... Electric Components -Good Quatity -Modular Type Modular Type Control Box for Cold Storage RoomIntroductionThe DK series cold storage unit ... :Closed compressor B:Semi-enclosed Compressor F-The code of the adopted unit, F:Ari cooled compressor unit B:Water ... defrosting setting, protection, automatic control, etc.4,The control box has indications of power supply, refrigeration, defrosting, and faults ...