Figure 25 Thermostat Wiring Detail - Omega VSHP Series Installation And Operation Manual

OMEGA | WATER SOURCE HEAT PUMPS
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.
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
35
Power Cable
Entrance
Notch For
Optional Front
Low Voltage
Control Wire
Entrance
R G1 G2
R
Figure 25 Thermostat Wiring Detail
On Heat/Cool Thermostats:
Y = Cooling
O/B = Heating
G3 Y O/B C
Standard Fan Mode
w/ Factory 6-wire
Control Harness
G1 G2 G3 Y O/B C
Optional ECM Fan
w/ Whisper Mode
Jumper R1 & G1
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OMEGA-VSHP.F-IOM-1907
Low Voltage
Control Wire
Entrance
Factory supplied 6-
wire thermostat cable
shown. Field supplied
7-wire required for 3-
speed fan thermo-
stats