LG Multi V ARUB Series - Refrigerant Piping System

34 Outdoor Unit
Refrigerant piping system
3 Outdoor Units
Example : 12 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Connection branch pipe between Outdoor units : ARCNB31
Ⓕ : Connection branch pipe between Outdoor units : ARCNB21
Ⓖ : Header
Ⓗ : HR Unit
A1
H1
D
1
2
D
D
D
3
4
E1
E2
A
F3
C1
B
C2
C3
*
B1
B2
A2
A3
a
b
c
d
e
g
j
k
x
l
m
n
sealing
f
i
H
h
"a"
"b"
F2
F1
E
H2
H4
G
H3
Master
Slave 1
Slave 2
■ Case 1 ("a")
: Maximum height is 15m if you install with Y branch.
■ Case 2 ("b")
: Maximum height is 5m in serial connection of HR units.
ODU Capacity
Master ≥ Slave1 ≥ Slave 2
D
5
D
6
D
7
D
8
D
10
D
9
D
11
D
12
Refrigerant Pipe Connection
Refrigerant piping system