Replacing Outdoor Unit Components; Replacing An Outdoor Fan - Huawei NetCol8000-A013 User Manual

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Protect the surrounding components during the welding process.
Step 8 Inject nitrogen and preserve the pressure. After checking that the EEV and system
do not leak, perform vacuumization and inject refrigerant.
Step 9 Install the return air filter.
Step 10 After power-on again, tap
confirmation screen displayed.
Step 11 On the home screen, choose Maintain > Diagnostic Mode > Enter and set the
compressor speed to 3000rpm. After 15 minutes, choose Run > Device Run State.
Check whether the suction pressure, discharge pressure, EEV suction superheat
degree, and supercool degree are within their normal ranges.
Table 5-6 Running parameters
Outdoor
Ambient
Temperature
Below 15°C
15–35°C
35–45°C
Above 45°C
Step 12 Re-enter the diagnostic mode and set the compressor rotational speed to 0 rpm.
Exit the diagnostic mode.
Step 13 Choose Maintain > Performance Maintain on the home screen, and clear the
total runtime of the EEV.
----End

5.4.2 Replacing Outdoor Unit Components

5.4.2.1 Replacing an Outdoor Fan

Prerequisites
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●
Issue 04 (2022-11-25)
NO TICE
Normal
Discharge
Pressure
Range
1.5–2.5 MPa
1.5–3.1 MPa
2.5–3.8 MPa
3.1–4.15 MPa
An outdoor fan needs to be replaced.
A spare outdoor fan of the same model is available and functional.
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 System Operation and Maintenance
on the home screen, and tap Yes on the start
Normal Normal
Suction Suction
Pressure Superheat
Range Degree
0.7–1.2 MPa 4–10°C
Normal
Supercool
Degree
3–5°C
120