Installation guide

Crestron CHV-TSTATEX infiNET EX Thermostat

Operations & Installation Guide – DOC. 6989C infiNET EX Thermostat: CHV-TSTATEX

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Connections for the CHV-TSTATEX

NOTE: 24 volt power is returned through the RH connector. Refer to wiring

diagrams on the following pages.

NOTE: Most heat pump systems use O for changeover. B is provided for the

systems that do not.

NOTE: Refer to “DIP Switch Setup” which starts on page 11

for DIP switch

settings.

RS2

RS1

RSR

Y/Y 1

24C

RS2: Remote Sensor (2) (Outdoor)

24C: 24 VAC Common

RC: Return Cool

Y/Y1: 1st Stage Compressor

Y2: 2nd Stage Compressor

G: Fan

O: Auto Change Over

B: Auto Change Over (Inverted)

RS1: Remote Sensor (1) (Indoor)

RSR: Remote Sensor Return

W2: 2nd Stage Heat

W/W1: 1st Stage Heat

RH: Return Heat