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35
Figure 41. Standing Pilot with Induced Draft Furnace, M1GH 077, 090 Models
152
364
GAS VALVE
FAN
SWITCH
HI-LIMIT
AUX. LIMIT
PRESSURE
SWITCH
COMBUSTION
FAN
L1 N
CR
24 V
115 V
BLACK
BLACK
BLACK
BLUE
BLACK
WHITE
WHITE
WHITE
WHITE
GRAY
GRAY
BLUE
BLUE
21
GRAY
SUPPLIED BY
INSTALLER
FAN ON/AUTO
SWITCH
BLUE
BLACK
ORANGE
ORANGE
L1
NEUTRAL
GROUND
SCREW
FURNACE ELECTRICAL BOX
3A FUSE
BUSHING
RED
C
R
W
ON/OFF
SWITCH
CONNECTOR
HOUSING CAP
BLACK
BLACK
LEGENDS
115V: FIELD 115V:
24V: FIELD 24V:
GRAY
RED
WHITE
BLACK
BLACK
BLACK
TRANSFORMER
BLOWER
MOTOR
HEATING
ONLY
654321
BLACK
BLACK
NOTES
1. Incoming power must be polarized. Observe
color coding. (See furnace data label for
electrical information.)
2. If any of the original wires (as supplied with
the appliance) must be replaced, use 105˚C
Thermoplastic type wire or its equivalent.
Standing Pilot With Induced Draft Furnaces,
M1GH 077, 090 Models.
WIRING DIAGRAM
703888C
(Replaces 703888B)
02/99