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DOWNFLOW/UPFLOW
ELECTRIC FURNACE
MODELS:

EB SERIES

Incorrect installation
may create condition
where the operation of the product could
cause personal
injury or property
damage.
The furnace shah be installed
cal components

are protected

so the electrifrom water.

CAUTION]
This product
must be installed
in strict
compliance
with the enclosed
installation
instructions and any applicable
Local, State
and National Codes including, but not limited to building, electrical, and mechanical
codes. Improper
installation
will void the
warranty.

66669

035-15266-003

Rev. A (0804)

035-15266-003
Rev.A (0804)
GENERAL

INFORMATION

CODES
The electric

EB FURNACE NOTES

following
The

following

regarding

list

includes

the EB furnace

1.

Furnace

2.

Heating

3.

Filters

4.

Filter size is universal

important

facts

and

and its packaging

are furnished

thermostat

Standard

inclusions:

is rated at 240 volts, 60 Hz, single
and Cooling

information

is packed

tilating

phase.

for the Installation
(NFPA

National

Systems

Electric

Canadian

A

1-7/8

B

2-5/8

C

3-1/2

D

SUB-BASE, IF USED,
ADDS 7/8" MORE TO
TOTAL HEIGHTAND
3/8" TO WIDTH.

of Warm
90B)

(NFPA

70)

Code,

for servicing

any furnace.

F

5-1/2

G

5-13/16

Part l (CSA

1

J

1-3/4

K

7-13-16

L

8-5/8

M
N

9-7/16
16-1/2

for access

access

may

furnace

24 inches

FURNACE
Electric

THERMOSTAT
WIRING

to the heating
a facing

is approved

material

inlet

or outlet

duct

paragraph

on Return

RETURN

AIR

must have a certain

M

FOR

for zero (0) in. clearance

work.

Clearances

WIRING ENTRY
OPTIONAL BOTTOM FIELD

HEATING

must

be

and

provided

of 200 sq. inches

free open-

other

above

than shown

see

to work

Use Return

Minimum

thermostat

operation

See Figure

for heating

Grille with minimum
AND

Coil cavity

8.

All furnaces

200 in 2 free area opening.

HP UP TO 3 1/2-TONS

Grille 7900-287P/B,

1FG0620BK

Door 3500-1581,3500-5851

Or any Return

Grille with minimum

(hinged),
(bulk pack),

250 in 2 free area opening.

and cooling.
FOR A/C UP TO 5-TONS

7.

air.

250 in 2 free area opening.

Or Louvered

1.

or alcove

for return

Grille 7900-287P/B,

Use Return

size is the same for all models.

a closet

ONLY FURNACE

FOR A/C UP TO 4-TONS

FIGURE 1 : FURNACE DIMENSIONS

properly,

total free area opening

200 in 2 free area opening.

Or any Return

AND

HP UP TO 4-TONS

built into furnace.
are equipped

and is AiC or Heat Pump
9.

Holding

10.

This furnace

strap furnished
is designed

Page 6 for upflow
This furnace

with an air conditioner

Minimum

blower

ready.

for downflow

Or any Return
how-

The return

air opening

(See

a sidewall

above

instruction.)

the furnace.

without

side

the front

walls

height,
furnace
and its components
equipment

combination
as a system
ries for the United States

listed

sticker

on the A/C

were

by Underwriter's
and Canada.

listed
Laborato-

in

or closet

6 inches

side where

furnace

grille

door
return
grille

cannot

(bulk pack),

anywhere

in a closet

front door or

or in a Iouvered
air is located
below

furnace

must be provided

is located

to provide

installed
start more

clearance
above
than

casing
on the

for proper

air

is not required

the furnace
three

door on

in the floor,

clearance

2. The 6 " minimum

is a return

This return

casing,

for the return

minimum

(hinged),

330 in 2 free area opening.

can be located

the furnace

If opening

flow. See Figure
if there

1FG0125

Grille with minimum

application;

conversion

Pump

1 RF1025BK,

Door 3500-1591,3500-5861

to an upflow application.

must not be operated

Heat

Grille

Or Louvered

panel installed.
This furnace

330 in 2 free area opening.

Use Return

on top rear of furnace.

ever, it may be converted

2

to com-

exterior

Air.

for the furnace

Minimum

and

the

wall or partition.

for a minimum

In order

NOTE:

This

or by locating

N

ENTRY

11.

and controls.

door

of

in front of the

on all or any part of the furnace

WIRING

Four-wire

in the location

elements

by a closet

from

FIELD

6.

factor

of 24 inches

ing for return air. For clearances

Furnace

C22.1)

CLEARANCE

furnace

bustible

a minimum

be provided

above the furnace

5.

and Air

codes take precedence
over any recmade in these instructions.

is an important

Provide

furnace

the

ENTRY

Air Heating

(state/county/township).

All applicable
ommendation

Access

5-1/16

H

and Ven-

LOCATION

1

E

with the

of Air Conditioning

(NFPA

Code

Electrical

All local codes

NOTE:
19-5/8

in accordance

90A)

for the Installation

Conditioning

- 16 x 20 x 1.

must be installed

Systems

Standard

with furnace.

with each model.
to all models

furnace

codes:

height.

feet above

the

height.

Unitary

Products

Group

035-15266-003
Rev.A(0804)

There must be at least
2 ft. of space available
in front of furnace for
servicing the furnace
when necessary.

23" MIN.

DUCT

SYSTEM

Electric
sure.

furnace

is designed

In order to assure
tribution

system

external
rating
20" _

that even
home.

(WITH

is

required if the space
between furnace and
enclosure is used for
return air,

24" MIN.
J

/

For Upflow

:

ALCOVE

When

installing

accessible

only

sealed

return

furnace

casing

Openings

or the ceiling

See Figure

door,

a minimum

securely

if there

ducts

must be sealed

and the living

starting

of 200
and be

in the outside

pass through

to prevent

walls,

air leakage

3.

FIGURE 3 • UPFLOW CLOSET CLEARANCE
Provisions
from

shall be made

all rooms

the circulating

and living
air supply

ply may cause improper
to cycle on the limit.

to permit

the return

of circulating

air

spaces,

except

the bathroom(s)

to

inlet of the furnace.
heating

and

Failure

may cause

to com-

the furnace

refer

instructions

away

from wall facing

or

of components.

2.

must be available
(blower

in front of fur-

or element

removal,

fur-

FOR ELECTRIC

FINGERED

SCREW

STYLE

TAB STYLE

7990-6211

7990-60! 1

7990-6221

7990-6021

14,
7990-6241

14,

14,
7990-6041

14,

6"

7990-626!

7999-6961

7"

7990-6271

7990-6071

8"

7990-628!

7990-6081

11"
CLOSET

Series),

the

2"

10"
I

part

1"

9"

30"
_1
WIDE DOOR

TO

DIMENSIONS

5"

25-1/2 ....

(7900

carefully

removal

Table 1: DUCT CONNECTOR
FURNACES

MAX. _

AIR

air. See Figure

etc.).

FLOOR

PASS THROUGH
FRAME
WIDTH

easy

nace removal,

4"

RETURN

the

for servicing.

servicing

3"

30"

the sub-

you need.

Read

conveniently

Two (2) feet of space

DUCT

1-5/8" MIN., 2-3/8

the

the installation.

clearance

nace for future

area.

32"

be such

A minimum of six (6) inches should be maintained
between the furnace and closet door when door is used
for return

is

The sup-

attached

are grilles

where

before
adequate

2.

to eliminate

1 will help you in deciding

Provide

to permit

should

throughout

CONNECTOR)

DUCT

provided

3.

or room which

air must be provided.

air must be ducted,

closet

wide by 30 inches

closet

an outside

for return

to the furnace

into or from

32 inches

in a separate

through

door to the closet.
the floor

a closet

of registers

a new duct connector

furnace

pressure

INSTALLATION

instructions.

partitions

the dispressure

the static

is provided

our duct connector
Table

pres-

plate. See Table 3.

of the new duct connector

Locate

the furnace,

not exceed

heat

to the following

1.

CLEARANCES

wide door is necessary.

sq. in. free opening
ply and

& CLOSET

installations,

deep with a 30-inch

SERIES

If you are installing

f-

FIGURE 2

7900

requirement.

number

of

static

so that the static

rating

FURNACE

We have redesigned
base

does

size and placement
distribution

at a given

air flow through

on the furnace

DOWNFLOW
A 6 in. clearance

proper

to operate

must be designed

to the furnace
shown

The number,
_

DESIGN

14,
7990-6301

14,

14,
7990-6101

14,

12"

7990-6321

7990-6121

13"

1?

1?

14"

NA

NA

15"

NA

NA

1"4,- Indicates connector above or below could be used
depending on tolerance in floor to duct dimension.
1"1"- Indicates connector above could be used depending
on tolerance in floor to duct dimension.
4,4,- Indicates connector below could be used depending
on tolerance in floor to duct dimension.

Unitary

Products

Group

3

035-15266-003 Rev. A

(0804)

DUCT CONNECTORS

(7990 SERIES)

These duct connectors are for connecting the furnace to an under the floor supply duct system.
The furnace may be installed on combustible flooring without a separate sub-base.
DUCT CONNECTORS
FOR
SCREW ATTACHMENT

DUCT CONNECTORS
TAB ATTACHMENT

FOR

18¼

18 42_43
4

14_

_14_

o
_L

_13
_DUCT
11

_

:

DUCT

W__
_

........

..................

//

m

_

i

&

i

,

/

2_1/8
,,,

FLOOR CUT*OUT
,

FOR DUCT
CONNECTOR
j_FLOOR

,
_

(

i
i

SERIES)

i

_

/_

"!_

_/

,
I

(7990

°

CEILING CUT-OUT
FOR ROOF JACK

/

"_ ,,': , ,
I

|

DIMENSIONS

o
_°

_o

CONNECTOR

REAR WALL
OF ENCLOSURE

DIMENSIONS
CUTOUT

o_o

FIGURE 4

11

5

i
_

!l

i
_

I

FURNACE

)

JN °UTL'NE

DUCT CONNECTOR
DEPTH

SUPPLY

OPT ONAL
ELECTRIC

......

[_4-

DUCT

ENTRANCE
lq/8

FLOOR
FUTURE REFRIGERANT
LINE ENTRANCE

FIGURE

5 :

RECOMMENDED
SERIES)

4

FLOOR

CUT-OUT

(7990

FIGURE

6 :

DUCT CONNECTOR
(7990 SERIES)

DEPTH

Unitary

Products

Group

035-15266-003
Rev.A(0804)

LOCATOR
BRACKET
NAILS,
FLAT
HEAD
SCREWS

LOCATOR BRACKET

OR STAPLES

OR STAPLES
_

BENDTABSUNDER
DUCT OPENING TO
NAILS, FLAT HEAD SCREWS
SECURE TO THE
SUPPLY DUCT.

SCREWS

!

FLOOR

SUPPLY DUCT

FIGURE

7 •

SUPPLY DUCT

DUCT CONNECTOR
ATTACHMENT

INSTALLATION
CONNECTOR

OF

SCREW

SCREW

ATTACHMENT

1.

Make floor cut out as shown
Determine

the depth

in Figure

of the floor

Place

duct connector

locating

bracket

to the back edge
4.

Apply

a water

attachment
5.

Determine

from

INSTALLATION

When properly
duct connector

air duct and select

2.

the

See Figure

to the 1/2" supply

Use screws
the supply

8.

as required

duct

the duct connector

to

duct.
to the supply
should

duct. If sealant

tape the mating

flanges

was not
to pro-

air seal.

Duct sealant

Make floor cut out as shown
Determine

and tape

must be classified

HUD Standard

3280.715,

used to provide

a better

by the applicable

Place

National

U.L. Standard
air seal should
or Local

Products

Group

of the floor

bracket

which

5.

cavity

from the surface

air duct and select

(supplied

best centers over the supply
the floor cutout.
5.

Mark cut-out location
duct connector.

6.

Cut out the opening

7.

Bend tabs down
duct.

8.

Secure

with the duct connector)

to the supply

through

duct and remove

8.

the

duct.

and back

up under

the supply

to the floor with nails, flat

or staples.
is designed

for use on ducts

in width. When using the connector
there will not be sufficient clearance
sides of the duct connector.

181A. Tape

In such

cases

See Figure

the duct connector

duct and insert it through

on the supply

the duct connector

The duct connector

duct by using

the

from the chart.

of the four positions

as meeting
be approved

Code.

DUCT

in Figure

duct connector

locating

Determine

the tabs may
sheet

be attached

metal screws

down

to 12"

on smaller width ducts,
to bend the tabs on two

to the sides

or other

suitable

of the

fasteners.

Holes for sheet metal screws are provided in three (3) tabs on
each side of the duct connector.
If more than 3 tabs need to
be used to provide

a more

the

can

remaining

screws

Unitary

the depth

head screws

Cut out the opening

NOTE:

4.

the duct connector

duct and insert it through

to secure

ATTACHMENT

to the rear of the floor area for the furnace.

aligned with the supply duct, secure the
to the floor with nails, fiat head screws or

used, the installer
vide a good

3.

of the duct connector.
of the four positions

TAB

of the floor to the top of the supply

7.

staples.
7.

OF

TAB

(7990 SERIES)

(7990 SERIES)

appropriate

with the duct connector)

based duct sealant

which

1.

from the surface

the chart.

(supplied

best centers over the supply
the floor cutout.
6.

DUCT

5.

cavity

of the floor opening.

flange

DUCT CONNECTOR

CONNECTOR

of the floor to the top of the supply

3.

8 :

ATTACHMENT

(7990 SERIES)

2.

appropriate

FIGURE

(7990 SERIES)

tabs

after drilling

secure

also

the required

and

air tight

be fastened
screw

connection,

to the

duct

with

holes.

5

035-15266-003
Rev.A (0804)
PARALLELDUCTSYSTEM
TheEBDuctConnector
Insert37323716001
maybeusedon
EBSeriesElectricManufactured
Housing
Furnaces
where
theductsystem
runsparallel
to thefurnace.
SeeFigure9.
TheEBDuctConnector
Insertshould
notbeusediftheduct
system
runsperpendicular
tothefurnace
orif theductsystemextends
onlyonedirection
fromthefurnace.
TheDuctConnector
Insertcannotbeusedwith 1" and 2"
Duct

Connectors

7990-6221
Follow

(7990-6011,

7990-6211,

Upfiow

Instruction

with the Duct Connector

furnace

ing the steps
Provide
1.

conversion

listed

adequate

Before

UPFLOW

is easily

accomplished

by follow-

below:
clearance

Conversion,

removal

for servicing:

locate

the furnace

or partitions

and installation

conveniently

to permit

easy

of components.

035-20632-001

Two (2) feet of space

must be available

nace for future

servicing

nace removal,

etc.).

(blower

in front of fur-

or element

removal,

fur-

Insert.
3500-5451"
Plate

Adapter

DOO

Upflow

steps

Remove

furnace

3.

Remove

air filter.

Remove

strap on the top of the unit, saving

5.

two (2) screws

kit 3500-7211
screws

FIGURE 9 : DUCT SYSTEM CONFIGURATION

pro-

panel.

unit upside-down,

the top. Obtain

PARALLEL LAYOUT

filter box per installation

the screw

for later use.

Turn entire
floor.
Remove

Flange

below:

2.

6.

LAYOUT

3500-7211"

prior to following

Assemble
the 3500-5451
vided with kit.

and strap
JRNACE

Box and/or

Kit are needed

1.

4.

PERPENDICULAR

TO

away from wall facing

2.
Kit Installation

CONVERSION

APPLICATION

and

).

Accessory

provided

7990-6021,

FURNACE

so the filter box is on the

that are on the front of the unit at

front panel hanger
*. Secure

removed

angle

the hanger

from the upflow

angle with two (2)

from the furance

casing

See Figure

11.

HANGER ANGLE _.
FURNACE SEATED
AGAINST THE
LOCATOR BRACKET

SCREW x 2

FIGURE 11 : HANGER ANGLE ATTACHMENT
FIGURE 10 : INSTALLATION OF FURNACE
INSTALLATION
1.

Install the duct flange

Secure

the front of the furnace

Secure

holes

provided.

with two screws

See Figure

the top of the furnace

as shown
9.

bracket.
at the

10.

to a structural

member

in Figure

If installaing
Optional

position

Strap

may be moved

to any of the holes

be pushed

equivalent
side.

method,

such

Installer

as screws

may provide
through

an

the casing

Standard

or Deluxe

start collar for the Economy

the strap at the top of the furnace.
along

plate on top of the inverted

furnace

12.
Air Systems,

pro-

POS system

shipped with 3500-7211"
can be used for blend air flex
duct installation.
Punch the lineset knockout out and

screw through

located

POS,

in Step 4 to the top,

ceed to Step 10.

using

the top back of the furnace.

6

8.

OF THE FURNACE

the Iocator

mounting
3.

Attach the strap that was removed
side or back of the furnace.

Remove the front panels and set the furnace onto the
duct connector.
Slide it back until the rear of the unit
engages

2.

7.

the start collar
under

can be used to capture
Secure

collar

over it. Duct connector

the casing

flange

the other

and screws

edge

can

provided

end of duct connector.

to top of furnace.

Unitary

Products

Group

035-15266-003
Rev.A(0804)
10.Flange
plateshipped
with3500-7211"
ismounted
tothe
furnace
witheight(8)screws
provided.
Two(2)blunt
screws
arefortheholesinthefrontofthefurnace.
See
Figure
12.
11.Ifupflowadapter
boxkit3500-5451"
isnotused,then
ouroptional
filterbracket
isprovided
with3500-7211"
kit.
Thisfilterbracket
maybe
usedtoretainfilterinsideits
original
location
inthefurnace.
12.Secure
thetopofthefurnace
toa structural
member
usingscrews
andthestrapontopofthefurnace.
The
mobile
homemanufacturer
mayprovide
anequivalent
strap,ifrequired,
tosecure
thefurnace.
13.Ifexcessive
movement
isexpected,
thensomeblower
support
isrecommended.

WIRING
Furnace

for the power

diagram

and should

side

through

than

side of furnace

22 gauge.

Power

of the unit or through

the bottom
through
the

between

These

in place

the furnace

entrance,

cable
will

also be no
through

and the floor. Thus,

must be

any strain

serve

in

wiring

connectors

also

the

located

bringing

and to relieve

connectors

and

Thermostat

enter

1). When

of the furnace,

to hold wiring

wiring.

Figure

sizes.

can

the auxiliary

of the unit. (See

the bottom

installed

wires

supply

(or Table 2) for wire

wire

connect

as

a

on
seal

additional

sealing

is

Canadian

Electrical

not required.
(Refer

to the

National

breakers.

the

inside

circuit.

means

JCONNECTOR

circuit

LINESET

branch

circuit

of the furnace

Additionally,

breakers

requirements.

with either

These

these

of disconnecting

tect the

KNOCKOUT

material

are equipped

amp circuit
wiring

Code,

for wiring

The furnaces

short

DUCT

Electrical

and local codes

NOTE:

FLANGE
PLATE
WITH

except

See wiring

wires
smaller

USE BLUNT

SCREWS)

is complete
wires.

and fuse size. See Table 2 for ground

Code

(MOUNTED

wiring

the thermostat

one or two 60

breakers
in the

breakers

the power

protect

event

a

to the unit. The

in the furnace

are not meant

circuit

between

wiring

of a

provide

to pro-

the

furnace

and the home's
breaker
panel. General
wire and
breaker
sizes are shown
in Table 2. If sheathed
EB SERIES
_(UPFLOW
FURNACE)

cable is used,
refer to National
Electrical
Code,
Canadian
Electrical
Code and local codes for additional requirements
concerning
supply circuit
Electrical
Data can be found in Table 4.

IMPORTANT
rated at 60°C
on the furnace

FIGURE

- All

installation

on field

wiring

or higher. Please refer to the wiring
or this book for more information.

wiring.

must

be

diagrams

12 : BLOWER BRACKET AND DUCT FLANGE
ATTACHMENT

Table 2:
MODELS
Single Branch Circuit Service
Nominal Circuit Load - AMPS

EB20B

EB17B

EB15B

94.0

84.0

2 L__ads + 1 Ground CK [#!
70.7

64.1

50.7

44.0

#2
#1
#0
#6

#3
#2
#1
#6

#4
#3
#2
#8

#4
#4
#3
#8

#6
#6
#4
#8

#8
#6
#6
#10

70

60

EB23B
*

Minimum Wire Size (90 ° )
Minimum Wire Size (75 ° )
Minimum Wire Size (60 ° )
Ground Wire Size +
Max. Fuse (or C.B.) - AMPS
Dual Branci_ £;ircult service
Branch Circuit Load - AMPS
Branch Circuit Min. - AMPS
Minimum Wire Size (90 ° )
Minimum Wire Size (75 ° )
Minimum Wire Size (60 ° )
Ground Wire Size +
Max. Fuse (or C.B.) - AMPS

C:K.I #1
47.3

125
C:K.I #Z
46.7

C:K.I #1
44.0

110
C:K.I #Z
40.0

90

I EB12BI

90

C:K.I #1
47.3

C:K.I #Z
23.4

C:K.I #1
44.0

C:K.I #Z
20.1

59.2
#6
#6
#4

58.4
#6
#6
#4

55.0
#8
#6
#6

50.0
#8
#8
#6

59.2
#6
#6
#4

29.3
#!0
#!0
#10

55.0
#8
#6
#6

25.2
#!0
#!0
#!0

#10
60

#10
60

#!0
60

#10
50

#!0
60

#10
30

#!0
60

#10
30

EB10B

NOT
APPROVED

*

Requires Jumper Bars (P/N 3500-3781") - Dual Supply for U.S. Only.
Refer to National Electrical Code. Table 310-16 for Non-Sheathed Conductors.
+ Refer to National Electrical Code. Table 250-95 for Non-Sheathed Conductor Ground Wire.

Unitary

Products

Group

7

035-15266-003
Rev.A (0804)
Table 3: EB SERIES BLOWER PERFORMANCE
Low Speed
Heating Speed

Static Pressure
(Inches of WC)

.0

.!

.2

.3

.4

.5

.6

.7

.8

Models EB10, 12, 15

CFM (STD. Air)

945

936

936

924

915

889

870

813

705

Medium Speed
Heating Speed

Static Pressure
(Inches of WC)

.0

.!

.2

.3

.4

.5

.6

.7

.8

Models EB17, 20, 23

CFM (STD. Air)

1160

1145

!145

1140

!129

1109

1073

!027

935

Static Pressure
Medium High
with A-Coil in place

(inches of WC)

.0

.1

.2

.3

.4

.5

.6

.7

.8

CFM (STD. Air)

1340

1317

1290

!252

1208

1158

1095

!021

876

Static Pressure
High
with A-Coil in place

Table 4: ELECTRICAL
MODEL
D.O.E.
Output

OUTPUT
CAPACITY

(inches of WC)

.0

.!

.2

.3

.4

.5

.6

.7

.8

CFM (STD. Air)

1573

!534

1490

!435

1369

!309

1237

1135

10!9

DATA

NUMBER

EB23B

EB20B

EB17B

EB15B

EB12B

EBIOB

56,000

51,000

39,000

34,000

240 VAC
60 Hz.
1 Phase

BTU

77,000

67,000

KW

22.6

19.6

230 VAC
60 Hz.
1 Phase

BTU

7! ,000

61,000

KW

20.8

17.9

220 VAC
60 Hz.

BTU

65,000

57,000

KW

!9.1

16.7

KW

21.6

19.2

16.0

14.4

11.2

9.6

AMPS

90.0

80.0

86.7

60.0

46.7

40.0

50.7*

44.01

1 Phase
EIement Capacity
@ 240 VAC

16.4

15.0

11.4

52,000

47,000

36,000

31,000

15.2

13.8

!0.6

9.1

48,000

43,000

33,000

29,000

14.1

12.6

9.7

8.5

4.0 Maximum

Motor AMPS @ 240 V.
Circuit Load AMPS
@ 240 V.

CKT 1

47.3

44.0

47.3

44.0

CKT 2

46.7

40.0

23.4

20.0

1. Approved for Single Branch Circuit Service Only
Casing or Cabinet must be Permanently Grounded in Accordance
Models

for EB23B,

nected

to a single

or dual branch

These

units

shipped

power

supply

8

are

EB20B,

connections.

EB17B

from

10.0

and

circuit.
the

For single

EB15B
(See

factory
power

may be con-

Table 2.)
set

up for

supply

dual

with National Electrical Code or other Applicable Codes.
tions,

jumper

bars

(P/N

available from the factory.
with jumper bars in place.

3500-378P*)

are required

Model for EB12B

is factory

and

are

shipped

connec-

Unitary

Products

Group

035-15266-003
Rev.A(0804)

SEQUENCERS
CIRCUIT
BREAKERS

II

/
,L

THERMOSTAT
WIRES

/
3500-378P*

JUMPER

BARS (FOR SINGLE
BRANCH
CIRCUIT

J

SERVICE)

@

NOTE:
AS SHIPPED, THE JUMPER BAR
ASSEMBLY IS SET-UP FOR
BOTTOM ENTRY. FOR SiDE
ENTRY, THE TOP LUG CAN BE
REMOVED AND RE-POSITIONED,
AS SHOWN, TO PROVIDE
PROPER WIRE BENDtNG
CLEARANCES,

J

TRANSFORMER
®

J

LIMIT
SWITCHES

L

®
®

_

OI

}

_GROUND

O0

LUGS

@

FIGURE 13 : CONTROL BOX

THERMOSTAT
The adjustable

_WARNING
For personal

safety

power

at the household

the

"OFF"

furnace

circuit

be

sure

breakers

to turn
before

or maintenance

operations.

should

never

any

requires

opening

Furnace

is equipped

field

wiring

pleted,
(See

connection.

shield

electrical

electric

Figure

when

electrical

box

and

attempting

In some
at

any

Homeowners

maintenance

with a protective
When

field

which

shield
wiring

to prevent

using

furnace

over

is comhazard

disconnect.

14.)

which

of

heat anticipator

This

cases

case

eliminating

setting

in the thermostat

should

the thermostat

no Amp.

be

should

checked

is pre-set
at the

may be a "self-setting"

setting

will be found

the need for any field

Thermostat

box door.

must be replaced

shock

the

service

service

perform

0.4 Amps.
installation

INSTALLATION

be located

time

at
of

type in

on the thermostat,

adjustment.
on an inside

wall

in an open

area to more closely
regulate
average
room air, preferably,
where there is air movement
back to furnace. Care should be
used to locate
ings, lights,
Thermostat

thermostat

floor. This is sometimes
If a condenser
Thermostat
contacts
tems.

away from

hot air discharge

with

called

its own

with this furnace,
to prevent

the comfort

Transformer

interconnection

of Class

to make sure it will operate

Maintenance

and operating

accompanying

Give the customer

zone.
shares

use a thermostat

Cycle furnace

envelope

open-

etc. Locating
height of thermostat
is important.
should be located 52 to 66 inches above the

instructions

a Heat/Cool
with

isolating

II 24 Volt Sys-

correctly.
are in the customer

the furnace.

envelope

to the home

owner.

CIRCUIT
BREAKERS
BLOWER
ELECTRIC
//PANEL

J

FIELD WIRING
PROTECTIVE
SHIELD

FIGURE 14 : FIELD WIRING SHIELD

Unitary

Products

Group

9

035-15266-003
Rev.A (0804)

CAUTION
When

using

separate

thermostats,

interlock

system

must be provided

taneous

operation

of the furnace

Simultaneous

operation

heating,

equipment

Figures

15 and 16.)

Do not

connect

outdoor

unit is instafled.

can

damage

Yellow

a

HEATING
THERMOSTAT

thermostat

to prevent

simul-

and air conditioner.

result

in coach

and energy

wire

COOLING
THERMOSTAT

over-

waste.

to thermostat

(See

until

DOUB %L o% ,TCH

an

TO
AiR CONDITIONER

TO
FURNACE

FIGURE 15 : THERMOSTAT WIRING

All furnaces

The EB*B* Furnaces are A/C ready.
installations should include a minimum of four conductor
wiring to accommodate
future air conditioning
installations,

thermostat

THERMOSTAT WiRiNG SCHEMATIC FOR: BLEND AIR AND FURNACE

RED

NOT

STANDARD OR DELUXE
BLEND AIR CONTROL BOX

FACTORY

INSTALLED
Z
uJ
uJ

Four-conductor wire is required for thermostat connection,
Attach the 4 low voltage wires extending from the control box as follows:
1. RED wire from Furnace to thermostat RED wire.

©

2. WHITE wire from Furnace to thermostat WHITE wire.
3. GREEN wire from Furnace to thermostat GREEN wire.
WIRES FROM FURNACE

4. BLACK wire from Furnace to condensing
5. Thermostat YELLOW wire to condensing

unit contactor.
unit contactor.

FIGURE 16 : THERMOSTAT WIRING

OPTIONAL AIR CONDITIONING
ACCESSORIES

This furnace
system

up to 3-1t2
downflow
adding

Failure
could

to
result

install

this

in damage

insulation

sonal injury. Liability
and warranty
facturer could also be void.

10

and

coil

to equipment
from

shelf

and/or

is already

to add-on
tons.

Insulation

or 3500-8961"

on such

equipped

air conditioning

remote

with

a blower

and

control

up to 4 tons and heat pump

and coil shelf
for upflow)

air conditioning

kit (3500-8941"

must

be installed

for
when

systems.

kit
per-

the manu-

Unitary

Products

Group

035-15266-003
Rev.A(0804)
HIGH PERFORMANCE

BLOWER ACCESSORY

All EB furnaces
trol system

PACKAGE

pump

around

openings

in the coil sheff should

Use some

the line sets, drain

moldable

compound

the area.

Failure

formance

and premature

WIRING

would

hoses

and other

be sealed
or caulking

to do so may result
compressor

in loss

air tighL

than the

up to 5-tons,

blower

and heat pump

of per-

tions
tion.

packed

with

etc. Please

would

package

for more

air

Acces-

insulation,

refer to the installation

the accessory

package
deliver

up to 4-tons.

blower,

heat
more

the furnace

blower

package

(3500-7901")includes

trap, clamps,

failure.

inside

blower

with an accessory

conditioning
package

and

production

This accessory

shelf,

and con-

up to 4-tons

is to achieve

have to be replaced

to seal

with a blower

If the requirement

3500-7901".
sory

equipped

air conditioning

up to 3 1/2-tons.

than specified

CAUTION
I
All areas

are already

to add-on

coil

instrucinforma-

DIAGRAMS

CONTROL

4-SPEED BLOWER
EB SERIES FURNACES

Z

BOX

HEAT/COOL
T'STAT

BLEND A]i

COND
UNIT
CONTACTOR

A

A
2 SPADE (]NSUL) TERMINALS
USED WHEN CHANGING
SPEEDS
BLOWER

TRANSFORMER

CIRCUIT #1
BREAKER

[_

60 Hz
I PHASE

t 24°
VAC

GND
LUG

MODEL: EB10B
SINGLE BRANCH
CfRCUfT SERVICE

ELEMENTS

LIMIT
SWITCHES

240 VAC - 60 Hz - 1 PHASE

NOTE:IF ANY

OF THE ORIGINAL WIRE SUPPLIED
WITH THIS UNIT MUST BE REPLACED, IT
MUST BE REPLACED WITH TYPE 105°C
THERMOPLASTIC
OR ITS EQUIVALENT.
FACTORY WIRING SHOWN SOLID, FIELD
WIRING SHOWN BROKEN,

WIRING MUST CONFORM TO LOCAL CODES
APPROVED FOR CU CONDUCTORS
ONLY,

FIGURE

D,O,E, OUTPUT CAPACITY - BTU
MAX, MOTOR-FLA
SINGLE BRANCH
CIRCUIT SERVICE
NOMINAL CIRCUIT LOAD-AMPS

34,000
4,0
2 LEADS + 1 GROUND
44,0

WIRE SIZE (75/' C) COPPER

#6

WIRE SIZE (60 ° C) COPPER

#6

MAX, FUSE SIZE (OR CB) -AMPS

60

17 : EB10B WIRING DIAGRAM

Unitary Products Group

11

035-15266-003

Rev. A (0804)

CAPACITOR

BLEND AIR
CONTROL
BOX

4-SPEED
BLOWER
EB SERIES
FURNACES

HEAT/COOL
T'STAT

CONDUNIT
CONTACTOR

A

A
E13

2 SPADE (INSUL)TERMINALS
USED WHEN CHANGING
SPEEDS
GRN
WHT

FUSE

BLK

BLOWER
RELAY
BLK

CIRCUIT #1
BREAKER

YEL

240 VAC
• 60 Hz
I PHASE

GND

MODEL: EB12B

LUG

SINGLE BRANCH
C]RCUIT SERVICE
ELEMENTS

NOTE:IF ANY

OF THE ORIGINAL WIRE SUPPLIED
WITH THIS UNIT MUST BE REPLACED, IT
MUST BE REPLACED WITH TYPE 105°C
THERMOPLASTIC
OR ITS EQUIVALENT.
FACTORY WIRING SHOWN SOLID, FIELD
WIRING SHOWN BROKEN,

WIRING MUST CONFORM TO LOCALCODES
APPROVED FOR CU CONDUCTORS
ONL_

LIMIT
SWITCHES

240 VAC

- 60 HZ - 1 PHASE

3,O,E, OUTPUT CAPACITY - BTU
V_AX, MOTOR-FLA
BINGLE BRANCH
31RCUIT SERVICE
qOMINAL CIRCUIT LOAD-AMPS

39,000
4,0
2 LEADS + 1 GROUND
50,7

NIRE SIZE (75 ° C) COPPER

#6

NIRE SIZE (60 ° C) COPPER

#4

V_AX, FUSE SIZE (OR CB) -AMPS

7O

FIGURE 18 : EB12B WIRING DIAGRAM

12

Unitary

Products

Group

035-15266-003
Rev.A(0804)

CAPACfTOR

4-SPEED BLOWER
EB SERIES FURNACES

BLEND AIR BOX
CONTROL

_F_

z m _ v

MODEL: EB15B
IT
CONTACTOR
CIRCU]T

#1

BREAKER

2 SPADE (INSUL)
TERMINALS
USED WHEN

/

GRN

WHT

TRANSFORMER__
ILINE,

£_

RED FUSE

_

_

F
BLK
RED

SINGLE BRANCH
CIRCUIT SERVICE

2401
60pHAsEVACHz

BREAKER
[]
CIRCUIT

#2

y[

GND

, YEL

CRCL

h.

L_
OR_',_ER

\

GND

LUG

-1

LUG

C,RCO,T_
24EOVAzC

DUAL BRANCH
CIRCUIT SERVICE

C'RDU'T% LO0
L

_

=

_A
L ^ ^ ^^ ^_1_
_VVVVVV4_RI
ELEMENTS LIMIT
SWITCHES

NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH
THIS UNIT MUST BE REPLACED. IT MUST BE
REPLACED WITH TYPE 105°C THERMOPLASTIC
OR ITS EQUIVALENT. FACTORY WIRING SHOWN
SOLID, FIELD WIRING SHOWN BROKEN,

WIRING MUST CONFORM TO LOCAL CODES
APPROVED FOR CU CONDUCTORS
ONLY,

D.O.E. OUTPUT CAPACITYMAX. MOTOR-FLA
SINGLE BRANCH
CIRCUIT SERVICE
NOMINAL CIRCUIT

BTU

$
LOAD-AMPS

WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 ° C) COPPER
MAX. FUSE SIZE
(OR CB) - AMPS
DUAL BRANCH
CIRCUIT SERVICE
BRANCH CKT. LOAD-AMPS
BRANCH CKT. MIN. AMPACITY
WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 ° C) COPPER
MAX. FUSE SIZE
(OR CB) - AMPS
$ REQUIRES

JUMPER

51,000
4.0
2 LEADS +
1 GROUND
64.0
#4
#3
9O
4 LEADS +
2 GROUNDS
CKT #1 - CKT #2
44
20.1
55
25.2
#6
#10
#6
#10
60

30

BARS (PIN 3500-378/*)

FIGURE 19 : EB15B WIRING DIAGRAM

Unitary

Products

Group

13

035-15266-003
Rev.A (0804)

MODEL: EB17B

2 SPADE

(INSUL)

TERMINALS

USED

CHANGING

SPEEDS

WHEN

BLOWER

CIRCUIT
.....

I

_

#1

BREAKER

TJ L

_ [_
_]
UND LUG

'
I

d PHASE

RED

-

f#

OK

_---,._-_

1

._r9

240

0

BREAKER

L_

DUAL BRANCH
CIRCUIT SERVICE

VAC

60 Hz

[_

•
ELEMENTS

CIRCUIT1
240 VAC

BREAKER

|
LIMIT

SWITCHES

NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH
THIS UNIT MUST BE REPLACED. IT MUST BE
REPLACED WITH TYPE 105°C THERMOPLASTIC
OR ITS EQUIVALENT. FACTORY WIRING SHOWN
SOLID, FIELD WIRING SHOWN BROKEN,

WIRING MUST CONFORM TO LOCAL CODES
APPROVED FOR CU CONDUCTORS
ONLY,

GND

I PHASE

LUG--

240 VAC

- 60 Hz - 1 PHASE

D.O.E. OUTPUT CAPACITY - BTU
MAX. MOTOR-FLA
SINGLE BRANCH
$
CIRCUIT SERVICE
NOMINAL CIRCUIT LOAD-AMPS
WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 ° C) COPPER
MAX, FUSE SIZE
(OR CB) - AMPS
DUAL BRANCH
CIRCUIT SERVICE
BRANCH CKT. LOAD-AMPS
BRANCH CKT. MIN. AMPACITY
WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 ° C) COPPER
MAX, FUSE SIZE
OR CB) - AMPS
SREQUtRES

JUMPER

56,000
4.0
2 LEADS +
1 GROUND
70.7
#3
#2
9O
4 LEADS +
2 GROUNDS
CKT #1 - CKT #2
47.3
23.4
59.2
29.3
#6
#10
#4
#10
60

30

BARS (P/N 3500-378/*)

FIGURE 20 : EB17B WIRING DIAGRAM

14

Unitary

Products

Group

035-15266-003
Rev.A(0804)

BLENDAIR
CONTROL

BOX

HEAT/COOL
T'STAT

MODEL: EB20B
CONTACTOR

A[Z_

CIRCUIT #1
BREAKER

,A

SINGLE BRANCH
CIRCUIT SERVICE

2 SPADE (INSUL) TERMINALS
USED WHEN CHANGING
SPEEDS

124OVA
c
I PHASE

CIRCUIT #2
BREAKER

[_
GND

CIRCUIT

#1

F_
GND

LUG

1
CfRCUff
240 VAC
60 Hz
I PHASE

LUG

DUAL BRANCH
CIRCUIT SERVICE
CIRCU]T 2
240 VAC

CIRCU]T #2
r_
BREAKER
GNDLUG

]

60 Hz
1 PHASE

240 VAC

ELEMENTS

UMIT
SWITCHES

NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH
THIS UNIT MUST BE REPLACED. IT MUST BE
REPLACED WITH TYPE 105°C THERMOPLASTIC
OR ITS EQUIVALENT. FACTORY WIRING SHOWN
SOLID. FIELD WIRING SHOWN BROKEN.

WIRING MUST CONFORM TO LOCAL CODES
APPROVED FOR CU CONDUCTORS
ONLY.

- 60 Hz - 1 PHASE

D.O.E. OUTPUT CAPACITY - BTU
MAX. MOTOR-FLA
SINGLE BRANCH
$
CIRCUIT SERVICE
NOMINAL CIRCUIT LOAD-AMPS
WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 I, C) COPPER
MAX, FUSE SIZE
(OR CB) - AMPS
DUAL BRANCH
CIRCUIT SERVICE
BRANCH CKT. LOAD-AMPS
BRANCH CKT. MIN. AMPACITY
WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 I, C) COPPER
MAX, FUSE SIZE
(OR CB) - AMPS
$ REQUIRES

JUMPER

67,000
4.0
2 LEADS +
1 GROUND
84.0
#2
#1
110
4 LEADS +
2 GROUNDS
CKT #1 - CKT #2
44.0
40
55
50
#6
#8
#6
#6
60

50

BARS (P/N 3500478/*)

FIGURE 21 : EB20B WIRING DIAGRAM

Unitary

Products

Group

15

035-15266-003
Rev.A (0804)

CAPACITOR
BLENDAIR
CONTROL

4-SPEED BLOWER
EB SERIES FURNACES

BOX

HEAT/COOL
T'STAT

MODEL: EB23B
CONTACTOR

A

CIRCUIT

#1

CIRCUIT

#2

SINGLE
CfRCUiT

A

BRANCH
SERVICE

GRN
2 SPADE (INSUL)
TERMINALS
USED WHEN CHANGING
SPEEDS
RELAY

BREAKER

_]

j

GND

CIRCUIT #1
BREAKER

LUG

Z
[_

CIRCUIT 1
240 VAC
60 Hz
I PHASE
DUALBRANCH
CIRCU]T SERVICE
CIRCUIT 2
240 VAC
60 Hz
I PHASE

GND

LUG

240 VAC

- 60 Hz - 1 PHASE

D.O.E. OUTPUT CAPACITY - BTU
MAX, MOTOR-FLA
SINGLE BRANCH
:I:
CIRCUIT SERVICE
NOMINAL CIRCUIT LOAD-AMPS
ELEMENTS

L]MIT
SWITCHES

NOTE:IF ANY

OF THE ORIGINAL WIRE SUPPLIED WITH
THIS UNIT MUST BE REPLACED. IT MUST BE
REPLACED WITH TYPE 105°C THERMOPLASTIC
OR ITS EQUIVALENT. FACTORY WIRING SHOWN
SOLID. FIELD WIRING SHOWN BROKEN.

WIRING MUST CONFORM TO LOCAL CODES
APPROVED FOR CU CONDUCTORS
ONLY.

WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 I' C) COPPER
MAX, FUSE SIZE
(OR CB) - AMPS
DUAL BRANCH
CIRCUIT SERVICE
BRANCH CKT. LOAD-AMPS
BRANCH CKT. MIN. AMPACITY
WIRE SIZE (75 ° C) COPPER
WIRE SIZE (60 I' C) COPPER
MAX, FUSE SIZE
(OR CB) - AMPS
:I:REQUIRES

JUMPER

77,000
4.0
2 LEADS +
1 GROUND
94.0
#1
#0
125
4 LEADS +
2 GROUNDS
CKT #1 - CKT #2
47.3
48.7
59.2
58.4
#6
#6
#4
#4
60

60

BARS (P/N 3500-378/*)

FIGURE 22 : EB23B WIRING DIAGRAM

16

Unitary

Products

Group

035-15266-003
Rev.A(0804)
REPAIR

PARTS LIST

MODELS
ii

iii

IIS

E8108
EB128

E8158
E8178
iii
iii

uI

E82OB
E823B

" °r
[

v

J

Unitary Products Group

17

035-15266-003

Rev. A (0804)

ITEIV
1
2

DESCRIPTION
Thermostat (Heat!Cool)
Front Panel

EB10B

EBI2B

EBISB

025-38746-000

025-38746-000

025-38746-000

3500-1751/B
3500-1581
3500-159!
1214-2511
1214-2521

3500-1751/B
3500-1581
3500-159!
1214-2511
1214-2521

3

Filter (16 x 20 x 1)
Filter (2o x 2o x 1) (Front Return Panel)

3500-!751/B
3500-1581
3500-1591
12!4-2511
12!4-2521

4
5

Support Angle
Cover, Electric Box

3500-1861

3500-1861

3500-1861

3500-2351/A

3500-2361/A

3500-2361/A

6

Cover (Service Entrance)

7
8*

Sub-base (Optional)
Sub-base (M10)(Optional)

3500-!271
3500-1071/B

3500-1271
3500-1071/B

3500-1271
3500-1071/B

3500-5221

3500-5221

3500-522!

9

Blower Motor (For furnaces produced
before 2/99)

1488-243P/A

1488-243P/A

1468-243P/A

10

Blower Motor (For furnaces produced
after 2/99)

024-27651-000

024-27651-000

024-27651-000

Capacitor (7.5MFD/370V)

!499-4461

1499-4461

1499-446!

3110-3301

3110-3301

3110-3301

13

Relay
Motor Mount Assembly

373-19831-09!

373-19831-001

373-19831-001

14
15

Blower Wheel

1472-2831

1472-2831

1472-2831

Limit Baffle (For furnaces produced
before 3/98)
Heater Element (For furnaces produced before 3/98)

3500-!29

3500-!01

3500-101

(9.6Kw)
3500-4101

(11.2Kw)
3500-412!

(4.8Kw) & (9.6Kw)
3500-405! &
3500-419!

Front Panel (Front Return 4-Ton)
Front Panel (Front Return 5-Ton)

11
12

16"
17

(! PC) (Kit)

18

Heater Element

19
20

Transformer
Sequencer

21

Bracket (Circuit Breaker)

22

Limit Switch (For furnaces produced
before 3/98)

23

Circuit Breaker (1 Req'd)
Circuit Breaker (2 Req'd)

24

(See Note 3)

(See Note 2)

26
27

Drain Tube

(See Note 1)

28

Coil Shelf
Coil Shelf Panel
Insulation, Cover Panel

29
30
31"

Condensate

(11.2Kw)
3500-412 P/A

3300-3861

3390-3861

3110-3571

3!10-3571

3500-!28

3500-!28

3500-!28

2 ea. 7142-3091

2 ea. 3500-3121

3 ea. 3500-3151/A

(240/24V-40A)

Buss Bar
Ground Lug (Large)
Ground Lug (Small)

25

(9.6Kw)
3500-419 P/A

Trap

(Open 150, Close 110)
3500-377P/A

(Open150, Ctose120)

(4.8Kw) & (9.6Kw)
3500-405P/A&
3500-410P/A
3390-3861
3!10-357!

(Open 150, Close 110)

3500-377P/A

3500-377P/A

3500-378P

3500-378P

3500-378P

1216-231

1216-231

1216-231
12!6-229

029-22!84-001
3240-3051

029-22!84-001
3240-3051

029-22184-001
3240-3051

(See Note 1)
(See Note 1)

3500-174

3500-174

3500-174

3500-!71

3500-171

(See Note !)

9!0-69111-001

(See Note 1)

9!0-6911!-001

3500-171
010-6911!-001

32*
See Page 20 Field Fix Kits

33*
34*
35*
36*
NOTE:

Wiring diagram
Fuse

035-!5274-001
925-32746-026

035-!5275-001
925-32746-026

035-!5276-001
025-32746-026

*Not Shown
Major components

and suggested

stocking items are shown with shaded

item number.

--- Not applicable to specified model.
All parts with three digit suffix numbers are "Special Order" parts
avaitabitity and require extra time for detivery
1 Not Standard with furnace,
2 Standard on EB12B.

18

contained in accessory

These parts are subject to factory

kit no. 3500-8941.

Unitary

Products

Group

035-15266-003
Rev.A(0804)

ITEM
1
2

3

DESCRIPTION
Thermostat (Heat/Cool)
Front Panel
Front
Front
Filter
Filter

Panel (Front Return 4-Ton)
Panel (Front Return 5-Ton)
(16 x 20 x 1)
(20 x 2o x 1) (Front Return Panel)

4
5

Support Angle
Cover, Electric Box

6

Cover (Service Entrance)

7

Sub-base (Optional)

8
9

Sub-base (M10) (Optional)
Blower Motor (For furnaces produced

10

before 2/99)
Blower Motor (For furnaces produced
after 2/99)

11
12

EB17B

EB20B

EB23B

025-38746-000
3500-!751/B
3500-!581
3500-!591

025-38746-000
3500-1751/B
3500-1581
3500-1591

025-38746-000
3500-1751/B
3500-!581
3500-!59!

1214-2511
12!4-2521

1214-2511
12!4-2521

1214-2511
1214-252!

3500-186!
3500-236!/A

3500-1861
3500-236!/A

3500-1881
3500-2361/A

3500-1271

3500-1271

3500-127!

3500-!071/B
3500-5221

3500-1071/B
3500-5221

3500-1071/B
3500-5221

1468-243P/A

1468-243P/A

1488-243P/A

024-27651-000

024-27651-000

024-27651-000

Capacitor (7.5MFD/370V)

!499-4461

1499-4461

1499-446!

Relay

3110-3301

3!10-3301

3110-3301

373-19831-001

373-19831-001

373-19831-001

13

Motor Mount Assembly (1 PC) (Kit)

14
15

Blower Wheel

1472-283!

1472-2831

1472-2831

Limit Baffle (For furnaces produced
before 3/98)
Heater Element (For furnaces produced
before 3/98)

3500-!29

3500-!29

3500-129

(4.8Kw) & (11.2Kw)
3500-4051 &
3500-4121

2 Ea.(9.6Kw)
3500-4101

(10.4Kw) & (11.2Kw)
3500-4111 &
3500-4121

(5.6Kw) & (!0.4Kw)
3500-406P/A &
3500-411P/A

2 Ea. (9.6Kw)
3500-410P/A

(10.4Kw) & (11.2Kw)
3500-411P/A &
3500-412P/A

16
17

18

Heater Element

19
20

Transformer
Sequencer

(See Note 3)

(240/24V-40A)

21

Bracket (Circuit Breaker)

22

Limt Switch (For furnaces
before 3/98)

produced

Circuit Breaker
Buss Bar

(See Note 2)

23
24
25
26
27
28
29
30
31"

(2 Req'd)

Ground Lug (Large)
Ground Lug (Small)
Drain Tube
Condensate

(See Note 1)
(See Note 1)

Trap

Coil Shelf

(See Note 1)

Coil Shelf Panel
Insulation, Cover Panel

(See Note 1)
(See Note !)

3300-3861

3300-3861

3300-3861

3115-3571
3500-128

3!20A3571
3500-!28

3129A3571
3500-128

3 ea. 7142-3091
(Open 158, Close 110)
3500-377P/A

4 ea. 7142-3091
(Open150, Close 110)
3500-377P/A

4 ea. 7142-3091
(Open 150, Ctose 110)
3500-377P/A

3500-378P
1216-231

3500-378P
12!6-231

3500-378P
1216-231

1216-229
029-22!84-001

12!6-229
029-22!84-001

1216-229
029-22184-001

3240-3051
3500-!74

3240-3051
3500-174

3240-3051
3500-174

<

3500-17!1

3500-1711

3500-!71!

<

010-691!1-001

010-691!1-001

0!0-6911!-001

<

32*
See Page 20 For Field Fix Kits

33*
348
35*
36*

NOTE:

Wiring diagram
Fuse

035-!5277-001
025-32746-026

035-!5278-901
025-32746-026

035-15279-001
025-32746-026

*Not Shown
Major components

and suggested

stocking items are shown with shaded

item number.

--- Not applicable to specified model.
All parts with three digit suffix numbers are "Special OrdeP parts. These parts are subject to factory
availability and require extra time for delivery
1 Not Standard with furnace,
2 Standard on EB12B.

Unitary

Products

Group

contained in accessory

kit no. 3500-8941

19

FIELD

FIX KIT FOR EB12
FIELD

(A&B)

MANUFACTURED

FIX KT 3500-7121

1995

CONTAINS:

DESCRIPTION

PART NO.

31"

! Each Limit Baffle

3500-101

32*

2 Each Limit Switch

3500-3121

FIX KIT FOR EB15
FIELD

(A&B)

MANUFACTURED

FIX KT 3500-7151

PRIOR

TO AUGUST

1995

CONTAINS:

ITEM

DESCRIPTION

PART NO.

33*

! Each Limit Baffle

3500-101

34*

2 Each Limit Switch

3500-3151/A

Subject to change without notice. Printed in U.S.A.
Copyright t-: by York International Corp. 2004. All rights reserved.

Group

TO AUGUST

ITEM

FIELD

Unitary
Products

PRIOR

Supersedes:

RO.
Box
19014

035-15266-003
035-15266-002

Rev. A (0804)
Rev. D (0304)
Wichita
KS
67204-9014



---

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