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u Designed for control multistage cooling/heating systems with a heat pump
u Control up to 2 stages cooling /3 stages heating with an aux. electric heater
uA single speed or 3-speed interior fan control selectable.
Also fan-on or fan auto selectable by end users.
u LCD can display working status such as room temperature, set point, fan speed and so on. Makes reading and operating easy and accurate.
u All models feature user-friendly setting buttons
u Compressor shortest cycle protection makes the AC systemsafeguard and life longer.
uSpecial external auxiliary contact and fault alarm for some models, it can not only give a fault alarm by the buzzer when check AC fault but also stop the AC working.
u 1st and 2nd stage temperature differentials set by user
u Heating/Cooling auto changeover or manual switch selectable
u Programmable (optional) 5/2 days weekly programmable with four times periods of turning on/turning off the thermostats. 5/2 days weekly programmable with four times periods and four temperatures.
u Low Temperature Protection
u External Temperature Sensor (Optional)
u nfrared Remote Control (optional)
u RS485 communication interface (optional)
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