User's Manual

Wiring Diagrams
11
Wiring Key
Regular Wiring
G - Fan output
Y - Cool output
H1 / H2 - Humidifier control
Rc - Common for Cooling and Fan
Rh - Common for Heating
W - Heat output
4 Wire Heating
Rc / Rh - Common (Rc and Rh
must be connected with jumper)
5 Wire Heating
2 separate transformers (Heat / Cool)
Rc / Rh - Common (wire separately,
jumper must not be installed)
4-WIRE HEATING/COOLING
5-WIRE HEATING/COOLING
G
Y
H2
H1
Rc
Rh
W
G
Y
H2
H1
Rc
Rh
W