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16 Symmetra PX 10-40 kW 208 V Operation & Maintenance Guide - 990-4104B
Maintenance Bypass Operation for
Installations with Optional MBP
How to place the UPS in Maintenance Bypass operation
Before servicing the UPS, place the UPS in Maintenance Bypass operation. When the UPS is
operating in Maintenance Bypass operation, power flows directly from the utility to the Maintenance
Bypass Panel and out of the load equipment.
1. Use the UPS display interface to place the UPS in Maintenance Bypass operation:
a. Press the Esc key on the Monitoring screen to open the Main menu.
b. Select Control on the Main menu and press the Enter key.
c. Select UPS into Bypass on the Control menu and press the Enter key.
d. Confirm the selection on the next screen: Select Yes, UPS into Bypass and press the Enter
key. The BYPASS LED will illuminate and the display will show the following two screens:
The H3 LED above the Q3 Breaker should then illuminate, indicating that it is safe to
operate the Q3 breaker.
Control
Status
Setup
Accessories
Logging
Display
Diags
Help
UPS has been
commanded to go
into Bypass...
UPS load is in Bypass
Press any key...