AccuAir AS7812 - Page 11

9
T
H
E
R
M
O
S
T
A
T
R
C
Y
G
W
B
O
T
H
E
R
M
O
S
T
A
T
R
C
Y
G
W
B
O
T
H
E
R
M
O
S
T
A
T
R
C
Y
G
W
B
O
24 VAC120 VAC
HOT
Transformer
24 VAC120 VAC
HOT
Transformer
24 VAC120 VAC
HOT
Transformer
Fan
Relay
Fan
Relay
Fan
Control
Cooling
Control
Compressor
Contactor
Reversing
Valve
Compressor
Contactor
Reversing
Valve
Heat Active
Reversing Valve
Cool Active
Reversing Valve
4-Wire
Single Transformer
Heat Pump Cooling Only
Note: Place jumper between “W” and “Y” terminals.
Place heat pump jumper to HP position.
Note: Millivolt system may require a
transformer and/or an isolation
relay to operate properly