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2.2 Installation Guideline (Refrigerant Piping)
Refrigerant piping length
Pipe Parts
Pipe
Length
Total length
Equivalent
length
A5VR080~540DR
≤1000m (500m)
(L1+L2+...+
Li+a+b+…+i)*2
Longest pipe length
Actual length
A5VR080~540DR
≤175m (150m)
L1+L2+... +Li+i
Equivalent
length
A5VR080~540DR
≤200m (170m)
Equivalent length from first bifurcation/
refnet to furthest piping section
A5VR080~540DR
≤40m
L2+... +Li+i
Height
difference
Maximum height difference between
indoor units and outdoor unit
A5VR080~540DR
≤50m
-
Maximum height difference between indoor units
≤15m
-
Note: Values in brackets are for A5VR080DR to A5VR240DR (CM series) models.
Bifurcation/
Refnet
Height difference
between indoor units
and outdoor unit
Height difference
between indoor units
