Copyright © 2017 Cyber Power Systems, Inc.
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MAINTENANCE
MANUAL BYPASS SWITCH OPERATION
This operation allows qualified personnel to remove the detachable PDU or HW PDU from the Power module for routine maintenance or replacement without
disrupting power to connected equipment.
REMOVE PDU or HW PDU
Step 1: Slide the Interlock Bracket to the left
Remove the one screw that fix the Interlock Bracket in the right.
Slide the Interlock Bracket to the left.
Step 2: Check the Power module auto transfer to Manual Bypass
After Sliding the Interlock Bracket to the left, the Power module will auto
transfer to Manual Bypass. Check that the LCD screen shows
“
Manual
Bypass
”
before turning the
“
Manual Bypass Switch
“
to
“
Bypass
“
.
Step 3: Turn the “Manual Bypass Switch“ to “Bypass“
Step 4: Press “ON/OFF“ button to turn off UPS
Step 5: Pull the PDU or HW PDU away from the Power module
Loosen the four screws that hold the PDU or HW PDU to the Power module.
Pull the PDU or HW PDU away from the Power module and loosen the two
screws that hold the cover.
Step 6: Fix the cover on the PDU or HW PDU
Tighten the two screws and fix the cover on the PDU or HW PDU to hide the
connectors.
The Power module shutdown safely and it can perform routine
maintenance or replacement now.
SAFETY PRECAUTIONS
CAUTION!
It must be done by qualified personnel to prevent from the risk
of fire or electric shock.
CAUTION!
Hazardous voltage may exist between
the connectors of the
PDU or HW PDU. Do not let the connectors touch any surface.
CAUTION!
Do not slide the Interlock Bracket when the LCD screen shows
“
Generator On
”
or
“
Converter On
”.
CAUTION!
Do not turn the Manual Bypass Switch
when hearing a warning
beep from the Power module.