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Hubbell LX3000 manual

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Table of contents for the manual

  • Page 1

    Page 1 of 17 Hubbell Industrial Controls, Inc. A subsidiary of Hubbell Incorporated 4301 Cheyenne Dr. Archdale, NC 27263 Telephone (336) 434-2800 FAX (336) 434-2803 Instruction Manual Model LX3000 Diesel Engine Fire Pump Controller Publication No. 203 December 2003 H U BBELL[...]

  • Page 2

    Instruction Manual LX3000 Diesel Fire Pump Controller Introduction Model LX3000 engine controllers, automatically control th e operation of diesel engine driven centrifugal fire pumps. Installation 1. Consult the Controller nameplate to verify that the DC voltage and ground polarity m atches the engine battery. Also verify that the Controller AC po[...]

  • Page 3

    2) Press and hold the  clock symbol key during entire time setting procedure. a) Press the Day key to bring the actual day of the week into display. b) Press the h button to set the hours and the m button to set the minutes. If the keys are depressed for more than a second, the digits will advance rapidly. c) Release the  clock key when finis[...]

  • Page 4

    c. Turn the AUTOMATIC / MANUAL SWITCH to the AUTO position to stop the engine. Automatic Engine Cranking in TEST a. Disconnect engine wire from TB1-1 to prevent starting. b. Press the TEST PUSHBUTTON on the weekly TEST TIME R. The solenoid valve opens to discharge water, and the pressure switch contacts close to initiate cranking. c. The controller[...]

  • Page 5

    b. Wait 10 seconds for the Oil Pressure Delay interval to expire, then m omentarily jumper TB1-4 to TB1-11. The alarm will sound and the Comm on Trouble relay will energize. The LOW OIL PRESSURE LED will come on and remain on after the engine stops. c. Turn the CONTROLLLER ON / OFF - RESET SWITCH to the OFF - RESET position then back to the CONTROL[...]

  • Page 6

    Troubleshooting Hazardous voltage will shock, burn, or cause death. Do not touch until ALL power is disconnected. ! DANGER W ARNING: Disconnect AC power to the Controller before servicing to prevent shock or accident hazard. Before troubleshooting, perform the following checks: a. visual inspection for physical damage. b. ensure that all switches a[...]

  • Page 7

    Table 6-1 Troubleshooting Condition Possible cause Checks Action Batteries Voltmeters should read at least 12.5 or 25 VDC Check each battery in bank for correct voltage Check electrolyte Test and recharge bad battery(s) Replace battery(s) with good battery(s) Check battery and ground connections Check battery voltage Check battery cables and connec[...]

  • Page 8

    Table 6-1 Troubleshooting (Continued) Condition Possible cause Checks Action Water and fuel solenoid circuits Check battery voltage Check WATER and FUEL Relay Clean and tighten connections Replace Engine Relay Board Replace Main Logic Board Engine cranks but does not start Water and fuel solenoid valves Check solenoids Check fuel and water lines Ch[...]

  • Page 9

    Condition Possible cause Checks Action Engine stops without having to press STOP button or before run time is complete Water and Fuel solenoid circuits and valves, or Main Logic Board faulty Check Water and Fuel Relay Replace Engine Relay Board Replace Main Logic Board Test Timer or Test Pushbutton does not start engine AUTOMATIC / MANUAL SWITCH in[...]

  • Page 10

    No HIGH ENGINE TEMP indication Water temp erature switch Connect a jumper across the water temperature switch on the engine Start engine with MANUAL START switch Verify that engine starts and alarm sounds Replace water temperature switch Engine overspeed does not stop engine No indication Indication but engine does not stop under overspeed simulati[...]

  • Page 11

    Table 6-1 Troubleshooting (Continued) Condition Possible cause Checks Action Engine does not crank with Remote Start Cranks when water pressure decreases Remote switch faulty Main Logic Board faulty Check switch and switch circuits Check Main Logic Board Repair circuits Replace switch Replace Main logic Board Engine does not start after AC power lo[...]

  • Page 12

    [...]

  • Page 13

    Pressure Switch / Recorder Changing the Chart Paper First, locate the “change chart” button (#3) located in the upper left corner of the recorder. Press and hold this button for approximately one (1) second until the pen begins to move to the left of the chart. Wait until the pen has moved completely of f of the chart. To remove the chart paper[...]

  • Page 14

    Figure 4 Pressure Settings Start Pressure Sto p Pressure ( 3 ) Status LED’S SEE NOTE[...]

  • Page 15

    Battery Charger Introduction The Power Sense Board monitors the charging current a nd voltage of both chargers. LED’s indicate that the chargers are supplying current output, that the battery / charger voltage is above 90%, and that AC Power is available to power the chargers. Specifications LED Indication READY, green CHARGING, yellow CHARGE CUR[...]

  • Page 16

    Troubleshooting Chart Symptom Possible cause Solution All charger LED’s off, cabinet CHARGER FAILURE indicating light on 1) No AC power 2) Charger AC fuse blown 1) Check for 120 V Charger power 2) Hubbell recommends that the charger be returned for repair Charge Current LED’s scroll, 6 cabinet CHARGER FAILURE indicating light on 1) Battery conn[...]

  • Page 17

    Location and Description of Control Settings[...]