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