Atwood Mobile Products 7916-II, 8012-II, 7920-II, MPD 32072 Venting Chart, Diagnostic Chart

GROUND￿

8			MOTOR
		Black
ELECTRODE	Black	Red
	White		CIRCUIT BREAKER
			Red	￿
	LIMIT			On/Off Switch
VALVE				Red	+12V DC
	White		White	Black	NEG
				White
	SAIL	Pwr	Blw
	SWITCH
5179 Yellow		DSI
Red	CONTROL
Red	White
				THERMOSTAT
Black				Blue

High Tension

NOTE: The ON/OFF switch, located in line with the gas valve, is not used when a combination circuit breaker and ON/OFF switch is used.

IMPORTANT Wiring must be replaced with wire rated 105˚C or higher.

VENTING CHART
V	VENT
	FURNACE	F M
KEEP CLEAR		KEEP CLEAR
COACH INTERIOR

VENT			CABINET DEPTH		VENT KIT NO.			EXTENSIONS
	V DIM.		F DIM.	M DIM.			EXHAUST	TUBE	EXT.
MIN	MAX		MIN	MAX	SS*	ALX	SS*	AL▼	BOX
0˝	3-5/8˝		20-1/2˝	24˝	36441	35955	35921	36444	35941
0 MM	92	MM	521 MM	610 MM
3-5/8˝	7-1/8˝		24˝	27-5/8˝	36442	35956	35928	36446	35947
92 MM	181	MM	610 MM	702 MM
7-1/8˝ 10-5/8˝			27-5/8˝	31-1/8˝	36443	35957	35930	36448	35951
181 MM	270	MM	702 MM	791 MM

D A

B

C

1

A

J

F

I

	E
		C	D	A
		A	B
				B
		2		H
				3
				B
	B
	C
	D		G
	E	+12 VDC
			-12 VDC
4	+12 VDC Red
				6
	-12 VDC Black	H

D

(-) Ground Black (-)

C

I E B

G

A(+) 12 VDC (+)

G

5

A

7

DIAGNOSTIC CHART

FAULT	LED INDICATION
Internal Circuit Board Failure	Steady on, no flashing
Limit switch/Airflow problems	1 flash with 3-second pause
Flame Sense Fault	2 flashes with 3-second pause
Ignition Lockout Fault	3 flashes with 3-second pause

4