Daikin R-410A Service Manual page 216

Precautions for New Refrigerant (R410A)
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.
206
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
50 l/min (50Hz)
60 l/min (60Hz)
UNF1/2-20(5/16 Flare) with adapter
Class-2
26
29
For class-1: R407C
For class-2: R410A
Dimension B
Vacuum pump adapter
Reverse flow preventive
vacuum adapter
) Maximum degree of vacuum
–100.7 kpa ( 5 torr – 755 mmHg)
Precautions for New Refrigerant (R410A)
SiBE39-402A
Unit:mm
Previous
24
27