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Wiring Diagram; Warning - Whirlpool WGFM29 Installation Instructions Manual

93% and 95% 2-stage variable-speed gas furnace
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Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage, personal injury or death.
Low Voltage (24V)
Low Voltage Field
High Voltage (115V)
Hi Voltage Field
Internal To Integrated Control
Plug Connection
Equipment GND
Switch (Temperature)
Switch (Pressure)
Overcurrent Protection Device
Check codes for proper wiring and circuit protection before installation.
NOTES:
1. Set heat anticipator on room thermostat at 0.7 amps.
2. Manufacturer's specified replacement parts must be used
when servicing.
3. If any of the original wire as supplied with the furnace must be
replaced, it must be replaced with wiring material having a

WIRING DIAGRAM

Hot
Low-Fire
Surface
Pressure
Igniter
Switch
2-Circuit
2
1
Connector
2
HI
2-Stage Gas
3
C
Control Valve
(Honeywell)
PM
1
Manual Reset Rollout Limit Controls
(Single Control on 45k Btu)
Color Codes
BU
PK:
Pink
W:
Brown
Auto Reset Primary
Limit Control
BU:
Blue
GY:
Gray
R:
Red
3
W
Y:
Yellow
2
R
OR:
Orange
1
BK
PR:
Purple
Burner Compartment
G:
Green
BK:
Black
Blower Compartment
Manual Reset
Auxiliary
Limit Control
24V Thermostat Connections
Junction
Terminal
Diagnostic
LEDs
2ND STG DLY
T -STAT
HEAT OFF
DELAY
Field GND
UNUSED
DEHUM
Field Splice
HEAT
1
DELAY
2
Igniter
3
ADJUST
4
COOL
1
2
3
W
4
NEUTRAL
W
5
R
BU
ECMMTR
HARNESS
GY
BK
5
4
3
2
1
Circulator
Blower

WARNING

Goodman 6 Long
HIGH VOLTAGE!
Induced Draft Blower 2-Stage Pressure
Switch Assembly
24V Humidifier
High-Fire
OR
Pressure
C
C
Switch
NO
NO
OR
PR
Flame
BR
Sensor
C
GY
GY
NO
Front Cover
Pressure
Switch
PK
OR
PR
Induced
Draft
Blower
GND
PR
Y
Fuse
24V
3A
BR
See
Notes
3
2
1
OR
6
5
4
OR
OR
9
8
7
12
11
10
PK
GY
15
13
14
BR
PR
Y
OR
GY
24 VAC
115 VAC
BU
LINE
40VA
BK
Transformer
FS
W
W
BK
BK
BK
W
G
GND
PK
Blower
Compartment
Door Switch
(Open When
Inductor Coil
Door Open)
70k Btu, 90k Btu and
115k Btu Models Only
temperature rating of at least 105ºC. Use copper conductors
only.
4. Furnace must be permanently grounded and conform to NEC
and local codes.
5. To recall the last 6 faults, most recent to least recent, depress
switch for more than 2 seconds in standby (no thermostat
inputs).
To 115VAC / 10 / 60Hz
GND
Power Supply with Overcurrent
Protection Device
L
WARNING: Disconnect
BK
Power Before Servicing.
N
WiringTo Unit Must Be
W
Properly Polarized and
Disconnect
Grounded.
To 115VAC / 10 / 60Hz Power Supply with Overcurrent
Protection Device
L
N
GND
WARNING: Disconnect
Power Before Servicing.
Wiring To Unit Must Be
Properly Polarized and
Grounded.
Disconnect
Door
Switch
Junction Box
Inductor Coil
70k Btu, 90k Btu and
115k Btu Models Only
Indoor
Air
Circulator
Blower
GND
LINE
Neutral
EAC
Neutral
Electronic
Air Cleaner
INDHI
Induced
Neutral
Draft
Blower
INDLO
HUM
Neutral
Humidifier
IGN
Neutral
Hot Surface Igniter
FS
Flame Sensor
Neutral
LINE
115VAC
40VA Transformer
Fuse 3A
TH(4)
R
24VAC
Auto Reset Primary
Manual Reset Auxiliary
Limit Control
Limit Control
To +VDC
HLO(10)
Y1
PSO(7)
Low-Fire
Pressure
24V Humidifier
Switch
W1
PS1(2)
C
NO
W2
NO
PS2(12)
To
High-Fire
C
Manual Reset Rollout
Y2
Micro
Pressure
Limit Controls (Single
Switch
G
Control on 45k Btu)
HLI(1)
O
DEHUM
MVL(13)
NO
Front Cover
C
MVH(14)
Pressure Switch
C
MVC(8)
GND(5)
BK
GND
TR(11)
To
GND(4)
R
+VDC(1)
Indoor
RX(2)
Air
To
Circulator
TX(3)
Micro
Blower
Integrated Control Module
Humidifier
PM
HI
C
Gas
Control
Valve
51

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