Owners Manual
Page 1
...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....Disconnect power before beginning installation. All rights reserved. 69-1958EFS-1 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....Disconnect power before beginning installation. All rights reserved. 69-1958EFS-1 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. ...
Owners Manual
Page 2
...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 •...; Concealed pipes or chimneys • Unheated/uncooled areas such as an outside wall 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 cooling...
...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 •...; Concealed pipes or chimneys • Unheated/uncooled areas such as an outside wall 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 cooling...
Owners Manual
Page 3
... wire back into terminal block, then re-tighten screws. 2. Y Compressor contactor. Connect to prevent drafts from affecting thermostat operation. wire hot-water valve systems (power open and close valves). Wire specifications Use 18-gauge thermostat wire. Terminal Designations-T87N W Heat relay. Rc Cooling power. Remove metal jumper if two-transformer system. Check...
... wire back into terminal block, then re-tighten screws. 2. Y Compressor contactor. Connect to prevent drafts from affecting thermostat operation. wire hot-water valve systems (power open and close valves). Wire specifications Use 18-gauge thermostat wire. Terminal Designations-T87N W Heat relay. Rc Cooling power. Remove metal jumper if two-transformer system. Check...
Owners Manual
Page 4
...) Fan operation settings: F: For gas or oil heating systems, leave the fan operation switch in a call for your system (see table below). Thermostat E: Change the switch to this setting for heat pump or electric heat systems. (This setting is for systems that control the fan in a...Cycle rate settings Move the cycle rate switches to control the fan in 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, ...
...) Fan operation settings: F: For gas or oil heating systems, leave the fan operation switch in a call for your system (see table below). Thermostat E: Change the switch to this setting for heat pump or electric heat systems. (This setting is for systems that control the fan in a...Cycle rate settings Move the cycle rate switches to control the fan in 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, ...