Gme8_Ca W Iring Iagram; Iring D Iagram - Goodman MH8 Installation Instructions Manual

GME8_CA W
0 STEADY ON = NORMAL OPERATION
OFF
1 FLASH =
1
2 FLASHES = PRESSURE SWITCH STUCK CLOSED
2
3 FLASHES = PRESSURE SWITCH STUCK OPEN
3
4 FLASHES = OPEN HIGH LIMIT
4
5 FLASHES = FLAME SENSE WITHOUT GAS VALVE
5
6 FLASHES = OPEN ROLLOUT OR OPEN FUSE
6
7 FLASHES = LOW FLAME SIGNAL
7
8 FLASHES = CHECK IGNITER OR IMPROPER GROUND
8
RAPID FLASHES = REVERSED 115 VAC POLARITY/VERIFY GND
C
COLOR CODES:
YL YELLOW
OR ORANGE
PU PURPLE
GR GREEN
BK BLACK
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
D
IRING IAGRAM
WARNING:DISCONNECT POWER BEFORE
SERVICING.W IRING TO UNIT MUST BE
PROPERLY POLARIZED AND GROUNDED.
24 VAC
HUMIDIFIER
C G R W Y
5 MIN
2 STG MODE
WH
7 8 9
4 5 6
1 2 3
BR
INTEGRATED
CONTROL MODULE
BL
RD
2
1
BK 24V
115V
XFMR
WH
BK
GR
DOOR SWITCH
SWITCH LOCATED IN BLOWER
COMPARTMENT ON SOME MODELS
RD RD
PRIMARY LIMIT
RD
YL
YL
BR
PM C HI
1 2 3
HOT
SURFACE
2 STAGE
IGNITER
GAS VALVE
PU
PU PU
ROLLOUT LIMITS
(SINGLE CONTROL ON SOME MODELS)
= CONTROL FAILURE
SYSTEM LOCKOUT (RETRIES/RECYCLES EXCEEDED)
NOTES:
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
PK PINK
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED W HEN SERVICING.
BR BROWN
3. IF ANY OF THE ORIGINAL W IRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED, IT MUST BE REPLACED W ITH
WH W HITE W IRING 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
BL BLUE
PROVIDE THE CORRECT HEATING TEMPERATURE RISE AND THE CORRECT COOLING CFM. (SEE SPEC SHEET FOR AIR
GY GRAY
FLOW CHART)
RD RED 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 SWITCH FOR MORE THAN 2 SECONDS
W HILE IN STANDBY(NO THERMOSTAT INPUTS).
BL
AUXILIARY
LIMITS
BR
PARK
BK
15 PIN PLUG
ON SOME MODELS
BLOWER COMPARTMENT
BURNER COMPARTMENT
24 VAC
HUMIDIFIER
NO C
PRESSURE
YL YL
SWITCH
WH
BK
BL
WH
BK
JUNCTION
BOX
INDUCED DRAFT
BLOWER
TO 115 VAC/ 1/60HZ
POWER SUPPLY WITH
FLAME
OVERCURRENT PROTECTION
SENSOR
DEVICE
INTERNAL TO
INTEGRATED CONTROL
45
INTEGRATED
HUMIDIFIER
CONTROL MODULE
XFMR (6)
GND
GND (8)
C2
GAS
MVC (9)
HI VALVE
MVH (12)
M1
MVL (2)
C
G
PS (10)
C
PSO (4)
Y
TO
MICRO HLI (7)
W
HLO (1)
R
RO2 (11)
RO1 (5)
XFMR (3)
24 VAC
40 VA
TRANSFORMER
XFMR-H XFMR-N
115 VAC
FLAME SENSOR
FP
HOT SURFACE
IGNITER
IGN
IGN-N
ID
BLWR
IND
IND-N
CIRCULATOR
BLWR
CIR-N
ELECTRONIC
AIR CLEANER
EAC-H
EAC-N
LINE-H
JUNCTION BOX
DOOR
SWITCH
DISCONNECT
L GND N
LINE-N
GND
LINE H
ID BLOWER
PRESSURE
SWITCH
NO
LINE-N