Procedure:
1. Confirm that both the 3-way valves are set to the open position.
2. Connect the charge set to the 3-way valve’s service port.
- Leave the valve on the charge set closed.
- Connect the charge hose with the push-pin to the service port.
- Confirm whether the pressure indicates more than 0.1 MPa (1
kg/cm
2
G).
3. Connect the charge set’s centre hose to refrigerant reclaiming
equipment.
4. Open the valve (Low side) on the charge set and loosen the hose
connected with the Refrigerant Reclaiming Equipment to purge
the air from the hose.
5. Turn on refrigerant reclaiming equipment to collect the refrigerant
until the needle indicates 0 (no refrigerant is remaining).
11.5. Evacuation
(No refrigerant in the refrigeration cycle)
53
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