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16
INSTALLATION TAKE CARE OF YOUR
AIR CONDITIONER
Most of the maintenance work on your air
conditioner, during warranty and
subsequently under the maintenance
contract, will be handled by a trained
technician. However, there are some simple
maintenance jobs that you, as a user, should
carry out on your own.
• Lift the cover by applying gentle
pressure on both sides and lift it
upwards
• The filters will be visible
• Lift the filters slightly upwards
• Pull out the filters
• Wash the filters under a tap until
they are clean
• Do not use detergents for cleaning
the filter.
n Discharge the air of the units:
It can used as vaccum pump.
Remove screw cap of closing valve and
gas charging hole; Open the closing valve
with Allen wrench(turn 90 clockwise),
then push the gas hole for about 10 seconds,
(When a gas like fog appears, it indicates
that the air of unit has been discharged)
put back the screw cap of gas charging hole.
Do the leak test with leak detector or soap water.
n Add refrigerant
• If the connecting pipe is longer than 7 meters, add refrigerant as needed. Add
amount A= (Lm-7m) 15g/m.
(A: add refrigerant amount, L: the length of connecting pipe)
• Add refrigerant with the spring balance, as specified above.
the length of connecting pipe (m) 7 8 9 10
add amount (g) 0 15 30 45
n Test
• Proceed leak test (with leak detector or soap water.) and inspect connecting
cables before test operation.
Test procedure: (Control by emergency operation switch or remote
controller) For detailed operation, see OPERATION OF AIR CONDITIONER
in the manual.
Indoor unit
Liquid pipe
Gas pipe
Gas charging hole
Closing valve
connecting pipe
Bottle of storage refrigerant
Bottle’s valve of storage refrigerant
Outdoor unit
Gas
Charging
Hole
Screw Cap
Screw Cap
Gas connecting
pipe
Liquid connecting pipe Cap
Liquid closing valve
Gas closing
valve
Allen Wrench
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