Charging The Remaining Refrigerant - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Step 6 Tap Password on the home screen of the ACC and enter the generated startup
password in the displayed dialog box.
Step 7 After you power on the smart cooling product, the screen displays the home
screen.
----End

4.6 Charging the Remaining Refrigerant

Prerequisites
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Procedure
Step 1 Tap Start on the home screen.
Step 2 Choose Maint > Diagnostic Mode > Enter to enter the diagnostic mode.
Step 3 Set the compressor to 3000 rpm.
Step 4 Commission the compressor by setting the compressor rotational speed to 3000
rpm.
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Issue 06 (2020-08-19)
NO TE
If startup verification fails (when you do not enter the password within 5 min or the
password you enter is incorrect), the generated password will be invalid for the sake of
security. The initial startup verification fails.
Check that the outdoor unit switch is turned on before you start the
compressor.
Remove the refrigerant steel vessel after checking that no more refrigerant is
required.
Charge refrigerant in an amount exactly as standard charge required.
Otherwise, the devices may be damaged.
Charge the rest of the refrigerant from the low-pressure pipe needle valve in
small flow or intermittently if possible. The total amount of charged
refrigerant must meet the requirements in requirements of refrigerant to be
charged.
On the home screen, choose Running > Device Details > Compressor and
check that the value of Suction pressure and Discharge pressure are in a
range listed in the following table.
On the home screen, choose Running > Device Details > EEV and check that
the value of EEV suction superheat degree is in a range listed in the
following table.
On the Diagnostic Mode screen, Change the input value for the compressor
to 0 rpm.
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4 Power-on and Commissioning
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