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R410a DC Inverter 60Hz
Carrier service manual
102
Installation
3
g1,g2,g3:
8,10HP: Φ1(Φ25.4)/ Φ1/2(Φ12.7);
12~18HP:
Φ1-1/4(Φ31.8)Φ/Φ5/8(Φ15.9);
G1: Φ1-1/2(Φ38.1)/Φ3/4(Φ19.1)
L+M
:
BJC-03-CM(i)
4
g1,g2,g3,g4
:
8,10HP: Φ25.4Φ/12.7;
12~18HP:Φ1-1/4(Φ31.8)/Φ5/8(Φ15.9);
G1: Φ1-1/2(Φ38.1)/Φ3/4(Φ19.1);
G2: Φ1-5/8(Φ41.3)/Φ7/8(Φ22.2)
L+M+N
:
BJC-04-CM(i)
Notice:
All branches must be purchased from Carrier.
1.1.3 Pipe selection example
Fig 4-3
Notice: Suppose total equivalent pipe length beyond 90m.
1.1.3.1 Select each indoor unit pipe(a~j) according to the table 4-3:
Indoor unit
pipe
capacity of indoor
units (×100W)
Range
Indoor unit pipe length
Pipe size
Gas/liquid
a
140
A≥56
Suppose ≤32.8ft(10m) Φ5/8(Φ15.9)/Φ3/8(Φ9.53)
b
140
A≥56
Suppose ≤32.8ft(10m) Φ5/8(Φ15.9)/Φ3/8(Φ9.53)
c
140
A≥56
Suppose ≤32.8ft(10m) Φ5/8(Φ15.9)/Φ3/8(Φ9.53)
d
140
A≥56
Suppose >32.8ft(10m)
Φ3/4(Φ19.1)/Φ1/2(Φ12.7)
e
140
A≥56
Suppose >32.8ft(10m)
Φ3/4(Φ19.1)/Φ1/2(Φ12.7)
f
71
A≥56
Suppose ≤32.8ft(10m) Φ5/8(Φ15.9)/Φ3/8(Φ9.53)
g
71
A≥56
Suppose ≤32.8ft(10m) Φ5/8(Φ15.9)/Φ3/8(Φ9.53)
h
140
A≥56
Suppose ≤32.8ft(10m) Φ5/8(Φ15.9)/Φ3/8(Φ9.53)
i
56
A≥56
Suppose ≤32.8ft(10m) Φ5/8(Φ15.9)/Φ3/8(Φ9.53)
j
56
A≥56
Suppose >32.8ft(10m)
Φ3/4(Φ19.1)/Φ1/2(Φ12.7)
1.1.3.2 Select main pipe(L1),indoor main pipe(L2-L9),indoor branch(A-I) according to the table 4-4
Indoor main pipe/
indoor branch
Total capacity of
indoor units (×100W)
Range
Pipe dimension
(Gas/Liquid)
Branch
L3/C
N1+N2=280
230≤A<330
Φ7/8(Φ22.2)/Φ3/8(Φ9.53)
BJF-330-CM(i)
N
1
(140)
N
3
(140)
N
5
(140)
N
6
(71)
N
7
(71)
N
9
(56)
N
8
(140)
N
2
(140)
N
4
(140)
N
10
(56)
A
B
E
F
H
G
I
C
D
L
1
L
2
L
3
L
4
L
5
L
6
L
8
L
9
L
7
a
b
c
d
e
f
g
i
j
h
W3
(10)
W2
(12)
W1
(16)
M
L
g1
g2
g3
G1