Panasonic CS-A18CKH Service Manual page 58

CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH
11.1.5. Evacuation
(No refrigerant in the refrigeration cycle)
Procedure:
1. Connect the vacuum pump to the manifold gauge's
centre hose.
2. Evacuation for approximately one hour.
• Confirm that the gauge needle has moved toward -0.01
MPa.
3. Close the valve (Low side) on the manifold gauge, 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 manifold gauge from the vacuum pump.
• Vacuum pump oil.
If the vacuum pump oil becomes dirty or depleted,
replenish as needed.
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