36
WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
GN
GND
COLOR CODES:
GN GREEN
RD RED
GY GRAY
PU PURPLE
PK PINK
BK BLACK
BL BLUE
WH WHITE
BR BROWN
YL YELLOW
OR ORANGE
GND
BK
RD
GN
GN
24
VA
C
11
5
VA
C
GND
GR
D
BK
YLO Y W1 W2 R G C TWIN
N.E.C. CLASS 2 WIRE
0140F02452-B
BR
PK
GY
OR
GN
BL
YL
S1
BK
HU
M
X-
FM
R
L1
CIRC-H
EAC-H
5
3
4
1
2
24 V 3 A
FUSE
NEUTRAL
DIAGNOSTIC
LED'S
5
CIRCUI
T
CON
NE
CT
OR
10
6
3
4
5
2
7
11
1
12
8
9
FUSE 3 A
MICRO
TO
PS2 (2)
TR (9)
G
HI
C
TH (5)
24
V
TH
ER
MO
ST
AT
CONNE
CT
IO
NS
N.
E.
C. CLA
SS
2 W
IR
E
VALVE
GAS
W2
TRANSFORMER
HLI (6)
Y2
Y1
HLO (11)
GND (4)
O
MVL (7)
NO
W1
C
R
CONTROLS
AUTO RESET AUXILIARY LIMIT
LIMIT CONTROLS
MANUAL RESET ROLLOUT
PRESS. SWTICH
HIGH FIRE
C
SWITCH
LOW FIRE PRESS
MVH (1)
DEHUM
GND
PS1 (12)
LIMIT CONTROL
AUTO RESET PRIMARY
24 VAC
NO
PM
MVC (8)
INTEGRATED CONTROL MODULE
C
BLWR
AIR
INDOOR
CIRCULATOR
R
TO
MICRO
TO
TO
+VDC
EAC
HUMIDIFIER
ID
NEUTRAL
WIRING TO UNIT
L
IN
TE
GR
AT
ED
CON
TR
OL MODUL
E
HOT SURFACE
GND
BLWR
NEUTRAL
WARNING:
GROUNDED.
OVERCURRENT PROTECTION DEVICE
MUST BE PROPERLY
SWITCH
NEUTRAL
ELECTRONIC
AIR
IGN
IND HI
DISCONNECT
FS
POLARIZED AND
NEUTRAL
LINE
NEUTRAL
JUNCTION BOX
BLWR
IND LO
N
INDOOR
AIR CLEANER
HUM
DOOR
NEUTRAL
IN
TE
GR
AT
ED
CON
TR
OL MODUL
E
TO 115VAC/ 1Ø /60 HZ POWER SUPPLY WITH
115 VAC
HUM-OUT
IGNITER
CIRCULATOR
BEFORE SERVICING.
FLAME SENSOR
DISCONNECT POWER
LINE
GND
T1 T2
OR
BR
BK
WH WH
WH
WH
PU
GY
YL
OR
BR
PK
RD
WH
BK
PU
GY
BR
OR
RD
OR
BL
RD
WH
WH
LINE
LIMIT CONTROL
AUXILIARY
AUTO RESET
PK
WARNING:DISCONNECT
TR
AN
SF
ORME
R
40
V
A
PU
N
NO
3
1
SWITCH
PRESSURE
LOW FIRE
SENSOR
FLAME
1 ROLL OUT SWITCH
SOME UNITS MAY HAVE
C
TO UNIT MUST BE
BL
BK
AND GROUNDED.
1
JUNC
TI
ON
B
OX
WH
SWITCH (PRESS.)
FIELD SPLICE
FIELD GND
3
GN
BL
BR
WH
NO
LIMIT CONTROL
AUTO RESET PRIMARY
WH
1
OR
WH
L
PU
GY
BK
SWITCH ASSEMBLY
ID BLOWER TWO-STAGE PRESSURE
OR
WH
SERVICING. WIRING
EQUIPMENT GND
INTERNAL TO
SWITCH
PRESSURE
HIGH FIRE
PROT. DEVICE
INTEGRATED CONTROL
PK
PU
PLUG CONNECTION
2
4
BK
C
DOOR OPEN)
(OPEN WHEN
DOOR SWITCH
COMPARTMENT
BLOWER
SWITCH (TEMP.)
GND
1
BLOWER
CIRCULATOR
JUNCTION
OR
40 VA
Ø /60 HZ
DISCONNECT
(WHITE RODGERS)
GAS VALVE
TWO STAGE
OVERCURRENT
CONNECTOR
2 CIRCUIT
LOW VOLTAGE (24V)
GND
WH
CHAS
SI
S
GR
OU
ND
2
3
IGNITER
SURFACE
HOT
2
YL
PU
2
C
BLOWER
DRAFT
INDUCED
BK
PM
BK
BLOWER COMPARTMENT
115 VAC/ 1
OVERCURRENT
BK
HARNESS
ECM MTR
HI
TERMINAL
OR
POWER BEFORE
IGNITER
RD
BK
TO
BK
POWER SUPPLY WITH
BURNER COMPARTMENT
PROTECTION DEVICE
PROPERLY POLARIZED
RD BK
OR
BL
LOW VOLTAGE FIELD
HI VOLTAGE (115V)
HI VOLTAGE FIELD
RAPID
= TWINNING ERROR
STEADY ON = INTERNAL GV ERROR, MICRO AND FREQUENCY CHECK
1 FLASH = FLAME SENSED WHEN NO FLAME SHOULD BE PRESENT
4 FLASHES = OPEN LIMIT SWITCH
RED LED FLASH CODE
2 FLASHES = PRESSURE SWITCH STUCK CLOSED/INDUCER ERROR
3 FLASHES = 1ST STAGE PRESSURE SWITCH STUCK
OPEN/INDUCER ERROR
5 FLASHES = OPEN ROLLOUT/OPEN FUSE DETECTED
6 FLASHES = PRESSURE SWITCH CYCLE LOCKOUT
7 FLASHES = EXTERNAL LOCKOUT (RETRIES)
8 FLASHES = EXTERNAL LOCKOUT (RECYCLES)
9 F GROUNDING OR REVERSED POLARITY
10 FLASHES = GAS FLOW WITH NO CALL FOR HEAT
11 FLASHES = LIMIT SWITCH OPEN-BLOWER FAILURE
12 FLASHES = IGNITOR RELAY FAILURE
3 DOUBLE FLASHES = 2ND STAGE PRESSURE SWITCH
STUCK OPEN/INDUCER ERROR
3 FLASHES = W2 PRESENT WITH NO W1
2 FLASHES = NORMAL OPERATION WITH
CALL FOR 2ND STAGE HEAT
1 FLASH = NORMAL OPERATION WITH CALL FOR
1ST STAGE HEAT (W1)
4 FLASHES = Y PRESENT WITH NO G CALL, YLO
PRESENT WITH NO G CALL
AMBER LED FLASH CODE
RAPID
= LOW FLAME SENSE CURRENT
RAPID = NORMAL OPERATION WITH CALL FOR FAN (G)
STEADY ON = STANDBY
1 FLASH = NORMAL OPERATION WITH CALL FOR
LOW STAGE COOL (YLO + G)
GREEN LED FLASH CODE
2 FLASHES = NORMAL OPERATION WITH CALL FOR HIGH
STAGE COOL/ OR SINGLE STAGE COOLING (Y + G)
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
NOTES:
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED
WHEN SERVICING.
MUST BE REPLACED IT MUST BE REPLACED WITH WIRING MATERIAL
HAVING A TEMPERATURE RATING OF AT LEAST 105 C. USE COPPER
CONDUCTORS ONLY.
4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C.
AND LOCAL CODES.
5. TO RECALL THE LAST 6 FAULTS, MOST RECENT TO LEAST RECENT,
DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE IN STANDBY
(NO THERMOSTAT INPUTS)
3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE
S3
S2
T5
T3 T4
RD
CO
M
BK
5
4
3
2
1
HI
GH
V
OL
TA
GE
!
D
IS
CO
NN
EC
TA
LL
PO
WE
RB
EF
OR
ES
ER
VI
CI
NG
OR
IN
ST
ALLI
NG
THIS
UN
IT
.
M
ULTI
PL
EP
OW
ER
SO
UR
CE
SM
AY
BE
PR
ES
EN
T
. F
AIL
UR
ET
OD
OS
OM
AY
CA
US
EP
RO
PE
RT
YD
AM
AG
E
,
PE
RS
ON
AL
IN
JU
RY
OR
DE
AT
H
.
