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
temperature rating of at least 105ºC. Use copper conductors
only.
Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage, personal injury or death.
Equipment GND
Field GND
Field Splice
Switch (Temp.)
Igniter
Pressure Switch
Overcurrent
Prot. Device
Low Voltage (24V)
Low Voltage Field
High Voltage (115V)
High Voltage Field
Junction
Terminal
Internal To
Integrated Control
Plug Connection
Color
Symbol
Gray
GY
White
W
Black
BK
Red
R
Blue
BU
Orange
OR
Yellow
Y
Green
G
Pink
PK
Azure
A
Violet
V
Brown
BR
Steady On =
Normal Operation
Off =
Control Failure
1 Flash =
System Lockout (Retries Exceeded)
2 Flashes =
Pressure Switch Stuck Closed
3 Flashes =
Pressure Switch Stuck Open
4 Flashes =
Open High Limit Switch
5 Flashes =
Flame Sense without Gas Control Valve
6 Flashes =
Open Rollout Limit Switch or Open Fuse
7 Flashes =
Low Flame Signal
8 Flashes =
Check Igniter or Improper Grounding
Continuous/
Rapid Flashes =
Reversed 115 VAC Polarity
Wiring is subject to change.
Always refer to the wiring
diagram on the unit for the
most up-to-date wiring.
Check codes for proper wiring and circuit protection before installation.
WIRING DIAGRAM—WGFM195
WARNING
HIGH VOLTAGE!
Y
ON OFF
2nd
Stage
*
Delay
Mode
*
Heat
Off
*
Delay
FS
Auto Reset
Primary Limit
Control
Manual Reset Rollout Limit (Control(s)
Induced Draft
(Single Control On 45k Btu)
Blower Pressure
Humidifier
Switch
12-Circuit
1
Connector
Hot
2
Surface
Igniter
3
Gas Control Valve
4. If heating and cooling blower speeds are not the same,
discard jumper before connecting blower leads. Unused
blower leads must be placed on "PARK" terminals of
integrated control or taped.
5. Furnace must be permanently grounded and conform to NEC
and local codes.
6. To recall the last 5 faults, most recent to least recent, depress
switch for more than 2 seconds in standby (no thermostat
inputs).
Front Cover
Pressure Switch
CO OL -H
45