Nordyne M1G, M1B, M1S, M1M owner manual 710150 08/00, 1 2 3 4 5, G R C

36

NOTES	HEATING/
1. Incoming power must be polarized. Observe color
	COOLING
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.

CONNECTOR

ON/OFFHOUSING CAP

SWITCH

3SPEED BLOWER MOTOR

BLACK (HIGH) BLUE (MED. HI) RED (LOW) WHITE

1 2 3 4 5 6

W

G R C

WHITE

AUX. LIMIT

BLUE

BLUE

HEATING/COOLING

BLOWER

BLACK

BLACK

*RED BLACK

RED

(SEE NOTE)

TIE WIRE

GRAY

BLUE

ORANGE

WHITE
GRAY RED	FUSE3A
		HI-LIMIT
	BLACK
	GRAY		GREEN
TRANSFORMER
R	24 V			C

BLUE

FAN

SWITCH

MOTOR
4 SPEED
RED (LOW) BLACK (HIGH) BLUE (MED. HI) ORANGE (MED. LO)	WHITE

1 2 3 4 5 6

L1

N

SUPPLIED

115 V

BY INSTALLER

A/C

4

6 3

GREEN

WHITE

BLOWER

2

5 1

L1

RELAY

NEUTRAL

ORANGE

WHITE

BLACK

MANUAL RESET

GROUND SCREW

GRAY

BLUE

VENT SWITCH

FURNACE ELECTRICAL BOX

*M1G(C,D) Heating - replace orange wire with red wire (low speed)

LEGENDS

M1GB 070 Heating - replace orange wire with blue

115V:

FIELD 115V:

A/C & Heating Speeds: Refer to Table 10, A/C Blower Selection in the manual

24V:

FIELD 24V:

GAS VALVE

NOTE: To run at same speed in both heating and cooling mode,

remove wire from either terminal 4 or 6 on the relay, then attach

710150 08/00

jumper to terminals 4 and 6.

Figure 42. Gas Atmospheric Furnace, A/C Ready, M1G (B, C, D) 056, 070 Models