Samsung AM JXVAF Series Installation Manual page 52

Refrigerant pipe installation
Installing the branch joints
Branch joints must be installed 'horizontally' or 'vertically' .
Horizontal installation
Vertical installation
For A~J type branch joints : Connect the branch joint to the connection pipe with the provided reducer.
For K~Z type branch joints : Cut the connection part of the branch joint or the provided socket, according to the
NOTE
diameter of the connection pipe, before connecting them.
Install the branch joint within ±15° of the horizon or vertical line.
Make sure that the pipe is not bent at where it is connected to the branch joint.
CAUTION
Keep a minimum straight line distance of 500mm (20 inch) or more before connecting branch joint.
Connect to
indoor unit
❋ Install within ±15° of the horizon or vertical line.
52
After branching
Socket
Pipe
Gas side/Liquid side branch joint
Before branching
10mm~15mm (0.39~0.59 inch)
Connect to other branch joint or indoor unit
Pipe connection
Socket
After branching
Pipe (Main pipe)
Minimum straight
line [Over 500mm (20
inch)]