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Should chiller, CRAH and pump panels be included in a data centre electrical thermography survey?

Yes. Cooling keeps the IT load running just as much as the UPS does, and the electrical side of the cooling plant can be imaged live in the same visit: the panels, motor control centres, drives and isolators that feed chillers, CRAH or CRAC units and pumps. Survey while the plant is running at a typical duty, so those connections are carrying current.

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