57
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
WIRING DIAGRAMS
YL YELLOW
OR ORANGE
PU PURPLE
GN GREEN
BK BLACK
BR BROWN
WH WHITE
BL BLUE
GY GRAY
RD RED
COLOR CODES:
LOW VOLTAGE (24V)
LOW VOLTAGE FIELD
HI VOLTAGE (115V)
HI VOLTAGE FIELD
NOTES:
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
2. MANUFACTUR'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
GAS VALVE
C2
INTERNAL TO
INTEGRATED CONTROL
JUNCTION
EQUIPMENT GND
FIELD GND
DIAGNOSTIC
LED
2 CIRCUIT
CONNECTOR
HOT
SURFACE
IGNITER
OVERCURRENT
PROT. DEVICE
IGNITER
TH (3)
INTEGRATED
CONTROL MODULE
JUNCTION BOX
LINE-H
XFMR-H
IN
TE
GR
AT
ED
CO
NT
RO
L
MO
DU
LE
IN
TE
GR
ATED
CO
NT
RO
L
MO
DU
LE
GND
DISCONNECT
L
N
DISCONNECT POWER
BEFORE SERVICING.
WIRING TO UNIT
MUST BE
PROPERLY
POLARIZED
AND GROUNDED.
OVERCURRENT PROTECTION DEVICE
BL
4. BLOWER SPEEDS SHOULD BE ADJUSTED BY INSTALLER TO MATCH THE INSTALLATION REQUIREMENTS SO
AS TO PROVIDE THE CORRECT HEATING TEMPERATURE RISE AND THE CORRECT COOLING CFM.
3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED, IT MUST BE
HAVING A TEMPERATURE RATING OF AT LEAST
TERMINAL
SWITCH (PRESS.)
5. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.
PK PINK
FLAME
SENSOR
( SINGLE CONTROL ON 40K BTU )
BK
PLUG CONNECTION
FIELD SPLICE
SWITCH (TEMP.)
BLOWER
COMPARTMENT
DOOR SWITCH
(OP
EN WHEN
DOOR OPEN)
DOOR
SWITCH
WARNING:DISCONNECT POWER BEFORE
SERVICING.WIRING TO UNIT MUST BE
PROPERLY POLARIZED AND GROUNDED.
PO
WE
R SU
PPL
Y WI
TH
OVE
RCU
RR
EN
T PR
OT
EC
TION
DEVI
CE
1
TO
115
VA
C / 1Ø
/ 60
HZ
OR
ID BLOWER
PRESSURE
SWITCH
RD
WH
BURNER COMPARTMENT
BLOWER COMPARTMENT
NO
YL
CONTROL
PRIMARY LIMIT
AUTO RESET
BL
PU
MANUAL RESET ROLLOUT LIMIT CONTROL(S)
RD
OR
PK
BK
WH
WH
BLOWER
INDUCED DRAFT
AUXILIARY
LIMIT
CONTROLS
C
FS
LIMIT CONTROLS
AUXILIARY
IGNITER
HOT SURFACE
IND
IGN
BLWR
CIRCULATOR
BLWR
ID
FLAME SENSOR
115 VAC
TRANSFORMER
40 VA
24 VAC
GND
CONTROL
LIMIT
PRIMARY
AUTO RESET
(SINGLE CONTROL ON 40K BTU)
LIMIT CONTROL(S)
MANUAL RESET ROLLOUT
RO1 (5)
RO2 (11)
HLO (1)
HLI (7)
MVC (9)
GND (8)
TR (6)
OR
WH
BL
YL
OR
RD
GR
BR
PK
PK
BK
BK
24V
TH
ER
MO
STAT CO
NN
EC
TI
ON
S N.
E.
C.
CL
ASS 2
WI
RE
MICRO
TO
C
G
Y
W
R
2
OR
BL
YL
OR
PK
RD
OR
WH
XF
MR
-H
BL
GY
GR
1
2
3
12
11
10
9
8
7
6
5
4
WARNING:
105°C. USE COPPER CONDUCTORS ONLY.
PSO (4)
MV(12)
PS (10)
C
NO
ID BLOWER
PRESSURE
SWITCH
OFF
= CONTROL FAILURE
STEADY ON = NORMAL OPERATION
1 FLASH
=
2 FLASHES = PRESSURE SWITCH STUCK CLOSED
3 FLASHES = PRESSURE SWITCH STUCK OPEN
4 FLASHES = OPEN HIGH LIMIT
5 FLASHES = FLAME SENSE WITHOUT GAS VALVE
OPEN ROLLOUT
6 FLASHES =
SYSTEM LOCKOUT (RETRIES EXCEEDED)
CONTINUOUS/RAPID FLASHES = REVERSED 115 VAC POLARITY
CONTROL
MODULE
INTEGRATED
FUSE
MI
GY
GY
M1
GAS
VALVE
C2
TO 115VAC/ 1 Ø /60 HZ POWER SUPPLY WITH
PU
BR
GY
BR
LI
NE
NE
UT
RA
LS
NO
C
FRONT COVER
PRESSURE SWITCH
C
N
O
FRONT COVER
PRESSURE SWITCH
YL
7 FLASHES =
8 FLASHES =
LOW FLAME SIGNAL
IGNITER RELAY FAULT
ELECTRONIC
AIR CLEANER
EAC-H
HUMIDIFIER
HUMIDIFIER
R
C G
W Y
24V THERMOSTAT
CONNECTIONS
N.E.C. CLASS 2 WIRE
RD
OR
115 VAC
24 VAC
BK
GY
40 VA
TRANSFORMER
WH
GN
GND
RD
5
2
1
4
3
G
C
WH
L
N
BLOWER
CIRCULATOR
HARNESS
ECM MTR
RD
BK
OR
BL
BK
RD
WH
WH
WH
BL
RD
OR
BK
WH
BK
GND
DISCONNECT
L
N
WH
JUNCTION BOX
GND
GR
GR
GND
GND
E9
E36
IGN-N
IGN-N
IGN-N
E8
120V
E7
HUM-N
E6
IGN-N
E5
XFMR-N
IGN-N
E4
E32
E25
E3
E1
E2
LINE-H XFMR-H CIRC-H 120V
HUM-H EAC-H T1 T2 T3 T4 X COM
BK
R C
MICRO
CONTROLLED
0140F02482-A
9 FLASHES =
10 FLASHES =
11 FLASHES =
12 FLASHES =
REPLACED WITH WIRING MATERIAL
TWINNING FAULT
OPEN FUSE
IGNITER OPEN
INDUCER RELAY ERROR
BK
CIRC-H
