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Midea R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual MCAC-HTSM-201506
59
C1:
Compressor current is less than 2A during operation
5. Maintenance
All the safety protection devices in the unit will be set before leaving the factory, the user can not
adjust or remove them, in case to damage the unit.
First switch on the unit or switch off the power for a long-term stop (More than 1 day) and then
re-power on, it should prior to connect to the supply from the compressor operation.
Please do not place other obstacles on the unit, it should keep dry and clean and well ventilated
around the unit. When the heat exchanger has dust, it should be immediately cleaned, in case to
affect the unit capacity or cause the unit stops for the protection.
Periodically clean the filter in the water system, for avoiding blocking and damage the unit or
cause unit protection, and it should ofter check the water replenishing system devices whether
are normal.
When the ambient temperature is below zero, it is forbidden to cut off the power, otherwise, the
anti-freezing function will ineffective.
For long-time not use the unit, drain off the water in the unit and pipeline system, and open the
water plug on the water tank to drain off the water, incase the unit been frozen.
Please do not frequentyly on and off the unit, please do not manual cut-off the manual adjust
valve during the unit is operating.