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Selection of pipe materials and size
◆Selection of pipe material
Material: Phosphorus deoxidation seam-less pipe
Minimum wall thickness for R32 application
Table 1
Soft
Harf Hard or Hard
OD (Inch)
OK
OK
1/4"
OK
OK
3/8"
OK
OK
1/2"
OK
OK
5/8"
◆Capacity code of indoor and outdoor units
• For the indoor unit, the capacity code is decided at each capacity rank.
• The capacity codes of the outdoor units are decided at each capacity rank.
The maximum No. of connectable indoor unit and the total value of capacity codes of the indoor units
are also decided.
Table 2
Indoor unit capacity type
Equivalent to HP
003 type
0.3
005 type
0.6
007 type
0.8
008 type
0.9
009 type
1.0
010 type
1.1
012 type
1.25
014 type
1.5
015 type
1.7
017 type
1.85
018 type
2.0
020 type
2.25
024 type
2.5
027 type
3.0
030 type
3.2
034 type
3.6
036 type
4.0
042 type
4.5
048 type
5.0
056 type
6.0
55-EN
OD (mm)
Minimum wall thickness (mm)
6.35
0.80
9.52
0.80
12.70
0.80
15.88
1.00
Capacity code
Equivalent to capacity
0.9
1.7
2.2
2.5
2.8
3.2
3.6
4.0
4.5
5.0
5.6
6.3
7.1
8.0
9.0
10.0
11.2
12.5
14.0
16.0
Table 3
Capacity code
Outdoor unit
capacity type
Equivalent to
Equivalent to
HP
capacity [kW]
0401 type
4
12.1
0501 type
5
14.0
0601 type
6
15.5
When only 003 type (0.3HP) indoor units are connected, refer to the table below.
Table 4
Capacity code
Outdoor unit
capacity type
Equivalent to
Equivalent to
HP
capacity [kW]
0401 type
4
12.1
0501 type
5
14.0
0601 type
6
15.5
– 28 –
Total capacity code of connectable
indoor units
No. of connectable
indoor units
Min. (HP)
Max. (HP)
2 to 8
3.2
2 to 10
4.0
2 to 13
4.8
Total capacity code of connectable
indoor units
No. of connectable
indoor units
Min. (HP)
Max. (HP)
4 to 8
1.2
4 to 10
1.2
4 to 13
1.2
5.2
6.5
7.8
2.4
3.0
3.9
EN
56-EN
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