NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
5 System Operation and Maintenance
Issue 05 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
108
Step 10
After power-on again, tap
on the home screen, and tap
Yes
on the start 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 is in
reasonable range.
Table 5-6
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
Step 12
Enter the diagnostic mode and set the compressor rotational speed to
0 rpm
. Exit the
diagnostic mode.
Step 13
Power on the equipment, 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
An outdoor fan needs to be replaced.
A spare outdoor fan of the same model is available and functional.
Context
Tools: Phillips screwdriver, small wrench, socket wrench, cable tie, diagonal pliers.
Preparation: Power off the outdoor unit.
Procedure
Step 1
Turn off the indoor unit circuit breaker and circuit breaker in the power distribution cabinet.