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1) Designed for control multistage cooling/heating systems with a heat pump
2) Control up to 2 stages cooling /3 stages heating with an aux. Electric heater
3) A single speed or 3-speed interior fan control selectable. Also fan-on or fan auto selectable by end users.
4) LCD can display working status such as room temperature, set point, fan speed and so on. Makes reading and operating easy and accurate.
5) All models feature user-friendly setting buttons
6) Compressor shortest cycle protection makes the AC system safeguard and life longer.
7) Special 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. d
8) 1st and 2ND stage temperature differentials set by users
9) Heating/Cooling auto changeover or manual switch selectable
10) 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.
11) Low Temperature Protection
12) External Temperature Sensor (Optional)
13) Infrared Remote Control (optional)
14) RS485 communication interface (optional)