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3 Diameter of the piping from the 1st branch pipe and indoor unit.( 3 )
4 The piping diameter between the last branch pipe and the indoor unit ( 4 )
Indoor Unit Type
Compact Ducted Indoor Unit
Medium ESP Ducted Indoor Unit
High ESP Ducted Indoor Unit
Floor Concealed Indoor Unit
Round-way Cassette Indoor Unit
2-way Cassette Indoor Unit
High Wall Indoor Unit
Fresh Air Ducted Indoor Unit
(
)
3
First Branch Pipe
Downstream Indoor
Unit Capacity (kW)
Q≤15.9
16≤Q<25
25≤Q<33.5
33.5≤Q<45
45≤Q<50
50≤Q<72.9
72.9≤Q<100.8
100.8≤Q<156.8
156.8≤Q<190.4
190.4≤Q<207.2
207.2≤Q<252
252≤Q<274.4
274.4≤Q<349.5
The Outdoor
Unit A
(
)
6
La
(
)
6
1
5
(*1)
Branch pipe 2
2
Branch
pipe 1
(*2)
3
3
L3
4
3
Indoor Unit
3
L3
4
Indoor Unit
Gas Pipe
Liquid Pipe
15.88
9.52
19.05
9.52
22.2
9.52
25.4
12.7
28.58
12.7
28.58
15.88
31.75
19.05
38.1
19.05
44.45
19.05
44.45
22.2
50.8
22.2
50.8
25.4
50.8
28.58
Indoor Unit Model
Gas Pipe
18~45
50~56
63~160
22~63
71~160
65,108
168
210
300,400
500,600
The Outdoor
The Outdoor
Unit B
Unit C
Lc
Lb
1
1
(
)
6
5
Branch pipe 3
(*4)
L3
4
L3
4
Indoor Unit
Last ID Unit
(*4)
L2
L3
4
L3
4
Indoor Unit
Last ID Unit
35
Liquid Pipe
12.7
6.35
（*5）
15.88
6.35
（*5）
15.88
9.52
12.7
6.35
（*5）
15.88
9.52
15.88
9.52
19.05
9.52
22.2
9.52
25.4
12.7
28.58
15.88
The Outdoor
Unit D
H5
Ld
1
H1
H2
L1
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