Installer Guide
25
To enter Technician Setup, press and hold the SETUP button for 10 seconds.
After all the icons appear, press MODE. The version number of the thermostat will
appear in the scrolling text. Press MODE to advance to the next step.
Use the WARMER or COOLER buttons to adjust the value of your selection.
To leave Technician Setup, press SETUP.
Technician Setup is for diagnostic and testing purposes and is intended for use by
a qualified technician. See next page for more detailed instructions.
Technician Setup contains the following options:
• View the version number of the thermostat.
• View the jumper setting of J1 (Gas/Electric or Heat Pump), J2 (Reversing Valve:
RV=O or RV=B), and J3 (Fan: Gas or Electric) jumpers located on the back of the
thermostat. (Remove thermostat from backplate for access)
• View the state of the Dry Contact and Fault terminals.
• Turn on equipment outputs for testing.
• Calibrate thermostat, remote, and humidity sensors.
• Control HUM output (On or Off)
• Control DEHUM output (On or Off)
• Control AUX output (On or Off)
3
RD
4
TH
OVERRIDE
5 Technician Setup & Calibration
WARMER
COOLER
MODE
Set
Clock
Hold for 10 seconds
All icons appear
Press MODE to advace
through the setup steps
Press WARMER or COOLER
to adjust the selection
WARMER
COOLER
MODE
Set
Clock
SETUP
PSP4273_Installer man.indd 25
PSP4273_Installer man.indd 25
6/9/21 11:23 AM
6/9/21 11:23 AM
