MegaLife ARV Series, Service Manual, Page: 23 / 172

MegaLife ARV OUTDOOR UNIT
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ARV 6 ALL DC INVERTER T1 50&60HZ Service Manual
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Φ 41.3 1.5 1.671 0.598
Φ 44.5 1.5 1.823 0.554
3.2.3 If pipes will be stored for a long time , the pipes should be charged into
0.2~0.5MPa N2 and the nozzle should be sealed by welding.
3.2.4 Don’t let dust such as concrete fragment, sand and copper slag ingress into the
system ;
3.2.5 Don’t install pipe while raining to prevent water ingression ; blocking capillary or
expansion valve, generating acid Iron/copper erosion due to refrigerant hydrolysis,
generating foreign matter crystal (cage compounds) due to reaction of refrigeration oil