HTW -AT-V100MR290A Manuel De L'utilisateur Et D'installation page 95

Keep the unit in a place where it is dry and clean, and which has good ventilation. Clean the
heat exchanger every one to two months.
Check each part of the unit and the pressure of the system. Replace the defect part if there is
any, and recharge the refrigerant if it is required.
Check the power supply and the electrical system, make sure the electrical components are
good, and the wiring is well. If there is a damaged part or a strange smell, please replace it in
time.
If the heat pump is not used for a long time, please drain out all the water from the unit and
seal the unit to keep it good. Please drain the water from the lowest point of the unit to avoid
freezing in winter. Water recharge and full inspection on the heat pump is required before it is
restarted.
Do not turn the power 'OFF' when you use the unit continuously, or the water in the pipe will
freeze and crack the pipe.
Keep the unit clean by means of soft damp cloth, no maintenance is required by the
operator. It is recommended to clean the tank and e-heater regularly to keep an efficient
performance. It is recommended to set a lower temperature to decrease the heat release,
and save energy.
Clean the air filter regularly to keep an efficient performance.
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