Comp
onent
Item (on the Basis of Monthly
Maintenance)
Troubleshooting
Water
tank
Check that there is no foreign
matter or silt in the water tank.
Shut down the unit, choose the
diagnostic mode, and open the
drainage valve to empty the
water tank. Do not stir the water
in the tank during the operation.
After emptying the water tank,
use a mop and a broom to clean
the silt out of the water tank.
NOTE
Do not wash a large amount of silt
directly into the drainpipe.
Air
filter
Check that the air filter is clean
and not blocked.
Maintain the air filter once a
quarter on average based on the
geographical and seasonal
conditions.
Remove the old filter, clean the
air filter hole, and install a new
filter.
8.2.3 Yearly Maintenance
Table 8-3 Yearly maintenance checklist
Compone
nt
Item (on the Basis of
Quarterly Maintenance)
Troubleshooting
Sensor
Use a precision T/H sensor to
calibrate the T/H sensors
inside and outside the device.
If the temperature deviation is
greater than 1°C or humidity
deviation is greater than 5%, the
T/H sensor must be calibrated or
replaced.
Welding
point and
needle
valve
Check that welding points and
needle valves do not leak
using soapy water or check
that they are free from oil
stains.
If leaking points are found, retrieve
the refrigerant and weld the
leaking points again. Contact
Huawei technical support for
repair.
Exhaust
fan and
indoor
fan
Enter the diagnosis mode,
start the exhaust fan and
indoor fan, and check whether
the fan runs properly without
any abnormal noise.
Replace the fan.
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
8 System Maintenance
Issue 02 (2021-04-15)
Copyright © Huawei Technologies Co., Ltd.
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