... protection 3,widely used LYJ Series Mono-blocks for Cold Storage of CondensingThe LYJ series of machine, called Mono block, or integrated unit ... saving in installation, can be widely used for small cooled and cold storage room of Temperature of -5°C~5°C or - 15 ... set, control, and electric heater defrosting.Protection devices for over loading, sub-heating, lack of phase, high & low pressure etc. LYJ ...