User`s guide
Eaton
®
PowerPass
®
Distribution Module (2500/3000 VA) User's Guide S 164201798 Rev 2
www.eaton.com/powerquality
27
Chapter 3 Operation
The PowerPass Distribution Module (PDM) allows you to remove of the
UPS while providing power to your protected equipment. This
Maintenance Bypass feature is useful when replacing the UPS for
maintenance or upgrades.
Using Maintenance Bypass
Use the following procedure to transfer your equipment to Maintenance
Bypass (AC Line operation) and remove the UPS:
1. Turn the Bypass switch on the PDM to the BYPASS position. The
PDM is now powering your equipment from utility power.
2. Press and hold the Off
button on the UPS for approximately
three seconds. The UPS switches to Standby mode.
3. If an optional Extended Battery Module (EBM) is installed, unplug
the EBM cable from the battery connector on the UPS rear panel.
4. Low-voltage models. Disconnect the jumper cable from the L5-30P
UPS-output on the PDM rear panel. See Figure 5 on page 15.
Disconnect the UPS power cord from the UPS-input connector on
the PDM rear panel.
5. High-voltage models: Disconnect the jumper cable from the 16A
output receptacle on the UPS rear panel. See Figure 6 on page 16.
Disconnect the PDM-to-UPS cord from the input connector on the
UPS rear panel.
6. Remove the UPS.