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4. Using the provided stickers, label each wire according
to the 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.
UNINSTALLING THE EXISTING UNIT, CONT.
Y
RC
G
W
W