Cool Energy XWH-02DHv, Руководство пользователя и обслуживания

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When the unit is in running mode, pressing both arrow keys at
the same time will lock or unlock the keypad.
7. Maintenance and repair
7.1 Maintenance
A. Check the water supply and air vent frequently, to avoid
lack of water or air in the water loop. Clean the water filter
regularly to maintain water quality. Lack of water and dirty
water can damage the unit. The heat pump will start the water
pump every 72 hours when it is not running, to avoid freezing.
B. Keep the unit in a place which is dry and clean, and has
good ventilation. Clean the heat exchanger every 1 or 2 months
to maintain a good heat exchange rate and save energy.
C. Check each part of the unit and the pressure of the system.
Replace any failing part, and recharge the refrigerant if it is
necessary. Check the power supply and the electrical system to
ensure that all is in order. If any part has failed, replace it. It is
also worth checking for any unusual smells that may indicate
parts about to fail.
D. To avoid the freezing, please drain out all the water from the
lowest point of heat exchanger when it stops to run for a long
time or in Winter season. And water re-charge and full
inspection on the heat pump is needed before running.
E. Don’t put power off the unit when it is running regularly.
Otherwise, it should not be under warranty if freezing in split or