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T87N Easy-To-See
TM
• Owner's Manual
2
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
Install the thermostat about 5 feet (1.5 m) above the floor in an area
with good air circulation at average temperature.
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
NO
NO
NO
Installation tips
Product application
This thermostat provides electronic control of 24 VAC single-stage heating
and cooling systems.