Huawei NetCol5000-C Series User Manual page 149

NetCol5000-C030 In-row Chilled Water Smart Cooling
Product
User Manual (Simple Configuration)
No.
11
12
13
14
Issue 09 (2020-01-10)
Operation
smoothly.
(Following the
preceding step) Set
Humidifier to 0%, and
press the manual
water drain button on
the side of the electric
control box to "OFF"
to check whether
water drainage is
normal. After the
check is complete, set
the manual drainage
button on the side of
the electric control
box to "ON".
NOTE
Ensure that the manual
drainage button on the
side of the electric
control box is set to
"ON" after the check
ends. Otherwise, the
humidifier will not be
filled with water when
it is running.
Start the indoor unit,
choose Maint >
Diagnostic Mode >
Enter from the main
screen, and set electric
heater to On. Check
that the electric heater
generates heat.
NOTE
To avoid burns, do not
touch the electric heater
surface with bare skin.
Choose Maint >
Diagnostic Mode >
Enter and set the
chilled water valve
openness to 100%.
Check that the chilled
water valve handle
automatically turns to
the maximum
opening.
Check that no foreign
matter exists in the
fan.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
Disconnect the drainpipe
from the device, and use
a rubber mallet to knock
the drainpipe to remove
foreign matter or
impurities from the
drainpipe. Then remove
the water pump and clean
up impurities from the
water pump. If the
impurities are too much
to be cleared, replace the
water pump.
NOTE

When installing a pipe,
seal screw thread joints
using water sealant and
ensure that no water
leaks.

If the fault persists after
the maintenance, see
section 6.3
Troubleshooting for
further processing.
Replace the electric
heater by referring to
6.4.6 Replacing an
Electric Heater.
If the chilled water valve
handle does not
automatically turn to the
maximum opening,
troubleshoot by following
instructions in 6.3
Troubleshooting.
Clean the foreign matters.
Period Result
□Passed.
Quarterly
□Failed.
□Passed.
Quarterly
□Failed.
□Passed.
Quarterly
□Failed.
□Passed.
Semi-annual
□Failed.
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