Braeburn Model 1200 2 Heat/1 Cool Non-Programmable Hardwired Heat Pump Thermostat This thermostat requires 24VAC Common Wire. Does not run on batteries. The digital non-programmable thermostat shall be a Braeburn®, model number 1200, 3.75" high x 4.94" wide x 1.19" deep, powered by 24 Volt AC. The thermostat shall be compatible with multi-stage heat pump systems with up to two stages of heating and one stage of cooling. The thermostat shall have a bright blue backlight display, front loading battery door and separate sub-base for trouble free installation. Temperature control range shall be between 45° and 90° F (7° and 32° C), accuracy of +/- 1° F (+/- .5° C), humidity range between 5% and 95% relative humidity. The thermostat shall include non-volatile memory to retain user settings and auxiliary heat indicator. A front reset button will return user settings to default values when pressed. The thermostat can be mounted to a horizontal junction box. FEATURES: . Bright Blue Display Backlight . AC Powered with Latching Relay Output . Non-Volatile Memory Retains Users Settings . Separate O & B Terminals . Compressor Short Cycle Protection . Adjustable 1st and 2nd Stage Temperature Differential . Auxiliary Heat Indicator . ESD GuardT Electronic Circuitry . Front Access Reset Button . F° / C° Switch . Mount to Horizontal Box SPECIFICATIONS: Dimensions: 3.75" x 4.94" x 1.19" Electric Rating: 24 Volt AC (18-30 Volt AC) 1 amp maximum load per terminal 3 amp total maximum load (all terminals) AC Power: 18-30 Volt AC Compatibility: Multi-stage heat pump systems with up to two stages of heating and one stage of cooling Control Range: 45° to 90° F (7° to 32° C) Display Range: 40° to 99° F (4° to 37° C) Accuracy: +/- 1° F (+/- .5° C) Temperature Differential: 1st Stage - .5°, 1°, or 2° F (.25°, .5°, or 1° C) 2nd Stage - 2°, 3°, 4°, 5°, or 6° F (1°, 1.5°, 2°, 2.5°, or 3° C) Storage Temperature: 14° to 140° F (-10° to 60° C) Operating Humidity: 5% to 95% Relative Humidity Interchangeable Sub-Base: Braeburn 2200 Programmable 2 Heat / 1 Cool Heat Pump Terminations: R, O, B, C, Y1, E, G, W2