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SYSTEm TEST mODE
The system test mode is used to test a system after installation. The outputs of the thermostat can be manually
activated one at a time to test their function. The following instructions show how to enter the test mode and turn
outputs on and off . The charts on the following pages show all of the options for each model .
The test steps are:
SETUp & TESTINg
Test
Number
Heat/Cool models
8444, 8463, 8448HC, 8466HC
Heat pump models
8446, 8465, 8448Hp, 8466Hp
50
Heating (W) (W2)
Aux Heating (W) (W2)
51
Cooling (Y) (Y2)
Compressor Cooling (Y) (Y2)
52
Fan (G)
Compressor Heating (Y) (Y2)
53
Fan (G)
61000652D 8400 Tstat Install.indd 16
7/9/13 9:03 AM
