Westinghouse MGC2S(A,K) Product information

MGC2S(A,K)
Westinghouse
Brand
Westinghouse
Model
MGC2S(A,K)
Type
Product information

This manual is also suitable for

710915C
04/11
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
WIRING DIAGRAM
For 80+ and 90+
Single Stage Furnaces
Refer to the Installation Instructions
provided with the furnace for the
proper heating and cooling speeds
for your application.
If any of the original wire as supplied with
the furnace must be replaced, it must be
replaced with wiring material having a
temperature of at least 105 C.
Use copper conductors only.
Diagnostic Description
Green LED Red LED
Control Fault (No Power) Off Off
L1 / Neutral Polarity Fault Flash Flash
1 Hour Lockout
Normal Operation On On
Pressure Switch Closed Fault On Flash
Pressure Switch Open Fault Flash On
Open Limit Switch Fault Flash Off
Diagnostic Description
Low Flame Sensor Signal
Flame Present
FAULT CONDITIONS
Yellow LED
Continuous Flash
On
Alternating Flash
(Replaces 710915B)
IGNITOR
INDUCER
FLAME SENSOR
C
BLOWER
LIMIT
DOOR
SWITCH
R
4 SPEED MOTOR
WHITE
RED
BLUE
ORANGE
BLACK
GAS
VALVE
H
MH
ML
L
C
FLAME
ROLLOUT
SUPPLY
AIR LIMIT
VENT LIMIT SWITCH
(ON SELECT MODELS)
RCYGW
LOW
ML
MH
HIGH
EAC
L1
XFMR
HUM
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
COM
GREEN
YELLOW
RED
3 AMP FUSE
24V
1234
24 V
120 V
WHITE
BLACK
WHITE W/ BLK STRIPES
BLK W/ WHITE STRIPES
1234
1234
R
C
TX
RX
W
COM
11
22
33
44
55
66
77
88
99
L1A
NEUTRALS
1
2
1
2
1
2
1
2
GREEN
BLACK
WHITE
ORANGE
BLUE
YELLOW
RED
ORANGE
BLACK
WHITE
BLUE
ORANGE
BLACK
RED
BLACK
BLACK
BLACK
BLUE
BLUE
BLUE
BLUE
BLUE
GREEN
BLUE
BLACK
BLOWER
DECK LIMIT
(ON SELECT
MODELS)
BLOWER
LIMIT
PRESSURE
SWITCH
(ON SELECT
MODELS)
PRESSURE
SWITCH
BLUE
BLUE
SINGLE STAGE
THERMOSTAT
TO OUTDOOR UNIT
WHITE (NEUTRAL)
BLACK 120V
GROUND
ORANGE
BLACK
WHITE
BLACK
WHITE
YELLOW
  • Page 1 1

Westinghouse MGC2S(A,K) Product information

MGC2S(A,K)
Westinghouse
Brand
Westinghouse
Model
MGC2S(A,K)
Type
Product information
This manual is also suitable for
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