LG LMU185HV Manuel D'utilisation page 35

Installation
Attention
1. Possible drain-head height is up to
700mm(27 9/16 inch). So, it must be
installed below 700mm(27 9/16 inch).
2. Keep the drain hose downward up to
1/50~1/100 inclination.
Prevent any upward flow or reverse flow in
any part.
3. 5mm(3/16 inch) or thicker formed thermal
insulator is provided for the drain pipe.
4. Upward routing is not allowed.
5. Be sure to check the drain pump for normal
operation and abnormal noise when
electrical wiring is complete.
34 Multi Air Conditioner
1/50~1/100
MAX 700mm
(27 9/16 inch)
Thermal insulator
(Local supply)
Drain pipe
(Local supply)
Unit
Elbow
Drain pump
Wall
Drain hose