NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
4 Power-On Commissioning
Issue 05 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
76
Figure 4-11
Charging refrigerant
(1) Electronic
balance
(2) Refrigerant
cylinder
(3) Pressure
gauge
(4) Low-pressure needle
valve
2.
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.
Table 4-7
Running parameters
Outdoor
Ambient
Temperature
Normal
Discharge
Pressure
Range
Normal
Suction
Pressure
Range
Reasonable
Suction
Superheat
Degree
Supercool
Below 15°C
1.5–2.5 MPa
0.7–1.2 MPa
4–10°C
3–5°C
15–35°C
1.5–3.1 MPa
35–45°C
2.5–3.8 MPa
Above 45°C
3.1–4.15 MPa
3.
On the diagnostic mode screen, change the compressor input to 0 rpm.
Step 7
Commission the humidifier.
1.
Confirm that the upstream inlet valve of the wet film humidifier is open.
2.
In diagnostic mode, start the wet film humidifier.
3.
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.
4.
In diagnostic mode, close the wet film humidifier.
