8--4
Powerware BPIV (10 kVA--30 kVA) Installation and Operation
164201406 Rev. C 013004
8.2.2 UPS Circuit Breakers
The UPS can contain as many as 10 circuit breakers, depending on the system
options. The UPS circuit breakers are described in detail in Chapter 10, “UPS
Operating Instructions.”
UPS Cabinet
CB1 controls the input to the UPS rectifier, while CB2 controls the battery input to the
UPS inverter. CB1 and CB2 are manually controlled.
Optional Battery Cabinet
A local battery circuit breaker controls the output of each battery cabinet, providing
the ability to service each battery string individually.
Optional Options Cabinet
Input, output, and bypass circuit breakers control the flow of current to and from the
installed transformers.
8.2.3 Smart LOAD OFF
A smart
LOAD OFF
pushbutton is provided for situations where you must quickly
control the UPS output. The pushbutton is located on the front of the UPS for
quick access, but provides a safety feature to prevent inadvertent load dumps. The
LOAD OFF
pushbutton is described in detail in Chapter 10, “UPS Operating
Instructions.”
8.2.4 Maintenance Bypass Switch
An internal Maintenance Bypass switch is provided to completely isolate the main
power processing unit of the UPS during service. The
Maintenance Bypass
Switch
is described in detail in Chapter 10, “UPS Operating Instructions.”
8.2.5 Cold Start Switch
A Cold Start switch is provided to start the UPS in Battery Mode when no
commercial power is available. The
Cold Start Switch
is described in detail in
Chapter 9, “UPS Operating Instructions.”
Summary of Contents for BPIV
Page 1: ...www powerware com BPIV INSTALLATION OPERATION MANUAL UPS 10 15 kVA 20 30 kVA...
Page 263: ......
Page 264: ...164201406 Rev C 164201406C...