9.3. Evacuation (Installation)
(No refrigerant in the refrigeration cycle)
Procedure
1. Connect the vacuum pump to the charge set´s centre hose.
2. Evacuation for approximately 1 hour.
•
• •
• Confirm that the gauge needle has moved toward-76cmHg (-0.1Mpa) [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 dose not move
(approximately 5 minutes after turning off the vacuum pump).
4. Disconnect the charge hose from the vacuum.
•
• •
• Vacuum oil
If the vacuum pump oil becomes dirty or depleted, replenish as needed.
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CS-SA9CKP CU-SA9CKP5 / CS-SA12CKP CU-SA12CKP5