Wiring Diagrams; Heating/Cooling - ICM Controls SC 3001 Installation, Operation & Application Manual

4 or 5-Wire, Single Transformer
Pre-Installed Jumper
Transformer
HOT
120 VAC 24 VAC


Wiring Diagrams

Heating/Cooling

C
T
RH
H
E
RC
R
Heating
W
M
Control
O
Cooling
Y
Control
S
T
B
A
O
T
Fan
G
Control
5-Wire, Two Transformer*
Installed Jumper
(Heating)
Transformer
HOT
120 VAC 24 VAC
(Cooling)
Transformer
HOT
120 VAC 24 VAC
* Both transformers must be in phase.
Remove Pre-
C
RH
RC
Heating
W
Control
Cooling
Y
Control
B
O
Fan
G
Control
T
H
E
R
M
O
S
T
A
T