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[9] Refrigerant Charging
Cylinder with a siphon
Cylin-
der
C
y
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r e
1. Reasons
R410A is a pseudo-azeotropic HFC blend (boiling point R32=-52 C[-62 F], R125=-49 C [-52 F]) and can almost be handled
the same way as a single refrigerant, such as R22. To be safe, however, draw out the refrigerant from the cylinder in the liquid
phase. If the refrigerant in the gaseous phase is drawn out, the composition of the remaining refrigerant will change and be-
come unsuitable for use.
2. Notes
When using a cylinder with a siphon, refrigerant is charged in the liquid state without the need for turning it upside down. Check
the type of the cylinder on the label before use.
[10] Remedies to be taken in case of a Refrigerant Leak
If the refrigerant leaks out, it may be replenished. The entire refrigerant does not need to be replaced. (Charge refrigerant in the
liquid state.)
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Cylinder without a siphon
Cylin-
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