Daikin VRVIII-S, Service Manual

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Precautions for New Refrigerant (R-410A) SiENBE34-703
240 Precautions for New Refrigerant (R-410A)
9. Weigher for refrigerant charge
! Specifications
2
High accuracy
TA101A (for 10-kg cylinder) = ± 2g
TA101B (for 20-kg cylinder) = ± 5g
2
Equipped with pressure-resistant sight glass to check liquid refrigerant charging.
2
A manifold with separate ports for HFCs and previous refrigerants is equipped as standard
accessories.
!
Differences
2
Measurement is based on weight to prevent change of mixing ratio during charging.
10.Charge mouthpiece
! Specifications
2
For R-410A, 1/4"
→
5/16" (2min
→
2.5min)
2
Material is changed from CR to H-NBR.
! Differences
2
Change of thread specification on hose connection side (For the R-410A use)
2
Change of sealer material for the HFCs use.