User Instructions

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2
PSU features.
Compliant with the requirements of the
EN 54-4:1997+AC:1999+A1:2002+A2:2006
and EN 12101-10:2005+AC:2007standards and
pt. 12.2 of the Regulation of the Minister of Interior and
Administration of the Republic of Poland of 20.06.2007
Power supply for the call station of the DSO system, e.g.
the PVA-15CST and two PVA-20CSE extensions by
BOSCH
24V DC Uninterruptible Power Supply
Single battery power supply (7Ah /12V)
Wide supply voltage range (176-264V AC)
Low ripple voltage
Microprocessor-based automation system
Measurement of the resistance of the battery circuit
Automatic temperature compensation of the battery
charging
Battery test
Two-phase battery charging
The accelerated battery charging
Battery electrical continuity control
Battery voltage control
Battery fuse status control
Battery charge and maintenance control
Deep discharge battery protection (UVP)
Battery overload protection.
Battery output protection against short-circuit
and reverse polarity connection
Output voltage control
Acoustic indication of failure
Technical inputs/outputs with galvanic isolation
Technical outputs - relay type.
ALARM technical output of collective failure
EPS technical output of 230V AC power
failure indication
PSU technical output of power supply failure
indication
APS technical output of battery failure
indication
LED Optical indication.
Protection types:
SCP short-circuit protection
OLP overload protection
Convection cooling.
Warranty - 3 year from the production date