Huawei FusionModule1000A40 ICT Solution Maintenance Manual page 77

FusionModule1000A40 ICT Solution
Maintenance Guide
Preparations
Tools: flat-head screwdriver, Phillips screwdriver, adjustable wrench, socket wrench,
protective gloves, ESD floor suction plate, step ladder
Materials: spare air cooled in-row precision air conditioner
Documents: NetCol5000-A 21 kW Air Cooled In-row Precision Air Conditioner Quick Guide
(208 V), NetCol5000-A 25 kW Air Cooled In-row Precision Air Conditioner Quick Guide (300
mm Width), indoor/outdoor unit and T/H sensor wiring diagram, power supply and
distribution system diagram, cooling device initial configuration table
Skill requirement: cooling engineer
Procedure
Step 1 Locate the cold aisle containment where maintenance is to be performed based on the position
of the faulty air conditioner.
Step 2 Remove the suspended ceilings in the cold and hot aisles adjacent to the air conditioner.
Assign two persons to remove a suspended ceiling together. One person holds up the
suspended ceiling, while the other person removes the fasteners.
Figure 4-13 Removing a suspended ceiling
1.
2.
Issue 01 (2019-03-05)
For the table, see the initial configuration parameter manual for the solution in use.
Remove the sealing ring in the suspended ceiling above the front of the air conditioner.
Remove the bolts securing the suspended ceiling using a Phillips screwdriver.
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4 Parts Replacement
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