Huawei NetCol5000-A050 User Manual page 146

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual (1350 mm Depth)
Step 4 On the home screen, choose Running > Device Details > Compressor, and view
Discharge pressure and Suction pressure to determine whether they are within
normal ranges.
Outdoor Ambient
Temperature
< 15°C
15–35°C
35–45°C
> 45°C
If the suction pressure and discharge pressure are not within the normal range,
check the following items:
1.
2.
Step 5 After charging refrigerant, close all valves.
Step 6 On the home screen, choose Maint > Diagnostic Mode > Exit and confirm the
operation.
Step 7 Tap Shutdown on the home screen.
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Issue 04 (2022-12-15)
Figure 6-21 Charging refrigerant (with a low temperature component)
(1) Electronic balance
(4) Pressure gauge 2
(7) Discharge pipe needle
valve
Refrigerant has been charged as required. If the refrigerant is overfilled, the
discharge pressure is high. If the refrigerant is underfilled, the discharge and
suction pressures are low.
The air intake and exhaust vents of the outdoor unit are not blocked. If the air
intake vent and air exhaust vent are blocked, the discharge pressure will be
high.
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(2) Refrigerant cylinder
(5) Connection nut
(8) Liquid pipe needle valve
Normal Discharge
Pressure Range
1.5–2.5 MPa
1.5–3.1 MPa
2.5–3.8 MPa
3.1–4.15 MPa
6 Power-On Commissioning
(3) Pressure gauge 1
(6) Low-pressure needle
valve
Normal Suction
Pressure Range
0.7–1.2 MPa
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