PRO TH4210D Programmable Thermostat
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To begin, press and holdthe and
buttons until the display changes
Function
number
Press to change settings
Press to advance to next function
Press and hold to exit and save settings
Setting
Installer setupFollow the procedure below to configure the thermostat to match the installed
heating/cooling system,and customize feature operation as desired.
Setup
Installer system testAfter completing the installer setup above,press the button again to begin a
system test (see next page).
Press and hold both buttons
Setup Function Settings & Options
5 For gas or oil furnaces of less than 90% efficiency
1 For steam or gravity systems
3 For hot water systems & furnaces of over 90% efficiency
9 For electric furnaces
[Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]
9 For electric emergency heat
1 For steam or gravity systems
3 For hot water systems & furnaces of over 90% efficiency
5 For gas or oil furnaces of less than 90% efficiency
[Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]
3 Recommended for most compressors
[Other cycle rate options: 1, 2, 4, 5 or 6 CPH]
1 On **See page 9
0Off
0 Fahrenheit
1 Celsius
5 Five-minute compressor off time **See page 9
[Other options: 0, 1, 2, 3 or 4-minute off time]
Auxiliary heat
cycle rate
(CPH: cycles/hour)
Emergency heat
cycle rate (CPH)
Compressor
cycle rate (CPH)
Adaptive Intelligent
Recovery
Temperature
display
Compressor
protection
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