White Rodgers 1F91W-71 Operating Guide
2
Please read this manual thoroughly before operating or programming your thermostat. If you have
questions, you may write to our Technical Service Department at the address shown on the back
cover of this booklet.
questions, you may write to our Technical Service Department at the address shown on the back
cover of this booklet.
About Your New Thermostat . . .
Your new Digital COMFORT SET II Multi-stage Thermostat uses the technology of a solid-state
microcomputer to provide precise time/temperature control. The COMFORT SET II Thermostat
offers you the flexibility to design heating and cooling programs that fit your needs.
microcomputer to provide precise time/temperature control. The COMFORT SET II Thermostat
offers you the flexibility to design heating and cooling programs that fit your needs.