SiEN34-705
Precautions for New Refrigerant (R-410A)
Precautions for New Refrigerant (R-410A)
339
2. Torque wrench
!
Specifications
2
Dimension B
Unit:mm
No change in tightening torque
No change in pipes of other sizes
!
Differences
2
Change of dimension B
Only 1/2", 5/8" are extended
3. Vacuum pump with check valve
!
Specifications
2
Discharge speed
"
Maximum degree of vacuum
50 l/min (50Hz)
Select a vacuum pump which is able to keep
60 l/min (60Hz)
the vacuum degree of the system in excess of
2
Suction port UNF7/16-20(1/4 Flare)
–100.7 kPa (5 torr – 755 mmHg).
UNF1/2-20(5/16 Flare) with adapter
!
Differences
2
Equipped with function to prevent reverse oil flow
2
Previous vacuum pump can be used by installing adapter.
Nominal size
Class-1
Class-2
Previous
1/2
24
26
24
5/8
27
29
27
Dimension B
For class-1: R-407C
For class-2: R-410A
Vacuum pump adapter
Reverse flow preventive
vacuum adapter
Vacuum pump with
check valve
Содержание RXYQ5PY1
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