Ⅰ Check on safety
Check P/T valve once every month ,Trigger the small handle on the relief valve .If water flows out ,it means that relief valve works normally .If no water please contact the local customer service department .
Attention : water temperature at this valve is very high,so please prevent scalding injury during examination.
Ⅱ Outside cleaning
Disconnect the power supply before cleaning .Avoid water into electric water heater during cleaning .Wash the heater with soft cloth with warm water or mild detergent .Acid ,chemical solvent or abrasive detergent is not allowed .Wipe the product with dry cloth to keep it dry .
Ⅲ Tank cleaning
Clean the cylinder once annually in the area where water quality is good . Clean the cylinder once every 6 months in the area where water quality is bad .Cleaning steps are described in the section ,empty water tank .
Ⅳ Heating tube cleaning
Heating pipe must be cleaned once every two years. Replace the magnesium rod once every two years .User can clean the outside and inner tank while cleaning of heating pipe must be done by qualified technician