Panasonic CS-C9BKNG Service Manual page 50

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 needed.
11.1.6. Gas charging
(After Evacuation)
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