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Valve
Liquid
3-2. Use R410A exclusive cylinder only.
Single-outlet valve
(with siphon tube)
Liquid refrigerant should be recharged
with the cylinder standing on end as
shown.
New refrigerant R410A cannot be used for
earlier models
1. Compressor specifications are different.
If recharging a R22 or R407C compressor with R410A,
durability will significantly decrease since some of the
materials used for compressor parts are different.
2. Existing tubing cannot be used (especially R22).
Completely cleaning out residual refrigerating
machine oil is impossible, even by flushing.
3. Refrigerating machine oil differs (R22).
Since R22 refrigerating machine oil is mineral oil, it
does not dissolve in R410A. Therefore, refrigerating
machine oil discharged from the compressor can cause
compressor damage.
R22 refrigerating machine oil Mineral oil (Suniso oil)
R407C refrigerating machine oil Synthetic fluid (ether oil)
R410A refrigerating machine oil Synthetic fluid (ether oil)
R410A