18
Maintenance and inspection
Meanings of symbols used in this manual:
Be sure not to do.
Be sure to follow the instruction.
Never insert your finger or stick, etc.
Never step onto the indoor/outdoor unit and do not put anything on them.
Danger of electric shock. Be careful.
Be sure to disconnect the power supply plug from the power outlet.
Be sure to shut off the power.
Risk of fire.
Maintenance
o
Check the water supply to the unit often. Low water flow and air entering into the
system should be
avoided, as this will diminish the units’ performance and reliability.
You should clean the pool/spa filter regularly to avoid damage to the unit as a result
of the dirty or clogged filter.
o
The area around the unit should be dry, clean and well ventilated. Clean the side
heating exchanger regularly to maintain good heat exchange and to save energy.
o
Only a certified technician should service the operation pressure of the refrigerant
system.
o
Check the power supply and cable connection often. Should the unit begin to
operate abnormally, switch it off and contact a qualified technician.
o
In winter, please discharge all water from the water pump and other systems to
prevent damage from freezing.
o
You should discharge the water at the bottom of the heat pump if the unit will not
work for an extended period of time. You should check the unit thoroughly and fill
the system with water fully before using it for the first time after a prolonged period
of no usage.
