Trane Uni Fan Coil And Force Flo Catalogue UNT PRC001 EN (08 May 2012)

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UNT-PRC001-EN.book Page 1 Tuesday, May 8, 2012 10:54 AM

Product Catalog

UniTrane™ Fan-Coil
Air Terminal Devices
Horizontal, Vertical, and Low Vertical, Sizes 02–12

May 2012

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UNT-PRC001-EN.book Page 2 Tuesday, May 8, 2012 10:54 AM

Introduction
It isn’t just a fan and a coil…
The Trane Company has redesigned the traditional fan-coil to lead the industry in:
•

indoor air quality (IAQ) features

•

easy installation and maintenance

•

high quality and durability

•

advanced controls
Smaller unit footprint.
Quiet operation.

Two-, three-, or
four-row coils.

Factory-assembled, -installed,
and -tested piping package
with IAQ drain pan to collect
condensate.

Factory-installed and
-tested controls.

Removable, noncorrosive,
positively-sloped drain pan
that’s easy to clean.
Build in field service tool
with real language LED
Easy-to-remove fan assembly.

16-gage steel construction.
Easy filter access
without front panel
removal.

Cleanable closed-cell
insulator (non-fiberglass).
Energy efficient
electronically
commutated motor (ECM) Damper allows up to 100% fresh air.

Revision History
The revision of this literature dated 08 May 2012 includes information for Tracer™ UC400 controls,
coil performance updates, and revised performance table formats per new AHRI listing
requirements.

Trademarks
Integrated Comfort, Rover, TOPSS, Tracer, Tracer Summit, Trane, the Trane logo, and UniTrane are
trademarks of Trane in the United States and other countries. Trane is a business of Ingersoll Rand.
All trademarks referenced in this document are the trademarks of their respective owners.
Teflon is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

© 2012 Trane All rights reserved

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Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Model Number Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
General Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Model A, Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model B, Vertical Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model C, Horizontal Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model D, Horizontal Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model E, Horizontal Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model H, Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model J, Vertical Cabinet Slope Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model K, Low Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model L, Low Vertical Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model P, Compact Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model P, Compact Concealed (with Recessed Panel Option) . . . . . . . . .
Factory-Installed Piping Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting the Correct Modulating Valve Size . . . . . . . . . . . . . . . . . . . . . .

11
11
12
13
14
14
15
15
15
16
17
20
23

Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Horizontal Concealed, Compact Concealed, Horizontal Recessed, and Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Horizontal Cabinet and Vertical Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Vertical Slope Top Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Low Vertical Cabinet and Low Vertical Concealed . . . . . . . . . . . . . . . . . . 30
Horizontal Concealed, Compact Concealed, Horizontal Cabinet, Horizontal
Recessed and Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Horizontal Concealed, Compact Concealed, Horizontal Recessed and Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Horizontal Cabinet and Vertical Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Vertical Slope Top Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Horizontal Concealed, Compact Concealed, Horizontal Cabinet, Horizontal
Recessed, and Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
ECM Engine Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Fan Mode Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Supplied Terminal Interface (CSTI) . . . . . . . . . . . . . . . . . . . . .
Tracer Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Zone Sensor Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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39
40
40
41
42
44
47
49
3

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Tracer ZN520 and UC400 Additional Features . . . . . . . . . . . . . . . . . . . . . 51
End Device Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Dimensions and Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Unit Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vertical Concealed, Model A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vertical Cabinet, Model B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horizontal Concealed, Model C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horizontal Cabinet, Model D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horizontal Recessed, Model E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vertical Recessed, Model H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vertical Slope Top, Model J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Vertical Concealed, Model K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Vertical Cabinet, Model L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Concealed, Model P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coil Connections, Vertical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coil Connections, Horizontal Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fresh Air Opening Locations, Horizontal Units Models C, D, and E . . . .
Fresh Air Opening Locations, Vertical Units Models A, B, and J . . . . . .
Fresh Air Opening Locations, Low Vertical Units Models K and L . . . . .
Wall Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Projection Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

58
59
60
61
62
63
64
65
66
67
68
69
69
70
71
72
73
74

Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
UniTrane Fan-Coil Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . 75
Piping Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

4

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Features and Benefits
The UniTrane fan-coil meets the standards of today’s market, as well as the anticipated needs of
tomorrow’s market. The tradition that company founder Reuben Trane began in the 1930s
continues with the latest generation of fan-coils from The Trane Company.
The UniTrane fan-coil is the leader in these key areas:
•

Energy Efficiency

•

Indoor Air Quality (IAQ)

•

Controls

•

Flexibility

•

Quality

•

Serviceability

Today’s HVAC market is concerned with issues such as indoor air quality (IAQ) and CFCs that
demand a change in HVAC products. In addition, renovation has overtaken new construction in the
fan-coil market—demanding a design that caters to renovation issues. Trane is concerned with
these issues, too. That’s why we designed the UniTrane fan-coil as an integral part of the company’s
system solutions with standard IAQ-related features that fully comply with ASHRAE 62.

Energy Efficiency
Trane’s commitment to providing premium quality products has led to the exclusive use of
Electronically Commutated Motors (ECM) in all fan coil models. These brushless DC motors
incorporate the latest technology for optimized energy efficiency, acoustical abatement,
maintenance free and extended motor life. Each motor has a built-in microprocessor that allows
for programmability, soft ramp-up, better airflow control, and serial communication.
•

Trane units equipped with ECMs are significantly more efficient than the standard Permanent
Split Capacitor (PSC) motor.

•

Lower operating costs on average of 50 percent (versus a PSC motor).

•

The Reduced FLA feature allows units to ship with a nameplate FLA rating much lower than a
typical ECM unit.

IAQ Design
•

Closed-cell insulation is standard on all units to help prevent fiberglass in the airstream.

•

The main and auxiliary drain pans are constructed of a noncorrosive engineered plastic (ABS
and CyColac T).

•

The main and auxiliary drain pans are positively sloped in every plane to assure proper
drainage and help maximize protection from microbial growth.

•

The drain pans are removable for cleaning.

•

Easy filter access encourages frequent changing.

•

The auto-economizer damper option allows free cooling and ventilation to help comply with
ASHRAE 62—and save energy and operating costs.

•

UniTrane fan-coils have a blow-thru design. Low vertical units are drawthru.

Controls

UNT-PRC001-EN

•

This is the industry’s first solution that is factory-mounted, -wired, and -programmed for infinite
modulation of fan speed based on space loads, using the Tracer UC400. Auto Fan Speed control
with the Tracer ZN520 ramps the fan speed up and down to meet space loads.

•

All controls are factory-mounted and tested to minimize field setup and improve reliability.

•

Controls are wired with a 24 Vac transformer to keep only a single source power connection
requirement to the unit.

5

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Features and Benefits

•

All wall-mounted zone sensors require only low voltage control wiring from the device to the
unit control box. (No line voltage.)

•

The controller automatically determines the unit’s correct operating mode (heat/cool) by
utilizing a proportional/integral (PI) control algorithm to maintain the space temperature at the
active setpoint, allowing total comfort control.

•

Entering water temperature sampling eliminates the need for inefficient bleedlines to sense
automatic changeover on two-pipe changeover units.

•

The random start-up feature helps reduce electrical demand peaks by randomly staggering
multiple units at start-up.

•

Occupied/unoccupied operation allows the controller to utilize unoccupied temperature
setpoints for energy savings.

•

Warm-up and cool-down energy features are standard with Trane controls.

•

Continuous fan or fan cycling is available with Tracer ZN010 or ZN510.

•

Monitor unit operation using Tracer TU building management system with Tracer ZN510 or
ZN520 and UC400.

•

To customize unit control, Tracer TU or Rover™ software will allow field modification of
Tracer ZN510 and ZN520 default settings. Tracer ZN010 uses Rover to field modify default
settings. UC400 uses Tracer TU.

•

Maximize fan-coil system efficiency with free cooling economizers and modulating valves on
units with Tracer ZN520 and UC400.

Flexibility
•

Two, three, and four-row coils allow greater design flexibility in two and four-pipe systems.

•

One-row steam or hot water reheat coils for dehumidification on units with ZN520 controls.

•

Fan motors are available for either high static (0.4-inch external static pressure) or free
discharge applications.

•

Piping is factory assembled, mounted and tested. Units are also available without piping.
Reheat coil piping is available on 2-pipe units with hot water reheat coils and either a fan speed
switch or Tracer ZN520 and UC400.

•

Factory piping options include interconnecting piping, control valves, and end valves. Deluxe
piping also has unions and a strainer.

•

Control options range from a simple fan speed switch to a DDC controller that can tie into a
Tracer Summit building automation system.

•

An 8-inch extended end pocket is an available option on the piping end of cabinet style units.

•

Slope-top vertical cabinet units are also available for school and dormitory applications to
prevent items from being placed on top of the units.

Quality
•

Coils and piping packages are air and leak-tested before mounting on the fan-coil.

•

Coil piping connections are also air and leak-tested after mounting on the unit.

•

All control end devices and moving components (fans and motors) are computer-tested after
units are complete.

Serviceability
•

6

Touch-safe control box.

•

Integrated user interface with real language LED display.

•

Built-in tachometer.

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Features and Benefits

UNT-PRC001-EN

•

Filters are easily removable and changed without removing the front panel on vertical cabinet
units.

•

Motors are easy to disconnect from the fan board, allowing easy service.

•

The main and auxiliary drain pans are easily removable and wipe clean with a wet cloth.

•

The manual output test function is an invaluable troubleshooting tool. By simply pressing the
test button on the Tracer ZN510, ZN520, or ZN010; service personnel can manually exercise
outputs in a pre-defined sequence.

7

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Model Number Descriptions
UniTrane Fan-Coil

Digit 9 — Piping System/
Placement

Following is a complete description of
the fan-coil model number. Each digit
in the model number has a
corresponding code that identifies
specific unit options.

A

=

B

=

C

=

D

=

E

=

F

=

G

=

H

=

J
K
L

=
=
=

Note: Not all options are available on
all cabinet styles. Contact your
local Trane sales
representative for more
information.
Digits 1, 2 — Unit Type
FC =

Fan-Coil

Digit 3 — Cabinet Type
A
B
C
D
E
H
J
P

=
=
=
=
=
=
=
=

Vertical Concealed
Vertical Cabinet
Horizontal Concealed
Horizontal Cabinet
Horizontal Recessed
Vertical Recessed
Vertical Cabinet Slope Top
Compact Concealed

Digit 4 — Development
Sequence “B”
Digits 5, 6, 7 — Unit Size
020

040

080

030

060

100

120

Digit 8 — Unit Voltage
1

=

115/60/1

4

=

230/60/1

2

=

208/60/1

9

=

220/50/1

3

=

277/60/1

M =

No piping, RH, No Auxiliary Drain
Pan
No piping, LH, No Auxiliary Drain
Pan
No piping, RH, with Auxiliary
Drain Pan
No piping, LH, with Auxiliary
Drain Pan
No piping, RH, No Auxiliary Drain
Pan, Extended End Pocket
No piping, LH, No Auxiliary Drain
Pan, Extended End Pocket
No piping, RH, with Auxiliary
Drain Pan, Extended End Pocket
No piping, LH, with Auxiliary
Drain Pan, Extended End Pocket
With piping package, RH
With piping package, LH
With piping package, RH,
Extended End Pocket
With piping package, LH,
Extended End Pocket

Digits 10, 11 — Design Sequence
Digit 12 — Inlets
A
B
C
D
E
F
G
H
K
L

=
=
=
=
=
=
=
=
=
=

Front Toe Space
Front Bar Grille
Front Stamped Louver
Bottom Stamped Louver
Bottom Toe Space
Back Duct Collar
Back Open Return
Back Stamped Louver
Exposed fan (Model P only)
Bottom filter (Model P only)

Digit 13 — Fresh Air Damper
0
A
B
C
D
E
F
G

=
=
=
=
=
=
=
=

H
J
K
L
M

=
=
=
=
=

None
Manual, Bottom Opening
Manual, Back Opening
Manual, Top Opening
Auto, 2-Position, Bottom Opening
Auto, 2-Position, Back Opening
Auto, 2-Position, Top Opening
Auto, Economizer, Bottom
Opening
Auto, Economizer, Back Opening
Auto, Economizer, Top Opening
No Damper, Bottom Opening
No Damper, Back Opening
No Damper, Top Opening

Digit 14 — Outlets
A
B
C
D
G
H
J

=
=
=
=
=
=
=

Front Duct Collar
Front Bar Grille
Front Stamped Louver
Front Quad Grille
Top Quad Grille
Top Bar Grille
Top Duct Collar

Digit 15 — Color
0
1
2
3
4
5
6

No Paint (Concealed Units Only)
Deluxe Beige
Soft Dove
Cameo White
Driftwood Grey
Stone Grey
Rose Mauve

Digit 16 — Tamperproof Locks/
Leveling Feet
0
B
C
D
F

=
=
=
=
=

G

=

None
Keylock Access Door
Keylock Panel and Access Door
Leveling Feet
Keylock Access Door with
Leveling Feet
Keylock Panel and Access Door
with Leveling Feet

Digit 17 — Motor
A
B

=
=

Free Discharge ECM
High Static ECM

Digit 18 — Coil
A
B
C
D
E
F
G
H
J
K

=
=
=
=
=
=
=
=
=
=

L

=

M =
P

=

Q

=

R

=

X
Y
Z

=
=
=

2-Row Cooling/Heating1
3-Row Cooling/Heating1
4-Row Cooling/Heating1
2-Row Cooling/1-Row Heating
2-Row Cooling/2-Row Heating
3-Row Cooling/1-Row Heating
2-Row Cooling Only
3-Row Cooling Only
4-Row Cooling Only
2-Row Cooling/Heating1 with
Electric Heat
3-Row Cooling/Heating1 with
Electric Heat
4-Row Cooling/Heating1 with
Electric Heat
2-Row Cooling/Heating1 with
1-Row Heating
2-Row Cooling/Heating1 with
2-Row Heating
3-Row Cooling/Heating1 with
1-Row Heating
2-Row Cooling Only, Electric Heat
3-Row Cooling Only, Electric Heat
4-Row Cooling Only, Electric Heat

Digit 19 — Drain Pan Material
3
4

=
=

Polymer Drain Pan
Stainless Steel Main Drain Pan

Digit 20 — Coil Air Vent
A =
M =

1

8

=
=
=
=
=
=
=

Automatic Air Vent
Manual Air Vent

Designates coils provided with a changeover sensor.

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Model Number Descriptions

Digits 21, 22, 23 — Electric Heat
kW — ( ) = 208V Derate
000 =
010 =
015 =
020 =
025 =
030 =
040 =
050 =
060 =
070 =
080 =
100 =

No Electric Heat
1.0 kW (0.75 kW)
1.5 kW (1.1 kW)
2.0 kW (1.5 kW)
2.5 kW (1.9 kW)
3.0 kW (2.3 kW)
4.0 kW (3.0 kW)
5.0 kW (3.8 kW)
6.0 kW (4.5 kW)
7.0 kW (5.3 kW)
8.0 kW (6.0 kW)
10.0 kW

Digit 24 — Reheat Coil
0
A
B
D

=
=
=
=

None
Steam Coil
Hot Water Coil
High Capacity Hot Water Coil

Digit 25 — Disconnect Switch
0
D

=
=

None
Disconnect Switch

Digit 26 — Filter
0
1
2
3
4
5
6
7
8
A
B
C
D

=
=
=
=
=
=
=
=
=
=
=
=
=

None
1” Throwaway Filter
1” Throwaway MERV 8 Filter
1” Throwaway, 1 Extra
1” Throwaway MERV 8, 1 Extra
1” Throwaway, 2 Extras
1” Throwaway MERV 8, 2 Extras
1” Throwaway, 3 Extras
1” Throwaway MERV 8, 3 Extras
1” Throwaway MERV 13 Filter
1” Throwaway MERV 13, 1 Extra
1” Throwaway MERV 13, 2 Extras
1” Throwaway MERV 13, 3 Extras

Digit 27 — Main Control Valve

Digit 29 — Piping Packages

0
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
X
Y
Z
1

0
A

=
=

B

=

C

=

D

=

E

=

F

=

=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=

None
2-Way, 2-Position, NO (30 psig)
3-Way, 2-Position, NO (28 psig)
2-Way, 2-Position, NC (30 psig)
3-Way, 2-Position, NC (20 psig)
2-Way, 2-Position, NO (50 psig)
3-Way, 2-Position, NO (28 psig)
2-Way, 2-Position, NC (50 psig)
3-Way, 2-Position, NC (28 psig)
2-Way, Mod., 0.6 Cv (60 psig)
3-Way, Mod., 0.6 Cv (60 psig)
2-Way, Mod., 1.1 Cv (60 psig)
3-Way, Mod., 1.1 Cv (60 psig)
2-Way, Mod., 2.3 Cv (60 psig)
3-Way, Mod., 2.7 Cv (60 psig)
2-Way, Mod., 3.3Cv (60 psig)
3-Way, Mod., 3.8 Cv (60 psig)
Field-supplied, NO
Field-supplied, NC
Field-supplied 3-Wire Modulating
Field supplied analog valve

Digit 28 — Auxiliary Control
Valve
0
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
X
Y
Z
1

=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=

None
2-Way, 2-Position, NO (30 psig)
3-Way, 2-Position, NC (28 psig)
2-Way, 2-Position, NC (30 psig)
3-Way, 2-Position, NC (20 psig)
2-Way, 2-Position, NO (50 psig)
3-Way, 2-Position, NO (28 psig)
2-Way, 2-Position, NC (50 psig)
3-Way, 2-Position, NC (28 psig)
2-Way, Mod., 0.6 Cv (60 psig)
3-Way, Mod., 0.6 Cv (60 psig)
2-Way, Mod., 1.1 Cv (60 psig)
3-Way, Mod., 1.1 Cv (60 psig)
2-Way, Mod., 2.3 Cv (60 psig)
3-Way, Mod., 2.7 Cv (60 psig)
2-Way, Mod., 3.3Cv (60 psig)
3-Way, Mod., 3.8 Cv (60 psig)
Field-supplied, NO
Field-supplied, NC
Field-supplied 3-Wire Modulating
Field supplied analog valve

None
Basic Ball Valve Supply and
Return
Basic Ball Valve Supply/Manual
Circuit Setter
Basic Ball Valve Supply and
Return with Auto Circuit Setter
Deluxe Ball Valve Supply and
Return
Deluxe Ball Valve Supply/Manual
Circuit Setter
Deluxe Ball Valve Supply and
Return with Auto Circuit Setter

Digit 30 — Control Type
A
E
F
G
H

=
=
=
=
=

J

=

Fan Mode Switch
Tracer ZN010
Tracer ZN510
Tracer ZN520
Customer Supplied Terminal
Interface (CSTI)
Tracer UC400, Single Zone VAV

Digit 31 — Control Option
D
K
V

=
=
=

W =
X

=

Y

=

Z

=

1

=

2

=

0
3

=
=

4

=

5

=

6
7

=
=

Unit-Mounted Fan Mode Switch
Wall-Mounted Fan Mode Switch
Unit-Mounted Fan Speed Switch
w/Setpoint Dial Zone Sensor
Wall-Mounted Fan Speed Switch
w/Setpoint Dial Zone Sensor
Unit-Mounted Fan Speed Switch
w/Wall-Mounted Setpoint Dial
Zone Sensor
Unit-Mounted Fan Speed Switch
& Wall-Mounted Setpoint Dial
w/Comm.
Unit-Mounted Fan Speed Switch,
On/Cancel, Setpoint Dial
w/ Comm.
Wall-Mounted On/Cancel
w/ Comm.
Wall-Mounted Fan Speed Switch,
Setpoint Dial, On/Cancel
w/ Comm.
Without Control Option
Unit-Mounted Low Voltage Fan
Speed Switch (Off /Hi /Med /Low)
Wall-Mounted Digital Zone
Sensor (OALMH, Setpoint,
On/Cancel, Comm Jack)
Wall-Mounted Digital Zone
Sensor (On/Cancel, Comm Jack)
Wireless Zone Sensor
Wireless Display Sensor, UnitMounted Receiver

Digit 32 — IAQ Options
0
1
4

=
=
=

Without IAQ Options
Dehumidification
Dehumidification w/ Sensor

Digit 33 —FLA Motor Option
0
A

UNT-PRC001-EN

=
=

Standard FLA ECM Mode
Reduced FLA ECM Mode

9

UNT-PRC001-EN.book Page 10 Tuesday, May 8, 2012 10:54 AM

Model Number Descriptions

Digit 34

Digit 42 — Subbases

0

0
A
B
C
D
E
F

=

None

Digit 35 — Control Function #3
0
2

=
=

None
Condensate Overflow Detection

Digit 36 — Control Function #4
0
2

=
=

None
Low Temperature Detection

Digits 37, 38 — Future Control
Functions
Digit 39 — Projection Panels and
Falsebacks
0
A

=
=

B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
T

=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=

=
=
=
=
=
=
=

None
2” Subbase
3” Subbase
4” Subbase
5” Subbase
6” Subbase
7” Subbase

Digit 43 — Recessed Flange
0
A

=
=

None
Recessed Flange

Digit 44 — Wall Boxes
0
A

=
=

None
Anodized Wall Box

None
5/8” Standard Recessed Panel
(Vertical Recessed Units Only)
2” Projection Panel
2.5” Projection Panel
3” Projection Panel
3.5” Projection Panel
4” Projection Panel
4.5” Projection Panel
5” Projection Panel
5.5” Projection Panel
6” Projection Panel
2”Falseback
3” Falseback
4” Falseback
5” Falseback
6” Falseback
7” Falseback
8” Falseback

Digit 40 — Main Autoflow Gpm
0

=

None

H

=

3.5

A

=

0.5

J

=

4.0

B

=

0.75

K

=

4.5

C

=

1.0

L

=

5.0

D

=

1.5

M =

6.0

E

=

2.0

N

=

7.0

F

=

2.5

P

=

8.0

G

=

3.0

Digit 41 — Auxiliary Autoflow
Gpm
0

=

None

H

=

3.5

A

=

0.5

J

=

4.0

B

=

0.75

K

=

4.5

C

=

1.0

L

=

5.0

D

=

1.5

M =

6.0

E

=

2.0

N

=

7.0

F

=

2.5

P

=

8.0

G

=

3.0

10

UNT-PRC001-EN

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General Data
Model A, Vertical Concealed
Outlet
Top Duct Collar

Inlet
Front Toe Space

Fresh Air
Bottom or Back

Model B, Vertical Cabinet
Outlet
Top Quad Grille, Top Bar Grille

Inlet
Front Toe Space,
Front Bar Grille

UNT-PRC001-EN

Fresh Air
Bottom or Back

11

UNT-PRC001-EN.book Page 12 Tuesday, May 8, 2012 10:54 AM

General Data
Unit Configurations

Model C, Horizontal Concealed

Outlet
Front Duct Collar

Inlet
Back Duct Collar
Fresh Air
N/A
Fresh Air
Top or Back

Outlet
Front Duct Collar
Inlet
Bottom Toe Space

Inlet
Open Return
No Filter

Outlet
Front Duct Collar
Fresh Air
N/A

12

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UNT-PRC001-EN.book Page 13 Tuesday, May 8, 2012 10:54 AM

General Data
Unit Configurations

Model D, Horizontal Cabinet

Fresh Air
Top or Back

Outlet
Front Quad
Grille, Front Bar Grille

Fresh Air
N/A

Inlet
Bottom Stamped
Louver

Outlet
Front Duct Collar

Fresh Air
Top or Back

Outlet
Front Duct Collar

Inlet
Bottom Stamped
Louver

Fresh Air
N/A

UNT-PRC001-EN

Inlet
Back Duct
Collar

Outlet
Front Quad
Grille, Front Bar Grille

Fresh Air
N/A

Outlet
Front Quad
Grille, Front Bar Grille

Inlet
Back Stamped
Louver

Fresh Air
N/A
Inlet
Back Stamped
Louver

Outlet
Front Duct Collar

Inlet
Back Duct
Collar

13

UNT-PRC001-EN.book Page 14 Tuesday, May 8, 2012 10:54 AM

General Data
Unit Configurations

Model E, Horizontal Recessed
Fresh Air
Top or Back

Outlet
Front Duct Collar

Inlet
Bottom Stamped
Louver

Fresh Air
N/A
Inlet
Back Duct
Collar

Outlet
Front Duct Collar

Model H, Vertical Recessed
Outlet
Top Duct Collar

Fresh Air
Bottom or Back
Inlet
Front Stamped Louver

Outlet
Front Stamped
Louver

Fresh Air
Bottom or Back
Inlet
Front Stamped Louver

14

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General Data
Unit Configurations

Model J, Vertical Cabinet Slope Top
Outlet
Top Quad Grille, Top Bar Grille

Fresh Air
Bottom or Back

Inlet
Front Toe Space,
Front Bar Grille

Model K, Low Vertical Concealed
Outlet
Top Duct Collar

Inlet
Front Toe Space

Fresh Air
Back

Model L, Low Vertical Cabinet
Outlet
Top Quad Grille, Top Bar Grille

Inlet
Front Bar Grille

UNT-PRC001-EN

Fresh Air
Back

15

UNT-PRC001-EN.book Page 16 Tuesday, May 8, 2012 10:54 AM

General Data
Unit Configurations

Model P, Compact Concealed

Outlet
Front Duct Collar

Inlet
Back Duct Collar
Fresh Air
N/A
Fresh Air
N/A

Outlet
Front Duct Collar
Inlet, Bottom Filter
(Bottom Toe Space)

Outlet
Front Duct Collar
Fresh Air
N/A

16

Inlet, Exposed
Fan
(Open Return
No Filter)

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UNT-PRC001-EN.book Page 17 Tuesday, May 8, 2012 10:54 AM

General Data
Unit Configurations

Model P, Compact Concealed (with Recessed Panel Option)
Fresh Air
N/A

Outlet
Front Duct Collar

Inlet, Bottom Filter
(Bottom Stamped
Louver)
Fresh Air
N/A
Inlet
(Back Duct
Collar)

Outlet
Front Duct Collar

Fresh Air
N/A

Outlet
Front Duct Collar

UNT-PRC001-EN

Inlet,
Exposed Fan
(Open Return
No Filter)

17

UNT-PRC001-EN.book Page 18 Tuesday, May 8, 2012 10:54 AM

General Data

Table 1.
Unit Size

UniTrane Fan-Coil general data
02

03

04

06

08

Coil Data
Face Area — ft2
0.8
0.8
1.1
1.6
2.1
LxDxH — in.
2-Row
15 x 1.7 x 8
15 x 1.7 x 8
20 x 1.7 x 8
29.5 x 1.7 x 8 38 x 1.7 x 8
3-Row
15 x 2.6 x 8
15 x 2.6 x 8
20 x 2.6 x 8
29.5 x 2.6 x 8 38 x 2.6 x 8
4-Row
15 x 3.5 x 8
15 x 3.5 x 8
20 x 3.5 x 8
29.5 x 3.5 x 8 38 x 3.5 x 8
Volume — gal
1-Row (Heat)
0.06
0.06
0.08
0.11
0.14
2-Row
0.12
0.12
0.15
0.22
0.28
3-Row
0.18
0.18
0.23
0.33
0.42
4-Row
0.24
0.24
0.30
0.44
0.56
Fins/ft
2-Row
144
144
144
144
144
3-Row
144
144
144
144
144
4-Row
144
144
144
144
144
Reheat Coil Data (1-Row), Standard or High-Capacity(a)
Hot Water or Steam
Face Area — ft2
0.6
0.6
0.8
1.2
1.6
L x D x H — in.
15 x 1.5 x 6
15 x 1.5 x 6
20 x 1.5 x 6
29.5 x 1.5 x 6 38 x 1.5 x 6
Volume — gal
0.12
0.12
0.15
0.22
0.28
Standard Capacity(a) Fins/ft
48
48
48
48
48
High-Capacity(a) Fins/ft
144
144
144
144
144
Fan/Motor Data
Fan Quantity
1
1
1
2
2
Size — Dia” x Width”
6.31 x 4
6.31 x 6.5
6.31 x 7.5
6.31 x 6.5
6.31 x 7.5
Size — Dia” x Width”
Motor Quantity
1
1
1
1
1
Filter Data
1” (cm) TA and Pl. Media
Quantity
1
1
1
1
1
Size — in.
8-7/8 x 19-1/8 8-7/8 x 19-1/8 8-7/8 x 24-1/8 8-7/8 x 33-5/8 8-7/8 x 42-1/8
1” Fresh Air Filter (only on cabinet styles D, E, and H with bottom return and fresh air opening)
Quantity
1
1
1
1
1
Size — in.
5-1/2 x 19-1/8 5-1/2 x 19-1/8 5-1/2 x 24-1/8 5-1/2 x 33-5/8 5-/2 x 42-1/8

10

12

3.2

3.2

57 x 1.7 x 8
57 x 2.6 x 8
57 x 3.5 x 8

57 x 1.7 x 8
57 x 2.6 x 8
57 x 3.5 x 8

0.21
0.42
0.62
0.83

0.21
0.42
0.62
0.83

144
144
144

144
144
144

2.4
57 x 1.5 x 6
0.42
48
144

2.4
57 x 1.5 x 6
0.42
48
144

3
3
(1) 6.31 x 7.5 6.31 x 7.5
(2) 6.31 x 6.5
2
2

1
1
8-7/8 x 61-1/8 8-7/8 x 61-1/8
1
1
5-1/2 x 61-1/8 5-1/2 x 61-1/8

(a) Standard and high-capacity reheat coils share the same component data except that standard capacity reheat coils have 48 fins/ft while high-capacity
reheat coils have 144 fins/ft.

18

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General Data

Table 2.

Low vertical fan-coil general data

Unit Size
Coil Data
Face Area—ft2
L x D x H—in.
2-Row
3-Row
Volume—gal
1-Row (Heat)
2-Row
3-Row
Fins/ft
2-Row
3-Row
Fan/Motor Data
Fan Quantity
Size—Dia” x Width”
Motor Quantity
Filter Data
1” TA
Quantity
Size—in.

Table 3.

04

06

1.1

1.6

2.1

20 x 1.7 x 8
20 x 2.6 x 8

29.5 x 1.7 x 8
29.5 x 2.6 x 8

38 x 1.7 x 8
38 x 2.6 x 8

0.08
0.15
0.23

0.11
0.22
0.33

0.14
0.28
0.42

144
144

144
144

144
144

1
5 x 23
1

1
5 x 32
1

1
5 x 41
1

1
8-7/8 x 24-1/8

1
8-7/8 x 33-5/8

1
8-7/8 x 42-1/8

Fan-coil air flow (cfm)

FC

Coil

FD
0.05

02

2-row
3-row
4-row
2-row
3-row
4-row
2-row
3-row
4-row
2-row
3-row
4-row
2-row
3-row
4-row
2-row
3-row
4-row
2-row
3-row
4-row

246
242
222
313
309
276
381
365
340
609
604
557
790
724
676
1015
1052
988
1105
1074
993

03

04

06

08

10

12

UNT-PRC001-EN

03

External Static Pressure (ESP)
High Static
0.1
0.2
0.3
344
352
326
410
391
360
446
544
506
757
880
812
1014
992
930
1284
1456
1366
1424
1514
1421

314
319
295
380
358
330
410
506
470
700
824
760
950
927
870
1199
1360
1276
1330
1419
1330

283
284
263
350
324
299
373
467
434
642
766
706
885
861
808
1113
1262
1183
1234
1320
1238

0.4
251
249
230
319
290
267
336
427
397
582
707
652
819
794
745
1024
1162
1089
1134
1219
1144

19

UNT-PRC001-EN.book Page 20 Tuesday, May 8, 2012 10:54 AM

General Data
Piping Packages

Factory-Installed Piping Packages
UniTrane fan-coils have standard piping packages available as a factory built and installed option.
Piping package options are also available for the hot water reheat coil on two-pipe units equipped
with either a fan speed switch or Tracer ZN520 and UC400 controller. Factory built assures all piping
packages are fully tested under water for leaks and are built within strict tolerances. Factoryinstalled means that chilled and hot water pipes are the only field connections required. The
installer doesn’t have to sweat connect piping packages onto coil connections in a tight end pocket.
Field connections are brought to a point near the exterior of the unit for easy access. All piping and
components are located to allow condensate to drain into the auxiliary drain pan. Insulation of the
factory piping package is not required. However, all field connections should be insulated to
prevent condensation from missing the auxiliary drain pan.
Figure 1. Factory-installed and -tested piping package (two-pipe deluxe package with manual
circuit setter, shown on a horizontal concealed unit)

Piping Package Components
UniTrane piping packages consist of a variety of components for each application. The following
section provides a detailed description of each of the piping components. Following this section
are additional illustrations and specifications.

Piping System/Placement
Factory piping systems are available for either two or four-pipe systems with right or left hand
connections. Four-pipe systems have both the heating and cooling connections on the same side
of the unit. A simple coil connection (a unit without a piping package) is also available in either a
right or left hand configuration for those applications requiring field piping.

Interconnecting Piping
Interconnecting piping refers to the copper piping which is attached to the coil connections and to
which all other components (control valves, end valves, etc.) are attached. Piping is 1/2” nominal
OD copper. Two-pipe piping extends near the unit exterior to one inlet and one outlet connection.
Four-pipe units have two sets of piping that extend near the unit exterior — one inlet and one outlet
each for both chilled and hot water. A label clearly identifies chilled and hot water connection points
on every unit.

Deluxe or Basic Piping Package
The basic piping package includes only the main components of the piping package:
interconnecting piping, control valve option, and end valves.

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General Data
Piping Packages
The deluxe piping package also includes a strainer on the entering water pipe and unions at the
coil connections along with the basic components. The strainer body is cast brass construction,
with a stainless steel mesh strainer that is easily removed for cleaning. The unions are forged brass
construction and close with a minimum amount of effort.

End Valves
Each piping package includes a ball valve for the entering water pipe and one of the following end
valves on the leaving water pipe: ball valve, manual circuit setter, or an auto circuit setter. These
valves serve as the field connection points on all UniTrane piping packages.

Ball Valves. Ball valves, also known as stop or end valves, allow the unit to be cut off for service
purposes. These valves have a two-inch handle that rotates 90 percent to a fully open position. The
valve body is cast brass, and the ball is polished brass with a Teflon® seat. Ball valves are available
as end valves on both the entering and leaving water pipes.

Manual Circuit Setter
In lieu of a ball valve on the leaving water pipe, a manual circuit setter, also known as a manual flow
control valve, acts as both a flow setting device and a stop valve. This valve allows water flow
through the fan-coil unit to be set quickly and accurately.
The manual circuit setter includes Schrader ports in the valve body. These ports are used to
measure the pressure drop across the valve. This pressure drop can be compared to factory
supplied curves that relate the pressure drop to a specific flow rate. This valve also has a memory
stop so the correct setting can be found quickly.

Auto Circuit Setter
An auto circuit setter is an automatic flow control device available on the leaving water pipe. The
auto circuit setter includes a cartridge within the valve body that is sized to allow a specific flow
rate through the coil. This valve sets flow through the coil without any action required by a system
piping balancer. The auto circuit setter is available on the leaving water pipe with a ball valve. The
auto circuit setter also includes two P/Ts plugs in the valve body to allow measurement of the
pressure drop temperature through the valve.

Control Valves
Piping packages are available with or without control valves. All control valve options are factory
mounted and wired to the UniTrane fan-coil controls.

Two-Way/Two-Position Valves
These valves will either fully open or close in response to a 24 Vac signal from the Trane controller.
Main control valves are direct-acting valves, while the auxiliary valves are reverse-acting. All
control valves are factory mounted in the leaving water pipe downstream of the coil. Some means
of relieving pump head pressure should be accounted for when two-way valves are selected.
Normally open or normally closed valves are available.

Three-Way/Two-Position Valves
These valves will either allow full water flow through the coil or divert the flow through a bypass
line. The valves respond to a 24 Vac signal from the Trane controller. Main control valves are direct
acting valves, while the auxiliary valves are reverse-acting. All three-way valve packages include
a balance fitting in the bypass line to allow flow balancing in the bypass position. Three-way valves
are factory mounted in the leaving water pipe downstream of the coil. Normally open or normally
closed valves are available.

Two-Way Modulating Valves
These valves modulate the water flow through the coil in response to a signal from the Trane
controller. All modulating valves are three-wire floating point equal percentage valves. The
modulating valves are factory mounted in the leaving water pipe downstream of the coil.
UNT-PRC001-EN

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General Data
Piping Packages
Three-Way Modulating Valves
These valves modulate the water flow through the coil in response to a signal. Three-way valves
allow water that is directed through the coil to mix with water that is directed through the bypass
line. This mixture exits through the leaving water pipe. All modulating valves are three-wire
floating point equal percentage valves. The modulating valves are factory mounted in the leaving
water pipe downstream of the coil.

Auto Flow Valve (C)

22

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General Data

Selecting the Correct Modulating Valve Size
Modulating valves are available in any of four port sizes. The port sizes relate to a Cv of 0.6, 1.1, 2.3,
2.7, 3.3, and 3.8, which is the coefficient of flow. The coefficient of flow is defined as the volume of
water flow through a control valve in the fully open position with a 1 psig differential across the
valve. It is calculated using the following formula:
Cv = Q/Square root ΔP where:
Cv = flow coefficient
Q = flow rate (Gpm)
ΔP = pressure drop across the valve or coil (psig).
For good control, the valve Cv should be approximately equal to the Cv of the water coil.

Modulating Valve Selection Example
Assume a size 06 fan-coil is selected to operate at the following conditions:
Vertical Cabinet Fan-Coil
Entering water temperature = 45°F
Leaving water temperature = 55°F
EAT conditions = 80/67.
The coil is selected as a four-row coil.
Select the best modulating valve size for this unit.
1. Find the ΔP across the water coil. Refer to the AHRI performance table to determine the ΔP
across the water coil (or use TOPSS™ selection program). The water pressure drop is found to
be 7.0’ of water at a flow rate of 3.74 gpm. This converts to a pressure drop of 3.03 psig (1.0 feet
of water = 0.4328 psig.)
2. Calculate the Cv of the water coil.
Cv = Gpm/Square root ΔP
Cv = 3.74/Square root 3.03
Cv = 2.15
Therefore, the valve with the Cv of 2.7 should be selected since it has the Cv which is closest
to the Cv of the water coil. The following tables illustrate possible valve selections at AHRI
conditions for horizontal concealed units with a high static motor and vertical cabinet units with
a free discharge motor.
Note: Do not use these tables for any applications other than vertical cabinet or horizontal
concealed units at AHRI conditions.

UNT-PRC001-EN

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UNT-PRC001-EN.book Page 24 Tuesday, May 8, 2012 10:54 AM

General Data

Table 4.

Modulating valve selections for horizontal concealed units

Unit Size

Coil

02

2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row

03

04

06

08

10

12

Table 5.

Coil

02

2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row
2-Row
3-Row
4-Row

04

06

08

10

12

24

1.29
1.80
1.84
1.58
1.86
2.26
1.90
2.94
3.35
3.32
4.24
4.99
3.90
5.13
5.68
5.23
7.14
7.63
6.35
7.98
9.47

8.8
23.9
6.1
14.1
5.4
9.7
4.6
13.9
22.3
15.3
7.5
11.9
5.7
11.8
16.9
10.8
24.2
32.8
16.6
18.5
25.2

Coil
Cv

Valve
Cv

0.66
0.56
1.13
0.64
1.22
1.10
1.35
1.20
1.08
1.29
2.35
2.20
2.48
2.27
2.10
2.42
2.21
2.03
2.37
2.82
2.87

0.7
0.7
1.5
0.7
1.5
1.5
1.5
1.5
0.7
1.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5

Coil
Cv

Valve
Cv

0.64
0.54
1.11
0.63
1.19
1.08
1.33
1.17
1.05
1.27
2.31
2.15
2.45
2.23
2.05
2.39
2.17
1.98
2.34
2.79
2.80

0.7
0.7
1.5
0.7
1.5
0.7
1.5
1.5
0.7
1.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1.5
2.5
2.5
2.5

Modulating valve selections for vertical cabinet units

Unit Size

03

Horizontal Concealed (High Static Motor)
Coil
Gpm
WPD

Vertical Cabinet (Free Discharge Motor)
Coil
Gpm
WPD
1.04
1.40
1.40
1.32
1.57
1.88
1.68
2.25
2.54
2.86
3.19
3.74
3.14
4.01
4.44
4.39
5.60
5.88
5.28
6.14
7.23

6.1
15.4
3.7
10.3
4.0
7.0
3.7
8.6
13.6
11.7
4.4
7.0
3.8
7.5
10.8
7.8
15.4
20.4
11.8
11.2
15.4

UNT-PRC001-EN

UNT-PRC001-EN.book Page 25 Tuesday, May 8, 2012 10:54 AM

Performance Data
UniTrane fan-coil performance data is submitted to AHRI with units grouped based on
performance. Unit performance is impacted by the unit model and the airflow inlet and outlet
configuration. Below is a table which summarizes the performance groups.
Table 6.

UNT-PRC001-EN

Fan-Coil performance groupings

UNIT TYPE

Motor Type

Filter

External
Static

Performance Tables

Horizontal Concealed

Free Discharge

NO

0.05

Table 7, 8, 21 & 22

Compact Concealed

Free Discharge

NO

0.05

Horizontal Recessed

Free Discharge

NO

0.05

Vertical Recessed

Free Discharge

NO

0.05

Vertical Concealed

Free Discharge

NO

0.05

Table 9, 10, 23 & 24

Horizontal Cabinet

Free Discharge

YES

0.00

Table 11, 12, 25 & 26

0.00

Vertical Cabinet

Free Discharge

YES

Vertical Slope Top

Free Discharge

YES

0.00

Table 13, 14, 27 & 28

Low Vertical Cabinet

Free Discharge

YES

0.00

Table 15 & 16

Low Vertical Concealed

Free Discharge

NO

0.05

Horizontal Concealed

High Static

NO

0.20

Compact Concealed

High Static

NO

0.20

Horizontal Recessed

High Static

NO

0.20

Vertical Recessed

High Static

NO

0.20

Horizontal Cabinet

High Static

NO

0.20

Vertical Concealed

High Static

NO

0.20

Table 17, 18, 29, & 30

Table 19, 20, 31, & 32

25

UNT-PRC001-EN.book Page 26 Tuesday, May 8, 2012 10:54 AM

Performance Data
Main Coil

Horizontal Concealed, Compact Concealed, Horizontal Recessed, and Vertical Recessed
AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water
temperature with a 10°F ΔT.
Heating performance is based on 70°F entering air temperature, 180°F entering hot water
temperature with a 30°F ΔT.
All performance measured on high speed tap, 115 V, 0.05 ESP, without filter. Free discharge EC
motor. See Table 6, p. 25 for performance groupings.
Table 7.

2-pipe performance—free discharge EC motor
COOLING

SIZE
020

030

040

060

080

100

120

Table 8.

COIL
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC

Airflow
(cfm)
246
242
222
313
309
276
381
365
340
609
604
557
790
724
676
1015
1052
988
1105
1074
993

Total
Capacity
(MBh)
5.93
6.79
8.15
6.71
7.96
9.51
8.47
11.36
12.76
14.73
16.49
19.16
16.11
20.50
22.59
25.90
31.14
36.48
26.94
31.39
36.46

Sensible
Capacity
4.38
5.01
5.55
5.07
5.98
6.56
6.76
8.03
8.52
11.13
12.37
13.20
13.12
14.61
15.32
19.29
22.21
24.00
20.19
22.40
23.99

Flow Rate
(gpm)
1.2
1.4
1.7
1.4
1.6
1.9
1.7
2.3
2.6
3.0
3.3
3.9
3.3
4.2
4.6
5.3
6.3
7.4
5.5
6.4
7.4

WPD
(ft H20)
8.01
2.87
5.03
9.90
3.81
6.59
3.55
8.21
12.80
11.56
4.43
6.90
3.83
7.41
10.55
10.84
11.09
14.94
11.69
11.29
14.96

Total
Capacity
(MBh)
16.67
20.14
21.47
16.62
24.16
25.69
23.99
30.03
32.46
38.28
47.33
51.53
48.08
58.69
69.94
66.92
85.99
94.57
70.87
87.33
94.96

HEATING
Flow
Rate
(gpm)
Q/ITD
0.152
1.1
0.183
1.3
0.195
1.4
0.178
1.3
0.220
1.6
0.234
1.7
0.218
1.6
0.273
2.0
0.295
2.2
0.348
2.6
0.430
3.2
0.468
3.4
0.437
3.2
0.534
3.9
0.581
4.3
0.608
4.5
0.782
5.7
0.860
6.3
0.644
4.7
0.794
5.8
0.863
6.3

WPD
(ft H20)
5.36
2.26
3.18
7.15
3.15
4.39
2.61
5.29
7.63
7.34
3.60
4.88
3.35
5.89
8.08
7.22
8.81
10.19
8.05
9.08
10.27

Motor
Power
(W)
37
37
37
39
39
39
58
58
58
79
79
79
122
122
122
145
145
145
160
160
160

4-pipe performance—free discharge EC motor

COOLING
HEATING
Total
Sensible
Total
Motor
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Capacity
Power
Airflow
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
(gpm)
(ft H20)
(MBh)
(W)
SIZE
COIL
(cfm)
020
2C/1H
242
5.82
4.28
1.2
7.75
9.37
0.085
0.6
0.95
37
2C/2H
222
5.54
4.05
1.1
7.13
15.47
0.141
1.0
4.70
37
3C/1H
222
6.42
4.72
1.3
2.61
8.86
0.081
0.6
0.86
37
030
2C/1H
309
6.66
5.03
1.4
9.79
10.85
0.099
0.7
1.23
39
2C/2H
276
6.33
4.72
1.3
8.97
18.06
0.164
1.2
6.18
39
3C/1H
276
7.47
5.57
1.5
3.40
10.10
0.092
0.7
1.10
39
040
2C/1H
365
8.25
6.56
1.7
3.39
13.88
0.126
0.9
2.25
58
2C/2H
340
7.89
6.24
1.6
3.13
22.20
0.202
1.5
2.26
58
3C/1H
340
10.90
7.66
2.2
7.63
13.27
0.121
0.9
2.08
58
060
2C/1H
604
14.65
11.05
3.0
11.45
22.51
0.205
1.5
6.82
79
2C/2H
557
14.03
10.51
2.9
10.62
36.12
0.328
2.4
6.60
79
3C/1H
557
15.70
11.72
3.2
4.05
21.46
0.195
1.4
6.27
79
080
2C/1H
724
15.25
12.35
3.1
3.47
28.15
0.256
1.9
12.21
122
2C/2H
676
14.65
11.82
3.0
3.22
43.37
0.394
2.9
2.76
122
3C/1H
676
19.79
14.05
4.0
6.95
27.02
0.246
1.8
11.35
122
100
2C/1H
1052
26.31
19.64
5.3
11.15
42.10
0.383
2.8
36.37
145
2C/2H
988
25.41
18.86
5.2
10.47
65.71
0.597
4.4
6.97
145
3C/1H
988
30.02
21.33
6.1
10.35
40.52
0.368
2.7
32.11
145
120
2C/1H
1074
26.51
19.82
5.4
11.35
42.63
0.388
2.8
35.15
160
2C/2H
993
25.42
18.88
5.2
10.52
65.94
0.599
4.4
7.02
160
3C/1H
993
30.03
21.33
6.1
10.39
40.65
0.370
2.7
32.29
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

26

UNT-PRC001-EN

UNT-PRC001-EN.book Page 27 Tuesday, May 8, 2012 10:54 AM

Performance Data
Main Coil

Vertical Concealed
AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water
temperature with a 10°F ΔT.
Heating performance is based on 70°F entering air temperature, 180°F entering hot water
temperature with a 30°F ΔT.
All performance measured on high speed tap, 115 V, 0.05 ESP, without filter. Free discharge EC
motor. See Table 6, p. 25 for performance groupings.
Table 9.

2-pipe performance—free discharge EC motor
COOLING

SIZE
020

030

040

060

080

100

120

COIL
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC

Airflow
(cfm)
211
205
192
272
270
247
340
328
309
535
531
499
697
646
612
891
913
870
980
958
899

Total
Capacity
(MBh)
5.46
6.13
7.41
6.32
7.42
8.92
7.96
10.73
12.09
13.91
15.32
17.98
15.10
19.42
21.47
24.19
28.89
34.18
25.42
29.60
34.69

Sensible
Capacity
3.98
4.48
5.02
4.71
5.53
6.12
6.30
7.53
8.03
10.35
11.41
12.33
12.22
13.76
14.50
17.83
20.45
22.36
18.87
21.00
22.72

Flow Rate
(gpm)
1.1
1.3
1.5
1.3
1.5
1.8
1.6
2.2
2.5
2.8
3.1
3.6
3.1
4.0
4.4
4.9
5.9
6.9
5.2
6.0
7.0

WPD
(ft H20)
6.96
2.40
4.26
8.95
3.36
5.89
3.18
7.42
11.65
10.45
3.87
6.15
3.41
6.72
9.63
9.57
9.63
13.30
10.51
10.11
13.70

Total
Capacity
(MBh)
14.90
17.62
18.93
17.89
21.91
23.48
22.20
27.64
29.98
35.16
43.06
47.12
44.27
53.89
58.93
61.02
77.21
85.08
65.30
80.10
87.45

HEATING
Flow
Rate
(gpm)
Q/ITD
0.136
1.0
0.160
1.2
0.172
1.3
0.163
1.2
0.199
1.5
0.213
1.6
0.202
1.5
0.251
1.8
0.273
2.0
0.320
2.3
0.391
2.9
0.428
3.1
0.402
3.0
0.490
3.6
0.536
3.9
0.555
4.1
0.702
5.1
0.773
5.7
0.594
4.4
0.728
5.3
0.795
5.8

WPD
(ft H20)
4.40
1.78
2.53
6.07
2.64
3.73
2.26
4.55
6.61
6.28
3.01
4.13
2.86
5.02
6.94
6.06
7.16
8.40
6.89
7.68
8.84

Motor
Power
(W)
37
37
37
39
39
39
58
58
58
79
79
79
122
122
122
145
145
145
160
160
160

Table 10. 4-pipe performance—free discharge EC motor
COOLING
HEATING
Total
Sensible
Total
Motor
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Capacity
Power
Airflow
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
(gpm)
(ft H20)
(MBh)
(W)
SIZE
COIL
(cfm)
200
2C/1H
205
5.31
3.86
1.1
6.65
8.37
0.076
0.6
0.78
37
2C/2H
192
5.09
3.68
1.0
6.20
13.82
0.126
0.9
3.86
37
3C/1H
192
5.84
4.26
1.2
2.21
7.99
0.073
0.5
0.72
37
300
2C/1H
270
6.29
4.69
1.3
8.87
10.03
0.091
0.7
1.07
39
2C/2H
247
5.99
4.42
1.2
8.16
16.73
0.152
1.1
5.39
39
3C/1H
247
7.02
5.20
1.4
3.05
9.50
0.086
0.6
0.98
39
400
2C/1H
328
7.75
6.12
1.6
3.04
12.97
0.118
0.9
2.00
58
2C/2H
309
7.46
5.85
1.5
2.83
20.73
0.188
1.4
2.00
58
3C/1H
309
10.33
7.22
2.1
6.94
12.48
0.113
0.8
1.86
58
600
2C/1H
531
13.82
10.28
2.8
10.34
20.85
0.190
1.4
6.28
79
2C/2H
499
13.32
9.85
2.7
9.68
33.46
0.304
2.2
5.74
79
3C/1H
499
14.68
10.89
3.0
3.58
20.05
0.182
1.3
5.56
79
800
2C/1H
646
14.33
11.55
3.10
2.95
26.26
0.239
1.8
10.79
122
2C/2H
612
13.82
11.11
2.8
2.90
40.46
0.368
2.7
2.41
122
3C/1H
612
18.82
13.30
3.8
6.35
25.37
0.231
1.7
10.15
122
1000
2C/1H
913
24.48
18.07
5.0
9.78
38.52
0.350
2.6
29.34
145
2C/2H
870
23.74
17.45
4.8
9.24
59.96
0.545
4.0
5.87
145
3C/1H
870
27.95
19.73
5.7
9.05
37.29
0.339
2.5
27.69
145
1200
2C/1H
958
25.06
18.59
5.1
10.24
39.72
0.361
2.7
30.98
160
2C/2H
899
24.13
17.78
4.9
9.56
61.42
0.558
4.1
6.14
160
3C/1H
899
28.43
20.10
5.8
9.38
38.12
0.347
2.5
28.79
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN

27

UNT-PRC001-EN.book Page 28 Tuesday, May 8, 2012 10:54 AM

Performance Data
Main Coil

Horizontal Cabinet and Vertical Cabinet
AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water
temperature with a 10°F ΔT.
Heating performance is based on 70°F entering air temperature, 180°F entering hot water
temperature with a 30°F ΔT.
All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge
EC motor. See Table 6, p. 25 for performance groupings.
Table 11. 2-pipe performance—free discharge EC motor

SIZE
020

030

040

060

080

100

120

COIL
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC

Airflow
(cfm)
222
217
204
280
277
256
349
338
320
544
541
510
706
659
627
912
933
893
996
976
921

Total
Capacity
(MBh)
5.61
6.35
7.72
6.41
7.53
9.10
8.08
10.91
12.33
13.94
15.48
18.23
15.21
19.62
21.75
24.50
29.25
34.66
25.64
29.90
35.13

COOLING
Sensible
Capacity Flow Rate
(MBh)
(gpm)
4.11
1.1
4.66
1.3
5.24
1.6
4.79
1.3
5.62
1.5
6.26
1.8
6.41
1.7
7.67
2.2
8.21
2.5
10.42
2.8
11.54
3.1
12.51
3.7
12.31
3.1
13.92
4.0
14.70
4.4
18.09
5.0
20.73
5.9
22.70
7.0
19.06
5.2
21.23
6.1
23.04
7.1

HEATING
WPD
(ft H20)
7.29
2.56
4.58
9.15
3.45
6.11
3.26
7.64
12.06
10.49
3.95
6.30
3.45
6.84
9.86
9.80
9.86
13.64
10.68
10.31
14.01

Total
Capacity
(MBh)
15.45
18.45
19.96
18.22
22.36
24.14
22.62
28.29
30.86
35.55
43.63
48.00
44.65
54.73
60.12
62.07
78.53
86.94
66.06
81.27
89.25

Q/ITD
0.140
0.168
0.181
0.166
0.203
0.219
0.206
0.257
0.281
0.323
0.397
0.437
0.406
0.498
0.547
0.564
0.714
0.790
0.601
0.739
0.811

Flow Rate
(gpm)
1.0
1.2
1.3
1.2
1.5
1.6
1.5
1.9
2.1
2.4
2.9
3.2
3.0
3.7
4.0
4.1
5.2
5.8
4.4
5.4
5.9

WPD
(ft H20)
4.69
1.93
2.78
6.27
2.74
3.92
2.34
4.74
6.96
6.41
3.08
4.28
2.91
5.17
7.20
6.26
7.39
8.74
7.04
7.90
9.17

Motor
Power
(W)
37
37
37
39
39
39
58
58
58
79
79
79
122
122
122
145
145
145
160
160
160

Table 12. 4-pipe performance—free discharge EC motor
COOLING
HEATING
Total
Sensible
Total
Motor
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Capacity
Power
Airflow
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
(gpm)
(ft H20)
(MBh)
(W)
SIZE
COIL
(cfm)
020
2C/1H
217
5.49
4.00
1.1
7.02
8.70
0.079
0.6
0.88
37
2C/2H
204
5.28
3.83
1.1
6.58
14.50
0.132
1.0
4.20
37
3C/1H
204
6.09
4.45
1.2
2.37
8.35
0.076
0.6
0.78
37
030
2C/1H
277
6.38
4.76
1.3
9.08
10.20
0.093
0.7
1.11
39
2C/2H
256
6.09
4.52
1.2
8.40
17.13
0.156
1.1
5.62
39
3C/1H
256
7.16
5.31
1.5
3.16
9.70
0.088
0.7
1.01
39
040
2C/1H
338
7.89
6.24
1.6
3.13
13.22
0.120
0.9
2.06
58
2C/2H
320
7.61
5.99
1.6
2.94
21.26
0.193
1.4
2.09
58
3C/1H
320
10.53
7.38
2.1
7.19
12.76
0.116
0.9
1.94
58
060
2C/1H
541
13.86
10.35
2.8
10.39
21.08
0.192
1.4
6.08
79
2C/2H
510
13.48
9.99
2.7
9.90
34.00
0.309
2.3
6.91
79
3C/1H
510
14.89
11.06
3.0
3.68
20.34
0.185
1.4
5.70
79
080
2C/1H
659
14.50
11.69
3.0
3.16
26.60
0.242
1.8
11.04
122
2C/2H
627
14.02
11.29
2.9
2.98
41.17
0.374
2.7
2.50
122
3C/1H
627
19.06
13.49
3.9
6.50
25.78
0.234
1.7
10.44
122
100
2C/1H
933
24.77
18.32
5.0
9.99
39.07
0.355
2.6
30.09
145
2C/2H
893
24.08
17.74
4.9
9.49
61.10
0.555
4.1
6.08
145
3C/1H
893
28.38
20.06
5.8
9.31
37.94
0.345
2.5
28.55
145
2C/1H
976
25.30
18.77
5.2
10.42
40.19
0.365
2.7
31.65
160
120
2C/2H
921
24.45
18.05
5.0
9.80
62.51
0.568
4.2
6.35
160
3C/1H
921
28.83
20.40
5.9
9.63
38.73
0.352
2.6
29.63
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

28

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UNT-PRC001-EN.book Page 29 Tuesday, May 8, 2012 10:54 AM

Performance Data
Main Coil

Vertical Slope Top Cabinet
AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water
temperature with a 10°F ΔT.
Heating performance is based on 70°F entering air temperature, 180°F entering hot water
temperature with a 30°F ΔT.
All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge
EC motor. See Table 6, p. 25 for performance groupings.
Table 13. 2-pipe performance—free discharge EC motor

SIZE
020

030

040

060

080

100

120

COIL
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC

Airflow
(cfm)
206
200
190
262
260
242
330
320
304
512
508
483
665
623
596
856
873
839
940
923
876

Total
Capacity
(MBh)
5.38
6.04
7.36
6.20
7.26
8.80
7.82
10.58
11.98
13.57
14.90
17.63
14.70
19.06
21.16
23.65
28.13
33.51
24.88
29.00
34.22

COOLING
Sensible
Capacity
Flow Rate
(MBh)
(gpm)
3.91
1.1
4.41
1.2
4.98
1.5
4.61
1.2
5.40
1.5
6.03
1.8
6.17
1.6
7.41
2.2
7.95
2.4
10.06
2.8
11.07
3.0
12.07
3.6
11.87
3.0
13.49
3.9
14.28
4.3
17.37
4.8
19.87
5.7
21.88
6.8
18.41
5.1
20.53
5.9
22.38
6.9

HEATING
WPD
(ft H20)
6.79
2.34
4.21
8.65
3.24
5.75
3.08
7.24
11.46
10.01
3.69
5.93
3.24
6.50
9.38
9.18
9.16
12.84
10.11
9.73
13.36

Total
Capacity
(MBh)
14.62
17.31
18.75
17.41
21.30
23.05
21.74
27.11
29.58
34.08
41.65
45.88
42.86
52.43
57.64
59.27
74.54
82.50
63.44
77.83
85.55

Q/ITD
0.133
0.157
0.170
0.158
0.194
0.210
0.198
0.246
0.269
0.310
0.379
0.417
0.390
0.477
0.524
0.539
0.678
0.750
0.577
0.708
0.778

Flow Rate
(gpm)
1.0
1.2
1.3
1.2
1.4
1.5
1.5
1.8
2.0
2.3
2.8
3.1
2.9
3.5
3.8
4.0
5.0
5.5
4.2
5.2
5.7

WPD
(ft H20)
4.25
1.72
2.49
5.79
2.50
3.61
2.18
4.39
6.45
5.94
2.83
3.93
2.69
4.77
6.66
5.74
6.69
7.95
6.52
7.27
8.49

Motor
Power
(W)
37
37
37
39
39
39
58
58
58
79
79
79
122
122
122
145
145
145
160
160
160

Table 14. 4-pipe performance—free discharge EC motor

SIZE

COIL

Airflow
(cfm)

Total
Capacity
(MBh)

020

2C/1H
2C/2H
3C/1H
2C/1H
2C/2H
3C/1H
2C/1H
2C/2H
3C/1H
2C/1H
2C/2H
3C/1H
2C/1H
2C/2H
3C/1H
2C/1H
2C/2H
3C/1H
2C/1H
2C/2H

200
190
190
260
242
242
320
304
304
508
483
483
623
596
596
873
839
839
923
876

5.24
5.06
5.80
6.17
5.91
6.92
7.64
7.38
10.23
13.49
13.07
14.37
14.02
13.59
18.55
23.87
23.25
27.33
24.57
23.78

030

040

060

080

100

120

COOLING
Flow
Sensible
Rate
Capacity
(gpm)
(MBh)

3.80
3.65
4.22
4.58
4.36
5.12
6.02
5.79
7.14
9.99
9.64
10.65
11.29
10.92
13.09
17.56
17.04
19.26
18.15
17.48

1.1
1.0
1.2
1.3
1.2
1.4
1.6
1.5
2.1
2.7
2.7
2.9
2.9
2.7
3.8
4.9
4.7
5.6
5.0
4.9

HEATING
WPD
(ft H20)

Total Capacity
(MBh)

Q/ITD

Flow Rate
(gpm)

WPD
(ft H20)

Motor
Power
(W)

6.51
6.13
2.18
8.59
7.99
2.98
2.96
2.78
6.83
9.90
9.37
3.45
2.98
2.81
6.18
9.34
8.90
8.68
9.88
9.31

8.24
13.71
7.93
9.81
16.46
9.36
12.77
20.50
12.35
20.29
32.70
19.64
25.67
39.70
24.94
37.39
58.37
36.38
38.78
60.25

0.075
0.125
0.072
0.089
0.150
0.085
0.116
0.186
0.112
0.184
0.297
0.179
0.233
0.361
0.227
0.340
0.531
0.331
0.353
0.548

0.6
0.9
0.5
0.7
1.1
0.6
0.9
1.4
0.8
1.4
2.2
1.3
1.7
2.6
1.7
2.5
3.9
2.4
2.6
4.0

0.76
3.80
0.71
1.03
5.24
0.95
1.94
1.96
1.83
5.68
5.50
5.36
10.36
2.33
9.85
27.83
5.57
26.50
26.69
5.92

37
37
37
39
39
39
58
58
58
79
79
79
122
122
122
145
145
145
160
160

3C/1H
876
28.00
19.77
5.7
9.11
37.46
0.341
2.5
27.91
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN

29

UNT-PRC001-EN.book Page 30 Tuesday, May 8, 2012 10:54 AM

Performance Data
Main Coil

Low Vertical Cabinet and Low Vertical Concealed
AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water
temperature with a 10°F ΔT.
Heating performance is based on 70°F entering air temperature, 180°F entering hot water
temperature with a 30°F ΔT.
All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge
EC motor. See Table 6, p. 25 for performance groupings.
Table 15. 2-pipe performance—free discharge EC motor

SIZE
030

040

060

COIL
2HC
2HC
3HC
2HC
2HC
3HC
2HC
2HC
3HC

Unit Type
Cabinet
Concealed
Concealed
Cabinet
Concealed
Concealed
Cabinet
Concealed
Concealed

Airflow
(cfm)
285
285
255
380
380
350
551
551
492

Total
Capacity
(MBh)
6.58
6.58
7.50
10.70
10.70
9.94
12.04
12.04
14.33

COOLING
Flow
Sensible
Rate
Capacity
(gpm)
(MBh)
5.24
1.31
5.24
1.31
5.29
1.49
7.70
2.13
7.70
2.13
7.35
1.98
9.87
2.40
9.87
2.40
10.10
2.86

WPD
(ft H20)
2.16
2.16
3.37
6.31
6.31
1.69
2.12
2.12
3.69

Total
Capacity
(MBh)
19.51
19.51
22.51
27.28
27.28
30.71
37.45
37.45
43.29

HEATING
Flow
Rate
(gpm)
Q/ITD
0.18
1.30
0.18
1.30
0.20
1.50
0.25
1.82
0.25
1.82
0.28
2.05
0.34
2.49
0.34
2.49
0.39
2.88

WPD
(ft H20)
1.79
1.79
3.13
3.95
3.95
1.59
2.08
2.08
3.33

Motor
Power
(W)
28
28
28
50
50
50
66
66
66

Table 16. 4-pipe performance—free discharge EC motor
COOLING
HEATING
Flow
Total
Flow
Sensible
Total
Motor
Rate
WPD
Capacity
Rate
WPD
Capacity
Capacity
Power
Airflow
(gpm)
(ft H20)
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
(MBh)
(W)
SIZE
COIL
Unit Type
(cfm)
2C/1H
Cabinet
255
6.02
4.76
1.20
1.84
10.89
0.10
0.73
1.47
28
030
2C/2H
Concealed
239
5.68
4.48
1.13
1.66
17.02
0.15
1.13
1.39
28
3C/1H
Concealed
239
7.05
4.96
1.41
3.40
10.39
0.09
0.69
1.35
28
2C/1H
Cabinet
350
9.95
7.10
1.98
5.53
15.60
0.14
1.04
3.58
50
040
2C/2H
Concealed
320
9.13
6.46
1.82
4.74
23.64
0.21
1.57
3.04
50
3C/1H
Concealed
320
8.87
6.59
1.77
1.37
14.52
0.13
0.97
3.15
50
2C/1H
Cabinet
492
10.99
8.99
2.19
1.79
21.80
0.20
1.45
7.76
66
060
2C/2H
Concealed
449
9.89
8.19
1.97
1.47
31.87
0.29
2.12
1.54
66
3C/1H
Concealed
449
13.33
9.37
2.66
3.23
20.31
0.18
1.35
6.85
66
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

30

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UNT-PRC001-EN.book Page 31 Tuesday, May 8, 2012 10:54 AM

Performance Data
Main Coil

Horizontal Concealed, Compact Concealed, Horizontal Cabinet, Horizontal Recessed and
Vertical Recessed
AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water
temperature with a 10°F ΔT.
Heating performance is based on 70°F entering air temperature, 180°F entering hot water
temperature with a 30°F ΔT.
All performance measured on high speed tap, 115 V, 0.20 ESP, without filter. High static EC motor.
See Table 6, p. 25 for performance groupings.
Table 17. 2-pipe performance—high static EC motor

SIZE

200

300

400

600

800

1000

1200

COIL
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC

Airflow
(cfm)
314
319
295
380
358
330
410
506
470
700
824
760
950
927
870
1199
1360
1276
1330
1419
1330

Total
Capacity
(MBh)
6.92
8.40
10.27
7.63
9.00
11.05
9.09
14.30
16.38
16.22
20.72
24.46
18.83
25.08
27.85
29.39
38.20
45.19
30.90
39.09
46.31

COOLING
Flow
Sensible
Rate
Capacity
(gpm)
(MBh)
5.25
1.4
6.35
1.7
7.14
2.1
5.91
1.6
6.88
1.9
7.75
2.3
7.33
1.9
10.45
2.9
11.23
3.3
12.50
3.3
16.04
4.2
17.32
5.0
15.64
4.0
18.35
5.2
19.29
5.8
22.38
6.0
27.95
7.8
30.40
9.2
23.78
6.4
28.71
8.0
31.24
9.4

HEATING
WPD
(ft H20)
10.83
4.32
7.75
12.84
4.89
8.83
4.16
12.60
20.25
14.16
6.91
10.99
5.40
11.17
16.00
13.98
16.58
22.30
15.50
17.49
23.50

Total
Capacity
(MBh)
19.68
24.71
27.07
22.14
26.79
29.53
25.18
37.81
41.90
41.80
58.43
65.21
53.86
69.93
77.84
74.76
103.27
115.47
79.76
106.28
119.18

Q/ITD
0.179
0.225
0.246
0.201
0.244
0.268
0.229
0.344
0.381
0.380
0.531
0.593
0.490
0.636
0.708
0.680
0.939
1.050
0.725
0.966
1.083

Flow Rate
(gpm)
1.3
1.7
1.8
1.5
1.8
2.0
1.7
2.5
2.8
2.8
3.9
4.3
3.6
4.7
5.2
5.0
6.9
7.7
5.3
7.1
7.9

WPD
(ft H20)
7.18
3.28
4.83
8.85
3.80
5.65
2.85
8.05
12.12
8.63
5.36
7.59
4.16
8.20
11.67
8.90
12.55
14.73
10.07
13.27
15.62

Motor
Power
(W)
84
84
84
91
91
91
110
110
110
162
162
162
298
298
298
252
252
252
314
314
314

Table 18. 4-pipe performance—high static EC motor
COOLING
Sensible
Capacity
Flow Rate
(MBh)
(gpm)
5.27
1.4
5.03
1.4
6.03
1.7
5.66
1.5
5.40
1.5
6.53
1.8
8.42
2.1
8.04
2.0
9.99
2.8
13.85
3.6
13.19
3.5
15.21
4.1
15.35
3.9
14.74
3.8
17.66
5.0
24.13
6.4
23.20
6.2
26.84
7.5
24.73
6.6
23.78
6.4

HEATING
Total
Capacity
(MBh)
11.04
18.88
10.57
11.76
20.30
11.26
16.64
27.44
16.02
26.58
43.91
25.49
32.36
51.06
31.26
48.74
77.72
47.07
49.85
79.78

Motor
Flow Rate
WPD
WPD
Airflow Total Capacity
Power
Q/ITD
(gpm)
(ft H20)
(ft H20)
SIZE
COIL
(cfm)
(MBh)
(W)
200
2C/1H
319
6.94
10.89
0.100
0.7
1.27
37
2C/2H
295
6.67
10.18
0.172
1.3
6.68
37
3C/1H
295
8.04
4.00
0.096
0.7
1.18
37
300
2C/1H
358
7.37
12.10
0.107
0.8
1.42
39
2C/2H
330
7.08
11.32
0.185
1.4
7.59
39
3C/1H
330
8.60
4.52
0.102
0.8
1.32
39
400
2C/1H
506
10.23
5.10
0.151
1.1
3.09
58
2C/2H
470
9.83
4.77
0.249
1.8
3.34
58
3C/1H
470
13.76
11.77
0.146
1.1
2.89
58
600
2C/1H
824
17.64
16.39
0.242
1.8
9.16
79
2C/2H
760
16.95
15.28
0.399
2.9
9.45
79
3C/1H
760
19.80
6.36
0.232
1.7
8.51
79
800
2C/1H
927
18.53
5.25
0.294
2.2
15.63
122
2C/2H
870
17.89
4.93
0.464
3.4
3.76
122
3C/1H
870
24.27
10.53
0.284
2.1
14.70
122
1000
2C/1H
1360
31.27
15.64
0.443
3.3
44.63
145
2C/2H
1276
30.28
14.75
0.707
5.2
9.58
145
3C/1H
1276
36.88
15.53
0.428
3.1
41.94
145
1200
2C/1H
1419
31.90
16.42
0.453
3.3
46.47
160
2C/2H
1330
30.90
15.49
0.725
5.3
10.07
160
1330
3C/1H
37.78
27.59
7.7
16.41
48.17
0.438
3.2
43.70
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN

31

UNT-PRC001-EN.book Page 32 Tuesday, May 8, 2012 10:54 AM

Performance Data
Main Coil

Vertical Concealed
AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water
temperature with a 10°F ΔT.
Heating performance is based on 70°F entering air temperature, 180°F entering hot water
temperature with a 30°F ΔT.
All performance measured on high speed tap, 115 V, 0.20 ESP, without filter. High static EC motor.
See Table 6, p. 25 for performance groupings.
Table 19. 2-pipe performance—high static EC motor

SIZE
020

030

040

060

080

100

120

COIL
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC
2HC
3HC
4HC

Airflow
(cfm)
274
274
258
341
319
299
377
455
429
632
733
687
865
845
800
1089
1206
1145
1218
1291
1223

Total
Capacity
(MBh)
6.45
7.71
9.45
7.26
8.47
10.43
8.67
13.57
15.58
15.42
19.49
23.15
17.96
24.00
26.69
27.95
35.92
42.77
29.62
37.31
44.42

COOLING
Sensible
Capacity Flow Rate
(MBh)
(gpm)
4.83
1.3
5.76
1.6
6.51
1.9
5.56
1.5
6.41
1.8
7.27
2.1
6.94
1.8
9.83
2.8
10.61
3.2
11.76
3.2
14.93
4.0
16.27
4.7
14.80
3.8
17.44
5.0
18.39
5.5
21.08
5.7
26.04
7.3
28.58
8.7
22.60
6.1
27.20
7.7
29.81
9.1

HEATING
WPD
(ft H20)
9.63
3.72
6.71
11.80
4.40
8.0
3.83
11.49
18.55
12.96
6.18
9.95
4.96
10.33
14.85
12.76
14.78
20.20
14.36
16.04
21.81

Total
Capacity
(MBh)
17.95
22.13
24.31
20.70
24.76
27.36
23.84
35.17
39.04
39.23
54.10
60.53
50.88
65.58
73.06
70.18
95.02
106.34
75.51
99.64
111.87

Q/ITD
0.163
0.201
0.221
0.188
0.225
0.249
0.217
0.320
0.355
0.357
0.492
0.550
0.463
0.596
0.664
0.638
0.864
0.967
0.686
0.906
1.017

Flow Rate
(gpm)
1.2
1.5
1.6
1.4
1.7
1.8
1.6
2.3
2.6
2.6
3.6
4.0
3.4
4.4
4.9
4.7
6.3
7.1
5.0
6.6
7.5

WPD
(ft H20)
6.11
2.68
3.97
7.86
3.29
4.92
2.58
7.05
10.66
7.68
4.63
6.60
3.73
7.26
10.36
7.90
10.68
12.65
9.07
11.71
13.89

Motor
Power
(W)
84
84
84
91
91
91
110
110
110
162
162
162
298
298
298
252
252
252
314
314
314

Table 20. 4-pipe performance—high static EC motor
COOLING
HEATING
Total
Sensible
Total
Motor
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Capacity
Power
Airflow
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
(gpm)
(ft H20)
(MBh)
(W)
SIZE
COIL
(cfm)
020
2C/1H
217
5.49
4.00
1.11
7.02
8.70
0.079
0.6
0.84
37
2C/2H
204
5.28
3.83
1.1
6.58
14.50
0.132
1.0
43.20
37
3C/1H
204
6.09
4.45
1.2
2.37
8.35
0.076
0.6
0.78
37
030
2C/1H
277
6.38
4.76
1.2
9.08
10.20
0.093
0.7
1.11
39
2C/2H
256
6.09
4.52
1.2
8.40
17.13
0.156
1.1
5.93
39
3C/1H
256
7.16
5.31
1.5
3.16
9.70
0.088
0.7
1.01
39
040
2C/1H
338
7.89
6.24
1.6
3.13
13.22
0.120
0.9
2.06
58
2C/2H
320
7.61
5.99
1.6
2.94
21.26
0.193
1.4
2.09
58
3C/1H
320
10.53
7.38
2.1
7.19
12.76
0.116
0.9
1.94
58
060
2C/1H
541
13.86
10.35
2.8
10.39
21.08
0.192
1.4
6.08
79
2C/2H
510
13.48
9.99
2.7
9.90
34.00
0.309
2.3
5.91
79
3C/1H
510
14.89
11.06
3.0
3.68
20.34
0.185
1.4
5.70
79
080
2C/1H
659
14.50
11.69
3.0
3.16
26.60
0.242
1.8
11.04
122
2C/2H
627
14.02
11.29
2.9
2.98
41.17
0.374
2.7
2.50
122
3C/1H
627
19.06
19.06
3.9
6.50
25.78
0.234
1.7
10.44
122
100
2C/1H
933
24.77
18.32
5.0
9.99
39.07
0.355
2.6
30.09
145
2C/2H
893
24.08
17.74
4.9
9.49
61.10
0.555
4.1
6.08
145
3C/1H
893
28.38
20.06
5.8
9.31
37.94
0.345
2.5
28.55
145
120
2C/1H
976
25.30
18.77
5.2
10.42
31.65
0.365
2.7
31.65
160
2C/2H
921
24.45
18.05
5.0
9.80
62.51
0.568
4.2
6.35
160
3C/1H
921
28.83
20.40
5.9
9.63
38.73
0.352
2.6
29.63
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

32

UNT-PRC001-EN

UNT-PRC001-EN.book Page 33 Tuesday, May 8, 2012 10:54 AM

Performance Data
Reheat Coils

Horizontal Concealed, Compact Concealed, Horizontal Recessed and Vertical Recessed
The following performance data represents the 1-row hot water and steam reheat coils that are
available on fan-coil units in conjunction with a 2, 3, or 4-row cooling coil.
Heating performance is based on 55°F entering air temperature, 180°F entering hot water
temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.
All performance measured on high speed tap, 115 V, 0.05 ESP, without filter. Free discharge EC
motor. See Table 6, p. 25 for performance groupings.
Table 21. Standard Capacity and High Capacity hot water reheat coil—free discharge EC motor
Standard capacity hot water reheat coil
High capacity hot water reheat coil
Total
Total
Main
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Motor
Cooling
Airflow
(MBh)
Q/ITD
(gpm)
(ft H20) Power (W)
(MBh)
Q/ITD
(gpm)
(ft H20)
Coil
(cfm)
SIZE
020
2-row
246
3.96
0.032
0.5
0.07
8.67
0.069
1.2
0.28
37
3-row
242
3.89
0.031
0.5
0.07
8.55
0.068
1.1
0.27
37
4-row
222
3.73
0.030
0.5
0.06
8.27
0.066
1.1
0.26
37
030
2-row
313
4.45
0.036
0.6
0.09
9.49
0.076
1.3
0.33
39
3-row
309
4.42
0.035
0.6
0.09
9.43
0.075
1.3
0.33
39
4-row
276
4.18
0.033
0.6
0.08
9.04
0.072
1.2
0.30
39
040
2-row
381
5.95
0.048
0.8
0.17
12.81
0.102
1.7
0.66
58
3-row
365
5.69
0.046
0.8
0.16
12.37
0.099
1.7
0.62
58
4-row
340
5.46
0.044
0.7
0.15
11.98
0.096
1.6
0.59
58
060
2-row
609
9.51
0.076
1.3
0.51
20.34
0.163
2.7
1.93
79
3-row
604
9.34
0.075
1.2
0.49
20.05
0.160
2.7
1.88
79
4-row
557
8.83
0.071
1.2
0.44
19.19
0.154
2.6
1.74
79
080
2-row
790
12.02
0.096
1.6
0.92
25.94
0.208
3.5
3.58
122
3-row
724
11.22
0.090
1.5
0.81
24.60
0.197
3.3
3.26
122
4-row
676
10.92
0.087
1.5
0.78
24.08
0.193
3.2
3.14
122
100
2-row
1015
17.34
0.139
2.3
2.41
38.00
0.304
5.1
9.73
145
3-row
1052
17.22
0.138
2.3
2.38
37.80
0.302
5.0
9.64
145
4-row
1105
16.37
0.131
2.4
2.18
36.33
0.291
4.8
8.98
160
120
2-row
988
17.97
0.144
2.4
2.57
39.07
0.313
5.2
10.22
145
3-row
1074
17.33
0.139
2.3
2.41
37.99
0.304
5.1
9.72
160
4-row
993
16.36
0.131
2.2
2.18
36.33
0.291
4.8
8.97
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Table 22. Steam coil performance—free discharge EC motor
2 PSIG
5 PSIG
Main Cooling
Total Capacity
Heating LAT Total Capacity
Heating LAT
Motor
SIZE
Coil
Airflow (cfm)
(MBh)
Q/ITD
(F)
(MBh)
Q/ITD
(F)
Power (W)
020
2-row
246
7.65
0.051
86.73
8.06
0.051
88.41
37
3-row
242
7.53
0.051
87.14
7.93
0.051
88.84
37
4-row
222
7.22
0.048
88.21
7.60
0.048
89.96
37
030
2-row
313
8.57
0.058
84.02
9.02
0.057
85.55
39
3-row
309
8.50
0.057
84.21
8.95
0.057
85.75
39
4-row
276
8.06
0.054
85.45
8.49
0.054
87.06
39
040
2-row
381
11.07
0.074
84.74
11.66
0.074
86.31
58
3-row
365
10.61
0.071
85.77
11.17
0.071
87.39
58
4-row
340
10.19
0.068
88.76
10.73
0.068
88.44
58
060
2-row
609
17.09
0.115
83.66
18.00
0.115
85.18
79
3-row
604
16.79
0.113
84.07
17.68
0.113
85.61
79
4-row
557
15.92
0.107
85.34
16.76
0.107
86.95
79
080
2-row
790
21.28
0.143
84.43
22.41
0.143
85.99
122
3-row
724
19.93
0.134
86.00
20.99
0.134
87.64
122
4-row
676
19.42
0.130
86.64
20.45
0.130
88.32
122
100
2-row
1015
30.15
0.202
85.69
31.77
0.202
87.33
145
3-row
1052
29.97
0.201
85.84
31.57
0.201
87.49
145
4-row
988
28.56
0.192
87.04
30.09
0.192
88.75
145
120
2-row
1105
31.19
0.209
84.86
32.86
0.209
86.46
160
3-row
1074
30.14
0.202
85.69
31.76
0.202
87.34
160
4-row
993
28.55
0.192
87.05
30.08
0.192
88.76
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN

33

UNT-PRC001-EN.book Page 34 Tuesday, May 8, 2012 10:54 AM

Performance Data
Reheat Coils

Vertical Concealed
The following performance data represents the 1-row hot water and steam reheat coils that are
available on fan-coil units in conjunction with a 2, 3, or 4-row cooling coil.
Heating performance is based on 55°F entering air temperature, 180°F entering hot water
temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.
All performance measured on high speed tap, 115 V, 0.05 ESP, without filter. Free discharge EC
motor. See Table 6, p. 25 for performance groupings.
Table 23. Standard Capacity and High Capacity hot water reheat coil—free discharge EC motor
Standard capacity hot water reheat coil
High capacity hot water reheat coil
Flow
Total
Total
Motor
Rate
WPD
Capacity
Capacity
Flow Rate
WPD
Power
Main Cooling Airflow
(gpm)
(ft H20)
(MBh)
Q/ITD
(MBh)
Q/ITD
(gpm)
(ft H20)
(W)
SIZE
Coil
(cfm)
020
2-row
211
3.69
0.030
0.5
0.06
8.20
0.066
1.1
0.25
37
3-row
205
3.61
0.029
0.5
0.06
8.07
0.065
1.1
0.25
37
4-row
192
3.48
0.028
0.5
0.06
7.85
0.063
1.1
0.24
37
030
2-row
272
4.20
0.034
0.6
0.08
9.06
0.072
1.2
0.30
39
3-row
270
4.17
0.033
0.6
0.08
9.02
0.072
1.2
0.30
39
4-row
247
3.98
0.032
0.5
0.07
8.71
0.070
1.2
0.28
39
040
2-row
340
5.65
0.045
0.8
0.16
12.30
0.098
1.6
0.61
58
3-row
328
5.44
0.044
0.7
0.15
11.94
0.096
1.6
0.58
58
4-row
309
5.24
0.042
0.7
0.14
11.61
0.093
1.6
0.55
58
060
2-row
535
8.96
0.072
1.2
0.46
19.41
0.155
2.6
1.78
79
3-row
531
8.82
0.071
1.2
0.44
19.18
0.153
2.6
1.74
79
4-row
499
8.43
0.067
1.1
0.41
18.51
0.148
2.5
1.64
79
080
2-row
697
11.43
0.091
1.5
0.84
24.95
0.200
3.3
3.34
122
3-row
646
10.76
0.086
1.4
0.76
23.80
0.190
3.2
3.07
122
4-row
612
10.51
0.084
1.4
0.72
23.37
0.187
3.1
2.97
122
100
2-row
891
16.33
0.131
2.2
2.17
36.27
0.290
4.8
8.95
145
3-row
913
16.25
0.130
2.2
2.15
36.13
0.289
4.8
8.89
145
4-row
870
15.57
0.125
2.1
1.99
34.95
0.280
4.7
8.38
145
120
2-row
980
17.06
0.136
2.3
2.34
37.52
0.300
5.0
9.51
160
3-row
958
16.56
0.132
2.2
2.22
36.66
0.293
4.9
9.12
160
4-row
899
15.75
0.126
2.1
2.04
35.26
0.282
4.7
8.51
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Table 24. Steam coil performance—free discharge EC motor
2 PSIG
5 PSIG
Total
Total
Capacity
Heating LAT Motor Power
Capacity
Heating LAT
Main Cooling
(MBh)
Q/ITD
(F)
(MBh)
Q/ITD
(F)
SIZE
Coil
Airflow (cfm)
(W)
020
2-row
211
7.15
0.048
88.47
7.52
0.048
90.24
37
3-row
205
7.00
0.047
89.02
7.37
0.047
90.82
37
4-row
192
6.77
0.045
89.91
7.12
0.045
91.75
37
030
2-row
272
8.09
0.054
85.38
8.52
0.054
86.98
39
3-row
270
8.04
0.054
85.51
8.47
0.054
87.12
39
4-row
247
7.70
0.052
86.59
8.10
0.052
88.26
39
040
2-row
340
10.53
0.071
85.95
11.09
0.071
87.59
58
3-row
328
10.15
0.068
86.86
10.69
0.068
88.54
58
4-row
309
9.80
0.066
87.73
10.32
0.066
89.46
58
060
2-row
535
16.14
0.108
85.01
16.99
0.108
86.60
79
3-row
531
15.91
0.107
85.35
16.75
0.107
86.96
79
4-row
499
15.22
0.102
86.43
16.03
0.102
88.10
79
080
2-row
697
20.28
0.136
85.58
21.35
0.136
87.20
122
3-row
646
19.15
0.129
87.00
20.16
0.128
88.69
122
4-row
612
18.72
0.126
87.56
19.72
0.126
89.29
122
100
2-row
891
28.50
0.191
87.09
30.02
0.191
88.81
145
3-row
913
28.37
0.190
87.21
29.88
0.190
88.93
145
4-row
870
24.24
0.183
88.25
28.70
0.183
90.03
145
120
2-row
980
29.69
0.199
86.07
31.28
0.199
87.73
160
3-row
958
28.87
0.194
86.77
30.41
0.194
88.46
160
4-row
899
27.54
0.185
87.97
29.01
0.185
89.73
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

34

UNT-PRC001-EN

UNT-PRC001-EN.book Page 35 Tuesday, May 8, 2012 10:54 AM

Performance Data
Reheat Coils

Horizontal Cabinet and Vertical Cabinet
The following performance data represents the 1-row hot water and steam reheat coils that are
available on fan-coil units in conjunction with a 2, 3, or 4-row cooling coil.
Heating performance is based on 55°F entering air temperature, 180°F entering hot water
temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.
All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge
EC motor. See Table 6, p. 25 for performance groupings.
Table 25. Standard Capacity and High Capacity hot water reheat coil—free discharge EC motor
Standard capacity hot water reheat coil
High capacity hot water reheat coil
Total
Total
Motor
Main
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Power
Cooling
Airflow
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
Q/ITD
(gpm)
(ft H20)
(W)
Coil
(cfm)
SIZE
020
2-row
222
3.77
0.030
0.5
0.07
8.35
0.067
1.1
0.26
37
3-row
217
3.70
0.030
0.5
0.06
8.23
0.066
1.1
0.26
37
4-row
204
3.58
0.029
0.5
0.06
8.03
0.064
1.1
0.25
37
030
2-row
280
4.25
0.034
0.6
0.08
9.14
0.073
1.2
0.31
39
3-row
277
4.22
0.034
0.6
0.08
9.11
0.073
1.2
0.31
39
4-row
256
4.05
0.032
0.5
0.07
8.81
0.070
1.2
0.29
39
040
2-row
349
5.72
0.046
0.8
0.16
12.42
0.099
1.7
0.63
58
3-row
338
5.51
0.044
0.7
0.15
12.06
0.096
1.6
0.59
58
4-row
320
5.32
0.043
0.7
0.14
11.74
0.094
1.6
0.57
58
060
2-row
544
9.03
0.072
1.2
0.46
19.53
0.156
2.6
1.80
79
3-row
541
8.90
0.071
1.2
0.45
19.30
0.154
2.6
1.76
79
4-row
510
8.51
0.068
1.1
0.42
18.65
0.149
2.5
1.66
79
080
2-row
706
11.49
0.092
1.5
0.85
25.05
0.200
3.3
3.37
122
3-row
659
10.84
0.087
1.4
0.77
23.95
0.192
3.2
3.11
122
4-row
627
10.61
0.085
1.4
0.74
23.55
0.188
3.1
3.01
122
100
2-row
912
16.51
0.132
2.2
2.21
36.58
0.293
4.9
9.09
145
3-row
933
16.41
0.131
2.2
2.19
36.39
0.291
4.8
9.01
145
4-row
893
15.74
0.126
2.1
2.03
35.23
0.282
4.7
8.50
145
120
2-row
996
17.19
0.138
2.3
2.37
37.74
0.302
5.0
9.61
160
3-row
976
16.69
0.134
2.2
2.25
36.88
0.295
4.9
9.22
160
4-row
921
15.90
0.127
2.1
2.07
35.52
0.284
4.7
8.63
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Table 26. Steam reheat coil—free discharge EC motor
2 PSIG
5 PSIG
Main Cooling
Total Capacity
Total Capacity
Heating
Motor
SIZE
Coil
Airflow (cfm)
(MBh)
Q/ITD
Heating LAT (F)
(MBh)
Q/ITD
LAT (F)
Power (W)
020
2-row
222
7.31
0.049
87.89
7.69
0.049
89.63
37
3-row
217
7.18
0.048
88.35
7.56
0.048
90.12
37
4-row
204
6.96
0.047
89.17
7.32
0.047
90.98
37
030
2-row
280
8.18
0.055
85.10
8.61
0.055
86.69
39
3-row
277
8.14
0.055
85.23
8.57
0.055
86.83
39
4-row
256
7.81
0.052
86.23
8.22
0.052
87.88
39
040
2-row
349
10.66
0.072
85.65
11.22
0.071
87.28
58
3-row
338
10.28
0.069
86.54
10.82
0.069
88.21
58
4-row
320
9.94
0.067
87.37
10.47
0.067
89.08
58
060
2-row
544
16.26
0.109
84.83
17.12
0.109
86.41
79
3-row
541
16.03
0.108
85.17
16.88
0.108
86.77
79
4-row
510
15.36
0.103
86.20
16.18
0.103
87.85
79
080
2-row
706
20.38
0.137
85.46
21.46
0.137
87.08
122
3-row
659
19.29
0.129
86.81
20.31
0.129
88.50
122
4-row
627
18.90
0.127
87.33
19.90
0.127
89.04
122
100
2-row
912
28.80
0.193
86.83
30.34
0.193
88.53
145
3-row
933
28.62
0.192
86.98
30.15
0.192
88.69
145
4-row
893
27.52
0.185
87.99
28.99
0.185
89.75
145
120
2-row
996
29.90
0.201
85.89
31.50
0.201
87.54
160
3-row
976
29.09
0.195
86.58
30.64
0.195
88.27
160
4-row
921
27.79
0.187
87.73
29.28
0.186
89.48
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN

35

UNT-PRC001-EN.book Page 36 Tuesday, May 8, 2012 10:54 AM

Performance Data
Reheat Coils

Vertical Slope Top Cabinet
The following performance data represents the 1-row hot water and steam reheat coils that are
available on fan-coil units in conjunction with a 2, 3, or 4-row cooling coil.
Heating performance is based on 55°F entering air temperature, 180°F entering hot water
temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.
All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge
EC motor. See Table 6, p. 25 for performance groupings.
Table 27. Standard Capacity and High capacity hot water reheat coil with high static motor—free discharge EC motor
Standard capacity hot water reheat coil
High capacity hot water reheat coil
Total
Total
Motor
Main
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Power
Cooling
Airflow
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
Q/ITD
(gpm)
(ft H20)
(W)
Coil
(cfm)
SIZE
020
2-row
206
3.64
0.029
0.5
0.06
8.13
0.065
1.1
0.25
37
3-row
200
3.57
0.029
0.5
0.06
8.00
0.064
1.1
0.24
37
4-row
190
3.46
0.028
0.5
0.06
7.82
0.063
1.0
0.23
37
030
2-row
262
4.12
0.033
0.6
0.08
8.94
0.072
1.2
0.30
39
3-row
260
4.10
0.033
0.6
0.08
8.90
0.071
1.2
0.29
39
4-row
242
3.94
0.032
0.5
0.07
8.64
0.069
1.2
0.28
39
040
2-row
330
5.57
0.045
0.7
0.15
12.16
0.097
1.6
0.60
58
3-row
320
5.38
0.043
0.7
0.14
11.84
0.095
1.6
0.57
58
4-row
304
5.21
0.042
0.7
0.14
11.55
0.092
1.5
0.55
58
060
2-row
512
8.76
0.070
1.2
0.44
19.08
0.153
2.5
1.73
79
3-row
508
8.65
0.069
1.2
0.43
18.88
0.151
2.5
1.69
79
4-row
483
8.31
0.066
1.1
0.40
18.30
0.146
2.4
1.60
79
080
2-row
665
11.20
0.090
1.5
0.81
24.55
0.196
3.3
3.25
122
3-row
623
10.61
0.085
1.4
0.74
23.54
0.188
3.1
3.01
122
4-row
596
10.39
0.083
1.4
0.71
23.17
0.185
3.1
2.93
122
100
2-row
856
16.02
0.128
2.1
2.10
35.73
0.286
4.8
8.71
145
3-row
873
15.93
0.127
2.1
2.08
35.57
0.285
4.7
8.65
145
4-row
839
15.33
0.123
2.0
1.94
34.54
0.276
4.6
8.20
145
120
2-row
940
16.74
0.134
2.2
2.27
36.97
0.296
4.9
9.26
160
3-row
923
16.30
0.130
2.2
2.16
36.21
0.290
4.8
8.92
160
4-row
876
15.58
0.125
2.1
2.00
34.98
0.280
4.7
8.38
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Table 28. Steam reheat coil with high static motor—free discharge EC motor
2 PSIG
5 PSIG
Main Cooling
Total Capacity
Total Capacity
Heating LAT
Motor
SIZE
Coil
Airflow (cfm)
(MBh)
Q/ITD
Heating LAT (F)
(MBh)
Q/ITD
(F)
Power (W)
020
2-row
206
7.06
0.047
88.78
7.44
0.047
90.56
37
3-row
200
6.93
0.047
89.28
7.29
0.046
91.10
37
4-row
190
6.73
0.045
90.04
7.09
0.045
91.89
37
030
2-row
262
7.95
0.053
85.79
8.37
0.053
87.42
39
3-row
260
7.91
0.053
85.90
8.33
0.053
87.53
39
4-row
242
7.62
0.051
86.84
8.02
0.051
88.52
39
040
2-row
330
10.39
0.070
86.29
10.94
0.070
87.94
58
3-row
320
10.04
0.067
87.12
10.57
0.067
88.82
58
4-row
304
9.74
0.065
87.90
10.25
0.065
89.64
58
060
2-row
512
15.80
0.106
85.51
16.64
0.106
87.13
79
3-row
508
15.60
0.105
85.83
16.43
0.105
87.46
79
4-row
483
15.01
0.101
86.77
15.81
0.101
88.46
79
080
2-row
665
19.89
0.133
86.05
20.94
0.133
87.70
122
3-row
623
18.89
0.127
87.34
19.89
0.127
89.05
122
4-row
596
18.53
0.124
87.82
19.51
0.124
89.46
122
100
2-row
856
27.99
0.188
87.55
29.48
0.188
89.29
145
3-row
873
27.84
0.187
87.69
29.33
0.187
89.44
145
4-row
839
26.85
0.180
88.63
28.29
0.180
90.42
145
120
2-row
940
29.17
0.196
86.51
30.73
0.196
88.19
160
3-row
923
28.44
0.191
87.14
29.96
0.191
88.86
160
4-row
876
27.26
0.183
88.23
28.72
0.183
90.00
160
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

36

UNT-PRC001-EN

UNT-PRC001-EN.book Page 37 Tuesday, May 8, 2012 10:54 AM

Performance Data
Reheat Coils

Horizontal Concealed, Compact Concealed, Horizontal Cabinet, Horizontal Recessed, and
Vertical Recessed
The following performance data represents the 1-row hot water and steam reheat coils that are
available on fan-coil units in conjunction with a 2-, 3-, or 4-row cooling coil.
Heating performance is based on 55°F entering air temperature, 180°F entering hot water
temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.
All performance measured on high speed tap, 115 V, 0.20 ESP, without filter. High static EC motor.
See Table 6, p. 25 for performance groupings.
Table 29. High capacity hot water reheat coil with high static motor—high static EC motor
Standard capacity hot water reheat coil
High capacity hot water reheat coil
Total
Total
Main
Motor
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Cooling
Airflow
Power
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
Q/ITD
(gpm)
(ft H20)
Coil
(cfm)
(W)
SIZE
020
2-row
314
4.62
0.037
0.6
0.09
9.76
0.078
1.3
0.35
84
3-row
319
4.63
0.037
0.6
0.09
9.77
0.078
1.3
0.35
84
4-row
295
4.44
0.036
0.6
0.09
9.47
0.076
1.3
0.33
84
030
2-row
380
5.10
0.041
0.7
0.11
10.52
0.084
1.4
0.39
91
3-row
358
4.91
0.039
0.7
0.10
10.23
0.082
1.4
0.38
91
4-row
330
4.71
0.038
0.6
0.10
9.90
0.079
1.3
0.35
91
040
2-row
410
6.35
0.051
0.9
0.19
13.47
0.108
1.8
0.72
110
3-row
506
6.93
0.055
0.9
0.22
14.41
0.115
1.9
0.81
110
4-row
470
6.64
0.053
0.9
0.21
13.95
0.112
1.9
0.77
110
060
2-row
700
10.50
0.084
1.4
0.60
21.95
0.176
2.9
2.21
162
3-row
824
11.31
0.090
1.5
0.69
23.22
0.186
3.1
2.45
162
4-row
760
10.70
0.086
1.4
0.62
22.27
0.178
3.0
2.27
162
080
2-row
950
13.79
0.110
1.8
1.17
28.87
0.231
3.8
4.33
298
3-row
927
13.32
0.107
1.8
1.10
28.10
0.225
3.7
4.13
298
4-row
870
12.93
0.103
1.7
1.04
27.46
0.220
3.7
3.96
298
100
2-row
1199
19.54
0.156
2.6
2.98
41.72
0.334
5.6
11.49
252
3-row
1360
20.42
0.163
2.7
3.22
43.15
0.345
5.7
12.21
252
4-row
1276
19.44
0.156
2.6
2.95
41.55
0.332
5.5
11.41
252
120
2-row
1330
20.57
0.165
2.7
3.26
43.40
0.347
5.8
12.34
314
3-row
1419
20.85
0.167
2.8
3.34
43.86
0.351
5.8
12.57
314
4-row
1330
19.85
0.159
2.6
3.06
42.22
0.338
5.6
11.75
314
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Table 30. High capacity hot water reheat coil with high static motor—high static EC motor
2 PSIG
5 PSIG
Main Cooling
Total Capacity
Total Capacity
Heating LAT
Motor
SIZE
Coil
Airflow (cfm)
(MBh)
Q/ITD
Heating LAT (F)
(MBh)
Q/ITD
(F)
Power (W)
020
2-row
314
8.88
0.060
83.20
9.35
0.060
84.69
84
3-row
319
8.89
0.060
83.17
9.36
0.060
84.66
84
4-row
295
8.55
0.057
84.07
9.00
0.057
85.61
84
030
2-row
380
9.78
0.066
81.08
10.29
0.066
82.46
91
3-row
358
9.42
0.063
81.88
9.92
0.063
83.29
91
4-row
330
9.04
0.061
82.78
9.52
0.061
84.25
91
040
2-row
410
11.79
0.079
83.28
12.41
0.079
84.78
110
3-row
506
12.84
0.086
81.40
13.52
0.086
82.80
110
4-row
470
12.32
0.083
82.30
12.97
0.083
83.75
110
060
2-row
700
18.81
0.126
81.52
19.81
0.126
82.93
162
3-row
824
20.22
0.136
80.01
21.28
0.136
81.33
162
4-row
760
19.16
0.129
81.13
20.17
0.128
82.52
162
080
2-row
950
24.29
0.163
81.44
25.59
0.163
82.84
298
3-row
927
23.49
0.158
82.17
24.74
0.158
83.62
298
4-row
870
22.82
0.153
82.81
24.04
0.153
84.29
298
100
2-row
1199
33.79
0.227
82.99
35.60
0.227
84.49
252
3-row
1360
35.23
0.236
82.05
37.13
0.236
83.50
252
4-row
1276
33.63
0.226
83.11
35.43
0.226
84.61
252
120
2-row
1330
35.48
0.238
81.89
37.39
0.238
83.34
314
3-row
1419
35.95
0.241
81.60
37.89
0.241
83.03
314
4-row
1330
34.30
0.230
82.65
36.13
0.230
84.14
314
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN

37

UNT-PRC001-EN.book Page 38 Tuesday, May 8, 2012 10:54 AM

Performance Data
Reheat Coils

Vertical Concealed
The following performance data represents the 1-row hot water and steam reheat coils that are
available on fan-coil units in conjunction with a 2-, 3-, or 4-row cooling coil.
Heating performance is based on 55°F entering air temperature, 180°F entering hot water
temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.
All performance measured on high speed tap, 115 V, 0.20 ESP, without filter. High static EC motor.
See Table 6, p. 25 for performance groupings.
Table 31. High Static EC motor—high static EC motor
Standard capacity hot water reheat coil
High capacity hot water reheat coil
Total
Total
Motor
Main
Capacity
Flow Rate
WPD
Capacity
Flow Rate
WPD
Power
Cooling
Airflow
(MBh)
Q/ITD
(gpm)
(ft H20)
(MBh)
Q/ITD
(gpm)
(ft H20)
(W)
Coil
(cfm)
SIZE
020
2-row
274
4.32
0.035
0.6
0.08
9.26
0.074
1.2
0.32
84
3-row
274
4.30
0.034
0.6
0.08
9.24
0.074
1.2
0.31
84
4-row
258
4.17
0.033
0.6
0.08
9.01
0.072
1.2
0.30
84
030
2-row
341
4.85
0.039
0.7
0.10
10.12
0.081
1.4
0.37
91
3-row
319
4.66
0.037
0.6
0.10
9.83
0.079
1.3
0.35
91
4-row
299
4.50
0.036
0.6
0.09
9.56
0.076
1.3
0.33
91
040
2-row
377
6.09
0.049
0.8
0.18
13.04
0.104
1.7
0.68
110
3-row
455
6.62
0.053
0.9
0.21
13.90
0.111
1.9
0.76
110
4-row
429
6.38
0.051
0.9
0.19
13.52
0.108
1.8
0.73
110
060
2-row
632
9.99
0.080
1.3
0.55
21.12
0.169
2.8
2.07
162
3-row
733
10.72
0.086
1.4
0.62
22.29
0.178
3.0
2.28
162
4-row
687
10.23
0.082
1.4
0.57
21.51
0.172
2.9
2.14
162
080
2-row
865
13.22
0.106
1.8
1.09
27.95
0.224
3.7
4.09
298
3-row
845
12.82
0.103
1.7
1.03
27.28
0.218
3.6
3.92
298
4-row
800
12.48
0.100
1.7
0.98
26.73
0.214
3.6
3.78
298
100
2-row
1089
18.64
0.149
2.5
2.74
40.20
0.322
5.4
10.76
252
3-row
1206
19.36
0.155
2.6
2.93
41.42
0.331
5.5
11.35
252
4-row
1145
18.58
0.149
2.5
2.73
40.11
0.321
5.3
10.72
252
120
2-row
1218
19.73
0.158
2.6
3.03
42.03
0.336
5.6
11.65
314
3-row
1291
20.02
0.160
2.7
3.11
42.50
0.340
5.7
11.88
314
4-row
1223
19.18
0.153
2.6
2.88
41.10
0.329
5.5
11.19
314
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Table 32. Steam coil performance—high static EC motor
2 PSIG
5 PSIG
Main Cooling
Total Capacity
Total Capacity
Heating LAT
Motor
SIZE
Coil
Airflow (cfm)
(MBh)
Q/ITD
Heating LAT (F)
(MBh)
Q/ITD
(F)
Power (W)
020
2-row
274
8.32
0.056
84.71
8.76
0.056
86.28
84
3-row
274
8.29
0.056
84.80
8.72
0.056
86.37
84
4-row
258
8.03
0.054
85.55
8.45
0.054
87.17
84
030
2-row
341
9.30
0.062
82.16
9.79
0.062
83.60
91
3-row
319
8.96
0.060
83.00
9.43
0.060
84.48
91
4-row
299
8.65
0.058
83.79
9.11
0.058
85.31
91
040
2-row
377
11.32
0.076
84.21
11.92
0.076
85.76
110
3-row
455
12.27
0.082
82.39
12.92
0.082
83.84
110
4-row
429
11.84
0.079
83.18
12.47
0.079
84.67
110
060
2-row
632
17.92
0.120
82.59
18.87
0.120
84.05
162
3-row
733
19.18
0.129
81.10
20.20
0.129
82.49
162
4-row
687
18.34
0.123
82.08
19.31
0.123
83.52
162
080
2-row
865
23.32
0.157
82.33
24.56
0.156
83.78
298
3-row
845
22.64
0.152
83.00
23.84
0.152
84.49
298
4-row
800
22.07
0.148
83.58
23.24
0.148
85.10
298
100
2-row
1089
32.29
0.217
84.04
34.02
0.217
85.60
252
3-row
1206
33.49
0.225
83.19
35.29
0.225
84.71
252
4-row
1145
32.21
0.216
84.10
33.93
0.216
85.66
252
120
2-row
1218
34.10
0.229
82.78
35.93
0.229
84.28
314
3-row
1291
34.57
0.232
82.47
36.43
0.232
83.95
314
4-row
1223
33.18
0.223
83.41
34.96
0.223
84.93
314
Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities
at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

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Controls
ECM Engine Controller
The Electronically Commutated Motor (ECM) engine controls and reports the performance of up
to two Trane Brushless DC (BLDC) motors.
Figure 2. ECM engine controller

•

The engine also coordinates the operation of the fan in response to electric heat behavior and
electric behavior in response to hydronic heat behavior.

•

The engine incorporates a user interface that allows adjustment of certain unit parameters and
provides constant feedback on motor operation.

•

The engine integrates service and troubleshooting tools.

•

The engine integrates a versatile configurable auxiliary temperature sensor.

•

The engine incorporates various safety and lockout features, such as maintaining proper fan
speeds if electric heat is called for.

Status Display
Figure 3. Status display

The ECM engine board contains a four-digit, seven-segment display that is used to present
information in a format close to real-world language, while having a small-form factor. Most
characters are immediately recognizable; however, please consult Table 33 and Table 34 for the
graphical representation of each alphanumeric character.
Table 33. Screen representation of alphabetical characters
A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z





















































Table 34. Screen representation of numeric characters
1

2

3

4

5

6

7

8

9

0





















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Controls

Control Options
UniTrane fan-coils are available with four different control options:
•

Manual three-speed fan switch

•

Tracer ZN010

•

Tracer ZN510

•

Tracer ZN520

•

Tracer UC400

Manual Fan Mode Switch
Model Number Digit 30 = A and Digit 31 = D or K
Figure 4. Fan speed switch

Figure 5. Adapter board
Note: Customer Low-Voltage Interface for
Fan Speeds, Variable Fan Speed, and
24 Vac Supply

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Controls

The adapter allows direct customer interfacing through the use of terminal strips. Standard
interfacing includes:
•

Fan Speeds (H, M, L) (for wall mounted fan speed switches)

•

Variable speed (0–10V) inputs

The standard adapter board eliminates many separate wiring harnesses in the panel and allows
simple, mistake-proofed single-plug interfacing of:
•

The ECM engine controller

•

Transformers

•

Motors

•

Valves

•

Dampers

•

Electric heat control

•

Fan speed switches

•

Main power (except electric heat)

The manual fan mode switch is available for fan-coil units that do not have Trane factory-mounted
control packages. This four-position switch (off, high, medium, low) allows manual fan mode
selection and is available unit or wall mounted. The unit-mounted option (Digit 31 = D) operates
on line voltage. The wall-mounted option (Digit 31 = K) is low-voltage and has three 24-volt relays
using a factory-wired transformer and relays to control the fan motor.

Customer Supplied Terminal Interface (CSTI)
Figure 6. CSTI adapter board
Customer Low-Voltage Interface for
Valves, Electric Heat, Dampers, Fan
Speeds, Variable Fan Speed, and
24 Vac Supply

Valve(s), Electric Heat, and Changeover
Configuration Switches (Factory-Set)

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Controls

Figure 7.
3

2

CSTI adapter board field connections
1

13 12 11 10

9

8

7

6

5

4

3

2

1

1.

VSP 10V

2.

VSP 0–10V

3.

VSP DC COM

1.

24 Vac Y (hot)

2.

24 Vac Y (gnd)

3.

High

4.

Medium

5.

Low

6.

V1Op/Cooling

7.

V1C1 (not std)

8.

Not used

9.

Not used

10. V2Op/EH1St/Heating
11. V2C1/EH2St (not std)
12. Damper Open
13. Dmp Cl (not std)

The control interface is intended to be used with a field-supplied, low-voltage thermostat or
controller. The control box contains a relay board which includes a line voltage to 24-volt
transformer, quiet contactors (for electric heat units), and an optional disconnect switch. All end
devices are wired to a low-voltage terminal block and are run-tested, so the only a power
connection and thermostat connection is needed to commission the unit. Changeover sensors and
controls are provided whenever a change-over coil is selected. When N.O. valves are selected,
inverting relays are provided for use with standard thermostats.
The CSTI adapter board provides all the hookups of the standard adapter board, but in addition,
provides hookups for valve control (main and auxiliary coils), electric heat control, and damper
control. Screw terminal blocks provide convenient access to fan controls and to end device control.
In addition, a courtesy 10-Vdc supply is provided for use with an external potentiometer or rheostat.
The 10-Vdc supply supports up to 10 mA draw.

Tracer Controls
The Tracer family of controllers, ZN010, ZN510, ZN520, and UC400 offer the combined advantages
of simple and dependable operation with the latest Trane-designed controller. Standard control
features include options normally available on more elaborate control systems. All control options
are available factory-configured or can be field-configured using Rover service software, the UC400
is services via Tracer TU. For more detailed information, refer to CNT-IOP-1 (for Tracer ZN010 or
ZN510) or CNT-SVX04A-EN (for Tracer ZN520), or the most recent version of the publication.

Tracer ZN010, Model Number Digit 30 = E
Figure 8. Tracer ZN010 control board

Tracer ZN010 is a stand-alone microprocessor controller.
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Controls

Tracer ZN510, Model Number Digit 30 = F
Figure 9. Tracer ZN510 control board

ZN510 can be used as either a stand-alone or communicating microprocessor controller.

Tracer ZN520, Model Number Digit 30 = G
The ZN520 controller can be used in a stand-alone application or as part of a Trane Integrated
Comfort™ System (ICS).
In the stand-alone configuration, ZN520 receives operation commands from the zone sensor and/
or the auto changeover sensor (on auto changeover units). The entering water temperature is read
from the auto changeover sensor and determines if the unit is capable of cooling or heating. The
zone sensor module is capable of transmitting the following information to the controller:
•

Timed override on/cancel request

•

Zone setpoint

•

Current zone temperature

•

Fan mode selection (off-auto-high-med-low)

For optimal system performance, fan-coil units can operate as part of an Integrated Comfort
System (ICS) building automation system controlled by Tracer Summit. The controller is linked
directly to the Summit control panel via a twisted pair communication wire, requiring no additional
interface device (i.e., a command unit). The Trane ICS system can monitor or override ZN520
control points. This includes such points as temperature and output positions.

Rover Service Software
This windows-based software package option allows field service personnel to easily monitor,
save, download, and configure Tracer controllers through a communication link from a portable
computer. When connected to the communication link, Rover can view any Tracer controller that
is on the same communication link.

Tracer UC400, Model Number Digit 30 = J
Figure 10.

The UC400 single zone VAV controller can be used in a stand-alone application or as part of a Trane
Integrated Comfort™ System (ICS).
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Controls
Sequence of Operation
In the stand-alone configuration, UC400 receives operation commands from the zone sensor and/
or the auto changeover sensor (on auto changeover units). The entering water temperature is read
from the auto changeover sensor and determines if the unit is capable of cooling or heating. The
zone sensor module is capable of transmitting the following information to the controller:
•

Timed override on/cancel request

•

Zone setpoint

•

Current zone temperature

•

Fan mode selection (off-auto-high-med-low)

For optimal system performance, fan-coil units can operate as part of an Integrated Comfort
System (ICS) building automation system controlled by Tracer Summit. The controller is linked
directly to the Summit control panel via a twisted pair communication wire, requiring no additional
interface device (i.e., a command unit). The Trane ICS system can monitor or override UC400
control points. This includes such points as temperature and output positions.

Sequence of Operation
Fan Speed Switch
Off: Fan is turned off, two-position damper option spring-returns closed.
High, Medium, Low: Fan runs continuously at the selected speed. The two-position damper option
opens to an adjustable mechanical stop-position.

Tracer ZN010 and ZN510
Off: Fan is off; control valves and fresh air damper option close. Low air temperature detection
option is still active.
Auto (Fan Cycling): Fan and fresh air damper cycle with control valve option to maintain setpoint
temperature. In cooling mode, the fan cycles from off to medium and in heating mode it cycles from
off to low (factory default that can be field-adjusted using Rover service software). When no heating
or cooling is required, the fan is off and the fresh air damper option closes. The fan can also be fieldconfigured (using Rover) to run at a defined speed when the fan speed switch is in the auto position.
Low, Medium, High (Continuous Fan): Fan operates continuously while control valve option cycles
to maintain setpoint temperature. Fresh air damper option is open.

Tracer ZN520
Off: Fan is off; control valve options and fresh air damper options close. The low air temperature
detection option is still active.
Auto: Fan speed control in the auto setting allows the modulating (three-wire floating point) control
valve option and three-speed fan to work cooperatively to meet precise capacity requirements,
while minimizing fan speed (motor/energy/acoustics/dehumidification) and valve position (pump
energy/chilled water reset). As the capacity requirement increases at low fan speed, the water valve
opens. When the low fan speed capacity switch point is reached, the fan switches to medium speed
and the water valve repositions to maintain an equivalent capacity. The reverse sequence takes
place with a decrease in required capacity.
Low, Medium, High: The fan will run continuously at the selected speed and the valve option will
cycle to meet setpoint.

Tracer UC400
Occupied Mode
In Occupied Mode, the UC400 controller maintains the space temperature based on the occupied
space temperature setpoint ± occupied offset. The controller uses the occupied mode as a default
mode when other forms of occupancy request are not present and the fan runs continuously. The
outdoor air damper, if present, will close when the fan is OFF. The temperature setpoints can be
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Controls
Sequence of Operation
local (hard wired), communicated, or stored default values (configurable using the Tracer TU
service tool).

Unoccupied Mode
In unoccupied mode, the UC400 controller attempts to maintain the space temperature based on
the unoccupied heating or cooling setpoint. The fan will cycle between high speed and OFF. In
addition, the outdoor air damper remains closed, unless economizing. The controller always uses
the stored default setpoint values (configurable using the Tracer TU service tool), regardless of the
presence of a hard wired or communicated setpoint value.

Timed Override Control
If the UC400 controller has a timed override option (ON/CANCEL buttons), pushing the ON button
initiates a timed override on request. A timed override on request changes the occupancy mode
from unoccupied mode to occupied bypass mode. In occupied bypass mode, the controller
controls the space temperature based on the occupied heating or cooling setpoints. The occupied
bypass time, which resides in the UC400 controller and defines the duration of the override, is
configurable from 0 to 240 minutes (default value of 120 minutes). When the occupied bypass time
expires, the unit transitions from occupied bypass mode to unoccupied mode. Pushing the
CANCEL button cancels the timed override request. In addition, it will end the timed override
before the occupied bypass time has expired and transition the unit from occupied bypass mode
to unoccupied mode.
If the controller is in any mode other than unoccupied mode when the ON button is pressed, the
controller still starts the occupied bypass timer without changing to occupied bypass mode. If the
controller is placed in unoccupied mode before the occupied bypass timer expires, the controller
is placed into occupied bypass mode and remains in this mode until either the CANCEL button is
pressed on the Trane zone sensor or the occupied bypass time expires.

Zone Temperature Control
The UC400 controller has three methods of zone temperature control:
•

Cascade zone control—used in the occupied, occupied bypass, and occupied standby
modes. It maintains zone temperature by controlling the discharge air temperature to control
the zone temperature. The controller uses the difference between the measured zone
temperature and the active zone temperature setpoint to produce a discharge air temperature
setpoint. The controller compares the discharge air temperature setpoint with the discharge air
temperature and calculates a unit heating/cooling capacity accordingly (refer to the illustration
below). The end devices (outdoor air damper, valves, and so on) operate in sequence based on
the unit heating/cooling capacity (0–100 percent).
Active zone
temperature
setpoint

Difference

Measured
zone
temperature

Calculated
discharge air
temperature
setpoint

Difference

Calculated unit
heating/cooling
capacity

Measured
discharge air
temperature

If the discharge air temperature falls below the discharge air temperature low limit setpoint,
(configurable using the Tracer TU service tool), and the cooling capacity is at a minimum, the
available heating capacity is used to raise the discharge air temperature to the low limit.
•

UNT-PRC001-EN

Simplified zone control— if discharge air temperature failure occurs, then simplified zone
controls runs. In the unoccupied mode, the controller maintains the zone temperature by
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Controls
Sequence of Operation
calculating the required heating or cooling capacity (0–100%) according to the measured zone
temperature and the active zone temperature setpoint. The active zone temperature setpoint
is determined by the current operating modes, which include occupancy and heat/cool modes.
•

Discharge air temperature control— is the backup mode that runs only if there is not valid
zone temperature. In this mode, the active space temperature setpoint is used as the discharge
air temperature setpoint.
Important: This is not a normal operating mode. The source of the invalid zone temperature
needs to be corrected to restore normal operation.

Table 35. Controller input/output summary
Binary Outputs
3-Speed Fan
2-Position Hydronic Valve
2-Position Fresh Air Damper
1-Stage Electric Heat
3-Wire Economizer Damper
3-Wire Hydronic Valve
2-Stage Electric Heat
Reheat (hydronic or electric)
Generic
Binary Inputs
Condensate Overflow Detection
Low Temperature Detection
Occupancy
Generic Input
Analog Inputs
Zone Temperature
Setpoint
Fan Mode: Auto, High, Medium, Low
Entering Water
Discharge Air
Outside Air
Generic
Analog Outputs
Variable speed fan
Field supplied analog valves

ZN010

ZN510

ZN520

X
X
X
X

X
X
X
X

X
X

X

UC400

X

X
X
X
X
X
X

X
X
X
X
X
X
X
X
X
**

X
X
X
X

X
X
X
X

X
X
X
X

X
X
X
**

X
X
X
X
X

X
X
X
X
X

X
X
X
X
X
X
X

X
X
X
X
X
X
**
X
X

Note: The generic input and output are for use with a Tracer Summit system only.

Table 36. Controller function summary
Control Functions
Entering Water Temp. Sampling (Purge)
Auto Changeover
Fan Cycling
Warm-Up
Pre-Cool
Data Sharing (Master/Slave)
Random Start
Dehumidification
Single Zone VAV
Staged Capacity (2-Stage Electric Supplementary)
Other Functions
Manual Test
Maintenance Timer
Setpoint Limits

ZN010

ZN510

ZN520

UC400

X
X
X
X
X

X
X
X
X
X
X
X

X
X

X
X

X

X
X
X

X
X
X

X
X
X
X
X
X

X
X
X
X

X
X
X

in TU
X
X

** 'Generic' i/o - if there is unused i/o the user may create a new point to reference the i/o. But there is no dedicated 'generic'
i/o like on ZN
Binary inputs -- there is also a defrost and fan status (for 1,2,3 speed fans) for UC400 and ZN520.
The ECM fan does not use the Binary input for fan status but gets the info over IMC from the ECM.
ZN520 also had a binary input for fan status. ZN520 also had defrost but it was wired directly to the compressor (IOP
explains this).

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Controls
Zone Sensor Options

Zone Sensor Options
Zone sensors are available as either unit, wall, or split-mounted options for design flexibility. Fancoils with the unit-mounted zone sensor option include a thermistor in the unit’s return air path.
Wall-mounted zone sensor options have an internal thermistor. Zone sensors operate on 24 Vac.

Tracer ZN010 Options

Tracer ZN510, ZN520, and UC400 Options

Figure 11. Unit-mounted zone sensor: Digit 30 = E and
Digit 31 = V

Figure 12. Wall-mounted zone sensor: Digit 30 = F, G, or J
and Digit 31 = 1

X13790843-01

Figure 13. Wall-mounted zone sensor: Digit 30 = E and
Digit 31 = W
X13790841-01

Figure 15. Split-mounted zone sensor, unit-mounted fan
mode and wall-mounted setpoint dial:
Digit 30 = E and Digit 31 = X
X13511529-01 (wall)
X13790849-01 (unit)

X13511530-01 (wall)
X13651467-02 (comm)

Figure 14. Wall-mounted zone sensor: Digit 30 = F, G, or J
and Digit 31 = 2
X13790842-01 (wall)
X13651467-02 (comm)

Figure 16. Split-mounted zone sensor, unit-mounted fan
mode and wall-mounted setpoint dial:
Digit 30 = F, G, or J and Digit 31 = Y
X13511527-01 (wall)
X13790849-01 (unit)
X13651467-02 (comm)

Figure 17. Unit-mounted zone sensor: Digit 30 = F, G, or J
and Digit 31 = Z
X13790844-01

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Controls
Zone Sensor Options

Tracer ZN510, ZN520, and UC400 Options
(continued)
Figure 18. Wall-mounted digital zone sensor with
setpoint adjustment: Digit 30 = F, G, or J and
Digit 31 = 4
X13790886-04 (wall)

Figure 19. Wireless zone sensor (setpoint adjustment, no
fan speed adjustment): Digit 30 = F, G, or J and
Digit 31 = 6
X13790821-01 (wall)
X13790860-02 (unit)

Figure 20. Wireless zone sensor: Digit 30 = F, G, or J and
Digit 31 = 7
X13790822-04 (wall)
X13790860-02 (unit)

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Controls
Control Features

Control Features
The following control functions are standard features on units with Tracer ZN010, ZN510, ZN520,
or UC400.

Entering Water Temperature Sampling Function
A system that uses a two-way control valve option might not sense the correct entering water
temperature during long periods when the control valve is closed. If the demand for heating or
cooling does not exist for a long period, the entering water will eventually approach ambient
temperature.
Using the entering water temperature sampling function, the controller provides accurate two-pipe
system changeover—without sacrificing the benefits of two-way control valves. Also, it eliminates
inefficient bleed or bypass lines that can allow unnecessary waterflow through the system.
This function periodically samples the entering water temperature by opening the hydronic valve.
The valve opens for 20 seconds to allow the water temperature to stabilize. Then the controller
reads the entering water temperature for up to three minutes to see if the correct water temperature
is available for the selected operating mode.
The entering water temperature must be five degrees or more above the space temperature to
allow hydronic heating and five degrees or more below the space temperature to allow hydronic
cooling. If the correct water temperature for the operating mode is available, the unit begins normal
heating or cooling operation. If the correct water temperature is not available, the controller closes
the control valve and waits 60 minutes before attempting to sample the entering water temperature
again.
A factory-mounted thermistor senses the entering water temperature on changeover
cooling/heating coil units. If the fan-coil has a factory-mounted piping package, the sensor is
strapped to the entering water pipe. If the fan-coil does not have a piping package, the sensor is
coiled in the end pocket for mounting on customer-supplied piping. This sensor must detect
accurate water temperature for proper changeover.

Automatic Heat/Cool Mode Determination
The controller automatically determines whether heating or cooling is needed—based on space
and system conditions. Utilizing a proportional/integral (PI) control algorithm to maintain the space
temperature at the active heating or cooling setpoint. The controller measures the space
temperature and active setpoint temperature to determine the unit’s heating or cooling capacity
(zero to 100 percent).

Occupied/Unoccupied Operation
The occupancy input utilizes a binary switch (i.e. motion sensor, timeclock, etc.) that allows the zone
sensor to utilize its unoccupied internal setpoints.

Random Start
This feature randomly staggers multiple unit start-up to reduce electrical demand spikes.

Warm-up
The two-position fresh air damper option closes during the occupied mode when the space
temperature is three degrees or more below the heating setpoint temperature. The damper
remains closed during warm-up until the space temperature is within two degrees of the heating
setpoint temperature.

Cool-down
The two-position fresh air damper option closes during the occupied mode when the space
temperature is three degrees or more above the cooling setpoint temperature. The damper
remains closed during cool-down until the space temperature is within two degrees of the cooling
setpoint temperature.
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Controls
Control Features

Manual Output Test Function
NA on UC400. But will have ability through TU. This feature is an invaluable tool for
troubleshooting a unit. By simply pressing the controller’s test button, service personnel can
manually exercise outputs in a pre-defined sequence.

Peer to Peer Communication (Tracer ZN510, ZN520, and UC400)
Peer to peer communication allows multiple units in one space to share the same zone sensor and
provide simultaneous heating and cooling. The Tracer ZN510 or ZN520 controller can share
information between units on the same communication link using a twisted pair wire in the field.
Unit configuration must be modified with Rover service tool. On the UC400, zone sensor data
sharing can be accomplished by use of the BAS system controller.

Economizing Control (Tracer ZN520)
With the controller configured for economizing control, it will calculate the required cooling
capacity every ten seconds and modulate the damper option open to the calculated position. If the
setpoint is not satisfied, the damper will continue to open until the setpoint condition has been met
or the damper is 100 percent open. If this still does not satisfy the setpoint, the cooling valve option
will begin to open and try to satisfy the load requirements. Once capacity exceeds the load
requirements, the valve will begin to close until the setpoint has been reached or the damper
reaches its minimum position, which is field-adjustable. This option uses a three-wire, floating
point damper actuator.
A thermistor to sense discharge air is factory mounted near the discharge surface of the last coil
for use in economizing and cascade temperature control. Tracer Summit can also utilize this
temperature value as a read-only point. Cascade temperature control uses both the zone and
discharge air temperatures to more accurately calculate the required unit capacity.
A thermistor to sense fresh air is factory mounted at the unit’s fresh air opening for use in
economizer applications or as a read-only point for Tracer Summit. If the fresh air temperature is
a read-only value, it will not impact the control algorithm. In an economizer application, a fresh air
temperature signal must be provided either by this thermistor or Tracer Summit.

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Controls
Tracer ZN520 and UC400 Additional Features

Tracer ZN520 and UC400 Additional Features
Automatic Fan Speed Adjustment
When configured in the AUTO mode, the fan operates at the lowest speed possible (high, medium,
or low) to maintain space temperature. As the cooling load decreases, the controller switches the
fan to operate at the next lower speed, and the control valve modulates the unit’s cooling capacity
as required. This results in less fan energy use, improved dehumidification performance, and lower
sound levels.

Automatic Ventilation Reset
To ensure proper ventilation rates, the controller is configured with two fresh air damper minimum
position setpoints for occupied operation. As the fan speed changes to low or high, the damper
adjusts to maintain the correct ventilation rate for the space. The damper position does not adjust
when the fan speed changes to medium.

Fan Status
Tracer ZN520 and UC400 monitors the fan output status to determine if the fan is operating.

Filter Maintenance Status
The controller has an adjustable timer that indicates through Summit, Rover (ZN520) or TU (UC400)
when filter maintenance is necessary. Filter maintenance status is based on cumulative fan run
hours.

Dehumidification
When the fan-coil unit is equipped with a reheat coil and humidity sensor, the controller will
independently control both space temperature and humidity. If the space humidity level rises
above the upper limit, the capacity of the cooling coil is increased, overcooling the air to maintain
the space humidity below the upper limit. Then, the capacity of the heating coil modulates, adding
a small amount of heat to temper (reheat) the air and avoid overcooling the space.

Water Valve Override
The water valve override function drives all water valves in every unit fully open simultaneously.
This helps reduce the time required for waterside balancing.

Cascade Control
The controller maintains discharge air temperature using a cascade control algorithm. The
discharge air temperature is based on the difference between the space temperature and setpoint.
Unit capacity modulates to achieve the discharge air temperature.

Interoperability
Tracer ZN520 can be used with a Tracer Summit system or on other control systems that support
LonTalk and the SCC profile. For more information on specific inputs and outputs, see the
Installation, Owner, and Maintenance Manual, UNT-IOM-6. UC400 can be used with a Tracer
Summit system or other control systems that support BACnet. For more information on specific
inputs and outputs, see the Installation, Owner, and Maintenance Manual, UNT-SVX07D-EN.

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Controls
End Device Options

End Device Options
All end device options are factory-installed and -tested.
Figure 21. Control valve

Two-Position Control Valves, Model Number Digits 27 and 28 = A - H
Two-position valve options are available with either Tracer ZN010, ZN510, ZN520 or UC400. Valves
are spring-return type, sweat connections, and available as normally open or closed. The valves
respond to a 24 V signal and have 1/2-inch sweat connections. The two-way valve option will either
fully open or close. The three-way valve option allows either full water flow through the coil or
diverts waterflow through the bypass. If the control valve loses power, the valve returns to its deenergized position. All control valve options are factory installed in the leaving water piping
downstream of the hydronic coil. The valve actuator is easily removable for service without
removing the valve body from piping.

Modulating Control Valves (Tracer ZN520 and UC400), Model Number Digits 27
and 28 = J - R
These 1/2-inch sweat connect valves are three-wire floating point valves, equal percentage type.
Modulating valves are available in four Cv sizes: 0.7, 1.5, 2.5, and 4.0. The valve responds to a 24 V
triac signal from the controller, which determines the valve position by a control algorithm. If the
valve loses power, it remains in the position that it was in when the power loss occurred. All control
valves are factory installed in the leaving water piping downstream of the hydronic coil.

Field-Supplied Valves, Model Number Digits 27 and 28 = X, Y, or 1
This option allows the controller to be factory-configured for the normal position of the fieldsupplied valve, as well as running a wiring harness from the control box to the piping side of the
unit. When the field supplied valve option is chosen, the control box is provided with low voltage
components and wired back to a terminal strip (CSTI) or controller.
Note: The Trane Company does not recommend wild coil applications.

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Controls
End Device Options

Figure 22. Wiring harness

Two-Position Fresh Air Damper Actuator, Model Number Digit 13 = D, E, or F
(Available with all control options except ZN520)
Figure 23. Two-position fresh air damper actuator

This damper actuator uses a 24 V signal and is factory-wired and mounted to the damper assembly.
It allows zero to 50 percent fresh air. The damper will drive open to an adjustable mechanical stopposition whenever the fan is running during occupied mode and will spring-return closed when the
fan turns off.
Note: Trane recommends using the low temperature detection option with fresh air dampers to
detect possible freeze conditions.

Economizer Fresh Air Damper Actuator (Tracer ZN520 and UC400), Model
Number
Digit 13 = G, H, or J
Figure 24. Economizer fresh air damper actuator

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Controls
End Device Options
This option is a three-wire floating point, spring-return damper actuator and is factory-wired and
mounted to the damper assembly. When the controller enables the economizer and the unit is in
occupied mode, the fresh air damper modulates between its minimum position (editable) and the
full open position to maintain setpoint temperature. If economizer operation stops or if the unit is
in the heating mode, the fresh air damper adjusts to its minimum position.
Note: Trane highly recommends using the low temperature detection option with a fresh air
damper to detect possible freeze conditions.

Low Temperature Detection, Model Number Digit 36 = 2
Figure 25. Low temperature detection device

When the low temperature detection device senses an entering air temperature of 36°F to the
hydronic coil, the normally-closed switch opens a corresponding set of binary input terminals. The
fan disables, control valves open, and the fresh air damper closes.
Thirty minutes after the diagnostic, Tracer ZN010, ZN510, or ZN520 uses an automatic reset
function to attempt to reset the unit. If the diagnostic occurs again within 24 hours after an
automatic diagnostic reset, the unit will require a manual reset. This function attempts to resolve
the infrequent nuisance alarm.
The low temperature detection device is an averaging type capillary tube and will reset when it
detects an entering air temperature of at least 44°F.

Condensate Overflow Detection, Model Number Digit 35 = 2
Figure 26. Condensate overflow detection device

A float switch is factory-supplied for field installation in the auxiliary drain pan to detect a high
condensate water level. When the float switch rises, the normally closed input opens a
corresponding set of binary input terminals. This also causes the fan to disable, and the control
valve and fresh air damper options to close. Although the float switch will close when the high
condensate level recedes, the controller must be manually reset before normal unit operation can
occur. If using a Tracer ZN510, ZN520 or UC400 controller you can reset using Tracer Summit. Use
Rover service software to reset units with Tracer ZN010, ZN510, or ZN520 and Tracer TU for units
with a UC400.
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Electrical Data
Table 37. Electric heat (kW)
Unit Size

Unit Voltage

kW

kW

kW

02

115

1.0

1.5

2.0

230

1.0

1.5

2.0

277

1.0

1.5

2.0

208

0.8

1.1

1.5

115

1.0

1.5

2.0

2.5

230

1.0

1.5

2.0

2.5

277

1.0

1.5

2.0

2.5

208

0.8

1.1

1.5

1.9

2.3

115

2.0

2.5

3.0

230

2.0

2.5

3.0

277

2.0

2.5

3.0

208

1.5

1.9

115

2.0

3.0

230

2.0

3.0

277

2.0

3.0

208

1.5

2.3

115

2.0

3.0

230

2.0

277

2.0

208

1.5

03

04

06

08

10

12

kW

kW

kW

kW

kW

kW

kW

4.0

5.0

6.0

4.0

5.0

6.0

3.0

3.8

4.5

5.3

3.0

4.0

5.0

6.0

7.0

3.0

4.0

5.0

6.0

7.0

2.3

3.0

3.8

4.5

5.3

6.0

kW

1.9

2.3

3.0

115

3.0

230

3.0

4.0

5.0

6.0

7.0

8.0

277

3.0

4.0

5.0

6.0

7.0

8.0

208

2.3

3.0

3.8

4.5

5.3

6.0

115

3.0

230

3.0

4.0

5.0

6.0

7.0

8.0

10.0

277

3.0

4.0

5.0

6.0

7.0

8.0

10.0

208

2.3

3.0

3.8

4.5

5.3

6.0

Table 38. Electric heat (kW), low vertical units
Unit Size

Unit Voltage

kW

kW

kW

03

115

1.0

1.5

2.0

kW

04

115

1.0

1.5

2.0

2.5

06

115

1.0

1.5

2.0

2.5

Note: Low vertical units are only available with electric heat in combination with the two-row cooling coil.

Minimum Circuit Ampacity (MCA) and Maximum Fuse Size (MFS) Calculations
for Fan-Coils with Electric Heat (Single Phase)
Heater Amps = (Heater kW x 1000)/Heater Voltage
Note: Use 120 V heater voltage for 115 V units. Use 240 V heater voltage for 230 V units.
MCA = 1.25 x (heater amps + all motor FLAs)
MFS or HACR Type Circuit Breaker = (2.25 x Largest Motor FLA) + Second Motor FLA + Heater Amps
(If Applicable)
HACR (Heating, Air-Conditioning and Refrigeration) type circuit breakers are required in the branch
circuit wiring for all fan-coils with electric heat.
See Table 39, p. 56 through Table 41, p. 56 for motor FLAs.
Select a standard fuse size or HACR type circuit breaker equal to the MCA.
Use the next larger standard size if the MCA does not equal a standard size.
Standard Fuse Sizes are: 15, 20, 25, 30, 35, 40, 45, 50, 60 amps
Fan-coil electric heat MBh = (Heater kW) (3.413)
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Electrical Data

Table 39. Free discharge and High static electrically commutated motors (ECMs) programmed to
standard ECM mode
115 Volt
FLA

208–230 Volt
HP

2

FLA

1

2

1

277 Volt

HP
2

FLA

1

2

1

HP

Unit Size

1

2

1

2

3.1

0.22

1.8

0.22

1.6

0.24)

2

3

3.1

0.22

1.8

0.22

1.6

0.24

4

3.1

0.22

1.8

0.22

1.6

0.24

6

3.1

0.22

1.8

0.22

1.6

0.24

8

3.1

0.22

1.8

0.22

1.6

10

3.1

3.1

0.22

0.22

1.8

1.8

0.22

0.22

1.6

1.6

0.24

0.24

12

3.1

3.1

0.22

0.22

1.8

1.8

0.22

0.22

1.6

1.6

0.24

0.24

0.24

Table 40. Free discharge electrically commutated motors (ECMs) programmed to reduced FLA
mode
115 Volt
FLA
Unit Size

1

2

0.6

208–230 Volt
HP

2

FLA

1

2

0.22

1

277 Volt

HP
2

FLA

1

0.4

2

0.22

1

HP
2

0.3

1

2

0.24

3

0.6

0.22

0.4

0.22

0.3

0.24

4

0.8

0.22

0.6

0.22

0.4

0.24

6

1.1

0.22

0.8

0.22

0.6

0.24

8

1.6

0.22

1.1

0.22

0.8

0.24

10

0.7

1.2

0.22

0.22

0.5

0.8

0.22

0.22

0.4

0.6

0.24

0.24

12

0.7

1.3

0.22

0.22

0.5

0.9

0.22

0.22

0.4

0.7

0.24

0.24

Table 41. High static electrically commutated motors (ECMs) programmed to reduced FLA mode
115 Volt
FLA

208–230 Volt
HP

2

FLA

1

2

1

277 Volt

HP
2

FLA

1

2

1

HP

Unit Size

1

2

1

2

1.3

0.22

0.9

0.22

0.7

0.24

2

3

1.3

0.22

0.9

0.22

0.7

0.24

4

1.7

0.22

1.2

0.22

0.9

0.24

6

2.3

0.22

1.6

0.22

1.2

0.24

8

3.1

0.22

1.8

0.22

1.5

10

1.4

2

0.22

0.22

1

1.4

0.22

0.22

0.7

1.1

0.24

0.24

12

1.5

2.8

0.22

0.22

1.1

1.8

0.22

0.22

0.8

1.4

0.24

0.24

0.24

Table 42. Low vertical free discharge electrically commutated motors (ECMs)
Unit Size
3
4
6

115 Volt
FLA
HP
3.1
3.1
3.1

0.22
0.22
0.22

H

RPM
M

L

1090
1090
1115

770
750
760

560
560
560

Note: Actual rpm will vary with application and configuration.

56

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Electrical Data

Table 43. Lowboy vertical free discharge electrically commutated motors (ECMs) programmed
with reduced FLA mode
Unit Size

FLA

115 Volt
HP

3
4
6

0.5
0.8
1

0.22
0.22
0.22

H

RPM
M

L

1090
1090
1115

770
750
760

560
560
560

Note: Actual rpm will vary with application and configuration.

Table 44. Unit RPM
Unit
Size
2
3
4
6
8
10
12

Unit
Size
2
3
4
6
8
10
12

Free Discharge—Units with 2-Row Coils Free Discharge—Units with 3- and 4-Row Coils
H
M
L
H
M
L
980
980
1050
1030
1080
1050
1030
1050
1080

840
780
780
780
800
780
780
780
800

655
580
580
580
600
580
580
580
600

High Static—Units with 2-Row Coils
H
M
L
1480
1400
1475
1400
1475
1475
1400
1475
1475

1110
1175
1315
1070
1285
1315
1070
1315
1285

865
860
1070
855
975
1070
855
1070
975

980
1080
1080
1080
1080
1080
1080
1080
1080

840
800
800
800
800
800
800
800
800

655
600
600
600
600
600
600
600
600

High Static—Units with 3- and 4-Row Coils
H
M
L
1480
1500
1580
1475
1475
1580
1475
1580
1475

1110
1355
1375
1285
1285
1375
1285
1375
1285

865
1110
1240
975
975
1240
975
1240
975

Note: Actual rpm will vary with application and configuration.

Minimum Circuit Ampacity (MCA) and Maximum Fuse Size (MFS) Calculations
for Fan-Coils: (Motors only, No Electric Heat)
MCA = (1.25) x [Largest Motor Amperes (FLA)] + Second Motor Amperes (FLA) (Size 10 and 12 only)
MFS or HACR1 Type Circuit Breaker = 15 Amps for all Fan-Coils without Electric Heat (see previous
Electrical Data for units with Electric Heat.)

1

UNT-PRC001-EN

HACR (Heating, Air-Conditioning and Refrigeration) type circuit breakers are required in the branch circuit wiring for all size 10 and
12 fan-coils.

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Dimensions and Weights
Unit Weights
Table 45. Operating weights, lb
Low Vertical Cabinet
Models

Low Vertical
Concealed Models

Unit Size

Cabinet Models

Concealed Models

Recessed Models

02

97

81

78

NA

NA

03

97

81

78

125

109

04

125

109

88

155

139

06

155

139

128

164

147

08

164

147

139

NA

NA

10

218

200

253

NA

NA

12

218

200

253

NA

NA

Low Vertical Cabinet
Models

Low Vertical
Concealed Models

Table 46. Shipping weights, lb
Unit Size

Cabinet Models

Concealed Models

Recessed Models

02

84

68

68

NA

NA

03

84

68

68

112

96

58

04

112

96

78

139

123

06

139

123

118

148

131

08

148

131

129

NA

NA

10

200

182

243

NA

NA

12

200

182

243

NA

NA

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Dimensions and Weights
Vertical Concealed

Vertical Concealed, Model A

Vertical Concealed Unit Dimensions
Unit Size

200-300

400

600

800

1000-1200

No. of Fans

1

1

2

2

3

No. of Motors

1

1

1

1

2

4’-7 11/16”

6’-2 11/16”

A
B
C

2’-8 11/16” 3’-1 11/16” 3’-11 3/16”
1’-9 5/16”

2’-2 5/16” 2’-11 13/16”

1’-10 13/16” 2’-3 13/16”

D

1’-5 5/16”

E

1’-7 5/16”

3’-1 5/16”

1’-10 5/16” 2’-7 13/16”
2’-0 5/16”

2’-9 13/16”

3’-8 5/16”

5’-3 5/16”

3’-9 13/16”

5’-4 13/16”

3’-4 5/16”

4’-11 5/16”

3’-6 5/16”

5’-1 5/16”

Notes:
1. Coil connections are always on the drain pan side and opposite the control
box.
2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.
3. All duct collar dimensions are to the outside of the collar.
4. See p. 71 for dimensions for outside air openings.

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Dimensions and Weights
Vertical Cabinet

Vertical Cabinet, Model B

Vertical Cabinet Unit Dimensions
Unit Size

200-300

400

600

800

1000-1200

No. of Fans

1

1

2

2

3

No. of Motors

1

1

1

1

2

A

2’-9 5/16”

3’-2 5/16”

3’-11 13/16”

4’-8 5/16”

6’-3 5/16”

B

1’-9 5/16”

2’-2 5/16”

2’-11 13/16”

3’-8 5/16”

5’-3 5/16”

C

7 5/8”

7 1/8”

8 7/8”

7 1/8”

7 5/8”

D

1’-16”

2’-0”

2’-6”

3’-6”

5’-0”

E

1’-7 5/16”

2’-0 5/16”

2’-9 13/16”

3’-6 5/16”

5’-1 5/16”

F

3’-5 5/16”

3’-10 5/16”

4’-7 13/16”

5’-4 5/16”

6’-11 5/16”

Notes:
1. Coil connections are always on the drain pan side and opposite the control box
and unit control.
2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.
3. See p. 71 for dimensions for outside air openings.

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Dimensions and Weights
Horizontal Concealed

Horizontal Concealed, Model C

Horizontal Concealed Unit Dimensions
Unit Size

200-300

400

600

800

1000-1200

No. of Fans

1

1

2

2

3

No. of Motors

1

1

1

1

2

A

2’-8 11/16”

3’-1 11/16”

3’-11 3/16”

4’-7 11/16”

6’-2 11/16”

1’-9 5/16”

2’-2 5/16”

2’-11 13/16”

3’-8 5/16”

5’-3 5/16”

3’-1 5/16”

3’-9 13/16”

5’-4 13/16”
5’-1 3/8”

B
C

1’-10 13/16” 2’-3 13/16”

D

1’-7 3/8”

2’-0 3/8”

2’-9 7/8”

3’-6 3/8”

E

1’-6 1/8”

1’-11 1/8”

2’-8 5/8”

3’-5 1/8”

5’-0 1/8”

F

1’-7 5/16”

2’-0 5/16”

2’-9 13/16”

3’-6 5/16”

5’-1 5/16”

Notes:
1. Coil connections are always on the drain pan side and opposite the control box.
2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.
3. All duct collar dimensions are to the outside of the collar.
4. See p. 70 for dimensions for outside air openings.

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Dimensions and Weights
Horizontal Cabinet

Horizontal Cabinet, Model D

Horizontal Cabinet Unit Dimensions
Unit Size

200-300

400

600

800

No. of Fans

1

1

2

2

1000-1200
3

No. of Motors

1

1

1

1

2

A

2’-9 5/16”

3’-2 5/16”

3’-11 3/16”

4’-8 5/16”

6’-3 5/16”

B

1’-9 5/16”

2’-2 5/16”

2’-11 13/16”

3’-8 5/16”

5’-3 5/16”
7 5/8”

C

7 5/8”

7 1/8”

8 7/8”

7 1/8”

D

1’-6”

2’-0”

2’-6”

3’-6”

5’-0”

E

1’-5 1/4”

1’-10 1/4”

2’-7 3/4”

3’-4 1/4”

3’-4 1/4”

F

3’-5 1/4”

3’-10 5/16”

4’-7 3/16”

5’-4 5/16”

6’-11 5/16”

G

8-5/8”

8-1/8”

9-7/8”

8-1/8”

8-5/8”

H

1’-4”

1’-10”

2’-4”

3’-4”

4’-10”

J

1’-7 3/4”

1’-11 3/4”

2’-7 3/4”

3’-3 3/4”

4’-11 3/4”

Notes:
1. Coil connections are always on the drain pan side and opposite the control box.
2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.
3. All duct collar dimensions are to the outside of the collar.
4. See p. 70 for dimensions for outside air openings.

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Dimensions and Weights
Horizontal Recessed

Horizontal Recessed, Model E

Horizontal Recessed Unit Dimensions
Unit Size

200-300

400

600

800

No. of Fans

1

1

2

2

3

No. of Motors

1

1

1

1

2

A
B
C

2’-11 13/16” 3’-4 13/16”
1’-9 5/16”

2’-2 5/16”

1’-10 13/16” 2’-3 13/16”

4’-2 5/16”

1000-1200

4’-10 13/16” 6’-5 13/16”

2’-11 13/16”

3’-8 5/16”

5’-3 5/16”

3’-1 5/16”

3’-9 13/16”

5’-4 13/16”

D

1’-7 3/8”

2’-0 3/8”

2’-9 7/8”

3’-6 3/8”

5’-1 3/8”

E

1’-6 1/8”

1’-11 1/8”

2’-8 5/8”

3’-5 1/8”

5’-0 1/8”

F

2’-8 7/16”

3’-1 7/16”

3’-10 15/16”

4’-7 7/16”

6’-2 7/16”

G

2’-10 5/16”

3’-3 5/16”

4’-0 13/16”

4’-9 5/16”

6’-4 5/16”

H

1’-7 3/4”

1’-11 3/4”

2’-7 3/4”

3’-3 3/4”

4’-11 3/4”

Notes:
1. Coil connections are always on the drain pan side.
2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.
3. All duct collar dimensions are to the outside of the collar.
4. See p. 70 for dimensions for outside air openings.

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Dimensions and Weights
Vertical Recessed

Vertical Recessed, Model H
Vertical Recessed Unit Dimensions
Unit Size

200-300

400

600

800

No. of Fans

1

1

2

2

3

No. of Motors

1

1

1

1

2

A

2’-8 11/16”

3’-1 11/16”

3’-11 3/16”

4’-7 11/16”

6’-2 11/16”

B

1’-9 5/16”

2’-2 5/16”

C

1’-10 13/16” 2’-3 13/16”

1000-1200

2’-11 13/16” 3’-8 5/16”

5’-3 5/16”

3’-1 5/16”

3’-9 13/16”

5’-4 13/16”
4’-11 5/16”

D

1’-5 5/16”

1’-10 5/16”

2’-7 13/16”

3’-4 5/16”

E

3’-11”

4’-3”

5’-3”

5’-5 1/2”

7’-5 1/2”

F

2’-6”

2’-6”

2’-6”

2’-9 1/2”

2’-9 1/2”

G

2 3/8”

2 3/8”

2 3/8”

4 1/8”

4 1/8”

H

3’-6”

4’-0”

4’-9”

5’-3”

7’-3”

J

2’-2 1/2”

2’-2 1/2”

2’-2 1/2”

2’-3 1/2”

2’-3 1/2”

Notes:
1. Coil connections are always on the drain pan side and opposite the control
box.
2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.
3. All duct collar dimensions are to the outside of the collar.
4. See p. 71 for dimensions for outside air openings.

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Dimensions and Weights
Vertical Slope Top

Vertical Slope Top, Model J

Vertical Slope Top Unit Dimensions
Unit Size

200-300

400

600

800

No. of Fans

1

1

2

2

1000-1200
3

No. of Motors

1

1

1

1

2

A

2’-9 5/16”

3’-2 5/16”

3’-11 13/16”

4’-8 5/16”

6’-3 5/16”

B

1’-9 5/16”

2’-2 5/16”

2’-11 13/16”

3’-8 5/16”

5’-3 5/16”
7 5/8”

C

7 5/8”

7 1/8”

8 7/8”

7 1/8”

D

1’-6”

2’-0”

2’-6”

3’-6”

5’-0”

E

1’-7 5/16”

2’-0 5/16”

2’-9 13/16”

3’-6 5/16”

5’-1 5/16”

F

3’-5 5/16”

3’-10 5/16”

4’-7 13/16”

5’-4 5/16”

6’-11 5/16”

Notes:
1. Coil connections are always on the drain pan side and opposite the control box
and unit control.
2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.
3. See p. 71 for dimensions for outside air openings.

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Dimensions and Weights
Low Vertical Concealed

Low Vertical Concealed, Model K

Low Vertical Concealed Unit Dimensions
Unit Size
A

300

400

600

3’-4 5/8”

4’-2 1/8”

4’-10 7/8”

B

2’-2 1/4”

2’-11 3/4”

3’-8 1/4”

C

2’-3 15/16”

3’-0 13/16”

3’-9 15/16”

D

1’-10 5/16”

2’-7 13/16”

3’-4 5/16”

E

2’-0 1/4”

2’-9 3/4”

3’-6 1/4”

Notes:
1. Coil connections are always on the drain pan side
and opposite the control box.
2. Coil connections are 5/8” O.D. sweat.
CS Cooling Coil Supply
CR Cooling Coil Return
HS Heating Coil Supply
HR Heating Coil Return
3. All duct collar dimensions are to the outside of the
collar.
4. See p. 72 for dimensions for outside air openings.

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Dimensions and Weights
Low Vertical Cabinet

Low Vertical Cabinet, Model L

Low Vertical Cabinet Unit Dimensions
Unit Size

300

400

600

A

3’-10 15/16”

4’-8 7/16”

5’-4 15/16”

B

2’-2 1/4”

2’-11 3/4”

3’-8 1/4”

C

11 7/16”

1’-1 5/16”

11 7/16”

D

2’-0”

2’-6”

3’-6”

E

2’-0 1/4”

2’-9 3/4”

3’-6 1/4”

Notes:
1. Coil connections are always on the drain pan side
and opposite the control box.
2. Coil connections are 5/8” O.D. sweat.
CS Cooling Coil Supply
CR Cooling Coil Return
HS Heating Coil Supply
HR Heating Coil Return
3. See p. 72 for dimensions for outside air openings.

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Dimensions and Weights
Compact Concealed

Compact Concealed, Model P
TOP VIEW

2-5/16”

E
BACK INLET DUCT COLLAR
9/16”

9/16”

2-5/16”
3-1/4”
(4) 5/8” DIA KEYSLOT
HANGER HOLES
SECONDARY DRAIN
CONNECTION FOR
3/8” ID TUBE
MAIN DRAIN (OPTIONAL)
CONNECTION FOR
7/8” OD COPPER
TUBE AND CLAMP

7/8” KO
CONTROL
WIRING

1" DUCT COLLAR

CONTROL
BOX

FILTERS

15-1/2”

SIDE VIEW
3-1/4”

INLET OPTIONS

2”

5/8”

6-1/8”

14-1/8”
1-3/4”

1-3/4”

3/4”

FRONT VIEW
RH PIPING

FILTER DOOR USED
WITH BACK DUCT
COLLAR ONLY

3/4”

B

1-11/16”

27-3/16”
BACK DUCT COLLAR

6-3/8”

D
1-11/16”

5/8”

(4) 5/8” DIA KEYSLOT
HANGER HOLES

1” DUCT COLLAR
2-7/16”

AIR
FLOW

8-7/8”

CONTROL
BOX

FRONT OUTLET
DUCT COLLAR

FILTERS

6-15/16”

6-5/8”

BACK INLET
DUCT COLLAR

C

5-5/16”

10-1/16”

2-5/16”
4-9/16”

1-3/32” KO
7/8” KO

BOTTOM INLET
OPEN

4-7/8” X F

A
POWER
WIRING
BOTTOM
ONLY

26-3/4”

Compact Concealed Unit Dimensions

FRONT VIEW
LH PIPING
1-1/8”
COIL CONNECTIONS

AUXILIARY
DRAIN PAN

68

CONTROL
BOX

Unit Size

200-300

400

600

800

1000-1200

A

32-11/16”

37-11/16”

47-3/16”

55-11/16”

74-11/16”

B

21-5/16”

26-5/16”

35-13/16”

44-5/16”

63-5/16”

C

22-13/16”

27-13/16”

37-5/16”

45-13/16”

64-13/16”

D

19-3/8”

24-3/8”

33-7/8”

42-3/8”

61-3/8”

E

18-1/8”

23-1/8”

32-5/8”

41-1/8”

60-1/8”

F

19-5/16”

24-5/16”

33-13/16”

42-5/16”

61-5/16”

Notes:
1. Coil connections are always on the drain pan side and opposite the control box
and unit control.
2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.
3. All duct collar dimensions are to the outside of the collar.
4. See p. 71 for dimensions for outside air openings.

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Dimensions and Weights
Coil Connections

Coil Connections, Vertical Units
8-3/16" RHR

RMS = Reheat Supply
HR = Hot Water Return
HS = Hot Water Supply
CR = Chilled Return
CS = Chilled Water Supply

5-5/16" CS
4-7/8" RHS

Note: Reheat coils are only available
on units with 2-pipe main coils.

4-3/8" CR

2-5/16" HR

21-13/16"
CS
23-1/4"
RHS

20-13/16"
CR
19-15/16"
RHR

20-1/2"
HR
18-11/16"
HS

Coil Connections, Horizontal Units

COMPACT CONCEALED

22-3/8" CS

RMS = Reheat Supply
HR = Hot Water Return
HS = Hot Water Supply
CR = Chilled Return
CS = Chilled Water Supply

21-3/8" CR

Note: Reheat coils are only available
on units with 2-pipe main coils.

21-1/16" HR

19-5/16" HS

5-5/16"
CS

4-7/8"
RHS

2-5/16" HR
4-3/8" CR

8-3/16"
RHR

20-9/16" RHR

23-7/8" RHS

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Dimensions and Weights
Fresh Air Opening

Fresh Air Opening Locations, Horizontal Units Models C, D, and E

1-5/8"

1-5/8"

2-15/16"

1-5/8"

1-5/8"

1-5/8"

2-15/16"

Fresh Air Opening Dimensions, Horizontal Units
Unit Size

70

02–03

04

06

08

A

18”

23”

32-1/2”

41”

10–12
60”

B

21-5/16”

26-5/16”

35-13/16”

44-5/16”

63-5/16”

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Dimensions and Weights
Fresh Air Opening

Fresh Air Opening Locations, Vertical Units Models A, B, and J

1-5/8"

1-5/8"

2-15/16"

1-5/8"

1-5/8"

2-15/16"

Fresh Air Opening Dimensions, Vertical Units
Unit Size

UNT-PRC001-EN

02–03

04

06

08

A

18”

23”

32-1/2”

41”

10–12
60”

B

21-5/16”

26-5/16”

35-13/16”

44-5/16”

63-5/16”

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Dimensions and Weights
Fresh Air Opening

Fresh Air Opening Locations, Low Vertical Units Models K and L
Fresh Air Opening Dimensions, Low
Vertical Units
Unit Size

03

04

06

A

24-1/4”

33-3/4”

42-1/4”

B

26-1/4”

35-3/4”

44-1/4”

9-3/16"

3-9/16"

9-3/16"

3-9/16"

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Dimensions and Weights
Wall Box

Wall Box
Wall Box Dimensions
Unit Size

Dimensions A x B

Internal
Support

02–03

24-3/8 x 4-3/4

1

04

24-3/8 x 7-1/2

1

06

33-1/8 x 7-1/2

2

08

37-1/2 x 7-1/2

3

10–12

58-1/4 x 7-1/2

4

CONTINUOUS
MORTAR RIBS
TOP AND
BOTTOM
1/8”
1/8”
1/2”

3/4”
1/2”
1-3/8”

1/8”
4”
CLEARANCE
FOR DRAINAGE

WOVEN ALUMINUM
INSECT SCREEN

A

B

CONTINUOUS DRIP LIP
TOP AND BOTTOM

UNT-PRC001-EN

ADDITIONAL INTERNAL
SUPPORTS EQUALLY SPACED.
NOT TO EXCEED 12” O.C.

5/8”

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Dimensions and Weights
Projection Panel

Projection Panel
Projection Panel Dimensions
Unit Size

02–03

04

06

08

10–12

A

47”

51”

63”

65-1/2”

89-1/2”

B

30”

30”

30”

33-1/2”

33-1/2”

Projection Panel, All Unit Sizes
C

2”

2-1/2”

3”

3-1/2”

4”

4-1/2”

5”

5-1/2”

6”

D

1-1/8”

1-5/8”

2-1/8”

2-5/8”

3-1/8”

3-5/8”

4-1/8”

4-5/8”

5-1/8”

E

8-5/8”

8-1/8”

7-5/8”

7-1/8”

6-5/8”

6-1/8”

5-5/8”

5-1/8”

4-5/8”

UNIT TO WALL - TOP VIEW

FRONT VIEW ISO
REAR VIEW ISO

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Mechanical Specifications
UniTrane Fan-Coil Mechanical Specifications
Performance Data
Capacity: Unit capacities are certified under Industry Room Fan-Coil Air Conditioner Certification
Program in accordance with AHRI Standard 440-97.
Safety: All standard units are UL listed in the United States and Canada and comply with NFPA 90A
requirements.

Construction
All Units
The unit includes a chassis, coil(s), fan wheel(s), fan casing(s), fan board and motor(s). Units also
include a noncorrosive, ABS main drain pan, positively sloped in every plane and insulated with
closed-cell insulation. Horizontal units and all units with standard piping packages also include a
thermoplastic auxiliary drain pan. Steel parts exposed to moisture are galvanized. The fan board
assembly and both drain pans are easily removable. The fan board assembly includes a quickdisconnect motor plug. The chassis construction is 18-gage galvanized steel, and continuous
throughout the unit. The unit is acoustically and thermally insulated with closed-cell insulation. All
panels are made rigid by channel forming.

Vertical Cabinet and Slope Top Units
Front panel fabrication is 16-gage galvanized steel. All other panels are 18-gage galvanized steel.
The discharge grille is recessed to resist condensate formation. Hinged access door construction
is 20-gage steel and is flush with top panel.

Horizontal Cabinet Units
All panels are 18-gage galvanized steel, including the bottom panel. Discharge grille is recessed to
resist condensate formation. The hinged access door is flush with front panel. Bottom panels ship
with tamperproof screw fasteners and a safety chain.

Concealed/Recessed Units
Exposed panels on recessed units are 18-gage steel construction and ship separate from the unit.
Bottom panels on horizontal recessed models ship standard with tamperproof screw fasteners and
a safety chain. Horizontal recessed units feature a telescoping panel to allow the panel to be
adjusted to line up flush with the ceiling. The telescoping panel extends 1.25” to 2” depending on
the configuration of airflow.

Low Vertical Unit
Front panels are of 16-gage galvanized steel. All cabinet parts are made rigid by channel forming.
End panel is removable for piping access. Hinged access door construction is 20-gage steel and
flush with top panel.

Unit Finish
All cabinet parts and exposed recessed panels are cleaned, bonderized, phosphatized, and painted
with a baked powder finish available in six decorator colors. Standard finish meets ASTM B117
specifications (salt spray test).

Fans
The galvanized metal fan wheels are centrifugal forward-curved and double-width. Fan wheels and
housings are corrosion resistant. Fan housing construction is formed sheet metal. Low vertical
units utilize an aluminum tangential wheel design.

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Mechanical Specifications
Options

Motors
All motors are brushless DC (BLDC)/electronically commutated motors (ECM) factoryprogrammed and run-tested in assembled units. The motor controller is mounted in a touch-safe
control box with a built-in integrated user interface and LED tachometer. If adjustments are needed,
motor parameters can be adjusted through momentary contact switches accessible without
factory service personnel on the motor control board.
Motors will soft-ramp between speeds to lessen the acoustics due to sudden speed changes.
Motors can be operated at three speeds or with a field-supplied variable speed controller. The
motor will choose the highest speed if there are simultaneous/conflicting speed requests.
All motors have integral thermal overload protection with a maximum ambient operating
temperature of 104°F and are permanently lubricated. Motors are capable of starting at 50 percent
of rated voltage and operating at 90 percent of rated voltage on all speed settings. Motors can
operate up to 10 percent over voltage.

Controls
Controls options are: fan speed switch, control interface, and Tracer ZN010, ZN510, ZN520, and
UC400. A variety of inputs and outputs are available for the control interface and Tracer controller
options. A disconnect switch (for non-electric heat units), fused transformer, contactor(s), and
terminal strip are provided with the control interface and Tracer controller options. For specifics on
Tracer ZN010, ZN510, ZN520, and UC400, please refer to “Controls,” p. 39.

Control Interface
The control interface is intended to be used with a field-supplied, low-voltage thermostat or
controller. The control box contains a relay board which includes a line voltage to 24-volt
transformer, quiet contactors (for electric heat units), and an optional disconnect switch. All end
devices are wired to a low-voltage terminal block and are run-tested, so the only a power
connection and thermostat connection is needed to commission the unit. Changeover sensors and
controls are provided whenever a change-over coil is selected. When N.O. valves are selected,
inverting relays are provided for use with standard thermostats.

Fan Speed Switch
The fan speed switch is available with or without the control interface option and is available as
wall-mount or unit-mount. Both the wall-mount and unit-mount FSS will employ low-voltage fan
switches. However, the low-voltage fan speed option will provide an interface to factory wiring,
including variable speed/high-medium-low (HML) control. The control box contains a line voltage
to 24-volt transformer, ECM motor controller, and an optional disconnect switch.

Coils
All water coils are proof-tested at 300 psig (air) and leak-tested at 100 psig (air under water).
Maximum main coil working pressure is 300 psig. Maximum entering water temperature is 200°F.
Tubes and u-bends are 3/8”OD copper. Fins are aluminum and are mechanically bonded to the
copper tubes. Coil stubouts are 5/8” OD copper tubing.

Reheat Coils
Reheat coils are available for use with both hot water and steam. Hot water maximum working
pressure is 300 psig, and the maximum entering water temperature is 200°F. The steam coil
maximum working pressure is 15 psig. The reheat coils are constructed of single circuit 5/8” copper
tubes with aluminum fins. Piping connections are expanded to accept standard copper tubing
5/8”OD.

Piping Packages
All piping packages are proof-tested at 300 psig (air) and leak tested at 100 psig (air under water).
The maximum working pressure of the interconnecting piping is 300 psig.

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Mechanical Specifications
Options
Piping packages are available in either basic or deluxe configurations. The deluxe package includes
unions at the coil connections and a 20-mesh strainer on the supply side with a pressure rating on
the strainer of up to 400 psig. The basic package does not include either unions or the strainer. A
choice of end valves are available on both the basic and deluxe piping packages.
The piping package is designed so that any condensation is directed into the UniTrane auxiliary
drain pan. Insulation of piping package is not required.

Ball Valve Supply and Return
A ball-type stop valve is available on both the supply and return of the piping package. The ball
valve is a shutoff valve only with a maximum working pressure of 400 psig.

Ball Valve Supply, Manual Circuit Setter Return
A ball valve is provided on the supply with a manual circuit setter on the return. The manual circuit
setter is a combination flow-setting device and shutoff valve that includes two Schrader ports. The
maximum working pressure of the valve is 300 psig.

Ball Valve S & R, Auto Circuit Setter Return
Ball type end valves are mounted on the supply and return, with an additional auto circuit setter
mounted on the return. The auto circuit setter is an automatic flow control valve that is sized to
allow a specific flowrate through the coil. Auto circuit setters also include two P/T plugs and have
a maximum working pressure of 400 psig.

Control Valves
Two-Way, Two-Position Control Valves
Two-way, two-position valves are rated for a maximum pressure differential across the valves of
30 psig. The valves are also available with a close-off pressure of 50 psig. The valve actuator is
easily removable for service without removing the valve body from piping. Use some means, such
as a pump and chiller bypass, to ensure the maximum closed off ΔP rating of the two-way valves
is not exceeded.

Three-Way, Two-Position Control Valves
Normally open three-way, two-position valves are rated for a maximum 28 psig pressure
differential across the valves. Normally closed three-way two-position valves are rated for a
maximum pressure differential across the valves of 20 psig. A bypass line is piped on all three-way
piping packages with a balance fitting to set flow through the bypass line. The balance fitting has
a maximum working pressure of 150 psig. The valves are also available with a maximum close-off
pressure of 50 psig. The valve actuator is easily removable for service without removing the valve
body from piping.

Modulating Control Valves
Two-way and three-way modulating valves are rated for a maximum pressure differential across
the valves of 50 psig (345 kPa). The modulating valves are available in Cv values of 0.7, 1.5, 2.5 and
4.0.
All two-position and modulating control valves have a maximum working pressure of 300 psig.
The maximum entering water temperature of the valve is 200°F.

Electric Heat Coil
The auxiliary electric heating coil is provided as either the total source of heat or auxiliary
intermediate season heating. The electric heat coils are located in the preheat position, and are the
open-wire type. The coils are a nickel chromium element design. The electric heat operates at the
same voltage as the unit, and only a single power connection is necessary.
All units with factory-mounted electric heat are UL-listed and interlocked with the fan motor switch.
A call for electric heat operation will turn the fan on. Motors controls are synchronized with
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Mechanical Specifications
Options
fan/valve operation to ensure safe operation and to ensure that two modes of heat are not
operating simultaneously. A transformer is supplied on any voltage unit, eliminating the need for
field installation of a step-down transformer. Unit-mounted quiet magnetic relays are supplied on
all voltages. A high temperature cutout with automatic reset is provided as an integral part of the
elements to de-energize the electric heat in the event of a malfunction.

Filters
Filters are concealed from sight and easily removable. Filters are located behind an integral access
door on horizontal type units. Filters are either 1” throwaway or 1” MERV 8.
Units equipped with 1” MERV 8 filters have a rating based on ASHRAE Standard 52.2. The average
dust spot efficiency is no less than 35 to 40 percent when tested in accordance with ASHRAE 52.1
atmospheric dust spot method.
Units equipped with 1” MERV 13 filters have a rating based on ASHRAE Standard 52.2. The
average dust spot efficiency is no less than 90 percent efficiency on 1–3 micron particles and
greater than 90 percent efficiency on 3–10 micron particles when tested in accordance with
ASHRAE Test Standard 52.2.

Fresh Air Damper
A fresh air opening with a damper is a factory-installed option. Dampers are constructed of 18-gage
steel. Fresh air is sealed off with gasket material when the damper is set in the closed position.
Return and fresh air mixes when the damper is open.

Manual Damper
The manual damper is field-adjustable to allow a zero to 100 percent fresh air position.

Auto Two-Position Damper
The auto two-position damper is factory set at 25 percent when open. The damper can be set in the
field to allow a zero to 50 percent fresh air position.

Economizer Damper
The economizer damper is accompanied by a factory-installed and wired modulating actuator. The
damper is factory set at 25 percent default minimum and 100 percent maximum opening. The
damper is field adjustable using Tracer Summit or Rover to allow a zero to 100 percent fresh air.

Disconnect Switch
A unit mounted disconnect switch is available as a standard option on all units.

Colors
Six decorator colors are available in a baked powder finish. For a color chart, contact your local
Trane office for a copy of UNT-SLB017-EN (Color Selector: Cabinet Heaters, Fan-Coils, Unit
Ventilators, & Water-Source Heat Pump Consoles).

Extended End Pockets
On vertical or horizontal cabinet units, an 8” extended end pocket is available on the piping end.

Tamperproof Locks
Key-operated locking access doors and/or panels will help prevent nuisance tampering with unit
and/or controls. Tamper proof locks are available on vertical cabinet, horizontal cabinet, vertical
recessed, vertical slope top, and low vertical units.

Leveling Feet
Refrigerator type screw-in bolts to level the unit are available on vertical and low vertical cabinet
units.

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Mechanical Specifications
Options

Quad Grille Outlet
Figure 27. Quad grille outlet

Quad grilles are square multi-directional grilles that allow four different discharge directions by
rotating the grilles 90°. The quad grille construction is a black plastic material (NORYL-SE 1-731)
with a 15° angle on the discharge louvers. Quad grilles are recessed into the discharge panel to
prevent condensation from forming on the grille exterior. Quad grilles are available on all cabinet
style units.

Bar Grille Inlet/Outlet
Figure 28. Bar grille inlet and outlet

Bar grilles are formed steel grille options available on the discharge of all cabinet units, the return
of vertical cabinet, vertical slope tops and low vertical cabinet units. The grilles have a black paint
finish with 18-gage steel construction. The louvers are formed at a 15° angle, and the discharge
grilles are recessed to prevent condensate formation on the surface of the grille. The bar grilles are
fixed in one discharge direction.

Sub-bases
Figure 29. Sub-base (shown turned on its side)

Sub-bases elevate vertical cabinet or slope top cabinet units to a specified height; for example, to
reach the bottom of a window sill. The sub-base also provides a cavity through which to run piping
underneath the fan-coil unit. Sub-bases are 16-gage steel construction and have the same black
paint finish as the unit’s base. The sub-base is available in heights between 2”–7” in 1/2”
increments. The sub-base depth and width is identical to the unit’s dimensions.
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Mechanical Specifications
Options

False Backs
Figure 30. False back

False backs increase the depth of a vertical cabinet unit and provide a cavity through which to run
piping behind the fan-coil unit. False backs are also an excellent application when installing a unit
beneath a window sill that extends out past the front of the unit.
False backs are 18-gage steel construction and have the same paint finish as the unit. The false back
is available in depths between 2”–8” in 1” increments, with height and width identical to the unit’s
dimensions.

Recessing Flanges
Figure 31. Recessing flange

Recessing flanges have 18-gage steel construction and are painted the same finish as the unit.
Recessing flanges provide an aesthetic architectural border or frame around vertical and horizontal
cabinet fan-coil units.

Aluminum Wall Boxes
Figure 32. Wall box

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Mechanical Specifications
Options
Wall boxes have a clear anodized finish and include a single core wire mesh insect screen. The
frame is 10-gage extruded aluminum alloy 6063-T5 construction. Horizontal louvers have 16-gage
extruded aluminum alloy 6063-T5 construction.
Wall boxes ship separate for field installation. A field supplied duct or sleeve from the wall box to
the unit fresh air opening is required to provide fresh air. Wall boxes are sized to handle up to
100 percent of nominal air flow.

Projection Panels
Figure 33. Projection panel

Projection panels allow semi-recessing of vertical recessed units.
Panels are 16-gage steel construction, painted with a baked powder finish. They are available in
projection depths ranging from 2”–6” in 1/2” increments. There is a distance of 7/8” between the
projection panel and the front of the unit.

Piping Components
Ball Valve
Figure 34. Ball valve

Part
Material
Lever
Steel, zinc plated
Seat
Teflon
Packing
Teflon
Stem
Rod Brass
G-Nut
Hex Brass
Ball
Brass, chrome plated
Retainer
Brass
Body
Cast Brass
Working Pressure
400 psi

UNT-PRC001-EN

Spec ASTM
VTFE
RTFE
B16
B16
B16
B16
B584-C84400

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Mechanical Specifications
Options

Manual Circuit Setter
Figure 35. Manual circuit setter

Material
Body—Forged Brass Alloy
Trim—Forged Brass Alloy
All Wetted Parts Brass
Temperature
250°F MAX
Working Pressure
300 psi

Auto Circuit Setter
Figure 36. Auto circuit setter

Material
Body—Forged Brass
Flow Cartridge—Electroless Nickel and Stainless Steel
Temperature
250°F MAX
Working Pressure
400 psi
Pressure Drop
0.5–9.0 gpm = 2 psi ΔP
10.0–12.0 gpm = 5 psi ΔP

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Mechanical Specifications
Options

Control Valve
Figure 37. Control valve

Material
Body—Forged Brass
Drive Shaft Stem—Chrome-Plated Brass (Modulating) Brass (2-Position)
Seat—Stainless Steel (Modulating)
Ball Plug—Buna N Rubber(2-Position)
Plug—High Temperature Thermoplastic (Modulating)
O-Ring Seals—EPDM Rubber (2-Position)
Actuator—Stainless Steel Base Plate, Aluminum Cover
Temperature
200°F Max.
34°F Min.
Working Pressure
300 psi
Pressure Drop (Close-Off ΔP)1
2-Way, Two-Position, N.O. = 30 psig
2-Way, Two-Position, N.C. = 30 psig
3-Way, Two-Position, N.O. = 28 psig
3-Way, Two-Position, N.C. = 20 psig
2-Way Modulating = 50 psig
3-Way Modulating = 50 psig

Balance Fitting
Figure 38. Balance fitting

Material
Packing Washer—11 Ga. Brass
O-Ring—EPDM Rubber
Stem—Rod Brass

1

UNT-PRC001-EN

All valves are available with optional 50 psig (345 kPa).

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Mechanical Specifications
Options
Gland Screw—Hex Brass
Valve Body—Cast Brass

Union
Material
Nut—Forged Brass
Body—Copper
Tail—Copper

Strainer
Figure 39. Strainer

Material
Body—Cast Bronze (85-5-5-5)
Cover—Cast Bronze (85-5-5-5)
Screen—Stainless Steel (20 Mesh)
Gasket—Teflon
Pressure and Temperature
400 psi at 150°F

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Trane optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the
leader in creating and sustaining safe, comfortable and energy efficient environments, Trane offers a broad
portfolio of advanced controls and HVAC systems, comprehensive building services, and parts.
For more information, visit www.Trane.com.
Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.
© 2012 Trane All rights reserved
UNT-PRC001-EN 08 May 2012

We are committed to using environmentally

Supersedes UNT-PRC001-EN (05 Dec 2011)

conscious print practices that reduce waste.



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