Powering Off The Equipment - Huawei NetCol5000-A021 User Manual

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Step 7 (Optional) Commission the humidifier.
1.
2.
3.
4.
Step 8 (Optional) Commission the water pump. Open the cover in front of the water pan and lift the
low liquid level detector. The pump starts working after 5 seconds. Then release the liquid
level detector and shut down the pump.
Step 9 After the commissioning is complete, remove the device used for charging the refrigerant, and
install the valve bonnet.
Step 10 On the Diagnostic Mode screen, tap Exit and then Yes to exit the diagnostic mode.
Step 11 Check the teamwork control cables and set the teamwork control parameters. For details
about how to commission, see
Step 12 Go back to the startup screen, and tap Shutdown.
----End
Follow-up Procedure
After the commissioning or maintenance is complete, clean the oil stains on the copper pipe
thermal insulation foam or bottom plate if there is any.

5.6 Powering Off the Equipment

Procedure
Step 1 Tap Shutdown on the home screen of the LCD.
Issue 03 (2020-01-10)
On the home screen, Choose Maint > Diagnostic Mode > Enter and set Humidifier to
50%.
The water supply valve opens and water is charged into the humidifier cylinder
automatically. After the water level reaches a threshold, the water supply valve closes.
You need to check that the water inlet pipe does not leak during the process.
After 3 to 10 minutes, choose Running > Device Details > Humidifier and check that
the value of Current in cylinder is greater than 1.2 A and that no alarm is generated,
which means that the humidifier works properly.
On the home screen, Choose Maint > Diagnostic Mode > Enter, set Humidifier to 0%,
and then click On after Water inlet solenoid valve. The humidifier cylinder starts to
drain water. You need to check that the drainpipe does not leak during the process.
It is normal if a pump alarm is generated during the pump operation when there is no water in the pan.
The pump generates this alarm for self-protection.
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4.3.2.5 Setting Teamwork Control
5 Power-On Commissioning
Parameters.
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