4.2.12 Isolation For Maintenance - Liebert Series 610 User Manual

Continuous power-tie configuration multi-module ups

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Operating Instructions

Trouble Recovery

While failures are extremely unlikely, this system has been designed to allow restart from any system

configuration once the fault has been corrected. Refer to 1.5.5 - Modes of Operation for a descrip-

tion of the operating modes.

4.2.12 Isolation for Maintenance

See Figure 8.

Once the critical loads are transferred to the desired UPS, the maintenance bypass circuit breakers

and isolation circuit breakers may be operated. The details of these isolation/maintenance operations

are dependent on the specific arrangement of your switchboards. Typically, to assist maintenance

personnel, maintenance circuit breaker operation is further guided by an electrical or electromechan-

ical interlock system.

For detailed instructions for use of the maintenance bypass switchboard, refer to the Operation and

Maintenance Manual for your Liebert Series 610 UPS.

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