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Ametek RF1 SCR Series Instruction, Operation And Maintenance Manual
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Ametek RF1 SCR Series Instruction, Operation And Maintenance Manual

Ametek RF1 SCR Series Instruction, Operation And Maintenance Manual

Scr power controller
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RF1 SCR Series
15-225 Amperes
Single-phase
Phase-fired
SCR POWER CONTROLLER
Instruction, Operation and
Maintenance Manual
Number: 9100046
Revision 3
530 La keview Pl aza Blvd, Ste C
Worthington, O hio, USA 43085
To l l F r e e : 1 - 8 8 8 - P W R - C N T L ( 7 9 7 - 2 6 8 5 )
P h o n e : 6 1 4 - 3 0 8 - 5 5 0 0
F a x : 6 1 4 - 3 0 8 - 5 5 0 6
We b :
w w w. h d r p o w e r. c o m

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Summary of Contents for Ametek RF1 SCR Series

  • Page 1 RF1 SCR Series 15-225 Amperes Single-phase Phase-fired SCR POWER CONTROLLER Instruction, Operation and Maintenance Manual Number: 9100046 Revision 3 530 La keview Pl aza Blvd, Ste C Worthington, O hio, USA 43085 To l l F r e e : 1 - 8 8 8 - P W R - C N T L ( 7 9 7 - 2 6 8 5 )
  • Page 2 Revision 2 July 2015 Revised Address Revision 3 August 2022 General Revision  2022 by Ametek HDR Power Systems. No portion of this document may be reproduced either mechanically or electronically without the prior consent of Ametek HDR Power Systems...
  • Page 3 Static Precautions when Servicing Environmental Problems Input Power and Load Connections Correcting Troubles in the RF1 Itself CHAPTER 6 - SERVICE ............................. 22 Communication Procedures Spare Parts Orders – Routine or Emergency Spare Parts List Rev 3 Ametek HDR Power Systems...
  • Page 4 RF1 SCR Power Controller CHAPTER 7 – WARRANTY POLICY ........................ 24 Warranty In-house Repair Services APPENDIX ................................26 Appendix A – System Schematic Appendix B – 30-60 A Outline Appendix C – 90-225 A Outline Ametek HDR Power Systems Rev 3...
  • Page 5 Table 2.1 Wire Size Information ........................7 Table 2.2 Transformer Voltage Wiring ......................9 Table 5.1 Troubleshooting Chart (Symptoms and Solutions) ..............21 Table 6.2 Torque Specifications ........................21 Table 6.1 RF1 Spare Parts List ........................23 Rev 3 Ametek HDR Power Systems...
  • Page 6 Table of Contents RF1 SCR Power Controller Ametek HDR Power Systems Rev 3...
  • Page 7 In case of fire, use a dry chemical fire extinguisher to put out the fire. Using a liquid fire extinguisher may cause electric shock. The SCR Power Controller makes use of components dangerous for the environment (electronic printed circuit boards, electronic components). The components removed must be taken to specialized collection and disposal centers. Rev 3 Ametek HDR Power Systems...
  • Page 8 Safety Instructions RF1 SCR Power Controller Ametek HDR Power Systems Rev 3...
  • Page 9 480V chart provided below. For example, a 240V system the kVA would be half that on the chart for any given kVA. The kVA is based upon the one cycle surge ratings of the SCRs installed in each of the power controls. Rev 3 Ametek HDR Power Systems...
  • Page 10 The rate of increase is limited to approximately 100% over four seconds. The standard extended ramp time is 12 cycles. Additional Options The options described above are the ones most commonly used. Additional options are available. For more information, contact Ametek HDR Power Systems. Ametek HDR Power Systems Rev 3...
  • Page 11 ** If you will be using temperature/process controller, specify its output; e.g., 4-20 mA, 0-10 Vdc, 2-10 Vdc, etc. with your order. NOTE: The RF1 should be tested or operated with an adequate load since an open output will have line voltage at the load connections. Rev 3 Ametek HDR Power Systems...
  • Page 12 Description RF1 SCR Power Controller Ametek HDR Power Systems Rev 3...
  • Page 13 Table 1.3 for fan power requirements by model. The RF3 terminals available for the 120 Vac fan connections are shown Figure 2.1 and in the schematic in Appendix A. Optional 220 Vac fans are available. Rev 3 Ametek HDR Power Systems...
  • Page 14 Command Signals. Zero based Command Signals may have a small amount of non-linearity (input to output) at the low end. This should not be a problem on closed loop systems. Current Input Voltage / Manual Pot Input Figure 2.2 Isolated/Non-Isolated Switches Ametek HDR Power Systems Rev 3...
  • Page 15 It is a good idea to identify the unit with a label or tag, noting that RF1 has been modified for line voltage other than what it was specified for. This may prevent accidental use on an incorrect line voltage in the future. Rev 3 Ametek HDR Power Systems...
  • Page 16 Installation RF1 SCR Power Controller Ametek HDR Power Systems Rev 3...
  • Page 17 Command signal input configuration. a. Set the ZERO and SPAN controls fully CCW (counterclockwise). b. Connect a voltmeter across terminals X1 and X2 of the RF1. Set the voltmeter range to measure full input voltage. Rev 3 Ametek HDR Power Systems...
  • Page 18 With the power to the RF1 turned off, connect the potentiometer as shown in Figure 3.3. The CW position is the full power output position. Terminal TB1-5 is internally connected to a positive dc voltage source. Figure 3.3 Remote Control with a Potentiometer Ametek HDR Power Systems Rev 3...
  • Page 19 3.3h. On/Off Control Some applications require that a simple ON/OFF type control be used. The unit can be used in these simple applications. It can be connected for turn on by a contact closure. Rev 3 Ametek HDR Power Systems...
  • Page 20 When it is necessary to shutdown or disable the output, it is a simple matter. Connect a dry contact closure between terminals 3 and 4 of the firing circuit as shown in Figure 3.6. A closed contact will disable the RF1 output. Figure 3.6 Shutdown Control (Output Disabled By Contact Closure) Ametek HDR Power Systems Rev 3...
  • Page 21 If the auto reset is Off, momentarily press the RESET pushbutton on the Current Limit option PCB on the inside front door. The power controller should turn on. Figure 3.7 Current Limit/Trip Board Rev 3 Ametek HDR Power Systems...
  • Page 22 Operation RF1 SCR Power Controller Ametek HDR Power Systems Rev 3...
  • Page 23 For each cycle of input there is one cycle of oscillator output. By this method, the RF1’s output will be held at 50 Hz or 60 Hz, depending on configuration. The input signal is filtered, then compared to the oscillator, improving noise immunity over conventional sync circuits. Rev 3 Ametek HDR Power Systems...
  • Page 24 This protection is necessary to prevent large surge currents associated with transformers and similar loads when power is first applied to them. The circuit comes into play during startup or after a power interruption of several cycles’ duration. Ametek HDR Power Systems Rev 3...
  • Page 25 Ametek HDR Power Systems emphasizes customer satisfaction by maintaining a rapid-response and cooperative customer-service. If operational difficulties occur, Ametek HDR Power Systems will provide replacement parts or units quickly, courteously and efficiently. If servicing problems arise that are not within the scope of the following troubleshooting guide, service is readily available, as detailed in Chapter 6.
  • Page 26 If it is above 122 ºF (50 ºC), steps should be taken to provide more cooling, or the RF1 should be moved to a cooler location, or call the Ametek HDR Power Systems service department. Excessive Vibration. A significant degree of pitched or unpitched vibration can cause numerous problems.
  • Page 27 Install a good fuse in the circuit, and apply power to the RF1. If the output is fully controllable using the manual control, then resume normal operation. If the power output is still zero, contact Ametek HDR Power Systems service. Maximum power at all times regardless of control setting.
  • Page 28 Answering Service operator of the nature and degree of your problem. In such cases the operator is authorized to call Ametek HDR Power Systems Service. We cannot, however, guarantee that service assistance will be available at any given off-hour time.
  • Page 29 PCB Assy, PF1 Extended Gate 2099160 PCB Assy, DVDT 2099000 SCR/dual pkg, 142 A, 1400 V 6712114 120 Ampere Units PCB Assy, PF1 Extended Gate 2099160 PCB Assy, DVDT 2099000 SCR/dual pkg, 162 A, 1400 V 6722114 Rev 3 Ametek HDR Power Systems...
  • Page 30 AMETEK HDR warrants that the equipment delivered will be free from defects in workmanship and material for a period of five years from the date of shipment. AMETEK HDR will repair or replace, at AMETEK HDR's option, any part found defective during proper and normal use, provided that written notice of the nature of the defect is received by AMETEK HDR within the five year warranty period and that the customer returns the part to AMETEK HDR freight paid both ways.
  • Page 31 RF1 SCR Power Controller Warranty Field Service Repairs Repairs may be performed at your location. Please contact Ametek HDR Power Systems at (614) 308-5500 to discuss terms and conditions, to get the current service rates and to schedule field repairs at your location.
  • Page 32 Warranty RF1 SCR Power Controller APPENDIX Appendix A – System Schematic Ametek HDR Power Systems Rev 3...
  • Page 33 RF1 SCR Power Controller Appendix Appendix B – 30-60 A Outline Rev 3 Ametek HDR Power Systems...
  • Page 34 Warranty RF1 SCR Power Controller Appendix C – 90-225 A Outline Ametek HDR Power Systems Rev 3...
  • Page 35 Notes:...
  • Page 36 503 Lakeview Plaza Blvd, Ste C Worthington, Ohio, 43085 USA...