System Connections - Crestron CHV-TSTAT Operation And Installation Manual

Crestron CHV-TSTAT and CHV-THSTAT
Separately Powered (by an independent transformer)
TOP
24(R)
24 VAC
24(C)
Operations and Installation Guide - DOC. 8163
NETWORK
Backplate
120 VAC

System Connections

The following diagrams are examples of connections for heat, heat/cool and one-stage
and two-stage heat pump systems. Thermostat power connections are not shown in the
following diagrams.
NOTE: For the power supply, provide disconnect means and overload protection as
required.
NOTE: Use either connector O or B for changeover control.
Two-wire Heat Only
R H
Jumper on P4 between pins 2 and 3
P 3
P 1
Thermostat circuit board
Backplate
TOP
NETWORK
W
Heating relay
or valve coil
24 VAC
Thermostats: CHV-TSTAT and CHV-THSTAT • 9
Thermostats
CRESTRON ELECTRONICS
P 6
P 4
1
2
3
4
2
3
P 5
C
120 VAC
R
P4