Wiring Diagrams - Nordyne M1GH 056 Installation Instructions And Owner's Manuals

20. WIRING DIAGRAMS

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.
SUPPLIED
BY INSTALLER
L1
NEUTRAL
GROUND
SCREW
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.
SUPPLIED BY
INSTALLER
L1
NEUTRAL
GROUND
SCREW
Figure 41. Standing Pilot with Induced Draft Furnace, M1GH 077, 090 Models
24
CONNECTOR
ON/OFF
HOUSING CAP
SWITCH
BLACK
BLACK
ORANGE
ORANGE
WHITE
GRAY
FAN ON/AUTO SWITCH
Figure 40. Gas Atmospheric Furnace, M1GH 056, 070 Models
BLOWER
MOTOR
HEATING
1 2
ON/OFF
SWITCH
CONNECTOR
HOUSING CAP
BLACK
BLUE
4 6 3
2 5 1
GRAY
BLACK
BLACK
ORANGE
ORANGE
WHITE
GRAY
BUSHING
GAS VALVE
FAN ON/AUTO
SWITCH
BLOWER
MOTOR
HEATING
ONLY W
R
C
1 2 3 4 5 6
COMMON
FOR OPTIONAL
ACCESSORY KITS
WHITE
HI-LIMIT
GRAY
24 V
TRANSFORMER
R C
L1 N
115 V
WHITE
BLACK
BLUE
FURNACE ELECTRICAL BOX
LEGENDS
GAS VALVE
115V:
24V:
ONLY
W
BLUE
R
C
3 4 5 6
WHITE
HI-LIMIT
BLACK
GRAY
24 V
TRANSFORMER
R C
L1 N
115 V
WHITE
WHITE
BLACK
BLUE
FURNACE ELECTRICAL BOX
AUX. LIMIT
BLUE
FAN SWITCH
MANUAL RESET
VENT SWITCH
FIELD 115V:
FIELD 24V:
AUX. LIMIT
BLUE
FAN
SWITCH
COMBUSTION
1 2
FAN
PRESSURE
SWITCH
LEGENDS
115V: FIELD 115V:
24V: FIELD 24V:
703887B
703888C