PowerWAVE 9000 DPA UPS - Multi-Cabinet Configuration
6-7
(Issue 2.1 Oct. 2009)
6.2.9 ECO-MODE (BYPASS MODE) in Parallel Systems
The Eco-Mode function in a Parallel System is the same as in Single
Systems. If, in a PowerWAVE 9000 DPA system, the load is supplied by
the mains(load on mains) and in the event of mains failure, all UPS's will
automatically transfer the load back to the inverters within 5msec.
In order to provide the load with maximum protection Uninterruptible
Power Supplies Ltd. always recommends that the load be supplied by the
inverter (ON-LINE-Mode).
6.3 Commissioning of Multi-cabinet Configuration
THE UPS MUST NOT BE STARTED OR PUT INTO USE WITHOUT
HAVING FIRST BEEN COMMISSIONED BY A FULLY TRAINED AND
AUTHORISED PERSON.
6.3.1 Start-up of a Multi-Cabinet Configuration
Before starting up a Multi-Cabinet Configuration verify that:
1.
All the input and output cabling has been performed correctly
according to Chapter 3 of this User Manual.
2.
The parallel communication cables have been connected correctly
according to Paragraph 6.2.2 of Chapter 6.
3.
All the DIP Switches for the Modules and Upgrade-Line Cabinets
been set correctly according to Paragraph 6.2.3 of Chapter 6.
4.
All the external battery cabinets/racks have been connected correctly.
The start-up of a Multi-Cabinet Configuration may be performed in a
similar way to the start-up procedures for a single Upgrade-Line Cabinet
described in Paragraph 4.5 of Chapter 4.
6.3.2 Shutdown of Multi-Cabinet Configuration
Before shutting-down of a Multi-Cabinet Configuration make sure that the
loads do need power protection and that they are disconnected.
The UPS may be shut down completely if the loads do not need any
power supply. Therefore the steps in this paragraph are to be
performed only after the load has been disconnected and does not
need any power supply.
A complete shutdown of a Multi-Cabinet Configuration may be performed
in a similar way to the shutdown procedures described in Paragraph 4.6 of
Chapter 4.
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