Automatic system, Manual transfer to maintenance bypass, Press green “close cbb” push button – Rockwell Automation 1608M MegaDySC User Manual, 208 Volt, One Second Extended Runt User Manual
Page 23: Confirm that red “bypass closed” lamp is lit, Confirm that both cbi and cbo are open, Manual transfer to megadysc, Confirm green "ready to close cbi" lamp is on, Manually close breaker cbi, Manually close breaker cbo, Press red “open cbb” push button
Rockwell Automation Publication 1608M-UM003A-EN-P - April 2014
23
Operation
Chapter 5
Automatic Bypass
Switchboard Operating
Instructions
Automatic System
Bypass (CBB) will close in the event of a fault in the MegaDySC system. System
will remain in bypass until manually transferred to back to the MegaDySC. If
CBB trips due to an over current condition, press reset button on CBB. CBB will
automatically close!
Manual Transfer to Maintenance Bypass
1.
Press green “CLOSE CBB” push button
2.
Confirm that red “BYPASS CLOSED” lamp is lit.
3.
Press red “OPEN CBI” push button. Output breaker (CBO) will open
automatically.
4.
Confirm that both CBI and CBO are open.
5.
The MegaDySC is now bypassed and isolated for maintenance.
Manual Transfer to MegaDySC
1.
Confirm green "READY TO CLOSE CBI" lamp is on.
2.
Manually close breaker CBI.
3.
Confirm that the MegaDySC touchscreen is lit, is green and displays
“OK” in the upper left corner.
4.
Manually close breaker CBO.
5.
Confirm that the screen on the MegaDySC displays “OK”.
6.
Press red “OPEN CBB” push button.
7.
The MegaDySC system is now providing power to the load.
ATTENTION: Follow these instructions to avoid interrupting load power!
Contact the factory immediately if the system fails to operate as outlined below.
Voltage sag protection is not available whenever CBB is closed (red lamp
lighted)
IMPORTANT
Close CBI is inhibited for one minute after power cycling.