Filter
Top Products
Crestron CHV-TSTAT and CHV-THSTAT Thermostats
Generalized Two Stage Heat Pump Schematic
TOP
HUM
RHU
RSR
RSR
RS1
RS2
24(C)
24(R)
24V
Y
Z
G
NETWORK
RH
RC
G
Y/Y1
Y2
O
B
W/W1
W2
Fan Relay
1
st
Stage Compressor
2
nd
StageCompressor
Changeover Valve
Backplate
Heat Pump
Transformer
120 VAC 24 VAC
C
R
Aux Heat Relay
Aux Heat
Transformer
120 VAC
24 VAC
C
R
Operations and Installation Guide – DOC. 8163A Thermostats: CHV-TSTAT and CHV-THSTAT • 13