Goodman Mfg GMH95 - Manual (Page 14)

14
WIRING DIAGRAMS
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
GMH95[0453,0704,0905]*XAB
GMH95[0703,0904,1155]*XAC
HIGH VOL
T
A
G
E
!
DIS
C
ONNECT
AL
L
POW
E
R BEF
O
RE
SERVICI
NG OR IN
S
T
A
L
L
IN
G
T
H
IS
UNIT
.
M
U
L
T
IPL
E
PO
W
E
R SO
UR
CES M
A
Y BE P
R
ESEN
T
.
F
A
IL
URE
T
O
DO
SO
M
A
Y CAUS
E
PRO
P
ERTY DAM
A
G
E
,
PERSO
NAL
I
N
J
U
R
Y
O
R
DE
A
T
H
.
R
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. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
0140F00592 REV. A
OR (MED LOW)
BL (MED)
RD (LOW)
GAS VALVE
C
PM
C G W
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
INT
E
GRA
T ED CONTROL
MODULE
IN
TEGRA
T E
D
CONTROL
MODULE
GND
DISCONNECT
L N
OVERCURRENT PROTECTION DEVICE
BR
GY
RD
BL
BK
4. IF HEATING AND COOLING BLOWER SPEEDS ARE NOT THE SAME, DISCARD JUMPER BEFORE CONNECTING BLOWER LEADS. UNUSED
BLOWER LEADS MUST BE PLACED ON "PARK" TERMINALS OF INTEGRATED CONTROL OR TAPED.
3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL
HAVING A TEMPERATURE RATING OF AT LEAST 105
TERMINAL
SWITCH (PRESS.)
5. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.
PK PINK
115 VAC HOT AND PARK TERMINALS
LINE-H
FLAME
SENSOR
FRONT COVER
PRESSURE SWITCH
N
O C GY
BK
PLUG CONNECTION
FIELD SPLICE
SWITCH (TEMP.)
OR
24V THERMOSTAT
CONNECTIONS
GR GND
115 VAC
24 VAC
BLOWER
COMPARTMENT
DOOR SWITCH
(OPEN WHEN
DOOR OPEN)
DOOR
SWITCH
BK
GND
L
N WH
JUNCTION
BOX
1
OR
ID BLOWER
PRESSURE
SWITCH
HEAT-H
GND
WH
RD
WH
GND
BURNER COMPARTMENT
BLOWER COMPARTMENT
NOTE 4
SEE
N
O
COOL-H
BK (HI)
BR
BR
CAPACITOR
YL
WH
YL
BL
PU
RD
OR
PK
BK
WH WH
BLOWER
INDUCED DRAFT
MANUAL RESET
AUXILIARY LIMITS
(1) IN UPFLOW
BLOW ER DECK
(2) IN C'FLOW
BLOW ER HOUSING
C
FS
HI
HE
AT
-H
LO HE
AT
-H
IGNITER
HOT SURFACE
IND
IGN
EAC-H
AIR CLEANER
ELECTRONIC
BLWR
CIRCULATOR
BLWR
ID
FLAME SENSOR
115 VAC
TRANSFORMER
40 VA
24 VAC
GND
RO1 (5)
RO2 (11)
HLO (1)
HLI (7)
MVC (9)
GND (8)
TR (6)
OR
WH
WH
BL
YL
OR
RD
GR
BR
PK
PK
GY
WH
11
5 V
A C N
E
UT
RA
L
BK
BK
GY
24V
THERMOST
A
T
CONNECTI
O
NS
MICRO
TO
C
G
Y
W
R
2
WH
OR
BL
YL
OR
OR
GY
PK
RD
OR
GY
WH
XF
M
R
-H
TE
R
M
IN
A L S
GY
OR
GR
BR
1 2 3
12 11 10
9 8 7
6 5 4
°C. USE COPPER CONDUCTORS ONLY.
24 VAC
HUMIDIFIER
24 VAC
HUMIDIFIER
HUMIDIFIER
PSO (4)
MVL(2)
PS (10)
C
NO
C NO
FRONT COVER
PRESSURE
SWITCH
ID BLOWER
PRESSURE
SWITCH
0
C
7
6
5
4
3
2
1
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
7 FLASHES = LOW FLAME SIGNAL
6 FLASHES =
CONTINUOUS/RAPID FLASHES = REVERSED 115 VAC POLARITY
CONTROL
MODULE
INTEGRATED
FUSE
ON OFF
2ND
STAGE
DELAY
MODE
HEAT
OFF
DELAY
FS
1
2
3 HI OR
OR
PM
GAS
VALVE
C
HI
MVH (12)
FACTORY SETTINGS
SHOWN
*
*
*
*
SEE
NOTE 6
COOL-H
TO 115VAC/ 1Ø /60 HZ POWER SUPPLY WITH
PU
Y
6. TO RECALL THE LAST 5 FAULTS, MOST RECENT TO LEAST RECENT, DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE IN
STANDBY (NO THERMOSTAT INPUTS)
BK
LIN
E
NEUT
RALS
8 8 FLASHES = CHECK IGNITER OR IMPROPER GROUNDING