Pulsar AWZ 333 Quick Start Manual
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Pulsar AWZ 333 Quick Start Manual

Linear, buffer power supply unit
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AWZ 333
v.2.1
AWZ 13,8V/3A/17Ah/LM
Linear, Buffer Power Supply Unit
EN**
Edition: 4 from 16.09.2013
Supercedes the edition: 3 from 24.02.2012

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Summary of Contents for Pulsar AWZ 333

  • Page 1 AWZ 333 v.2.1 AWZ 13,8V/3A/17Ah/LM Linear, Buffer Power Supply Unit EN** Edition: 4 from 16.09.2013 Supercedes the edition: 3 from 24.02.2012...

  • Page 2: Table Of Contents

    AWZ333 Features:  13,8VDC/3A uninterrupted supply  STOP facility for manual disconnection during battery-assisted operation fitting battery: 17Ah/12V  LED indication  mains supply 230VAC  acoustic indication linear voltage regulator   BS technical output of AC power collapse ...

  • Page 3: Principle Of Operation

    1.2 Principle of operation. AWZ 333 is a stabilized transformer PSU with high factor of voltage stabilization. Mains supply ~230V is reduced by a transformer and then rectified by the system of rectifiers and a low pass filter. DC output voltage is gained in the linear regulator and it is adjusted according to the PSU operation type (charging phase and battery maintenance).
  • Page 4 AWZ333 AC pins: Z1, Z2 - configuration of time lag for AC failure indication  , Z2= time lag T= 0s  , Z2= time lag T= 5min , Z2= time lag T= 1h  , Z2= time lag T= 6h ...

  • Page 5: Specifications

    AWZ333 Table 2. Elements of the PSU (see Fig. 3.) Element no. Description Isolation transformer Pcb of the PSU (Tab. 1, Fig. 2) fuse in the battery circuit (230V/AC) MAIN [4], [5] L-N 230V/AC power supply connector, PE protection connector Battery connectors +BAT = red, - BAT = black Fig.
  • Page 6 AWZ333 Output current 3A (without a battery) 2,6A + 0,4A battery charge 2,1A + 0,9A battery charge (step 1 = 1,4A) Battery charge current 0,4A / 0,9A - jumper selectable Current consumption by PSU systems 15 mA max. 200% ÷ 250% of PSU power - current limitation and/or...

  • Page 7: Installation

    AWZ333 Fig. 4. Uwy=f(Io) diagram. 2. Installation 2.1 Requirements The buffer PSU is to be mounted by a qualified installer, holding relevant permits and licenses (applicable and required for a given country) for 230V/AC interference and low-voltage installations. The unit should be mounted in confined spaces, in accordance with the 1st environmental class, with normal relative humidity (RH=90% maximum, without condensing) and temperature from +5°C to +40°C.
  • Page 8 AWZ333 During normal PSU operation, the BS technical output is cut from ground (-AUX). In case lf 230V AC power outage, it is connected to ground (-AUX) after a time set by Z1, Z2 pins. - AW output indicating failure During normal PSU operation, the AW technical output is connected to ground.

  • Page 9: Operating Status Indication

    AWZ333 3. Operating status indication. The power supply unit features LED and acoustic status indication. PSU status can be remote-controlled by two technical outputs. 3.1 LED indication RED LED: twinkling – indicates failure status (Tab. 7)  GREEN LED: illuminating –...

  • Page 10: Technical Outputs

    AWZ333 3.3 Technical outputs. The PSU is equipped with two independent indication outputs, OC type (open collector). They enable transmitting the information about no AC power status and system faults. Fig. 6. Electrical diagram of OC outputs.  AW – failure output: an OC type output indicating a PSU failure. In normal state (during correct operation) the output connected to the ground, in case of the failure –...

  • Page 11: Battery Charging Current Limitation

    AWZ333 Caution:  test activation/deactivation is stored in the memory even after unplugging of the device  test deactivation turns off the fault indication at the AW output. It does not affect the battery complete discharge system, though. 4.4 Battery charging current limitation The PSU has a system that automatically limits the battery charging current: Ibat = 0,4A max.
  • Page 12 GENERAL WARRANTY CONDITIONS 1. Pulsar K. Bogusz Sp.j. (the manufacturer) grants a five-year warranty for the equipment, , counted from the device’s production date. 2. The warranty includes free-of-charge repair or replacement with an appropriate equivalent (the selection is at the manufacturer’s discretion) if the malfunction is due to the manufacturer, includes manufacturing or material defects, unless...

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