Huawei NetCol8000-A013 User Manual page 82

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
2.
3.
Step 7 Commission the humidifier.
1.
2.
3.
4.
Step 8 After the commissioning is complete, remove the device used for charging the
refrigerant, and install the valve bonnet.
Issue 02 (2020-11-09)
Figure 4-11 Charging refrigerant
(1) Electronic balance (2) Refrigerant
cylinder
After the compressor speed stabilizes at 3000 rmp for about 10 minutes,
choose Run > Device Run State to view the Suction Pressure, Discharge
Pressure, and EEV Suct Superheat, and Supercool. Check whether the
suction pressure, discharge pressure, EEV suction superheat degree, and
supercool degree is within the reasonable range.
Table 4-7 Running parameters
Outdoor Normal
Ambient Discharge
Temperatur Pressure
e Range
Below 15°C 1.5–2.5 MPa
15–35°C 1.5–3.1 MPa
35–45°C 2.5–3.8 MPa
Above 45°C 3.1–4.15
MPa
On the diagnostic mode screen, change the compressor input to 0 rpm.
Confirm that the upstream inlet valve of the wet film humidifier is open.
In diagnostic mode, start the wet film humidifier.
Check that the water inlet pipe does not leak during the process.
In diagnostic mode, close the wet film humidifier.
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4 Power-On Commissioning
(3) Pressure gauge
Normal Reasonable
Suction Suction
Pressure Superheat
Range Degree
0.7–1.2 MPa 4–10°C
(4) Needle valve of
gas pipe stop valve
Supercool
3–5°C
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