Liebert EXL S1: service and replacement planning

Family reference

A monolithic UPS platform with system paralleling options. This reference uses the North American 480 V specifications.

Selected North American 480 V, 250-1200 kW reference. Confirm the rating of each installed unit and its parallel arrangement.

Identify the unit and system arrangement

Check at your site: Unit rating, parallel arrangement, switchgear and energy storage.

Send the full model and serial number with the input and output voltages from the nameplate.
Record the battery arrangement, battery age and available service history.

Measured load, required runtime, bypass and room access are inputs to the assessment. Equipment selection requires a site electrical review.

For replacement planning, include measured load, expected growth and required runtime.
Describe the bypass arrangement and room access before installation planning.
Identify the protected load, available shutdown period and who can approve switching.

Maintenance concerns the installed system. Replacement planning reviews its existing configuration and the site’s requirements.

The published range describes selected family variants. The nameplate and site configuration identify the installed system.

Send the full model, voltages, battery arrangement and service history. For replacement, add measured load, required runtime and bypass details.