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Haier 3U55S2SR2FA Installation Manual page 19

Multi-split air conditioner
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R32 leakage Test
Items to be strictly observed :
Reasons:
Vacuuming
Vacuum pump with check valve
1.
2.
Standard degree of vacuum for the vacuum pump
3.
Required accuracy of the vacuum gauge
4.
Evacuating time
5.
Operating procedure when the vacuum pump is stopped
Charging Refrigerant
Reasons:
Note
Remedies to be taken in case of a refrigerant leak
Characteristics of the Conventional and the New Refrigerants

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