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4. Using the provided stickers, label each wire according to the
Wire Labels chart.
(If the terminals are not labeled,
contact a qualied HVAC technician.)
Note: Wire colors do not always comply with standards, so
wire color should be ignored. Refer to the existing terminal
designation for proper identication.
*If wires marked Y & C are both present, C may be a
Common wire and should not be used. If you have a wire
marked C, do not connect it to any terminal. This wire is used only
for non-battery powered thermostats.
5. Do not let the wires slip back into the wall during disconnection.
You may want to secure the wires to the wall as you disconnect
them. After all wires are labeled, disconnect each wire and
remove the existing wall plate.
(Any unused wires should be capped with an approved electrical connector,
such as electrical tape.)
uninstalling the existing unit, cont.
Y
RC
G
W
W