installing the thermostat, cont.
ATTACHING THE THERMOSTAT
4.Locate the HE/HG switch on the back of the thermostat. Set the switch to HG for a gas furnace or oil burner. Set the switch to HE for electric furnaces.
5.Insert two fresh AA alkaline batteries.
6.Align the thermostat with the the wall plate, and snap the two halves together.
7.Restore power at the electrical panel or furnace.
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