R410A Refrigerant - Huawei NetCol5000-A050 User Manual

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Item
Engineering
procurement
material

4.2.2.1 R410A Refrigerant

Do not use low-quality refrigerant. Huawei is not responsible for any damage
caused by low-quality refrigerant.
Verify that the refrigerant is authentic in the following ways:
1.
2.
Figure 4-21 Checking refrigerant
Table 4-12 Mapping between temperatures and R410A saturation pressure
Temperatur
e (°C)
0
1
Issue 08 (2021-09-17)
Description
This type of materials is not
configured by Huawei.
Customers need to prepare
them by themselves.
CA UTION
Contact the refrigerant producer to confirm the refrigerant authenticity.
As shown in Figure 4-21, place the refrigerant in an indoor place with
constant temperature and humidity for 24 hours. Then, use a thermometer to
measure the temperature of the refrigerant tank outer surface and connect a
pressure gauge to the pressure tank to measure the internal pressure. Find the
saturation pressure corresponding to the measured outer surface temperature
from Table 4-12. If the deviation between the saturation pressure and the
measured internal pressure is greater than 0.2 MPa, the refrigerant does not
meet the requirements and needs to be replaced.
Saturation
Pressure –
Gauge
Pressure
(MPa)
0.7
0.73
Copyright © Huawei Technologies Co., Ltd.
Temperatu Saturation
re (°C) Pressure –
Gauge
Pressure
(MPa)
19 1.31
20 1.35
4 Installation
Type
Drainpipe, pipe support, and
equipotential ground cable
Temperatu Saturatio
re (°C) n
Pressure –
Gauge
Pressure
(MPa)
38 2.21
39 2.27
52