LG L3-C363LA0 Service Manual page 54

Installation
(7) Maximum Length of Pipe and Freon Extra Charge
Multi Piping Type
Max total length
Capacity(Btu/h) of all pipes
(A+B+C)
45m
36k
(150ft)
Indoor Capacity
(Btu/h)
12K
CAUTION: Capacity is based on standard length and maximum allowance
length is on the basis of reliability. Oil trap should be installed every 5~7
meters (16.4~23.0ft).
54 MPS Multi Air Conditioner
Max length of
each pipe
(A/B/C)
15m
(50ft)
Gas Liquid
1/2" 1/4"
A
h1
h1
Oil trap
B
Max Elevation
Min length of
between each
each pipe
indoor unit and
(A/B/C)
outdoor unit (h1)
3m 7.5m
(10ft) (25ft)
Pipe Size
Standard Length
7.5m
(25ft)
h1
C
Max elevation
between indoor
units (h2)
7.5m
(25ft)
Additional
Refrigerant
30g/m
(0.32oz/ft)
h2
h2