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White-Rodgers 1F85-277 Programmable MultiStage Thermostat


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Product
Our#:101142
Mfg:White-Rodgers
Mfg#:1F85-277
Availability
REPLACED BY 1F85-0477
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REPLACED BY 1F85-0477

Programming (1F85-277)
Choice of 7 day programmable or non-programmable
4 time and 4 temperature settings per program (heat & cool)
Energy savings up to 33%
Patented pre-programmed software simplifies time and temperature programming

Display
New - 40% larger LCD with improved contrast for easier reading
New - Lighted display for easier low-light viewing

Comfort & Convenience
New - Optional - minimum and maximum temperature configurable
Permanent program retention during power loss, no batteries needed
Indefinite setpoint Hold or programmable timed Hold up to 8 hours
Air filter change indicator
Simple menu to activate optional features
Temporary temperature override until next program period
Soft-touch keypad
Maintains room temperature differential within 1 degree
Display temperature recalibration (+/- 4°F)
Includes 2 "AA" alkaline batteries for long battery life

Performance
New - Universal - Single Stage, Multi-Stage or Heat Pump
New - Coded keypad lockout
Selectable Energy Management Recovery
Meets ENERGY STAR® specifications
Meets California Building Code, Title 24
Fast (FA) or slow (SL) heating cycle anticipation
Compressor lockout protection (optional)
Electric heat option

Dimensions
6.1"W x 3.8"H x 1.1"D

Electrical Specifications
Rating
20 to 30 VAC, 50/60 Hz or DC
0.05 to 1.5 Amp (load per terminal)
2.5 Amps maximum load (all terminals
combined)

Standard Systems
Multi-Stage-(2- stage heat, 2- stage cool)
Heat Pump-(2- stage heat, 2- stage cool)
Single Stage gas, oil, electric

Thermal Specifications
Setpoint Temperature Range: 45° to 90°F (7° to 32°C)
Rated Differential: 0.6° to 1.6°F with adjustable anticipation
Operating Ambient Temperature: 32° to 105°F (0° to 40°C)
Operating Humidity Range: 90% non-condensing maximum