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Table of Contents 

 

SCZF1 SSR Power Controller 

ii 

Ametek HDR Power Systems 

Rev 2 

 

TABLES 

 

Table 1.1  SCZF1 Model Number Breakdown

 ................................................................................................... 3

 

Table 1.2  General Specifications of SCZF1 SSR Models

 ............................................................................... 4

 

Table 4.1  Troubleshooting Chart (Symptoms and Solutions)

 ..................................................................... 12

 

Table 5.1  SCZF1 SSR Spare Parts List

 .......................................................................................................... 14

 

Table 5.2  SCZF1 SSR Drawing List

 ................................................................................................................ 14

 

 
 

 

 

 
 
 
 
 

Summary of Contents for SCZF1 SSR Series

Page 1: ... Maintenance Manual Number 9100043 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 SCZF1 SSR Series 15 65 Amperes Single phase Zero fired ...

Page 2: ...representative nearest you please call Ametek HDR Power Systems main office at 614 308 5500 Revision 1 October 2014 Initial Release Revision 2 July 2015 Revised Address 2014 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: ...ndicator 7 3 4 Zero and Span Adjustments 7 3 5 Command Input Control 7 3 6 Remote Manual Control with a Potentiometer 8 CHAPTER 4 TROUBLESHOOTING 10 4 1 Customer Service Program 10 4 2 Troubleshooting Typical Symptoms 10 4 3 Static Precautions when Servicing 10 4 4 Environmental Problems 11 4 5 Input Power and Load Connections 11 4 6 Correcting Troubles in the SCZF1 Itself 12 CHAPTER 5 SERVICE 13 ...

Page 4: ...R Power Systems Rev 2 TABLES Table 1 1 SCZF1 Model Number Breakdown 3 Table 1 2 General Specifications of SCZF1 SSR Models 4 Table 4 1 Troubleshooting Chart Symptoms and Solutions 12 Table 5 1 SCZF1 SSR Spare Parts List 14 Table 5 2 SCZF1 SSR Drawing List 14 ...

Page 5: ...r circuit breaker with this Power Controller is required to ensure the safety of operating personnel CAUTION HAZARDOUS VOLTAGES exist at the Power Controller Line and Load terminals AT ALL TIMES when input voltage is connected This condition exists even when the Power Controller is set to deliver zero output Printed circuit boards contain sensitive components that can be damaged by electrostatic d...

Page 6: ...Safety Instructions SCZF1 SSR Power Controller 2 Ametek HDR Power Systems Rev 2 ...

Page 7: ...ough to be used in place of mechanical contactors and mercury relays on dryers kilns ovens environmental chambers extruders molding equipment and other types of equipment which use resistive heat 1 3 Specification Specifications for the SCZF1 SSR power controller are given in Tables 1 1 and 1 2 Table 1 1 SCZF1 Model Number Breakdown SCZF1 480 25 NO LF 01 1 4 Option NO NC Thermostat Heatsink Thermo...

Page 8: ...0 Ω Isolation From power to ground 1 500 Vac Power SCRs protection Current surge Subcycle I T semiconductor fuse Transient voltage spikes dv dt SCCR Rating Metal Oxide Varistor MOV across each SCR pair 100kA Miscellaneous Zero firing timebase Variable see 3 1 Controls ZERO and SPAN potentiometers 10 turn screwdriver adjustable Approvals UL cUL E151547 CE Ambient Temperature range Environment 32 ºF...

Page 9: ...OTE Input power should be routed through a fused disconnect or circuit breaker with a fuse or trip rating of 100 to 125 of the current rating stamped on the nameplate of the SCZF1 series unit Torque Line and Load connection to 25 in lbs 2 4 Command Signal Input HDR s SCPF1 SSR Power Controllers have the capability of having a current voltage or potentiometer Command Signal input For current comman...

Page 10: ... by the SCZF1 Connect a potentiometer rated 500 ohms to 5 kΩ 1 2 Watt minimum as in Figure 2 2 or the schematic in Appendix A Remove jumper in Figure 3 1 Figure 2 2 Potentiometer Input Connections 2 5 Heatsink Thermostat Contacts Normally open N O or normally closed N C thermostat is mounted to the heat sink when this option is purchased This thermostat which close or open on high heat sink temper...

Page 11: ...e the period of two cycles one cycle on and one cycle off Hence the time base of the ZF1 would be the period of two cycles for 50 power and four cycles for 75 power The time base varies for other power levels as well so its period is always that of a whole number of cycles Keep in mind that SCZF1 units can only be used on resistive loads If an inductive load or a load with a large resistance chang...

Page 12: ...variable pulses to regulate the output f Repeat steps 3 5d through 3 5e as necessary to ensure proper control adjustments have been made g Turn off the line power to the SCZF1 and disconnect the test equipment The SCZF1 is now ready for operation 3 6 Remote Manual Control with a Potentiometer Some applications only require a manual control input and not a closed loop input from a process controlle...

Page 13: ...ustment Locations h Observe the voltmeter and slowly adjust the SPAN control CCW just to the point where the output voltage reading is at maximum i If necessary readjust ZERO with remote potentiometer fully CCW and SPAN with remote potentiometer fully CW j Turn off the line power to the SCZF1 and disconnect the test equipment ...

Page 14: ... caused by one or more of the following an environmental problem faulty input power or load connections and the SCZF1 itself These possible causes should be investigated as described in Chapters 4 4 through 4 6 4 3 Static Precautions when Servicing Servicing should be performed by qualified personnel only following procedures described herein If troubleshooting indicates a need to replace a compon...

Page 15: ...at transfer and free of obstructions which could prevent proper airflow Contamination The unit should be periodically cleaned of all dust and dirt However certain kinds of dust or particles are particularly conductive A small accumulation of conductive material can cause component failures from arc over or complete shorts High Ambient Temperature Lack of a proper ambient temperature check before i...

Page 16: ...wer Systems service Maximum power at all times regardless of control setting 2a All SCR networks shorted Disconnect power and check the front to back SCR pairs by measuring resistance between terminals LINE of the SSR and LOAD 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 defectiv...

Page 17: ...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 5 2 Spare Parts Orders Routine or Emergency Requests for spare parts should be directed to Inside Sales at Ametek HDR Power Systems during normal hours if possible or via any method shown above for off hour...

Page 18: ... Assy SCZF1 Firing Circuit SSR 90 A MOV 660 V 230J 7550070 2098000 7492110 6600010 1 1 1 1 65 Ampere Units Fuse 80 A 700 V PCB Assy SCZF1 Firing Circuit SSR 90 A MOV 660 V 230 J 7580070 2098000 7492110 6600010 1 1 1 1 5 4 Drawing List This Chapter contains drawings that show outline dimensions installation wiring as well as an overall schematic of the SCZF1 These drawings are useful in installing ...

Page 19: ...Y 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 PART 6 2 In house Repair Services For all repair service at Ametek HDR Power Systems you will need a Repair Material Authorization RMA number Call 614 308 5500 and request a Repair Material Authorization...

Page 20: ...Appendix SCZF1 SSR Power Controller 16 Ametek HDR Power Systems Rev 2 APPENDIX Appendix A System Schematic ...

Page 21: ...SCZF1 SSR Power Controller Appendix Rev 2 Ametek HDR Power Systems 17 Appendix B Outline R ...

Page 22: ...aration 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 23 EEC Year 1973 02 Degrees of protection provided No IEC 529 2nd Edition by enclosures IP Code Year 1989 11 Electromagnetic Compatibility No IEC89 336 EEC Year 1989 05 Warning All phase fired PF contro...

Page 23: ...Notes ...

Page 24: ...503 Lakeview Plaza Blvd Ste C Worthington Ohio 43085 USA ...

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