Gree GMV series

GMV DC Inverter VRF
15
4.3.3 Allowable pipe length and drop height among indoor and outdoor units
Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is
shown in the figure below.
Remark: Equivalent length of one Y-type manifold is about 0.5m (1-3/4ft.).
Unit: m (ft.)
Fig.22
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 (1-3/4ft.).
.
R410A Refrigerant System
Allowable Value m(ft.)
Fitting Pipe
Total length (actual length) of fitting pipe
≤1000(3280-3/4)
L1+L2+L3+L4+…+L9+a+b+…+i+j
Length of farthest
fitting pipe m(ft.)
Actual length
≤165(541-1/4)
L1+L6+L7+L8+L9+j
Equivalent length
≤190(623-1/4)