How Do I Set Alarm Parameters - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
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11.3.15 How Do I Set Alarm Parameters?

Prerequisites
Before setting the alarm parameters, get familiar with the coupling relationship
among each parameter.
Configurations of temperature and humidity alarms and main board settings for
the air-cooled devices should comply with the following coupling relationships:
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Be careful when configuring alarm parameters. Only professional maintenance
personnel can change alarm settings.
Issue 10 (2024-01-30)
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Energy saving effect of different modes: Power saving mode > Normal water saving mode >
Extreme water saving mode.
Select Power saving mode in areas with abundant water resources.
Select Normal water saving mode in areas with balanced water and electricity resources.
Select Extreme water saving mode in areas with water resources shortage.
Customized mode: You can define the spray start temperature as required.
Select Disable water mode in areas where water spray is forbidden.
Power supply underfrequency alarm threshold < Power supply overfrequency
alarm threshold
Standby power underfrequency alarm threshold < Standby power
overfrequency alarm threshold
Supply air high temperature alarm threshold + 5°C ≤ Return air high
temperature alarm threshold
Supply air high temperature alarm threshold + 5°C ≤ Hot aisle high
temperature alarm threshold
Cold aisle high temperature alarm threshold + 5°C ≤ Hot aisle high
temperature alarm threshold
Cold aisle high temperature alarm threshold + 5°C ≤ Return air high
temperature alarm threshold
Supply air low temperature alarm threshold + 5°C ≤ Return air low
temperature alarm threshold
This section describes how to set an alarm threshold.
All alarm thresholds are configured in the same way. This section describes
how to set the threshold of Return air high temperature alarm for the T/H
sensor.
If you need to change alarm settings, log in as user Admin.
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