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draft damper
thermostat
Figure 39:Wiring for the thermostat
internal blower
thermal switch
thermal switch
bypass (optional) blower speed
control
black
white
110V
bare
Figure 40:Wiring for the circulating blower
terminal block
DELTA
draft damper
motor
terminal
block
24 V
bare
110V
black
white
black
white
thermal
switch
terminal
block
variable
speed switch
110V
blower control
thermostat
white
black
black
w
h
ite
white
bare
b
la
c
k
y
e
llo
w
2
1
Figure 41: Wiring for the central system
110V
draft damper
motor
draft damper
thermostat
internal bower
speed control
blower control
thermostat
variable
speed switch
external central
heat blower
110V
black
black
b
la
c
k
w
h
ite
y
e
llo
w
1
2
internal blower
thermal switch
bare
white
white
18 ga
LVT
transformer
Figure 42: Wiring for all systems combined
For a warming thermostat, 1
should be the red wire and 2
should be the black wire.
For a heating thermostat, 1
should be the black wire and 2
should be the red wire.
For a warming thermostat, 1
should be the red wire and 2
should be the black wire.
For a heating thermostat, 1
should be the black wire and 2
should be the red wire.
