Confidential
3
.
Installing the Product
English 8/2019. Rev 0.0
107
2.
Connect the DC link high-voltage terminals from the UPS.
CAUTION
Verify with a voltmeter that no power is present on the system. Disconnect all input power
supplies. Use lock out/tag out procedures to secure the UPS and battery system before
beginning this step.
In this step, the battery and UPS are isolated by the SMU because the circuit breaker in the
SMU is opened.
NOTICE
Connect the high-voltage terminals using an M12 bolt
.
The fastening torque should be 30 Nm (300 kgf/cm)
.
Figure 3-129: Connecting the DC Link High Current Terminals
3.
Special case: if connecting the battery system in three-wire system, connect two racks to the three-wire DC bus connection
according to the diagram below. System BMS must be configured to operate correctly with this connection.
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