
Installation Guide
69-1929EFS—01 6
ENGLISH
Followtheprocedurebelowtoconfigurethethermostattomatchthe
installedheating/coolingsystem,andcustomizefeatureoperationasdesired.
Setup function Settings & options (factory default in bold)
1System type
TH3110D only 0Gas, oil or electric heat with air conditioning
1Heatpump(5minutecompressorofftimeinheatingand
cooling)
5Heating cycle rate
(CPH:cycles/hour)
TH3110D only
5For gas or oil furnaces of less than 90% efficiency
1For steam or gravity systems
3For hot water systems & furnacesofover90%efficiency
9Forelectricfurnaces
[Othercyclerateoptions:2,4,6,7,8,10,11or12CPH]
6Auxiliary heat
cycle rate (CPH)
TH3210D only
5For gas or oil furnaces of less than 90% efficiency
1For steam or gravity systems
3For hot water systems & furnacesofover90%efficiency
9Forelectricfurnaces
[Othercyclerateoptions:2,4,6,7,8,10,11or12CPH]
8Emergency heat
cycle rate (CPH)
TH3210D only
9For electric emergency heat
1For steam or gravity systems
3For hot water systems & furnacesofover90%efficiency
5Forgasoroilfurnacesoflessthan90%efficiency
[Othercyclerateoptions:2,4,6,7,8,10,11or12CPH]
9Compressor
cycle rate (CPH) 3Recommended for most compressors
[Othercyclerateoptions:1,2,4,5,or6CPH]
14 Temperature
display 0Fahrenheit
1Celsius
15 Compressor
protection 5Five-minute compressor off time **See page 8
[Other options: 0, 1, 2, 3 or 4]
Function
number Setting
To begin, press and hold the s and t
buttonsuntilthedisplaychanges. Press tto change settings.
Press stoadvancetonextfunction.
Press and hold tstoexitandsavesettings.
Installer setup