LG ARUM080LTE5 Engineering Product Data Book page 736

Multi V 5
7. Refrigerant piping system
7.3 Pipe Connection Method/Precautions for Series connections
between Outdoor units
• Separate Y branch joints are needed for series connections between outdoor units.
• Please refer to the below connection examples to install pipe connections between outdoor units.
7.3.1 Pipe connection between outdoor units (General Case)
7.3.2 Pipes between outdoor units are 2m(6.6ft) or less
7.3.3 Pipes between outdoor units are 2m(6.6ft) or longer
• If the distance between the outdoor units becomes more than 2m(6.6ft), apply Oil Traps between the gas pipes.
• If the outdoor unit is located lower than the main pipe, apply Oil Trap.
Oil Trap
0.2m(0.66ft) or more
2m(6.6ft) or less
2m(6.6ft) or longer
Oil Trap Oil Trap
2m(6.6ft)
2m(6.6ft)
or less
or less
2m(6.6ft) 2m(6.6ft) or longer
or longer
Installation of Outdoor Units
25