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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 qualified 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
identification.
*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