d) When charging R410A, ensure that only liquid is being withdrawn from the cylinder or can. This is to
ensure that only the original composition of R410A is being delivered into the system. The liquid
composition can be different from the vapor composition.
30
Dip-pipe
Liquid
withdrawal
Invert cylinder
without dip-pipe
f) Normally, the R410A cylinder or can is being equipped with a dip pipe for liquid withdrawal. However, if
the dip pipe is not available, invert the cylinder or can so as to withdraw liquid from the valve at the
bottom.
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