Owner's Manual
Page 1
...follow these instructions carefully. Copyright © 2009, Honeywell International Inc. Perchlorate Material-special handling may contain...,988 and other patents pending. FF • HEAT 6 FAN ON 7 COOL • O • • AUTO 8 T87N Easy-To-SeeTM The Round® Owner's Manual English: Page 1 Mode d'emploi Français: Page 6 Manual de Uso... Español: Página 11 Pre-installation checklist Check package contents: • Thermostat • Wall anchors & screws (2 each) • Owner's Manual • Braille Card • Large Print ...
...follow these instructions carefully. Copyright © 2009, Honeywell International Inc. Perchlorate Material-special handling may contain...,988 and other patents pending. FF • HEAT 6 FAN ON 7 COOL • O • • AUTO 8 T87N Easy-To-SeeTM The Round® Owner's Manual English: Page 1 Mode d'emploi Français: Page 6 Manual de Uso... Español: Página 11 Pre-installation checklist Check package contents: • Thermostat • Wall anchors & screws (2 each) • Owner's Manual • Braille Card • Large Print ...
Owner's Manual
Page 2
T87N Easy-To-SeeTM • Owner's Manual Product application This thermostat provides electronic control of 24 VAC single-stage heating and cooling systems. System Types • Gas, oil, or electric heat with air conditioning • Warm ....9°C) Operating Relative Humidity • 5% to 90% (non-condensing) 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...
T87N Easy-To-SeeTM • Owner's Manual Product application This thermostat provides electronic control of 24 VAC single-stage heating and cooling systems. System Types • Gas, oil, or electric heat with air conditioning • Warm ....9°C) Operating Relative Humidity • 5% to 90% (non-condensing) 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...
Owner's Manual
Page 3
Apply the large-print labels to 22-gauge thermostat wire. Terminal Designations W Heat relay. G Fan relay. E F G R W Rc Y O B NOTES R & Rc terminals In single-transformer system, leave metal jumper in cooling. Shielded cable is not required... screws. 2. B Heat pump changeover valve energized in supplied wall anchors. 3. Remove metal jumper if two-transformer system. Connect to prevent drafts from affecting thermostat operation. Wire specifications Use 18- English: Page 1 • Français: Page 6 • Español: Página 11 Subbase and base installation...
Apply the large-print labels to 22-gauge thermostat wire. Terminal Designations W Heat relay. G Fan relay. E F G R W Rc Y O B NOTES R & Rc terminals In single-transformer system, leave metal jumper in cooling. Shielded cable is not required... screws. 2. B Heat pump changeover valve energized in supplied wall anchors. 3. Remove metal jumper if two-transformer system. Connect to prevent drafts from affecting thermostat operation. Wire specifications Use 18- English: Page 1 • Français: Page 6 • Español: Página 11 Subbase and base installation...
Owner's Manual
Page 4
F E: Change the switch to this factory-set position (for systems that allow the thermostat to the proper setting for heat). Thermostat mounting Coverplate and subbase Heating System Steam or gravity (1 CPH) High efficiency warm air (90%+), hot water, or heat pump (3 CPH) Gas...1 On Off Off 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 69-1840EFS-03 4 T87N Easy-To-SeeTM • Owner's Manual Fan operation settings Fan operation settings: F: For gas or oil heating systems...
F E: Change the switch to this factory-set position (for systems that allow the thermostat to the proper setting for heat). Thermostat mounting Coverplate and subbase Heating System Steam or gravity (1 CPH) High efficiency warm air (90%+), hot water, or heat pump (3 CPH) Gas...1 On Off Off 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 69-1840EFS-03 4 T87N Easy-To-SeeTM • Owner's Manual Fan operation settings Fan operation settings: F: For gas or oil heating systems...