Owner's Manual
Page 1
... Français : Page 6 Manual de Uso Español: Página 11 CT87N/CT87K The Round® CT87K (24 Vac heating systems) • CT87N (24 Vac heating and cooling systems) Getting started ...hazardouswaste/perchlorate Remove your local waste management authority for proper disposal instructions. Copyright © 2009, Honeywell International Inc. U.S. MERCURY NOTICE If your old thermostat contains mercury, contact your old thermostat ... anchors & screws (2 each) • Wire labels you begin . 2. Leave wallplate in place. Remove cover and thermostat, but leave wallplate with...
... Français : Page 6 Manual de Uso Español: Página 11 CT87N/CT87K The Round® CT87K (24 Vac heating systems) • CT87N (24 Vac heating and cooling systems) Getting started ...hazardouswaste/perchlorate Remove your local waste management authority for proper disposal instructions. Copyright © 2009, Honeywell International Inc. U.S. MERCURY NOTICE If your old thermostat contains mercury, contact your old thermostat ... anchors & screws (2 each) • Wire labels you begin . 2. Leave wallplate in place. Remove cover and thermostat, but leave wallplate with...
Owner's Manual
Page 2
... and call 1-800-468-1502 for advice. Pull wires through base. 2. Level base if desired. Mark mounting position CT87N CT87K 1. R W Y 3. Mark positions of both screw holes. 69-1959EFS-02 2 CT87N CT87K IGNORE WIRE COLORS: Use only letter designations to disconnect wires one by one. Stop now and call 1-800-...468-1502 for advice. Be careful not to let loose wires fall into the wall opening ! 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. As you...
... and call 1-800-468-1502 for advice. Pull wires through base. 2. Level base if desired. Mark mounting position CT87N CT87K 1. R W Y 3. Mark positions of both screw holes. 69-1959EFS-02 2 CT87N CT87K IGNORE WIRE COLORS: Use only letter designations to disconnect wires one by one. Stop now and call 1-800-...468-1502 for advice. Be careful not to let loose wires fall into the wall opening ! 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. As you...
Owner's Manual
Page 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. If labels do not use. [3] Do not use [3] CT87N Wiring CT87N [1] If wires...8226; Y1 • M Terminal "Y" C • X • B Do not use C, X or B. Wrap B wire with same letter on thermostat, see table below. Pull wires through cover plate (if needed to Y terminals. 3 69-1959EFS-02 Check level if desired, then tighten screws. Cover plate ...
...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. If labels do not use. [3] Do not use [3] CT87N Wiring CT87N [1] If wires...8226; Y1 • M Terminal "Y" C • X • B Do not use C, X or B. Wrap B wire with same letter on thermostat, see table below. Pull wires through cover plate (if needed to Y terminals. 3 69-1959EFS-02 Check level if desired, then tighten screws. Cover plate ...
Owner's Manual
Page 4
... the fuse/circuitbreaker panel. 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 setting for your system: F: For gas or oil heating systems, leave... to this setting for heat pump or electric heat systems. (This setting is for systems that 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 to the proper setting for heat).
... the fuse/circuitbreaker panel. 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 setting for your system: F: For gas or oil heating systems, leave... to this setting for heat pump or electric heat systems. (This setting is for systems that 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 to the proper setting for heat).