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Real-El STAB-500 M Operation Manual

Automatic voltage regulator

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OPERATION MANUAL
AUTOMATIC VOLTAGE
REGULATOR
STAB-500 M

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Summary of Contents for Real-El STAB-500 M

  • Page 1 OPERATION MANUAL AUTOMATIC VOLTAGE REGULATOR STAB-500 M...
  • Page 2: Table Of Contents

    STAB-500 M Operation Manual Congratulations on your purchase of the REAL-EL automatic voltage regulator! COPYRIGHT © 2020. ENEL GROUP OU. This Manual and information contained in are copyrighted. All rights reserved. TRADEMARKS All trademarks are the property of their legal holders.
  • Page 3: Safety Precautions

    For the list of authorized service centers please go to www.real-el.com. Do not let liquid get inside the device, it can cause short circuit or electric shock.
  • Page 4: Description

    STAB-500 M Operation Manual Features LED Display Toroidal transformer with automatic overload protection Delay of switching on 180 sec Zero-cross switching technology Microprocessor control Maximum protection against high voltage, low voltage, short circuit, overheating and overload 5. DESCRIPTION GREEN LED (indicator of “Power On”) LED Display: input/output voltage YELLOW LED (indicator of “Delaying”)
  • Page 5: Installation

    STAB-500 M Operation Manual 6. INSTALLATION Attention! Before connecting the regulator, make sure that all consumer devices con- nected to it are off. Before installing the AVR, please make sure that total power of all voltage consumers is lower than AVR power. Taking into account the starting load and power factor of voltage consumers, it is necessary to apply power margin factor of 1.2–1.5;...
  • Page 6: Troubleshooting

    STAB-500 M Operation Manual 7. TROUBLESHOOTING Problem Cause Solution The AVR does not start. 1. Press the switch once again. 2. There is no voltage in the 2. Make sure that power supply power supply network. is available. 3. The fuse has activated.
  • Page 7 ® Registered Trademark of ENEL GROUP OU. Estonia.