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RVS-DX Digital Soft Starter
Instruction Manual
Power Control Systems
April 1, 2004
Part Number: 188-10130
© Copyright 2004 Magnetek
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Contents: Disclaimer of Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii-iii Chapter1: Introduction Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Starter Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Chapter 2: Installation Physical Installat
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Chapter 7: Start-Up Procedure Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3 Start-Up Procedure with Pump Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5 Chapter 8: Troubleshooting Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Appendix A: Technical Data/Specifications T
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©2004 MAGNETEK All rights reserved. This notice applies to all copyrighted materials included with this product, including, but not limited to, this manual and software embodied within the product. This manual is intended for the sole use of the persons to whom it was provided, and any unauthorized distribution of the manual or dispersal of its contents is strictly forbidden. This manual may not be reproduced in whole or in part by any means whatsoever without the expressed written permissio
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Disclaimer of Warranty Magnetek, hereafter referred to as Company, assumes no responsibility for improper programming of a soft starter by untrained personnel. A soft starter should only be programmed by a trained technician who has read and understands the contents of this manual. Improper programming of a soft starter can lead to unexpected, undesirable, or unsafe operation or performance. This may result in damage to equipment or personal injury. Company shall not be liable for economic
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ATTENTION 1. This product was designed for compliance with IEC 947-4-2 for class A equipment. 2. RVS-DX are listed under UL508C. RVS-DX, Digital Soft Starter Instruction Manual—4/01/04 iii
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chapter 1 Introduction
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Overview The RVS-DX is a digital electronic soft starter, incorporating six SCR’s to start a three phase squirrel cage induction motor by supplying a slowly increasing voltage, providing soft start and smooth stepless acceleration, while drawing the minimum current necessary to start the motor. The RVS-DX is equipped with internal bypass relays initiated by its microprocessor control (on units 31-310 amps). Using the soft stop, the RVS-DX slowly reduces the motor voltage, thus softly stoppin
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Model Number Max. FLA Frame Size 230/460 Volts* 575 Volt 8 RVS-DX-8-D RVS-DX-8-E 17 RVS-DX-17-D RVS-DX-17-E A1 31 RVS-DX-31-D RVS-DX-31-E 44 RVS-DX-44-D RVS-DX-44-E 58 RVS-DX-58-D RVS-DX-58-E A2 72 RVS-DX-72-D RVS-DX-72-E 85 RVS-DX-85-D RVS-DX-85-E A3 105 RVS-DX-105-D RVS-DX-105-E 145 RVS-DX-145-D RVS-DX-145-E A4 170 RVS-DX-170-D RVS-DX-170-E 210 RVS-DX-210-D RVS-DX-210-E A5 310 RVS-DX-310-D RVS-DX-310-E 390 tbd RVS-DX-390-D RVS-DX-390-E *Dual rated soft starters come pre-set for 460 volts. To s
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chapter 2 Installation
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Physical Installation Location of the RVS-DX is important to achieve proper performance and normal operating life. The unit should be installed in an area where it will be protected from: • Direct sunlight, rain or moisture • Corrosive gases or liquids • Vibration, airborne dust or metallic particles When preparing to mount the RVS-DX, lift it by its base, never by the front cover. For effective cooling as well as proper maintenance, the RVS-DX must be installed on a flat, non-flammable verti
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Built in Bypass After Acceleration The bypass after acceleration allows the RVS-DX to control the motor during starting and stopping for smooth, step-less acceleration and deceleration. However, once up to full voltage the RVS-DX is bypassed to reduce the watt loss. The RVS-DX incorporates internal bypass relays allowing current flow through the SCR’s only during the soft start process. At the end of the soft start, the built-in relays bypass the SCR’s and carry current to the motor. Upon st
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chapter 3 RVS-DX Terminals and Wiring
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Control Terminals Terminal Function Description A1 Control Supply 120V control power must be connected at terminals A1 & A2. (Note 1) A2 Input from a N.O. maintained contact. Connect terminals A2 & B1 to start, and B1 Start/Stop open to stop. Input from a N.O. maintained contact. Connect terminals A2 & C1 to operate C1 Aux. Input the function. (Note 2) Auxiliary Output 13 Contact N.O. output contact can be set to Immediate or End of Acceleration. (Note 3). 14 (Note 3) 23 Fault Contact N.O.
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Typical Wiring Diagram RVS-DX, Digital Soft Starter Instruction Manual—04/01/04 3-4
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Operating “Inside the Delta” Using the RVS-DX soft starter “inside the delta” reduces the required soft starter rating by 1.73 ( √3) factor. For example, for a 150 amp, 460 volt motor, the RVS-DX-170-D is selected to operate in standard “line” mode. However, for “inside the delta” mode (150 amp ÷1.73=87 amps), the RVS- DX-105-D can be selected, thereby, reducing cost and physical space in the application. The following programming parameters are disabled, once the ‘inside the delta’ is selecte
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Typical Wiring for Inside the Delta Operation: RVS-DX, Digital Soft Starter Instruction Manual—04/01/04 3-6
