LG Multi V Water IV ARWN080LAS4 Manual De Instalación página 18

18
Distribution Method
Horizontal Distribution
Slave
Master
2nd
1st
Slave
Master
2nd
1st 3rd
1st
Main pipe
Distribution
3rd
Main pipe
Distribution
Vertical Distribution
- Ensure that the branch pipes are attached vertically.
Slave
Master
Slave
Master
The others
Slave
Master
Slave
Master
Header
Slave 3rd main pipe distribution
Master
2nd
1st
3rd
Branch pipe Fitting
Y branch
A
- Ensure that the branch pipes are attached horizontally or vertically
(see the diagram below.)
Horizontal
plane
A
Viewed from point A
in direction of arrow
- There is no limitation on the joint mounting configuration.
- If the diameter of the refrigerant piping selected by the procedures
described is different from the size of the joint, the connecting sec-
tion should be cut with a pipe cutter.
- Branch pipe should be insulated with the insulator in each kit.
Liquid and gas
Insulator
pipe joints
(included with kit)
Header
A
B
C
- When the number of indoor units to be connected to the branch
pipes is less than the number of branch pipes available for connection
then cap pipes should be fitted to the surplus branches.
B
- Fit branch pipe lie in a horizontal plane.
Horizontal plane
View from point B in the direction of the arrow
Ⓐ To Branch Piping or Indoor Unit
B
Ⓑ To Outside Unit
Facing Facing
downwards upwards
Within ±10°
Within ±3° Within ±3°
Tape
(field supply)
Insulator for
field piping
Ⓐ To Outside Unit
Ⓑ To Indoor Unit
- The indoor unit having larger ca-
pacity must be installed closer to
Ⓐ than smaller one.
- If the diameter of the refrigerant
piping selected by the proce-
dures described is different from
the size of the joint, the connect-
ing section should be cut with a
pipe cutter.
ⓒ Pipe cutter
- When the number of pipes to be
connected is smaller than the
number of header branches, in-
stall a cap to the unconnected
branches.
Pinched pipe