Owner's Manual
Page 1
... a Lithium battery which may contain Perchlorate material. Is there a sealed tube containing mercury? U.S. Copyright © 2009, Honeywell International Inc. MERCURY NOTICE If your old thermostat contains mercury, contact your old thermostat CAUTION: TURN OFF POWER Turn off power...see mercury notice below. Remove cover and thermostat, but leave wallplate with wires attached. Registered Trademark. Old thermostat Cover ® U.S. FF • HEAT 6 FAN ON 7 COOL • O • • AUTO 8 CT87N Easy-To-SeeTM The Round® Owner's Manual English: Page 1 Mode...
... a Lithium battery which may contain Perchlorate material. Is there a sealed tube containing mercury? U.S. Copyright © 2009, Honeywell International Inc. MERCURY NOTICE If your old thermostat contains mercury, contact your old thermostat CAUTION: TURN OFF POWER Turn off power...see mercury notice below. Remove cover and thermostat, but leave wallplate with wires attached. Registered Trademark. Old thermostat Cover ® U.S. FF • HEAT 6 FAN ON 7 COOL • O • • AUTO 8 CT87N Easy-To-SeeTM The Round® Owner's Manual English: Page 1 Mode...
Owner's Manual
Page 2
... wall opening ! Be careful not to identify wire types. Do not let wires fall into wall opening . Level base if desired. 3. CT87N Easy-To-SeeTM • Owner's Manual Label wires and remove old wallplate Use a screwdriver to disconnect wires one by one. Wrap supplied labels securely around each wire, wrap it with the label matching the...
... wall opening ! Be careful not to identify wire types. Do not let wires fall into wall opening . Level base if desired. 3. CT87N Easy-To-SeeTM • Owner's Manual Label wires and remove old wallplate Use a screwdriver to disconnect wires one by one. Wrap supplied labels securely around each wire, wrap it with the label matching the...
Owner's Manual
Page 3
...the coverplate, matching the labels on thermostat, see table below. Connect only the O wire. Wrap bare end of wire with electrical tape. [4] If you have two wires, connect wires to both R and Rc terminals, remove metal jumper. [2] Do not connect both ...; X • B Connect to: Terminal "R" [1] Terminal "Rc" [1] Terminal "O" [2] Terminal "B" [2] Terminal "G" Terminal "W" Terminal "Y" Do not use C, X or B. Push any excess wire back into slots, then tighten screws. 3. Labels don't match? Check level if desired. 4. Drill holes (3/16" for drywall, 7/32" for plaster) and tap in supplied...
...the coverplate, matching the labels on thermostat, see table below. Connect only the O wire. Wrap bare end of wire with electrical tape. [4] If you have two wires, connect wires to both R and Rc terminals, remove metal jumper. [2] Do not connect both ...; X • B Connect to: Terminal "R" [1] Terminal "Rc" [1] Terminal "O" [2] Terminal "B" [2] Terminal "G" Terminal "W" Terminal "Y" Do not use C, X or B. Push any excess wire back into slots, then tighten screws. 3. Labels don't match? Check level if desired. 4. Drill holes (3/16" for drywall, 7/32" for plaster) and tap in supplied...
Owner's Manual
Page 4
... to the proper setting for heat). Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. Thermostat 69-1919EFS-04 4 CT87N Easy-To-SeeTM • Owner's Manual Fan operation settings Move the switch to control the fan in a call for heat, if a fan... wire is connected to the G terminal.) Cycle rate settings E F Move the cycle rate switches to the proper setting for your system: F: For gas or oil heating ...
... to the proper setting for heat). Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. Thermostat 69-1919EFS-04 4 CT87N Easy-To-SeeTM • Owner's Manual Fan operation settings Move the switch to control the fan in a call for heat, if a fan... wire is connected to the G terminal.) Cycle rate settings E F Move the cycle rate switches to the proper setting for your system: F: For gas or oil heating ...