
26
Installer Guide
To enter Technician Setup, press and hold the SETUP button for 10 seconds until all
the icons appear. Follow the next steps to view settings and test equipment.
1. Press MODE to view the version numbers of the thermostat.
2. Press MODE again to view the jumper settings and current state of the
Dry Contact terminal.
3. Press MODE again and the scrolling display will read “TURN ON EQUIPMENT?”
Press WARMER for Yes or COOLER for No.
If Yes is chosen, press WARMER to turn on heat or COOLER to turn on Cooling.
The scrolling display will read “NOTHING ON.” Next:
Press WARMER to turn on and cycle up through the heating stages.
Press COOLER to turn the heating stages off. Press MODE to exit.
Press COOLER to turn on and cycle down through the cooling stages.
Press WARMER to turn the cooling stages off. Press MODE to exit.
4. Press MODE until “CALIBRATE SENSORS?” appears on the scrolling display.
Press WARMER for Yes or COOLER for No. Press MODE to select which sensor
to calibrate. Use WARMER or COOLER to modify your selection.
5. Press MODE until “CONTROL HUM?” appears on the scrolling display.
Press WARMER for On or COOLER for Off. Press MODE to continue.
6. Press MODE until “CONTROL DEHUM?” appears on the scrolling display.
Press WARMER for On or COOLER for Off. Press MODE to continue.
7. Press MODE until “CONTROL AUX OUT?” appears on the scrolling display.
Press WARMER for On or COOLER for Off. Press MODE to exit.
To exit Technician Setup at any time, press the SETUP button. Technician Setup will
automatically exit after 10 minutes if no buttons are pressed.
PSP4273_Installer man.indd 26
PSP4273_Installer man.indd 26
6/9/21 11:23 AM
6/9/21 11:23 AM