NetCol5000-A020 Air Cooled In-row Precision Air
Conditioner
User Manual
5 System Operation and Maintenance
Issue 01 (2014-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
103
Figure 5-4
Removing bolts fastening the fan
Step 6
Install a new fan, properly connect cables to connectors, and fix cables using cable ties.
Step 7
Install and lock the front door, and properly connect control cables and ground cables.
Step 8
Power on the equipment. Tap
Startup
and enter
Maint
>
Diagnostic mode
>
Enter
on the
main menu to check whether the fan works properly. If yes, exit diagnostic mode.
Step 9
Install the air filters and rear door if no problem is found.
----End
Follow-up Procedure
Choose
Maint
>
Performance Maintenance
on the main menu to clear the accumulated
running time of the indoor fan.
5.6.3 Replacing the Compressor
Prerequisites
Recommended tools: protective gloves, a Phillips screwdriver, a heat gun, sealant for
sealing refrigerant pipelines, seal rings for angle valves, adjustable wrenches (30#/3 PCS
and 36#/1 PCS), a 13# ratchet or fixed wrench, a cutter (for cutting copper pipes), a
brazing tool, 45% silver brazing rod, a nitrogen steel vessel, hoses, a new compressor,
and filter dryers.
The compressor needs to be replaced.
A spare and functional compressor is available.
Context
The rear door and side panel are opened for rear-access and side-access maintenance.
