8 Maintenance
A regular inspection
,
m
aintenance and care should be performed by professional personnel, which will prolong the
unit's
life span.
8.1 Outdoor heat exchanger
The outdoor
heat exchanger
should
be cleaned once every two months. Use
a
vacuum cleaner with
a
nylon brush
to clean up dust and
small particles
on the surface of
the
heat exchanger. Blow away dust
with
compressed air
,
if available.
Never use water to wash the heat exchanger.
8.2 Drain Pipe
Regularly check if the drain pipe is clogged to drain condensate smoothly.
8.3 Notice before Seasonal Use
(1) Check if the inlet/outlet of the indoor/outdoor unit is clogged.
(2) Check if the ground wire is earthed reliably.
(3) Check if
the
battery of remote wireless controller has been replaced.
(4) Check if the filter screen has been set
correctly.
(5) After
a
long period of
nonuse
, open the main power switch 8 hours before re-operating the unit to
preheat the compressor crankcase.
(6) Check if the outdoor unit is installed
securely
. If there is
anything
abnormal, contact the
appointed service center.
8.4 Maintenance after Seasonal Use
(1) Cut off
the
main power supply
to
the unit.
(2) Clean
the
filter screen and
the
indoor and outdoor units.
(3) Clean the dust and
small particles
on the indoor and outdoor units.
(4) In the event of rusting, use anti-rust paint to stop
t h e
spreading of rust.
8.5 Parts Replacement
Purchase parts from
an
appointed service center or dealer if necessary.
NOTICE!
During
the
airtight and leakage test, never mix oxygen, ethyne and other dangerous gas into
the
refrigeration
circuit. In case of hazard,
it is
better to use nitrogen or refrigerant to
perform the
test.
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