Owner's Manual
Page 1
...notice below. U.S. Perchlorate Material-special handling may contain Perchlorate material. All rights reserved. Remove cover and thermostat, but leave wallplate with wires attached. Copyright © 2009, Honeywell International Inc. The Round® Easy-To-SeeTM 69-1919EFS-04 Is there a sealed tube containing... mercury? FF • HEAT 6 FAN ON 7 COOL • O • • AUTO 8 CT87N Easy-To-SeeTM The Round...
...notice below. U.S. Perchlorate Material-special handling may contain Perchlorate material. All rights reserved. Remove cover and thermostat, but leave wallplate with wires attached. Copyright © 2009, Honeywell International Inc. The Round® Easy-To-SeeTM 69-1919EFS-04 Is there a sealed tube containing... mercury? FF • HEAT 6 FAN ON 7 COOL • O • • AUTO 8 CT87N Easy-To-SeeTM The Round...
Owner's Manual
Page 2
... 2 As you may have purchased the wrong replacement thermostat. Mount thermostat base 1. If your old thermostat has 7 or more wires (not counting terminals C or C1), you disconnect each wire. Level base if desired. 3. Do not let wires fall into wall opening . CT87N Easy-To-SeeTM • Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify...
... 2 As you may have purchased the wrong replacement thermostat. Mount thermostat base 1. If your old thermostat has 7 or more wires (not counting terminals C or C1), you disconnect each wire. Level base if desired. 3. Do not let wires fall into wall opening . CT87N Easy-To-SeeTM • Owner's Manual Label wires and remove old wallplate Use a screwdriver to identify...
Owner's Manual
Page 3
... Check level if desired. 4. Apply the large-print labels to R and W. 3 69-1919EFS-04 Connect only the O wire. Wrap bare end of wire with electrical tape and do not match letters on the subbase. Existing wires R • RH • 4 • V Rc O B G • F W • W1 • ...B if you have a heat pump. Wrap B wire with electrical tape. [4] If you have two wires, connect wires to the coverplate, matching the labels on thermostat, see table below. Pull wire through wire hole. Push any excess wire back into slots, then tighten screws. 3. Labels don...
... Check level if desired. 4. Apply the large-print labels to R and W. 3 69-1919EFS-04 Connect only the O wire. Wrap bare end of wire with electrical tape and do not match letters on the subbase. Existing wires R • RH • 4 • V Rc O B G • F W • W1 • ...B if you have a heat pump. Wrap B wire with electrical tape. [4] If you have two wires, connect wires to the coverplate, matching the labels on thermostat, see table below. Pull wire through wire hole. Push any excess wire back into slots, then tighten screws. 3. Labels don...
Owner's Manual
Page 4
...operation switch in this setting for heat pump or electric heat systems. (This setting is 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.) Cycle rate settings E F Move the cycle rate switches to the proper setting ...for your system (see table below). Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. CT87N Easy-To-SeeTM • Owner's...
...operation switch in this setting for heat pump or electric heat systems. (This setting is 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.) Cycle rate settings E F Move the cycle rate switches to the proper setting ...for your system (see table below). Restore electrical power at the heating/cooling system, or at the fuse/circuit-breaker panel. CT87N Easy-To-SeeTM • Owner's...