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126454-01B
22
Blower Wiring Diagram
CAUTION: Label all wires
prior to disconnection when
servicing controls. Wiring errors
can cause improper and dan
-
gerous operation. Verify proper
operation after servicing.
Figure 37 - Blower Wiring Diagram for
Thermostat-Controlled Models
Blue
Variable
Fan Switch
Fan Switch
(N.O.)
Green
White
On
110/115
V.A.C.
Blower
Motor
Black
Off
1
2
Black
Thermocouple
Incoming
Main
Gas
Supply
Piezo Ignitor
Control
Valve
Pilot
TH
TP
TPTH
Thermopile
Piezo Ignitor
Do Not
Connect
To 120V
(Wall Switch)
Safety Microswitch
Pilot
Gas Line
Figure 38 - Millivolt Ignition Wiring Diagram
INSTALLATION
Continued
f i r e - p a r t s . c o m