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2
Specifications
WARNING
FIRE AND SHOCK HAZARD
• Always turn off power at the main power supply
before installing, cleaning or removing the
thermostat. Failure to do so could result in
electrical shock hazard.
• Do not use on voltages over 30 VAC. Higher
voltages will damage the thermostat and could cause
shock or fire hazard.
• All wiring must conform to local and national
electrical and building codes.
• Use this thermostat only as described in this manual.
Electrical rating: • 24 VAC (18–30 VAC)
• 1 amp maximum per terminal
• 4 amp maximum total load
Operating temperature range: 40°F–99°F (4°C–37°C)
Temperature set range: 60°F–85°F (15°C–29°C)
Accuracy: ± 1°F (± 0.5°C)
System configurations:
• Factory Setting: 3-stage heat (heat pump low, heat
pump high, resistance heat), 2-stage cool (cool low, cool
high), 2-speed fan
• Alternate Setting: 2-stage heat (heat pump/resistance
heat), 1-stage cool, 2-speed fan
• Alternate Setting: 1-stage heat (resistance heat), 1-stage
cool, 2-speed fan
Terminations: R, C, B, Y1, W, Y2, GL, GH
Wiring: Maximum wiring length is 66ft (20 meters) for
AWG18. Maximum wiring length is 60ft (18 meters) for
AWG20
IMPORTANT SAFETY INFORMATION
READ ALL INSTRUCTIONS BEFORE USING
NOTICE
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