Owner's Manual
Page 1
...,988 and other patents pending. Copyright © 2009, Honeywell International Inc. Registered Trademark. U.S. Remove cover and thermostat, but leave wallplate with wires attached. 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...
...,988 and other patents pending. Copyright © 2009, Honeywell International Inc. Registered Trademark. U.S. Remove cover and thermostat, but leave wallplate with wires attached. 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...
Owner's Manual
Page 2
... WIRE COLORS: Use only letter designations to disconnect wires one by one. As you may have purchased the wrong replacement thermostat. Do not let wires fall into wall opening . CT87N/CT87K • Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify wire types. Stop now and call 1-800-468-1502...
... WIRE COLORS: Use only letter designations to disconnect wires one by one. As you may have purchased the wrong replacement thermostat. Do not let wires fall into wall opening . CT87N/CT87K • Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify wire types. Stop now and call 1-800-468-1502...
Owner's Manual
Page 4
E F E: Change the switch to this factory-set position (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 ... On Off Off 1. Align the slots on the base with tabs on the thermostat, then push gently until the thermostat snaps into place. 2. 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...
E F E: Change the switch to this factory-set position (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 ... On Off Off 1. Align the slots on the base with tabs on the thermostat, then push gently until the thermostat snaps into place. 2. 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...