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Gravimeter
Unit
[3] Service tools
Use the below service tools as exclusive tools for R410A refrigerant.
No. Tool name Specifications
Gauge manifold ·Only for R410A
·Use the existing fitting
specifications
. (UNF1/2)
·Use high-tension side pressure of 5.3MPa·G or over.
Charge hose ·Only for R410A
·Use pressure performance of 5.09MPa·G or over.
Electronic scale
Gas leak detector ·Use the detector for R134a, R407C or R410A.
Adaptor for reverse flow check ·Attach on vacuum pump.
Refrigerant charge base
Refrigerant cylinder ·Only for R410A ·Top of cylinder (Pink)
·Cylinder with syphon
Refrigerant recovery equipment
[2] Additional refrigerant charge
When charging directly from cylinder
· Check that cylinder for R410A on the market is syphon type.
· Charging should be performed with the cylinder of syphon stood vertically. (Refrigerant is charged from liquid phase.)