Crestron electronic CHV-TSTAT - Manual (Page 10)

Thermostats Crestron CHV-TSTAT and CHV-THSTAT
CONTROL CONNECTIONS (System Dependent)
PIN DESCRIPTION
HUM Energized to RHU during humidity call
RHU Reference for humidifier
RH Reference Heat, used for calls to heating system
RC Reference Cool, used for calls to cooling system
G Fan, energized to RC during call for fan
Y/Y1 Compressor (stage one), energized to RC when
compressor (or first stage) is run
Y2 Compressor (stage two), energized to RC on two-stage
systems on call for second stage
O Changeover control, energized to RC during cooling modes
B Energized to RC during non-cooling modes
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
W2 Heat (stage two), energized to RH during a call for second
stage heat in heat/cool systems
Buttons
There are four buttons used to setup and adjust the thermostat.
MODE – Access to the user controls (System Mode, Fan Mode,
Humidifier, Crestron System, and Global Update)
MODE
VIEW VIEW – Access to Humidity reading, Outdoor Temperature reading, and
System Messages.
NOTE: When MODE and VIEW are pressed together and held for five seconds, the
thermostat enters the system setup mode (refer to “Thermostat Setup” on page 17).
T
T
UP ▲ – Selects user modes and increments selection in setup modes
DOWN ▼ – Selects user modes and decrements selection in setup modes
Industry Compliance
As of the date of manufacture, this unit has been tested and found to comply with
s pecifications for CE marking and standards per EMC and Radio Communications
Compliance Labeling (N11785).
NOTE: This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
6 • Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163B