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WARNING!
(1) Before start the module, the module_ON switch must on the "ON" status and the red
indicator must flash or off.
(2) Before remove the module, the module_ON switch must on the "OFF" status and the red
indicator must light.
(3) When insert the module under battery mode, please press “Cold start” button at bypass
module panel until the modules starts.
3.11
UPS Multi
－
Module Installation
The basic installation procedure of a parallel system comprising of two or more UPS modules is
the same as that of single module system. The following sections introduce the installation
procedures specified to the parallel system.
3.11.1 Cabinet installation
Connect all the UPS needed to be put into parallel system as below picture.
Make sure each UPS input switch is in “off” position and there is no any output from each
UPS connected. Battery groups can be connected separately or in parallel, which means the
system itself provides both separate battery and common battery.
CAUTION!
A group of parallel systems is equivalent to a large capacity UPS, but it
has higher reliability. In order to ensure that all UPS machines are
current sharing, and comply with the relevant wiring rules, the following
requirements should be met:
