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Related Manuals for ProFire PF3100 FARC
Summary of Contents for ProFire PF3100 FARC
- Page 1 FARC User Guide DOC-001065 v8.0...
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Page 2: Table Of Contents
Validate FARC Table ..................................24 TRIM Configuration Procedure ..........................25 Set O Trim Parameters ................................25 TROUBLESHOOTING ......................26 CANADIAN FIELD APPROVAL REQUIREMENTS ..............28 VERSION HISTORY ......................... 31 Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | solutions@profireenergy.com... -
Page 3: Important Safety Information
FARC systems in accordance with local safety codes, design documentation and appliance manufacturer specifications. Regular maintenance should be performed on the system to verify tuning and system operation. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 4: Document Scope
DOC-001065 v8.0 DOCUMENT SCOPE The Profire PF3100 combustion control system can be configured to operate as a parallel positioning fuel-air ratio control (FARC) system for forced draft applications requiring up to five control channels (fuel, air, and up to three auxiliary channels). -
Page 5: Hardware Requirements
Connect up to 5 Temperature cards card 1 per controller card 5 Network Configuration Options I/O Expansion I/O Expansion Connect up to 5 I/O Expansion cards per controller card 1 card 5 Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 6: Peripheral Equipment Requirements
PF3100 FARC User Guide DOC-001065 v8.0 PERIPHERAL EQUIPMENT REQUIREMENTS The following peripheral equipment is required to satisfy the input and output requirements of a PF3100 FARC system: Item Input Requirements Output Requirements Application Requirements Position must be Current position must be... -
Page 7: Installation
Proof of Airflow input Option 2 Digital or 4-20mA input Any I/O Expansion card / Any available input Oxygen sensor input 4-20mA input Any I/O Expansion card / Any available input Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 8: Farc And Otrim
(i.e., Every point in the table row matches the value in the configured column). Unconfigured points between configured points are linearly interpolated and treated as configured points. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 9: Leading Vs. Lagging Channels
Auxiliary channels configured as neither a leading nor lagging channel have no slope and inflection point limitations. Acceptable Cross Limited Auxiliary Unacceptable Cross Limited Channel Curves Auxiliary Channel Curves Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 10: O 2 Trim
Status Screen (e.g., A displayed O Offset of -3.5% means the system has decreased the trimmed channel output 3.5% below its configured FARC Table value). Max Offset Trimmed FARC Channel Min Offset Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 11: O 2 Sensor Warmup
The system delay time specifies the sample time of the PI Controller and does not begin until after (1) the system has reached the Process Control State, and (2) sensor warmup has been satisfied. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 12: Operating Sequence
System proceeds to Lockout if position is not satisfied within 90 seconds. System proceeds to Lockout if position is not maintained for the duration of the state. Following O sensor warmup. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 13: Position Monitoring
Flat Line Tolerance and result in the air position being held in accordance with the system firing rate rather than being cross limited in accordance with the effective firing rate. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 14: Cross Limiting Examples
FARC table at the air channel output from 64% to 72% to compensate current firing rate. for the higher-than-expected fuel position to maintain a safe fuel-air mixture. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... - Page 15 Aux 2 channel position. The fuel for the higher-than-expected Aux 2 channel position. channel output is not affected by lagging Aux channels. The air channel output is not affected by leading Aux channels. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM...
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Page 16: Commissioning
The FARC Configuration Wizard and all FARC setting are protected by the level 3 FARC password and should only be modified by qualified personnel. Please contact Profire for the password to modify these settings. There are multiple methods that can be used to configure a FARC system. The method outlined in the steps below... -
Page 17: Configure General Farc Settings
Specify Names for Curve A and Curve B (e.g., Summer and Winter, Low Demand and High Demand, etc.) Set Selected Curve setting as desired to specify the active curve. 12. Advance to the Channels Tab. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... - Page 18 15. Repeat the previous step for each configured auxiliary channel (if required) with the following additional configuration items: Set Position Feedback input and Cross Limiting settings as desired in accordance with design documentation, heater manufacturer specifications and local safety codes. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM...
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Page 19: Calibrate Outputs
Aux Out+ 22. Follow on screen instructions to calibrate the output. 23. Disconnect the process calibrator/DMM and reconnect the output actuator. 24. Repeat above steps for all configured FARC channels. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 20: Tune System For Stable Pilot Light Off
27. Open the FARC Status Screen. 28. Adjust Pilot Position for each channel until a stable pilot flame is established. 29. Stop the system before the transition into a main state. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 21: Configure Farc Table At The Light Off Firing Rate
37. Start the system and allow it to proceed to the Manual Control state. Monitor the main flame and stack O and CO readings. 38. Decrease 0% Firing Rate column fuel and air to the lowest possible values while maintaining flame/burner stability and appropriate stack readings. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 22: Configure Farc Table At The Maximum Firing Rate
(ensure that fuel regulators are set correctly to ensure the ratings of the appliance are not exceeded) 45. For multichannel FARC only: Increase the FARC Table 100% value for any configured lagging auxiliary channels until it is at its maximum. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 23: Configure Fuel Channel Across Entire Table
51. For multichannel FARC only: Adjust the FARC Table 95% Firing Rate column for any configured leading auxiliary channels to match its 100% value. 52. Change the Manual Firing rate to 95%. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 24: Validate Farc Table
62. Make any adjustments to the FARC Table as necessary. 63. Repeat all above validation steps until safe and smooth transitions have been achieved for all increments in both directions. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 25: O 2 Trim Configuration Procedure
The PF3100 Data Logging tool can be used as a tuning aid – refer to PF3100 Product Manual for details. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... -
Page 26: Troubleshooting
Cross Limit Error Alarm FARC Channel X Position Error Alarm Ensure every cross limited channel has a feedback FARC Feedback Missing Alarm input assigned in the FARC/O Trim Wizard. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM... - Page 27 FARC Manual Mode Warning FARC Switch to Curve A Main Permissive System does not switch curves while in a main fuel state. FARC Switch to Curve B Main Permissive Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM...
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Page 28: Canadian Field Approval Requirements
IO on additional PF3100 family cards. Option to use a non-certified system The PF3100 FARC feature set is not certified PF3100 compliant with the following additional (as per ISO 23552-1) and does comply with the requirements. - Page 29 The FARC and BMS control are integrated into positions, airflow, pressures and one solution. The BMS side of the system will temperatures. verify the airflow (airflow switch), fuel pressure limits and temperature limits. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM...
- Page 30 The requirement for maintained. regular maintenance and for the system to be commissioned by a qualified technician is stated in the user manual. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM...
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Page 31: Version History
Updated settings table to show authentication level and if editable while running. Updated description of post purge not requiring position proving and the effect this has on purge time. Copyright © 2022, Profire Energy. All rights reserved. 855.PRO.FIRE | PROFIREENERGY.COM...
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