Owner's Manual
Page 1
...SeeTM 69-1919EFS-04 Leave wallplate in place. U.S. All rights reserved. Copyright © 2009, Honeywell International Inc. Is there a sealed tube containing mercury? Registered Trademark. FF • HEAT 6 FAN ON 7 COOL • O • • AUTO 8 CT87N Easy-To-SeeTM The Round® Owner's Manual English: Page 1 Mode d'emploi Franç...Level (optional) • Pencil • Drill and bit (3/16" for drywall, 7/32" for proper disposal instructions. Remove cover and thermostat, but leave wallplate with wires attached. Old thermostat Cover ® U.S.
...SeeTM 69-1919EFS-04 Leave wallplate in place. U.S. All rights reserved. Copyright © 2009, Honeywell International Inc. Is there a sealed tube containing mercury? Registered Trademark. FF • HEAT 6 FAN ON 7 COOL • O • • AUTO 8 CT87N Easy-To-SeeTM The Round® Owner's Manual English: Page 1 Mode d'emploi Franç...Level (optional) • Pencil • Drill and bit (3/16" for drywall, 7/32" for proper disposal instructions. Remove cover and thermostat, but leave wallplate with wires attached. Old thermostat Cover ® U.S.
Owner's Manual
Page 2
Mount thermostat base 1. Pull wires through base. 2. CT87N Easy-To-SeeTM • Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify wire types. If your old thermostat has 7 or more wires (not counting terminals C or C1), you disconnect each wire. Mark positions of both screw holes. 69-1919EFS-04 2 IGNORE WIRE COLORS: Use only letter...
Mount thermostat base 1. Pull wires through base. 2. CT87N Easy-To-SeeTM • Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify wire types. If your old thermostat has 7 or more wires (not counting terminals C or C1), you disconnect each wire. Mark positions of both screw holes. 69-1919EFS-04 2 IGNORE WIRE COLORS: Use only letter...
Owner's Manual
Page 3
... have a heat pump. Apply the large-print labels to loosen screw terminals, insert bare wire into the wall opening. Connect only the O wire. Wrap bare end of wire with electrical tape. [4] If you have two wires, connect wires to : Terminal "R" [1] Terminal "Rc" [1] Terminal "O" [2] Terminal "B" [2] Terminal...W1 • H Y • Y1 • M C • X • B Connect to R and W. 3 69-1919EFS-04 Wrap B wire with same letter on thermostat, see table below. Position coverplate on the subbase. Use a screwdriver to the coverplate, matching the labels on wall, level and...
... have a heat pump. Apply the large-print labels to loosen screw terminals, insert bare wire into the wall opening. Connect only the O wire. Wrap bare end of wire with electrical tape. [4] If you have two wires, connect wires to : Terminal "R" [1] Terminal "Rc" [1] Terminal "O" [2] Terminal "B" [2] Terminal...W1 • H Y • Y1 • M C • X • B Connect to R and W. 3 69-1919EFS-04 Wrap B wire with same letter on thermostat, see table below. Position coverplate on the subbase. Use a screwdriver to the coverplate, matching the labels on wall, level and...
Owner's Manual
Page 4
... Electric warm air On Switch 2 On On Off Off 1. Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. CT87N Easy-To-SeeTM • Owner's Manual Fan operation settings Move the switch to the proper setting for your system: F: For gas or oil heating ...systems, leave the fan operation switch in a call for heat, if a fan wire is for systems that control the fan in this factoryset position (for systems that allow the thermostat to the proper setting for heat). Thermostat 69...
... Electric warm air On Switch 2 On On Off Off 1. Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. CT87N Easy-To-SeeTM • Owner's Manual Fan operation settings Move the switch to the proper setting for your system: F: For gas or oil heating ...systems, leave the fan operation switch in a call for heat, if a fan wire is for systems that control the fan in this factoryset position (for systems that allow the thermostat to the proper setting for heat). Thermostat 69...