Component Replacement - Huawei FusionCol8000-E240 User Manual

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Alarm ID Alarm Name
A372-01 Heat exchanger low
efficiency alarm

8.5 Component Replacement

Issue 02 (2021-04-15)
Alarm
Severity
Warning
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
● The heat exchanger
core has scale.
● The precooling
module has scale.
● The spray system is
abnormal.
● The outdoor intake
air filter is blocked
or dirty.
● The value detected
by the outdoor
intake air
temperature sensor
or temperature and
humidity sensor is
different from the
actual value.
● The value detected
by the heat
exchanger supply
air temperature
sensor is different
from the actual
value.
● The value detected
by the return air
temperature sensor
or temperature and
humidity sensor is
different from the
actual value.
● The value detected
by the precooling
module
temperature sensor
is different from
the actual value.
8 System Maintenance
Solution
1. Maintain the heat
exchanger core.
2. Maintain or replace
the precooling
module.
3. Maintain the spray
related parts.
4. Maintain or replace
the air filter.
5. Calibrate or replace
the temperature
sensor or
temperature and
humidity sensor.
6. Calibrate or replace
the temperature
sensor.
7. Calibrate or replace
the temperature
sensor or
temperature and
humidity sensor.
8. Calibrate or replace
the temperature
sensor.
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