1. Temperature information: Setting temperature, current temperature display;
2. Flow information, with water flow switch, water level, alarm and stop to protect if the pipe lack of water;
3.Compressor information: Current, Running situation, power change, if temperature near with user setting, compressor will stop one by one, cooling to user setting, all will stop, when water become warmer the compressor will start one by one, if user no need the full cooling capacity , or repair one of them, they can only running one or two, or three of them, because each compressor circuit system can work alone, so user no need stop production if any problem.
High/Low Pressure protection, Phase-sequencing Protection, Overload Protection, Overheat Protection, Water flow protection, Anti-frozen protection.
Japan Panasonic, USA Copeland, Danmark Danfoss, Germany Bitzer scroll compressor optional