Hubbell LX3000 - Manual - manualsarea.com

Page 2 - Instruction Manual; LX3000 Diesel Fire Pump Controller; Introduction; Press the; Reset; button to clear the memory

Instruction Manual LX3000 Diesel Fire Pump Controller Introduction Model LX3000 engine controllers, automatically control the operation of diesel engine driven centrifugal firepumps. Installation 1. Consult the Controller nameplate to verify that the DC voltage and ground polarity matches the engine...

Page 3 - Programming

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 ...

Page 4 - Automatic Engine Cranking in TEST; Disconnect engine wire from TB1-1 to prevent starting.; Automatic Pressure Start

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 TIMER. The solenoid valve opens to dischargewater, and the pressure switch contac...

Page 5 - End of Startup Testing

b. Wait 10 seconds for the Oil Pressure Delay interval to expire, then momentarily jumper TB1-4 to TB1-11.The alarm will sound and the Common Trouble relay will energize. The LOW OIL PRESSURE LED willcome on and remain on after the engine stops. c. Turn the CONTROLLLER ON / OFF - RESET SWITCH to the...

Page 6 - Troubleshooting; DANGER; Before troubleshooting, perform the following checks:

Troubleshooting Hazardous voltagewill shock, burn,or cause death.Do not touchuntil ALL poweris 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 p...

Page 7 - Batteries

Table 6-1 Troubleshooting Condition Possible cause Checks Action Batteries Voltmeters should readat least 12.5 or 25 VDCCheck each battery inbank for correct voltage Check electrolyte Test and recharge bad battery(s)Replace battery(s) with good battery(s) Check battery andground connections Check ba...

Page 8 - Check battery voltage

Table 6-1 Troubleshooting (Continued) Condition Possible cause Checks Action Water and fuel solenoidcircuits Check battery voltage Check WATER andFUEL Relay Clean and tighten connections Replace Engine RelayBoardReplace Main LogicBoard Engine cranks but doesnot start Water and fuel solenoidvalves Ch...

Page 10 - Replace sensor

No HIGH ENGINETEMP indication Water temperatureswitch Connect a jumperacross the watertemperature switch onthe engineStart engine withMANUAL STARTswitchVerify that engine startsand alarm sounds Replace watertemperature switch Engine overspeed doesnot stop engineNo indication Indication but enginedoe...

Page 11 - Remote switch faulty

Table 6-1 Troubleshooting (Continued) Condition Possible cause Checks Action Engine does not crankwith Remote Start Cranks when waterpressure decreases Remote switch faulty Main Logic Boardfaulty Check switch andswitch circuits Check Main LogicBoard Repair circuitsReplace switch Replace Main logicBo...

Page 13 - Figure 2

Pressure Switch / RecorderChanging the Chart Paper First, locate the “change chart” button (#3) located in the upper leftcorner 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. Waituntil the pen has moved completely of...

Page 14 - Start Pressure

Figure 4 Pressure Settings Start Pressure Stop Pressure (3) Status LED’S SEE NOTE

Page 15 - performing maintenance.

Battery Charger Introduction The Power Sense Board monitors the charging current and voltage of both chargers. LED’s indicate that thechargers are supplying current output, that the battery / charger voltage is above 90%, and that AC Power isavailable to power the chargers. Specifications LED Indica...

Page 16 - Troubleshooting Chart

Troubleshooting Chart Symptom Possible cause Solution All charger LED’s off,cabinet CHARGER FAILUREindicating 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...

Page 17 - Location and Description of Control Settings