20.3. Refrigerant charging
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• •
• For twin and triple-type systems
The pipe length is the total of the branch pipe (L) and the junction pipes (la → lb → lc in order from the thickest diameter). At
the point where the pipe length exceeds 30 m, determine the amount of refrigerant for the remaining liquid-side pipe diameters
and pipe lengths from the following table in order to charge the system.
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