TH4000 Series
Programmable Thermostat
Quick Reference Card
Grasp and pull to see basic operating instructions at a glance.
This manual covers the following models:
TH4110D: For 1 Heat/1 Cool systems
TH4210D: For 2 Heat/1 Cool heat pump systems only (Pull thermostat from wallplate and turn over to find the model
number.)
CAUTION: EQUIPMENT DAMAGE HAZARD.
To prevent possible compressor damage, do not operate the cooling system when the outdoor temperature is below 10°C
(50°F).
Read and save these instructions.
Patents pending.
Copyright © 2013 Honeywell International Inc. All rights reserved.
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