MaIntEnanCEMaintenance84EnglishnamePeriodic maintenance Preventive maintenanceChecklist Check standard CheckperiodPreventivedescriptionPreventiveperiodPressure sensorResistancevalue Should be rated resistance value Everyyear Exchange 5 yearsVisual check No deformationStructural parts Visual check No rust Everyyear Refinishing 13 yearsRefrigerantsystem Visual check No leakage and noise Everyyear Modify 13 yearsChilled/heatingwater systemVisual check Strainer not blocked Everyyear Cleaning 1 yearBrineconcentration Should be below freezing point Everyyear Exchange 1 yearnotE• Preventive maintenance is planned exchange, overhaul, modification, checking, etc. to prevent breakdownbeforehand and maintain the product usable.• Contact the merchandise or service center for periodic maintenance.• Preventive maintenance should be shorter in case of: change of temperature, humidity, and power (voltage,frequency, pulse) is dynamic; operation time is long and exposed to dust, salinity, and oil mist environment;vibration or shock is occurred; and the operation is operating out of range.