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● Connect class I electrical appliances to a power socket with protective earthing.
● Do not block the ventilator of the device with objects, such as newspapers, table clothes or
curtains.
● Do not put open flames, such as a lit candle, on the device.
● When installing the device, make sure the power plug and appliance coupler are easy to reach to
cut off the power.
Maintenance Requirements
● Power off the device before maintenance.
● Mark key components on the maintenance circuit diagram with warning signs.
● When replacing the battery, make sure that the same type is used. Improper battery use might
result in explosion.
IV