Air Source Heat Pump Water Heater
38
(3) When the unit is not to be used for a long period, drain the water tank
and pipe according to discharge operation, otherwise, water system will
be damaged. After draining water and to reuse the unit again, pours
water to the water tank fully before starting up. Please refer to water
input and drainage operation of the water tank.
Warm hint:
If it
’s not convenient for operation or there’s hazard, please contact the local
appointed dealer or appointed service center directly. We will appoint profession
persons to check, debug and clean the unit, and discharge water and fill the
water tank with water for you.
16 Maintenance
16.1 Water Input and Drainage of Water Tank
(1) Operation process for water input on the water tank
1) Cut off the power supply and open the cut-off valve at the water inlet
of the tap faucet;
2) Open the cut-off valve at the hot water drain outlet and valve in user
water use site;
3) Close the valve in user water use site when water is flowing out from
user water use site;
4) Complete water input operation and reenergize the unit.
(2) Operation process for drainage on the water tank
1) Cut off the power supply and close the cut-off valve at the water
outlet of the tap faucet;
2) Open the cut-off valve at the hot water drain outlet and valve in user
water use site;
3) Open the cut-off valve on the joint (3-way) pipe;
4) Close the drainage cut-off valve after draining water on the water tank
to complete drainage operation.
16.2 Periodic Cleaning for Water Tank
Please clean the water tank periodically to get good-quality water according
to the following steps:
(1) Cut off the power supply.