Huawei FusionModule800 Maintenance Manual page 89

FusionModule800 Smart Small Data Center
Maintenance Guide

0104 in NetCol5000-A0104 is variable and subject to changes with the air conditioner connection
sequence. The displayed value prevails.
Step 2 Disconnect the power supplies from the air conditioner control unit and the outdoor unit after
the air conditioner shuts down over the EMS.
Step 3 Reclaim all the refrigerant from the system using a refrigerant retrieval device to ensure that
there is no pressure inside the system.
Discharge the refrigerant if the local laws and regulations allow.
Step 4 Loosen the screws using a Phillips screwdriver and remove the left front panel and left rear
panel from the outdoor unit to expose the filter dryer completely.
Step 5 Cut off the cable ties for the filter dryer using diagonal pliers and weld from the welding point
shown by (2) in
To avoid burning the internal components, other pipes, thermal insulation foam, power cables,
and labels, take protective measures, such as spreading wet cloth, around the welding
position.
Issue 02 (2016-11-15)
b. Tap the cabinet that houses the air conditioner in the micro-module view.
c. Tap the air conditioner to be set in the cabinet layout diagram.
d. Choose Real-time Data > OFF.
Method 2: Log in to the ECC800 WebUI as admin. Choose Monitoring > Air
Conditioner > NetCol5000-A0104 > Controls > Ctrl Info, set On/off status on
EMS > Off, and then click Submit.
Figure 5-43
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using welding equipment to remove the filter dryer.
5 Parts Replacement
83