LG MULTI V Installation Manual page 41

• The pipes between the outdoor units must maintain level or give an inclination to prevent a back flow toward the slave
outdoor unit. Otherwise, the unit may not operate properly.
(Example 1)
Toward indoor unit
(Example 2)
Toward indoor unit
(Example 3)
Toward indoor unit
• Apply Oil Trap only to gas pipe as shown below when the length of the pipe between the outdoor units is over 2m(6.6ft).
Otherwise, the unit may not operate properly.
(Example 1)
Toward indoor unit
(Example 2)
Toward indoor unit
* Install oil trap if the ODU is at lower level than main piping.
Pipe connections between indoor and outdoor unit
Pipe inclination (2 or more)
≤ 2m(6.6ft)
Oil Trap
2m(6.6ft)
≤
> 2m(6.6ft)
Toward indoor unit
Toward indoor unit
Toward indoor unit
Installation Manual 41