Power-On And Commissioning; Preparing For Power-On; Power-On - Huawei NetCol8000-E220 User Manual
Modular indirect evaporative cooling system
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NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
5.1 Preparing for Power-On
Procedure
Step 1 Verify that the switch for the unit in the upstream power distribution frame (PDF)
is OFF.
Step 2 Verify that the input voltage meets the requirement.
Ensure that there is no reverse or open phase for the input power cable of the
unit. Otherwise, the unit may be damaged beyond repair.
Step 3 Verify that cables are correctly connected and the phase sequence is correct.
Step 4 If teamwork networking is required, verify that the teamwork cable is correctly
connected.
Step 5 If an external T/H sensor is connected, check that its cable connection and DIP
switch settings are correct.
----End
5.2 Power-On
Context
When powering on the unit, ensure that the ambient temperature is –20°C or
above.
Issue 10 (2024-01-30)
5
Power-On and Commissioning
D ANGER
CA UTION
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 Power-On and Commissioning
88
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