Yearly Maintenance - Huawei FusionCol8000-E240 User Manual

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Comp
onent
Water
tank
Air
filter

8.2.3 Yearly Maintenance

Table 8-3 Yearly maintenance checklist
Compone
nt
Sensor
Welding
point and
needle
valve
Exhaust
fan and
indoor
fan
Issue 02 (2021-04-15)
Item (on the Basis of Monthly
Maintenance)
Check that there is no foreign
matter or silt in the water tank.
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.
Item (on the Basis of
Quarterly Maintenance)
Use a precision T/H sensor to
calibrate the T/H sensors
inside and outside the device.
Check that welding points and
needle valves do not leak
using soapy water or check
that they are free from oil
stains.
Enter the diagnosis mode,
start the exhaust fan and
indoor fan, and check whether
the fan runs properly without
any abnormal noise.
Copyright © Huawei Technologies Co., Ltd.
8 System Maintenance
Troubleshooting
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.
Remove the old filter, clean the
air filter hole, and install a new
filter.
Troubleshooting
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.
If leaking points are found, retrieve
the refrigerant and weld the
leaking points again. Contact
Huawei technical support for
repair.
Replace the fan.
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