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M1

Intertherm M1 Product information

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  • What type of wire should be used to replace the original wires supplied with the appliance?
    What is the purpose of the jumper wire installed on models M1(B,S)A and M1(B,S)086?
    Where can I find information about A/C Heating Speeds?
    What type of conductors should be used for wiring?
    What color is the wire that connects to the 'C' terminal on the furnace electrical box?
    What color is the wire that connects to the 'W' terminal on the furnace electrical box?
    What color is the wire that connects to the 'R' terminal on the furnace electrical box?
    What is the purpose of the transformer?
    What is the purpose of the igniter?
    What is the purpose of the blower motor?
15
2
A/C
BLOWER
RELAY
3
6
4
FAN
SWITCH
HI-LIMIT
AUX. LIMIT
TRANSFORMER
L1 N
C
R
24 V
115 V
GROUND
SCREW
FURNACE
ELECTRICAL BOX
TIE WIRE
3A FUSE
6
5
4
321
RED (LO)
BLACK (HIGH)
BLUE (MED. HI)
WHITE
4 SPEED
BLOWER
MOTOR
C
R
G
W
ON/OFF
SWITCH
CONNECTOR
HOUSING CAP
SUPPLIED
BY INSTALLER
6543
2
1
RED (LO)
BLUE (MEDHI)
BLACK (HI)
WHITE
3 SPEED
BLOWER
MOTOR
ORANGE (MED LO)
CRW
RECEPTACLE
BUSHING
NEUTRAL
L1
WHITE
RED
(SEE NOTE 3)
WHITE
BLUE
WHITE
BLUE
GRAY
BLACK
BLACK
ORANGE
WHITE
RED
GRAY
RED
GREEN
WHITE
GRAY
RED
GREEN
BLACK
BLACK
GREEN
GRAY
BLUE
BLACK
ORANGE
RED
BLACK
LINE CORD
T
T
CAD
CELL
FROM 'R' WIRE (RED)
FROM 'W' WIRE (BLUE)
CAD
CELL
R7184B
PRIMARY
CONTROL
OIL GUN BURNER
N
L1
BURNER ELECTRICAL BOX
GAS VALVE
GREEN
BLUE
BLUE
BLACK
WHITE
RED
RED
RED
BLACK
GROUND SCREW
BLACK
BLACK
RED
RED
BLACK
BLACK
GRAY
TERMINAL HOUSING
BUSHING
LINE CORD
(ITEM #12)
TERMINAL
BUSHING
BUSHING
BUSHING
BUSHING
W
C
ITEM #10
(TYP. 5)
IGNITER
FROM "C"
WIRE - GRAY
BLACK
BLACK
FROM "W"
WIRE - BLUE
GAS GUN BURNER
GV
PSO
FSG
C
IND
L1
HSI
HSIG
L2
W
PSI
FSI
CONTROL
MODULE
IGNITER
L2
MOTOR
L2
L2
L1
VALVE
L2
120 Volt
M1(S,B) Furnace Series
Single Phase / 60 Hz
WIRING DIAGRAM
710971A
(Replaces 7109710
0909
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
¢710971+¤
BLUE W/WHITE STRIPE
WHITE
ORANGE
WHITE
BLACK
BLACK W/WHITE STRIPE
VIOLET
WHITE
IGNITION
MODULE
BURNER
MOTOR
VALVE
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.
3. On models M1(B,S)A and M1(B,S)086 jumper wire is installed.
On all other models, cooling speed is connected to black wire.
4. A/C Heating Speeds: Refer to Table 11, A/C Blower Selection
5. If any of the original wire supplied with the appliance is replaced,
use
105˚C wire or equivalent.
6. Use copper conductors only.
YELLOW
YELLOW
7505B
OR
/