Replacing An Intelligent Heat Exchanger - Huawei FusionModule1000A20 Maintenance Manual

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide
Step 4 Follow the reverse steps to install the new fan.
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6.2.2 Replacing an Intelligent Heat Exchanger

Prerequisites
A spare intelligent heat exchanger of the same model is available and functional.
Impact on the System
The intelligent heat exchanger is powered off, the temperature inside the pre-fab.
module may become too high, affecting device operation.
Preparations
Tools: Phillips screwdriver, multimeter, protective gloves
Materials: intelligent heat exchanger
Documents: documents delivered with the intelligent heat exchanger.
Skill requirement: cooling engineer, common technician
Procedure
Step 1 Switch off the circuit breaker on the PDB that supplies power to the intelligent
heat exchanger, and verify that the intelligent heat exchanger is powered off using
a multimeter before proceeding with the following operations.
Step 2 Remove the cables connected to the intelligent heat exchanger.
Step 3 Remove the screws that secure the intelligent heat exchanger to the pre-fab.
module.
Issue 03 (2022-12-15)
NO TE
Before maintaining the intelligent heat exchanger, seal the outdoor part to prevent dust
and rain from entering the pre-fab.module.
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6 Parts Replacement
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