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Refrigerant piping system
Refrigerant piping system
Refrigerant Pipe Connection
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
H
h
■ 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.
34
Outdoor Unit
Slave 2
A3
Slave 1
A2
F3
F2
F1
E
E2
E1
1
D
a
D
2
b
H1
c
D
3
"a"
d
D
4
D
5
Master
A1
ODU Capacity
Master ≥ Slave1 ≥ Slave 2
A
B1
B
C1
B2
C3
H3
C2
g
D
7
H2
f
e
8
D
6
D
i
"b"
H4
j
G
x
l
m
n
D
9
D
10
11
D
*
k
sealing
12
D
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