Carrier X-POWER Series - Page 82

R410a DC Inverter 60Hz Carrier service manual
100 Installation
1.1.2 Select the refrigerant piping
Fig 4-2
Note: In the above drawing, the capacity unit of indoor side is (×100W), and the outdoor side is HP.
Table 4-2
The Pipe Type The Detailed Pipe Place Code
Outdoor unit pipe The pipe between outdoor unit and outdoor branch, pipe between
outdoor branches
g1, g2, g3, G1
Outdoor branch The outdoor branch assy. L, M
The main pipe The pipe between outdoor and the No.1 indoor branch L1
Indoor main pipe The pipe between indoor branches L2~L9
Indoor branch The indoor branch assy. A ~ I
Indoor unit pipe The pipe connecting directly to indoor unit a ~ j
1.1.2.1 Selection of the indoor unit pipes
E.g. The pipe (a ~ j) in the above drawing.
Please refer to the following table.
Table 4-3
The total capacity of Indoor
units(×100W)
When indoor unit pipe length≤32.8ft(10m) When indoor unit pipe length>32.8ft(10m)
Gas side Liquid side Gas side Liquid side
A≤45 Φ1/2(Φ12.7) Φ1/4(Φ6.35) Φ5/8(Φ15.9) Φ3/8(Φ9.53)
A≥56 Φ5/8(Φ15.9) Φ3/8(Φ9.53) Φ3/4(Φ19.1) Φ1/2(Φ12.7)
1.1.2.2 Selection of the branches and indoor main pipe
E.g. The branches (A ~I) and indoor main pipe (L2~L9) in the above drawing.
Please refer to the following table.
Table 4-4
The capacity of downward
indoor units(×100W)
The indoor main pipe dimension in.(mm)
The branches
Gas pipe Liquid pipe
A<166 Φ5/8(Φ15.9) Φ3/8(Φ9.53) BJF-224-CM(i)
166≤A<230 Φ3/4(Φ19.1) Φ3/8(Φ9.53) BJF-224-CM(i)
230≤A<330 Φ7/8(Φ22.2) Φ3/8(Φ9.53) BJF-330-CM(i)
330≤A<460 Φ1-1/8(Φ28.6) Φ1/2(Φ12.7) BJF-710-CM(i)
460≤A<660 Φ1-1/8(Φ28.6) Φ5/8(Φ15.9) BJF-710-CM(i)
N1
(140)
N3
(140)
N5
(140)
N6
(71)
N7
(71)
N9
(56)
N8
(140)
N2
(140)
N4
(140)
N10
(
5
6
)
A
B
E
F
H
G
I
C
D
L1
L2
L3
L4
L5
L6
L8
L9
L7
a b
c
d
e f
g
i
j
h
W
3
(10)
W
2
(12)
W
1
(16)
M
L
g1 g2 g3
G1