Proliphix Thermostat - Heat Pump HVAC Wiring

Beta Draft Confidential
6 Proliphix Thermostat Installation Guide, Release 1.0
Part No. 600-01000-100
Installing and Wiring the Thermostat
Heat Pump HVAC
Use the instructions in this section to wire the base plate terminals for heat pump
HVAC on all models of Proliphix thermostats.
To wire the base plate terminals for heat pump HVAC on the Proliphix thermostat,
refer to the labels you placed on the wires when you removed the existing thermostat
(page 2). Refer to the procedure in Fuel Burner HVAC and use Table 2 and Figure 2
to complete the wiring.
Table 2 lists the standard HVAC terminal label and the corresponding Proliphix label
required to support the heat pump application.
Note
You must know the type of Reverse Valve (RVS) in your heat pump. See the user
manual for your heat pump for more information.
Table 2 Heat Pump Terminal Conversion Chart
Standard
Terminal
Proliphix
Terminal
NT10e/NT20e NT100e/h, NT120e/h, NT125e/h and
NT150e/h
R, RH RH 24VAC source 24VAC source
RC RC 24VAC source 24VAC source
CCNot used
Not used or 24VAC common
a
a
For “h” thermostat models only, the 24VAC common must be in the same AC phase as the
24VAC source (RH or RC). If the thermostat is connected to RH only, or RH and RC then C must
be the RH common. If the thermostat is connected to RC only then C must be the RC common.
W, W1 W1 Auxiliary heat relay Auxiliary heat relay
Y, Y1 Y1 Compressor relay Compressor relay
B W2 RVS activate for heat relay RVS activate for heat relay
O Y2 RVS activate for cool relay RVS activate for cool relay
G G Fan relay Fan relay
- S1+ or
CM
Not used Contact closure common (NT150 only)
- H Not used Contact closure, Active open or Active
closed (NT150 only)