16
SYSTEM TEST MODE
Thesystemtestmodeisusedtotestasystemafterinstallation.Theoutputsofthethermostatcanbemanually
activatedoneatatimetotesttheirfunction.Thefollowinginstructionsshowhowtoenterthetestmodeandturn
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) AuxHeating(W)(W2)
51 Cooling(Y)(Y2) CompressorCooling(Y)(Y2)
52 Fan(G) CompressorHeating(Y)(Y2)
53 Fan(G)
61000652C 8400 Tstat Install.indd 16 10/13/09 11:09:00 AM