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.
NOTICE
• 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: 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, W, Y, GH, GL, B (RAK148H2)
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
