Refrigerant Oil; Pipe Components - Huawei NetCol5000-A035 User Manual
In-row air cooled smart cooling product
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NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width)
Temperature
(°C)
10
11
12
13
14
15
16
17
18
3.1.2.2 Refrigerant Oil
The recommended refrigerant oil is Danfoss 160SZ. You can purchase it from
Huawei, or purchase it by yourself after being confirmed by Huawei.
3.1.2.3 Pipe Components
Pipe components are optional and include:
●
●
●
●
Issue 17 (2020-10-22)
Saturation
Pressure-
Surface
Pressure
(MPa)
0.99
1.02
1.05
1.09
1.12
1.16
1.19
1.23
1.27
NO TE
If the low-temperature component is connected, additional refrigerant oil. If not, ignore the
refrigerant oil.
Liquid pipe: copper pipe (for R410A) external diameter: 5/8 inch; thickness: 1.0
mm; pressure tolerance range: ≥ 4.5 MPa.
Gas pipe: copper pipe (for R410A) external diameter: 7/8 inch; thickness: 1.2
mm; pressure tolerance range: ≥ 4.5 MPa.
Thermal insulation foam: thickness ≥ 13 mm.
Oil traps and inverted traps: To ensure the NetCol5000-A reliability, make an
oil trap every 5 m to 6 m along pipes in the vertical direction and make an
inverted trap respectively at the intake vent and exhaust vent of the outdoor
unit.
Figure 3-2
shows the specifications for the oil traps and inverted traps.
Copyright © Huawei Technologies Co., Ltd.
Temperatur
Saturatio
e (°C)
n
Pressure-
Surface
Pressure
(MPa)
29
1.74
30
1.79
31
1.84
32
1.89
33
1.94
34
1.99
35
2.04
36
2.1
37
2.15
3 Installation Guide
Temperatu
Saturati
re (°C)
on
Pressur
e-
Surface
Pressur
e (MPa)
48
2.83
49
2.9
50
2.97
51
3.04
52
3.11
53
3.19
54
3.26
55
3.34
N/A
N/A
30
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