BOXER SERIES 10-20 KVA EXPLANATIONS OF LOGGING
AG-SD-109 Publishing Date: 13.10.2015 Revision No: 0 Rev. Date:
4 OPERATION
4.1 Operation Procedure
You can find information about circuit breaker, first start-up, types of UPS operation tests,
turning UPS off, EPO and RS232 serial communication system in this section.
4.1.1 Circuit Breakers
The UPS has four circuit breakers accessible from the rear side. These are used for the AC input,
maintenance Bypass, output and the battery connections respectively.
Three-phase AC voltage is applied through CB1 to input of UPS.
AC input voltage will be applied directly to loads through CB2. In this way, maintenance
purposed switching is done properly. Owing to the auxiliary contact detail in CB3, if it is
activated while the UPS is operating, the mains activates Bypass static switches. The system
switches to maintenance mode without any interruption.
CB3 is used to connect or separate AC voltage that come from static switches
to the loads on UPS.
External batteries are connected to UPS through CB4.
UPS is overload, loads will be transferred to
static bypass line temporarily.
UPS is shut down for maintenance,
maintenance is supplied through Bypass.
*CB5-External Bypass switch is optional.
4.1.2 First Start-Up
Wait at least 5 seconds between each step.
1. Switch all the breakers to open circuit (OFF) position.
2. Push the Soft Start button (SW1) for 10 seconds at least.
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