Vrf or VRV is an air conditioning system configuration
where single outdoor unit is connected with multiple
indoor units.
VRV stands for variable refrigerant volume and VRF
stands for variable refrigerant flow. VRV and VRV are
two different terms for same technology. VRV is a
trademark of Daikin since used 1982 while other
manufacturers use VRF.
In this video is how to VRV/VRF System Schematic
layout | VRV/VRF System Block Diagram As you can
see on the table there are the size of the pipe and the
kg/m for add the refrigerant to each size of the pipe
installation on the site. Please take note that all the
pipe is following the the liquid pipe. After the table I
give you After that I think it is easy for you to
understand of how to calculate the additional
refrigerant charge to the VRV.
your query ____________&&&
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