Air Source Heat Pump Water Heater
23
any water flowing from drainage outlet and manual discharge valves A and B, and then close all valves and the
two manual discharge valves.
If the unit need be used again after drainage by the user, the water tank must be charged with water and
then discharge the air before startup of the unit. Please refer to the aforesaid Debugging of Complete Unit for
details.
Notice: If user can not easily operate the unit or there is danger. Please contact with service center.
11 Care and Maintenance
11.1 Periodical Cleaning of Water Tank
In order to ensure water quality of hot water, please periodically clean the water tank.
1) Cut off the power of unit.
2) Close cut-off valve at water inlet of water tank.
3) Open cut-off valve at drainage outlet.
4) Open the cut-off valve at water outlet of water tank and tap or shower at hot water using side to drain
the water tank.
5) Open the cut-off valve at water inlet of water tank and clean the water tank. Close the cut-off valve at
drainage outlet till the water being drained becomes clean.
6) Recharge the water tank with water and then discharge the air in water tank and pipeline according to
Debugging of Complete Unit.
7) After cleaning of water tank, hot water can be used normally.
Instead of magnesian
Magnesian is installed in water tank, in order to protect water tank. Generally, life of them is 2~3 years. In
order to prevent hand is scalded by hot water. Hot water must be letted out before instead magnesian, please
use special implements, when magnesian is replaced.
11.2 Maintenance of Unit
1) Periodically check air inlet/outlet of unit for blockage. If blockage, clean it immediately.
2) Periodically check pipeline between main unit and water tank, waterway at user side, pipe joint and
valve body for damage, blockage or water leakage of each joint. If there is, handle them immediately.
11.3 Disposal
This product must not be disposed together with the domestic waste but to be disposed at an authorized
place for recycling electrical and electronic appliances.
