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M1

Broan M1 Product information

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See Table
BLOWER
MOTOR
SINGLE
SPEED
ON/OFF
SWITCH
C
R
G
W
GAS VALVE
HI-LIMIT
AUX. LIMIT
TRANS-
FORMER
PRESSURE
SWITC
H
654321
654321
COMBUSTION FAN
L N
CR
24 V
115 V
21
1
4
5
2
6
3
1
2
3
4
5
6
7
8
9
IGNITOR
L1
NEUTRAL
GROUND SCREW
FURNACE ELECTRICAL BOX
24V
TIE
WIRE
See Table
CONNECTOR
HOUSING CAP
GROUND
SCREW
CONTROL LIGHT STATUS
WOLLEYDER
langiS emalF dooGNO ydaetSKO lortnoCNO ydaetS
langiS emalF kaeWgniknilB
rewop oN
FFO ydaetS
Rapid Flash False ame or internal control fault Steady OFF No Flame Signal
1 Flash Limit switch is open
2 Flashes Pressure switch is open with inducer on
3 Flashes Pressure switch is closed with inducer o
4 Flashes Lockout due to failed ignition
5 Flashes 115 vac & neutral reversed or no ground
CONTROL
LIGHTS
Jumper must be removed if
converting to a multispeed blower.
Jumper is required for M1MA
models, M1MC 77/90, and
M1MB 090
A/C & Heating Speeds: Refer to
Table 12, A/C Blower Selection
in the manual
RED (LO)
BLACK (HIGH)
BLUE (MED. HI)
ORANGE (MED. LO)
WHITE
RED (LO)
BLACK (HIGH)
BLUE (MED. HI)
WHITE
654321
LEGENDS
115V: FIELD 115V:
24V: FIELD 24V:
BLOWER
MOTOR
4 SPEED
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
C W G R
COM
MOTOR
BLOWER
3 SPEED
MOTOR
See Table
See Table
Gas Direct Ignition Furnace,
Heating & A/C Ready,
M1M All Models.
710152E
(Replaces 710152D)
Blower Wire Table
Blower Wire Connections
Furnace
Wire #1
Wire #2 Wire #3 Wire #4
Model
Red
Black Blue Orange
M1MB
TieControlTieControl
056
Wrapped Board "C" Wrapped Board "H"
M1MB
Tie Tie Control Control
070/077
Wrapped Wrapped Board "H" Board "C"
M1MB
Tie Control Tie Tie
90
Wrapped Board "H" Wrapped Wrapped
M1MC
Control Tie Tie Control
056/070
Board "H" Wrapped Wrapped Board "C"
M1MC
Tie Tie Tie Control
077/090
Wrapped Wrapped Wrapped Board "H"
01/16
WIRING DIAGRAM
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
NEU
XFRM
L1
H
C
BLACK
BLACK
BLACK
WHITE
WHITE
WHITE
ORANGE
ORANGE
BLACK
BLACK
BLACK
RED
GREEN
WHITE
YELLOW
YELLOW
BLACK
BLACK
GREEN
BLUE
BLUE
BLUE
GRAY
BLACK
RED
/