Heat Pump For Heating And Cooling Series
9. Maintenance and Trouble Shooting
9.1 Maintenance
The
heat
pump
water
heater
is
an
advanced
leakage from connectors.
Keep the surrounding of the heat pump dry,
equipment
with
high
automization
.
The
clean and ventilated. Regularly clean the
reliability and operation life of the heat pump can
evaporator to keep high heat exchanging
be expectedly guaranteed and even increased
efficiency.
by regular inspection and effective maintenance.
Check the inside pipe connectors and refrigerant
The external water filter should be cleaned
service port is dirty with oil. Make sure there is no
regularly to ensure the cleanness of the water in
refrigerant leakage.
the system and avoid damage caused by
blockage in the filter.
Before stopping the heat pump for long time,
drain out all water in the pipes, and shut off the
All protective settings in the unit have been set
power supply, and put it into a shield. Full
before ex-factory. Users must not adjust it when
inspection of the system is required before next
the heat pump unit is in use.
operation.
Regular inspection is required for the power
Users should call the installer or the seller every
source and the wiring connection of the electric
time when there is an error on the heat pump
system. Loose wiring connection and electric
controller.
components should be repaired in time.
Clean the condenser with phosphoric acid of
The water supply system, relief valve of the water
15% consistence under temperature of 50C-60C.
tank, water level control device and air discharge
Run the circulation pump for 3 hours, and then
device need to be checked regularly in case of
flush with fresh water for 3 times. When installing
low circulation water volume caused by air
the pipes, add a 3 way valve on the pipes and
entering the system, to ensure enough capacity
closed on outlet of it, for cleaning use. Corrosive
and reliability of the heat pump.
washing liquid is forbidden to clean the
Check the water pump and the valves on the
condenser.
pipes if they work well, and make sure there is no
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