Carrier Xpower Series - Size of joint pipes for outdoor unit

14
Installation manual
5.3 Select the refrigerant piping type
5.4 Size of joint pipes for outdoor unit
Base on the following tables, select the diameters of the outdoor
unit connective pipes. If the main accessory pipe is larger than the
main pipe, select the larger.
Example: parallel connection of three outdoor units 12+12+22
(total capacity 46 HP). The total capacity of the indoor units is
1,290, if the equivalent length of all pipes is ≥90 m. According to
Tab.5-5, the main pipe’s diameter is Φ38.1/Φ22.2. The master
unit’s diameter is Φ38.1/Φ19.1 based on Tab.5-3. Select the
largest. The main pipe’s diameter is Φ38.1/Φ22.2.
Model
Gas side Liquid side
Φ22.2
Φ22.2
Φ25.4
Φ28.6
Φ28.6
Φ28.6
Φ31.8
Φ41.2
Φ9.53
Φ9.53
Φ12.7
Φ12.7
Φ15.9
Φ15.9
Φ19.1
Φ22.2
When the equivalent length of all liquid
pipes < 90 m, the size of the main pipe (mm)
8HP
10HP
12~14HP
16HP
18~22HP
24HP
26~34HP
52~66HP
Φ38.1
Φ19.1
36~50HP
Size of joint pipes for 410A outdoor unit
Table.5-4
BJF-330-CM(i)
BJF-330-CM(i)
BJF-330-CM(i)
BJF-710-CM(i)
BJF-710-CM(i)
BJF-710-CM(i)
BJF-710-CM(i)
BJF-1344-CM(i)
BJF-E1344-CM(i)
Model
Gas side Liquid side
Φ22.2
Φ25.4
Φ28.6
Φ31.8
Φ31.8
Φ31.8
Φ38.1
Φ44.5
Φ12.7
Φ12.7
Φ15.9
Φ15.9
Φ19.1
Φ19.1
Φ22.2
Φ25.4
When the equivalent length of all liquid
pipes ≥ 90m, the size of main pipe(mm)
8HP
10HP
12~14HP
16HP
18~22HP
24HP
26~34HP
52~66HP
Φ38.1
Φ22.2
36~50HP
Size of joint pipes for 410A outdoor unit
Table.5-5
BJF-330-CM(i)
BJF-330-CM(i)
BJF-710-CM(i)
BJF-710-CM(i)
BJF-710-CM(i)
BJF-710-CM(i)
BJF-1344-CM(i)
BJF-1344-CM(i)
BJF-E1344-CM(i)
The 1st branch joint
The 1st branch joint
5.5 Branch pipes for outdoor unit
Table.5-6
8~12HP
14~22HP
Model
Φ25.4 Φ12.7
Φ31.8 Φ15.9
Gas side
Liquid side
Outdoor unit pipe connection
opening dimension (mm)
Φ44.5
Φ25.4
68~88HP
BJF-E1344-CM(i)
Φ54.0
Φ25.4
68~88HP
BJF-E1500-CM(i)
Fig.5-3
N1
(140)
N4
(140)
N7
(140)
N8
(140)
N10
(28)
N12
(56)
N11
(140)
N3
(71)
N6
(28)
N13
(56)
A
B
G
H
K
I
L
C
E
L1
L2
L3
L5
L7
L8
L11
L12
L9
a
c
d
f
g h
j
l
m
k
M
L
g1 g2 g3
G1
W3
(12)
W2
(12)
W1
(22)
D
N
2
(140)
b
L4
N5
(140)
F
L6
e
N
9
(71)
i
J
L10