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Idiomas disponibles
Idiomas disponibles
UPS Enterprise Parallelism Procedure
Open the main input DJE.
Repeat the operation above for all the other units of the system.
Turn off the battery bank.
From this moment the system is completely disabled and isolated. Wait for the discharge of
the equipment internal capacitors.
5.8 TRANSFER OF THE PARALLEL SYSTEM BY THE MANUAL BYPASS
In case it is necessary to transfer the system to Bypass manually (scheduled maintenance,
system failure, etc.), follow the next steps:
Transfer the load from the inverter to the reserve line using the control panel of the UPS in
„
the MASTER mode.
Turn off the inverter of the UPS that in the MASTER mode using the control panel.
„
Repeat the procedure above for all the other units of the system.
„
Remove the mechanical lock, and close the Manual Bypass switch DJBP.
Repeat the operation above for the other units of the system.
Open the main input DJE.
Repeat the operation above for all the other units of the system.
48 | Enterprise
Mains line
Reserve
OFF
OFF
Figure 5.22: Position of switch disconnectors open
Mains line
Reserve
ON
ON
Figure 5.23: Position of switch disconnectors closed
Mains line
Reserve
OFF
ON
Figure 5.24: Position of mains line switch-disconnectors open
M-Bypass
Output
OFF
OFF
M-Bypass
Output
ON
ON
M-Bypass
Output
ON
ON
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