Service manual
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8.8 Evacuation
Procedure:
1. Connect the vacuum pump to the charge set’s centre hose.
2. Evacuation for approximately one hour.
Confirm that the gauge needle has moved toward -0.1 Mpa (-76 cmHg) [vacuum of 4 mmHg or less].
3. Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that the
gauge needle does not move (approximately 5 minutes after turning off the vacuum pump).
4. Disconnect the charge hose from the vacuum pump.
Vacuum pump oil, if the vacuum pump oil becomes dirty or depleted, replenish as needle.
Summary of Contents for MSG-24CRN2
Page 1: ...MSG 24CRN2 MSG 24HRN2 MSG 30CRN2 MSG 30HRN2...
Page 2: ......
Page 13: ...Service manual 9 5 Refrigerant cycle diagram Cooling only Heat pump mode...
Page 15: ...Service manual 11 7 Schematic diagram and Wiring diagram 7 1 Schematic diagram...
Page 16: ...Service manual 12 7 2 Wiring diagram 7 2 1 Cooling mode MSG 24CR MSG 30CR...
Page 17: ...Service manual 13 7 2 2 Heating mode MSG 24HR MSG 30HR A1 A2...
Page 18: ...Service manual 14 7 2 3 Cooling mode 3 Ph MSG 30CR 3ph...
Page 19: ...Service manual 15 7 2 4 Heating mode 3 Ph MSG 30HR 3ph 1 7 3 4 5 6 2...
