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Cleaning
Descaling
Use dry cloth or wet cloth to dip a little of neutral cleaner to wipe water heater
surface, do not use gasoline or other solvents, mustn't spray water.
According to the local water quality condition, when water heater using a certain time
(usually 1 months), need to remove dirty scale: first turn off the water heater, close
the inlet valve, separate the connection between inlet and outlet, empty inner tank
water. After descaling, reinstall the inner tank connection between inlet and outlet.
Draining
With long-term outage or maintenance, first cut off the power supply, turn off the inlet
water valve, separate the connection between the inlet and outlet water pipe, empty
it by upside down, and reinstall the connection between the inner tank and the
connection between inlet and outlet water pipe. When using again, the inner tank
must be filled with water before connecting the power supply.
Wiring Diagram
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