LG MULTI V IV PRO ARUN080LLH4 Installation Manual page 36

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
36
- The pipes between the outdoor units must maintain horizontal levelness or give an inclination to
prevent a back flow toward the slave outdoor unit. Otherwise, the unit may not operate prop-
erly.
(Example 1)
Toward indoor unit
(Example 2)
Toward indoor unit
(Example 3)
Toward indoor unit
- Apply Oil Trap as shown below when the length of the pipe between the outdoor units is more
than 2 m. Otherwise, the unit may not operate properly.
(Example 1)
Toward indoor unit
(Example 2)
Toward indoor unit
Pipe inclination (2 or more)
2 m
2 m
2 m
Toward indoor unit
Toward indoor unit
Toward indoor unit
Oil Trap