Ametek SHZF1 SCR Series Instruction, Operation And Maintenance Manual
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Ametek SHZF1 SCR Series Instruction, Operation And Maintenance Manual

Ametek SHZF1 SCR Series Instruction, Operation And Maintenance Manual

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SHZF1 SCR Series
15-120 Amperes
Single-phase
Zero-fired
SCR POWER CONTROLLER
Instruction, Operation and
Maintenance Manual
Number: 9100038
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 SHZF1 SCR Series

  • Page 1 SHZF1 SCR Series 15-120 Amperes Single-phase Zero-fired SCR POWER CONTROLLER Instruction, Operation and Maintenance Manual Number: 9100038 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 Aug 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 Correcting Troubles in the SHZF1 Itself CHAPTER 6 - SERVICE ............................. 19 Communication Procedures Spare Parts Orders – Routine or Emergency Spare Parts List Drawing List CHAPTER 7 – WARRANTY POLICY ........................ 23 Warranty In-house Repair Services Rev 3 Ametek HDR Power Systems...
  • Page 4 Table of Contents SHZF1 SCR Power Controller APPENDIX ................................25 Appendix A – SHZF1 System Schematic Appendix B – SHZF1 15-60 A Outline Appendix C – SHZF1 70-120 A Outline Appendix D – Declaration of Conformity Ametek HDR Power Systems Rev 3...

  • Page 5: Table Of Contents

    Table 4.1 Variable-Time-Base Relationship (Example) ................13 Table 5.1 Troubleshooting Chart (Symptoms and Solutions) ..............17 Table 5.2 Torque Specifications ........................17 Table 6.1 SHZF1 Spare Parts List ........................20 Table 6.2 SHZF1 Drawing List ......................... 21 Rev 3 Ametek HDR Power Systems...
  • Page 6 Table of Contents SHZF1 SCR Power Controller Ametek HDR Power Systems Rev 3...
  • Page 7 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. E151547 IEC 947-5-1 Made in U.S.A. 100kA SCCR Rev 3 Ametek HDR Power Systems...
  • Page 8 Safety Instructions SHZF1 SCR Power Controller Ametek HDR Power Systems Rev 3...

  • Page 9: Table 1.1 Shzf1 Model Number Breakdown

    70 A rms - 70 Manual Pot input - 05 90 A rms - 90 Others - xx 120 A rms - 120 NOTE: N.O. Thermostat is included in current ratings above 60 A. Rev 3 Ametek HDR Power Systems...

  • Page 10: Table 1.2 General Specifications Of Shzf1 Models

    ** 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 SHZF1 should be tested or operated with an adequate load since an open output will have line voltage at the load connections. Ametek HDR Power Systems Rev 3...

  • Page 11: Table 2.1 Wire Size Information

    If desired, normally-closed (N.C.) contacts may be substituted for the normally-open (standard). Heat sink thermostats are optional on units with current ratings lower than 90 amperes and can be ordered with either N.O. or N.C. contacts Rev 3 Ametek HDR Power Systems...

  • Page 12: Figure 2.1 Fan And Thermostat Connections

    The SHZF1 may be changed to accept a wide range of line voltages (120, 240, 400, 480, 575 Vac), so long as the load current does not exceed the SHZF1’s current rating. This is accomplished by performing the procedure described below. Ametek HDR Power Systems Rev 3...

  • Page 13: Figure 2.3 T1 Transformer Connections

    It is a good idea to identify the unit with a label or tag, noting that SHZF1 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 14 Installation SHZF1 SCR Power Controller Ametek HDR Power Systems Rev 3...

  • Page 15: Figure 3.1 Control Panel

    The SHZF1 is calibrated at the Factory for the specified input type and normally does NOT need adjustment. However, should a setup be required use the following methods. Refer to chapter 2.5 for the Command signal input configuration. Rev 3 Ametek HDR Power Systems...

  • Page 16: Figure 3.2 Process Controller Input Connections

    Set the SPAN control and remote potentiometer fully CCW. d. Close the fused disconnect or circuit breaker to apply power to the SHZF1. The unit should be energized, with no output. Ametek HDR Power Systems Rev 3...

  • Page 17: Figure 3.3 Remote Control With A Potentiometer

    Figure 4.4 and remove jumper from terminal TB1-7 and TB1-8. Install the AUTO/MAN switch in the same general location as the remote manual potentiometer. Note that the full CW position of the potentiometer is the full-power-output position. Figure 3.4 Auto/Man Control with Controller and Remote Potentiometer Rev 3 Ametek HDR Power Systems...

  • Page 18: Figure 3.5 On/Off Control

    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 SHZF1 output. Figure 3.6 Shutdown Control (Output Disabled By Contact Closure) Ametek HDR Power Systems Rev 3...

  • Page 19: Figure 4.1 Ac Switch

    SHZF1 would be the period of four cycles in this case – three cycles on and one cycle off. Table 4.1 Variable-Time-Base Relationship (Example) Control signal, % SCR Pair, Complete SCR Pair, Complete Power Demand On Cycles Off Cycles 100% Rev 3 Ametek HDR Power Systems...
  • Page 20 3 and terminal 4. This removes the input signal to the comparator that tells the circuit when to gate the SCRs on. It also instantaneously turns off the SCR gating pulses. Ametek HDR Power Systems Rev 3...
  • Page 21 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 5.
  • Page 22 If it is above 122 ºF (50 ºC), steps should be taken to provide more cooling, or the SHZF1 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 23: Table 5.1 Troubleshooting Chart (Symptoms And Solutions)

    If a shorted component is indicated in any of these cases, replace it. (2b) Firing control Return the power to the unit. If the problem persists, contact Ametek HDR section defective Power Systems service. Output is variable but can’t be brought to zero with ZERO control (3a) SCR network Check SCR network per solution 2a.
  • Page 24 Troubleshooting SHZF1 SCR Power Controller Ametek HDR Power Systems Rev 3...
  • Page 25 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 26: Table 6.1 Shzf1 Spare Parts List

    PCB Assy, DVDT 2099000 SCR/dual pkg, 142 A, 1400 V 6712114 120 Ampere Units Fuse, 150 A, 700 V 7515170I PCB Assy, ZF1 2099161 PCB Assy, DVDT 2099000 SCR/dual pkg, 162 A, 1400 V 6722114 Ametek HDR Power Systems Rev 3...

  • Page 27: Table 6.2 Shzf1 Drawing List

    Table 6.2 SHZF1 Drawing List Drawing Title Drawing No. Schematic, SHZF1 – 150 - 120 A S2710174 Outline & Mounting, SHZF1 – 15 - 60 A M2710274 Outline & Mounting, SHZF1 – 70 - 120 A M2710280 Rev 3 Ametek HDR Power Systems...
  • Page 28 Service SHZF1 SCR Power Controller Ametek HDR Power Systems Rev 3...
  • Page 29 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 30 SHZF1 SCR Power Controller 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 31 SHZF1 SCR Power Controller Appendix APPENDIX Appendix A – SHZF1 System Schematic Rev 3 Ametek HDR Power Systems...
  • Page 32 Appendix SHZF1 SCR Power Controller Appendix B – SHZF1 15-60 A Outline Ametek HDR Power Systems Rev 3...
  • Page 33 SHZF1 SCR Power Controller Appendix Appendix C – SHZF1 70-120 A Outline Rev 3 Ametek HDR Power Systems...
  • Page 34 SHZF1 SCR Power Controller Appendix D – Declaration of Conformity EC DECLARATION OF CONFORMITY AMETEK HDR POWER SYSTEMS 503 Lakeview Plaza Blvd, Ste C Worthington, Ohio, 43085 - USA Declare under our sole responsibility that the products listed below and bearing the CE label:...
  • Page 35 Notes:...
  • Page 36 503 Lakeview Plaza Blvd, Ste C Worthington, Ohio, 43085 USA...

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