Eaton 9155 User Manual

Also see for 9PX: Installation and user manual Advanced user's guide Manual Advanced user's guide User guide

Contents

Operation18 Eaton Bypass Power Module (BPM) User’s Guide P-164000628—Rev 2 www.eaton.com/powerqualityLock-out/Tag-outThe BPM comes with a Lock-out/Tag-out (LOTO) feature to keep the BPM bypass switch locked in SERVICEmode while qualified service personnel works on the UPS. To use the LOTO feature:1. Press and hold the red bar (see Figure 19).Figure 21. LOTO Feature2. Install a lock and tag in any opening at the base of the switch according to LOTO procedures.3. Remove the lock and tag to reset the LOTO position.No Break Transfer from Service Bypass to UPS ModeAfter the system has been placed into SERVICE mode, it must be returned to UPS state to resume normaloperation.CAUTIONIt is critical that the following steps are followed to ensure correct and safe operation.To turn the BPM to UPS mode:1. Turn the switch from SERVICE to LINE (see Figure 22).The UPS is now in LINE mode and is energized. It is often best practice to check the UPS status andconfigure settings in this mode before transitioning to UPS mode. Simply check the status of the UPSthrough the front LCD menu to ensure the UPS is prepared for use.