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STEP 1. REMOVE THE COVER FROM YOUR OLD
Most covers snap off easily but some are attached by screws.
A. If you do not have a wire connected to C, visit
www.carrier.com/corsupport for Advanced Installation and
Configuration Instructions.
B. If you have wires connected to Rh, Rc, and C, You'll use two
breakers or switches to disconnect power in Step 2.
A.
C
H
Warning! If your old thermostat is labeled 110V or
!
120V, or is connected by thick wires and wire nuts,
it is a high voltage system and is not compatible
THERMOSTAT
B.
C
H
5
110/120V
A150045
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