Owner's Manual
Page 1
MERCURY NOTICE If your old thermostat contains mercury, contact your old thermostat 1. U.S. Copyright © 2009, Honeywell International Inc. The Round® 69-1959EFS-02 Old thermostat Cover ® U.S. Leave wallplate in place. If so, see mercury ... 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 heating and cooling systems) Getting started Check package contents: Before you have: • No. 2 Phillips & small pocket...
MERCURY NOTICE If your old thermostat contains mercury, contact your old thermostat 1. U.S. Copyright © 2009, Honeywell International Inc. The Round® 69-1959EFS-02 Old thermostat Cover ® U.S. Leave wallplate in place. If so, see mercury ... 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 heating and cooling systems) Getting started Check package contents: Before you have: • No. 2 Phillips & small pocket...
Owner's Manual
Page 2
... in your old thermostat has 7 or more wires (not counting terminals C or C1), you may have purchased the wrong replacement thermostat. Mark mounting position CT87N CT87K 1. R W Y 3. Stop now and call 1-800-468-1502 for advice. Stop now and call 1-800-468-1502 for advice. Mark positions of... both screw holes. 69-1959EFS-02 2 CT87N/CT87K • Owner's Manual Label wires and remove old wallplate Use a screwdriver to let loose wires fall into the wall opening ! As you ...
... in your old thermostat has 7 or more wires (not counting terminals C or C1), you may have purchased the wrong replacement thermostat. Mark mounting position CT87N CT87K 1. R W Y 3. Stop now and call 1-800-468-1502 for advice. Stop now and call 1-800-468-1502 for advice. Mark positions of... both screw holes. 69-1959EFS-02 2 CT87N/CT87K • Owner's Manual Label wires and remove old wallplate Use a screwdriver to let loose wires fall into the wall opening ! As you ...
Owner's Manual
Page 3
...flush with electrical tape and do not match letters on the terminal block(s). 2. If labels do not use. [3] Do not use [3] CT87N Wiring CT87N [1] If wires will be connected to tap anchors into the wall opening. Wrap B wire with wall. Use a screwdriver to cover ...over anchors, then insert mounting screws. Cover plate (optional) Connect wires 1. Labels don't match? Existing wires Connect to Y terminals. 3 69-1959EFS-02 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: ...
...flush with electrical tape and do not match letters on the terminal block(s). 2. If labels do not use. [3] Do not use [3] CT87N Wiring CT87N [1] If wires will be connected to tap anchors into the wall opening. Wrap B wire with wall. Use a screwdriver to cover ...over anchors, then insert mounting screws. Cover plate (optional) Connect wires 1. Labels don't match? Existing wires Connect to Y terminals. 3 69-1959EFS-02 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: ...
Owner's Manual
Page 4
... water, or heat pump Gas or oil warm air Off (factory setting) Electric warm air On Switch 2 On On Off Off 1. 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 the fan operation switch in...
... water, or heat pump Gas or oil warm air Off (factory setting) Electric warm air On Switch 2 On On Off Off 1. 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 the fan operation switch in...
Owner's Manual
Page 5
...warranty questions, please write Honeywell Customer Relations, 1985 Douglas Dr., Golden Valley, MN 55422 or call Honeywell Customer Care at Honeywell's option). English: Page 1 • Français : Page 6 • Español: Página 11 Operation System switch (CT87N) • Cool: Controls... the cooling system. • Heat: Controls the heating system. • Off: All systems are off. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V...
...warranty questions, please write Honeywell Customer Relations, 1985 Douglas Dr., Golden Valley, MN 55422 or call Honeywell Customer Care at Honeywell's option). English: Page 1 • Français : Page 6 • Español: Página 11 Operation System switch (CT87N) • Cool: Controls... the cooling system. • Heat: Controls the heating system. • Off: All systems are off. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V...
Owner's Manual
Page 16
... Pour obtenir de l'aide et apprendre à faire fonctionner votre produit Honeywell, veuillez consulter le site Web http://yourhome.honeywell.com ou vous adresser aux Services à la clientèle de Honeywell en composant le 1 800 468-1502 ¿Necesita ayuda? on recycled... paper containing at 1-800-468-1502 Besoin d'aide? For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at least 10% post-consumer paper fibers. ® U.S. CT87N/CT87K...
... Pour obtenir de l'aide et apprendre à faire fonctionner votre produit Honeywell, veuillez consulter le site Web http://yourhome.honeywell.com ou vous adresser aux Services à la clientèle de Honeywell en composant le 1 800 468-1502 ¿Necesita ayuda? on recycled... paper containing at 1-800-468-1502 Besoin d'aide? For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at least 10% post-consumer paper fibers. ® U.S. CT87N/CT87K...