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Honeywell CT87K Support Question

Honeywell CT87K Support Question

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Question posted by rathekhee on January 1st, 2014

Ct87k Thermostat Why Battery

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Related Honeywell CT87K Manual Pages

Owner's Manual - Page 1

... pocket screwdrivers • Hammer • Level (optional) • Pencil This thermostat contains a Lithium battery which may contain Perchlorate material. • Drill and bit (3/16" for drywall...CT87K The Round® CT87K (24 Vac heating systems) • CT87N (24 Vac heating and cooling systems) Getting started Check package contents: Before you begin, make sure • Thermostat...
Owner's Manual - Page 2

...; Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify wire types. For CT87K: If your thermostat package.) Remove the old wallplate only after all wires are supplied in your old thermostat has 4 or more wires (not counting terminals C or C1), you disconnect each wire. As you may have purchased the...
Owner's Manual - Page 3

... excess wire back into slots, then tighten screws. 3. CT87K R W Y Wiring CT87K • 2-wire heat-only system: Connect one wire to R terminal, one wire to W terminal. • 3-wire hot water heat-only system: Connect wires R to R, W to W, and Y to cover marks left by the old thermostat). 4. Use a screwdriver to : R • RH • 4 • V Terminal...
Owner's Manual - Page 4

... power at the heating/ cooling system, or at the fuse/circuitbreaker panel. Coverplate (optional) Thermostat 69-1959EFS-02 4 Align the slots on the base with tabs on the thermostat, then push gently until the thermostat snaps into place. 2. CT87N/CT87K • Owner's Manual Set fan operation switch (CT87N) Move the switch to the proper...
Owner's Manual - Page 16

...-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 http://yourhome.honeywell.com Printed in U.S.A. CT87N/CT87K • Owner's Manual Need Help? Rev. 10-09

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