Powering On Loads; Optional) Setting Parameters For The Bcb Box - Huawei UPS5000-S-600 User Manual

UPS5000-S-600 kVA
User Manual (Three-phase, Three-wire)
Figure 5-4 Starting the inverter
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5.1.4 Powering On Loads

Procedure
Step 1 After the inverter starts, the UPS works in normal mode. The Bypass mode alarm disappears.
Check that the UPS has transferred to normal mode by viewing the system running diagram.
Check that the UPS three-phase output voltage and frequency are normal by choosing System
Info > Runn Info > AC Output on the MDU. Use a multimeter to check that the valid
three-phase output voltage and frequency are normal.
Step 2 After confirming that the battery strings are properly connected, close the battery string input
circuit breaker. If there are multiple battery strings, close the circuit breaker for each battery
string and then the general circuit breaker between battery strings and the UPS. The No
battery alarm disappears from the MDU.
Step 3 Close the external output switches to supply power to loads.
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5.1.5 (Optional) Setting Parameters for the BCB Box

Prerequisites
A BCB box is installed.
Issue 05 (2019-12-20)
If the power module receives a startup command when it cannot be started, the startup command will be
kept for 1 minute. If the startup command is not cleared within 1 minute (for example, other faults occur
on the module, or you perform shutdown or rectify faults) and the module can be started, the module
responds to the startup command.
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