Replacing Monitoring System Components; Replacing A Water Sensor (Point Type) - Huawei FusionModule 1000A40 Maintenance Manual

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FusionModule1000A40 IT Solution

Maintenance Guide (2016.05, AI Version)

Materials: dehumidifier

Documents: power supply and distribution system diagram, cooling device layout diagram

Skill requirement: cooling engineer

Procedure

Step 1 Switch off the upstream circuit breaker of the dehumidifier and unplug the power cable.

Step 2 Push the dehumidifier aside, and remove the floor panel under the dehumidifier using the

ESD floor suction plate. For the position of the dehumidifier, see the cooling device layout

diagram.

Step 3 Close the ball valve connected to the Pagoda connector, remove the band clamp on the

Pagoda connector using a Phillips screwdriver, and remove the drainpipe from the Pagoda

connector.

Step 4 Move the faulty dehumidifier away from the installation position.

Exercise caution when moving the dehumidifier because it is heavy.

Step 5 Use a Phillips screw driver and band clamp to secure the drainpipe of the new dehumidifier to

the Pagoda connector, and open the ball valve.

Step 6 Reinstall the raised floor.

Step 7 Insert the power plug into the socket reserved for the dehumidifier.

Step 8 Switch on the upstream circuit breaker of the dehumidifier, and check that the dehumidifier is

working properly.

----End

Follow-up Procedure

Send the faulty dehumidifier together with a Repair Notice to your local Huawei office for

repair.

5.3 Replacing Monitoring System Components

Prerequisites



Issue 04 (2018-01-05)

For the diagrams, see the initial configuration parameter manual for the solution in use.

A water sensor needs to be replaced.

Spare water sensors of the same model are available and functional.

Huawei Proprietary and Confidential

5 Components Replacement

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