Honeywell CT87K Thermostat User Manual


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CT87N/CT87K • Owner's Manual
69-1959EFS—02 2
Wrap supplied labels securely around each wire. Do not let wires fall into wall opening!
IGNORE WIRE COLORS: Use only letter designations
to identify wire types.
For CT87N: If your old thermostat
has7ormorewires(not counting
terminals C or C1),youmayhave
purchased the wrong replacement
thermostat. Stop now and call
1-800-468-1502 for advice.
CT87N
1. Pull wires
through base.
2. Level base if
desired.
3. Markpositions
of both screw
holes.
R
W
Y
CT87K
For CT87K: If your old thermostat
has4ormorewires(not counting
terminals C or C1),youmayhave
purchased the wrong replacement
thermostat. Stop now and call
1-800-468-1502 for advice.
Use a screwdriver to disconnect wires one by one. As you disconnect each wire, wrap it with
thelabelmatchingtheletteronyouroldthermostat.(Adhesivelabelsaresuppliedinyour
thermostatpackage.)
Remove the old wallplate only after all wires are labeled. Be careful not to let loose wires fall
into the wall opening.
Label wires and remove old wallplate
Mark mounting position
CT87N CT87K
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