Fig.4
Fig.5
Fig.6
Fig.7
Fig.8
Fig.3
Outdoor
unit
L1
A
A
B
L2
L3
L4
BABH002NF-D2
N1
N1
N2 N3
b
a
N6
f
N7
g
N8
h
N9
i
c
N4
d
N5
e
BABH002NF-D2
H1
Y-branch joint
Indoor unit
Branch header
Installation Precaution
>0.5
m
Indoor unit
Indoor unit
Indoor unit
Capped
>0.5
m
N
1
N
2
N
3
N
5
BABH002NF-D2
A
N
4
N
1
N
2
N
3
BABH002NF-D2
N
4
N
5
N
6
BABH002NF-D2
N
7
Outdoor
unit
Outdoor
unit
The straight horizontal pipe’s distance between two adjacent branch pipes should ≥0.5m.
The straight horizontal pipe’s distance which indoor unit connecting behind the branch pipe should ≥0.5m.
For unused branch pipe, the pipe orifice should be sealed see fig.6.
Each branch can connect one indoor unit only see fig.7; it cannot connect to another branch joint see fig.8.
2
