York Z Millennium R410A Technical Guide

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246837-YTG-L-1012

TOMORROW’S UNIT TODAY
GENERAL
Introducing the YORK Millennium 25, 30, & 40 ton rooftop
line - units designed to provide peak performance and value
both today and for years to come. Millennium units are manufactured at an ISO 9001 registered facility, and each rooftop
is completely computer-run tested prior to shipment.

TECHNICAL GUIDE
MILLENNIUM®
SINGLE PACKAGE ROOFTOP UNITS

The Millennium is designed to be flexible enough to meet
your needs today and in the future. The true value of YORK’s
Millennium is that it can be designed to fit any need, from
cooling only, constant volume applications to variable air volume systems with variable frequency drive.

Z42, Z33 & Z34 (R-410A)

FEATURING:

25, 30, & 40 TON

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25, 30 & 40 Ton (Efficiencies up to 10.5 EER)

40 TON UNIT SHOWN

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Cooling Only Units
Cooling/Gas Heating Units (Natural) Standard or
Modulating Gas Heat available
Cooling/Electric Heating Units
Cooling/Hot Water Heating Units
Cooling/Steam Heating Units
Industry Leading Efficiency
Double Wall Construction
Stainless Steel or Powder Coated Drain Pan
Multiple Scroll Compressors
Multiple Refrigeration Circuits
Upgradable Motor Efficiency
Enhanced Filtration
Vibration Isolated Supply Fan and Motor
TechniCoated Evaporator and Condenser Coils
Single Power Point Connection
Easy Access Hinged Doors
Variable Air Volume
Constant Air Volume
Factory Installed Economizers/Disconnect/Convenience
Outlet/Control Options
Low Profile

MILLENNIUM SIMPLICITY® ELITE™ FEATURES:
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ISO 9001
Certified Quality

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Management System

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Single Button Programming and LED Display
Designed to operate on both constant and variable air
volume units
365-Day real time clock
Occupancy Schedule allowing two schedules per day
20 Holiday schedules with programmable schedules that
can start at any time, day or night
Patented Comfort Ventilation operation for economical
and comfortable economizer operation
Demand Ventilation option to assure proper IAQ conditions based on available space or return air CO2 levels
Temperature/Humidity programming algorithm allows
programmable limits to help control humidity in the space
Smoke Purge automatically ventilates the space when
smoke is detected
Monitors dirty filters and proves airflow before starting
heating or cooling
Intelligent recovery to bring the space temperature up to
occupied setting quicker and more economically

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

246837-YTG-L-1012

TABLE OF CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FEATURING: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
MILLENNIUM SIMPLICITY® ELITE™ FEATURES: . . . 1

OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FEATURES AND BENEFITS . . . . . . . . . . . . . . . . . . 5
INSTALLATION FEATURES . . . . . . . . . . . . . . . . . . . . . . 6
CONSTRUCTION FEATURES . . . . . . . . . . . . . . . . . . . . 7
LIST OF FEATURES AND BENEFITS . . . . . . . . . . . . . . . 8
STANDARD FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . 8
FACTORY INSTALLED OPTIONS . . . . . . . . . . . . . . . . . . 8
FIELD INSTALLED ACCESSORIES . . . . . . . . . . . . . . . . . 8

SELECTION PROCEDURE . . . . . . . . . . . . . . . . . . 11
SELECT UNIT: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SELECT FAN SPEED AND HORSEPOWER
REQUIREMENTS OF SUPPLY AIR FAN . . . . . . . . . . . 11
SIZE OVERCURRENT PROTECTION DEVICE AND
DETERMINE CIRCUIT AMPACITY . . . . . . . . . . . . . . . . 11

HOT WATER HEATING . . . . . . . . . . . . . . . . . . . . . 14
PHYSICAL DATA HOT WATER COIL - 1 ROW . . . . . . 14
PIPING CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . 14
PHYSICAL DATA HOT WATER COIL - 2 ROW . . . . . . 20

STEAM HEATING . . . . . . . . . . . . . . . . . . . . . . . . . . 25
PHYSICAL DATA STEAM COIL - 1 ROW . . . . . . . . . . . 25
PIPING CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . 25

SUPPLY AIR DRIVE ADJUSTMENT . . . . . . . . . . . 28
CFM, STATIC PRESSURE, AND POWER - ALTITUDE
AND TEMPERATURE CORRECTIONS . . . . . . . . . . . . 34

GUIDE SPECIFICATIONS - YORK
MILLENNIUM 25, 30, & 40 TON UNITS . . . . . . . . . 75
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
CONSTRUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
BASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
CASING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

SUPPLY AIR SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . 75
SUPPLY AIR FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
OPTIONAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

BEARINGS AND DRIVES . . . . . . . . . . . . . . . . . . . . . . . 75
AIR FILTERING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . 76
OPTIONAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

AIR INLET SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

ECONOMIZER (OPTIONAL) . . . . . . . . . . . . . . . . . . . . . .
RELIEF SYSTEM (OPTIONAL) . . . . . . . . . . . . . . . . . . . .
BAROMETRIC RELIEF (OPTIONAL) . . . . . . . . . . . . . . .
EXHAUST AIR FANS (OPTIONAL) . . . . . . . . . . . . . . . . .

76
76
76
76

ENERGY RECOVERY VENTILATION
(FIELD INSTALLED OPTION) . . . . . . . . . . . . . . . . . . . . 76
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

HEATING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
GAS-FIRED HEATING SECTION (OPTIONAL) . . . . . . .
ELECTRIC HEATING SECTION . . . . . . . . . . . . . . . . . . .
HOT WATER HEATING COIL . . . . . . . . . . . . . . . . . . . . .
STEAM HEATING COIL . . . . . . . . . . . . . . . . . . . . . . . . .

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REFRIGERATION SYSTEM . . . . . . . . . . . . . . . . . . . . . 77
EVAPORATOR COILS . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPRESSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONDENSER COILS . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONDENSER FANS AND MOTORS . . . . . . . . . . . . . . .
REFRIGERANT PIPING . . . . . . . . . . . . . . . . . . . . . . . . .
HOT GAS BYPASS (OPTIONAL ON CV; STANDARD
ON VAV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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78

CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR CONTROL . . . . . . . . . . . . . . . . . . . . . .
FAN CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EQUIPMENT CONTROL FEATURES . . . . . . . . . . . . . . .

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78
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79

COMFORT CONTROL FEATURES . . . . . . . . . . . . . . . 80
OPTIONAL SIMPLICITY®LINC GATEWAY . . . . . . . . . 81
OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

OPTIONAL CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . 81
YORK COMMERCIAL COMFORT SYSTEM (YCCS) . . . 81

AVAILABLE ACCESSORIES . . . . . . . . . . . . . . . . . . . . . 81
PARTIAL PERIMETER ROOF CURBS . . . . . . . . . . . . . . 81
BURGLAR BARS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
FIELD INSTALLED BAROMETRIC RELIEF . . . . . . . . . . 81
PROGRAMMABLE THERMOSTAT, WITH OR WITHOUT
REMOTE SENSOR (REQUIRED FOR CONSTANT
VOLUME UNITS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
REMOTE WALL MOUNTED TEMPERATURE
SENSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
DIRTY FILTER SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . 81
PROPANE CONVERSION KITS . . . . . . . . . . . . . . . . . . . 81
HIGH ALTITUDE CONVERSION KITS . . . . . . . . . . . . . . 81
ENERGY RECOVERY VENTILATORS . . . . . . . . . . . . . 81

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

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Johnson Controls Unitary Products

246837-YTG-L-1012

LIST OF FIGURES
Fig.#

Pg.#

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1

HOT WATER PIPING CROSS-SECTION . . . . . . . . . 15

20 STEAM COIL - 40 TON, 1 ROW . . . . . . . . . . . . . . . . 26

2

HOT WATER COIL - 25 & 30 TON, 1 ROW,
AT 10 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

21 ALTITUDE/TEMPERATURE CONVERSION
FACTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3

HOT WATER COIL - 25 & 30 TON, 1 ROW,
AT 20 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

22 FAN PERFORMANCE - 25 TON . . . . . . . . . . . . . . . . 37

4

HOT WATER COIL - 25 & 30 TON, 1 ROW,
AT 30 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

24 FAN PERFORMANCE - 40 TON . . . . . . . . . . . . . . . . 41

5

HOT WATER COIL - 25 & 30 TON, 1 ROW,
AT 40 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6

HOT WATER COIL - 40 TON, 1 ROW, AT 10 GPM . . 18

26 POWER EXHAUST - TWO FORWARD CURVED FANS
- 30 & 40 TONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

7

HOT WATER COIL - 40 TON, 1 ROW, AT 20 GPM . . 18

27 CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . . . . . 64

8

HOT WATER COIL - 40 TON, 1 ROW, AT 30 GPM . . 19

28 COMPONENT LOCATION . . . . . . . . . . . . . . . . . . . . 66

9

HOT WATER COIL - 40 TON, 1 ROW, AT 40 GPM . . 19

29 END RETURN, BOTTOM SUPPLY . . . . . . . . . . . . . . 67

10 HOT WATER COIL - 25 & 30 TON, 2 ROW,
AT 20 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

30 BOTTOM SUPPLY AND RETURN . . . . . . . . . . . . . . 68

11 HOT WATER COIL - 25 & 30 TON, 2 ROW,
AT 40 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

32 END RETURN, FRONT & REAR SUPPLY . . . . . . . . 70

23 FAN PERFORMANCE - 30 TON . . . . . . . . . . . . . . . . 39
25 POWER EXHAUST - ONE FORWARD CURVE FAN
- 25 TONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

31 BOTTOM RETURN, FRONT & REAR SUPPLY . . . . 69

12 HOT WATER COIL - 25 & 30 TON, 2 ROW,
AT 60 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

33 MILLENNIUM OVERHEAD VIEW . . . . . . . . . . . . . . . 71

13 HOT WATER COIL - 25 & 30 TON, 2 ROW,
AT 80 GPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

35 40 TON SIDE & CONDENSER END VIEW . . . . . . . . 71

14 HOT WATER COIL - 40 TON, 2 ROW, AT 20 GPM . . 23
15 HOT WATER COIL - 40 TON, 2 ROW, AT 40 GPM . . 23
16 HOT WATER COIL - 40 TON, 2 ROW, AT 60 GPM . . 24

34 MILLENNIUM MAJOR COMPONENT LAYOUT . . . . 71
36 MILLENNIUM CABINET DOOR CONFIGURATION . 72
37 CLEARANCES - HOOD/ECONOMIZER & MOTOR
DRIVE - SIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

17 HOT WATER COIL - 40 TON, 2 ROW, AT 80 GPM . . 24

38 CLEARANCES - HOOD/ECONOMIZER & MOTOR
DRIVE - FRONT & END . . . . . . . . . . . . . . . . . . . . . . . 73

18 STEAM PIPING CROSS SECTION . . . . . . . . . . . . . . 25

39 PARTIAL ROOF CURB MODEL 1RC0455P . . . . . . . 74

19 STEAM COIL - 25 & 30 TON, 1 ROW . . . . . . . . . . . . 26

Johnson Controls Unitary Products

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246837-YTG-L-1012

LIST OF TABLES
Tbl.#
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31

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Pg.#

GENERAL PHYSICAL DATA . . . . . . . . . . . . . . . . . . . 10
REFRIGERANT FACTORY CHARGE R-410A . . . . . 11
STANDARD GAS HEATING CAPACITIES . . . . . . . . 12
TEMPERATURE RISE . . . . . . . . . . . . . . . . . . . . . . . . 12
MINIMUM HEATING CFM . . . . . . . . . . . . . . . . . . . . . 12
MODULATING GAS HEATING CAPACITIES . . . . . . 12
MODULATING HEAT . . . . . . . . . . . . . . . . . . . . . . . . . 13
ELECTRIC HEATING CAPACITIES . . . . . . . . . . . . . . 13
WATER PRESSURE DROP (1 ROW,
25 & 30 TON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
STATIC RESISTANCE HOT WATER COIL
(25 & 30 TON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
HOT WATER COIL (1 ROW, 25 & 30 TON) . . . . . . . . 14
STATIC RESISTANCE HOT WATER COIL
(1 ROW, 40 TON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
HOT WATER COIL (1 ROW 40 TON) . . . . . . . . . . . . 15
WATER PRESSURE DROP (2 ROW,
25 & 30 TON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
STATIC RESISTANCE HOT WATER COIL
(25 & 30 TON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
HOT WATER COIL (2 ROW, 25 & 30 TON) . . . . . . . . 20
HOT WATER COIL (2 ROWS, 40 TON) . . . . . . . . . . . 20
STATIC RESISTANCE HOT WATER COIL
(40 TON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
WATER PRESSURE DROP (2 ROW, 40 TON) . . . . . 20
STEAM COIL (1 ROW, 25 & 30 TON) . . . . . . . . . . . . 25
STATIC RESISTANCE STEAM COIL
(1 ROW, 25 & 30 TON) . . . . . . . . . . . . . . . . . . . . . . . . 25
STEAM COIL (1 ROW, 40 TON) . . . . . . . . . . . . . . . . 25
STATIC RESISTANCE STEAM COIL
(1 ROW, 40 TON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
EXHAUST FAN DRIVE DATA . . . . . . . . . . . . . . . . . . 27
SUPPLY FAN MOTOR AND DRIVE DATA . . . . . . . . 27
25 TON DRIVE ADJUSTMENT . . . . . . . . . . . . . . . . . 29
30 TON DRIVE ADJUSTMENT . . . . . . . . . . . . . . . . . 29
40 TON DRIVE ADJUSTMENT . . . . . . . . . . . . . . . . . 29
DRIVE ADJUSTMENT FOR POWER EXHAUST
- 25 TON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
DRIVE ADJUSTMENT FOR POWER EXHAUST
- 30 & 40 TON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
COOLING PERFORMANCE - 25 TON R-410A . . . . . 31

Tbl.#
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Pg.#

COOLING PERFORMANCE - 30 TON R-410A . . . . . 32
COOLING PERFORMANCE - 40 TON R-410A . . . . . 33
ALTITUDE CORRECTION FACTORS . . . . . . . . . . . . 34
FAN PERFORMANCE - 25 TON, . . . . . . . . . . . . . . . 36
FAN PERFORMANCE - 30 TON , . . . . . . . . . . . . . . . 38
FAN PERFORMANCE - 40 TON, . . . . . . . . . . . . . . . . 40
COMPONENT STATIC RESISTANCE, . . . . . . . . . . 42
POWER EXHAUST - ONE FORWARD CURVED
FAN 25 TON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
POWER EXHAUST - TWO FORWARD CURVED FANS
- 30 & 40 TON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
ELECTRICAL DATA 25 TON BASIC UNIT R-410A . . 47
ELECTRICAL DATA 30 TON BASIC UNIT R-410A . . 47
ELECTRICAL DATA 40 TON BASIC UNIT R-410A . . 48
ELECTRICAL DATA 25 TON W/ELECTRIC HEAT
R-410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
ELECTRICAL DATA 30 TON W/ELECTRIC HEAT
R-410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
ELECTRICAL DATA 40 TON W/ELECTRIC HEAT
R-410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
ELECTRICAL DATA 25 TON W/POWER EXHAUST
R-410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
ELECTRICAL DATA 30 TON W/POWER EXHAUST
R-410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
ELECTRICAL DATA 40 TON W/POWER EXHAUST
R-410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
ELECTRICAL DATA 25 TON W/ELECTRIC HEAT AND
POWER EXHAUST R-410A . . . . . . . . . . . . . . . . . . . . 55
ELECTRICAL DATA 30 TON W/ELECTRIC HEAT AND
POWER EXHAUST R-410A . . . . . . . . . . . . . . . . . . . . 58
ELECTRICAL DATA 40 TON W/ELECTRIC HEAT AND
POWER EXHAUST R-410A . . . . . . . . . . . . . . . . . . . . 61
UNIT WEIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
SUPPLY FAN MOTOR VFD WEIGHTS . . . . . . . . . . . 64
EXHAUST FAN MOTOR VFD WEIGHTS . . . . . . . . . 64
UNIT CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . 64
UNIT CORNERWEIGHT . . . . . . . . . . . . . . . . . . . . . . 65
INDOOR SOUND POWER RATING . . . . . . . . . . . . . 65
ATTENUATION FACTORS . . . . . . . . . . . . . . . . . . . . 65
OUTDOOR SOUND POWER RATING . . . . . . . . . . . 66

Johnson Controls Unitary Products

246837-YTG-L-1012

YORK Millennium®

OVERVIEW
Introducing the YORK Millennium 25, 30, & 40 ton rooftop
line - units designed to provide peak performance and value
both today and for years to come. When we asked our customers what they wanted in a new rooftop line, we were careful to listen to both the needs of today and tomorrow. So,
you'll find that Millennium units not only help you solve
today's problems, but can handle tomorrow's difficulties as
well:
Industry Leading Efficiency - The Millennium with EER ratings of up to 10.5 make it the most frugal energy consumer in
its class. When it comes to lower operating costs, Millennium
simply outperforms the competition.
Double Wall Construction - Millennium units come double
walled as standard. The galvanized sheet metal liner provides the best protection against microbial growth, helping
both the unit and the indoor air stay fresh and clean. And, the
rigid sheet metal inner liner keeps the insulation completely
out of the air stream, eliminating concerns about fiberglass
particles.
Drain Pan Whisks Away Condensate - Condensate is frequently the source of microbial contamination. Competitive
drain pans often are insufficiently sloped to properly drain all
of the condensate, causing drain pan corrosion and bacterial
growth to begin almost immediately. The YORK design is
sloped at the 1/4” per foot recommended by the ASHRAE
62.1-2004 ventilation draft standard, with an extra large drain
connection capable of removing up to three gallons of condensate per minute. It is available in either powder coat
painted steel or stainless steel for long life.

Johnson Controls Unitary Products

Efficient, Durable Scroll Compressors - The Millennium
design uses industrial grade hermetic scroll compressors for
peak efficiency and low noise operation. The compressor
design is so durable that it can actually hold more liquid
charge without slugging than is present in each refrigerant
circuit at shipment, dramatically reducing the chances of ever
slugging a compressor with liquid charge.
Multiple Refrigeration Circuits for Greater Turndown - The
YORK Millennium unit has intertwined circuits giving the best
unloading capability in the industry. With more and more
designs requiring higher outside air quantities, the lower
capacity capability is an outstanding way to neutralize outside
air without over-conditioning the space on off-peak days.
And, Millennium's high quality balance-port thermal expansion valves are more effective at metering refrigerant flow in
part-load conditions, making Millennium a peak-performer
across a wide capacity range.

FEATURES AND BENEFITS
When it comes to flexibility, Millennium really shines. Our customers were clear about one thing - not all installations are
the same. Some have very simple needs, others are more
involved. The YORK Millennium serves both markets - and all
of those in between - extremely well. YORK engineers crafted
a design which is both uniquely flexible and competitive, giving you the best of both worlds. In addition to a competitive
base product, Millennium offers unparalleled flexibility.
Optional features include:
Variable Air Volume - YORK gives you the ability to vary air
volume by inlet guide vanes or variable frequency drive - the
choice is yours. All Millennium VAV units come standard with
hot gas bypass to give extended operation range.

5

246837-YTG-L-1012

Optional Head Pressure Control - For those applications
where mechanical cooling is required below 40°F, optional
low ambient operation allows compressor operation down to
0°F.
Easily Upgrade Motor Efficiency to Meet Tighter Codes Optional high efficiency motors help you make simple
upgrades to meet more demanding building and energy
codes.
Enhanced Filtration Options - Millennium gives designers the
flexibility to meet various IAQ requirements with a full range
of rigid and throwaway filters at different efficiency levels.
Vibration Isolation - The Millennium's neoprene mounts are
typically sufficient for most applications but when sound and
vibration transmission are a major concern, YORK offers 1"
and 2" isolation springs for even greater protection from supply air fan noise and vibration.
Corrosion Resistant Coils- Many industrial and seacoast
applications require enhanced protection from corrosive environments.
Optional TechniCoated Coated Condenser and Evaporator Coils - Many industrial and seacoast applications
require enhanced protection from corrosive environments. The special dipped phenolic coating process
provides a high level of protection for the exposed condenser coil.
Optional Copper-Copper Condenser and Evaporator
Coils - For corrosion resistance.
Variety of Exhaust Air Options - YORK Millennium offers a
wide variety of exhaust air options, including barometric
relief, non-modulating power exhaust, and modulating power
exhaust. And, because Millennium units use forward-curved
blowers for power exhaust fans, they can exhaust up to 100%
of the nominal supply air at much greater static pressure
loads than competitive units. Not available on end return.
NOTE: In most applications, the supply fan will keep the
return at negative pressure. A barometric relief will
function better when ducted to building space, not
the return.

point power connection; the convenience outlet remains
operational when the disconnect is open.
Heating Done Your Way - Millennium offers the choice of natural gas standard or modulating gas heat, electric resistance
heat, hot water heat, steam, or no heat at all. Very simply, the
choice is yours.

INSTALLATION FEATURES
With YORK Millennium, high performance doesn't mean high
complexity. YORK listened carefully to make sure that Millennium was as simple as possible, and service convenience
comes standard with each unit. From a single curb size to the
easy service access, you'll find that Millennium was designed
to be easy from start to finish.
Full Range of Air Flows and Static Pressures - The Millennium design gives a complete offering of supply air flows and
static pressure combinations to meet most every application
requirement.
Single Power Point Connection - Millennium units have a single gas and electric connection, minimizing time at the job
site. For further installation flexibility, power and gas connections may be brought up from the curb or through the side of
the unit.
Simple Controls - Millennium's controls system is easy to
understand and apply, and it doesn't lock you into proprietary
devices. A choice for YORK Millennium today does not limit
your choices tomorrow.
Rain Hoods Rotate Into Place - No bulky, field--installed rain
hoods here. Millennium rain hoods ship rotated inside the
unit. Once on the job, installer merely rotates the hood
upward and puts in a few screws - an easy one-person job.
Excellent Access for Service - Service access on Millennium
is a snap. Hinged and latched doors give access on both
sides of the unit to all major components. All doors have positive action slide latches for even greater ease of access. All
service fittings are conveniently located to minimize time and
effort.

Optional Factory Installed Economizers - Millennium units
offer economizers with Standard or Optional low leak dampers. Comparative enthalpy, single enthalpy and dry bulb control are available.
Optional Factory Installed Disconnect - A conveniently
located actuator handle in the front of the unit can disconnect
line power to the entire unit, eliminating the need for a field
provided disconnect. The handle may also be locked in either
position through the use of a standard padlock. Millennium's
single point power connection makes this option particularly
appealing. If desired, the disconnect may be ordered with a
115 volt, GFCI protected convenience outlet, including a factory wired transformer to power the outlet from the single

6

Johnson Controls Unitary Products

246837-YTG-L-1012

PITCHED ROOF
ANGLED CONDENSER
COILS

SOLID, CLASS II FAN CONSTRUCTION
INTERTWINED COIL

DOUBLE WALL CONSTRUCTION

LOW LEAK DAMPERS

HINGED, LATCHED
ACCESS DOORS

CONSTRUCTION FEATURES
YORK's Millennium rooftop line is built for the long haul, with
high end features and construction offered at a competitive
price. Millennium units are manufactured at an ISO 9001 registered facility, and each rooftop is completely computer-run
tested prior to shipment. Some of the valuable construction
features of the Millennium which are not found on competitive
units include:
Double Wall Construction - Each unit has both an exterior
and an interior wall, which make for a more rigid design with
panels and doors that are solid, not flimsy. The unit features a
fully framed construction for even greater stability.
Powder Paint - Industry leading 1000 salt spray hour paint
keeps the unit in great condition for years to come.

Extended flue connection - Each gas unit ships with a field
mounted external flue. The flue lifts all products of furnace
combustion far above the unit - eliminating the possibility of
corrosion in the furnace heat exchanger from recirculating
flue gases.
Protective Covering - Special polyurethane sleeves which
cover the distributor tubing keep distributor tubes from contacting each other and wearing out.
Built-in Hail Guard - Condenser coils angled at 30 degrees
from the vertical are inherently protected from damage due to
shipment, hail, etc.
Induced Draft Furnace - This design provides a positive
exhaust of all combustion products.

Low Profile - Millennium units stand only 64” above their
curb, minimizing potential aesthetic conflicts.

Johnson Controls Unitary Products

7

246837-YTG-L-1012

LIST OF FEATURES AND BENEFITS
Standard Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•

Efficiencies up to 10.5 EER
Double wall construction
Major components have hinged and latched access
doors
Industrial duty scroll compressors
Sturdy framed construction
Sloped stainless steel or powder coated drain pan
Four independent cooling circuits
Intertwined evaporator coil
Angled condenser coils for superior protection
Single power point connection
Through-the-curb or through-the-base utility connections
Simplicity® Elite™ controls
Powder paint tested to 1000 salt spray hours
Mechanical cooling from 40° F to 125° F
1-1/2” insulation
Sloped unit roof with drip lip
High and low refrigerant pressure protection
Polyurethane sleeves to protect small diameter tubing
Steel framing around blowers with deflection springs or
rubber isolators for low vibration
Fully factory packaged and run-tested
10 year gas heat exchanger warranty
One year compressor warranty
One year warranty on all parts

•
•

Field Installed Accessories
•

•

•

•

•

•

•

Factory Installed Options

•

•
•
•

•

•
•

•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•

8

Economizer with standard or low leak dampers
Retractable outside air hoods (economizer only)
Natural gas standard or modulating gas heat with reliable induced draft design
Electric heat in three sizes
Variable air volume using either inlet guide vanes, wired
for VFD (variable frequency drive), or factory installed
VFD.
3 position (Line/Drive/Test) bypass switch for either supply or exhaust VFDs.
1, 2” blower isolator springs or rubber isolators
A variety of blower horsepower offerings
High efficiency motors
High efficiency filtration
Barometric relief
Power exhaust of 100% of nominal air flow
Technicoat corrosive resistant coating on condenser and
evaporator coils
Copper-Copper corrosive resistant condenser and evaporator coils
0°F low ambient operation of mechanical cooling
Hot gas bypass (standard on all VAV units)
Single unit disconnect
Convenience outlet and transformer factory wired
Hot water heating coil with one or two rows
One row steam heating coil
Synthesis controls

Simplicity®LINC Gateway
York Commercial Comfort System (YCCS)

•

7-Day Programmable Wall Thermostat-Can be used with
or without remote sensors. Can be used on CV and VAV
units when wall thermostat is required for scheduling and
temperature control.
Energy Recovery Ventilators- 8,000 and 13,000 CFM
models available. Great for applications involving 30% or
more of required outdoor air where energy use and comfort must be optimized.
Wall Sensors- Remote space sensors used with CV or
VAV unit for unit control via the Simplicity® Elite™ control. Standard sensor, sensor with override and sensor
with override and + 5 degree adjustment.
Simplicity® Transporter- Device allows internet control
and monitoring of HVAC units equipped with Simplicity®
Elite™ controls.
Phase Monitor Kit- Includes control and wiring to monitor
and protect the unit from phase reversal, phase loss and
low voltage.
Burglar Bars- Prevent any type of building entry through
the RTU unit with bars that block the return and supply
openings on downflow applications.
Partial perimeter roofcurb- Designed for application on
all 25-40 ton Millennium rooftop units. 14" height.
Barometric Relief Kit- Provides barometric relief hood
and dampers for duct mounting on units requiring end
return.
Natural Gas to Propane Conversion Kits- Contains orifices and gas valves parts to convert from Natural Gas to
Propane. (Not available on modulating heat.)
High Altitude Kit- Natural gas kit designed for natural gas
heating applications between 2,000 and 6,000 feet
above sea level.

Johnson Controls Unitary Products

1

Johnson Controls Unitary Products

3

2

3
6

4
7

N = B, F, J
O = B, G, I
P = B, G, J
Q = C, F, I
R = C, F, J
S = C, G, I
T = C, G, J
U = D, E, H

C = A, F, J
D = A, G, J
E = A, E, H
F = A, E, I
G = A, E, J
H = A, F, H
I = D, F, I
J = D, F, J

7 = C, E, J
8 = C, F, H
9 = D, G, H

2 = B, E, J
3 = B, F, H
4 = C, E, H
6 = C, E, I

Z = B, E, I

Y = B, E, H

X = D, F, H

W = D, E, J

9

10

FILTERS

A

A = STAND.
B = 65%
C = 95%
D = 2" HI-EFF

0 (ZERO) NO HEAT
1 = 1 ROW
2 = 2 ROW
1 = 1 ROW

3 = 267 MBH
5 = 533 MBH
8 = 800 MBH (40T ONLY)
4 = 40 KW
8 = 80 KW
1 = 108 KW (1)

ID MOTOR (See note 2)
5 = 10 HI-EFF
6 = 15 HI-EFF
7 = 20 HI-EFF
8 = 25 HI-EFF (Except 25T)
0 = 7.5 HI-EFF (25T Only)

D
1

CONTROL

14

E = SYNTHESYS CONTROL,
DISC., 110V OUTLET
F = SYNTHESYS, DISC.

D = SYNTHESYS CONTROL

13

I = 1,3,5,8

D = 2,4,5,7

A = 1,3,5,7
B = 2,3,5,7
C = 1,4,5,7
S = 1,4,9,7
T = 2,4,9,7

L = 2,4,5,8
Q = 1,3,9,7
R = 2,3,9,7

K = 1,4,5,8

7 = 1,4,9,8
9 = Non-Std
Config

2 = 2,4,9,8

Y = 1,3,9,8
Z = 2,3,9,8

REFRIGERATION

air foil applications.

Contact engineering for

6. Air foil fan available on cooling only.

available in end return configuration.

5. Power exhaust and barometric relief not

4. VAV ID Blower requires hot gas bypass .

specified, it will also be cust supplied.

Piping

(See note 4)

5 = STANDARD
9 = STD W/TECHNICOAT

Evaporator Coil

3 = STANDARD 4 = HOT GAS BYPASS

L = 2, 7
M = 2, 8
N = NONE
O = 1, 9
P = 1, 0
Q = 2, 9
R = 2, 0

C = 1, 4
D = 1, 5
E = 1, 6
F = 1, 7
G = 1, 8
H = 2, 3
I = 2, 4

3 = 13,000 CFM ERV
9 = Non Std Config

Z = A, 0
2 = 8,000 CFM ERV

Y = A, 9

U = A, 5
V = A, 6
W = A, 7
X = A, 8

S = A, 3
T = A, 4

0 = 5 HP HI-EFF (25T Only)
6 = 7.5 HP HI-EFF

Motor

3

8 = 15 HP HI-EFF (Except 25 Ton)

7 = 10 HP HI-EFF

1 = MODULATING DAMPERS A = VFD MODULATING
MOTOR
2 = NON-MOD. (ON/OFF)

Power Exhaust

J = 2, 5
K = 2, 6

A = BARO
B = 1, 3

EXHAUST (See note 5)

H = DRY BULB Std type

E = NONE
F = DUAL ENTH Std type
G = SINGLE ENTH Std type

D = MANUAL Low leak (Not w/PE)

A = DUAL ENTH Low leak type
B, = SINGLE ENTH Low leak type
C, = DRY BULB ENTH Low leak type

ECONOMIZER

110V OUTLET

T = YCCS-VAV CONTROL W/DISC.,

S = YCCS-VAV CONTROL

110V OUTLET

R = YCCS ZONING CONTROL W/DISC.,

Q = YCCS ZONING CONTROL

P = YCCS CONTROL W/DISC., 110V OUTLET

N = YCCS CONTROL

DISC, NO 110V OUTLET

M = SIMPLICITY CONTROL W/SIMPLICITY®LINC

DISC, 110V OUTLET

L = SIMPLICITY CONTROL W/SIMPLICITY®LINC

K = SIMPLICITY CONTROL W/SIMPLICITY®LINC

field installed. If VFD Exh is also

3. (VFD-CUSTOMER) = Wired for VFD
only; VFD will be customer supplied and

2

J = SIMPLICITY CONTROL,
DISC, NO 110V OUTLET

7 = YES
8 = NO

i = 1 inch deflection spring
j = 2 inch deflection spring

A

in Canadian Energy Efficiency Regulations.

minimum efficiency regulations mandated

1 = STANDARD
2 = TECHNICOAT

HEAT CAPACITY

12

I = SIMPLICITY CONTROL, DISC
110V OUTLET

C

H = SIMPLICITY CONTROL

11

2. Standard efficiency motor meets Canadian

A

1. 108KW not available with 208/230V.

NOTES:

1

h = Neoprene

8

Head Press. Ctrl.

B

Condenser Coil

e = FORWARD CURVE FAN Class I
f = FORWARD CURVE FAN Class II
g = AIR FOIL FAN [always Class II]

Fan (See note 6)

a = CV
b = VAV (VFD-FACTORY INSTALLED)
c = BYPASS FACTORY VFD
d = VAV (VFD-CUSTOMER) (3)

Air Volume

V = D, E, I

M = B, F, I

B = A, G, I

K = D, G, I

L = D, G, J

ID BLOWER (See note 4)

7 = 380/415-50
(30T/40T)

2 = 208/230-60
3 = 380-60
4 = 460-60
5 = 575-60

VOLTAGE

3

A = A, F, I

5

Blower Mount

N

X = STEAM COIL

4

J = 2,3,5,8

A

Class I blower is limited to 15HP in 25/30Ton
Class I blower is limited to 20HP in 40Ton
Class II blowers are not HP limited

3

HEAT EXCHANGER
E = ELECTRIC HEAT
C = COOLING ONLY
W = HOT WATER COIL

D = NATURAL GAS, MODULATING HEAT*
T = NATURAL GAS, MODULATING HEAT, SS *

N = NATURAL GAS
S = NATURAL GAS, SS HEAT EXCHANGER

HEAT SOURCE

GAS HEAT - BOTTOM OR REAR SUPPLY ONLY

BOTTOM SUPPLY ONLY

HOT WATER, STEAM & ELECTRIC HEAT -

FRONT SUPPLY - COOLING ONLY

D = 3,2
E = 3,4
F = 3,5

4 - REAR SUPPLY
5 - FRONT SUPPLY

2 - BOTTOM SUPPLY
3 - END RETURN (5)

B = 1,4

C = 1,5

1 - BOTTOM RETURN

A = 1,2

CONFIGURATION

2 = 25 TON
3 = 30 TON
4 = 40 TON

BASIC UNIT

GENERATION

Z = York Brand R-410A

PACKAGE

Z

* Drain Pan - stainless steel

* Drain Pan - powder coat

* Premium Cabinet (6 doors)
* Standard Cabinet (4 doors)

Cu/Cu Condenser Coil
Cu/Cu Evaporator Coil
Exhaust VFD (Customer)
(see note 3)

ADDITIONAL
CONFIGURATION
OPTIONS

4

246837-YTG-L-1012

NOMENCLATURE

9

246837-YTG-L-1012

TABLE 1: GENERAL PHYSICAL DATA
UNIT SIZE
UNIT EER / IPLV
(STANDARD CAPACITY EVAPORATOR)
NUMBER/SIZE
TYPE
UNIT CAPACITY STEPS
NUMBER / TYPE
DIAMETER X WIDTH (INCHES)
HP RANGE
CFM RANGE (FULL LOAD)
ESP RANGE
NUMBER/SIZE/TYPE
HP RANGE (SINGLE MOTOR)
CFM
SIZE (SQ. FT.)
ROWS/FPI
SIZE (SQ. FT.)
ROWS/FPI
QUANTITY / DIAMETER (INCHES)
NOMINAL CFM
MOTOR HP
KW RANGE
40 KW / CAPACITY STEPS (CV/VAV)
80 KW / CAPACITY STEPS (CV/VAV)

108 KW / CAPACITY STEPS (CV/VAV)
UNIT SIZE
267 MBH CAPACITY STEPS (CV/VAV)
533 MBH CAPACITY STEPS (CV/VAV)
800 MBH CAPACITY STEPS (CV/VAV)
267 MBH “MODULATING” CAPACITY STEPS (CV ONLY)
533 MBH “MODULATING” CAPACITY STEPS (CV ONLY)
800 MBH “MODULATING” CAPACITY STEPS (CV ONLY)
SIZE (INCHES)
CAPACITY

25 TON
10.5 / 12.3
COMPRESSOR DATA
4 x 5.7Ton
Scroll
25%, 50%, 75%, 100%
INDOOR FAN AND DRIVE
1 / FC
22 x20
7.5 - 20
6,000 - 12,500
0.2” - 4.0”
EXHAUST FAN
1/FC
5 - 10
3,000 - 9,000
EVAPORATOR COIL
26.0
3 / 16
CONDENSER COIL
65
2/16
CONDENSER FANS
4 / 24
6,800
1.0
ELECTRIC HEAT
40 - 108
1
2/1
3 / 12
NATURAL GAS HEAT
25 TON
1/1
2/1
6/1
12 / 2
HOT WATER COIL
22.5” x 65”
25 Ton
STEAM COIL

SIZE (INCHES)
TYPE
NUMBER / SIZE
FACE AREA (SQ. FT.)
NUMBER / SIZE
FACE AREA (SQ. FT.)
NUMBER / SIZE
FACE AREA (SQ. FT.)
NUMBER / SIZE
FACE AREA (SQ. FT.)
1.
2.

10

30 TON

40 TON

1

10.1 / 11.0

10.5 / 11.2

4 x 7 Ton
Scroll
25%, 50%, 75%, 100%

4 x 8.6 Ton
Scroll
25%, 50%, 75%, 100%

1 / FC
22 x 20
10 - 25
6,000 - 15,000
0.2" - 4.0”

1 / FC
25 x 22
10 - 25
8,000 - 18,000
0.2" - 4.0"

2/FC
7.5 - 15
4,000 - 15,000

2/FC
7.5 - 15
4,000 - 18,000

26.0
4 / 16

30.4
4 / 16

78
2 /16

104
2 /16

4 / 24
7,200
1.5

4 / 30
9,600
1.5

40 - 108
1
2/1

40 - 108
1
2/1

3 / 12

3 / 12

30 TON
1/1
2/1

40 TON
1/1
2/1

6/1
12 / 2
-

3 / 12
6/1
12 / 2
17 / 3

22.5" X 65”
30 Ton

22.5" X 65”
40 Ton

21" X 65"
Steam Coil
FILTERS 2" TA
4 / 16 x 25 & 6 / 20 x 25
4 / 16 x 25 & 6 / 20 x 25
30.4
30.4
FILTERS 2" PLEATED, 30%
4 / 16 x 25 & 6 / 20 x 25
4 / 16 x 25 & 6 / 20 x 25
30.4
30.4
FILTERS 65% RIGID W/ 2” TA PREFILTERS
4 / 16 x 25 & 6 / 20 x 25
4 /16 x 25 & 6 / 20 x 25
30.4
30.4
FILTERS 95% RIGID W/ 2” TA PREFILTERS
4 ea. 16 x 25 / 6 ea. 20 x 25
4 ea. 16 x 25 / 6 ea. 20 x 25
30.4
30.4

4 / 16 x 25 & 6 / 20 x 25
30.4
4 / 16 x 25 & 6 / 20 x 25
30.4
4 / 16 x 25 & 6 / 20 x 25
30.4
4 ea. 16 x 25 / 6 ea. 20 x 25
30.4

Cooling Only Unit Efficiency/ Gas Electric Unit Efficiency is 10.0
Unit Control Board with 3 heating outputs only, all other Unit Control Boards 2 / 1.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 2: REFRIGERANT FACTORY CHARGE R-410A
UNIT (TONS)

MODEL

25
25
30
30
40
40

wo/HGBP
w/HGBP
wo/HGBP
w/HGBP
wo/HGBP
w/HGBP

CHARGE
SYSTEM #1
13lb 8oz
14lb
16lb
16lb 8oz
17lb 10oz
18lb 2oz

SYSTEM #2
12lb 8oz
12lb 8oz
16lb 8oz
17lb
17lb 10oz
18lb 2oz

SELECTION PROCEDURE

c.

GIVEN:
Required Cooling Capacity

460,000 Btuh

Required Sensible Cooling

390,000 Btuh

Required Heating (Gas)

320,000 Btuh

Entering Air on Evaporator

83° F DB/ 67° F WB

Outside Design Temperature
Supply Fan CFM

95° F

1.25 IWG

Electrical Supply Voltage

460-3-60

SYSTEM #4
12lb 8oz
12lb 8oz
18lb 4oz
18lb 12oz
19lb 13oz
20lb 5oz

Ensure that it is offered in the Z34 unit. Read option
model as N5.

From the basic nomenclature, the model now becomes
Z34AN5. Add voltage code of “4” for 460-3-60. Nomenclature becomes Z34AN44.

SELECT FAN SPEED AND HORSEPOWER
REQUIREMENTS OF SUPPLY AIR FAN
1.

13,000 CFM

External Static Pressure

SYSTEM #3
12lb 8oz
12lb 8oz
14lb
14lb 8oz
19lb 13oz
20lb 5oz

Find Supply Air Performance Tables for the 40 ton unit.
a.

Check footnotes and make necessary additions or
deductions to static resistance of ductwork:

Ductwork static resistance

1.25 IWG

Economizer static resistance addition (interpolate) =.25
IWG + Gas Heat (High) = 0.5 IWG

Economizer Required
2” Throw Away Filters

Total Static Resistance

Constant Volume

b.

SELECT UNIT:

2.0 IWG

Enter Fan Performance Table at 13,000 CFM and
2.0 IWG static pressure:
RPM = 733

1.

Determine nominal tons:
460,000 / 12,000 = 38.33 Tons

BHP = 11.8
NOTE: Either Class I or Class II blower could be used.

Thus, a nominal 40 ton unit is selected.
2.

a.

Locate the table for the 40 ton evaporator coil with
95° F air on the condenser.

b.

Enter table at 13,000 CFM and 67°F WB air on
evaporator

c.

Trace to 83° F Entering Dry Bulb column.

d.

Read 493 MBH total capacity and 403 MBH sensible capacity.

The 40 ton unit will meet the cooling requirements. From
the nomenclature, the unit will be a Z34. Choose the
appropriate configuration for the next digit. Assuming
bottom return and supply, the fourth digit would be an
“A,” making the model Z34A.
3.

c.

Reference Cooling Capacity Table for a 40 ton unit.

SIZE OVERCURRENT PROTECTION DEVICE AND
DETERMINE CIRCUIT AMPACITY
1.

Find electrical tables for the basic 40 ton unit.
a.

Enter table for 460-3-60 voltage.

b.

Find 15 hp in the Supply Air Fan column.

c.

Trace to Minimum Circuit Ampacity column - read
105.

d.

Trace to Max. Fuse/Breaker Size column - read 125
amps.

e.

Size wire and overprotection device accordingly.

f.

Check all footnotes.

Find Gas Heating Capacity Table.
a.

Trace down Output column.

b.

Find output which exceeds 320,000 Btuh requirement. The N5 option gives 426 MBH output.

Johnson Controls Unitary Products

Enter the Fan Motor Drive Tables. Selecting a 15 hp
motor allows (service factor of 1.5) for a maximum
operating BHP greater than the 11.8 BHP requirement.

11

246837-YTG-L-1012

TABLE 3: STANDARD GAS HEATING CAPACITIES
INPUT CAPACITY (MBH)1

GAS HEAT
OPTION

AVAILABLE ON
MODELS

1ST STAGE

TOTAL

N3
N5
N8

Z42/Z33/Z34
Z42/Z33/Z34
Z34 ONLY

267
267
2674

267
533
800

1.

GAS RATE, CU. FT./HR.3

OUTPUT
CAPACITY
(MBH)2
213
426
638

1ST STAGE

TOTAL

247
247
247

247
495
742

Heating capacity is only staged on CV models. VAV models use only one stage at full capacity.
Blower motor heat not included.
Based on a heat content of 1075 Btu/Ft.3

2.
3.

4.

Unit Control Board with 3 heating outputs only. For all other Unit Control Boards the 1st Stage is 533 MBH.

TABLE 4: TEMPERATURE RISE
TON

25
30
40

TABLE 5: MINIMUM HEATING CFM

MODULES

1
5-35
5-35
5-30

2
25-55
20-50
10-45

3
25-55

TON

25
30
40

MODULES

1
5,644
5,644
6,584

2
7,183
7,901
8,779

3
13,169

TABLE 6: MODULATING GAS HEATING CAPACITIES
GAS HEAT OPTION

AVAILABLE ON
MODELS

D32
D52
D82

Z42/Z33/Z34
Z42/Z33/Z34
Z34 ONLY

1.
2.

12

INPUT CAPACITY (MBH)
MAXIMUM
MINIMUM
69
267
69
533
69
800

STEPS
6
12
17

OUTPUT CAPACITY
(MBH)1
213
426
638

GAS RATE, CU. FT./HR.
MINIMUM
MAXIMUM
64
247
64
495
64
744

Output Capacity at Full Fire.
Modulating Gas Heat available on CV models only.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 7: MODULATING HEAT
GAS HEAT OPTION

D3
(Turn down ratio
3.8 to 1)

D5
(Turn down ratio
7.7 to 1)

D8
(Turn down ratio
11.5 to 1)

STAGES OF GAS CONTROL (% OF FULL HEAT OUTPUT)
AVAILABLE ON MODELS
STEP
INPUT
OUTPUT
1
69,333
55,466
2
106,666
85,333
3
165,332
132,266
Z42, Z33, Z34
4
202,665
162,132
5
229,332
183,466
6
266,666
213,333
1
69,333
55,466
2
106,666
85,333
3
165,332
132,266
4
202,665
162,132
5
229,332
183,466
6
266,666
213,333
Z42, Z33, Z34
7
325,331
260,265
8
362,664
290,132
9
389,331
311,465
10
426,664
341,331
11
495,997
396,798
12
533,330
426,664
1
69,333
55,466
2
106,666
85,333
3
165,332
132,266
4
202,665
162,132
5
229,332
183,466
6
266,666
213,333
7
325,331
260,265
8
362,664
290,132
Z34 Only
9
389,331
311,465
10
426,664
341,331
11
495,997
396,798
12
533,330
426,664
13
586,663
469,330
14
655,996
524,797
15
693,329
554,663
16
762,662
610,130
17
799,995
639,996

% OF TOTAL OUTPUT
26%
40%
62%
76%
86%
100%
13%
20%
31%
38%
43%
50%
61%
68%
73%
80%
93%
100%
9%
13%
21%
25%
29%
33%
41%
45%
49%
53%
62%
67%
73%
82%
87%
95%
100%

TABLE 8: ELECTRIC HEATING CAPACITIES
ELECTRIC
HEAT OPTION

1.
2.
3.
4.

AVAILABLE ON
MODELS

RATED
VOLTAGE

NOMINAL KW

NOMINAL
MBH1

MBH AND KW PER STAGE2
STAGE 1

STAGE 2

KW

MBH

KW

MBH

E4

Z42, Z33, Z34

2403/4804/
575

40

137

40

137

0

0

E8

Z42, Z33, Z34

2402/4803/
575

80

273

40

137

40

137

E1

Z42, Z33, Z34
(460 & 575
volt only)

4803/575

108

369

72

246

36

123

Supply air fan motor heat not included.
Heating capacity is only staged on CV models. VAV models use only one stage at full capacity.
For 208 volts, multiply kW and MBH values by .751. For 230 volts, multiply kW and MBH values by .918
For 460 volts, multiply kW and MBH values by .918.

Johnson Controls Unitary Products

13

246837-YTG-L-1012

HOT WATER HEATING1
The YORK Millennium Rooftop units (30 - 40 Ton sizes) can
be furnished with a YORK hot water coil as the source of heat
(Bottom Supply Only). A one or two row coil will be factory
installed in the heating section downstream of the supply air
fan and just above the supply air opening in the bottom of the
unit.
The hot water control valve will not be provided. The installer
will need to field supply a water valve. The installer must also
connect the hot water piping, and valve wiring at the job site
for the hot water heat section to be operational.

DO NOT use tin based solder. Brazing with tin
based solder could cause equipment damage or
possible injury to OCCUPANTS of the structure
that is being conditioned.

TABLE 11: HOT WATER COIL (1 ROW, 25 & 30
TON)1
GPM

For all hot water coils the entering water temperature should
not exceed 200°F.
10

PHYSICAL DATA HOT WATER COIL - 1 ROW
Coil Casing . . . . . . . . . . . . . . . . . . . . Galvanized Steel
Coil Construction. . . . . . . . . . . . . . . . Al Fin / Cu. Tube
Rows Deep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Fin Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . .006”
Tube Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .016”
Tubes / Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Fins Per Inch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Tubes High . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.50”
Tube Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65”

20

30

Face Area . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.16ft.2
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71lbs.
Operating Weight . . . . . . . . . . . . . . . . . . . . . . . .83lbs.

40

1.

TABLE 9: WATER PRESSURE DROP (1 ROW, 25 &
30 TON)
GPM
WATER PRESSURE DROP

10
0.9

20
3.0

30
6.0

40
10.0

TABLE 10: STATIC RESISTANCE HOT WATER COIL
(25 & 30 TON)
CFM
AIR PRESSURE DROP 1 ROW
AIR PRESSURE DROP 2 ROW

6000
0.07
0.14

8000
0.11
0.23

10000
0.16
0.33

15000
0.32
0.65

CFM
6000
8000
10000
12000
15000
6000
8000
10000
12000
15000
6000
8000
10000
12000
15000
6000
8000
10000
12000
15000

CAPACITY (MBH) AT ENTERING WATER
TEMPERATURE
140 °F
160 °F
180 °F
200 °F
91.4
115.3
139.3
163.6
102
128.8
155.8
182.9
110.4
139.5
168.8
198.4
117.3
148.4
179.6
211.2
125.9
159.2
192.9
226.9
103
129.4
156
182.7
116.8
147
177.2
207.7
128.2
161.3
194.7
228.2
137.8
173.6
209.5
245.6
150
189
228.2
267.8
107.6
135
162.5
190.1
122.8
154.3
185.8
217.5
135.5
170.3
205.1
240.2
146.4
184
221.8
259.7
160.3
201.6
243
284.8
110.1
138
166
194.1
126.1
158.2
190.5
222.8
139.6
175.2
210.9
246.8
151.2
189.8
228.5
267.5
166.1
208.6
251.3
294.1

Based on 60°F entering air temperature, 2.00” maximum pressure drop across the hot water coil.

PIPING CONNECTIONS
The hot water piping must enter the unit through the floor of
the heat section compartment. The access doors to the compartment are gasketed so the compartment can be sealed.
However, as added protection for water leakage into the
space, the piping access holes should be sealed with a heat
resistant mastic (see the following illustration for approximate
location of the compartment and piping connections.

NOTE: Water pressure drop numbers are based on 60°F
entering air temperature, 2.00” maximum air pressure drop across the hot water coil(s). AHRI certified
ratings at other conditions are available upon
request. Hot water coils are approved for use with
glycol (rates available upon request).

1. Hot water, steam or electric heat is not available for
front or rear supply.

14

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 13: HOT WATER COIL (1 ROW 40 TON)1
(1 OR 2 ROW)

GPM
CONDENSING
SECTION

HOT WATER
COIL
26"

INLET (2")
OUTLET (2")

10

OUTSIDE OF
BASE RAIL

15.8"
11.88"
8.38"

2.25"

2.55"
88.75"

HEAT SECTION
COMPARTMENT

FIGURE 1 -

20

CL

HOT WATER PIPING CROSSSECTION
30

TABLE 12: STATIC RESISTANCE HOT WATER COIL
(1 ROW, 40 TON)
CFM
AIR PRESSURE DROP 1 ROW
AIR PRESSURE DROP 2 ROW

8000
0.11
0.23

11000
0.19
0.39

14000
0.29
0.58

20000
0.52
1.06

40

1.

Johnson Controls Unitary Products

CFM
8000
11000
14000
17000
20000
8000
11000
14000
17000
20000
8000
11000
14000
17000
20000
8000
11000
14000
17000
20000

CAPACITY (MBH) AT ENTERING WATER
TEMPERATURE
140 °F
160 °F
180 °F
200 °F
102
128.8
155.8
182.9
114
144.1
174.4
205.1
123.2
155.9
188.8
222.1
130.6
165.4
200.4
235.8
136.8
173.3
210.1
247.3
116.8
147
177.2
207.7
133.2
167.7
202.3
237.2
146.2
184.2
222.4
260.8
157
197.9
239
280.5
166.2
209.6
253.2
297.3
122.8
154.3
185.8
217.5
141.2
177.4
213.8
250.3
155.9
196.1
236.4
276.9
168.3
211.8
255.4
299.3
179.1
225.3
271.8
318.6
126.1
158.2
190.5
222.8
145.6
182.7
220
257.5
161.4
202.6
244.1
285.8
174.7
219.5
264.5
309.7
186.3
234.2
282.3
330.6

Based on 60°F entering air temperature, 2.00” maximum pressure drop across the hot water coil.

15

246837-YTG-L-1012

FIGURE 2 -

HOT WATER COIL - 25 & 30 TON, 1 ROW, AT 10 GPM

FIGURE 3 -

HOT WATER COIL - 25 & 30 TON, 1 ROW, AT 20 GPM

16

Johnson Controls Unitary Products

246837-YTG-L-1012

FIGURE 4 -

HOT WATER COIL - 25 & 30 TON, 1 ROW, AT 30 GPM

FIGURE 5 -

HOT WATER COIL - 25 & 30 TON, 1 ROW, AT 40 GPM

Johnson Controls Unitary Products

17

246837-YTG-L-1012

FIGURE 6 -

HOT WATER COIL - 40 TON, 1 ROW, AT 10 GPM

FIGURE 7 -

HOT WATER COIL - 40 TON, 1 ROW, AT 20 GPM

18

Johnson Controls Unitary Products

246837-YTG-L-1012

FIGURE 8 -

HOT WATER COIL - 40 TON, 1 ROW, AT 30 GPM

FIGURE 9 -

HOT WATER COIL - 40 TON, 1 ROW, AT 40 GPM

Johnson Controls Unitary Products

19

246837-YTG-L-1012

PHYSICAL DATA HOT WATER COIL - 2 ROW

TABLE 16: HOT WATER COIL (2 ROW, 25 & 30
TON)1(CONT.)

Coil Casing . . . . . . . . . . . . . . . . . . . . Galvanized Steel
GPM

Coil Construction. . . . . . . . . . . . . . . . Al Fin / Cu. Tube

6000
8000
10000
12000
15000
6000
8000
10000
12000
15000

Rows Deep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
60

Fin Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . .006”
Tube Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .016”
Tubes / Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

80

Fins Per Inch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Tubes High . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.50”

1.

Tube Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65”

CFM

CAPACITY (MBH) AT ENTERING WATER TEMPERATURE
140 °F
160 °F
180 °F
200 °F
206.1
258.7
311.4
364.2
243.6
305.9
368.4
431.1
275.3
345.9
416.8
488.0
302.9
380.7
458.9
537.6
338.4
425.7
513.4
601.7
210.5
263.9
317.4
371.1
249.8
313.3
377.1
441.1
283.3
355.6
428.2
501.0
312.7
392.7
473.0
553.6
351.0
440.9
531.3
622.1

Based on 60°F entering air temperature, 2.00” maximum pressure drop across the hot water coil.

Face Area . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.16 ft.2

TABLE 17: HOT WATER COIL (2 ROWS, 40 TON)1

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90 lbs
GPM

Operating Weight . . . . . . . . . . . . . . . . . . . . . . . 110 lbs

TABLE 14: WATER PRESSURE DROP (2 ROW, 25 &
30 TON)
20
GPM
WATER

20

40

60

80

PRESSURE
DROP

0.9

3.0

6.0

10.0

TABLE 15: STATIC RESISTANCE HOT WATER COIL
(25 & 30 TON)
CFM
AIR PRESSURE DROP
1 ROW
AIR PRESSURE DROP
2 ROW

6000

8000

10000

15000

0.07

0.11

0.16

0.32

0.14

0.23

0.33

0.65

NOTE: Water pressure drop numbers are based on 60°F
entering air temperature, 2.00” maximum air pressure drop across the hot water coil(s). AHRI certified
ratings at other conditions are available upon
request. Hot water coils are approved for use with
glycol (rates available upon request.)

TABLE 16: HOT WATER COIL (2 ROW, 25 & 30
TON)1
GPM

20

40

20

CFM
6000
8000
10000
12000
15000
6000
8000
10000
12000
15000

CAPACITY (MBH) AT ENTERING WATER TEMPERATURE
140 °F
160 °F
180 °F
200 °F
177.5
223.8
270.4
317.3
203.8
257.2
311.1
365.5
224.8
284.1
343.9
404.2
242.2
306.4
371.1
436.4
263.6
333.8
404.6
476.1
198.1
248.9
300.0
351.3
232.2
292.0
352.2
412.7
260.7
328.1
395.9
464.1
285.0
359.0
433.4
508.3
316.0
398.4
481.3
564.8

40

60

80

1.

CFM
8000
11000
14000
17000
20000
8000
11000
14000
17000
20000
8000
11000
14000
17000
20000
8000
11000
14000
17000
20000

CAPACITY (MBH) AT ENTERING WATER
TEMPERATURE
140 °F
160 °F
180 °F
200 °F
203.8
257.2
311.1
365.5
233.9
295.7
358.1
421.0
257.0
325.3
394.2
463.8
275.5
349.0
423.3
498.3
290.9
368.7
447.4
526.9
232.2
292.0
352.2
412.7
273.3
344.1
415.3
487.0
306.3
386.0
466.3
547.1
333.9
421.1
508.9
597.3
357.5
451.1
545.4
640.5
243.6
305.9
368.4
431.1
289.5
363.9
438.5
513.6
327.2
411.5
496.3
581.5
359.2
452.0
545.3
639.2
386.9
487.1
587.9
689.4
249.8
313.3
377.1
441.1
298.5
374.7
451.2
528.1
338.9
425.7
512.8
600.5
373.4
469.3
565.6
662.5
403.6
507.5
611.8
716.8

Based on 60°F entering air temperature, 2.00” maximum air
pressure drop across the hot water coil.
AHRI certified ratings at other conditions available upon
request.
Hot water coils are approved for use with glycol (ratings available upon request).

TABLE 18: STATIC RESISTANCE HOT WATER
COIL (40 TON)
CFM
AIR PRESSURE DROP 1 ROW
AIR PRESSURE DROP 2 ROW

8000
0.11
0.23

11000
0.19
0.39

14000
0.29
0.58

20000
0.52
1.06

TABLE 19: WATER PRESSURE DROP (2 ROW, 40
TON)
GPM
WATER PRESSURE DROP

20
0.9

40
3.0

60
6.0

80
10.0

Johnson Controls Unitary Products

246837-YTG-L-1012

FIGURE 10 - HOT WATER COIL - 25 & 30 TON, 2 ROW, AT 20 GPM

FIGURE 11 - HOT WATER COIL - 25 & 30 TON, 2 ROW, AT 40 GPM

Johnson Controls Unitary Products

21

246837-YTG-L-1012

FIGURE 12 - HOT WATER COIL - 25 & 30 TON, 2 ROW, AT 60 GPM

FIGURE 13 - HOT WATER COIL - 25 & 30 TON, 2 ROW, AT 80 GPM

22

Johnson Controls Unitary Products

246837-YTG-L-1012

FIGURE 14 - HOT WATER COIL - 40 TON, 2 ROW, AT 20 GPM

FIGURE 15 - HOT WATER COIL - 40 TON, 2 ROW, AT 40 GPM

Johnson Controls Unitary Products

23

246837-YTG-L-1012

FIGURE 16 - HOT WATER COIL - 40 TON, 2 ROW, AT 60 GPM

FIGURE 17 - HOT WATER COIL - 40 TON, 2 ROW, AT 80 GPM

24

Johnson Controls Unitary Products

246837-YTG-L-1012

STEAM HEATING
The YORK Millennium units (25, 30, and 40 ton sizes) can be
manufactured with a steam heat coil (Bottom Supply only).
YORK's one row steam coil is installed in the heating section
just downstream of the supply air fan and just above the supply air opening in the bottom of the unit.
The steam control valve will not be provided. The installer will
need to field supply a steam control valve. Connect the steam
piping and valve power wiring at the job site for the steam
heat section to be operational.
There are no provisions in the coil or control sequence to prevent freezing of condensate. The control valve, piping and
field installed wiring connections are particularly vulnerable
because they are installed in the vestibule outside of the conditioned air stream.
All piping, control valves, and wiring that is field installed must
conform to all local and national codes
Condensate can freeze on the control valve and piping if they
are not properly insulated.

PHYSICAL DATA STEAM COIL - 1 ROW
Coil Casing . . . . . . . . . . . . . . . . . . . . Galvanized Steel
Coil Construction . . . . . . . . . . . . . . . Al Fin / Cu. Tube
Rows Deep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Fin Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . .010”
Tube Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .035”
Tubes / Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Fins Per Inch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Tubes High . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21”
Tube Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65”
Face Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.48 ft.2
Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 lbs.

TABLE 22: STEAM COIL (1 ROW, 40 TON)1
CAPACITY (MBH) AT STEAM PRESSURE (PSI)
2
6
10
15
221.1
236.9
250.4
265.0
252.9
271.0
286.4
303.1
278.2
298.0
315.0
333.4
299.4
320.7
339.0
358.8
317.6
340.2
359.6
380.6

CFM
8000
11000
14000
17000
20000
1.

Based on 60°F entering air temperature, 2.00” maximum air
pressure drop across the coil.

TABLE 23: STATIC RESISTANCE STEAM COIL
(1 ROW, 40 TON)
CFM
AIR PRESSURE DROP

8000
0.18

1.

2 6 "

O U T L E T (1 1 /2 ")

TON)1

Based on 60°F entering air temperature, 2.00” maximum air
pressure drop across the coil.

TABLE 21: STATIC RESISTANCE STEAM COIL
(1 ROW, 25 & 30 TON)
6000
0.11

8000
0.18

Johnson Controls Unitary Products

10000
0.26

12000
0.36

C O N D E N S IN G
S E C T IO N

S T E A M
C O IL

CAPACITY (MBH) AT STEAM PRESSURE (PSI)
2
6
10
15
194.1
207.9
219.8
232.6
221.1
236.9
250.4
265.0
243.2
260.5
275.4
291.4
261.9
280.6
296.6
313.9
285.6
306.0
323.5
342.4

CFM
AIR PRESSURE DROP

20000
0.88

T O P V IE W

IN L E T (2 ")

8 "

H E A T S E C T IO N
C O M P A R T M E N T

O U T S ID E O F
B A S E R A IL

8 .3 8 "

2 .5 5 "

9 "

6000
8000
10000
12000
15000

17000
0.67

The steam piping must enter the unit through the floor of the
heat section compartment. The access doors to the compartment are gasketed to the compartment can be sealed. However, as added protection for condensate leakage into the
space, the piping access holes should be sealed with a heat
resistant mastic. The following figure illustrates the approximate location of the compartment and piping connections.

*Hot water, steam coil or electric heat not available for front or
rear supply.

CFM

14000
0.48

PIPING CONNECTIONS

1 5 .8 "

TABLE 20: STEAM COIL (1 ROW, 25 & 30

11000
0.31

8 8 .7 5 "

CL

FIGURE 18 - STEAM PIPING CROSS SECTION

DO NOT use tin based solder. Brazing with tin
based solder could cause equipment damage or
possible injury to OCCUPANTS of the structure that
is being conditioned.

15000
0.54

25

246837-YTG-L-1012

FIGURE 19 - STEAM COIL - 25 & 30 TON, 1 ROW

FIGURE 20 - STEAM COIL - 40 TON, 1 ROW

26

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 24: EXHAUST FAN DRIVE DATA
Motor
Model

25
Ton
30
Ton
40
Ton

Motor Pulley

Blower Pulley

Belts

Blower
RPM
Range

HP

Frame
Size

Motor Eff
(Std.
Motor)

Motor
Eff (Hi
Eff opt)

Pitch Dia
(Inches)

Bore
(Inches)

Pitch Dia
(Inches)

Bore
(Inches)

Designation

Qty

758
852
976
852
976
1069
852
976
1069

5
7.5
10
7.5
10
15
7.5
10
15

213T
215T
215T
213T
215T
254T
184T
215T
254T

87.5
88.5
89.5
84
86.5
85.7
84
86.5
85.7

89.5
91.7
91
86.5
89.5
89.5
86.5
89.5
89.5

4.9
5.5
6.3
5.5
6.3
6.9
5.5
6.3
6.9

1-3/8
1-3/8
1-5/8
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8
1-3/8

11.3
11.3
11.3
11.3
11.3
11.3
11.3
11.3
11.3

2-3/16
2-3/16
2-3/16
1-11/16
1-11/16
1-11/16
1-11/16
1-11/16
1-11/16

BX63
BX63
BX63
B65
B65
B65
B65
B65
B65

2
2
2
2
2
2
2
2
2

TABLE 25: SUPPLY FAN MOTOR AND DRIVE DATA
Motor
Model

25 Ton

30 Ton

40 Ton

Blower
RPM
Range
567
692
793
894
617
743
856
907
617
652
728
780

Motor Pulley

Blower Pulley

Belts

HP

Frame
Size

Motor
Efficiency
(Std. Motor)

Motor
Efficiency
(Ultra Hi
Eff Opt)

Pitch Dia
(Inches)

Bore
(Inches)

Pitch Dia
(Inches)

Bore
(Inches)

Designation

Qty

7.5
10
15
20
10
15
20
25
10
15
20
25

213T
215T
254T
256T
215T
254T
256T
284T
215T
254T
256T
284T

88.5
89.5
91
91
89.5
91
91
91.7
89.5
91
91
91.7

91.7
91
91.7
93
91
91.7
93
93.6
91
91.7
93
93.6

4.5
5.5
6.3
7.1
4.9
5.9
6.7
7.1
4.9
5.1
5.7
6.1

1-3/8
1-3/8
1-5/8
1-5/8
1-3/8
1-5/8
1-5/8
1-7/8
1-3/8
1-5/8
1-5/8
1-7/8

13.9
13.9
13.9
13.9
13.9
13.9
13.7
13.7
13.9
13.7
13.7
13.7

2-3/16
2-3/16
2-3/16
2-3/16
2-3/16
2-3/16
2-3/16
2-3/16
2-7/16
2-7/16
2-7/16
2-7/16

BX56
BX56
BX56
BX56
BX56
BX56
5VX610
5VX610
BX67
5VX710
5VX710
5VX710

2
2
2
2
2
2
2
2
2
2
2
2

Johnson Controls Unitary Products

27

246837-YTG-L-1012

SUPPLY AIR DRIVE ADJUSTMENT
At unit start-up, the measured CFM may be higher or lower
than the specified CFM shown in Figures 22, 23, and 24. To
achieve the specified CFM, the speed of the drive may have
to be decreased or increased by changing the pitch diameter
(PD) of the motor sheave as outlined below:

Even small changes in blower speed can result in
substantial changes in static pressure and bhp.
Bhp or amp draw of the blower motor will increase
(see table) by the cube ratio of the blower speed.
Static pressure will increase by the square ratio of
the blower speed. Tables 26, 27 and 28 are for reference only. All blower speed changes must be
made by qualified personnel with strict adherence
to the fan laws.
Example:

Failure to properly adjust the total system air quantity can result in extensive blower damage.

A 30-ton unit was selected to deliver 12,000 CFM with a 20
HP motor and a 856 RPM drive, but the unit is only delivering
11,000 CFM per Figure 23.
Use the equation to determine the required PD for the new
motor sheave (12,000 CFM / 11,000 CFM) x 6.7” = 7.31”.

Before making any blower speed changes review
the installation for any installation errors, leaks or
undesirable systems effects that can result in loss
of air flow.

Use the 30 ton table to select a Browning 2B5V74 which will
increase the speed of the unit’s drive and its supply air CFM
to 111.9%. Thus select the 7.5” PD at 112% increase over
standard.
New drive speed = 1.119 x 856 = 957.9 RPM
New supply air

= 1.119 x 11,000 = 12,309 CFM

Re-use the existing belts and blower sheave.
New motor BHP = (speed increase)3 x estimated motor
BHP at original start-up with 11,000 CFM and 856 RPM =
(1.119)3 x 11 BHP = 1.4012 x 11 BHP = 15.41 BHP New
motor amps = (speed increase)3 x measured motor amps
at original start-up with 11,000 CFM and 856 RPM.

28

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 26: 25 TON DRIVE ADJUSTMENT
7.5 HP MOTOR & 567 RPM DRIVE
BROWNING
%RPM
REQ’D
PD
2B5V_ _
& CFM
100
(Std.)4.5
42
104
4.7
44
109
4.9
46
113
5.1
48
118
5.3
50
122
5.5
52
126
5.7
54
-

10 HP MOTOR & 692 RPM DRIVE
%RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
82
4.5
42
86
4.7
44
89
4.9
46
93
5.1
48
96
5.3
50
100
(Std.)5.5
52
104
5.7
54
107
5.9
56
111
6.1
58
115
6.3
60
118
6.5
62
122
6.7
64

15 HP MOTOR & 793 RPM DRIVE
%RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
84
5.3
50
87
5.5
52
90
5.7
54
94
5.9
56
97
6.1
58
100
(Std)6.3
60
103
6.5
62
106
6.7
64
110
6.9
66
113
7.1
68
116
7.3
70
122
7.7
74

20 HP MOTOR & 894 RPM DRIVE
%RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
86
6.1
58
89
6.3
60
91
6.5
62
94
6.7
64
97
6.9
66
100
(Std.)7.1
68
103
7.3
70
108
7.7
74
117
8.3
80
125
8.9
86
-

TABLE 27: 30 TON DRIVE ADJUSTMENT
10 HP MOTOR & 617 RPM DRIVE
BROWNING
%RPM
REQ’D
PD
2B5V_ _
& CFM
91.8
4.5
42
95.9
4.7
44
(Std.)
100.0
46
4.9
104.1
5.1
48
108.2

5.3

50

15 HP MOTOR & 743 RPM DRIVE
%RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
86.4
5.1
48
89.8
5.3
50

20 HP MOTOR & 856 RPM DRIVE
%RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
82.1
5.5
54
85.1
5.7
56

25 HP MOTOR & 907 RPM DRIVE
%RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
86.3
6.1
60
89.0
6.3
62

93.2

5.5

52

88.1

5.9

58

91.8

6.5

64

96.6

5.7
(Std.)
5.9

54

91.0

6.1

60

94.5

6.7

66

56

94.0

6.3

62

97.3

6.9

68

(Std.)
7.1

70

100.0

112.2

5.5

52

103.4

6.1

58

97.0

116.3

5.7

54

106.8

6.3

60

100.0

120.4
124.5
-

5.9
6.1
-

56
58
-

110.2
113.6
116.9
120.3
123.7

6.5
6.7
6.9
7.1
7.3

62
64
66
68
70

103.0
106.0
112.0
120.9
129.9

6.5

64

100.0

(Std.)
6.7
6.9
7.1
7.5
8.1
8.7

66

105.5

7.5

74

68
70
74
80
86

113.7
121.9
-

8.1
8.7
-

80
86
-

TABLE 28: 40 TON DRIVE ADJUSTMENT
10 HP MOTOR & 617 RPM DRIVE
BROWNING
%RPM
REQ’D
PD
2B5V_ _
& CFM
91.8
4.5
42
95.9
4.7
44
(Std.)
100.0
46
4.9

15 HP MOTOR & 652 RPM DRIVE
% RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
88.2
4.5
44
92.1
4.7
46
96.0

4.9

20 HP MOTOR & 728 RPM DRIVE
%RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
82.5
4.7
46
86.0
4.9
48

48

89.5

5.1

50

90.2

5.5

54

50

93.0

5.3

52

93.4

5.7

56

5.5
(Std.)
5.7
5.9
6.1
6.3
6.5
6.7
6.9

54

96.7
100.0

58
60
62
64
66
68

103.3
106.6
109.8
113.1
116.4
119.7

5.9
(Std.)
6.1
6.3
6.5
6.7
6.9
7.1
7.5

58

56

108.2

5.3

50

103.9

(Std.)
5.1
5.3

52

96.5

112.2

5.5

52

107.8

5.5

54

100.0

116.3
-

5.7
-

54
-

111.7
115.6
119.5
123.4
127.4
-

5.7
5.9
6.1
6.3
6.5
-

56
58
60
62
64
66

103.5
107.0
110.5
114.0
117.5
121.1

104.1

5.1

48

Johnson Controls Unitary Products

100.0

25 HP MOTOR & 780 RPM DRIVE
%RPM
REQ’D
BROWNING
& CFM
PD
2B5V_ _
83.7
5.1
50
86.9
5.3
52

60
62
64
66
68
70
74

29

246837-YTG-L-1012

TABLE 29: DRIVE ADJUSTMENT FOR POWER EXHAUST - 25 TON
5 HP Motor & 758 RPM Drive

7.5 HP Motor & 852 RPM Drive

10 HP Motor & 976 RPM Drive

%RPM
& CFM

Req’d
PD

Browning
2b5v_ _

%RPM
& CFM

Req’d
PD

Browning
2b5v_ _

%RPM
& CFM

Req’d PD

Browning
2b5v_ _

100
104
109
113
117
122

4.9 (Std.)
5.1
5.3
5.5
5.7
5.9

46
48
50
52
54
56

92
96
100
104
108
112

5.1
5.3
5.5 (Std.)
5.7
5.9
6.1

48
50
52
54
56
58

93
97
100
103
107
110

5.9
6.1
6.3 (Std.)
6.5
6.7
6.9

56
58
60
62
64
66

TABLE 30: DRIVE ADJUSTMENT FOR POWER EXHAUST - 30 & 40 TON
7.5 HP MOTOR & 852 RPM DRIVE
BROWNING
% RPM
REQ’D
2B5V_ _
& CFM
PD (IN)
96.4
5.3
52
100.0
(Std.) 5.5
54
103.6
5.7
56
107.3
5.9
58
110.9
6.1
60
114.5
6.3
62

30

10 HP MOTOR & 976 RPM DRIVE
% RPM
REQ’D
BROWNING
& CFM
PD (IN)
2B5V_ _
93.7
5.9
58
96.8
6.1
60
100.0
(Std.) 6.3
62
103.2
6.5
64
106.3
6.7
66
109.5
6.9
68

15 HP MOTOR & 1069 RPM DRIVE
% RPM
REQ’D
BROWNING
& CFM
PD (IN)
2B5V_ _
94.2
6.5
64
97.1
6.7
66
100.0
(Std.) 6.9
68
102.9
7.1
70
108.7
7.5
74
117.4
8.1
80

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 31: COOLING PERFORMANCE - 25 TON R-410A
Air on Evaporator
Coil
CFM

7500

8750

10000

11250

12500

7500

8750

10000

11250

12500

7500

8750

10000

11250

12500

1.
2.

WB
(°F)

Total Total2
Cap.1 Input
(MBH) (kW)

86

Temperature of Air on Condenser Coil
75°F
Sensible Capacity (MBH)*
Total Total2
Return Dry Bulb (°F)
Cap.1 Input
(MBH)
(kW) 86
83
80
77
74
71
68

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

365.8
342.4
311.7
300.0
376.3
352.0
320.6
308.6
386.7
361.7
329.5
317.2
400.1
374.2
340.9
328.2
413.5
386.8
352.3
339.1

21.0
20.5
20.4
19.7
21.2
20.7
20.6
19.9
21.4
20.9
20.8
20.1
21.5
21.0
20.9
20.2
21.6
21.1
21.0
20.3

202.1
248.8
302.2
300.0
214.5
263.3
315.9
308.6
226.9
277.8
329.5
317.2
248.4
304.4
340.9
328.2
269.8
331.0
352.3
339.1

183.9
230.6
284.0
299.5
193.8
242.6
298.4
308.4
203.7
254.6
312.8
317.2
223.6
279.6
332.5
328.2
243.4
304.6
352.3
339.1

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

338.5
308.7
287.4
279.5
339.0
309.2
287.9
280.0
339.6
309.7
288.4
280.4
353.9
322.7
300.5
292.2
368.1
335.7
312.6
304.0

25.4
25.4
24.4
24.3
25.7
25.7
24.7
24.6
26.1
26.0
25.0
24.9
25.9
25.8
24.8
24.8
25.8
25.7
24.7
24.6

183.8
230.1
269.9
279.5
195.7
244.2
279.1
280.0
207.7
258.4
288.4
280.4
227.2
283.1
300.5
292.2
246.8
307.9
312.6
304.0

166.0
212.3
252.1
269.4
175.5
224.0
265.7
274.9
185.0
235.7
279.3
280.4
203.0
259.0
295.9
292.2
221.1
282.2
312.6
304.0

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

283.0
263.3
245.1
248.8
282.7
263.0
244.8
248.5
282.4
262.7
244.5
248.2
294.2
273.7
254.8
258.6
306.0
284.8
265.0
269.0

31.7
31.3
30.7
30.6
31.8
31.3
30.7
30.7
31.8
31.3
30.7
30.7
32.0
31.5
30.9
30.9
32.2
31.7
31.1
31.1

159.7
208.0
245.1
248.8
172.6
223.8
244.8
248.5
185.4
239.5
244.5
248.2
202.5
262.1
254.8
258.6
219.6
284.7
265.0
269.0

142.6
190.9
230.9
236.1
152.7
203.9
237.7
242.2
162.9
217.0
244.5
248.2
178.6
238.2
254.8
258.6
194.3
259.4
265.0
269.0

165.7
212.4
265.8
281.3
173.1
221.9
277.7
293.9
180.5
231.4
289.6
306.4
198.7
254.8
318.8
322.8
217.0
278.1
348.1
339.1
95°F
148.2
194.5
234.2
251.6
155.2
203.8
245.5
263.6
162.3
213.1
256.7
275.7
178.9
234.8
282.8
289.8
195.4
256.5
308.9
304.0
115°F
125.5
173.8
213.8
219.0
132.9
184.1
226.5
232.0
140.3
194.4
239.2
245.0
154.6
214.2
252.1
257.0
169.0
234.1
265.0
269.0

85°F
Sensible Capacity (MBH)*
Return Dry Bulb (°F)
83
80
77
74
71

147.5
194.2
247.6
263.1
152.4
201.2
257.0
273.2
157.3
208.2
266.4
283.2
173.9
229.9
294.0
298.0
190.5
251.7
321.6
312.7

129.3
176.1
229.4
244.9
131.7
180.5
236.3
252.5
134.1
185.0
243.2
260.0
149.1
205.1
269.2
273.1
164.1
225.3
295.2
286.2

157.9
211.2
226.7
159.8
215.6
231.8
161.8
220.0
236.8
180.3
244.4
248.3
198.8
268.8
259.8

139.7
193.0
208.6
139.1
194.9
211.1
138.6
196.8
213.6
155.5
219.5
223.5
172.4
242.3
233.4

352.2
325.5
299.6
289.8
357.7
330.6
304.3
294.3
363.2
335.7
309.0
298.8
377.0
348.5
320.7
310.2
390.8
361.2
332.4
321.5

23.2
22.9
22.4
22.0
23.5
23.2
22.6
22.2
23.7
23.4
22.9
22.5
23.7
23.4
22.9
22.5
23.7
23.4
22.8
22.5

192.9
239.4
286.0
289.8
205.1
253.8
297.5
294.3
217.3
268.1
309.0
298.8
237.8
293.8
320.7
310.2
258.3
319.4
332.4
321.5

174.9
221.5
268.0
284.4
184.6
233.3
282.0
291.6
194.3
245.2
296.0
298.8
213.3
269.3
314.2
310.2
232.2
293.4
332.4
321.5

130.3
176.7
216.4
233.8
135.0
183.5
225.2
243.4
139.7
190.4
234.0
253.0
154.7
210.6
258.6
265.6
169.7
230.8
283.2
278.3

112.5
158.9
198.6
216.0
114.8
163.3
205.0
223.2
117.0
167.8
211.3
230.4
130.5
186.4
234.4
241.5
144.0
205.1
257.5
252.6

141.1
180.8
198.2
143.1
184.8
202.9
145.1
188.7
207.7
162.2
210.3
217.3
179.4
231.8
226.9

123.2
163.0
180.4
122.9
164.5
182.7
122.5
166.0
185.0
138.1
186.1
193.1
153.7
206.1
201.2

310.7
286.0
266.3
264.1
310.9
286.1
266.4
264.2
311.0
286.2
266.5
264.3
324.0
298.2
277.6
275.4
337.1
310.2
288.8
286.5

28.6
28.3
27.5
27.5
28.7
28.5
27.7
27.6
28.9
28.6
27.8
27.8
28.9
28.7
27.9
27.8
29.0
28.7
27.9
27.9

171.7
219.1
257.5
264.1
184.1
234.0
262.0
264.2
196.5
248.9
266.5
264.3
214.9
272.6
277.6
275.4
233.2
296.3
288.8
286.5

154.3
201.6
241.5
252.8
164.1
214.0
251.7
258.5
173.9
226.3
261.9
264.3
190.8
248.6
275.4
275.4
207.7
270.8
288.8
286.5

108.3
156.7
196.7
201.9
113.1
164.3
206.6
212.2
117.8
171.9
216.6
222.4
130.7
190.3
228.2
233.1
143.6
208.7
239.7
243.7

91.2
139.5
179.5
184.7
93.2
144.4
186.8
192.3
95.3
149.3
194.1
199.9
106.8
166.4
204.2
209.1
118.3
183.4
214.4
218.3

122.4
162.4
167.6
124.6
167.0
172.5
126.8
171.5
177.4
142.4
180.3
185.2
158.1
189.0
193.0

105.3
145.3
150.5
104.8
147.2
152.7
104.3
149.0
154.8
118.5
156.4
161.3
132.7
163.7
167.7

255.3
240.6
223.9
233.4
254.5
239.9
223.3
232.8
253.7
239.2
222.6
232.1
264.4
249.2
232.0
241.8
275.0
259.3
241.3
251.6

34.9
34.2
33.8
33.8
34.8
34.1
33.7
33.7
34.6
34.0
33.6
33.5
35.0
34.3
33.9
33.9
35.4
34.7
34.3
34.3

147.7
197.0
223.9
233.4
161.0
213.5
223.3
232.8
174.3
230.0
222.6
232.1
190.2
249.2
232.0
241.8
206.1
259.3
241.3
251.6

130.9
180.2
220.4
219.5
141.3
193.9
223.3
225.8
151.8
207.6
222.6
232.1
166.4
227.8
232.0
241.8
180.9
248.0
241.3
251.6

156.9
203.5
250.0
266.5
164.2
212.8
261.6
278.8
171.4
222.2
273.1
291.1
188.8
244.8
300.8
306.3
206.2
267.3
328.5
321.5
105°F
136.8
184.1
224.0
235.3
144.1
193.9
236.0
247.8
151.3
203.8
247.9
260.3
166.8
224.5
267.4
273.4
182.2
245.3
287.0
286.5
125°F
114.1
163.5
203.6
202.7
121.7
174.3
217.0
216.2
129.3
185.1
222.6
229.6
142.5
204.0
232.0
240.6
155.7
222.9
241.3
251.6

68

138.9
185.5
232.0
248.5
143.7
192.4
241.1
258.3
148.5
199.3
250.2
268.1
164.3
220.3
276.3
281.8
180.1
241.2
302.4
295.5

120.9
167.5
214.0
230.5
123.2
171.9
220.6
237.8
125.6
176.4
227.3
245.2
139.8
195.8
251.8
257.3
154.0
215.2
276.4
269.4

149.5
196.0
212.5
151.5
200.2
217.4
153.4
204.3
222.3
171.3
227.3
232.8
189.1
250.3
243.3

131.5
178.0
194.5
131.0
179.7
196.9
130.5
181.4
199.3
146.8
202.8
208.3
163.0
224.2
217.3

119.3
166.7
206.6
217.8
124.0
173.9
215.9
227.8
128.7
181.2
225.3
237.7
142.7
200.5
243.4
249.3
156.7
219.7
261.5
261.0

101.9
149.2
189.1
200.4
104.0
153.9
195.9
207.7
106.1
158.6
202.7
215.1
118.6
176.4
219.3
225.3
131.1
194.2
235.9
235.5

131.7
171.6
182.9
133.8
175.9
187.7
136.0
180.1
192.5
152.3
195.3
201.2
168.7
210.4
209.9

114.3
154.2
165.4
113.8
155.8
167.7
113.4
157.5
169.9
128.3
171.2
177.2
143.2
184.9
184.4

97.3
146.7
186.8
185.9
102.1
154.6
197.4
196.5
106.9
162.6
207.9
207.2
118.7
180.2
212.9
216.8
130.6
197.7
218.0
226.4

80.5
129.9
170.0
169.1
82.5
135.0
177.7
176.9
84.4
140.1
185.5
184.7
94.9
156.3
189.1
193.0
105.4
172.6
192.8
201.2

113.1
153.2
152.3
115.4
158.1
157.3
117.6
163.0
162.2
132.5
165.3
169.1
147.4
167.6
176.1

96.3
136.4
135.6
95.7
138.5
137.6
95.2
140.5
139.7
108.7
141.5
145.3
122.2
142.5
150.9

These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBH = 3.415 x kW). Refer to the appropriate Blower
Performance Table for the kW of the supply air blower motor.
These ratings include the condenser fan motors and the compressor motors but not the supply air blower motor.

Johnson Controls Unitary Products

31

246837-YTG-L-1012

TABLE 32: COOLING PERFORMANCE - 30 TON R-410A
Air on Evaporator
Coil
CFM

9000

10500

12000

13500

15000

9000

10500

12000

13500

15000

9000

10500

12000

13500

15000

1.
2.

32

WB
(°F)

Total
Cap.1
(MBH)

Total2
Input
(kW)

86

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

438.1
411.1
383.5
381.2
449.0
421.4
393.2
390.8
460.0
431.7
402.8
400.3
466.7
438.0
408.7
406.2
473.5
444.4
414.6
412.1

25.5
25.1
24.6
24.6
25.7
25.3
24.8
24.7
25.8
25.5
25.0
24.9
25.9
25.5
25.0
25.0
26.0
25.6
25.1
25.1

255.0
316.7
383.5
381.2
276.2
342.4
393.2
390.8
297.5
368.1
402.8
400.3
316.2
391.0
408.7
406.2
335.0
413.8
414.6
412.1

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

396.9
371.8
349.7
350.0
406.4
380.6
358.0
358.3
415.8
389.5
366.3
366.6
421.9
395.2
371.7
372.0
428.0
400.9
377.0
377.4

30.0
29.6
29.3
29.3
30.1
29.7
29.4
29.4
30.3
29.8
29.5
29.5
30.4
29.9
29.6
29.6
30.4
30.0
29.7
29.7

239.6
298.5
349.7
350.0
260.1
323.6
358.0
358.3
280.6
348.6
366.3
366.6
301.2
373.6
371.7
372.0
321.8
398.7
377.0
377.4

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

354.6
332.4
318.2
318.2
362.6
339.8
325.3
325.3
370.6
347.3
332.5
332.4
375.5
351.9
336.9
336.9
380.5
356.6
341.3
341.3

35.8
35.4
35.1
35.1
35.9
35.5
35.3
35.3
36.0
35.6
35.4
35.4
36.1
35.7
35.4
35.4
36.1
35.7
35.5
35.5

222.3
280.8
318.2
318.2
242.6
305.8
325.3
325.3
263.0
330.9
332.5
332.4
282.3
343.8
336.9
336.9
301.6
356.6
341.3
341.3

Temperature of Air on Condenser Coil
75°F
Sensible Capacity (MBH)*
Total Total2
Return Dry Bulb (°F)
Cap.1
Input
(MBH)
(kW)
83
80
77
74
71
68
86
231.9 208.9
293.6 270.6
357.8 334.8
372.6 349.6
250.1 224.0
316.3 290.2
380.3 359.1
386.5 374.9
268.3 239.2
339.0 309.8
402.8 383.3
400.3 400.3
284.7 253.1
359.4 327.9
408.7 399.0
406.2 406.2
301.0 267.0
379.9 345.9
414.6 414.6
412.1 412.1
95°F
216.9 194.3
275.9 253.2
337.0 314.3
340.4 317.8
234.7 209.2
298.1 272.6
351.7 338.5
353.5 342.2
252.4 224.1
320.3 292.1
366.3 362.7
366.6 366.6
270.0 238.8
342.4 311.2
371.7 369.8
372.0 372.0
287.6 253.4
364.5 330.3
377.0 377.0
377.4 377.4
115°F
200.1 177.9
258.5 236.3
308.2 286.0
308.2 286.0
217.5 192.3
280.7 255.5
320.3 309.2
320.3 309.2
234.9 206.8
302.8 274.7
332.5 332.5
332.4 332.4
251.5 220.7
324.0 293.2
336.9 336.9
336.9 336.9
268.1 234.6
345.1 311.7
341.3 341.3
341.3 341.3

185.8
247.5
311.7
326.5
197.9
264.1
333.0
348.8
210.0
280.7
354.2
371.2
221.6
296.3
367.4
374.6
233.1
311.9
380.6
378.1

162.8
224.5
288.7
303.5
171.8
238.0
306.9
322.7
180.9
251.5
325.1
342.0
190.0
264.8
335.9
343.1
199.1
278.0
346.7
344.1

201.4
265.6
280.4
211.9
280.8
296.6
222.4
295.9
312.9
233.2
304.3
311.5
244.0
312.7
310.2

178.4
242.6
257.3
185.8
254.7
270.5
193.3
266.8
283.7
201.6
272.8
280.0
210.0
278.7
276.2

417.5
391.4
366.6
365.6
427.7
401.0
375.6
374.5
437.9
410.6
384.5
383.5
444.3
416.6
390.2
389.1
450.7
422.6
395.8
394.7

27.8
27.4
27.0
26.9
27.9
27.5
27.1
27.1
28.1
27.6
27.3
27.2
28.1
27.7
27.3
27.3
28.2
27.8
27.4
27.4

247.3
307.6
366.6
365.6
268.2
333.0
375.6
374.5
289.0
358.3
384.5
383.5
308.7
382.3
390.2
389.1
328.4
406.2
395.8
394.7

171.6
230.5
291.6
295.1
183.7
247.2
313.0
316.7
195.9
263.9
334.4
338.4
207.6
280.0
338.6
340.8
219.3
296.1
342.8
343.2

148.9
207.8
268.9
272.4
158.3
221.7
287.6
291.3
167.7
235.6
306.2
310.2
176.4
248.8
307.4
309.6
185.1
261.9
308.7
309.0

185.1
246.2
249.7
196.2
262.1
265.8
207.4
277.9
281.9
217.6
276.2
278.4
227.7
274.5
274.8

162.4
223.6
227.0
170.8
236.6
240.3
179.1
249.7
253.7
186.4
245.0
247.1
193.6
240.3
240.6

375.8
352.1
333.9
334.1
384.5
360.2
341.7
341.8
393.2
368.4
349.4
349.5
398.7
373.6
354.3
354.4
404.2
378.7
359.2
359.3

32.9
32.5
32.2
32.2
33.0
32.6
32.3
32.3
33.2
32.7
32.5
32.5
33.2
32.8
32.5
32.5
33.3
32.9
32.6
32.6

231.0
289.7
333.9
334.1
251.4
314.7
341.7
341.8
271.8
339.8
349.4
349.5
291.7
358.7
354.3
354.4
311.7
377.6
359.2
359.3

155.7
214.1
263.8
263.8
167.2
230.4
284.1
284.1
178.7
246.6
304.4
304.3
189.9
262.4
306.1
306.1
201.1
278.2
307.8
307.8

133.4
191.9
241.6
241.6
142.0
205.2
258.9
258.9
150.6
218.5
276.3
276.2
159.1
231.6
275.3
275.3
167.6
244.7
274.3
274.3

169.7
219.4
219.3
180.0
233.8
233.7
190.4
248.2
248.1
200.8
244.5
244.5
211.2
240.9
240.8

147.5
197.1
197.1
154.9
208.6
208.6
162.3
220.0
220.0
170.0
213.7
213.7
177.7
207.4
207.3

333.5
312.7
302.4
302.3
340.7
319.5
309.0
308.8
347.9
326.2
315.5
315.3
352.3
330.3
319.5
319.3
356.7
334.4
323.5
323.3

38.7
38.3
38.0
38.0
38.8
38.4
38.2
38.2
38.9
38.5
38.3
38.3
38.9
38.6
38.3
38.3
39.0
38.6
38.3
38.3

213.6
271.9
302.4
302.3
233.9
297.0
309.0
308.8
254.2
322.1
315.5
315.3
272.8
328.8
319.5
319.3
291.4
334.4
323.5
323.3

85°F
Sensible Capacity (MBH)*
Return Dry Bulb (°F)
83
80
77
74
71
224.4 201.6
284.7 261.9
347.4 324.6
356.5 333.7
242.4 216.6
307.2 281.4
366.0 348.8
370.0 358.6
260.3 231.7
329.7 301.0
384.5 373.0
383.5 383.5
277.3 245.9
350.9 319.5
390.2 384.4
389.1 389.1
294.3 260.2
372.2 338.1
395.8 395.8
394.7 394.7
105°F
208.5 186.1
267.2 244.7
322.6 300.2
324.3 301.9
226.1 200.8
289.4 264.1
336.0 323.9
336.9 325.7
243.6 215.5
311.6 283.4
349.4 347.6
349.5 349.5
260.7 229.7
333.2 302.2
354.3 353.4
354.4 354.4
277.8 244.0
354.8 321.0
359.2 359.2
359.3 359.3
125°F
191.7 169.7
249.9 227.9
293.8 271.8
292.1 270.1
208.9 183.9
272.0 247.0
304.7 294.6
303.7 292.7
226.1 198.1
294.1 266.0
315.5 315.5
315.3 315.3
242.2 211.6
314.8 284.2
319.5 319.5
319.3 319.3
258.3 225.1
334.4 302.3
323.5 323.5
323.3 323.3

68

178.7
239.0
301.7
310.8
190.8
255.6
323.0
332.8
203.0
272.3
344.3
354.8
214.6
288.1
353.0
357.7
226.2
304.0
361.7
360.6

155.8
216.1
278.8
287.9
165.0
229.9
297.2
307.0
174.3
243.6
315.6
326.1
183.2
256.8
321.6
326.3
192.1
270.0
327.7
326.6

193.3
255.9
265.0
204.1
271.4
281.2
214.9
286.9
297.4
225.4
290.3
294.9
235.9
293.6
292.5

170.4
233.1
242.2
178.3
245.7
255.4
186.2
258.2
268.7
194.0
258.9
263.6
201.8
259.5
258.4

163.6
222.3
277.7
279.4
175.4
238.8
298.5
300.4
187.3
255.2
319.4
321.4
198.7
271.2
322.4
323.4
210.2
287.1
325.3
325.5

141.2
199.8
255.3
257.0
150.1
213.5
273.2
275.1
159.1
227.1
291.2
293.2
167.7
240.2
291.4
292.4
176.3
253.3
291.5
291.7

177.4
232.8
234.5
188.1
247.9
249.8
198.9
263.0
265.0
209.2
260.4
261.4
219.5
257.7
257.8

154.9
210.3
212.1
162.8
222.6
224.5
170.7
234.9
236.9
178.2
229.3
230.4
185.6
223.8
224.0

147.7
205.9
249.9
248.1
158.9
222.0
269.6
267.7
170.1
238.0
289.3
287.3
181.0
253.6
289.8
288.7
192.0
269.2
290.3
290.2

125.7
183.9
227.9
226.1
133.9
196.9
244.6
242.7
142.0
210.0
261.3
259.3
150.4
223.0
259.2
258.1
158.8
236.0
257.2
257.0

162.0
205.9
204.2
171.9
219.6
217.7
181.9
233.3
231.2
192.4
228.6
227.5
202.9
224.0
223.8

140.0
183.9
182.2
146.9
194.6
192.7
153.9
205.2
203.2
161.8
198.1
196.9
169.7
190.9
190.7

These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBH = 3.415 x kW). Refer to the appropriate Blower
Performance Table for the kW of the supply air blower motor.
These ratings include the condenser fan motors and the compressor motors but not the supply air blower motor.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 33: COOLING PERFORMANCE - 40 TON R-410A
Air on Evaporator
Coil
CFM

12000

14000

16000

18000

20000

12000

14000

16000

18000

20000

12000

14000

16000

18000

20000

1.
2.

WB
(°F)

Total
Cap.1
(MBH)

Total2
Input
(kW)

86

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

570.6
532.3
495.7
495.9
584.8
545.5
508.0
508.2
598.9
558.7
520.3
520.5
608.2
567.4
528.3
528.6
617.4
576.0
536.4
536.6

32.2
31.6
31.1
31.1
32.4
31.8
31.3
31.3
32.6
32.0
31.5
31.5
32.7
32.2
31.6
31.6
32.9
32.3
31.7
31.7

340.7
420.3
495.7
495.9
369.1
454.7
508.0
508.2
397.6
489.0
520.3
520.5
422.8
525.1
528.3
528.6
448.0
561.2
536.4
536.6

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

514.0
479.8
454.7
454.7
525.9
490.9
465.3
465.2
537.8
502.0
475.8
475.8
545.4
509.1
482.5
482.5
552.9
516.2
489.2
489.2

38.7
38.1
37.7
37.7
38.9
38.3
37.9
37.9
39.0
38.4
38.0
38.0
39.2
38.6
38.1
38.1
39.3
38.7
38.3
38.3

319.4
398.4
454.7
454.7
346.9
432.0
465.3
465.2
374.4
465.6
475.8
475.8
399.2
490.9
482.5
482.5
424.1
516.2
489.2
489.2

72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57
72
67
62
57

457.9
427.9
412.8
412.8
467.6
437.0
421.6
421.6
477.4
446.1
430.4
430.4
484.2
452.5
436.6
436.6
491.0
458.9
442.7
442.7

46.7
46.2
45.8
45.8
46.8
46.3
45.9
45.9
46.9
46.4
46.1
46.1
47.0
46.5
46.2
46.2
47.1
46.6
46.3
46.3

298.1
375.7
412.8
412.8
325.2
409.2
421.6
421.6
352.3
442.7
430.4
430.4
376.8
450.8
436.6
436.6
401.2
458.9
442.7
442.7

Temperature of Air on Condenser Coil
75°F
Sensible Capacity (MBH)*
Total Total2
Return Dry Bulb (°F)
Cap.1
Input
(MBH)
(kW)
83
80
77
74
71
68
86
309.3 277.8
388.9 357.4
474.7 443.3
484.4 453.0
333.8 298.5
419.4 384.1
497.5 476.3
502.5 486.7
358.4 319.3
449.8 410.7
520.3 509.3
520.5 520.5
380.6 338.4
477.5 435.4
528.3 522.8
528.6 528.6
402.8 357.6
505.2 460.0
536.4 536.4
536.6 536.6
95°F
288.2 256.9
367.1 335.9
443.1 411.8
443.0 411.8
311.9 276.9
397.0 361.9
459.4 443.8
459.4 443.8
335.6 296.8
426.8 388.0
475.8 475.8
475.8 475.8
357.5 315.8
454.6 412.9
482.5 482.5
482.5 482.5
379.5 334.8
482.3 437.7
489.2 489.2
489.2 489.2
115°F
267.3 236.5
344.9 314.1
400.4 369.5
400.3 369.5
290.6 256.0
374.6 339.9
415.4 400.0
415.4 400.0
313.9 275.4
404.2 365.8
430.4 430.4
430.4 430.4
335.3 293.9
431.6 390.3
436.6 436.6
436.6 436.6
356.8 312.4
458.9 414.8
442.7 442.7
442.7 442.7

246.4
326.0
411.8
421.5
263.2
348.8
441.0
451.4
280.1
371.5
470.2
481.4
296.3
393.2
480.7
486.4
312.5
414.9
491.2
491.4

215.0
294.5
380.4
390.1
227.9
313.5
405.7
416.1
240.9
332.4
431.0
442.2
254.1
351.0
438.5
444.2
267.3
369.7
446.0
446.2

263.1
348.9
358.6
278.2
370.4
380.8
293.2
391.9
403.0
308.9
396.3
402.0
324.5
400.8
401.0

231.7
317.5
327.2
242.9
335.1
345.5
254.1
352.7
363.9
266.7
354.2
359.9
279.3
355.6
355.9

542.3
506.1
475.2
475.3
555.3
518.2
486.6
486.7
568.3
530.4
498.0
498.1
576.8
538.2
505.4
505.5
585.2
546.1
512.8
512.9

35.4
34.9
34.4
34.4
35.6
35.0
34.6
34.6
35.8
35.2
34.7
34.7
35.9
35.4
34.9
34.9
36.1
35.5
35.0
35.0

330.1
409.3
475.2
475.3
358.0
443.3
486.6
486.7
386.0
477.3
498.0
498.1
411.0
508.0
505.4
505.5
436.0
538.7
512.8
512.9

225.7
304.6
380.5
380.5
241.9
326.9
408.8
408.7
258.1
349.3
437.0
437.0
274.1
371.2
440.8
440.8
290.2
393.1
444.6
444.6

194.4
273.3
349.3
349.3
206.8
291.9
373.7
373.7
219.3
310.5
398.2
398.2
232.4
329.5
399.1
399.1
245.6
348.5
400.0
400.0

242.1
318.0
318.0
256.9
338.7
338.7
271.7
359.4
359.4
287.8
357.4
357.4
303.9
355.4
355.4

210.8
286.8
286.8
221.9
303.7
303.7
232.9
320.6
320.6
246.1
315.7
315.7
259.3
310.8
310.7

485.9
453.8
433.8
433.8
496.8
463.9
443.4
443.4
507.6
474.0
453.1
453.1
514.8
480.8
459.5
459.5
522.0
487.5
466.0
466.0

42.7
42.1
41.7
41.7
42.8
42.3
41.9
41.9
43.0
42.4
42.0
42.0
43.1
42.5
42.2
42.2
43.2
42.7
42.3
42.3

308.8
387.0
433.8
433.8
336.1
420.6
443.4
443.4
363.4
454.1
453.1
453.1
388.0
470.8
459.5
459.5
412.6
487.5
466.0
466.0

205.7
283.3
338.7
338.7
221.4
305.3
365.4
365.3
237.0
327.4
392.0
392.0
252.5
348.9
395.1
395.1
267.9
370.4
398.3
398.3

174.9
252.5
307.9
307.9
186.7
270.7
330.7
330.7
198.6
288.9
353.5
353.5
211.0
307.4
353.7
353.7
223.5
326.0
353.9
353.8

221.7
277.1
277.1
236.1
296.1
296.1
250.5
315.1
315.1
266.0
312.3
312.2
281.5
309.4
309.4

190.8
246.3
246.3
201.5
261.5
261.5
212.1
276.7
276.6
224.6
270.8
270.8
237.1
265.0
265.0

429.9
402.0
391.9
391.9
438.5
410.1
399.8
399.8
447.2
418.2
407.7
407.7
453.6
424.2
413.6
413.6
460.1
430.2
419.5
419.5

50.6
50.2
49.8
49.8
50.8
50.3
50.0
50.0
50.9
50.4
50.1
50.1
51.0
50.5
50.2
50.2
51.1
50.6
50.3
50.3

287.5
364.4
391.9
391.9
314.4
397.8
399.8
399.8
341.3
418.2
407.7
407.7
365.5
424.2
413.6
413.6
389.8
430.2
419.5
419.5

85°F
Sensible Capacity (MBH)*
Return Dry Bulb (°F)
83
80
77
74
71
298.7 267.4
378.0 346.6
458.9 427.5
463.7 432.4
322.9 287.7
408.2 373.0
478.5 460.0
480.9 465.3
347.0 308.0
438.3 399.4
498.0 492.6
498.1 498.1
369.1 327.1
466.1 424.1
505.4 502.7
505.5 505.5
391.1 346.2
493.8 448.9
512.8 512.8
512.9 512.9
105°F
277.7 246.7
356.0 325.0
421.7 390.7
421.7 390.7
301.2 266.4
385.8 350.9
437.4 421.9
437.4 421.9
324.8 286.1
415.5 376.9
453.1 453.1
453.1 453.1
346.4 304.9
443.1 401.6
459.5 459.5
459.5 459.5
368.1 323.6
470.6 426.3
466.0 466.0
466.0 466.0
125°F
256.9 226.3
333.8 303.2
379.0 348.4
379.0 348.4
279.9 245.5
363.4 328.9
393.4 378.1
393.3 378.1
303.0 264.8
393.0 354.7
407.7 407.7
407.7 407.7
324.2 282.9
420.1 379.0
413.6 413.6
413.6 413.6
345.5 301.1
430.2 403.4
419.5 419.5
419.5 419.5

68

236.0
315.3
396.2
401.0
252.6
337.8
424.9
430.1
269.1
360.4
453.6
459.2
285.2
382.2
460.7
463.6
301.3
404.0
467.9
468.0

204.7
283.9
364.8
369.7
217.4
302.7
389.7
394.9
230.1
321.4
414.6
420.2
243.3
340.3
418.8
421.6
256.4
359.1
423.0
423.1

252.6
333.5
338.3
267.5
354.6
359.8
282.5
375.6
381.2
298.3
376.9
379.7
314.2
378.1
378.2

221.2
302.1
307.0
232.4
319.4
324.6
243.5
336.7
342.3
256.4
334.9
337.8
269.3
333.2
333.3

215.7
293.9
359.6
359.6
231.6
316.1
387.1
387.0
247.5
338.3
414.5
414.5
263.3
360.0
418.0
417.9
279.1
381.7
421.5
421.4

184.6
262.9
328.6
328.6
196.8
281.3
352.2
352.2
208.9
299.7
375.9
375.9
221.7
318.5
376.4
376.4
234.6
337.2
376.9
376.9

231.9
297.6
297.6
246.5
317.4
317.4
261.1
337.3
337.2
276.9
334.8
334.8
292.7
332.4
332.4

200.8
266.5
266.5
211.7
282.6
282.6
222.5
298.7
298.6
235.3
293.3
293.2
248.2
287.9
287.9

195.7
272.6
317.8
317.8
211.1
294.5
343.7
343.6
226.5
316.4
369.5
369.4
241.6
337.7
372.3
372.3
256.8
359.0
375.2
375.1

165.1
242.0
287.3
287.2
176.7
260.1
309.2
309.2
188.2
278.2
331.2
331.2
200.3
296.4
331.0
331.0
212.4
314.7
330.8
330.8

211.4
256.7
256.7
225.7
274.8
274.8
239.9
293.0
292.9
255.1
289.7
289.7
270.3
286.5
286.4

180.9
226.1
226.1
191.3
240.4
240.4
201.7
254.7
254.7
213.8
248.4
248.4
226.0
242.1
242.1

These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBH = 3.415 x kW). Refer to the appropriate Blower
Performance Table for the kW of the supply air blower motor.
These ratings include the condenser fan motors and the compressor motors but not the supply air blower motor.

Johnson Controls Unitary Products

33

246837-YTG-L-1012

CFM, STATIC PRESSURE, AND POWER - ALTITUDE AND TEMPERATURE CORRECTIONS

order to use the indoor blower tables for high altitude applications, certain corrections are necessary.

The information below should be used to assist in application
of product when being applied at altitudes at or exceeding
1000 feet above sea level.

A centrifugal fan is a "constant volume" device. This means
that, if the rpm remains constant, the CFM delivered is the
same regardless of the density of the air. However, since the
air at high altitude is less dense, less static pressure will be
generated and less power will be required than a similar
application at sea level. Air density correction factors are
shown in Table 34 and Figure 21.

The air flow rates listed in the standard blower performance
tables are based on standard air at sea level. As the altitude
or temperature increases, the density of air decreases. In

TABLE 34: ALTITUDE CORRECTION FACTORS
AIR TEMP
40
50
60
70
80
90
100

0
1.060
1.039
1.019
1.000
0.982
0.964
0.946

1000
1.022
1.002
0.982
0.964
0.947
0.929
0.912

2000
0.986
0.966
0.948
0.930
0.913
0.897
0.880

3000
0.950
0.931
0.913
0.896
0.880
0.864
0.848

ALTITUDE (FEET)
4000
5000
0.916
0.882
0.898
0.864
0.880
0.848
0.864
0.832
0.848
0.817
0.833
0.802
0.817
0.787

6000
0.849
0.832
0.816
0.801
0.787
0.772
0.758

7000
0.818
0.802
0.787
0.772
0.758
0.744
0.730

8000
0.788
0.772
0.757
0.743
0.730
0.716
0.703

9000
0.758
0.743
0.729
0.715
0.702
0.689
0.676

10000
0.729
0.715
0.701
0.688
0.676
0.663
0.651

The examples below will assist in determining the airflow performance of the product at altitude.

blower tables to select the blower speed and the BHP
requirement.

Example 1: What are the corrected CFM, static pressure,
and BHP at an elevation of 5,000 ft. if the blower performance
data is 6,000 CFM, 1.5 IWC and 4.0 BHP?

Solution: As in the example above, no temperature information is given so 70°F is assumed.

Solution: At an elevation of 5,000 ft the indoor blower will still
deliver 6,000 CFM if the rpm is unchanged. However, Table
34 must be used to determine the static pressure and BHP.
Since no temperature data is given, we will assume an air
temperature of 70°F. Table 34 shows the correction factor to
be 0.832.

The 1.5" static pressure given is at an elevation of 5,000 ft.
The first step is to convert this static pressure to equivalent
sea level conditions.
Sea level static pressure = 1.5 / .832 = 1.80"
Enter the blower table at 6000 sCFM and static pressure of
1.8". The rpm listed will be the same rpm needed at 5,000 ft.

Corrected static pressure = 1.5 x 0.832 = 1.248 IWC
Corrected BHP = 4.0 x 0.832 = 3.328
Example 2: A system, located at 5,000 feet of elevation, is to
deliver 6,000 CFM at a static pressure of 1.5". Use the unit

34

Suppose that the corresponding BHP listed in the table is 3.2.
This value must be corrected for elevation.
BHP at 5,000 ft = 3.2 x .832 = 2.66

Johnson Controls Unitary Products

246837-YTG-L-1012

	

  

	  	






 









	







 






	





	 	 







FIGURE 21 - ALTITUDE/TEMPERATURE CONVERSION FACTOR

Johnson Controls Unitary Products

35

246837-YTG-L-1012

TABLE 35: FAN PERFORMANCE - 25 TON1, 2
AIRFLOW CFM
4000
5000
6000
7000
8000
9000
10000
11000
12000
12500

0.2

4000
5000
6000
7000
8000
9000
10000
11000
12000
12500

1.4
BHP3
1.8
2.4
2.9
3.6
4.4
5.3
6.3
7.7
9.1
10.0

RPM
568
582
596
615
633
658
682
713
743
760

RPM
609
621
633
650
666
688
710
739
767
784

2.2

2.4
BHP3
3.5
4.3
5.0
5.8
6.7
7.8
8.9
10.5
12.0
12.9

RPM
743
754
766
777
788
804
819
841
863
876

AIRFLOW CFM
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000

RPM
365
396
427
459
491
527
563
605
647
664

1.2

AIRFLOW CFM
4000
5000
6000
7000
8000
9000
10000
11000
12000
12500

BHP3
0.5
0.9
1.2
1.8
2.3
3.2
4.2
5.5
6.8
7.4

RPM
302
341
380
416
452
492
532
578
623
639

AIRFLOW CFM

0.4

RPM
770
783
795
806
817
831
845
866
887
899

3.2
RPM
867
885
903
914
924
934
944
961
978
986

3.4
BHP3
5.4
6.4
7.3
8.3
9.3
10.6
11.9
13.6
15.2
16.2

RPM
890
909
928
939
949
959
968
984
1000
1008

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
0.6
0.8
BHP3
RPM
BHP3
RPM
BHP3
0.7
422
1.0
475
1.3
1.1
447
1.4
495
1.7
1.5
473
1.8
516
2.1
2.1
500
2.5
540
2.8
2.7
528
3.1
565
3.5
3.6
561
4.0
594
4.5
4.5
594
4.9
624
5.4
5.9
632
6.3
659
6.7
7.2
671
7.6
695
8.1
7.9
688
8.4
712
8.9

RPM
523
540
557
578
600
626
653
686
719
736

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
1.6
1.8
BHP3
RPM
BHP3
RPM
BHP3
2.2
646
2.5
681
2.8
2.7
657
3.1
692
3.5
3.3
669
3.7
702
4.1
4.0
683
4.5
716
4.9
4.8
698
5.3
729
5.7
5.8
718
6.3
747
6.8
6.8
738
7.3
766
7.8
8.2
765
8.8
791
9.3
9.7
791
10.2
815
10.8
10.6
807
11.2
830
11.7

RPM
713
724
735
747
759
776
793
816
839
853

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
2.6
2.8
BHP3
RPM
BHP3
RPM
3.9
796
4.3
821
4.7
810
5.1
836
5.4
824
5.9
851
6.3
834
6.8
861
7.2
844
7.7
871
8.3
857
8.9
883
9.5
870
10.1
896
11.1
890
11.7
914
933
12.6
910
13.2
921
14.2
943
13.6

BHP3
4.6
5.5
6.4
7.3
8.2
9.5
10.7
12.3
13.9
14.8

RPM
844
861
878
888
898
909
920
938
956
965

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
3.6
3.8
BHP3
RPM
BHP3
RPM
5.8
912
6.2
935
932
7.2
956
6.8
7.8
953
8.2
976
8.8
963
9.4
988
9.9
974
10.5
999
11.2
983
11.9
1007
12.6
992
13.2
1015
14.2
1007
14.9
1029
15.9
1022
16.6
1043
16.8
1029
17.5
1050

BHP3
6.6
7.6
8.7
9.9
11.2
12.5
13.8
15.6
17.3
18.2

RPM
958
979
1000
1012
1023
1030
1037
1051
1064
1070

1.0
BHP3
1.5
2.0
2.5
3.2
3.9
4.9
5.8
7.2
8.6
9.5

2.0
BHP3
3.2
3.9
4.5
5.4
6.2
7.3
8.4
9.9
11.4
12.3

3.0
BHP3
5.0
5.9
6.8
7.8
8.8
10.0
11.3
12.9
14.5
15.5

4.0
BHP3
6.9
8.0
9.1
10.5
11.8
13.2
14.5
16.2
18.0
19.0

1.

Fan performance is based on wet evaporator coils, clean 2” throwaway filters and system/cabinet effects at standard air density and 0 feet elevation.
Refer to Tables 10, 15, 21 and 38 for component additions and deductions to fan performance tables.
3.
BHP includes drive losses.
4. Shaded RPMs require Class II blower.
2.

36

Johnson Controls Unitary Products

246837-YTG-L-1012

7.5
00
11

7.0

M
RP

6.5
6.0
00
10

5.5

15

5.0

BH
P

0
90

4.5

10

7.5

4.0
80
0

3.5
3.0

70
0

2.5
600

2.0
1.5

500

A

1.0
0.5
0.0
0

1

2

3

4

5

6

7

8

9

10

11

12

CFM (x1000)
d d U it
FIGURE 22 - FAN PERFORMANCE - 25 TON

Johnson Controls Unitary Products

37

246837-YTG-L-1012

TABLE 36: FAN PERFORMANCE - 30 TON 1, 2
AIRFLOW (CFM)
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000

0.2

6000
7000
8000
9000
10000
11000
12000
13000
14000
15000

1.
2.
3.

1.4
BHP3
3.1
3.8
4.6
5.6
6.7
8.2
9.7
11.5
13.3
15.6

RPM
612
634
655
680
704
735
766
798
830
864

RPM
649
668
687
710
732
761
790
820
851
884

2.2

2.4
BHP3
5.1
6.1
7.0
8.3
9.5
11.0
12.5
14.6
16.6
18.9

RPM
779
793
807
823
839
862
884
909
935
963

AIRFLOW (CFM)
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000

RPM
450
485
519
554
588
629
671
709
748
786

1.2

AIRFLOW (CFM)
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000

BHP3
1.3
1.9
2.6
3.5
4.5
5.7
7.0
8.9
10.7
12.7

RPM
405
444
483
520
558
603
647
687
728
767

AIRFLOW (CFM)

0.4

RPM
808
822
836
850
865
886
907
931
956
982

3.2
RPM
916
928
941
952
964
981
997
1017
1037
1059

3.4
BHP3
7.4
8.6
9.8
11.2
12.6
14.1
15.7
17.9
20.2
22.6

RPM
940
953
965
976
987
1003
1019
1038
1056
1078

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
0.6
BHP3
RPM
BHP3
RPM
1.6
494
2.0
535
2.3
524
2.7
562
2.9
555
3.3
589
3.9
586
4.3
618
4.8
618
5.2
647
6.2
656
6.7
683
7.5
695
8.1
718
9.3
731
9.9
753
11.2
768
11.6
789
13.2
805
13.8
825
AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
1.6
BHP3
RPM
BHP3
RPM
3.5
683
3.9
717
4.3
701
4.7
733
5.1
719
5.5
749
6.1
739
6.6
768
7.2
760
7.7
787
8.7
787
9.3
812
10.3
814
10.8
837
12.1
843
12.7
865
13.9
872
14.6
893
16.3
904
16.9
923
AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
2.6
BHP3
RPM
BHP3
RPM
5.5
837
6.0
864
6.6
850
7.0
877
7.6
863
8.1
890
8.8
877
9.4
902
10.1
890
10.7
915
934
11.6
910
12.2
930
13.8
953
13.2
15.2
953
15.9
975
17.3
976
18.0
997
19.6
1002
20.4
1021
AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
3.6
BHP3
RPM
BHP3
RPM
7.9
964
8.3
988
9.1
977
9.6
1000
10.3
989
10.9
1013
11.8
1000
12.4
1023
13.2
1010
13.9
1033
14.8
1025
15.5
1047
16.4
1040
17.1
1061
18.6
1058
19.4
1078
20.9
1076
21.6
1094
23.3
1097
24.1
1115

0.8

1.0
BHP3
2.3
3.0
3.7
4.7
5.7
7.2
8.6
10.4
12.2
14.4

RPM
575
599
623
649
676
709
742
776
809
845

BHP3
4.3
5.1
6.0
7.2
8.3
9.8
11.4
13.3
15.2
17.6

RPM
748
763
779
796
813
837
861
887
914
943

BHP3
6.4
7.5
8.6
10.0
11.3
12.9
14.4
16.5
18.7
21.1

RPM
890
903
916
928
940
957
975
996
1017
1040

BHP3
8.8
10.1
11.5
13.0
14.5
16.1
17.8
20.1
22.4
24.9

RPM
1011
1023
1035
1045
1055
1069
1082
1097
1113
1134

1.8

BHP3
2.7
3.4
4.2
5.2
6.2
7.7
9.2
10.9
12.7
15.0

2.0

2.8

BHP3
4.7
5.6
6.5
7.7
8.9
10.4
12.0
13.9
15.9
18.3

3.0

3.8

BHP3
6.9
8.1
9.2
10.6
12.0
13.5
15.0
17.2
19.4
21.8

4.0
BHP3
9.3
10.7
12.0
13.6
15.1
16.8
18.5
20.8
23.1
25.7

Fan performance is based on wet evaporator coils, clean 2” throwaway filters and system/cabinet effects at standard air density and 0 feet elevation.
Refer to Tables 10, 15, 21 and 38 for component additions and deductions to fan performance tables.
BHP includes drive losses.

4. Shaded RPMs require Class II blower.

38

Johnson Controls Unitary Products

246837-YTG-L-1012

30 Ton Forward Curv
8.0
7.5

R
00
11

7.0

PM

6.5
6.0

BH
P

15

5.0
0
90

4.5

10

4.0
80

3.5

0

Total Static Pressure (IWG)

20

00
10

5.5

3.0
70

0

2.5

A

2.0

600

1.5

500

1.0
0.5
0.0
0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

CFM (x1000)
A - Standard Unit
Note: Standard Unit includes wet evaporator coil, clean 2" throwaway filters, system
and cabinet effects at standard air density and 0' elevation.

FIGURE 23 - FAN PERFORMANCE - 30 TON
FIGURE 23 - FAN PERFORMANCE - 30 TON

Johnson Controls Unitary Products

39

246837-YTG-L-1012

TABLE 37: FAN PERFORMANCE - 40 TON1,2
AIRFLOW (CFM)
8000
9000
10000
11000
12000
13000
14000
15000
16000
17000
18000

0.2

8000
9000
10000
11000
12000
13000
14000
15000
16000
17000
18000

1.
2.
3.

1.4
BHP3
4.2
5.0
5.7
6.8
7.9
9.1
10.3
11.9
13.5
15.4
17.3

RPM
552
567
582
602
621
639
657
678
699
720
740

RPM
583
596
610
628
647
664
681
700
720
740
760

2.2

2.4
BHP3
6.7
7.7
8.7
9.9
11.1
12.5
14.0
15.6
17.3
19.4
21.5

RPM
690
701
712
726
740
755
769
785
801
819
836

AIRFLOW (CFM)
8000
9000
10000
11000
12000
13000
14000
15000
16000
17000
18000

RPM
409
433
458
486
513
535
557
584
612
635
659

1.2

AIRFLOW (CFM)
8000
9000
10000
11000
12000
13000
14000
15000
16000
17000
18000

BHP3
1.9
2.5
3.1
4.0
5.0
5.9
6.9
8.4
9.8
11.7
13.6

RPM
367
396
424
454
484
507
530
560
589
613
638

AIRFLOW (CFM)

0.4

RPM
713
725
736
749
762
776
790
805
820
837
855

3.2
RPM
799
811
823
834
846
858
870
882
895
910
925

3.4
BHP3
9.3
10.6
11.9
13.3
14.6
16.3
17.9
19.7
21.5
23.8
26.0

RPM
819
831
843
855
866
877
889
901
913
928
-

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
0.6
BHP3
RPM
BHP3
RPM
2.3
448
2.8
485
3.0
469
3.5
504
3.6
491
4.1
523
4.5
516
5.1
546
5.5
542
6.1
569
6.5
562
7.1
589
7.6
583
8.2
608
9.1
609
9.7
632
10.5
634
11.3
656
12.4
657
13.1
678
14.3
680
15.0
700
AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
1.6
BHP3
RPM
BHP3
RPM
4.7
612
5.2
639
5.5
624
6.0
651
6.3
637
6.9
663
7.4
654
8.0
679
8.5
671
9.1
695
9.7
687
10.4
710
11.0
704
11.7
726
12.6
722
13.3
744
14.2
741
15.0
761
16.1
760
16.9
780
799
18.1
780
18.9
AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
2.6
BHP3
RPM
BHP3
RPM
7.2
736
7.7
758
8.2
747
8.8
769
9.3
759
9.9
781
793
10.5
771
11.2
805
11.8
784
12.5
797
14.0
818
13.3
811
15.5
831
14.7
16.4
825
17.2
845
18.1
839
19.0
858
20.3
856
21.1
874
22.4
873
23.3
890
AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
3.6
BHP3
RPM
BHP3
RPM
9.9
839
10.6
859
11.3
851
11.9
871
12.6
863
13.3
883
14.0
874
14.7
894
15.4
885
16.1
905
17.0
896
17.8
915
18.7
908
19.5
926
20.5
919
21.4
937
22.4
931
23.3
948
24.7
945
25.6
962
-

0.8

1.0
BHP3
3.3
4.0
4.6
5.6
6.6
7.8
8.9
10.4
12.0
13.8
15.7

RPM
519
536
553
574
596
614
633
655
678
699
721

BHP3
5.7
6.6
7.4
8.6
9.8
11.1
12.5
14.1
15.8
17.8
19.7

RPM
665
677
688
703
718
733
748
765
781
799
818

BHP3
8.2
9.4
10.6
11.9
13.2
14.7
16.3
18.0
19.8
22.0
24.2

RPM
779
790
802
814
826
838
851
864
877
892
908

BHP3
11.2
12.6
13.9
15.4
16.8
18.6
20.3
22.2
24.2
-

RPM
879
891
902
913
924
934
944
955
966
-

1.8

BHP3
3.8
4.5
5.2
6.2
7.2
8.4
9.6
11.2
12.7
14.6
16.5

2.0

2.8

BHP3
6.2
7.1
8.0
9.2
10.4
11.8
13.2
14.9
16.5
18.6
20.6

3.0

3.8

BHP3
8.8
10.0
11.2
12.6
13.9
15.5
17.1
18.9
20.6
22.9
25.1

4.0
BHP3
11.9
13.3
14.6
16.1
17.5
19.3
21.1
23.1
25.1
-

Fan performance is based on wet evaporator coils, clean 2” throwaway filters and system/cabinet effects at standard air density and 0 feet elevation.
Refer to Tables 12, 18, 23 and 38 for component additions and deductions to fan performance tables.
BHP includes drive losses.

4. Shaded RPMs require Class II blower.

40

Johnson Controls Unitary Products

246837-YTG-L-1012

40 Ton Forward Curve
7.0
6.5
6.0
90
0R
PM

5.5

B
25
P

20

4.5

80
0

4.0

15

Total Static Pressure (IWG)

H

5.0

3.5

10

70
0

3.0
2.5

A

600

2.0
500

1.5
400

1.0

300

0.5
0.0
0

2

4

6

8

10

12

14

16

18

20

CFM (x1000)
A - Standard Unit
Note: Standard Unit includes wet evaporator coil, clean 2" throwaway filters, system
and cabinet effects at standard air density and 0' elevation.

FIGURE 24 - FAN PERFORMANCE - 40 TON

Johnson Controls Unitary Products

41

246837-YTG-L-1012

TABLE 38: COMPONENT STATIC RESISTANCE1, 2
COMPONENT COIL
LOSSES

CFM
4,000

6,000

8,000

10,000

12,000

14,000

16,000

18,000

COIL LOSSES 25T
3 Row, 16 FPI, dry
3 Row, 16 FPI, wet

-0.14
Baseline

-0.18
Baseline

-0.24
Baseline

-0.34
Baseline

-0.45
Baseline

-

-

-

COIL LOSSES 30T
4 Row, 16 FPI, dry
4 Row, 16 FPI, wet

-0.18
Baseline

-0.22
Baseline

-0.32
Baseline

-0.45
Baseline

-0.60
Baseline

-0.76
Baseline

-

-

COIL LOSSES 40T
4 Row, 16 FPI, dry
4 Row, 16 FPI, wet

-0.15
Baseline

-0.22
Baseline

-0.26
Baseline

-0.31
Baseline

-0.42
Baseline

-0.53
Baseline

-.0.65
Baseline

-0.79
Baseline

FILTER LOSSES
2” TA or HI EFF.
Rigid 6”, 65%
Rigid 6”, 95%

Baseline
0.06
0.13

Baseline
0.12
0.26

Baseline
0.19
0.41

Baseline
0.27
0.60

Baseline
0.36
0.81

Baseline
0.46
1.04

Baseline
0.58
1.29

Baseline
0.70
1.57

IGV LOSSES
25 & 30 Ton F.C.
40 Ton F.C.

0.02
0.01

0.05
0.03

0.08
0.05

0.13
0.08

0.19
0.11

0.26
0.15

0.34
0.19

0.43
0.25

GAS HEAT
267 MBH Heat
533 MBH Heat
800 MBH Heat

0.07
0.14
0.21

0.11
0.21
0.32

0.14
0.28
0.42

0.18
0.35
0.53

0.21
0.42
0.64

0.25
0.49
0.74

0.28
0.57
0.85

0.32
0.64
0.95

ELECTRIC HEAT
40KW
80KW
108KW

0.01
0.01
0.02

0.02
0.04
0.05

0.04
0.08
0.10

0.06
0.13
0.15

0.10
0.20
0.31

0.20
0.31
0.43

0.31
0.44
0.53

0.40
0.56
0.68

ECONOMIZER

0.03

0.06

0.10

0.15

0.21

0.28

0.35

0.43

POWER EXHAUST

0.02

0.05

0.08

0.13

0.18

0.25

0.32

0.41

1.
2.

42

Baseline losses based on system/cabinet effects, wet standard coil and 2” throwaway filters at 70°F, 0 feet elevation with standard air.
See Tables 10, 12, 15, 18 and 21 for hot water and steam water coil static resistance.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 39: POWER EXHAUST - ONE FORWARD CURVED FAN 25 TON1

BHP2
----0.7
1.2
1.9
3.0
3.8
5.8
8.4

RPM
2000
3000
4000
5000
6000
7000
8000
9000
10000

----442
524
612
703
791
877
967

RPM

1.
2.

RPM
--450
496
566
646
731
821
911
1004

754
736
743
768
806
857
921
995
1077

BHP2
--0.4
0.8
1.4
2.2
3.3
4.3
6.2
8.8

RPM
524
531
562
609
679
759
844
932
1022

BHP2
0.3
0.5
0.9
1.5
2.4
3.5
4.8
6.5
9.1

RPM
609
605
626
663
717
787
868
953
1041

1.0
BHP2
0.4
0.7
1.1
1.7
2.6
3.7
5.2
6.9
9.4

BHP2
0.7
1.0
1.4
2.0
2.9
4.2
5.7
7.6
10.1

RPM
819
797
799
818
850
895
953
1020
1096

BHP2
0.8
1.1
1.5
2.2
3.1
4.4
6.0
8.0
10.4

RPM
878
854
850
865
895
933
985
1048
1119

BHP2
0.9
1.3
1.7
2.4
3.3
4.6
6.2
8.3
10.8

RPM
933
909
900
911
937
972
1018
1075
1143

BHP2
0.6
0.8
1.2
1.8
2.7
4.0
5.5
7.3
9.8

RPM
685
672
687
717
762
820
892
974
1059

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
1.4
1.6
1.8

1.2

AIRFLOW CFM
2000
3000
4000
5000
6000
7000
8000
9000
10000

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
0.4
0.6
0.8

0.2

AIRFLOW CFM

2.0
BHP2
1.1
1.5
1.9
2.6
3.6
4.8
6.5
8.5
11.1

RPM
986
961
948
955
978
1010
1052
1103
1167

BHP2
1.2
1.7
2.1
2.8
3.8
5.0
6.8
8.8
11.4

Fan performance is based on system/cabinet effects and back draft damper effects at standard air density and 0 feet of elevation.
BHP includes 5% drive losses.

Johnson Controls Unitary Products

43

246837-YTG-L-1012

FIGURE 25 - POWER EXHAUST - ONE FORWARD CURVE FAN - 25 TONS

44

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 40: POWER EXHAUST - TWO FORWARD CURVED FANS - 30 & 40 TON1
0.2

AIRFLOW CFM

BHP2 3
0.3
0.5
0.8
1.3
1.8
2.4
3.3
4.3
5.5
6.9
8.5
10.4
12.6

RPM
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000
16000

363
402
445
494
544
597
651
705
761
817
874
932
989

RPM

1.
2.
3.

468
494
527
565
609
654
703
753
805
858
912
967
1022

783
788
798
814
837
866
900
936
976
1018
1061
1107
---

1.4
BHP2 3
1.5
1.8
2.2
2.8
3.5
4.3
5.3
6.4
7.8
9.3
11.1
13.2
---

RPM
844
848
855
869
889
915
945
979
1016
1055
1098
1141
---

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
.06
BHP2 3
0.5
0.7
1.1
1.6
2.1
2.8
3.7
4.7
5.9
7.4
9.0
10.9
13.2

RPM

1.2

AIRFLOW CFM
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000
16000

0.4

RPM
560
576
602
633
670
711
754
801
849
899
950
1002
1055

BHP2 3
0.7
1.1
1.4
1.8
2.4
3.2
4.0
5.1
6.3
7.8
9.6
11.6
13.8

RPM
903
906
911
922
938
961
989
1020
1055
1093
1133
1175
---

BHP2 3
1.9
2.4
2.9
3.5
4.2
5.1
6.2
7.4
8.7
10.4
12.3
14.4
---

RPM
956
959
963
972
987
1007
1032
1061
1094
1129
1167
1208
---

1.0
BHP2 3
0.9
1.3
1.7
2.1
2.7
3.5
4.4
5.6
6.8
8.3
10.0
12.1
14.3

641
652
670
697
729
765
805
847
893
939
988
1037
1088

AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
1.6
BHP2 3
1.7
2.1
2.6
3.2
3.9
4.7
5.7
6.9
8.3
9.9
11.7
13.8
---

0.8

RPM

BHP2 3
1.2
1.5
2.0
2.5
3.2
3.9
4.8
6.0
7.2
8.8
10.5
12.6
---

RPM
716
722
735
757
784
817
853
893
934
979
1025
1072
---

1.8

2
BHP2 3
2.2
2.6
3.3
3.9
4.6
5.6
6.6
7.9
9.2
10.9
12.9
14.9
---

RPM
1008
1011
1014
1021
1033
1050
1073
1101
1131
1165
1202
1240
---

BHP2 3
2.4
2.9
3.6
4.2
5.0
6.0
7.1
8.3
9.8
11.6
13.4
15.5
---

Fan performance is based on system/cabinet effects and back draft damper effects at standard air density and 0 feet of elevation.
BHP includes the sum of both exhaust fan blowers.
BHP includes 5% drive losses.

Johnson Controls Unitary Products

45

246837-YTG-L-1012

FIGURE 26 - POWER EXHAUST - TWO FORWARD CURVED FANS - 30 & 40 TONS

46

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 41: ELECTRICAL DATA 25 TON BASIC UNIT R-410A
Compressors (each)

OD Fan Motors

Supply Blower
Motor
HP

FLA

7.5
10
15
20
7.5
10
15
20
7.5
10
15
20
7.5
10
15
20

24.2
30.8
46.2
59.4
22
28
42
54
11
14
21
27
9
11
17
22

Voltage
Qty

RLA

LRA

MCC

Qty

FLA

208-3-60

4

22.4

149

35

4

4.5

230-3-60

4

22.4

149

35

4

4.3

460-3-60

4

10.6

75

16.5

4

2.15

575-3-60

4

7.7

54

12

4

1.7

1.
2.
3.

MCA1
(Amps)
138
146
165
182
134
142
159
174
65
69
77
85
49
51
59
65

Max Fuse2/
Breaker3
Size
(Amps)
150
175
200
225
150
150
200
225
70
80
90
110
50
60
70
80

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

TABLE 42: ELECTRICAL DATA 30 TON BASIC UNIT R-410A
Compressors (each)

OD Fan Motors

Supply Blower
Motor

Qty

HP

FLA

10
15
25
20
10
15
25
20
10
15
20
25
10
15
20
25

30.8
46.2
74.8
59.4
28
42
68
54
14
21
27
34
11
17
22
27

Voltage
Qty

RLA

LRA

MCC

FLA

208-3-60

4

25.0

164

39

4

5.8

230-3-60

4

25.0

164

39

4

5.8

460-3-60

4

12.0

100

19

4

2.9

575-3-60

4

9.0

78

14

4

2.2

1.
2.
3.

MCA1
(Amps)
162
181
217
197
158
176
208
191
77
86
93
102
59
66
72
79

Max Fuse2/
Breaker3
Size
(Amps)
175
225
250
250
175
200
250
225
90
100
110
125
60
80
90
100

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

47

246837-YTG-L-1012

TABLE 43: ELECTRICAL DATA 40 TON BASIC UNIT R-410A
Compressors (each)

OD Fan Motors

Supply Blower
Motor
HP

FLA

10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25

30.8
46.2
59.4
74.8
28
42
54
68
14
21
27
34
11
17
22
27

Voltage
Qty

RLA

LRA

MCC

Qty

FLA

208-3-60

4

30.1

255

47

4

5.8

230-3-60

4

30.1

255

47

4

5.8

460-3-60

4

16.7

114

26

4

2.9

575-3-60

4

12.2

80

19

4

2.2

1.
2.
3.

48

MCA1
(Amps)
182
201
218
237
179
196
211
229
97
105
112
121
72
79
85
91

Max Fuse2/
Breaker3
Size
(Amps)
200
225
250
300
200
225
250
250
110
125
125
150
80
90
100
110

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 44: ELECTRICAL DATA 25 TON w/ELECTRIC HEAT R-410A
Voltage
Qty

208-3-60

230-3-60

460-3-60

575-3-60

1.
2.
3.

OD Fan
Motors
(each)

Compressors
(each)

4

4

4

4

RLA

22.4

22.4

10.6

7.7

LRA

149

149

75

54

MCC

35

35

16.5

12

FLA

4.5

4.3

2.15

1.7

Supply Blower
Motor
HP

FLA

7.5
10
15
20
7.5
10
15
20
7.5
10
15
20
7.5
10
15
20
7.5
10
15
20
7.5
10
15
20
7.5
10
15
20
7.5
10
15
20
7.5
10
15
20
7.5
10
15
20

24.2
30.8
46.2
59.4
24.2
30.8
46.2
59.4
22
28
42
54
22
28
42
54
11
14
21
27
11
14
21
27
11
14
21
27
9
11
17
22
9
11
17
22
9
11
17
22

Electric Heat Option

MCA1
(Amps)

Option

KW

Applied

Stages

Amps

E4

40

30

1

83

E8

80

60

2

167

E4

40

36.8

1

92

E8

80

73.6

2

184

E4

40

36.8

1

46

E8

80

73.6

2

92

E1

108

99.4

3

125

E4

40

36.8

1

40

E8

80

73.6

2

80

E1

108

99.4

3

108

138
146
165
182
197
205
225
241
143
150
168
183
212
220
237
252
71
75
84
91
106
110
119
126
138
142
151
158
62
64
72
78
92
94
102
108
120
122
130
136

Max Fuse2/
Breaker3
Size
(Amps)
150
175
200
225
225
225
250
300
150
150
200
225
250
250
250
300
80
80
90
110
125
125
125
150
150
175
175
175
70
70
80
80
110
110
110
125
150
150
150
150

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

49

246837-YTG-L-1012

TABLE 45: ELECTRICAL DATA 30 TON w/ELECTRIC HEAT R-410A
Voltage
Qty

208-3-60

230-3-60

460-3-60

575-3-60

1.
2.
3.

50

OD Fan
Motors
(each)

Compressors
(each)

4

4

4

4

RLA

25.0

25.0

12.0

9.0

LRA

164

164

100

78

MCC

39

39

19

14

FLA

5.8

5.8

2.9

2.2

Supply Blower
Motor
HP

FLA

10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25

30.8
46.2
59.4
74.8
30.8
46.2
59.4
74.8
28
42
54
68
28
42
54
68
14
21
27
34
14
21
27
34
14
21
27
34
11
17
22
27
11
17
22
27
11
17
22
27

Electric Heat Option

MCA1
(Amps)

Option

KW

Applied

Stages

Amps

E4

40

30

1

83

E8

80

60

2

167

E4

40

36.8

1

92

E8

80

73.6

2

184

E4

40

36.8

1

46

E8

80

73.6

2

92

E1

108

99.4

3

125

E4

40

36.8

1

40

E8

80

73.6

2

80

E1

108

99.4

3

108

162
181
197
217
205
225
241
260
158
176
191
208
220
237
252
270
77
86
93
102
110
119
126
135
142
151
158
167
64
72
78
84
94
102
108
114
122
130
136
142

Max Fuse2/
Breaker3
Size
(Amps)
175
225
250
250
225
250
300
300
175
200
225
250
250
250
300
300
90
100
110
125
125
125
150
150
175
175
175
200
70
80
90
100
110
110
125
125
150
150
150
150

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 46: ELECTRICAL DATA 40 TON w/ELECTRIC HEAT R-410A
Voltage
Qty

208-3-60

230-3-60

460-3-60

575-3-60

1.
2.
3.

OD Fan
Motors
(each)

Compressors
(each)

4

4

4

4

RLA

30.1

30.1

16.7

12.2

LRA

255

255

114

80

MCC

47

47

26

19

FLA

5.8

5.8

2.9

2.2

Supply Blower
Motor
HP

FLA

10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25
10
15
20
25

30.8
46.2
59.4
74.8
30.8
46.2
59.4
74.8
28
42
54
68
28
42
54
68
14
21
27
34
14
21
27
34
14
21
27
34
11
17
22
27
11
17
22
27
11
17
22
27

Electric Heat Option

MCA1
(Amps)

Option

KW

Applied

Stages

Amps

E4

40

30

1

83

E8

80

60

2

167

E4

40

36.8

1

92

E8

80

73.6

2

184

E4

40

36.8

1

46

E8

80

73.6

2

92

E1

108

99.4

3

125

E4

40

36.8

1

40

E8

80

73.6

2

80

E1

108

99.4

3

108

182
201
218
237
205
225
241
260
179
196
211
229
220
237
252
270
97
105
112
121
110
119
126
135
142
151
158
167
72
79
85
91
94
102
108
114
122
130
136
142

Max Fuse2/
Breaker3
Size
(Amps)
200
225
250
300
225
250
300
300
200
225
250
250
250
250
300
300
110
125
125
150
125
125
150
150
175
175
175
200
80
90
100
110
110
110
125
125
150
150
150
150

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

51

246837-YTG-L-1012

TABLE 47: ELECTRICAL DATA 25 TON w/POWER EXHAUST R-410A
Voltage
Qty

208-3-60

230-3-60

460-3-60

575-3-60

1.
2.
3.

52

OD Fan
Motors
(each)

Compressors
(each)

4

4

4

4

RLA

22.4

22.4

10.6

7.7

LRA

149

149

75

54

MCC

35

35

16.5

12

FLA

Supply Blower
Motor
HP

FLA

7.5

24.2

10

30.8

15

46.2

20

59.4

7.5

22

10

28

15

42

20

54

7.5

11

10

14

15

21

20

27

7.5

9

10

11

15

17

20

22

4.5

4.3

2.15

1.7

Pwr Exh Motor
HP

FLA

5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10

16.7
24.2
30.8
16.7
24.2
30.8
16.7
24.2
30.8
16.7
24.2
30.8
15.2
22
28
15.2
22
28
15.2
22
28
15.2
22
28
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11

MCA1
(Amps)
155
162
170
163
170
177
182
190
196
199
206
213
150
156
164
157
164
170
175
181
187
190
196
202
72
76
80
76
80
83
85
88
91
92
96
99
55
58
60
57
60
62
65
68
70
71
74
76

Max Fuse2/
Breaker3
Size
(Amps)
175
175
200
175
200
200
225
225
225
250
250
250
150
175
175
175
175
175
200
200
225
225
250
250
80
80
90
90
90
90
100
100
110
110
110
125
60
60
70
60
70
70
80
80
80
90
90
90

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 48: ELECTRICAL DATA 30 TON w/POWER EXHAUST R-410A
Voltage
Qty

208-3-60

230-3-60

460-3-60

575-3-60

1.
2.
3.

OD Fan
Motors
(each)

Compressors
(each)

4

4

4

4

RLA

25.0

25.0

12.0

9.0

LRA

164

164

100

78

MCC

39

39

19

14

Qty

4

4

4

4

Supply Blower
Motor

FLA

HP

FLA

10

30.8

15

46.2

20

59.4

25

74.8

10

28

15

42

20

54

25

68

10

14

15

21

20

27

25

34

10

11

15

17

20

22

25

27

5.8

5.8

2.9

2.2

Pwr Exh Motor
HP

FLA

7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15

24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
22
28
42
22
28
42
22
28
42
22
28
42
11
14
21
11
14
21
11
14
21
11
14
21
9
11
17
9
11
17
9
11
17
9
11
17

MCA1
(Amps)
186
193
212
205
212
227
222
228
244
241
248
263
180
186
204
198
204
218
213
219
233
230
236
250
88
91
100
97
100
107
104
107
114
113
116
123
68
70
77
75
77
83
81
83
89
88
90
96

Max Fuse2/
Breaker3
Size
(Amps)
200
200
250
250
250
250
250
250
300
300
300
300
200
200
225
225
225
250
250
250
250
250
300
300
100
100
110
110
110
125
125
125
125
125
150
150
70
80
90
90
90
100
100
100
110
110
110
110

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

53

246837-YTG-L-1012

TABLE 49: ELECTRICAL DATA 40 TON w/POWER EXHAUST R-410A
Voltage
Qty

208-3-60

230-3-60

460-3-60

575-3-60

1.
2.
3.

54

OD Fan
Motors
(each)

Compressors
(each)

4

4

4

4

RLA

30.1

30.1

16.7

12.2

LRA

225

225

114

80

MCC

47.0

47.0

26.0

19.0

Qty

4

4

4

4

Supply Blower
Motor

FLA

HP

FLA

10

30.8

15

46.2

20

59.4

25

74.8

10

28.0

15

42.0

20

54.0

25

68.0

10

14.0

15

21.0

20

27.0

25

34.0

10

11.0

15

17.0

20

22.0

25

27.0

5.8

5.2

2.6

2.2

Pwr Exh Motor
HP

FLA

7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15

24
31
46
24
31
46
24
31
46
24
31
46
22
28
42
22
28
42
22
28
42
22
28
42
11
14
21
11
14
21
11
14
21
11
14
21
9
11
17
9
11
17
9
11
17
9
11
17

MCA1
(Amps)
206
213
232
226
232
248
242
249
264
261
268
283
199
205
222
216
222
236
231
237
251
248
254
268
108
111
119
116
119
126
123
126
133
132
135
142
81
83
90
88
90
96
94
96
102
100
102
108

Max Fuse2/
Breaker3
Size
(Amps)
225
225
250
250
250
250
300
300
300
300
300
350
225
225
250
250
250
250
250
250
300
300
300
300
110
125
125
125
125
150
150
150
150
150
150
175
90
90
100
100
100
110
110
110
110
125
125
125

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 50: ELECTRICAL DATA 25 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

KW

40

Stages

Amps

1

83

Qty

4

RLA

22.4

LRA

149

OD Fan Motors
(each)
MCC

35

Qty

4

FLA

Supply Blower
Motor
HP

FLA

7.5

24.2

10

30.8

15

46.2

20

59.4

7.5

24.2

10

30.8

15

46.2

20

59.4

7.5

22

10

28

15

42

20

54

7.5

22

10

28

15

42

20

54

4.5

208-3-60

E8

E4

80

40

2

1

167

92

4

4

22.4

22.4

149

149

35

35

4

4

4.5

4.3

230-3-60

E8

80

2

Johnson Controls Unitary Products

184

4

22.4

149

35

4

4.3

Pwr Exh Motor
HP

FLA

5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10

16.7
24.2
30.8
16.7
24.2
30.8
16.7
24.2
30.8
16.7
24.2
30.8
16.7
24.2
30.8
16.7
24.2
30.8
16.7
24.2
30.8
16.7
24.2
30.8
15.2
22
28
15.2
22
28
15.2
22
28
15.2
22
28
15.2
22
28
15.2
22
28
15.2
22
28
15.2
22
28

MCA1
(Amps)
155
162
170
163
170
177
182
190
196
199
206
213
214
221
230
222
230
236
241
249
256
258
265
272
158
165
172
166
172
178
183
190
196
198
205
211
227
234
242
235
242
248
252
259
265
267
274
280

Max Fuse2/
Breaker3
Size
(Amps)
175
175
200
175
200
200
225
225
225
250
250
250
225
225
250
250
250
250
250
250
300
300
300
300
175
175
175
175
175
200
200
200
225
225
250
250
250
250
250
250
250
250
300
300
300
300
300
300

55

246837-YTG-L-1012

TABLE 50: ELECTRICAL DATA 25 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A (CONT.)
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

460-3-60

E8

E1

56

KW

40

80

108

Stages

1

2

3

Amps

46

92

125

Qty

4

4

4

RLA

10.6

10.6

10.6

LRA

75

75

75

OD Fan Motors
(each)
MCC

16.5

16.5

16.5

Qty

4

4

4

FLA

Supply Blower
Motor
HP

FLA

7.5

11

10

14

15

21

20

27

7.5

11

10

14

15

21

20

27

7.5

11

10

14

15

21

20

27

2.15

2.15

2.15

Pwr Exh Motor
HP

FLA

5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10

7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14
7.6
11
14

MCA1
(Amps)
79
82
86
83
86
89
92
95
98
99
102
105
114
117
121
117
121
124
126
130
133
134
137
140
146
149
153
150
153
156
158
162
165
166
169
172

Max Fuse2/
Breaker3
Size
(Amps)
80
90
90
90
90
90
100
100
110
110
110
125
125
125
125
125
125
125
150
150
150
150
150
150
175
175
175
175
175
175
175
175
175
175
175
175

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 50: ELECTRICAL DATA 25 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A (CONT.)
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

575-3-60

E8

E1

1.
2.
3.

KW

40

80

108

Stages

Amps

1

2

3

40

80

108

Qty

4

4

4

RLA

7.7

7.7

4

LRA

54

54

7.7

OD Fan Motors
(each)
MCC

12

12

54

Qty

4

4

12

FLA

Supply Blower
Motor
HP

FLA

7.5

9

10

11

15

17

20

22

7.5

9

10

11

15

17

20

22

7.5

9

10

11

15

17

20

22

1.7

1.7

4

Pwr Exh Motor
HP

FLA

5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10
5
7.5
10

6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11
6.1
9
11

MCA1
(Amps)
68
71
73
70
73
75
78
81
83
84
87
89
98
101
103
100
103
105
108
111
113
114
117
119
126
129
131
128
131
133
136
139
141
142
145
147

Max Fuse2/
Breaker3
Size
(Amps)
70
70
80
70
80
80
80
90
90
90
90
100
110
110
110
110
110
110
110
125
125
125
125
125
150
150
150
150
150
150
150
150
150
150
150
150

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

57

246837-YTG-L-1012

TABLE 51: ELECTRICAL DATA 30 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

KW

40

Stages

1

Amps

83

Qty

4

RLA

25.0

LRA

164

OD Fan Motors
(each)
MCC

39

Qty

4

FLA

Supply Blower
Motor
HP

FLA

10

30.8

15

46.2

20

59.4

25

74.8

10

30.8

15

46.2

20

59.4

25

74.8

10

28

15

42

20

54

25

68

10

28

15

42

20

54

25

68

5.8

208-3-60

E8

E4

80

40

2

1

167

92

4

4

25.0

25.0

164

164

39

39

4

4

5.8

5.8

230-3-60

E8

58

80

2

184

4

25.0

164

39

4

5.8

Pwr Exh Motor
HP

FLA

7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15

24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
22
28
42
22
28
42
22
28
42
22
28
42
22
28
42
22
28
42
22
28
42
22
28
42

MCA1
(Amps)
186
193
212
205
212
227
222
228
244
241
248
263
230
236
256
249
256
271
265
272
287
285
291
307
180
186
204
198
204
218
213
219
233
230
236
250
242
248
265
259
265
279
274
280
294
292
298
312

Max Fuse2/
Breaker3
Size
(Amps)
200
200
250
250
250
250
250
250
300
300
300
300
250
250
300
250
300
300
300
300
300
350
350
350
200
200
225
225
225
250
250
250
250
250
300
300
250
250
300
300
300
300
300
300
300
350
350
350

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 51: ELECTRICAL DATA 30 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A (CONT.)
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

460-3-60

E8

E1

KW

40

80

108

Stages

Amps

1

2

3

Johnson Controls Unitary Products

46

92

125

Qty

4

4

4

RLA

12.0

12.0

12.0

LRA

100

100

100

OD Fan Motors
(each)
MCC

19

19

19

Qty

4

4

4

FLA

Supply Blower
Motor
HP

FLA

10

14

15

21

20

27

25

34

10

14

15

21

20

27

25

34

10

14

15

21

20

27

25

34

2.9

2.9

2.9

Pwr Exh Motor
HP

FLA

7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15

11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21

MCA1
(Amps)
88
91
100
97
100
107
104
107
114
113
116
123
121
124
133
130
133
140
137
140
147
146
149
156
153
156
165
162
165
172
169
172
179
178
181
188

Max Fuse2/
Breaker3
Size
(Amps)
100
100
110
110
110
125
125
125
125
125
150
150
125
125
150
150
150
150
150
150
150
175
175
175
175
175
175
175
175
175
175
175
200
200
200
200

59

246837-YTG-L-1012

TABLE 51: ELECTRICAL DATA 30 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A (CONT.)
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

575-3-60

E8

E1

1.
2.
3.

60

KW

40

80

108

Stages

1

2

3

Amps

40

80

108

Qty

4

4

4

RLA

9.0

9.0

9.0

LRA

78

78

78

OD Fan Motors
(each)
MCC

14

14

14

Qty

4

4

4

FLA

Supply Blower
Motor
HP

FLA

10

11

15

17

20

22

25

27

10

11

15

17

20

22

25

27

10

11

15

17

20

22

25

27

2.2

2.2

2.2

Pwr Exh Motor
HP

FLA

7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15

9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17

MCA1
(Amps)
73
75
83
81
83
89
87
89
95
93
95
101
103
105
113
111
113
119
117
119
125
123
125
131
131
133
141
139
141
147
145
147
153
151
153
159

Max Fuse2/
Breaker3
Size
(Amps)
80
80
90
90
90
100
100
100
110
110
110
110
110
110
125
125
125
125
125
125
125
150
150
150
150
150
150
150
150
150
150
150
175
175
175
175

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 52: ELECTRICAL DATA 40 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

KW

40

Stages

Amps

1

83

Qty

4

RLA

30.1

LRA

255

OD Fan Motors
(each)
MCC

47

Qty

4

FLA

Supply Blower
Motor
HP

FLA

10

30.8

15

46.2

20

59.4

25

74.8

10

30.8

15

46.2

20

59.4

25

74.8

10

28

15

42

20

54

25

68

10

28

15

42

20

54

25

68

5.8

208-3-60

E8

E4

80

40

2

1

167

92

4

4

30.1

30.1

255

255

47

47

4

4

5.8

5.8

230-3-60

E8

80

2

Johnson Controls Unitary Products

184

4

30.1

255

47

4

5.8

Pwr Exh Motor
HP

FLA

7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15

24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
24.2
30.8
46.2
22
28
42
22
28
42
22
28
42
22
28
42
22
28
42
22
28
42
22
28
42
22
28
42

MCA1
(Amps)
206
213
232
226
232
248
242
249
264
261
268
283
230
236
256
249
256
271
265
272
287
285
291
307
201
207
224
218
224
238
233
239
253
251
257
271
242
248
265
259
265
279
274
280
294
292
298
312

Max Fuse2/
Breaker3
Size
(Amps)
225
225
250
250
250
250
300
300
300
300
300
350
250
250
300
250
300
300
300
300
300
350
350
350
225
225
250
250
250
250
250
250
300
300
300
300
250
250
300
300
300
300
300
300
300
350
350
350

61

246837-YTG-L-1012

TABLE 52: ELECTRICAL DATA 40 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A (CONT.)
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

460-3-60

E8

E1

62

KW

40

80

108

Stages

1

2

3

Amps

46

92

125

Qty

4

4

4

RLA

16.7

16.7

16.7

LRA

114

114

114

OD Fan Motors
(each)
MCC

26

26

26

Qty

4

4

4

FLA

Supply Blower
Motor
HP

FLA

10

14

15

21

20

27

25

34

10

14

15

21

20

27

25

34

10

14

15

21

20

27

25

34

2.9

2.9

2.9

Pwr Exh Motor
HP

FLA

7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15

11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21
11
14
21

MCA1
(Amps)
108
111
119
116
119
126
123
126
133
132
135
142
121
124
133
130
133
140
137
140
147
146
149
156
153
156
165
162
165
172
169
172
179
178
181
188

Max Fuse2/
Breaker3
Size
(Amps)
110
125
125
125
125
150
150
150
150
150
150
175
125
125
150
150
150
150
150
150
150
175
175
175
175
175
175
175
175
175
175
175
200
200
200
200

Johnson Controls Unitary Products

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TABLE 52: ELECTRICAL DATA 40 TON w/ELECTRIC HEAT and POWER EXHAUST R-410A (CONT.)
Compressors
(each)

Electric Heat Option
Voltage
Model

E4

575-3-60

E8

E1

1.
2.
3.

KW

40

80

108

Stages

Amps

1

2

3

40

80

108

Qty

4

4

4

RLA

12.2

12.2

12.2

LRA

80

80

80

OD Fan Motors
(each)
MCC

19

19

19

Qty

4

4

4

FLA

Supply Blower
Motor
HP

FLA

10

11

15

17

20

22

25

27

10

11

15

17

20

22

25

27

10

11

15

17

20

22

25

27

2.2

2.2

2.2

Pwr Exh Motor
HP

FLA

7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
15
7.5
10
0

9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
17
9
11
0

MCA1
(Amps)
81
83
90
88
90
96
94
96
102
100
102
108
103
105
113
111
113
119
117
119
125
123
125
131
131
133
141
139
141
147
145
147
153
151
153
0

Max Fuse2/
Breaker3
Size
(Amps)
90
90
100
100
100
110
110
110
110
125
125
125
110
110
125
125
125
125
125
125
125
150
150
150
150
150
150
150
150
150
150
150
175
175
175
0

Minimum Circuit Ampacity.
Dual Element, Time Delay Type.
HACR type per NEC.

Johnson Controls Unitary Products

63

246837-YTG-L-1012

TABLE 53: UNIT WEIGHTS
COMPONENT

TABLE 54: SUPPLY FAN MOTOR VFD WEIGHTS

25 TON

30 TON

Basic Unit

4410
4565
Gas Heat
267 MBH
180
180
533 MBH
320
320
800 MBH
Electric Heat
40KW
40
40
80KW
105
105
108KW
110
110
Hot Water Heat
1 Row Coil
70
70
2 Row Coil
85
85
Steam Heat
1 Row Coil
85
85
Blower
Forward Curve Fan (Std Fan)
0
0
FC IGV
155
155
Air Foil Fan
135
135
AF IGV
155
155
Motor - Supply Fan
7.5hp
110
10hp
145
145
15hp
200
200
20hp
240
240
25hp
300
Supply Fan Motor VFD
See Table 54
Refrigeration
T-Coat Evap.
32
30
T-Coat cond.
32
30
Hot Gas Bypass
10
10
Low Ambient Head Pressure Control
208-230/380/460
5
5
575
25
25
Filters
6" Rigid
70
70

40 TON
4845

Supply Fan Motor VFD

230V

460V

575V

W/O Bypass

180
320
450

7.5hp

60

25

30

10hp

60

25

30

15hp

75

50

60

40
105
110

20hp

75

50

60

25hp

115

50

60

70
85

7.5hp

155

90

120

10hp

155

90

120

85

15hp

185

140

155

20hp

185

140

155

25hp

255

140

155

0
175
155
180

W/Bypass

TABLE 55: EXHAUST FAN MOTOR VFD WEIGHTS
Exhaust Fan Motor

145
200
240
300

40
40
10
5
25
70

230V

460V

575V

W/O Bypass
5hp

15

10

20

7.5hp

50

15

20

10hp

50

15

20

15hp

65

40

50

NOTE: If the Millennium is VAV with ERV, add the weight of an
exhaust VFD - it will be in the unit.

REAR

CENTER OF
GRAVITY

RIGHT END
CONDENSER
COILS

C

B

D

Exhaust1
Exhaust Type
Barometric
Modulated
Exhaust Motor
5hp
7.5hp
10hp
15hp
Exhaust Motor VFD
Std. Econ.
Econ. w/ERV
Disconnect
110V outlet
Optilogic
Partial Curb
1.

64

45
140

65
275

65
275

X

92”

Y

A

FRONT

240”

80
110
145
200
Economizer
235
50
Control
15
55
20
Roof Curb
415

80
110
145
200
See Table 55

80
110
145
200

235
50

235
50

15
55
20

15
55
20

415

415

FIGURE 27 - CENTER OF GRAVITY
TABLE 56: UNIT CENTER OF GRAVITY

If ERV and Supply Fan VAV are selected, add the weight of an
Exhaust VFD, Table 54.

MODEL
BASIC UNIT
BASIC UNIT /W
ECON.
BASIC UNIT /W
ECON. & GAS OR
ELECT. HEAT,
STEAM OR HOT
WATER HEAT
BASIC UNIT /W
ECON. & GAS OR
ELECT. HEAT, &
POWER EXHAUST

25 TON
X*
Y
99”
48”

30 TON
X*
Y
100”
47”

40 TON
X*
Y
96”
46"

110”

48”

110”

47”

100”

46"

104”

48”

104”

46”

99”

45"

118”

47”

114”

46”

111”

45"

Johnson Controls Unitary Products

246837-YTG-L-1012

TABLE 57: UNIT CORNERWEIGHT
UNIT
DESCRIPTION
BASIC UNIT
BASIC UNIT WITH
ECONOMIZER
BASIC UNIT WITH
ECONOMIZER AND
GAS OR ELECTRIC
HEAT
BASIC UNIT WITH
ECONOMIZER AND
GAS OR ELECTRIC
HEAT AND POWER
EXHAUST

A
870

25 TON
B
C
949
1352

D
1239

A
930

B
972

30 TON
C
1360

D
1303

A
969

B
969

40 TON
C
1454

D
1454

1018

1111

1313

1203

1076

1124

1328

1272

1058

1058

1482

1482

994

1084

1418

1300

1073

1073

1403

1403

1102

1055

1503

1570

1220

1275

1318

1262

1275

1275

1410

1410

1335

1278

1485

1551

NOTES:Basic Unit = cooling only, 10hp FC fan.
+ Econ = +235lb
+ Heat = single stage gas, 180 lb
+ Power Exhaust = modulating 7.5hp

TABLE 58: INDOOR SOUND POWER RATING
MODEL NUMBER
Z42
Z33
Z34

CFM
10,000
12750
17500

ESP
IWG
1.5
1.5
1.3

BLOWER
RPM
750
840
800

BHP
7.5
12.8
20

63
90
93
95

Sound Power Ratings for Supply Air Blowers in our Millenium
Units with High Gas Heat, Economizer, 2: T/A Filters and Wet
DX Sound power calculations complements of Lau’s revised
“Whirlwind” application selection software for air moving components.

SOUND POWER (DB 10-12 WATTS)
OCTAVE BAND CENTERLINE FREQUENCY (Hz)
125
250
500
1000
2000
4000
88
85
85
80
78
74
91
88
88
83
81
77
92
89
89
84
83
78

8000
68
71
72

dba
87
90
91

The sound ratings above occur at the blower wheel. To determine the sound rating at a unit’s supply and return air duct
connection, subtract the attenuation factors listed below.

TABLE 59: ATTENUATION FACTORS
LOCATION
SUPPLY AIR
RETURN AIR

Johnson Controls Unitary Products

63
11
13

125

OCTAVE BAND CENTERLINE FREQUENCY (HZ)
250
500
1000
2000

4000

8000

13
15

SOUND ATTENUATION (DB12 WATTS)
10
21
23
25

23
29

23
29

18
22

21
25

65

246837-YTG-L-1012

TABLE 60: OUTDOOR SOUND POWER RATING
MODEL

65

125

250

Z42
Z33
Z34

88
87
88

91
90
91

89
88
89

Octave Band Centerline Frequency (Hertz)
500
1000
2000
Sound Power Level, db (10)-12 Watts
86
82
79
86
82
80
86
82
80

4000

8000

db(A)

76
77
77

72
73
73

88
88
88

knowing the details of each system. This constitutes
an exception to any specification or guarantee
requiring a dBA value or sound data in any other
form than sound power level ratings.

NOTE: These values have been accessed using a model of
sound propagation from a point source into the
hemispheric free field (AMCA 303-79). The dBA values provided are to be used for reference only. Calculation of dBA values cover matters of system
design, and the fan manufacturer has no way of

EVAPORATOR COIL
AND DRAIN PAN ACCESS
FILTER ACCESS

POWER & CONTROL WIRING
COMPRESSOR ACCESS

REAR

RIGHT
END

HEAT SECTION

FRONT

OPTIONAL POWER
OUTLET (115V)

LEFT END
POWER EXHAUST ACCESS
HEAT SECTION
FILTER DRIERS

EVAPORATOR COIL
AND DRAIN PAN ACCESS
FILTER ACCESS

REAR
SUPPLY BLOWER & MOTOR

FIGURE 28 - COMPONENT LOCATION

66

Johnson Controls Unitary Products

246837-YTG-L-1012

NOTE:
FACTORY INSTALLED POWER
EXHAUST CANNOT BE ORDERED
WITH END RETURN.

RETURN AIR
SUPPLY AIR

REAR
RIGHT END
SEE
DETAIL
B

7-7/8”

SEE
DETAIL
C

64"
72.25”

24.9”
"
6.25”

76-3/8”

LEFT END

99.5”
131.5”

FRONT

92"

REAR

RIGHT
END
4.5"

OPEN

80.93"

3.625"

SEE
DETAIL
A

71.61"

26"

12"
MIN

6.46"

15.89"
C
L

88.7"

FRONT

LEFT END

240"

TO GAS VALVE
MANIFOLD
2-1/2”
DIA. HOLES

3-5/8"
4-5/8”

7”

28”

BASE RAIL

2.31”

6.45"
11”

BASE RAIL

2-1/2"

1-1/2" FPT

DETAIL A
(DRAIN CONNECTION)

DETAIL B
(ELECTRICAL CONNECTION)
FOR COOLING ONLY AND ALL HEATING APPLICATIONS

1-1/4” NPT

DETAIL C
(GAS CONNECTION
THROUGH CURB)

FIGURE 29 - END RETURN, BOTTOM SUPPLY

Johnson Controls Unitary Products

67

246837-YTG-L-1012

RETURN AIR
SUPPLY AIR

REAR

RIGHT
END

SEE
SEE DETAIL
C
DETAIL
B

64"

72.25”

99.5”

FRONT

92"

LEFT
END

131.5”

RIGHT
END

REAR
4.5"

OPEN
3.625"

80.93"

SEE
DETAIL
A

4.5"

26"

71.61"

12"
M IN
15.89"

6.46"

88.7"
38.59"

LEFT
END

127.5"

FRONT

83"

CL

240"

4.5"

CL

TO GAS VALVE
MANIFOLD
2-1/2”
DIA. HOLES

3-5/8"
4-5/8”
7”

BASE RAIL

2.31”
BASE RAIL

28”
11”

Ø 2-1/2”

1 -1 /2 " F P T

DETAIL A
(DRAIN CONNECTION)

6.45"

DETAIL B
(ELECTRICAL CONNECTION)
FOR COOLING ONLY AND ALL HEATING APPLICATIONS

1-1/4” NPT

DETAIL C
(GAS CONNECTION
THROUGH CURB)

FIGURE 30 - BOTTOM SUPPLY AND RETURN

68

Johnson Controls Unitary Products

246837-YTG-L-1012

FRONT SUPPLY: FOR COOLING ONLY APPLICATIONS
REAR SUPPLY: FOR COOLING ONLY OR GAS HEAT APPLICATIONS

FRONT

REAR

RETURN AIR
SUPPLY AIR

REAR

RIGHT END
26"

55"
64"

SEE
DETAIL
B

92"

8.15"

SEE
DETAIL
C

RIGHT
END

REAR
80.93"

SEE
DETAIL
A

4.5"

OPEN
3.625"
12"
MIN
6.46"

38.59"

FRONT

83"

LEFT END

99.5”

131.5”

FRONT

LEFT END

72.25”

TO GAS VALVE
MANIFOLD

240"
4.5"

2-1/2”
DIA. HOLES

3-5/8"
4-5/8”

7”

28”

BASE RAIL

2.31”

6.45"
11”

BASE RAIL

1-1/2" FPT

DETAIL A
(DRAIN CONNECTION)

2-1/2"

DETAIL B
(ELECTRICAL CONNECTION)
FOR COOLING ONLY AND ALL HEATING APPLICATIONS

1-1/4” NPT

DETAIL C
(GAS CONNECTION
THROUGH CURB)

FIGURE 31 - BOTTOM RETURN, FRONT & REAR SUPPLY

Johnson Controls Unitary Products

69

246837-YTG-L-1012

FRONT SUPPLY: FOR COOLING ONLY APPLICATIONS
REAR SUPPLY: FOR COOLING ONLY OR GAS HEAT APPLICATIONS

FRONT

26
26""
55"

REAR
RETURN AIR
SUPPLY AIR

REAR

RIGHT
END

26"
55"

64”

7-7/8”
24.9”

72.25”

76-3/8”

8.15"
6.25”

SEE
DETAIL
B

92”

LEFT
END

SEE
DETAIL
C

99.5”

131.5”

FRONT
RIGHT
END
REAR

OPEN
3.625"

80.93"

SEE
DETAIL
A

12"
MIN
6.46"

FRONT

LEFT
END

240"
TO GAS VALVE
MANIFOLD
2-1/2”
DIA. HOLES

3-5/8"
4-5/8”

7”

28”

BASE RAIL

2.31”

6.45"
11”

BASE RAIL

1-1/2" FPT

DETAIL A
(DRAIN CONNECTION)

2-1/2"

DETAIL B
(ELECTRICAL CONNECTION)
FOR COOLING ONLY AND ALL HEATING APPLICATIONS

1-1/4” NPT

DETAIL C
(GAS CONNECTION
THROUGH CURB)

FIGURE 32 - END RETURN, FRONT & REAR SUPPLY

70

Johnson Controls Unitary Products

246837-YTG-L-1012
259.68

35.42

39.31
93.43

241.22

FIGURE 33 - MILLENNIUM OVERHEAD VIEW
GAS HEAT
SECTION
25.95”

CONDENSER SECTION
75.93”

BLOWER
SECTION
36.08”

EVAPORATOR
SECTION
29.73”

FILTER
SECTION
31.13”

ECONOMIZER POWER
EXHAUST SECTION
41.94”

4.19”

64”

FIGURE 34 - MILLENNIUM MAJOR COMPONENT LAYOUT

40 TON CONDENSER SECTION

255.00
40 TON ONLY

15.00

15.00

FIGURE 35 - 40 TON SIDE & CONDENSER END VIEW

Johnson Controls Unitary Products

71

246837-YTG-L-1012

Hinged,
Tool-Free
Door

Optional
Hinged,
Tool-Free
Door

Hinged,
Tool-Free
Door

Hinged, Tool-Free
w/PE Option

1

2

3

4

BACK VIEW

Hinged,
Tool-Free
Door

Optional
Hinged,
Tool-Free
Door

Hinged,
Tool-Free
Door

Hinged,
Tool-Free
w/Gas
or Other
Heat Source

6

7

8

9

Hinged, Tool-Free
w/PE Option

5

FRONT VIEW
1. STD Cabinet Option includes Hinged, Tool-Free
Doors # 1, 3, 6, 8.

4. Doors 1, 2, 3, 6, 7, 8 & 9 are 56.31 inches high by
27.33 inches wide.

2. Premium Cabinet Option includes Hinged, Tool-Free
Doors # 1, 2, 3, 6, 7, 8.

5. Doors 4 & 5 are 26.5 inches high by 33.63 inches
wide.

3. Doors # 4, 5, 9 are dependent upon unit Heating
and Power Exhaust Options.

FIGURE 36 - MILLENNIUM CABINET DOOR CONFIGURATION

72

Johnson Controls Unitary Products

246837-YTG-L-1012

FIGURE 37 - CLEARANCES - HOOD/ECONOMIZER & MOTOR DRIVE - SIDE

LEFT END
15.93

79.0

FRONT SIDE

15.93

20.12
19.6

RAIN HOOD FOR
FIXED OUTSIDE AIR
OR ECONOMIZER

33.90

33.90

HOOD FOR
OPTIONAL
EXHAUST AIR
(NOT AVAILABLE WITH
END RETURN OR WITH
FIXED OUTSIDE AIR)

29.36

59.52
7.94

RAIN HOOD FOR
OPTIONAL POWER EXHAUST
OR BAROMETRIC RELIEF
(NOT AVAILABLE WITH
END RETURN OR WITH
FIXED OUTSIDE AIR)

FIGURE 38 - CLEARANCES - HOOD/ECONOMIZER & MOTOR DRIVE - FRONT & END

Johnson Controls Unitary Products

73

246837-YTG-L-1012

2 3 5 .0 0
9 5 .0 9

3 8 .5 9

7 1 .6 1

R E T U R N
A IR
O P E N IN G

8 3 .0 0

2 6 .0 0

S U P P L Y
A IR
O P E N IN G

8 7 .0 0

1 1 .3 9
4 .0 0
2 .0 0

1 4 .0 0
In s u la tio
P ro te
(S h e e t
N o s e P

n E
c to
M e
ie c
r

d g e
ta l
e )

A
A

F IE L D

S U P P L IE D
D U C T

A

T y p ic a l In s u la tio n

B
A

S E E S E C T IO N "A -A "

B

- IF
- IF

U N IT
U N IT

IS
IS

N O T IN S T A L L E D
A L R E A D Y IN S T A L L E D

N O T E : P r o te c t in s u la tio n w ith a s h e e t m e ta l
n o s e p ie c e w h e n in s ta llin g a in te r n a lly in s u la te d
d u c t w o rk .

T Y P IC A L D U C T IN S T A L L A T IO N S

B A S E R A IL
(Y O R K U N IT )
C U R B G A S K E T

B A S E R A IL C R O S S -S E C T IO N
1 .2 5 "
1 .7 5 "
4 .6 3 "

2 " X 4 "
N A IL E R

2 .5 0 "
1 .5 0 "

(1 4 .0 0 )

1 4 G A . G A L V S T E E L
R O O F C U R B

2 .0 0 "

S E C T IO N "A -A "

FIGURE 39 - PARTIAL ROOF CURB MODEL 1RC0455P

74

Johnson Controls Unitary Products

246837-YTG-L-1012

GUIDE SPECIFICATIONS - YORK
MILLENNIUM 25, 30, & 40 TON UNITS
GENERAL
Units shall be manufactured by Johnson Controls Unitary
Products in an ISO 9001 certified facility. Introducing the
YORK Millennium 25, 30, & 40 ton rooftop line - units
designed to provide peak performance and value both today
and for years to come. Millennium units are manufactured at
an ISO 9001 registered facility, and each rooftop is completely computer-run tested prior to shipment. The Millennium
is designed to be flexible enough to meet your needs today
and in the future. The true value of York's Millennium is that it
can be designed to fit any need, from cooling only, constant
volume applications to variable air volume systems with variable frequency drive.

DESCRIPTION
Supply York Millennium packaged rooftop system in accordance with the capacities in the plans. Units shall be rated by
the manufacturer at a minimum 10.0 EER according to AHRI
360. Units shall be shipped in a single package, fully charged
with R-410A refrigerant. The manufacturing facility shall be
registered under ISO 9001 Quality Standards for Manufacturing. Units shall carry both ETL and CGA safety approval ratings. Tags and decals to aid in the service or indicate caution
areas shall be provided. Installation and maintenance manuals shall be supplied with each unit. Units shall be capable of
providing mechanical cooling down to 40°F (0°F with low
ambient kit). Unit shall be capable of starting and running at
125°F. Unit electric and gas connections shall be either
through the curb or the side of the unit.

CONSTRUCTION
Base
The base rail shall be constructed of 12 gauge galvanized
steel, extending the full perimeter of the unit. All components
shall be supported from the base, and the base shall include
integral lifting lugs. The unit base rail shall overhang the roof
curb for water runoff and shall have a fabricated recess with a
continuous flat surface to seat on the roof curb gasket, providing a positive, weather tight seal between the unit and the
curb.
Casing
The unit cabinet shall be double wall construction to provide
both maximum resistance to bacterial growth in the air stream
and superior structural integrity. All sheet metal shall be G90
mill galvanized sheet metal, formed and reinforced to provide
a rigid assembly. Sheet metal shall be cleaned in an alkaline
and zinc phosphate bath, and the exterior surfaces shall be
coated with a 1.5 mil powder paint, capable of withstanding
1000 salt spray hours in accordance with ASTM B-117. The

Johnson Controls Unitary Products

unit shall be insulated with 1-1/2," 1 pound fiberglass insulation between the two sheet metal skins. Insulation shall meet
NFPA-90A regulations for smoke and flame spread ratings.
The cabinet corner post and the intermediate side supports
shall be 16 gauge steel. All access doors shall be 18 gauge
on the exterior surfaces, and 20 gauge on the interior. Floor
shall be 18 gauge, and 24 gauge. All serviceable sections
shall have hinged access doors with latches on both sides of
the unit. All access doors shall be constructed of 20 gauge
steel on the outside, with 24 gauge on the inside. Each door
shall seal against a rubber gasket to prevent air and water
leakage. The roof shall be double wall, with 18 gauge on the
external surface and 24 gauge on the interior. The roof shall
be formed with a 45 degree drip lip overhanging the sidewalls
to prevent precipitation drainage from streaming down the
side of the unit. Roof sections shall be connected together via
integral channels fastened with screws and sealed with rubber gasketing. Each fastened seam shall be further protected
by a sheet metal channel covering the full length of the gasket surface, making a completely water tight seal.

SUPPLY AIR SYSTEM
SUPPLY AIR FAN
Fans shall be centrifugal type - Class I or Class II, statically
and dynamically balanced in the factory. Fan wheels shall be
designed for continuous operation at the maximum rate of fan
speed and motor HP. The fan and motor assembly shall be
mounted on a common base to allow consistent belt tension
with no relative motion between the fan and motor shafts.
The entire assembly shall be isolated from the unit base with
(optional 1”, 2" deflection springs or rubber isolators). The fan
discharge shall be connected to the cabinet through a reinforced neoprene flexible connection to eliminate vibration
transmission from the fan to the unit casing. Fans shall be
double-width, double-inlet with forward curved blades.
OPTIONAL
On variable air volume units without variable frequency
drives, fans shall be provided with heavy gauge, corrosion
resistant blades, with zinc-plated steel inter-locking operating
mechanism. Both inlet vanes must operate from a single
shaft and be synchronized for precise control.
Units equipped with variable frequency drive on supply fan
must be controlled by a duct static transducer providing a 210 VDC signal to the drive. Supply fan variable frequency
drives shall have factory option of being equipped with a
manual drive bypass.

BEARINGS AND DRIVES
Bearings shall be self-aligning pillow-block re-greasable ball
bearings with an average life expectancy of 200,000 hours.
Grease fittings shall be accessible through access doors. Fan
motors shall be NEMA designed, Standard efficiency (option,
Hi-efficiency) ball bearing type with electrical characteristics

75

246837-YTG-L-1012

and horsepower as specified. Motors shall be 1750 RPM,
open drip proof type. The motor shall be located within the
unit on an adjustable, heavy steel base. All fan motor drives
shall be selected for a minimum service factor of 1.2 and
have fixed pitched sheaves.

AIR FILTERING SYSTEM
All filter holding frames shall be of heavy duty construction
designed for industrial applications. All filters shall be either
side accessible or front loading with access doors provided
on both sides of the filter section. All filter media shall be
Class II listed under UL Standard 900. Filter efficiencies shall
be rated in accordance with ASHRAE Standard 52-76 2"
Throwaway Filters with fiberglass media multiple shall be
standard
OPTIONAL
Two inch pleated, throwaway filters with 30% efficiency. Rigid
filters shall be high performance, expanded area, disposable
type filters. Rigid filter sections shall be preceded by a 2
throwaway prefilter assembly. Filter efficiency shall be 95%
(Option: 65%) based on ASHRAE Standard 52-76.

AIR INLET SYSTEM
General
Outside Air inlet openings shall be covered by a factory
installed rain hood permanently attached to the cabinet to
prevent windblown precipitation from entering the unit. The
rain hoods on the front and back of the unit shall be rotated
into the cabinet and secured for shipment so that upon installation they need only be rotated upwards and screwed into
place. The outside air hood shall contain a removable and
cleanable filter with an efficiency rating of 50% based on
ASHRAE 52- 76. All damper assemblies shall be of low leak
design. Damper blades shall be fabricated from a minimum of
16 gauge galvanized steel. Blade ends and edges shall be
covered with vinyl seals. Damper shafts shall be fabricated
from solid steel and mounted in the frame with bronze bearings.
Economizer (Optional)
An economizer shall have outdoor air and return air dampers
that are interlocked and positioned by fully modulating, solid
state damper actuators. The actuators shall be spring loaded
so that the outside air damper will close when power to the
unit is interrupted. The operation of the economizer shall be
fully integrated into the cooling control system. The economizer shall be available for control via a dry bulb sensor
(Optional: single or dual enthalpy sensors).
RELIEF SYSTEM (Optional)
All units with relief must have an economizer.

76

On all units not equipped with an economizer, an option shall
be available for a manually adjustable outside air damper that
shall be capable of admitting 0-25% outside air.
Barometric Relief (Optional)
Building air exhaust shall be accomplished through barometric relief dampers installed in the return air plenum. The
dampers will open relative to the building pressure. The
opening pressure shall be adjustable.
Exhaust Air Fans (Optional)
General - forward curved centrifugal fan(s) shall be installed
in the return air plenum for positive power exhaust. Fans shall
be on a common shaft, driven by a single motor. The fans,
motors and drives shall be of the same quality and design as
specified for the Supply Air Fan, except the fans shall be
Class I. Fans shall be capable of exhausting up to 100% of
the nominal CFM of the unit. Non-modulating Exhaust - Units
with non-modulating power exhaust shall have a barometric
relief damper to prevent outside air from entering in the off
cycle. The fans shall cycle on and off with building pressure.
Modulating Operation - The fans shall be capable of modulating the amount of air from 0% to 100% of nominal CFM. Modulation shall be through discharge dampers or variable
frequency motor speed modulation. Dampers or VFD shall be
controlled by static pressure in the conditioned space or
return air duct.

ENERGY RECOVERY VENTILATION (FIELD
INSTALLED OPTION)
General
The packaged rooftop unit shall have attached at the jobsite a
powered exhaust combined with an air intake through a rotating energy receovery wheel, which captures sensible and
latent heat from the exhaust air stream and returns it to the
incoming air stream. The energy recovery module will be contained in a separate enclosure designed to attach to the end
of the Millennium packaged rooftop unit equipped with Simplicity® Elite™ control.
The Energy Recovery Ventilation module will be capable of
exhausting up to 8,000 (13,000) CFM.
Control parameters for the ERV will be preset in the unit control.

HEATING SYSTEM
Gas-fired Heating Section (Optional)
One or more gas-fired heating modules shall be installed to
provide the heating requirements per the schedule shown on
the plans. The heat exchanger shall be of tubular design.
Tubes shall be 2-1/4” OD and constructed of minimum 20
gauge, G160 aluminized steel (1.6 mil aluminum silicone
alloy) for corrosion resistance (Optional: 409 Stainless Steel).

Johnson Controls Unitary Products

246837-YTG-L-1012

Flue baffles shall be made of 430 stainless steel. Each gasfired heat module shall have an induced draft combustion fan
with energy efficient intermittent pilot spark ignition and
redundant main gas valves with pressure regulator. Units with
standing pilot ignition shall not be acceptable. An induced
draft fan shall be provided to maintain a positive flow of air
through each tube, to expel the flue gas and to maintain a
negative pressure within the heat exchanger relative to the
conditioned space. Induced draft fans shall be direct-drive.
One (1) high limit controller per heating module, with automatic reset to prevent the heat exchanger from operating at
an excessive temperature will be installed. A pressure switch
on the combustion section must be provided to prevent ignition until sufficient air flow is established through the heat
exchanger. Secondary airflow safety shall be provided by rollout switch protection. The rollout switch shall discontinue furnace operation if the flue becomes restricted. Units shall ship
with an external flue to be shipped in the unit and mounted on
the job site. The flue shall discharge products of combustion
above the unit, preventing recycling of corrosive combustion
gases back through the heat exchanger. Gas heating sections shall be both ETL and CGA approved to both US and
Canadian safety standards.
Optional Modulating Furnace control or Single Stage control
available.
Electric Heating Section
An electric slip-in heater shall be installed within the rooftop
unit to provide the heating requirements per the schedule
shown on the plans. The electric heater shall be wired in such
a manner as to provide two equal steps of capacity (80 and
108 kW) or a single step of capacity (40 kW). The furnace
shall be an industrial grade design using an open coil(s)
made of the highest grade resistance wire containing 80%
nickel and 20% chromium. The resistance coil(s) shall be
adequately supported in the air stream using ceramic bushings in the supporting framework. Terminals of the coil(s)
shall be stainless steel with high temperature ceramic bushings. The primary high temperature protection shall be an
automatic reset type thermal cut out. Secondary protection
shall be an automatic reset type thermal cut out. Secondary
protection shall be a replaceable thermal link. The operation
of the electric heater shall be an integral part of the roof top
control system. Power connection to the strip heater shall be
through the single power point connection for the entire unit.
Electric heat shall be ETL certified to both US and Canadian
safety standards.
Hot Water Heating Coil
The manufacturer shall furnish and factory install a hot water
coil in the rooftop units, as described in the following specifications. Water coil capacities and pressure drops shall be
certified in accordance with AHRI Standard 410. The hot
water coil shall have eight fins per inch, 2 tubes per circuit,
and 2" inlet and outlet connection. Primary surface shall be 1/
2" OD copper tube, staggered in direction of airflow. Tubes
shall be mandrel expanded to form fin bond and provide bur-

Johnson Controls Unitary Products

nished, work-hardened interior surface. Return bends shall
be die formed and silver-brazed to tubes. Headers shall be of
heavy seamless copper tubing, silver-brazed to tubes. Connections shall be of red brass, with male pipe threads, silver
brazed to headers. Connections also have 1/4" FPT drain
plug on each connection. Extended surface shall consist of
die-formed, continuous, aluminum fins with formed channels,
and surface treatment to minimize moisture carry-over. Fins
shall have fully drawn collars to accurately space fins, and to
form a protective sheath for the primary surface. A structural
galvanized steel casing shall protect the coil. Tube sheets on
each end shall have drawn collars to support tubes. An intermediate coil support shall be provided. The coil shall be circuited to provide free draining and venting, through one vent
and drain. Completed coil, including headers, connections
and return bends shall be tested with 325 pounds compressed air under water. Coils shall be designed for operation
at 250 psig design working pressure.
Steam Heating Coil
The manufacturer shall furnish and factory install a steam
heating coil in the rooftop units, as described in the following
specifications. Steam coil capacities and pressure drops shall
be certified in accordance with AHRI standard 410. The
steam coil shall be constructed in the non-freeze style. The
steam coil shall have six fins per inch, and 2" inlet, and 1 1/2"
outlet connection. Tubes shall be 1" OD seamless copper
tubing with a minimum wall thickness of 0.035" and expanded
into the fin collars for maximum fin-tube bond. Inner distributing tubes shall be 5/8" OD seamless copper tubing with a
minimum wall thickness of 1/4". The copper to copper joints
shall be joined with high temperature, silver solder. Corrugated fins with integral spacing collars shall cover the entire
tube surface. Headers shall be constructed of seamless copper. The header tube holes shall be extruded providing better
tube to header contact for a stronger braze connection. All
header connections shall be of red brass or steel, with male
pipe threads and silver braze to headers. Casing shall be 16
gauge galvanized steel. Chafing shall be prevented by
extruding and flaring the holes in the tube sheet and intermediate tube sheet. The core shall be pitched in the direction of
the condensate connection for proper drainage. The completed coil (including headers and connections) shall be
tested underwater with 325 lbs. compressed air to ensure a
leak free coil.

REFRIGERATION SYSTEM
Units shall have four independent refrigerant circuits for maximum load-matching capability. Each refrigerant circuit shall
be controlled with a balance-port thermal expansion valve for
maximum control at low load conditions.
Evaporator Coils
Evaporator coils shall be direct expansion type with intertwined circuiting to assure complete coil face activity during
part load operation. Coil fins shall be enhanced aluminum

77

246837-YTG-L-1012

type. Coil types shall be 3/8” OD copper, internally enhanced
and mechanically expanded to bond with the fins. Coil casing
shall be fabricated from heavy gauge galvanized steel. All
coils shall be pressure tested at a minimum of 450 PSIG. A
galvanized powder painted steel drain pan shall be provided
under the entire length and width of the evaporator coil,
including all return bends. The main drain pan shall be sloped
a total of 1/4” per foot towards the drainage point. Main drain
pan shall be easily cleanable in the field. The condensate
drain opening shall be flush with the bottom of the drain pan
to allow complete drainage. Coils in excess of 48 inches high
shall have an intermediate drain pan, also fabricated of galvanized powder painted steel extending the entire finned length
of the coil to provide better water drainage. Drainage from the
intermediate drain pan shall be to the primary drain pan.
OPTIONAL: Drain pans shall be constructed of stainless
steel. OPTIONAL: Evaporator coils shall be protected by the
TechniCoat 10-1 four coat process. Coils shall be dipped in a
phenolic coating, which provides substantial resistance to
corrosion of aluminum and copper. OPTIONAL: Copper-tube/
Copper-finned evaporator coil assemblies.
Compressors
Units shall have four industrial duty hermetic scroll compressors, independently piped and charged. Compressors shall
have an enlarged liquid carrying capacity to withstand rugged
operating conditions. Compressor frame shall be cast iron,
with cast iron fixed and orbiting scrolls. Each compressor
shall feature a solid state protection module, designed to protect the compressor from over temperature and overcurrent
conditions. Each compressor shall include the following
safety and convenience devices: replaceable suction screen,
discharge line check valve, and oil sight glass. Compressors
shall be vibration isolated from the unit, and installed in an
easily accessible area of the unit.
Condenser Coils
Condenser coils shall have 3/8” seamless copper tubes,
arranged in staggered rows, mechanically expanded into aluminum fins. Coils shall be protected from hail damage with a
V configuration, with individual flat coils rotated 30 from the
vertical plane for each condensing circuit. Condensing coils
shall have an integral subcooler for more efficient, stable
operation. OPTIONAL: Condenser coils shall be protected by
the TechniCoat 10-1 four coat process. Coils shall be dipped
in a phenolic coating, which provides substantial resistance
to corrosion of aluminum and copper. OPTIONAL: Coppertube/Copper-finned condenser coil assemblies.
Condenser Fans and Motors
Condenser fans shall be direct drive, propeller type, discharging vertically. Condenser fan motors shall be 3 phase, totally
enclosed air over (TEAO) type, with built in thermal overload
protection.

78

Refrigerant Piping
All interconnecting piping between refrigeration components
shall be copper tubing with brazed joints. Each refrigerant circuit shall be equipped with liquid line filter drier, and moisture
indicating sight glass. Each circuit shall also have both high
and low pressure switches installed on either side of the compressor and include shrader depressors for replacement of
the pressure switches without removing charge. All small
diameter distributor tubing to the evaporator coil shall be protected by polyurethane sleeves over the length of the tubing
to prevent the tubes from copper-to-copper contact during
shipment or operation.
Hot Gas Bypass (Optional on CV; standard on VAV)
Unit shall have hot gas bypass factory installed on the lead
compressor.

CONTROLS
GENERAL DESCRIPTION
Equipment with Simplicity® as standard shall be factory runtested through the control, after the test is complete; there will
be no wires to re-connect. All control wiring points shall be
tested and verified through communication.
The control shall be UL or CSA recognized. The control shall
be manufactured in a manufacturing facility that is certified to
ISO 9001.
COMPRESSOR CONTROL
The control shall have a five-minute Anti-Short Cycle Delay to
prevent excessive compressor cycling. The control shall
have a three-minute minimum run time to insure that oil gets
returned to the compressor each time it starts. The minimum
runtime shall be programmable up to 10 minutes.
The control shall monitor the High Pressure switch, the Low
Pressure switch, and the Compressor Overloads separately
for each refrigeration circuit. The control shall have a 30 second Low Pressure Switch bypass when it starts any compressor.
A hard compressor lockout shall occur if the control detects
the same switch trip three times in a two-hour window, which
starts when the first trip occurs. On the first and second trips,
the control will turn the compressor off and wait five-minutes
after the switch re-closes, before restarting the compressor.
The control shall be capable of operating both compressors
and the economizer when there is a call for both stages of
cooling.
The control shall have a means of locking out mechanical
compression below a programmable low ambient trip point.
This must be done without adding extra components to the
unit.

Johnson Controls Unitary Products

246837-YTG-L-1012

The control shall have a means of locking out the mechanical
compression when the economizer is operating in free cooling mode without additional components
The control shall have a means of starting the compressor
before the indoor Fan comes on when operating with a Thermostat in the AUTO FAN mode.
FAN CONTROL
The control shall have fully adjustable Fan ON and Fan OFF
delays for both Heating and Cooling settable at the control or
via communication.
The control's default Fan OFF delay for Cooling shall be 30
seconds to take advantage of the remaining capacity in the
coil after the compressor has been turned off.
The control shall lock on the Fan if the high temperature limit
trips three times in one hour of operation.
The control will have a software programmable Fan Mode
Switch for Auto operation or Continuous operation.
When the Fan is in the Continuous mode, it will run continuously during the occupied schedule and in the Auto mode
when in an unoccupied schedule.
The control shall be capable of operating the fan without a G
or fan signal from the thermostat.
EQUIPMENT CONTROL FEATURES
The control shall be capable of communicating on the Standard Open protocol, Modbus® RTU.

The control shall have a button to reset compressor lockouts
without powering the unit down.
The control shall have a button to clear compressor AntiShort Cycle Delays. When this button is pressed it will only
clear the Anti-Short Cycle Delays for one cycle only and not
permanently.
The control will be compatible with any BAS (Building Automation System). Any BAS shall be able to control the equipment when wired to the control's Thermostat Terminal Strip.
The control shall have loading of at least 25 milliamps on all
thermostat inputs for controllers and thermostats that use output TRIACs.
The control shall have a Smoke Detector Shutdown input on
the board. The control shall be powered through this input, so
when the Smoke Detector trips, the control will shut down the
unit immediately.
The control will have low voltage protection for the contactors
and will not energize a contactor if the voltage is below 19.2
VAC, to insure contactor pull-in. If the control has a compressor contactor energized when the voltage drops, it shall not
de-energize the contactor until the voltage drops below 16
VAC, which is the drop out voltage for most contactors.
The control shall have a means of storing compressor run
time. This data shall be available through communication.
The control shall have the ability to clear this data when a
compressor is replaced.

The register data for the Modbus® must be publicly available
and open.

The control shall have the ability to store a name of at least
26 characters in length. The control will leave the factory with
the serial number of the equipment it is in, stored in non-volatile memory in the Name location.

Monitoring Software shall be provided at no cost. The monitoring software shall have a flashing icon when any unit wired
to the computer has an alarm. Clicking the flashing icon shall
display the fault code and the details of the fault.

The control shall have the ability to store the model number
of the equipment of at least 26 characters in length. The control will leave the factory with the model number of the equipment it is in, stored in non-volatile memory.

The networking setup shall be completed by connecting a
three-wire daisy chain cable to each unit, then powering all
the units up and pushing a button on each control. There
shall not be any dipswitches to configure the network
address.

The control shall have the ability to store the serial number of
the equipment of at least 26 characters in length. The control
will leave the factory with the serial number of the equipment
it is in, stored in non-volatile memory.

The control shall use a communication driver that is capable
of having 64 nodes on the bus before a repeater is needed.
The control shall use non-volatile memory to store the last
five alarms. There shall be a single button to push to recall
these last five alarms. The alarms shall be stored first in last
out. The first flash code shall be the last alarm that occurred.
There shall be a button press sequence to clear the alarms in
non-volatile memory.

Johnson Controls Unitary Products

The control shall not power the contactors through the thermostat wiring. Dropping voltage over the thermostat wiring
causes chattering contactors when the contactors are powered in this manner.
The control will operate and monitor up to 3 stages of heat
independently.
The control shall monitor the Gas Heat operation in the heating mode. It shall monitor the gas valve when there is a call

79

246837-YTG-L-1012

for heating. The control shall alarm when there is a call for
heat and no gas valve voltage after 5 minutes.
There will only be one control board for this series of units, for
both CV and VAV operation.

The control will use two setpoints for Supply Air Temperature
for the Economizer operation. One will be for a small space
cooling demand and one for a large space cooling demand.
The control will have the ability to do Demand Ventilation
using one CO2 sensor.

COMFORT CONTROL FEATURES
The control will be installed and tested at the factory where
the equipment is assembled.
The control will use a Wall Senor that has a means of overriding the unoccupied mode for a programmable amount of
time.
The Unoccupied Override time will be programmed in minutes up to 4 hours.

The control will have a programmable maximum Outside Air
Damper Position for IAQ operation.
The control will have the ability to temper the ventilation air
during times when heating or cooling is not required.
The control will have the ability to offset the operating setpoint based on high Humidity in the Space.
The control will have programmable limits when offsetting the
Operating Setpoint to control Humidity.

The control will use a Wall Sensor that has a warmer/cooler
dial so the occupants can offset the programmed setpoint by
a programmed amount between 1 and 5 degrees.

The control must be able to lockout Cooling below a programmable Outside Air Temperature Setpoint.

The control will have a Supply Air Sensor as standard.

The control will be able to lockout Heating above a programmable Outside Air Temperature Setpoint.

The control will have a Return Air Sensor as standard.
The control will have an Outside Air Sensor as standard.
The control will use the Return Air Sensor in place of the
Space Sensor if the Space Sensor fails for any reason, the
control will have a 365 day Real Time Clock.
The Real Time Clock will be able to do automatic Daylight
Savings Time adjustment.
The control will have an Occupancy Schedule that allows two
different Occupied schedules per day for each of the seven
days of the week individually.
The control will have 20 Holiday Schedules, each capable of
99 days.
The control's Holiday Schedules will have a start time associated with each schedule.
The control will control the Economizer directly.
The control will be capable of operating the Economizer using
Dry Bulb, Outside Enthalpy, or Differential Enthalpy.
When the control is using Enthalpy to control the Economizer,
it will also have an Outside Air Temperature enable Setpoint.

80

The control will have a Space Temperature Alarm.
The control will have a Supply Air Temperature Alarm for
Heating and Cooling. The Alarm temperature will be programmable
The Control will be able to do a Pre-Occupancy Purge at a
Programmable Time.
The control will have a hardware Smoke-Purge input.
The control will have the ability to read a dirty filter switch.
The control will have the capability of reading a Fan proving
switch.
The control will have an intelligent recovery function that will
bring the space to the Occupied Setpoint just before or at the
beginning of the first Occupied schedule each day. The control will learn and apply the minimum run time required to heat
or cool the space to setpoint for the first Occupied period of a
day.
The control will have Software controllable Mode Switches
(Heat, Cool, and Fan).
The control will meter and track Unoccupied Override Time
for billing purposes.

Johnson Controls Unitary Products

246837-YTG-L-1012

OPTIONAL SIMPLICITY®LINC GATEWAY

Burglar Bars

Overview

This accessory mounts in the supply and return opening of
the partial perimeter curb to prevent entry into the building
through the ductwork.

The Simplicity®LINC Gateway operates as a Modbus® Client
providing an interface between a BACnet® control system
and devices that communicate using the Modbus® RTU protocol. The Simplicity®LINC is preconfigured to provide an
interface to YORK UP products equipped with an Intelli-Comfort or Simplicity® controller and allows monitoring and control by a third-party BACnet® Building Automation System
(BAS).
The Simplicity®LINC mounts inside the control panel of the
UP unit and utilizes 24 VAC power from the unit's control
transformer. One port is connected to the UP controller. The
other port must be connected to the BACnet® network.

Field Installed Barometric Relief
This accessory is a set of barometric relief dampers and hood
used for the millennium barometric relief option that is fully
assembled for mounting to return ductwork. This accessory is
intended for use on horizontal return applications.
Programmable thermostat, with or without remote sensor (required for constant volume units)
Provides 2 Heat/4 Cool control and 7 day programming.
Remote Wall Mounted Temperature Sensors

The Simplicity®LINC Gateway is preconfigured to obtain
operational data points from the controller and expose them
on a BACnet® network.
"The Simplicity®LINC device is primary a control offered and
configured by York's ESG (Engineering Systems Group). The
device can be used with other BACnet® MS/TP systems, but
a qualified controls contractor must be involved. UP cannot
support the Simplicity®LINC device beyond its hardware
functionality and cannot guarantee functionality with the ISN
or other third party BAS device."

Attractive wall mounted temperature sensors are available to
precisely control multiple or individual zone temperature.
Sensors are available without adjustment, with override and
override with programmable setpoint adjustment.
Dirty Filter Switch
A Dirty Filter pressure switch kit is available for field installation. Switches will monitor pressure drop across the units air
filters and provide an alarm when filters become dirty.
Propane conversion kits

Please refer to the Simplicity®LINC Application manual Part
Number 514067.

OPTIONAL CONTROL
York Commercial Comfort System (YCCS)
Provides rooftop system integration for YCCS single zone,
change-over bypass and VAV systems.

Contains the necessary orifices and gas valve parts to convert from natural gas to propane. Propane cannot be used on
modulating gas heat units.
High altitude conversion kits
These kits are required for natural gas applications between
2,000 and 6,000 feet.
Energy Recovery Ventilators

AVAILABLE ACCESSORIES
The following accessories shall be available:

8,000 and 13,000 CFM models available. Great applications
involving 30% or more of required outdoor air where energy
use and comfort must be optimized.

Partial perimeter roof curbs
14" high roof curb with wood nailer. The partial perimeter roof
curb surrounds the portion of the unit which has airflow, and
includes a support at the compressor end of the unit.

Johnson Controls Unitary Products

81

Subject to change without notice. Published in U.S.A.
Copyright © 2012 by Johnson Controls, Inc. All rights reserved.
Johnson Controls Unitary Products
5005 York Drive
Norman, OK 73069

246837-YTG-L-1012
Supersedes: 246837-YTG-K-0712



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