LG ARUM080LTE5 Engineering Product Data Book page 723

Multi V 5
6. Refrigerant piping Installation
6.2 Connection of Outdoor units
When installing outdoor unit series, refer below picture.
A≥B≥C≥D
① Indoor unit side connection pipe
② Outdoor unit to outdoor unit connection pipe (1st branch)
③ Outdoor unit to outdoor unit connection pipe (2st branch)
④ Outdoor unit to outdoor unit connection pipe (3rd branch)
■ Heat Recovery System
Outdoor unit
2
unit
3
unit
4
unit
For more information including installation method of connection pipe, refer accessory installation manual.
12
A
(Master)
Low Pressure Gas
Model pipe
[unit:mm(inch)]
ⓒ
ARCNB21
ⓑ
ARCNB31
ⓐ
ARCNB41
B C
(Slave1) (Slave2) (Slave3)
Liquid pipe
[unit:mm(inch)]
Installation of Outdoor Units
D
High Pressure Gas
pipe
[unit:mm(inch)]