LG Multi V CRUN Series

Installation Manual 27
Refrigerant piping installation
ENGLISH
◆ Indoor Unit Connection
◆ Distribution Method
Line Distribution
With line distribution method, it is possible to make the first or the second main pipe distribution within the
third branch, And do not make the main pipe distribution, at or after the fourth branch.
Note-
Main Pipe Distribution : Distribution from One Multi-kit to Two Multi-kits(mark with a circle)
➲ Indoor unit connecting pipe from branch (a,b,c,d,e)
Total pipe length ≤ 220m Total pipe length ≤ 100m
Downward indoor unit total capacity
[kW(Btu/h)]
2.1(7,000), 2.6(9,000), 3.5(12,000)
5.3(18,000), 7.0(24,000), 8.2(28,000)
10.5(36,000), 12.3(42,000), 14.0(48,000)
Ø6.35(1/4)
Ø9.52(3/8)
Ø9.52(3/8)
Ø12.7(1/2)
Ø15.88(3/8)
Ø19.05(3/4)
Liquid pipe
[mm(inch)]
Gas pipe
[mm(inch)]
A
L 100m
50m
l 30m
H
D
D
G
15m
h
d e
b
a
2
1
E
F
D D
4
D
35
X
c
C
B
C
A
B
A
L 70m
30m
l 30m
H
D
D
G
12m
h
d e
b
2
1
E
F
D D
4
D
35
X
c
C
B
C
A
a
B
1st
2nd
3rd
Correct
better
1st
2nd
3rd
Incorrect
Incorrect
1st
2nd
3rd
Correct
permit
Incorrect
2nd
Main Pipe
Distribution
1st
Main Pipe
Distribution
1st
2nd
3rd 4th
2nd
Main Pipe
Distribution
Incorrect
1st
Main Pipe
Distribution