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SHZF2/SHZF3 SCR Series
15-225 Amperes
Two/Three-phase
Zero-fired
SCR POWER CONTROLLER
Instruction, Operation and
Maintenance Manual
Number: 9100041
Revision 2
530 Lakeview Plaza Blvd, Ste C
Worthington, Ohio, 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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Table of Contents
Troubleshooting
Related Manuals for Ametek SHZF2 SCR Series
Summary of Contents for Ametek SHZF2 SCR Series
- Page 1 SHZF2/SHZF3 SCR Series 15-225 Amperes Two/Three-phase Zero-fired SCR POWER CONTROLLER Instruction, Operation and Maintenance Manual Number: 9100041 Revision 2 530 Lakeview Plaza Blvd, Ste C Worthington, Ohio, 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 :...
- Page 2 Revision 1 September 2014 Initial Release Revision 2 July 2015 Revised Address 2015 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...
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Page 3: Table Of Contents
CHAPTER 7 – TROUBLESHOOTING ....................... 23 Customer-Service Program Troubleshooting Typical Symptoms Static Precautions when Servicing Environmental Problems Input Power and Load Connections Rev 2 Ametek HDR Power Systems... - Page 4 Appendix C – SHZF2 15,25 A Outline Appendix D – SHZF2 30-225 A Outline Appendix G – SHZF3 15, 25 A Outline Appendix H – SHZF3 30-225 A Outline Appendix K – Declaration of Conformity Ametek HDR Power Systems Rev 2...
- Page 5 Table 7.2 Torque Specifications ........................25 Table 8.1 SHZF2 Spare Parts List ........................28 Table 8.2 SHZF3 Spare Parts List ........................29 Table 8.3 SHZF2/SHZF3 Drawing List ......................30 Rev 2 Ametek HDR Power Systems...
- Page 6 Table of Contents SHZF2/SHZF3 SCR Power Controller Ametek HDR Power Systems Rev 2...
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Page 7: Important Safety Instructions
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 2 Ametek HDR Power Systems... - Page 8 Safety Instructions SHZF2/SHZF3 SCR Power Controller Ametek HDR Power Systems Rev 2...
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Page 9: Table 1.1 Shzf2 And Shzf3 Model Number Breakdown
Manual Pot input - 05 Can have multiple selections 120 A rms - 120 Others - xx 180 A rms - 180 225 A rms - 225 NOTE: N.O. Thermostat is included in current ratings above 60 A. Rev 2 Ametek HDR Power Systems... -
Page 10: Table 1.2 General Specifications Of Shzf2/Shzf3Models
** 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 SHZF2/SHZF3should 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 2... -
Page 11: Chapter 2 - Options
LED will light and the Form C relay will energize. Relay output and terminals for connection are provided. Additional Options The options described above are the ones most commonly used. Additional options are available. For more information, contact Ametek HDR Power Systems. Rev 2 Ametek HDR Power Systems... - Page 12 Options SHZF2/SHZF3 SCR Power Controller Ametek HDR Power Systems Rev 2...
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Page 13: Table 3.1 Wire Size Information
3.1. Refer to Table 1.2 for fan power requirements by model. The SHZF2/SHZF3 terminals available for the 120 Vac fan connections are shown Figure 3.1 and in the schematic at the rear of this manual. Rev 2 Ametek HDR Power Systems... -
Page 14: Figure 3.1 Fan And Thermostat Connections
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. Ametek HDR Power Systems Rev 2... -
Page 15: Figure 3.2 Isolated/Non-Isolated Switches
1. Open the SCR power controller, and locate transformer T1. The primary side of T1 transformer will contain two wires (one black, the other white and black). Refer to Figure 3.3. Rev 2 Ametek HDR Power Systems... -
Page 16: Figure 3.3 T1 Transformer Connections
60 - 225 A Phase 1 CT connects to terminals 51 and 52; Phase 2 CT connects to terminals 53 and 54, and Phase 3 CT connects to terminals 55 and 56. Reference schematic in Appendix. Ametek HDR Power Systems Rev 2... -
Page 17: Figure 4.1 Control Panel
The SHZF2/SHZF3 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 3.5 for the Command signal input configuration. Rev 2 Ametek HDR Power Systems... -
Page 18: Figure 4.2 Process Controller Input Connections
Adjust the ZERO control CW until the output just turns on, then turn the ZERO control CCW just to the point where the output voltage reading is zero. Ametek HDR Power Systems Rev 2... -
Page 19: Figure 4.3 Remote Control With A Potentiometer
Note that the full CW position of the potentiometer is the full-power-output position. Figure 4.4 Auto/Man Control with Controller and Remote Potentiometer Place the AUTO/MAN switch to AUTO and calibrate the system as described in steps 4.3b through 4.3g. Rev 2 Ametek HDR Power Systems... -
Page 20: Figure 4.5 On/Off Control
Calibrate the system by performing the steps in 4.3. Note that zero power demand is accomplished by closing the contacts with the controller, and maximum power demand is present when the contacts are open. Ametek HDR Power Systems Rev 2... -
Page 21: Unbalance Alarm
LED indicates the alarm condition. Each LED is labeled on the board. The relay output is on terminals 58 (N.O.), 59 (Common) and 60 (N.C.) as shown in Figure 4.7. The relay is energized on alarm. Rev 2 Ametek HDR Power Systems... -
Page 22: Figure 4.7 Unbalance Alarm Board
Typically the SCR Shorted Alarm board is a piggy-back board on the Unbalance Alarm and does not require any calibration. The Shorted SCR Alarm can be used with or without the Unbalance Alarm Figure 4.8 Shorted SCR Alarm Board Ametek HDR Power Systems Rev 2... -
Page 23: Figure 4.9 Unbalance Block Diagram
SHZF2/SHZF3 SCR Power Controller Operation Figure 4.9 Unbalance Block Diagram Rev 2 Ametek HDR Power Systems... - Page 24 Operation SHZF2/SHZF3 SCR Power Controller Ametek HDR Power Systems Rev 2...
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Page 25: Table 5.1 Unbalance Dip Switch Settings
3.01 Vdc. If there is any difference in this voltage, it can be trimmed out by increasing the gain of the two lower signals to match the highest signal. The potentiometers allow an increase of up to 16% on Rev 2 Ametek HDR Power Systems... - Page 26 If you are attempting to monitor a large number of heaters using a very sensitive setting, the above factors could either cause a false alarm, or prevent the loss of one heater element from being detected. Ametek HDR Power Systems Rev 2...
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Page 27: Figure 6.1 Ac Switch
SHZF2/SHZF3 would be the period of four cycles in this case – three cycles on and one cycle off. Table 6.1 Variable-Time-Base Relationship (Example) Control signal, % SCR Pair, Complete SCR Pair, Complete Power Demand On Cycles Off Cycles 100% Rev 2 Ametek HDR Power Systems... -
Page 28: Pulse-Train Firing
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 2... -
Page 29: Chapter 7 – Troubleshooting
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 7. -
Page 30: Environmental Problems
If it is above 122 ºF (50 ºC), steps should be taken to provide more cooling, or the SHZF2/SHZF3 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 31: Table 7.1 Troubleshooting Chart (Symptoms And Solutions)
Install a good fuse in the circuit, and apply power to the SHZF2/SHZF3. 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. - Page 32 Troubleshooting SHZF2/SHZF3 SCR Power Controller Ametek HDR Power Systems Rev 2...
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Page 33: Chapter 8 - Service
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 34: Table 8.1 Shzf2 Spare Parts List
SCR/dual pkg, 142 A, 1400 V 6712114 225 Ampere Units Fan, axial, 115 Vac, 110 CFM 4520001 Fuse, 300 A, 700 V 7530170I PCB Assy, ZF2 2099158 PCB Assy, SCR, DVDT 2099000 SCR/dual pkg, 162 A, 1400 V 6722114 Ametek HDR Power Systems Rev 2... -
Page 35: Table 8.2 Shzf3 Spare Parts List
SCR/dual pkg, 142 A, 1400 V 6712114 225 Ampere Units Fan, axial, 115 Vac, 110 CFM 4520027 Fuse, 300 A, 700 V 7530170I PCB Assy, PF3 2099162 PCB Assy, SCR, DVDT 2099000 SCR/dual pkg, 162 A, 1400 V 6722115 Rev 2 Ametek HDR Power Systems... -
Page 36: Table 8.3 Shzf2/Shzf3 Drawing List
Outline & Mounting, SHZF2 – 15, 25 A M2710188 Outline & Mounting, SHZF2 – 30 - 225 A M2710140 Outline & Mounting, SHZF3 – 15, 25 A M2710183 Outline & Mounting, SHZF3 – 30 - 225 A M2710146 Ametek HDR Power Systems Rev 2... -
Page 37: Chapter 9 – Warranty Policy
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 38 SHZF2/SHZF3 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.
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Page 39: Appendix
SHZF2/SHZF3 SCR Power Controller Appendix APPENDIX Appendix A – SHZF2 System Schematic Rev 2 Ametek HDR Power Systems... -
Page 40: Appendix B – Shzf3 System Schematic
Appendix SHZF2/SHZF3 SCR Power Controller Appendix B – SHZF3 System Schematic Ametek HDR Power Systems Rev 2... -
Page 41: Appendix C – Shzf2 15,25 A Outline
SHZF2/SHZF3 SCR Power Controller Appendix Appendix C – SHZF2 15,25 A Outline Rev 2 Ametek HDR Power Systems... -
Page 42: Appendix D – Shzf2 30-225 A Outline
Appendix SHZF2/SHZF3 SCR Power Controller Appendix D – SHZF2 30-225 A Outline Ametek HDR Power Systems Rev 2... -
Page 43: Appendix G – Shzf3 15, 25 A Outline
SHZF2/SHZF3 SCR Power Controller Appendix Appendix G – SHZF3 15, 25 A Outline Rev 2 Ametek HDR Power Systems... -
Page 44: Appendix H – Shzf3 30-225 A Outline
Appendix SHZF2/SHZF3 SCR Power Controller Appendix H – SHZF3 30-225 A Outline Ametek HDR Power Systems Rev 2... -
Page 45: Appendix K – Declaration Of Conformity
Appendix Appendix K – 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 46 Appendix SHZF2/SHZF3 SCR Power Controller Ametek HDR Power Systems Rev 2...
- Page 48 503 Lakeview Plaza Blvd, Ste C Worthington, Ohio, 43085 USA...