GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
45
Ⅲ. Allowable pipe length and drop height
among indoor and outdoor units
Y type branch joint is adopted to connected indoor and outdoor units. Connecting method is shown
in the figure below
Remark Equivalent length of one Y-type manifold is about 0.5m.
L10: Length from the first branch to the farthest IDU;
L11: Length from the first branch to the nearest IDU;
Equivalent length of branch of IDU is 0.5m.
Total length (actual length) of fitting pipe
L1+L2+L3+L4+…+L9+a+b+…+i+j
Length of farthest
fitting pipe(m)
Difference between the pipe length from the first branch of IDU
to the farthest IDU and the pipe length from the first branch of
IDU to the nearest IDU
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