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Diesel Drive Fire Pump Controllers Basic Functions
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Diesel Drive Fire Pump Controllers Basic Functions

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

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

Published in: Technology

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Transcript

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