Do not use unqualied refrigerant. Huawei will not be liable for any equipment
damage caused by unqualied refrigerant.
Customers can purchase this material from Huawei or other vendors. Verify that
the refrigerant is authentic in the following ways:
1. Dial the refrigerant manufacturer's hotline to
conrm the refrigerant
authenticity.
2. Place the refrigerant tank indoors for 24 hours. Use a point thermometer to
measure the outer surface temperature of the refrigerant tank, and connect a
pressure gauge to the tank to measure the internal pressure, as shown in
Figure 4-35. Find the saturation pressure corresponding to the measured
outer surface temperature from Table 4-5. If the deviation between the
saturation pressure and the measured internal is greater than 0.2 MPa, the
refrigerant does not meet the requirements, and needs to be replaced.
Figure 4-35 Checking the refrigerant
Table 4-5 Mapping between the saturation pressure and the saturation
temperature for R410A
Saturation
Temperatu
re (°C)
Gauge
Pressure
(MPa)
Saturation
Temperatu
re (°C)
Gauge
Pressure
(MPa)
Saturation
Temperatu
re (°C)
Gauge
Pressure
(MPa)
0 0.7 19 1.31 38 2.21
1 0.73 20 1.35 39 2.27
2 0.75 21 1.39 40 2.33
3 0.78 22 1.4 41 2.39
4 0.81 23 1.47 42 2.45
5 0.84 24 1.51 43 2.51
6 0.87 25 1.56 44 2.57
7 0.9 26 1.60 45 2.63
FusionModule800 Smart Small Data Center
User Manual 4 Installation Guide
Issue 01 (2021-02-05) Copyright © Huawei Technologies Co., Ltd. 120
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