Refnet Joints And Headers - Daikin VRV IV RXYQ TYDN Series Engineering Data

REFNET Pipe System
4.2

REFNET Joints and Headers

4.2.1 REFNET Joints
For gas and liquid branch pipes
 Make sure that all branch pipes are fitted such that they branch either horizontally or vertically.
 When the size of the selected field piping is different from that of branch pipe then the connecting section should be
cut with a pipe cutter as shown in the figure below.
 When you are cutting an inlet or outlet pipe with a pipe cutter make sure that you make the cut in the center of the
connection area.
 Branch pipes must be insulated in accordance with the handbook which comes with each kit.
4.2.2 REFNET Header
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EDUS341411-N
Installation of Outdoor Units