Daikin SkyAir GQI-Eco Series Service Manual page 197

SiBE281013
2. Torque wrench
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3. Vacuum pump with check valve
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Appendix
Specifications
Dimension B
Nominal size Class-1
1/2 24
5/8 27
No change in tightening torque
No change in pipes of other sizes
Differences
Change of dimension B
Only 1/2", 5/8" are extended
Specifications
Discharge speed
50 l/min (50 Hz)
60 l/min (60 Hz)
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.
Precautions for New Refrigerant (R-410A)
Class-2
26
29
For class-1: R-407C
For class-2: R-410A
Dimension B
Vacuum pump adaptor
Reverse flow preventive
vacuum adaptor
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
187