Siel SAFEPOWER SPM, Инструкция по установке и эксплуатации

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IV374E Rev.03 Installation and user manual
Date of issue : 2016-09-06 Page 23 of 63 + FR
A manual bypass switch is available to ensure continuity of supply to the critical load when the
UPS is out of order or in repair. This manual bypass switch is fitted for all UPS modules and bears for
equivalent rated load.
◆
Redundancy mode
Based on different demands, The UPS can be set as N+X redundancy mode to increase the
reliability to the load connected.
◆
LBS (Load Bus Synchronization)
The function of LBS is to keep the output of two independent UPS systems (single unit or
multiple unit) in synchronization even when the two systems are operating on different modes
(bypass/inverter) or on batteries. It is usually used with an STS (Static Transfer Switch) connected to
the critical load to achieve Dual Bus configuration.
4.2 Turn on/off UPS
4.2.1 Restart procedure
CAUTION!
MAKE SURE GROUNDING IS PROPERLY DONE!
◆ Set the Battery Switch to the
“ON” position according to the user’s manual.
◆ Open the front and rear doors of the UPS to access to the main power switches.
During this procedure the output terminals will become live.
CAUTION!
Check to see if the load is safely connected with the output of the UPS. If the
load is not ready to receive power from the UPS, make sure that it is safely
isolated from the UPS output terminals
◆
Turn ON the bypass and input switches of the UPS, make sure that
“fuse boxes” are
plugged-in and fixed with screws
When AC MAINS input voltage within the range, And the rectifiers of the UPS will be started
up in 30 seconds, then the inverter is started completely. When the output switch is
“ON”, the
inverter LED lights up.