User's Manual

CentraLite EMS
Operations, Maintenance & Service Manual
Page 21 of 31
Operation of the Thermostat
Buttons:
AUTO/OFF Toggles thermostat mode between AUTO mode and OFF:
AUTO Thermostat controls the HVAC Unit automatically switching
between Heating and Cooling.
OFF Thermostat does not control the HVAC Unit.
FAN MODE(OPTIONAL)
ON The fan runs constantly.
AUTO The thermostat will run the fan only when heating or cooling.
C/F Toggle between Fahrenheit and Celsius Temperature Display
Manually Change Thermostat SETPOINT Temperature
+ (UP) Press this button to raise the SETPOINT temperature.
– (Down) Press this button to lower the SETPOINT temperature.
Notes:
1. The thermostat normally displays the current room (ambient) temperature.
2. Pressing the + (Up) or – (Down) buttons once will cause the SETPOINT temperature to be displayed
along with the current ambient temperature. The backlight will also turn on. Pressing the Up or
DOWN button again will change the SETPOINT temperature. While the SETPOINT temperature is
displayed, pressing the Up or Down buttons will raise or lower the SETPOINT temperature.