Huawei FusionCol8000-E240 User Manual page 177

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Step 4 Open the low pressure valve of the pressure gauge, and charge the remaining
refrigerant from the low pressure needle valve in small flow or intermittently.
Figure 8-26 Charging the remaining refrigerant
(1) Refrigerant cylinder
(4) Connection nut
Charge refrigerant on the basis of the precharging.
Step 5 On the home screen, choose Running > Device Details > Compressor, and view
Suction pressure and Discharge pressure to determine whether they are within
normal ranges. Choose Running > Device Details > EEV and view EEV suction
superheat degree to determine whether it is within the normal range.
Table 8-8 Proper ranges of discharge pressure
Outdoor
Ambient
Temperature
Below 15°C
15–35°C
35–45°C
Above 45°C
Issue 01 (2021-01-30)
NO TICE
Discharge
Pressure Range
1.5–2.5 MPa
1.5–3.1 MPa
2.5–3.8 MPa
3.1–4.15 MPa
Copyright © Huawei Technologies Co., Ltd.
(2) Electronic balance
(5) Low pressure needle valve
Suction Pressure
Range
0.5–1.2 MPa
8 System Maintenance
(3) Pressure gauge
Suction
Superheat
Degree
5–15°C
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