Replacing Wiring Labels - AccuAir AS7812 Installation, Operation & Application Manual

Replace the old labels with the enclosed new labels:
Old
F, G
O
B
Y, Y6
H, W, 4
M, 4, RH, RS, R
C


Replacing Wiring Labels

New
G Fan control relay
O Cool active reversing valve
B Heat active reversing valve
Y Cooling control
W Heating control
C Transformer, common side
R Transformer, hot side
If the C terminal is the cooling control, connect to Y terminal; if
Y or C
it is the common side of the transformer, connect to C terminal
Type