(No refrigerant in the refrigeration cycle)
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.
11.1.5. Evacuation
Procedure:
49
CS-C18DKV CU-C18DKV / CS-C24DKV CU-C24DKV
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