Commissioning The Cooling System - Huawei FusionModule500 V100R021C10 User Manual

FusionModule500 Smart Mini Data Center
User Manual

5.2.3 Commissioning the Cooling System

Prerequisites
Check that the smart cooling product is properly powered on.
Before starting the compressor after power-on, ensure that the electric heating
belt of the crankcase has been preheated for more than 12 hours.
Context
High-quality refrigerant R410A is recommended.
Wear antifreeze gloves when performing refrigerant related operations.
The following are the tools used for commissioning and refrigerant charging:
●
●
●
●
To learn the mapping between the saturation pressure and the saturation
temperature of the R410A refrigerant, see
Table 5-2 Mapping between the saturation pressure and the saturation
temperature for R410A
Saturation
Temperatu
re (°C)
0
1
2
3
4
5
6
Issue 01 (2020-11-30)
NO TICE
CA UTION
Charging tools: pressure gauge (measuring range ≥ 4.0 MPa), rubber hose
(withstand pressure ≥ 4.5 MPa), vacuum pump
Measurement tool: electronic balance
Protective tools: insulation gloves, antifreeze gloves, and insulation shoes.
Other tools: flashlight
Gauge
Pressure
(MPa)
0.7
0.73
0.75
0.78
0.81
0.84
0.87
Copyright © Huawei Technologies Co., Ltd.
Table 5-2.
Saturation Gauge
Temperatu Pressure
re (°C) (MPa)
19 1.31
20 1.35
21 1.39
22 1.4
23 1.47
24 1.51
25 1.56
5 Power-On Commissioning
Saturation Gauge
Temperatu Pressure
re (°C) (MPa)
38 2.21
39 2.27
40 2.33
41 2.39
42 2.45
43 2.51
44 2.57
114