Goodman Mfg service manual Wiring Diagrams, GMH950453,0704,0905*XAB, GMH950703,0904,1155*XAC

WIRING DIAGRAMS	GMH95[0453,0704,0905]*XAB
	GMH95[0703,0904,1155]*XAC

			24 VAC		OR			BLOWER
								COMPARTMENT
			HUMIDIFIER				GY
								DOOR SWITCH
			24 VAC					(OPEN WHEN
								DOOR OPEN)
24V THERMOSTAT			115 VAC
CONNECTIONS
C	G	R	W Y		WH
				BK				BK
								BK
			FUSE					OR
								GY
					3	2	1	PK

				HUMIDIFIER			INTEGRATED
							CONTROL MODULE
			TR (6)		GND
			GND (8)
							C
			MVC (9)
							GAS
			MVH (12)				HI VALVE
							PM
			MVL(2)			C
	C			NO			ID BLOWER
			FRONT COVER
							PRESSURE
24V			PRESSURE SWITCH				SWITCH
	G		PS (10)			C	NO
THERMOSTAT	Y	TO	PSO (4)
		MICRO	HLI (7)
	W		HLO (1)

		INTEGRATED
		CONTROL
			MODULE
		ON OFF
				2ND
				STAGE	*
				DELAY
				MODE *
				HEAT
				OFF
				DELAY
				*
	FACTORY SETTINGS
SHOWN

6 9 12

GY

OR

FS

5	4		OR
8	7		BL
			GR
11	10		YL
	OR		OR
RD			BR
	GY
	TERMINALS	115 VAC	WH

CONNECTIONS	R	RO2 (11)
		RO1 (5)
	TH (3)	24 VAC
		40 VA
		TRANSFORMER
	XFMR-H	115 VAC

DIAGNOSTIC*	NOTE 6	XFMR	2
	SEE
LED		-H
115 VAC HOT AND PARK TERMINALS			1
COOL-H	HEAT-H
	SEE	LINE-H
GND
	NOTE 4

NEUTRAL	WH	PK
BK

FLAME SENSOR

FS

HOT SURFACE

IGNITER

IGN

HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.

	WH		WH		OR GR RD
	BK (HI)			YL
	BL (MED)	RD	PK
	OR (MED LOW)
	RD (LOW)		BK	BL	GY OR
BR
	BR		WH	OR	BR
			YL
	CAPACITOR

INTEGRATEDCONTROL MODULE				ID	LINE NEUTRALS	INTEGRATEDCONTROL MODULE
	IND			BLWR
	H	L
			O
	E
		A
			T-
				H
	COOL-H			CIRCULATOR
	I			BLWR
	H

BLOWER COMPARTMENT			PU
BURNER COMPARTMENT			MANUAL RESET
			AUXILIARY LIMITS
	GND		(1) IN UPFLOW
			BLOWER DECK
		BK	(2) IN C'FLOW
			BLOWER HOUSING
		WH	WH
		INDUCED DRAFT
		BLOWER	WH
			PU
			BL
RD	OR	YL	OR
	N	C	PK	RD
	O
WH

	ELECTRONIC
EAC-H	AIR CLEANER
LINE-H
	JUNCTION BOX
DOOR
SWITCH
	DISCONNECT

L	GND	N
TO 115VAC/ 1Ø /60 HZ POWER SUPPLY WITH
OVERCURRENT PROTECTION DEVICE

ID BLOWER								BL	JUNCTION
PRESSURE	24 VAC
									BOX
SWITCH	HUMIDIFIER					FRONT COVER
2 CIRCUIT	PM		GY	C	N	PRESSURE SWITCH				N
		1			O		GY		WH
CONNECTOR						GND	GR			GND
HOT	C	2	BR						BK	L
SURFACE
IGNITER	HI	3			OR				FLAME
			GAS VALVE						SENSOR

0

1 2 3 4 5 6 7 8 C

STEADY ON = NORMAL OPERATION
OFF	= CONTROL FAILURE
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
6 FLASHES =
7 FLASHES = LOW FLAME SIGNAL
8 FLASHES = CHECK IGNITER OR IMPROPER GROUNDING
CONTINUOUS/RAPID FLASHES = REVERSED 115 VAC POLARITY

LOW VOLTAGE (24V) LOW VOLTAGE FIELD HI VOLTAGE (115V) HI VOLTAGE FIELD JUNCTION TERMINAL

INTERNAL TO INTEGRATED CONTROL

PLUG CONNECTION

EQUIPMENT GND FIELD GND FIELD SPLICE SWITCH (TEMP.) IGNITER SWITCH (PRESS.)

OVERCURRENT PROT. DEVICE

COLOR CODES:	PK PINK	NOTES:
		1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
YL YELLOW	BR BROWN
		2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
OR ORANGE	WH WHITE	3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL
PU PURPLE	BL BLUE	HAVING A TEMPERATURE RATING OF AT LEAST 105 °C. USE COPPER CONDUCTORS ONLY.
		4. IF HEATING AND COOLING BLOWER SPEEDS ARE NOT THE SAME, DISCARD JUMPER BEFORE CONNECTING BLOWER LEADS. UNUSED
GN GREEN	GY GRAY
		BLOWER LEADS MUST BE PLACED ON "PARK" TERMINALS OF INTEGRATED CONTROL OR TAPED.
BK BLACK	RD RED
		5. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.
0140F00592 REV. A		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)

Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.

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