System Connections; Identity Code - Crestron CHV-THSTAT Operation And Installation Manual

Thermostats
Backplate - view from the front with the cover removed
8 • Thermostats: CHV-TSTAT and CHV-THSTAT

System Connections

NOTE: Installers should have a strong working knowledge of HVAC systems.
HUM - Energized (connected) to RHU during humidity call
RHU - Reference for humidifier
RSR - Remote Sensor Returns - Common sensor terminal
RS1 - Remote Sensor terminal - Connect the sensor from RS1 to RSR
RS2 - Remote Sensor terminal - Connect the sensor from RS2 to RSR
24(C) - 24 VAC common terminal supplies remote 24 VAC power
to thermostat
24(R) - 24 VAC reference terminal. Can be connected to RH or RC
by P4 jumper setting (refer to following page), or tied directly
to power source
TOP
NETWORK
Backplate
W2 - Heat (stage two), energized (connected) to RH during a call for
second stage heat in heat/cool systems
W/W1 - Heat (single stage)/heat (stage one) energized
to RH during a call for heat in heat/cool systems or aux heat
in heat pump systems or Slab Heat in Slab Systems.
B - Energized to RC during non-cooling modes
O - Changeover control, energized to RC during cooling modes
Y2 - Compressor (stage two), energized to RC on two-stage
systems on call for second stage
Y/Y1 - Compressor (stage one), energized to RC when
compressor (or first stage) is run
G - Fan, energized to RC during call for fan
RC - Reference Cool, used for calls to cooling system
RH - Reference Heat, used for calls to heating system

Identity Code

Every equipment and user interface within the network requires a unique identity
code (Net ID). These codes are two-digit hexadecimal numbers from 03 to FE. The
Net ID of each unit must match an ID code specified in the SIMPL Windows
program. Refer to "Setting the Net ID in Device Settings" on page 61 for details of
Crestron CHV-TSTAT and CHV-THSTAT
Network Connection
for Crestron
Installer Only
Operations and Installation Guide – DOC. 8163C