8.3 Evacuation
(All amount of refrigerant leaked)
• Procedure
¤ Connect the vacuum pump to the center hose of charge set.
¤ŁEvacuation for approximately one hour.
- Confirm that the gauge needle has moved toward -76cmHg (vacuum of 4 mmHg or less).
¤ØClose the valve (Lo 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).
¤ŒDisconnect the charge hose from the vacuum pump.
- Vacuum pump oil.
If the vacuum pump oil gets dirty or depleted, replenish as needed.
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