Owners Manual
Page 1
...All rights reserved. 69-1958EFS-1 Failure to follow these instructions carefully. H0006769 and other patents pending. Copyright © 2007 Honeywell International Inc. This thermostat contains a Lithium battery which may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate The Round® ® U.S. ...T87N/T87K The Round® This manual covers the following models: • Heat-only T87K Pre-installation checklist Check package contents: • Thermostat • Wall anchors & screws (2 each) • Heat and Cool T87N Before you begin, make sure you have: • No...
...All rights reserved. 69-1958EFS-1 Failure to follow these instructions carefully. H0006769 and other patents pending. Copyright © 2007 Honeywell International Inc. This thermostat contains a Lithium battery which may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate The Round® ® U.S. ...T87N/T87K The Round® This manual covers the following models: • Heat-only T87K Pre-installation checklist Check package contents: • Thermostat • Wall anchors & screws (2 each) • Heat and Cool T87N Before you begin, make sure you have: • No...
Owners Manual
Page 2
NO NO NO Do not install in locations where the thermostat can be affected by: • Drafts or dead spots behind the thermostat T87N/T87K • Owner's Manual Product application This thermostat provides electronic control of: • 24 VAC heating systems (T87K) • 24 VAC heating and... (T87N) • Heat, Off, Cool Electrical Ratings • Voltage: 20-30 VAC • Running current: 0.02-1.0A Installation tips Install the thermostat about 5 feet (1.5 m) above the floor in corners • Hot or cold air from ducts • Sunlight or radiant heat from appliances •...
NO NO NO Do not install in locations where the thermostat can be affected by: • Drafts or dead spots behind the thermostat T87N/T87K • Owner's Manual Product application This thermostat provides electronic control of: • 24 VAC heating systems (T87K) • 24 VAC heating and... (T87N) • Heat, Off, Cool Electrical Ratings • Voltage: 20-30 VAC • Running current: 0.02-1.0A Installation tips Install the thermostat about 5 feet (1.5 m) above the floor in corners • Hot or cold air from ducts • Sunlight or radiant heat from appliances •...
Owners Manual
Page 3
... drywall, 7/32" for some 3- Loosen screw terminals, insert wires into the wall opening with nonflammable insulation to prevent drafts from affecting thermostat operation. Rc Cooling power. B Heat pump changeover valve energized in supplied wall anchors. 3. Terminal Designations-T87K W Heat relay. R Power...W Y NOTES R & Rc terminals (T87N) In single-transformer system, leave metal jumper in cooling. Wire specifications Use 18-gauge thermostat wire. Pull wires through wallplate, position over anchors, then insert and tighten mounting screws. Pull wire through wire hole. Check level ...
... drywall, 7/32" for some 3- Loosen screw terminals, insert wires into the wall opening with nonflammable insulation to prevent drafts from affecting thermostat operation. Rc Cooling power. B Heat pump changeover valve energized in supplied wall anchors. 3. Terminal Designations-T87K W Heat relay. R Power...W Y NOTES R & Rc terminals (T87N) In single-transformer system, leave metal jumper in cooling. Wire specifications Use 18-gauge thermostat wire. Pull wires through wallplate, position over anchors, then insert and tighten mounting screws. Pull wire through wire hole. Check level ...
Owners Manual
Page 4
Thermostat mounting Base Heating System Switch 1 Steam or gravity (1 CPH) On High efficiency warm air Off (90%+), hot water, or ...Electric warm air (9 CPH) On Switch 2 On On Off Off Align the slots on the base with tabs on the thermostat, then push gently until the thermostat snaps into place. Thermostat T87N/T87K • Owner's Manual Fan operation settings (T87N) Fan operation settings: F: For gas or oil heating ...for your system (see table below). E: Change the switch to this factory-set position (for systems that allow the thermostat to the proper setting for heat).
Thermostat mounting Base Heating System Switch 1 Steam or gravity (1 CPH) On High efficiency warm air Off (90%+), hot water, or ...Electric warm air (9 CPH) On Switch 2 On On Off Off Align the slots on the base with tabs on the thermostat, then push gently until the thermostat snaps into place. Thermostat T87N/T87K • Owner's Manual Fan operation settings (T87N) Fan operation settings: F: For gas or oil heating ...for your system (see table below). E: Change the switch to this factory-set position (for systems that allow the thermostat to the proper setting for heat).