Huawei NetCol8000-A013 User Manual page 83

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
(1) Electronic
balance
2.
Table 4-7 Running parameters
Outdoor
Ambient
Temperature
Below 15° C
15–35° C
35–45° C
Above 45° C
3.
Step 7 Commission the humidifier.
1.
2.
3.
4.
Issue 05 (2019-12-20)
Figure 4-11 Charging refrigerant
(2) Refrigerant
cylinder
After the compressor speed stabilize 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 is within reasonable range.
Normal
Discharge
Pressure
Range
1.5–2.5 MPa
1.5–3.1 MPa
2.5–3.8 MPa
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.
The water supply valve opens and water is charged into the humidification tank
automatically. After the water level reaches a threshold, the water supply valve closes
and the humidifier pump is open. You need to check that the water inlet pipe does not
leak during the process.
In diagnostic mode, close the wet film humidifier.
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(3) Pressure
gauge
Normal Reasonable
Suction Suction
Pressure Superheat
Range Degree
0.7–1.2 MPa 4–10° C
4 Power-On Commissioning
(4) Low-pressure needle
valve
Supercool
3–5° C
76