9
Wiring diagram
On/off switch
120 VAC
L1 hot (black)
L2 neutral (white)
Black
White
Blower
motor
Variable speed control
White
Black
White
White
Black
Blower
motor
White
Black
Blower
motor
White
Black
Blower
motor
White
Black
Wire termination
Factory wire, not connected
Wire connection
Factory wired 16AWG
Factory wired 18AWG
Field wired
Notes:
Thermostat shipped loose if wall mounted
Control valve and changeover switch are
shipped loose
Complete the wiring in accordance with national
and local codes
If remote temperature sensor is used, wire to
thermostat tb1, terminals 1 and 2.
Wiring diagram
Size
# of Blowers
FV-04
2
FV-06
3
FV-08
4