Huawei NetCol8000-C070 User Manual page 135

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Item
Chilled
water pipe
Water
leakage
sensor
Differential
pressure
sensor
Motorized
Damper/
Gravity
Damper
Direct free-
cooling
plenum
Issue 02 (2020-08-30)
Method (Monthly
Maintenance)
Check that the thermal
insulation foam on the
chilled water pipe is intact.
Check that the pipe
support is intact and
securely installed.
Check that pipes do not
leak.
Check that the smart
cooling product drainpipe
is free from leaks and
blockages.
Check that the water
leakage sensor is securely
installed.
Check that the pressure
inlet tube is not blocked or
over-bent.
Check that cables to the
differential pressure
sensor are securely
connected.
(Applicable to motorized
damper) Check that cables
to the actuator are
securely connected.
Check that the damper is
securely fixed.
Check that cables to the
actuator are securely
connected.
Check that the damper is
securely fixed.
Check that the pressure
inlet tube is not blocked or
over-bent.
Check that cables to the
differential pressure switch
are securely connected.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
Rewrap the thermal insulation
foam.
Secure the base.
Close the water inlet stop valve and
repair leaks.
If the drainpipe leaks, repair the
leaks. If the drainpipe is blocked,
clear the blockage inside the pipe.
N/A
Reinstall the pressure inlet tube.
Reconnect the cables.
Reconnect the cables.
Fix the damper again.
Reconnect the cables.
Fix the damper again.
Reinstall the pressure inlet tube.
Reconnect the cables.
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