Honeywell T87N 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 air, hot water, high-efficiency furnaces, heat pumps, steam, gravity • Heat only • Heat only with fan • Cool only System Settings • Heat, Off, Cool Fan Settings • Auto, On Specifications Temperature Range • 40° to 90°F (4.5° to 32°C) Shipping Temperature • -20° to 120°F (-28.9° to 48.9°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 an area with good air circulation at average temperature. NO NO NO Do not install in locations where the thermostat can be affected by: • Drafts or dead spots behind doors and 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 69-1840EFS-03 2