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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 259

60 hz.
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Precautions for New Refrigerant (R-410A)
2. Torque wrench
 Specifications
• Dimension B
Nominal size
1/2
5/8
No change in tightening torque
No change in pipes of other sizes
 Differences
• Change of dimension B
Only 1/2", 5/8" are extended
3. Vacuum pump with check valve
 Specifications
• Discharge speed
50 l/min (50Hz)
60 l/min (60Hz)
• Suction port UNF7/16-20(1/4 Flare)
UNF1/2-20(5/16 Flare) with adaptor
 Differences
• Equipped with function to prevent reverse oil flow
• Previous vacuum pump can be used by installing adaptor.
250
Class-1
Class-2
0.94
1.02
1.06
1.14
Dimension B
 Maximum degree of vacuum
Select a vacuum pump which is able to keep the vacuum degree
of the system in excess of – 14.6 psi (5 torr – 755 mmHg).
Unit:in.
Previous
0.94
1.06
For class-1: R-407C
For class-2: R-410A
Vacuum pump adaptor
Reverse flow preventive
vacuum adaptor
Precautions for New Refrigerant (R-410A)
SiUS34-907

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    RXYQ18PAY6 service manual & vrv Fulform