Iagram - Goodman MH8 Installation Instructions Manual

*(M,D)H8 W
IRING
D

IAGRAM

WARNING:DISCONNECT POWER BEFORE
SERVICING.WIRING TO UNIT MUST BE
PROPERLY POLARIZED AND GROUNDED.
24 VAC
HUMIDIFIER
C G R W Y
AUTO
1 STG
150 SEC
10 11 12
7 8 9
4 5 6
FUSE
1 2 3
INTEGRATED
CONTROL MODULE
FS
BL
RD
2
1
XFMR-H LINE-H EAC-H
BK
WH
BK
GR
SWITCH LOCATED IN BLOWER
COMPARTMENT ON SOME MODELS
RD
PRIMARY LIMIT
RD
YL
PM C HI
1 3 2
HOT
SURFACE
2 STAGE
IGNITER
GAS VALVE
(HONEY WELL)
PU
PU
ROLLOUT LIMITS
(SINGLE CONTROL ON SOME MODELS)
STEADY ON = NORMAL OPERATION
0
OFF = CONTROL FAILURE
1 FLASH =
1 SYSTEM LOCKOUT (RETRIES/RECYCLES EXCEEDED)
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
NOTES:
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
PK PINK
COLOR CODES:
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
YL YELLOW BR BROWN
3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE
OR ORANGE WH WHITE
PU PURPLE BL BLUE
4. BLOWER SPEEDS SHOULD BE ADJUSTED BY INSTALLER TO MATCH THE INSTALLATION
GR GREEN GY GRAY
BK BLACK 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
0140F00662 REV. A
5 MIN
2 STG MODE
100 SEC
WH
BL
SEE NOTE 6
AUXILIARY
BR
LIMITS
BR
PARK
BK
24V
115V
XFMR
15 PIN PLUG
ON SOME MODELS
BLOWER COMPARTMENT
BURNER COMPARTMENT
24 VAC
DOOR SWITCH
HUMIDIFIER
NO C
RD
PRESSURE
YL
SWITCH
YL
WH
BK
BR
BL
WH
BK
INDUCED DRAFT
BLOWER
PU
FLAME
SENSOR
INTEGRATED CONTROL
REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE
RATING OF AT LEAST 105 °C. USE COPPER CONDUCTORS ONLY.
REQUIREMENTS SO AS TO PROVIDE THE CORRECT HEATING TEMPERATURE RISE AND THE
CORRECT COOLING CFM. (SEE SPEC SHEET FOR AIR FLOW CHART)
FOR MORE THAN 2 SECONDS WHILE IN STANDBY(NO THERMOSTAT INPUTS).
45
HUMIDIFIER
XFMR (6)
GND (8)
MVC (9)
MVH (12)
MVL (2)
C
AUXILIARY
LIMIT CONTROLS
G
PS (10)
PSO (4)
Y
TO
MICRO HLI (7)
W
HLO (1)
R
RO2 (11)
RO1 (5)
MANUAL RESET ROLLOUT
LIMIT CONTROL(S)
(SINGLE CONTROL ON SOME MODELS)
XFMR (3)
24 VAC
XFMR-H
115 VAC
FLAME SENSOR
FP
HOT SURFACE
IGNITER
IGN
ID
BLWR
IND
COOL-H
CIRCULATOR
BLWR
ELECTRONIC
AIR CLEANER
EAC-H
LINE-H
JUNCTION BOX
DOOR
SWITCH
WARNING:
DISCONNECT POWER
YL
BEFORE SERVICING.
WIRING TO UNIT
MUST BE
PROPERLY
POLARIZED
AND GROUNDED.
L GND
OVERCURRENT PROTECTION DEVICE
JUNCTION
BOX
LINE-N
GND
LINE H
TO 115 VAC/ 1/60HZ
POWER SUPPLY WITH
OVERCURRENT PROTECTION
DEVICE
LOW VOLTAGE (24V)
EQUIPMENT GND
LOW VOLTAGE FIELD
HI VOLTAGE (115V)
HI VOLTAGE FIELD
SWITCH (TEMP.)
JUNCTION
TERMINAL
SWITCH (PRESS.)
INTERNAL TO
PLUG CONNECTION
INTEGRATED
CONTROL MODULE
GND
C2
GAS
VALVE
HI
M1
ID BLOWER
PRESSURE
SWITCH
NO
C
AUTO RESET
PRIMARY
LIMIT
CONTROL
40 VA
TRANSFORMER
XFMR-N
IGN-N
IND-N
CIR-N
EAC-N
LINE-N
DISCONNECT
N
FIELD GND
FIELD SPLICE
IGNITER
OVERCURRENT
PROT. DEVICE