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Installation procedures
Arrangement of drain hose
Drain hose shall be placed in under place.
There should be a slope when arrange drain hose. Avoid up and down waves in drain
hose.
Indoor unit
Slope
If humidity is high, drain pipe( especially in room and indoor unit ) must be
covered with insulation material.
3. Piping connection of outdoor unit.
Connect the connecting pipe and inlet and outlet liquid pipe according to the
piping method.
4.Purging method
Discharge the air out of the indoor unit and the refrigerant pipe by vacuumizing
(1) Fasten all the nuts of the indoor and outdoor pipes to make these parts out of
leakage.
(2) Under the condition of the complete close of the indoor and outdoor valve center
(both liquid and gas side),dismount the repair valve cap.Vacuumizing through the
charge mouth of the repair valve.
(3) After vacuumizing fasten the repair valve,and dismount the cap of the big and
small stop valve, then loosen the stop valve center completely and fasten the big and
small stop valve.
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