9.1 Maintenance
Keep the surroundings of the heat pump dry, clean
and ventilated. Regularly clean the evaporator to keep
high heat exchanging efficiency.
Check the inside pipe connectors and refrigerant
service port are not dirty with oil. Make sure there is no
The external water filter should be cleaned regularly
refrigerant leakage.
to ensure the cleanness of the water in the system
and avoid damage caused by blockage in the filter.
and shut off thepower supply, and put it into a shield. Full
All protective settings in the unit have been set before inspection of the system is required before next
. Users must not adjust it when
heat pump
exiting the factory the operation.
unit is in use.
Users should call the installer or the seller when there
Regular inspection is required for the power source is an error on the heat pump controller.
and the wiring connection of the electric system. Loose
wiring connection and electric components should be
Clean the condenser with phosphoric acid of 15%
repaired in time.
consistence under temperature of 50C-60C. Run the
circulation pump for 3 hours, and then flush with fresh
water for 3 times.
When installing the pipe, add a 3 way
valve on the pipes and add a cover for cleaning use.
Cleaning the condenser with a corrosive washing liquid
is prohibited.
Check the water pump and the valves on the pipes
, and make sure there is no work properly leakage
from connectors.
22
9. Maintenance and Trouble Shooting
The water supply system, relief valve of the water
tank, water level control device and air discharge
davice. Need to be checked regularly in case of low
circulation and low water volume, which is caused
by air entering the system. This is to ensure the
capacity and reliability of the heat pump.
Clean the inside of the water tank after it has been
used for a period of roughly two months (depending
on the quality of water).
Before turning off the heat pump for an extended
period of time, drain out all the water in the pipes,
The heat pump water heater is an advanced
equipment with high automization. The
reliability and operating life of the heat pump can
be and even increased by regular
inspection and effective maintenance.
guaranteed
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