How To Commission Single Component - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Figure 7-8 Setting alarm parameter 2
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7.1.15 How to Commission Single Component

Context
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Procedure
Step 1 Choose Maint > Diagnostic Mode > Enter.
Step 2 Set Indoor fan to 50%.
When the input value of the indoor fan is less than the minimum speed, the indoor fan will run
at the minimum speed.
Step 3 Check that the indoor fans run properly, and no alarm generates.
Issue 02 (2019-10-10)
On the diagnostic mode screen, you can turn on or off components, and control their
output ratio.
If you need to manually turn on or off system components in diagnostic mode, ensure
that the smart cooling product is started before operation.
Take commissioning the indoor fan as an example.
The screen for entering the diagnostic mode:
 Components are interlocked. Therefore, buttons for turning on or off certain components are in gray,
indicating that operations of the components are not allowed.

To ensure system security, a component may not promptly respond to operations performed on this
screen. For example, the compressor does not respond promptly after the Off (On) button is tapped if
the shortest running (shutdown) time is not met.

To exit the diagnostic mode, tap

The system automatically exits diagnostic mode when it reaches the maximum diagnostic mode
duration.
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on the status bar.
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