System start-up from manual bypass operation – American Power Conversion Bypass Static User Manual

Page 41

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Symmetra® MW with Internal Bypass Static Switch - User Guide - 990-1756A-001

35

System Start-Up from Manual Bypass
Operation

If the UPS has been operating in manual bypass operation and no power is connected to the UPS, the
UPS display will be inactive. To re-start the system from manual bypass and achieve on-line
operation, close Q1 in the external maintenance bypass panel. This will power up the internal power
supply. Wait for the display to become active and follow the screen-prompted instructions.

CAUTION!
Follow these instructions carefully. Failure to do so could result in equipment damage.

Normal

5.40 PM

Operation

Startup

Shutdown

Network Configuration

User Configuration

View Event Log

Predictive Maintenance

Static Bypass Online

Online Static Bypass

Transfer from manual bypass to online

Transfer from online to manual bypass

Transfer from online to static bypass

Transfer from static bypass to online

Manual Bypass/Off

Normal

~

~

Q7

Q8

Q2

Manual bypass/Off

0:00 AM

UPS Summary

Select Operation/
Configuration

Follow the start-up
instructions on the screen.

Active commands initially appear in
red. Once a command has been
carried out successfully, its text will
change to green. Important: After
pressing “Initiate charge” in step 2,
wait until the green lights go on
alongside battery breakers Q7 and
Q8 on front of the Battery Breaker
Box before closing the breakers.

Select Start-up

Normal

Manual bypass/Off

UPS Startup

5.40 PM

Close Q1

Close breaker Q5

Charge DC Capacitors

Close battery breakers Q7 and Q8

Close breaker Q2

Initiate transfer to static bypass

Open breaker Q3

Push UPS "ON" button

Display will be off until Q1 closed

SSW input

Initiate Charge

Connect battery

UPS output

Initiate transfer

Manual bypass

UPS will power up

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