17
Thermostat Terminals
with attached wires
Indoor Equipment
Setting
(Used in 4.5)
▢
No wire on thermostat terminal W/E
Blower only (no indoor heating
equipment)
FAN
▢
W/E (Gas or Oil heat)
Single stage gas or oil furnace
GA1
▢
W/E, W2 (Gas or Oil heat)
Two stage gas or oil furnace
GA2
▢
W/E (Electric heat)
Single stage electric furnace
EL1
▢
W/E, W2 (Electric heat)
Two stage electric furnace
EL2