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A lfa Radio Ltd.
11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8
sales@alfaradio.ca
A lfa RAU RAK BIG-RAK Rotators
This manual is for use with units sold by A lfa Radio Ltd. of Edmonton, Alberta,
Canada on or after March 1, 2022.
and may operate using different voltages.
Page
1 of 14
AlfaSpid_RAK_12APR2022.odt
780-466-5779
www.alfaradio.ca
Revised 12 APR 2022
http://www.alfaradio.ca
Copyright A lfaradio Ltd.
Units sold by others may have different firmware
2022

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Summary of Contents for AlfaRadio Alfa RAU RAK BIG-RAK

  • Page 1 A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca A lfa RAU RAK BIG-RAK Rotators Revised 12 APR 2022 http://www.alfaradio.ca This manual is for use with units sold by A lfa Radio Ltd. of Edmonton, Alberta, Canada on or after March 1, 2022.
  • Page 2: Table Of Contents

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca Table of Contents 1 INTRODUCTION ............................3 2 SPECIFICATIONS ............................4 3 INSTALLATION A LFA RAU RAK BIG-RAK ROTATORS ................. 5 3.1 W ................................5 IRING 3.2 U...
  • Page 3: Introduction

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca 1 Introduction A lfa Radio sells three azimuth only rotators - the RAU for light duty applica- tions, the RAK for medium duty applications and the BIG-RAK for applications...
  • Page 4: Specifications

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca 2 Specifications ROTATOR BIG-RAK Rotating Torque Rot1 Prog @ 18V 900 in lb or 102 N m 1800 in lb or 203 N m...
  • Page 5: Installation A Lfa Rau Rak Big-Rak Rotators

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca 3 INSTALLATION A lfa RAU RAK BIG-RAK Rotator 3.1 Wiring The rotator unit must be wired to the control TIP: unit with 4-wire cable.
  • Page 6 A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca Connection to BIG-RAK Rotator On the terminal strip in the picture to the left, pin 1 is on the left end and pin 4 is on the right end.
  • Page 7: Using The Alfa Rotator On Long Cable Runs

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca 3.2 Using the A lfa Rotator on long cable runs Since the motor uses relatively low DC voltage, a combination of long cable runs and/or thinner than required cable may reduce the voltage at the motor to an unacceptably low value.
  • Page 8: Rotator Mounting Bolts

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca to 10 amps DC is adequate. The diodes are general-purpose 1 style such as the 1N400X series. This information is presented as a guide to help the user realize a solution to the long cable run situation.
  • Page 9: Rotator Testing

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca 4 Rotator Testing: It is highly recommended that the rotator controller and rotator be setup on the bench before installing on a tower. This will give the operator a chance to become familiar with the equipment.
  • Page 10: Rotator Troubleshooting

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca 5 Rotator Troubleshooting If, for some reason, your A lfa rotator is not operating correctly, these are some troubleshooting tips. Before contacting A lfa Radio Ltd., please try the following tests: It is important to confirm correct operation before installation on the tower.
  • Page 11 A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca (not controller) Depends on the About 2 to 4 length of wire Pins 1 to 2 Ohms ________ to rotator Depends on the Open or from 600...
  • Page 12: Replacing Reed Switch Sensor

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca 6 Replacing Reed Switch Sensor: After completing the troubleshooting test in Section 5 above and determining that the Reed Switch sensor is faulty, replacing the Reed Switch is relatively easy.
  • Page 13 A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca Step 2 : Pull down the plastic carrier to expose the Reed Switch which can be seen next to the three copper studs on the left of the picture below.
  • Page 14: Month Limited Warranty

    A lfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 sales@alfaradio.ca 780-466-5779 www.alfaradio.ca 12 MONTH LIMITED WARRANTY Alfa Rotators and controllers A lfa Radio Ltd. warrants to original purchaser of the product, that the product will be free...

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