Chapter 8: Maintenance Bypass - Delta Amplon RT Series User Manual

Follow the steps below to let the connected loads be powered by manual bypass when the UPS
needs maintenance.
Step 1
Check if each UPS is in bypass mode. If not, press and hold the UPS's ON/ OFF button (
3 seconds, release it after you hear one beep, use the UPS's Scrolling Up or Down button (
) to select 'Yes' and press the UPS's Enter button (
the inverter will be off, and the UPS will transfer to run in bypass mode.
Step 2
Loosen the three screws on the PDB's inner front panel to remove the warning cover plate of the
manual bypass switch. See Figure 8-1.
NOTE:
1
* To operate the breakers on the PDB's inner front panel, please remove the PDB's front
cover first. See Figure 4-2. Please note that after installation, the four screws on the
PDB's front cover should be removed. The PDB's front cover should be fixed only by the
two clips and can be open by hands anytime.
(Figure 8-1: Remove the Warning Cover Plate from the PDB's Inner Front Panel)
Amplon RT Series
Chapter 8 : Maintenance Bypass
) to confirm your selection. After that,
35
) for
/
Loosen the
Screws to
Remove the
Warning
Cover Plate