Ametek SHZF2 SCR Series Instruction, Operation And Maintenance Manual Download Page 47 | Manualshive

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Summary of Contents for SHZF2 SCR Series

Page 1: ...enance Manual Number 9100041 Revision 2 530 Lakeview Plaza Blvd Ste C Worthington Ohio USA 43085 Toll Free 1 888 PWR CNTL 797 2685 Phone 614 308 5500 Fax 614 308 5506 Web www hdrpower com SHZF2 SHZF3...

Page 2: ...representative nearest you please call Ametek HDR Power Systems main office at 614 308 5500 Revision 1 September 2014 Initial Release Revision 2 July 2015 Revised Address 2015 by Ametek HDR Power Syst...

Page 3: ...ptions 10 CHAPTER 4 OPERATION 11 4 1 General 11 4 2 Front Panel Indicators 11 4 3 Command Input Control 11 4 4 Remote Manual Control with a Potentiometer 12 4 5 Auto Manual Control with a Controller a...

Page 4: ...outine or Emergency 27 8 3 Spare Parts List 28 8 4 Drawing List 30 CHAPTER 9 WARRANTY POLICY 31 9 1 Warranty 31 9 2 In house Repair Services 31 APPENDIX 33 Appendix A SHZF2 System Schematic 33 Appendi...

Page 5: ...Figure 4 6 Shutdown Control 14 Figure 4 7 Unbalance Alarm Board 16 Figure 4 8 Shorted SCR Alarm Board 16 Figure 4 9 Unbalance Block Diagram 17 Figure 6 1 AC Switch 21 TABLES Table 1 1 SHZF2 and SHZF3...

Page 6: ...Table of Contents SHZF2 SHZF3 SCR Power Controller iv Ametek HDR Power Systems Rev 2...

Page 7: ...disconnect or circuit breaker with this Power Controller is required to ensure the safety of operating personnel CAUTION HAZARDOUS VOLTAGES exist at the Power Controller Load AT ALL TIMES when input v...

Page 8: ...Safety Instructions SHZF2 SHZF3 SCR Power Controller 2 Ametek HDR Power Systems Rev 2...

Page 9: ...quency Interference is virtually eliminated Zero Fired controllers are versatile enough to be used in place of mechanical contactors and mercury relays on dryers kilns ovens environmental chambers ext...

Page 10: ...nsient voltage spikes dv dt Metal Oxide Varistor MOV and R C snubber across each SCR pair all SCRs have PIV rating of 1 400 V Three phase voltage imbalance 5 maximum from leg to leg SCCR Rating 100kA...

Page 11: ...sensitivity if small current unbalances are to be detected under controlled conditions Five light emitting diodes LEDs are provided to give a visual indication of the board s operation If Option SF a...

Page 12: ...Options SHZF2 SHZF3 SCR Power Controller 6 Ametek HDR Power Systems Rev 2...

Page 13: ...HZF3is not phase rotation insensitive That is three phase input power can be connected in any sequence to terminals L1 L2 and L3 and will not cause an out of phase condition The fuses included are NOT...

Page 14: ...Fan and Thermostat Connections 3 5 Command Signal Input HDR s Zero Fired SCR Power Controllers have the capability of having either an isolated current or non isolated voltage Command Signal input Th...

Page 15: ...HZF2 SHZF3 SCR Power Controller on line voltages other than what was specified when originally ordered The SHZF2 SHZF3 may be changed to accept a wide range of line voltages 120 240 400 480 575 Vac so...

Page 16: ...unit with a label or tag noting that SHZF2 SHZF3 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 3 8...

Page 17: ...d Signal Indicator The Command Signal Indicator is a green Light Emitting Diode LED located on the front cover of the unit The brilliance of this LED will change with a current Command Signal The bril...

Page 18: ...te Manual Control with a Potentiometer Some applications only require a manual control input and not a closed loop input from a process controller This potentiometer may be located on a remote panel n...

Page 19: ...may be desirable to be able to operate the unit manually The SCR Power Controller has this capability designed into it Connect the Command Signal a Remote Manual control and an Auto Manual switch in...

Page 20: ...3 Figure 4 5 On Off Control 4 7 Shutdown 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 s...

Page 21: ...three phase currents are above the alarm setpoint the amber LED indicates that the line currents are insufficient to determine a load failure and the red LED indicates the alarm condition Each LED is...

Page 22: ...when the SCRs are not shorted If an SCR shorts the respective green LED will go out and the red alarm LED will light and the Form C relay will energize The relay output is on terminals 81 N O 82 Commo...

Page 23: ...SHZF2 SHZF3 SCR Power Controller Operation Rev 2 Ametek HDR Power Systems 17 Figure 4 9 Unbalance Block Diagram...

Page 24: ...Operation SHZF2 SHZF3 SCR Power Controller 18 Ametek HDR Power Systems Rev 2...

Page 25: ...impedances the output currents will have a 5 unbalance This factor alone is one of the most significant when one considers how many heating elements to monitor with one unbalance alarm circuit The lin...

Page 26: ...the DIP switches Only adjust these potentiometers if you are measuring the test points and trimming out current errors under controlled conditions If you are only using 3 or 4 heating elements per leg...

Page 27: ...ow level voltage or milliampere output signal The firing control circuit may also be turned on and off by an external switch or relay contacts Chapter 4 discusses some external control methods 6 3 Var...

Page 28: ...r is exactly equal to the frequency of the input signal For each cycle of input there is one cycle of oscillator output By this method the SHZF2 SHZF3 s output will be held at 50 Hz or 60 Hz depending...

Page 29: ...variable from zero to some intermediate value but cannot be brought to maximum The symptoms listed may be caused by one or more of the following an environmental problem faulty input power or load co...

Page 30: ...any item or structure near the SHZF2 SHZF3 power modules Heat sink fins should be free of dust or dirt for proper heat transfer and free of obstructions which could prevent proper airflow Contaminati...

Page 31: ...L1 of the SCR and X1 On the Rx1 scale the resistance should be infinite in both directions If a shorted component is indicated in any of these cases replace it 2b Firing control section defective Ret...

Page 32: ...Troubleshooting SHZF2 SHZF3 SCR Power Controller 26 Ametek HDR Power Systems Rev 2...

Page 33: ...l arrange for service at your site or by shipment to Ametek HDR Power System as you request We will make every possible attempt to support your emergency on site needs regardless of how contacted 8 2...

Page 34: ...its Fuse 80 A 700 V PCB Assy ZF2 PCB Assy DVDT SCR dual pkg 90 A 1400 V 7580070I 2099158 2099000 6791114 3 1 2 2 60 Ampere Units Fuse 80 A 700 V PCB Assy ZF2 PCB Assy DVDT SCR dual pkg 90 A 1400 V 758...

Page 35: ...ZF2 PCB Assy DVDT SCR dual pkg 90 A 1400 V 7580070I 2099162 2099000 6791114 3 1 3 3 90 Ampere Units Fan axial 115 Vac 110 CFM Fuse 125 A 700 V PCB Assy PF3 PCB Assy DVDT SCR dual pkg 90 A 1400 V 45200...

Page 36: ...ng and troubleshooting all SHZF2 SHZF3 models Table 7 2 lists the drawings for each model Appendix provides simplified drawings in the order of their appearance Drawings may also be downloaded from ww...

Page 37: ...ITY STRICT LIABILITY OR OTHERWISE IN NO EVENT WILL AMETEK HDR BE LIABLE FOR INCIDENT OR CONSEQUENTIAL DAMAGES NOR IN ANY EVENT SHALL HDR S LIABILITY EXCEED THE UNIT PRICE OF ANY DEFECTIVE PRODUCT OR P...

Page 38: ...Power Systems Rev 2 9 3 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 servi...

Page 39: ...SHZF2 SHZF3 SCR Power Controller Appendix Rev 2 Ametek HDR Power Systems 33 APPENDIX Appendix A SHZF2 System Schematic Note Fans and Thermostats may not be included in certain models...

Page 40: ...Appendix SHZF2 SHZF3 SCR Power Controller 34 Ametek HDR Power Systems Rev 2 Appendix B SHZF3 System Schematic Note Fans and Thermostats may not be included in certain models...

Page 41: ...SHZF2 SHZF3 SCR Power Controller Appendix Rev 2 Ametek HDR Power Systems 35 Appendix C SHZF2 15 25 A Outline R...

Page 42: ...Appendix SHZF2 SHZF3 SCR Power Controller 36 Ametek HDR Power Systems Rev 2 Appendix D SHZF2 30 225 A Outline R...

Page 43: ...SHZF2 SHZF3 SCR Power Controller Appendix Rev 2 Ametek HDR Power Systems 37 Appendix G SHZF3 15 25 A Outline R...

Page 44: ...Appendix SHZF2 SHZF3 SCR Power Controller 38 Ametek HDR Power Systems Rev 2 Appendix H SHZF3 30 225 A Outline R...

Page 45: ...claration relates is in conformity with the technical requirements of the following documents Title Low voltage switchgear No IEC 947 5 1 and control gear Year 1990 03 Low Voltage Directive No IEC 73...

Page 46: ...Appendix SHZF2 SHZF3 SCR Power Controller 40 Ametek HDR Power Systems Rev 2...

Page 47: ......

Page 48: ...503 Lakeview Plaza Blvd Ste C Worthington Ohio 43085 USA...

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