Mitsubishi Electric City Multi PQHY-P72 Service Handbook page 10

I Read Before Servicing
[1] Read Before Servicing....................................................................................................... 3
[2] Necessary Tools and Materials ......................................................................................... 4
[3] Piping Materials ................................................................................................................. 5
[4] Storage of Piping ............................................................................................................... 7
[5] Pipe Processing................................................................................................................. 7
[6] Brazing............................................................................................................................... 8
[7] Air Tightness Test.............................................................................................................. 9
[8] Vacuum Drying (Evacuation) ........................................................................................... 10
[9] Refrigerant Charging ....................................................................................................... 11
[10] Remedies to be taken in case of a Refrigerant Leak....................................................... 11
[11] Characteristics of the Conventional and the New Refrigerants ....................................... 12
[12] Notes on Refrigerating Machine Oil................................................................................. 13
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