Gree Versati II Series 서비스 매뉴얼 - 페이지 17

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Gree Versati II Series에 대해서도 마찬가지입니다: 매뉴얼 (13 페이지)

페이지 인쇄

Charging

valve 1

Notes

Discharge is allowed unless the unit has been stopped. (Cut off the power and repower it 1 minutes

①

later)

Protective measures should be taken during discharging to avoid frost bites.

②

When discharging is finished, if vacuuming cannot be done immediately, remove the hose to avoid air or

③

foreign matters entering the unit.

(2) Vacuuming: When discharging is finished, use hoses to connect the charging valve, manometer and

vacuum pump to vacuum the unit.

Note: when vacuuming is finished, pressure inside the unit should be kept lower than 80Pa for at least 30

minutes to make sure there is no leak. Either charging valve 1 or charging valve 2 can be used for vacuuming.

(3) Charging: when vacuuming is finished and it is certain that there is no leak, charging can be done.

Be sure to charge the specified amount of refrigerant in liquid state.

◆

Since this refrigerant is a mixed refrigerant, adding it in gas form may cause the refrigerant composition to

change, preventing normal operation.

Before charging, check whether the refrigerant cylinder is equipped with a siphon tube or not.

◆

With siphon tube

Test Operation & Troubleshooting & Maintenance

Connection Pipe

Vacuum pump

Pressure Meter

No siphon tube

Charging

valve 2