Annual Maintenance; Alarm Reference; Troubleshooting - Huawei NetCol8000-C070 User Manual

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Maintenanc
e Item

6.1.3 Annual Maintenance

Table 6-3 Annual maintenance
Mainte
nance
Item
T/H
sensors
Heat
exchan
ger

6.2 Alarm Reference

For details, see the

6.3 Troubleshooting

Certain circuits in the NetCol8000-C have lethal voltage. Only professional
technicians are allowed to perform maintenance. Exercise caution during live-line
troubleshooting.
If jumpers are used for troubleshooting, remove them after troubleshooting.
Connected jumpers may affect control functions and damage equipment.
Table 6-4
Issue 09 (2022-12-15)
Operation (Based on
Monthly Maintenance)
Check that the air
deflector is adjusted to a
proper angle.
Operation (Based on
Semi-annual
Maintenance)
Check that the
temperature and
humidity readings are
correct as measured.
Check that no foreign
matter exists on the
heat exchanger surface.
FusionCol & NetCol Smart Cooling Product Alarm Reference .
CA UTION
NO TICE
describes how to troubleshoot the NetCol8000-C.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Troubleshooting
Adjust the angle of the air deflector
again.
Troubleshooting
If the temperature deviation is greater than
1°C or humidity deviation is greater than
5%, calibrate or replace the humidity and
temperature sensor.
Remove foreign matter.
6 Maintenance
142