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on the thermostat (see fig. 9). Do
not allow the resistor or wire to
come into contact with any other
thermostat components.
3. Replace the thermostat cover and
restore power to the system.
4. Test thermostat and system opera-
tion (see TESTING YOUR
THERMOSTAT).
34
1K , 0.5W resistor
Four-wire
W
(heat/cool)
Two-wire
(heat only)
W
R
Gh
Gc
C
Y
Furnace Low Voltage
Terminal Block
Figure 9. Install resistor between
thermostat and furnace (method 2)
Wire Nut
Connector
Thermostat
G
R
Y
Terminals
Added
Wire
To Cooling Unit
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