Owner's Manual
Page 1
... See www.dtsc.ca.gov/hazardouswaste/perchlorate Remove your old thermostat 1. Owner's Manual English: Page 1 Mode d'emploi Français : Page 6 Manual de Uso Español: Página 11 CT87N/CT87K The Round® CT87K (24 Vac heating systems) • CT87N (24 Vac ...labels you begin. 2. All rights reserved. Is there a sealed tube containing mercury? Old thermostat Cover ® U.S. Patents 7,159,789; 7,159,790; 7,476,988 and other patents pending. Copyright © 2009, Honeywell International Inc. CAUTION TURN OFF POWER to system at the furnace, or at the fuse/...
... See www.dtsc.ca.gov/hazardouswaste/perchlorate Remove your old thermostat 1. Owner's Manual English: Page 1 Mode d'emploi Français : Page 6 Manual de Uso Español: Página 11 CT87N/CT87K The Round® CT87K (24 Vac heating systems) • CT87N (24 Vac ...labels you begin. 2. All rights reserved. Is there a sealed tube containing mercury? Old thermostat Cover ® U.S. Patents 7,159,789; 7,159,790; 7,476,988 and other patents pending. Copyright © 2009, Honeywell International Inc. CAUTION TURN OFF POWER to system at the furnace, or at the fuse/...
Owner's Manual
Page 2
...'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 labeled. Stop now and call 1-800-468-1502 for advice. Mark mounting position CT87N CT87K 1. Mark positions of both screw holes. 69-1959EFS-02 2 CT87N...
...'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 labeled. Stop now and call 1-800-468-1502 for advice. Mark mounting position CT87N CT87K 1. Mark positions of both screw holes. 69-1959EFS-02 2 CT87N...
Owner's Manual
Page 3
...O wire. Cover plate (optional) Connect wires 1. Thermostat base 3. [Optional] Pull wires through thermostat base, position over anchors, then insert mounting screws. Labels don't match? Wrap bare end of wire with wall. CT87K R W Y Wiring CT87K • 2-wire heat-only system: Connect one ..."W" Y • Y1 • M Terminal "Y" C • X • B Do not use C, X or B. Use hammer to cover marks left by the old thermostat). 4. If labels do not use. [3] Do not use [3] CT87N Wiring CT87N [1] If wires will be connected to loosen screw terminals, insert bare wire into the...
...O wire. Cover plate (optional) Connect wires 1. Thermostat base 3. [Optional] Pull wires through thermostat base, position over anchors, then insert mounting screws. Labels don't match? Wrap bare end of wire with wall. CT87K R W Y Wiring CT87K • 2-wire heat-only system: Connect one ..."W" Y • Y1 • M Terminal "Y" C • X • B Do not use C, X or B. Use hammer to cover marks left by the old thermostat). 4. If labels do not use. [3] Do not use [3] CT87N Wiring CT87N [1] If wires will be connected to loosen screw terminals, insert bare wire into the...
Owner's Manual
Page 4
Restore electrical power at the heating/ cooling system, or at the fuse/circuitbreaker panel. CT87N/CT87K • Owner's Manual Set fan operation switch (CT87N) Move the switch to the proper setting for heat). Finish installation Base Heating System Switch 1 Steam or ... heating systems, leave the fan operation switch in this setting for heat pump or electric heat systems. (This setting is for systems that allow the thermostat to control the fan in a call for heat, if a fan wire is connected to the G terminal.) Set cycle rate switches Move the cycle rate switches...
Restore electrical power at the heating/ cooling system, or at the fuse/circuitbreaker panel. CT87N/CT87K • Owner's Manual Set fan operation switch (CT87N) Move the switch to the proper setting for heat). Finish installation Base Heating System Switch 1 Steam or ... heating systems, leave the fan operation switch in this setting for heat pump or electric heat systems. (This setting is for systems that allow the thermostat to control the fan in a call for heat, if a fan wire is connected to the G terminal.) Set cycle rate switches Move the cycle rate switches...