Alpha APX2-G Series Installation Manual

Non-standby power supplies

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Alpha APX2-G Series
Non-standby Power Supplies
Alpha APX2-G Series
Installation Manual
Effective: August, 2005
Alpha Technologies

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Table of Contents
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Summary of Contents for Alpha APX2-G Series

  • Page 1 Alpha APX2-G Series Non-standby Power Supplies Alpha APX2-G Series Installation Manual Effective: August, 2005 Alpha Technologies...
  • Page 2 Power Alpha Technologies ®...
  • Page 3 NOTE Review the drawings and illustrations contained in this manual before proceeding. If there are questions regarding the safe operation of this powering system, please contact Alpha Technologies or your nearest Alpha representative. NOTE Alpha denies responsibility for any damage or injury involving its enclosures, power supplies, generators, batteries, or other hardware when used for an unintended purpose, installed or operated in an unapproved manner, or improperly maintained.
  • Page 4: Table Of Contents

    Mounting Template ...................... 19 List of Figures Fig. 1-1, Alpha APX2-G Series Non-standby Power Supply (front view) ......8 Fig. 1-2, Alpha APX2-G without cover (left side view) ............9 Fig. 1-3, Alpha APX2-G without cover (right side view) ............9 Fig.
  • Page 5: Important Safety Instructions

    Important Safety Instructions! Review the drawings and illustrations contained in this manual before proceeding. If there are any questions regarding the safe installation or operation of the system, contact Alpha Technologies or the nearest Alpha representative. Save this document for future reference.
  • Page 6: Unpacking And Inspection

    8 centimeters of shock-absorbing material to prevent shipping damage. NOTE Do not use popcorn-type packing material. Alpha Technologies is not responsible for damage caused by improper packing on returned units. General Safety Precautions This product and its associated hardware may contain equipment, or parts which have accessible hazardous voltage or currents.
  • Page 7: Electrical Safety

    Enclosure, equipment or parts may be damaged or cause damage if used or installed improperly. To avoid damage: • Prior to installation, verify that the AC input voltage to the equipment matches with respect to voltage and frequency. • Prior to installation, verify that the output voltage from the equipment matches the voltage requirements of the connected equipment (load).
  • Page 8: Overview And Specifi Cations

    “ON” indicator, output coaxial terminal, ground connection, and a current shunt for output current measurement. The Alpha APX2-G series, along with the entire line of Alpha power products, is designed to be one of the most rugged, reliable, and cost-effective power supplies available. With over a million powering installations in more than 50 countries, Alpha is one of the world’s...
  • Page 9: Fig. 1-2, Alpha Apx2-G Without Cover (Left Side View)

    Overview and Specifi cations, cont. Ground stud Fig. 1-2, Alpha APX2-G without cover (left side view) Ground stud Fig. 1-3, Alpha APX2-G without cover (right side view) 016-550-B0-002 Rev. B...
  • Page 10: Alpha Apx2-G Series Specifi Cations

    Designs based on a ferroresonant transformer are extremely rugged and reliable, and offer many years of trouble-free operation. Alpha’s non-standby power supplies are extremely effi cient, and have a typical effi ciency rating of >90% at full load.
  • Page 11: Operation

    Clean output waveform Fig. 1-4, Ferroresonant ‘Tank’ Circuit and Resulting Output Waveform Operation NOTE: All controls and indicators for the Alpha APX2-G, except the power switch, are accessible on the faceplate of the unit. Power Switch, Input fuse Output Test Points...
  • Page 12: Installing An Alpha Apx2-G Unit

    The Alpha APX2-G series non-standby power supplies are designed to mount on a wooden, steel or concrete pole or wall. When installing an Alpha APX2-G on a pole, an approved mounting strap must go through the mounting slots of the unit and around the pole.
  • Page 13: Wall Mountinstallations

    Installing an Alpha APX2-G Unit, cont. Wall MountInstallations For wall mounting, securely fasten the unit to the wall with four 8mm screws (or bolts) of appropriate length, grade and material to support the unit. Required Materials Four 8mm screws for mounting on wood.
  • Page 14: Connecting An Alpha Apx2-G Unit

    O-Ring. 3. Screw the cable connector into the output port (large hex nut fi tting) located on the baseplate of the Alpha APX2-G. Make sure that the center pin extends far enough into the fi tting so that the seizure assembly can be secured.
  • Page 15: Utility Power Connection

    Ensure the tightness of the seizure screw for the cable “stinger.” Arcing may occur because of a loose connection. During routine maintenance, always check the seizure screw assembly to ensure that it is tight. Alpha is not responsible for damage to equipment or personnel because of incorrect taps or loose connections.
  • Page 16: Initial Startup

    3.0 Initial Startup The Alpha APX2-G must be tested before it is placed into service. Once utility and cable connections have been made, testing may begin. Procedure: 1. Before applying power, ensure that the AC LINE input switch is in the OFF position.
  • Page 17: Troubleshooting And Repair

    Check input circuit breaker Important Repair Instructions Before returning a unit to Alpha Technologies for repair, contact the nearest Alpha repair facility or sales offi ce to obtain a Return Material Authorization (RMA) number. The RMA must be clearly marked on the unit’s original shipping container. If the original container...
  • Page 18: Replacement Parts

    Troubleshooting and Repair, continued 4.3.3 Replacement Parts: The following parts can be replaced in the fi eld and are available from Alpha Technologies. To order parts, please specify the model number which appears on the nameplate, and contact your nearest Alpha sales offi ce.
  • Page 19: Mounting Template

    11.40cm Mounting Template Mark the holes and position drill according to the mounting hardware. Remove the black plastic plugs in order to tighten the mounting hardware. Please replace the plugs after tightening hardware. 22.90cm...
  • Page 22 CYPRUS Tel: +357-25-375675 Fax: +357-25-359595 Due to continuing product improvements, Alpha reserves the right to change specifi cations without notice. Copyright © 2005 Alpha Technologies, Inc. All rights reserved. Alpha is a registered trademark of Alpha Technologies. 016-550-B0-002 Rev B...

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