Gree GMV-224WM/B-X, Руководство по обслуживанию

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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.
R410A Refrigerant System
Allowable
Value
Fitting Pipe
Total length (actual length) of fitting pipe
≤1000 L1+L2+L3+L4+…+L9+a+b+…+i+j
Length of farthest
fitting pipe(m)
Actual length
≤165
L1+L6+L7+L8+L9+j
Equivalent length
≤190
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
≤40
L10-L11