3.7 Installation space requirement
If all sides of the ODU (including the top) are surrounded by walls, process according to the
following requirements for installation space:
Fig.3 Fig.4
4 Installation of Electronic Expansion Valve Assy (unit with
external EXV)
The EXV of indoor unit is built-in.
5 Installation of Refrigerant Pipeline
5.1Allowable Length and Height Difference of Connection Pipe
Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is shown in
the figure below:
NOTICE!
Equivalent length of one Y-type branch is 0.5m(1-5/8feet).