Thermostat Network Commands
Serial commands received by the Control Unit can set a new setpoint or a new mode and when received
they are sent to the WDU to update it’s display.
TR16 thermostats also responds to request for status by serial commands and can provide all thermostat
data and setup information as well as the current revisions of the WDU and Controller firmware.
The following thermostat information can be sent to or requested from the thermostat by the serial
protocol.
• Temperature
• Heating setpoint
• Cooling setpoint
• System Mode
• Fan Mode
• F/C mode
• HVAC output status
• Network Address
• Any system variable
• System firmware revisions
DCN: 141-00930-09 7/13/06
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