Description
- Large 4.5 square inch LCD with high contrast for easier reading
- Controls Heat Pump Systems with 2 Stages Heat / 1 Stages Cool
- Bright, white backlit display is easy to read
- Easy to use temperature control and override program schedule at anytime
- Progressive recovery
- Permanent program retention during power loss
- Indefinite setpoint Hold
- Choice of 5/1/1 day programmable, or 5/2 day
- Displays room temperature, temperature setting and outdoor temperature (with 8052 sensor) simultaneously
- Removable battery cover for fast, easy replacement
- Dual Powered…choice of battery powered or hardwired, for all applications – note for heat pump models (8446, 8465) 24 VAC must be connected in order for the system fault and emergency heat indicators to operate.
- Easy-to-wire terminal block
- Millivolt compatible
- Outdoor temperature (requires 8052 outdoor temperature sensor)
- Permanent memory retention during power outage
- Water panel, air filter, dehumidifier and HVAC service indicators
- Simple "set-up" menu to activate optional features
- Soft-touch keys
- Circulate fan mode (if the fan has been off for 20 minutes the fan will be activated for a 10 minute cycle. Use this mode for a balance of energy savings and air circulation/cleaning)
- Compressor lockout protection
- Quick reference instructions on board
- Display temperature offset (+/-4º)
- Fahrenheit & Celsius
- Configures as manual heat/cool, or with auto changeover
- 5 year warranty
- Adjustable differential for 1st, 2nd, 3rd stage
SPECIFICATIONS:
- Terminals: Rc, R, W, Y, G, C, S1, S2, 0/B, L, W2
- Operating voltage 24 VAC (18 – 30 VAC)
- Current – Maximum: 2.5A (total), 1.0A (single output)
- Maximum surge current: 5A
- Power supply Dual power. Can be battery or 24 VAC powered (When both the sources are available, battery will be used as back up power.)
- Battery power: AA size alkaline battery x 2
- Battery life: Approximately 1 year
- Outdoor temperature sensor Maximum distance: 300 feet
- Room temperature measurement Display range: 32° to 99°F (0° to 40°C)
- Outdoor temperature measurement Display range: -20° to 130°F (-30° to 55°C)
- Temperature setting range
- Heat: 45° to 90°F (7° to 32°C)
- Cool: 50° to 99°F (10° to 37°C)
- Dimensions: 5.25" x 4.50" x 1.00"
Features and Benefits
- 2H/1C heat pump systems, millivolt compatible
- 5/1/1 or 5/2 day programmable
- Large 4.5 in2 LCD screen with high contrast
- Easy-to-use temperature control and override program schedule
- Progressive memory
- Indefinite setpoint hold
- Displays outdoor temperature with optional outdoor sensor (8052)
- Removable battery cover for easy battery replacement
- Easy-to-wire terminal block
- Permanent memory retention
- Water panel, air filter and service indicators
- Circulate fan mode
- Auto or manual changeover
- Hardwired or battery powered
- 5-year warranty
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