This thermostat requires 24 Volt AC Power or two (2) properly installed
“AA” Alkaline batteries for proper operation. When connecting 24 Volt
AC Power the batteries may be installed as a backup.
For use only as described in this manual. Any other use
will void warranty.
2020
Single Stage Heat / Cool
Conventional and Heat Pump
1
Specifications
2
About Your Thermostat
3
Installation
4
System Testing
5
Setting User Options
6
Setting Your Program Schedule
7
Operating Your Thermostat
8
Additional Operation Features
9
Thermostat Maintenance
®
Warning
Turn off power to the heating or cooling
equipment before installation.
Attention
For installation by experienced service
technicians only.
2220
Up to 2 Heat / 2 Cool Conventional
Up to 2 Heat / 1 Cool Heat Pump
Read all instructions before proceeding.
This thermostat is compatible with:
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Electrical and control specifications:
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Terminations
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1
Specifications
2020W-100-06
Model number is located on back of thermostat
Programmable
Thermostats
Detailed
User Guide