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... Drill and bit (3/16" for drywall, 7/32" for instructions regarding recycling and proper disposal. Disconnect power before beginning installation. This thermostat contains a Lithium battery which may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate The Round® ® U.S. Perchlorate Material-special...
...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... Drill and bit (3/16" for drywall, 7/32" for instructions regarding recycling and proper disposal. Disconnect power before beginning installation. This thermostat contains a Lithium battery which may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate The Round® ® U.S. Perchlorate Material-special...
Owners Manual
Page 2
...System Settings (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 NO NO NO Do not install in locations where the thermostat can be affected by: • Drafts or dead spots behind doors and in an area with good ...
...System Settings (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 NO NO NO Do not install in locations where the thermostat can be affected by: • Drafts or dead spots behind doors and in an area with good ...
Owners Manual
Page 3
... valve energized in cooling. Loosen screw terminals, insert wires into the wall opening with nonflammable insulation to prevent drafts from affecting thermostat operation. O Heat pump changeover valve energized in heating. Y This terminal can be used for plaster) and tap in place...tighten mounting screws. Terminal Designations-T87K W Heat relay. Drill holes (3/16" for drywall, 7/32" for some 3- Wire specifications Use 18-gauge thermostat wire. Wiring 1. R W Y NOTES R & Rc terminals (T87N) In single-transformer system, leave metal jumper in supplied wall anchors. 3....
... valve energized in cooling. Loosen screw terminals, insert wires into the wall opening with nonflammable insulation to prevent drafts from affecting thermostat operation. O Heat pump changeover valve energized in heating. Y This terminal can be used for plaster) and tap in place...tighten mounting screws. Terminal Designations-T87K W Heat relay. Drill holes (3/16" for drywall, 7/32" for some 3- Wire specifications Use 18-gauge thermostat wire. Wiring 1. R W Y NOTES R & Rc terminals (T87N) In single-transformer system, leave metal jumper in supplied wall anchors. 3....
Owners Manual
Page 4
... for heat, if a fan wire is connected to the G terminal.) Cycle rate settings Move the cycle rate switches 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 heat pump (3 CPH) ...(5 CPH) 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. T87N/T87K • Owner's Manual Fan operation settings (T87N) Fan operation settings: F: For gas or oil heating systems...
... for heat, if a fan wire is connected to the G terminal.) Cycle rate settings Move the cycle rate switches 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 heat pump (3 CPH) ...(5 CPH) 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. T87N/T87K • Owner's Manual Fan operation settings (T87N) Fan operation settings: F: For gas or oil heating systems...