Nordyne Forced Air Gas and Oil Furnace M1M - Manual (Page 37)

37
Figure 43. Standing Pilot with Induced Draft Furnace, A/C Ready M1G (B, C, D) 077, 090 Models
1
5
2
A/C
BLOWER
RELAY
3
6
4
1
5
2
COMBUSTION BLOWER RELAY
3
6
4
ON/OFF SWITCH
GAS
VALVE
HI-LIMIT
AUX. LIMIT
TRANSFORMER
PRESSURE SWITCH
COMBUSTION FAN
L1
N C
R
24 V 115 V
BLACK
BLACK
BLACK
BLACK BLACK
ORANGE ORANGE GREEN
WHITE
WHITE
WHITE
WHITE
GRAY
GRAY
BLUE
BLUE
2
1
GRAY
L1
NEUTRAL
GROUND
SCREW
FURNACE ELECTRICAL BOX
RED BLACK BLUE
TIE WIRE
HEATING/ COOLING
BLUE
C R G W
FAN
SWITCH
BLUE
RED*
CONNECTOR
HOUSING
GRAY
3A FUSE
GREEN
LEGENDS 115V:
FIELD 115V:
24V:
FIELD 24V:
HEATING/COOLING
6
5
4
3
2
1
RED (LOW)
BLACK (HIGH)
BLUE (MED. HI)
ORANGE (MED. LO)
WHITE
BLOWER
MOTOR 4 SPEED
CONNECTOR HOUSING CAP
SUPPLIED BY INSTALLER
* Jumper Wire - M1GB 090 Units Only Otherwise Hi-Speed Connected to Blower Relay (Black) - M1GB 077 Heating: Orange wire replaced by Blue - M1GB 090 Heating: Orange wire replaced by Black
GRAY
RED
GREEN
WHITE
BLACK
BLACK
RED
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.
6
5
4
3
2
1
RED (LOW)
BLACK (HIGH)
BLUE (MED. HI)
WHITE
3 SPEED BLOWER MOTOR
A/C & Heating Speeds: Refer to Table 10, A/C Blower Selection in the manual
710151 08/00