Refrigerant charge

[Anastasios]

How to calculate the refrigerant mass in A/C unit 10kw.
Does need to know and the evaporator coil size;
Please advise

[Brian_UK]

Read the data plate or check with the manufacturer.

There is no easy way to calculate the amount of refrigerant required.

[manender]

hi,

the suffiecient amount of gas is inside the compressor in vrv system, and additional gas is depends on length of liquid pipe. if there is chiller system same condition applies and compressor's gas amount is volume of the system.