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