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36
GME8 W
IRING
D
IAGRAM
H
IG
H
V
O
LTA
G
E
!
D
IS
CO
NNE
CT
AL
L
PO
WER
BE
F
O
RE
SE
R
V
IC
IN
G
OR
IN
S
T
A
LLI
N
G
TH
IS
UNI
T
.
M
U
LTI
P
L
E
PO
WER
S
O
U
RCE
S
MA
Y
BE
PR
E
S
EN
T
. F
AIL
U
RE
TO
DO
SO
MA
Y
CAU
S
E
PR
O
P
E
R
T
Y
DAM
AG
E
,
P
E
RS
O
NAL
INJ
URY
OR
DE
AT
H
.
BK
(
H
I)
AUXILIARY
PROPERLY POLARIZED AND GROUNDED.
SERVICING.W IRING TO UNIT MUST BE
WARNING:DISCONNECT POW ER BEFORE
XFMR
BK
115V
24V
BR
LIMITS
WH
(
N
)
RD
(
M
ED
L
O
W
)
OR
(M
E
D
)
BL
(
M
ED
H
I)
BL
O
W
ER
CI
RCU
L
A
T
O
R
2
4
V
TH
ERM
O
ST
A
T
CO
N
N
EC
TI
O
N
S
RO2 (11)
GND (8)
HUMIDIFIER
XFMR (6)
GND
G
C
W
Y
TO
MICRO
R
MVL (2)
MVC (9)
PS (10)
PSO (4)
HLI (7)
HLO (1)
CONTROL MODULE
INTEGRATED
NO
SWITCH
PRESSURE
ID BLOWER
VALVE
M1
GAS
C2
C
115 VAC
FLAME SENSOR
FP
XFMR-H
XFMR (3)
RO1 (5)
24 VAC
HOT SURFACE
IGNITER
IN
T
E
G
R
A
T
ED
CO
NT
RO
L
M
O
DUL
E
IGN
IND
ID
BLWR
CIRCULATOR
BLWR
TRANSFORMER
40 VA
XFMR-N
IN
T
E
GR
A
T
E
D
CO
NT
RO
L
M
O
D
U
L
E
CIR-N
ON SOME MODELS
HUMIDIFIER
24 VAC
INDUCED DRAFT
BLOWER COMPARTMENT
BURNER COMPARTMENT
INTEGRATED CONTROL
INTERNAL TO
BLOWER
PRIMARY LIMIT
WH
GR
BK
IGNITER
SURFACE
HOT
PU
RD
15 PIN PLUG
C
NO
SWITCH
PRESSURE
BR
SENSOR
FLAME
BK
W H
ROLLOUT LIMITS
RAPID FLASHES = REVERSED 115 VAC POLARITY/VERIFY GND
SYSTEM LOCKOUT (RETRIES/RECYCLES EXCEEDED)
7 FLASHES = LOW FLAME SIGNAL
5 FLASHES = FLAME SENSE WITHOUT GAS VALVE
4 FLASHES = OPEN HIGH LIMIT
3 FLASHES = PRESSURE SWITCH STUCK OPEN
2 FLASHES = PRESSURE SWITCH STUCK CLOSED
STEADY ON = NORMAL OPERATION
OFF = CONTROL FAILURE
5
1 FLASH =
0
1
2
3
4
PU
6 FLASHES = OPEN ROLLOUT OR OPEN FUSE
COLOR CODES:
PU PURPLE
OR ORANGE
YL YELLOW
6
7
8
BK BLACK
GR GREEN
BR BROWN
PK PINK
RD RED
GY GRAY
BL BLUE
WH W HITE
PU
TO
115VAC/
1
Ø
/60
HZ
POWER SUPPLY WITH
OVERCURRENT
PROTECTION DEVICE
JUNCTION BOX
SWITCH
LINE-H
DOOR
L
GND
LINE-N
DISCONNECT
N
SW ITCH (TEMP.)
FIELD SPLICE
SWITCH (PRESS.)
PROT. DEVICE
OVERCURRENT
EQUIPMENT GND
TERMINAL
JUNCTION
HI
VOLTAGE
FIELD
HI
VOLTAGE
(115V)
LOW
VOLTAGE
FIELD
LOW
VOLTAGE
(24V)
PLUG
CONNECTION
IGNITER
FIELD GND
IND-N
IGN-N
JUNCTION
BOX
OVERCURRENT PROTECTION
POWER SUPPLY WITH
TO 115 VAC/ 1/60HZ
GND
LINE-N
LINE H
DEVICE
DOOR SWITCH
WH
BK
SWITCH LOCAT ED IN BLOWER
COMPARTMENT ON SOME MODELS
RD
RD
BL
PU
YL
OR
BR
(SINGLE CONTROL ON SOME MODELS)
PARK
9
7
8
6
5
4
C
G
R
W
Y
5 MIN
2 STG
MODE
2
1
3
2
1
CONTROL MODULE
INTEGRATED
PM
1
HI
C
3
2
2 STAGE
GAS VALVE
WH
24 VAC
HUMIDIFIER
RD
HI
MVH (12)
AIR CLEANER
ELECTRONIC
EAC-N
EAC-H
WH
BL
BR
WH
BL
BK
BK
YL
YL
RD
YL
YL
PU
OR
WH
WH
WH
WH
YL
BL
RD
C
8 FLASHES = CHECK IGNITER OR IMPROPER GROUND
NOTES:
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
2. MANUFACTURER'S SPECIFIED REPLACEMEN T PARTS MUST BE USED W HEN SERVICING.
3. IF ANY OF THE ORIGINAL W IRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED, IT MUST BE REPLACED W ITH
WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 105 °C. USE COPPER CONDUCTORS ONLY.
4. BLOW ER 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. (SEE SPEC SHEET FOR AIR
FLOW CHART)
5. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.
6. TO RECALL THE LAST 5 FAULTS, MOST RECENT TO LEAST RECENT, DEPRESS SW ITCH FOR MORE THAN 2 SECONDS
WHILE IN STANDBY(NO THERMOSTAT INPUTS).
Y
L
(
L
OW
)
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.