
OMEGA | WATER SOURCE HEAT PUMPS
OMEGA-VSHPe.F-IOM-1912
27
www.omega-heatpump.com
Note:
Factory supplied 6-wire 24 inch thermostat cable coiled up in low-voltage compartment of electrical box for field wiring to
thermostat. Single speed thermostat thermostats require minimum 5-wire low voltage control wire harness.
Power
Cable
Entrance
Low Voltage
Control Wire
Entrance
G1 G2
R
G3
Y O/B C
Notch For
Optional Front
Low Voltage
Control Wire
Entrance
ECM w/ Whisper Mode
Factory 6-Wire Thermostat
Harness Whip
Figure 12
Thermostat Wiring Detail
Heat Pump Thermostat Connection Detail:
R = 24VAC
G1 = Fan Speed 1
G2 = Fan Speed 2
G3 = Fan Speed 3
Y = Compressor On
O/B = Reversing Valve
C = Common
On Heat/Cool Thermostats:
Y = Cooling
O/B = Heating
Factory supplied 6
-
wire thermostat cable
shown. Field supplied
7
-
wire required for 3
-
speed fan thermo-
stats