American Power Conversion 10-30 KVA, 200/208 V manual Total-Power-Off Procedure

Total-Power-Off Procedure

WARNING!

Risk of electric shock – parts inside the UPS and XR Batterty Enclosure are energized from the battery supply even when the AC power is disconnected. Before electrical installation begins, follow the Total-Power-Off procedure to completely de-energize the system.

UPS



Utility/ Mains breaker



XR Battery Enclosure



Set the DC disconnect switch on the XR Enclosure (if available) to the OFF position.

Remove all batteries from the system, or, alternatively, pull out all batteries to the red disconnect line shown on the battery. To ensure sufficient stability, do not pull batteries out beyond the red disconnect line unless completely removing them from the Enclosure.

Set the utility breaker to the OFF or LOCKED-OUT position. If the UPS has dual mains supply, set both supplies to the OFF or LOCKED-OUT position.

WARNING!

Correct lock-out procedures at utility breaker must be followed. If necessary, install a padlock.

22 Smart-UPS® VT 10-30kVA, 200/208V and XR Battery Enclosure Operation Guide 990-2359A