LG MULTI V Installation Manual page 42

Pipe connections between indoor and outdoor unit
• When connecting the pipes between the outdoor units, the accumulation of oil in the slave outdoor unit should be avoided.
Otherwise, the unit may not operate properly.
(Example 1)
Toward indoor unit
(Example 2)
Toward indoor unit
(Example 3)
Toward indoor unit
* The level difference between two outdoor units, h is allowed up to 5m(16.4ft).
42 Outdoor Unit
Toward indoor unit
h
Oil Trap
h
Toward indoor unit
h