Diesel Drive Fire Pump Controllers Basic Functions

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Basic Functions, Features and Options of Diesel Engine Driven Fire Pump Controllers.

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Diesel Drive Fire Pump Controllers Basic Functions

  1. 1. Diesel Drive Controller Functions and Operation - for - F.M. Approvals - by - James S. Nasby Columbia Engineering
  2. 2. Topics Covered <ul><li>Type of Controller </li></ul><ul><ul><li>Manual </li></ul></ul><ul><ul><li>Combined Automatic </li></ul></ul><ul><li>Measurement </li></ul><ul><li>Timing </li></ul><ul><li>Remote Functions </li></ul>
  3. 3. Type of Controller <ul><li>Manual Only Controller </li></ul><ul><ul><li>Peerless &quot;Mantrol&quot; was U.L. Listed </li></ul></ul><ul><ul><li>Most F.P. Engine Panels do this </li></ul></ul><ul><li>Automatic Controller Must be both </li></ul><ul><ul><li>A Manual Controller -and- </li></ul></ul><ul><ul><li>An Automatic Controller </li></ul></ul>
  4. 4. Timing <ul><li>Cranking </li></ul><ul><ul><li>Six Cranks 15 Seconds Each </li></ul></ul><ul><ul><li>5 Rests 15 Seconds Each </li></ul></ul><ul><ul><li>Total 165 Seconds (2-3/4 Minutes) </li></ul></ul><ul><ul><li>Patern: 1-R-2-R-1-R-2-R-1-R-2-FTS (Alam) </li></ul></ul><ul><ul><li>FM-1321/23 Modifies FTS Operation </li></ul></ul><ul><ul><ul><li>Hold Terminal #1 Active for One Hour </li></ul></ul></ul><ul><ul><ul><li>Then Disable Fuel and Water </li></ul></ul></ul><ul><li>Weekly Test, 30 Minutes Nominal Run </li></ul>
  5. 5. Optional Timing <ul><li>Automatic Stop (Minimum Run) - Not per F.M. </li></ul><ul><li>Delayed Starting: Which Demands? </li></ul><ul><ul><li>Sequence Start: Static Demands </li></ul></ul><ul><ul><ul><li>Pressure (Weekly Test) </li></ul></ul></ul><ul><ul><ul><li>Deluge </li></ul></ul></ul><ul><ul><ul><li>A.C. PF Start </li></ul></ul></ul><ul><ul><li>Don’t Delay </li></ul></ul><ul><ul><ul><li>Remote Momentary Switch (Push Button) </li></ul></ul></ul><ul><li>High Zone Start - Which Demands </li></ul><ul><ul><li>Static Demands -and- </li></ul></ul><ul><ul><li>Remote Momentary (Don't Want to Start a Dry or Cavitating Pump </li></ul></ul>
  6. 6. A.C. Line Margins <ul><li>Low Line Operation </li></ul><ul><ul><li>Battery Charger 24 Hour Capability </li></ul></ul><ul><li>High Line Operation </li></ul><ul><ul><li>Excess Power Dissipation </li></ul></ul>
  7. 7. D.C. Line Margins <ul><li>Single Battery Operation </li></ul><ul><li>Low Battery Voltage </li></ul><ul><ul><li>Starter Break-away (50%) </li></ul></ul><ul><ul><li>Cranking (Undulating): 10Vdc, 9Vdc, 8Vdc? </li></ul></ul><ul><li>High Battery Voltage </li></ul><ul><ul><li>Charger Equalizing </li></ul></ul><ul><ul><li>Alternator High Rate Operation </li></ul></ul>
  8. 8. Operating Voltages <ul><li>Alternator High Rage: 15+ Vdc </li></ul><ul><li>Alternator Maintaining: 14+ Vdc </li></ul><ul><li>Charger Equalize: ~14 Vdc </li></ul><ul><li>Charger Float: ~13.25 Vdc </li></ul><ul><li>Ideal Alarm Voltage: ~12.5 Vdc </li></ul><ul><li>Battery Full Charge Open Circuit: 12.5 Vdc </li></ul><ul><li>Battery Discharged (Open Circuit): 11.75 Vdc </li></ul><ul><li>Cranking: <10 Vdc </li></ul><ul><li>Break-away: ~6 Vdc </li></ul>
  9. 9. Questions ?

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