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Unicont SPb Ltd

Power supply unit

PS-303
Technical Documentation
(303-4-04022011)
St. Petersburg
2011

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Summary of Contents for Unicont SPb PS-303

  • Page 1: Power Supply Unit

    Unicont SPb Ltd Power supply unit PS-303 Technical Documentation (303-4-04022011) St. Petersburg 2011...
  • Page 2: Table Of Contents

    Technical Documentation PS-303 Table of Contents 1. GENERAL INFORMATION..................3 2. DELIVERY SET.......................3 3. TECHNICAL DATA......................3 4. DESCRIPTION AND FUNCTIONALITY OF THE PS-303 PSU ......4 5. INSTALLATION AND CONNECTION................5 6. TRANSPORTATION AND STORAGE ..............11 7. WARRANTY ........................12 8. DATE OF PACKING.....................13 9.
  • Page 3: General Information

    Technical Documentation PS-303 General Information The PS-303 power supply unit (PSU) is designed to supply stabilized 12 V or 24 V to various shipboard and commercial consumers. A load transfer function is integrated into the PSU, which ensures that in case of a failure in the main power supply it will switch over to an external battery or to an emergency DC network.
  • Page 4: Description And Functionality Of The Ps-303 Psu

    PS-303 input and output. Description and Functionality of the PS-303 PSU The PS-303 has two inputs, i.e. input #1 for the main network and input #2 for the backup one, two terminals for the loads, and light emitting diodes indicating power supply from the main network or from the backup one (see Figure 1).
  • Page 5: Installation And Connection

    Unicont SPb Ltd Technical Documentation PS-303 The PS-303 is protected from a short circuit in the load circuit with two fuses. If the short circuit protection has been activated, switch the PSU off, eliminate the cause of the short circuit, replace the fuses and switch the PSU on again.
  • Page 6 Unicont SPb Ltd Technical Documentation PS-303 Figure 2 PSU installation drawing Page 6...
  • Page 7 OUTPUT / Выход INPUT / Вход GROUND 24 VDC 24 VDC 24 VDC 220 VDC 24 V (Batt) 220 V AC Input №2 Input №1 Load #1 Load #2 Нагрузка №1 Нагрузка №2 Figure 4 PS-303 connection diagram (220/24-24). Page 7...
  • Page 8 Unicont SPb Ltd Technical Documentation PS-303 Figure 5 PS-303 connection diagram (220/12-12). PS-303 OUTPUT / Выход INPUT / Вход GROUND 24 VDC 24 VDC 24 VDC 24 VDC 19..36 (Batt) 24 V DC Input №2 Input №1 Load #1 Load #2 Нагрузка...
  • Page 9 OUTPUT / Выход INPUT / Вход GROUND 12 VDC 12 VDC 24 VDC 220 VAC 19..36 (Batt) 220 V AC Input №2 Input №1 Load #1 Load #2 Нагрузка №1 Нагрузка №2 Figure 8 PS-303 connection diagram #3 (220/24-12). Page 9...
  • Page 10 Unicont SPb Ltd Technical Documentation PS-303 Figure 9 PS-303 connection diagram #3 (12/12-12). Figure 10 PS-303 connection diagram #3 (24/24-12). Page 10...
  • Page 11: Transportation And Storage

    Unicont SPb Ltd Technical Documentation PS-303 Transportation and Storage The battery charger shall be stored in heated space at air temperature of +5 ºС to +35 ºС (maximum values of -60 ºС to +70 ºС), at relative humidity of air not exceeding 95 % at temperature of +25 °C and content of dust, oil, moisture and aggressive admixtures in the air not...
  • Page 12: Warranty

    Technical Documentation PS-303 Warranty The manufacturer guarantees the unit PS-303 complies with this manual provided that the operation, transportation and storage conditions are adhered to during the warranty period. The unit’s warranty period expires 24 months from the date of its shipping from the manufacturer’s storehouse.
  • Page 13: Date Of Packing

    Unicont SPb Ltd Technical Documentation PS-303 DATE OF PACKING Power supply unit PS-303 № name of article designation serial number Packed Unicont SPb Ltd., Russia. Manufacturer according to the requirements of the current technical documentation. post signature clarification of signature...

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