panel for control and protection of irrigation motor pumpset
Contents
1. TACHOMETER 4000 rpm TIMER 1 24h 235 WATER PUMP PRESSURE GAUGE 20 bar CEM 840 p 10 bar CEM 842 n WATER PUMP PRESSURE SWITCH 4 14 bar CEM 840 2 5 bar CEM 842 WATER PUMP PRESSURE SWITCH DIFFERENTIAL 1 bar MAX WATER PUMP PRESSURE 21 bar CEM 840 7 bar CEM 842 ALAM DEGREE OF PROTECTION om dI BOX CONNECTOR IP23 IP24 B PANEL WEIGHT 31009 bist TOTAL WEIGHT E PANEL ACCESSORIES PACKAGE 4400 g ORDERING DATA ACCESSORIES KIT TYPE CODE CEM 840 12V 21 08 31 PRE WIRED FEMALE CEM 842 12V 21 08 35 CONNECTOR CEM 540 840 CODE 80 43 84 CEM 840 24V 21 08 32 ELBOW GTN 6x8x1 4 GAS CODE 19 01 11 CEM 842 24V 21 08 36 NIPPLE F1 4 GAS M3 8 GAS CODE 19 02 41 CONFORMITY DECLARATION The company Elcos s r l assumes full responsibility for declaring that the equipment type C EM 840 CEM 842 used in the ways and for the purposes described in the instruction and user manual is in conformity with the directive 89 336 CEE concerning electromagnetic compatibility modified by the directive 93 68 CEE because it is built and functions in accordance with the harmonized Standards EN 50081 1 EN 50082 1 EN 60529 E Parma 10 3 2000 S r l Ug wl fa Via Naviglio Alto 24 a 43100 PARMA ITALIA aXe bro Tel 39 05211772021 Fax 39 0521 270218 E mail info elcos it HTTP www elcos it Walter Consigli 8 GB CEM 840 CEM 842 12. MC TACHOMETER Speed of engine pump Phe lt gt INDICATOR Fuel level percentage TIMER Enabled with the key on AUT it makes it possible if necessary to have the engine pump work for an adjustable Ta of time 24 hours maximum at the end of which it stops and the WORK TIME OVER sign f Aan olghts 18 5 8 15 The work time is set by pressing the TIMING push butto 2 lights up lt Duntil the desired value appears on the DISPLAY On releasing the push button the timer automatically starts working continously displaying the remaining work CORRECTING OF THE SET TIME To ZERO the set time there are two methods keep the TIMING push button pressed until it reaches zero keep the TIMING push button pressed and at the same time press the INSTRUMENT SELECTION push button ES To INCREASE the set time press the TIMING push button To DECREASE the set time zero the time see above set the desired value once more pressing the TIMING button again CANCELLING THE TIMER This is done in two ways by zeroing see above the set time the engine pump does not have to be stopped by turning the starter key onto ZERO the engine pump will stop PERIODIC MAINTENANCE When it is necessary to perform the periodic maintenance operations the visual signal lights up The times for maintenance operations and the reset procedure time for maintenance can be accessed by the
3. PRESS UNTIL THE 2 SIGNS START ENGINE PUMP OPERATING SPEED 15 FLASHING TO EXCLUDE PUMP DISPLAYED J PROTECTION TO RE ACTIVATE PROTECTION PRESS AGAIN UNTIL THEY SWITCH OFF M THE FUEL LEVEL IS DISPLAYED PUMP PROTECTION CEE EXCLUDED STOP FOR END OF ENY WORK TIME Jj PRESS IF YOU WANT TO SET WORKING TIME UP TO 24 HOURS PUMP PROTECTION TIMER IS DISPLAYED ACTIVE IF SET PERIODIC MAIN TENANCE REQUEST EMERGENCY STOP THE WATER PUMP PRESSURE IS REGULAR STOPPAGE DUE TO LOW PUMP WATER PRESSURE ENGINE OIL PRESSURE J THE BATTERY IS NOT CHARGING INSUFFICIENT INDICATES PUMP WATER PRESSURE ENGINE PROTECTIONS ARE ACTIVE u STOPPAGE DUE TO LOW FUEL LEVEL RI DUE TO LOW LEVEL OF COOLING LIQUID STOP FOR INSUFFICIENT ENGINE OIL PRESSURE STOP OR ONLY ALARM FOR AIR FILTER CLOGGING CONTROLS 2 PUMP WATER ENGINE PUMP START PRESSURE STOPPAGE DUE TO LACK OF BATTERY CHARGING BROKEN BELT VY We Aa STOPPAGE DUE TO HIGH ENGINE TEMPERATURE STOPPAGE IN PROGRESS OFF MANUAL STOP RESET MT UNIT POWER SU
4. Dr gt EG T z 4 6 E See gt BLACK 40A MAX 18 30 5 RED 7 26 28 ps BATTERY MAX BY NS 2 41 STOP SYSTEMS SEE ON PAGE 4 CHARGE BATTERY ALTERNATOR WHITE RED BATTERY GREEN DO NOT USE BROWN ACCESSORIES AVAILABLE ON REQUEST ELECTROMAGNET OR SOLENOID VALVE amp OIL PRESSURE SWITCH THERMOSTAT FUEL FLOAT FOR INDICATOR AND RESERVE COOLANT LEVEL PROBE PERMANENT MAGNETS CHARGE ALTERNATOR ALTERNATOR CHARGE BATTERY REGULATOR PRE EXCITATION CHARGE ALTERNATOR STARTING MOTOR BATTERY GENERAL ALARM LIGHT amp AIR FILTER CLOGGING SWITCH PERMANENT MAGNETS TETON VELLON L BATTERY GREEN CONNECTION WATER PUMP PRESSURE SYSTEM FOR EXTRACTING THE W TERMINAL IN PRE EXCITATION BATTERY CHARGE ALTERNATORS BOSCH MARELLI LUCAS ECC GB CEM 840 CEM 842 1 SWITCH REGULATION TO TACHOMETER WHITE RED WIRE To diode bridge inside alternator Turn the knob to a value two bar less than the pressure indicated by the pressure gauge It is not necessary to adjust the pressure switch again if the working pressure remains constant OPERATION PUMP PROTECTION EXCLUSION The push button excludes pump protection exclusion is obtained
5. STOP SYSTEM SET UP To stop with the SOLENOID VALVE cut and insulate the BLUE BROWN The unit has been designed to control stopping with an ELECTROMAGNET lead STOP SYSTEMS 2 EXCITED WHILE EXCITED WHILE RUNNING WHEN THE EXCITED STOP MODE So RUNNING with EMERGENCY YELLOW gt 85 button 4 IS MOUNTED 85 30 REMOVE THE ee EMERGENCY q TT POSSIBLE BUTTON LOCATED TO MOUNT 86 87 INSIDE THE ENERGENGY l SOLENOID SOLENOID 85 30 PANEL STOP ELECTROMAGNET to close to close BUTTON t activate the ASTOP engine stop lever the fuel the fuel 2 Y aptum 86 87 ld WITH ELECTRO OL 4 20 MAGNETS 2 ITT CEM 840 CEM 842 1 WIRING DIAGRAM FROM 15 54 OF START KEY Me EE FOR HEADLIGHT 3A MAX amp 157 OROTHERS 6 CONNECTORA CONNECTORS awxe YELLOW ORANGE RED GREEN bs 10 m x 9 8 ym 6 5 d 6 5 4 gt 1 3 8 2 1 155 rORANGE BLUE 5 E 2 T INDICATOR WARNING W RESERVE FOR LOADS WITH pe E 15 Roe CURRENT ABOVE 3A A RELAY E CA POSSIBLE MUST BE USED u lg 5 i CABLES NOT wa 9 CONNECTED mui lt
6. by keeping it pressed for at least 3 consecutive seconds the function is indicated by the two intermittent lights Sod this exclusion is cancelled by pressing the push button again or by turning the starter key onto ZERO STOPPING THE ENGINE PUMP The unit shut down the engine in four conditions turning the starter key onto ZERO protection intervention timer intervention at the end of the work period for external emergency intervention The unit adapts to two different stop system during which the STOP light CQ by working the ELECTROMAGNET for 20 seconds which pulls the STOP lever by cutting off power to the SOLENOID VALVE shutting off the flow of fuel EMERGENCY STOP It can be obtained in all functioning conditions mounting one or more release type buttons It is indicated by the visual signal INSTRUMENT SELECTION The centralized control panel comprises three instruments indicated by the relevant arrow shaped visual signals WHICH CAN BE SELECTED IN SEQUENCE BY PRESSING the button Each time it is pressed IT SHOWS the next instrument WHEN THE TIMER IS set the duration of the display of the instruments is limited to 30 seconds from the activating of the button the TIMER then reappears INSTRUMENTS Q h2X HOURCOUNTER Total hours of operation With the engine running the signal 41 pulsates to indicate the correct functioning of the
7. engine pump manufacturer 6 GB CEM 840 CEM 842 1 PANEL FOR CONTROL AND PROTECTION ELCOS OF MOTOR PUMPSET TYPE CEM 840 CEM 842 Surveys a close couple diesel pump while operating commanding stopping if there are anomalies in the parts controlled by the probes Designed to be installed also on board the machine Parma Italy NOTICES Warning adhere closely to the following advice Always install under other equipment which produces or spreads heat Always follow the Wiring Diagram on page 4 5 when making connections Check that the line loading and the consumption of the connected equipment are compatible with the technical characteristics on page 8 All technical interventions must be performed with the engine stationary and terminal 50 of the starter motor disconnected Never use a battery charger for the emergency start up this could damage the equipment To protect the safety of persons and the equipment before connecting an external battery charger disconnect the electrical plant terminals from the battery poles Do not detach the battery terminals with the close coupled pump running THIS CONTROL PANEL IS NOT SUITABLE FOR OPERATING IN THE FOLLOWING CONDITIONS Where the environmental temperature is outside the limits indicated in the Technical Data on page 8 Where there are high levels or heat from radiation caused by the sun ovens or the like Where there is the risk of fire or explosions Where the devic
8. water pressure indicated by the PUMP PRESSURE REGULAR LIGHT oar and however 10 minutes after starting the engine pump The intervention of the protection 5 seconds after the decrease of the pressure detected by the PUMP WATER PRESSURE SWITCH on the panel stops the engine it is memorised and isindicated by the INSUFFICIENT PUMP WATER PRESSURE LIGHT See PUMP WATER PRESSURE SWITCH ADJUSTAMENT on page 5 RESET by turning the starter key onto ZERO GB CEM 840 CEM 842 1 3 OPERATION COOLANT LEVEL PROBE FOR RADIATORS WITH FOR RADIATORS WITH PLASTIC EXPANSION TANKS METAL EXPANSION TANKS v IF THE FUNCTION LOW COOLING LIQUID LEVEL Q Q SCREW ELECTRODES REPLACING FUSES Run the engine at a costant and known rpm value for example by means of a portable revolution counter Press the push button to select the TACHOMETER instrument The display must show a number other 2 502 We lt than zero otherwise do not make any adjustment but 0 4 E check the system carefully Then turn the potentiometer 20 rpm maximum inside the panel clockwise until the display gives the right indication If the indication does not vary during adjustment check system carefully TO REPLACES THE FUSES AND ADJUST THE TACHOMETER REMOVE THE COVER FROMTHE CENTRALIZED CONTROL PANEL AND LOOSEN THE SCREWS AT THE SIDES 1 4 GAS 3 8 GAS ES
9. PANEL FOR CONTROL AND PROTECTION OF IRRIGATION MOTOR PUMPSET TYPE CEM 840 TYPE CEM 842 INTSTRUCTION AND USER MANUAL PROTECT motor pump sets by stopping them in the event of insufficient oil pressure over temperature belt breakage minimum fuel level air filter clogging low coolant level insufficient water pump pressure MADE TO DISPLAY on the panel the functions of hour counter tachometer water pump pressure gauge timer fuel level gauge pump protection exclusion battery and oil lights protections intervention periodic maintenance request emergency stop Assembly on the machine and in the open air Suitable for stopping both with solenoid valve and with electromagnet for engines fitted with charge alternator both with pre excitation and with permanent magnets BY SIMPLY STARTING IT AUTOMATICALLY CONTROLS THE MOTOR PUMP ALL THE OTHER FUNCTIONS ARE EASY TO USE WITH JUST THREE PUSH BUTTONS PARMA ITALY Tel 39 0521 772021 Fax 39 0521 270218 GB CEM 840 CEM 842 1 E mail info elcos it HTTP www elcos it 1 BRIEF INSTRUCTIONS AFTER STARTING THE ENGINE PUMP PROTECTS ITSELF AUTOMATICALLY IT IS POSSIBLE TO ACCESS THE OTHER FUNCTIONS BY SIMPLY USING JUST THREE PUSH BUTTONS ACCUMULATED OPERATION HOURS ARE DISPLAYED PRESS TO SELECT THE DISPLAYED FUNCTION EACH TIME IT IS PRESSED THE INSTRUMENT INDICATED BY THE DISPLAY CHANGES
10. PPLY LIGHTS CHECK e ENGINE PUMP START 2 GB CEM 840 CEM 842 1 S bh 2 OPERATION START KEY OFF MANUAL STOP RESTORE PROTECTIONS CANCEL PUMP PROTECTION EXCLUSION AND TIMER DEACTIVATE INSTRUMENTS UNIT POWER SUPPLY TURNS ALL THE LIGHTS ON FOR 2 SECONDS EFFICIENCY CHECK ENGINE PUMP START OIL AND BATTERY INDICATOR LIGHTS Lit up with key on AUT they switch off with the engine running and regular oil pressure and battery charger system ENGINE PROTECTION The engine protections are enabled when the ENGINE PROTECTION ACTIVE lige QW comes on about 20 seconds after the end of starting impulse and however 1 minute after positioning the key on AUT Intervention of the protection probes fitted on the engine indicated by the relevant lights stops the engine it is memorised and can be split into two groups immediate for OIL PRESSURE SWITCH AIR FILTER SWITCH 9 HIGH TEMPERATURE BATTERY CHARGERALTERNATOR 19 SWITCH ALTERNATOR BELT BREAKAGE FUEL LEVEL SWITCH Fuel reserve flashing signal 20 T p WITHOUT ENGINESTOP Signal always on stop for minimum fuel level WITH ENGINE STOP W PROBE FOR COOLANT LEVEL RESET is obtained by turning the starter key onto ZERO PUMP PROTECTION Pump protection is enabled when the PUMP PROTECTION ACTIVE 9 lightcomes on after 1 consecutive minute of sufficient
11. e can receive strong vibrations or knocks ELECTROMAGNETIC COMPATIBILITY This control panel functions correctly only if inserted in plants which conform with the CE marking standards it meets the exemption requirements of the standard EN50082 1 but it cannot be excluded that malfunctions could occur in extreme cases due to particular situations The installer has the task of checking that the disturbance levels are within the requirements off the standards CONDUCTION AND MAINTENANCE The following maintenance operations should be performed every week check the functions of the signals check the condition of the batteries check the condition of the connectors and that they are tight UNLESS WE MAKE A WRITTEN DECLARATION STATING THE CONTRARY THIS CONTROL PANEL IS NOT SUITABLE FOR USE AS A CRITICAL COMPONENT IN EQUIPMENT OR PLANTS RESPONSIBLE FOR KEEPING PERSONS OR OTHER LIVING BEINGS ALIVE YOUR ELECTRICAL TECHNICIAN CAN ASK US ANYTHING ABOUT THIS CONTROL PANEL BY TELEPHONING ONE OF OUR TECHNICIANS GB CEM 840 CEM 842 1 7 DIMENSIONS TECHNICAL DATA 5 3 BATTERY VOLTAGE SUPPLY 12 or 24 V axme 48 MAX CURRENT YELLOW OUTPUT STOPPING 3A MAX CURRENT RED GREEN 100 100 Jl OUTPUT GENERAL ALARM 3A MAX CURRENT BLACK OUTPUT STARTING 40 A MAX CURRENT BROWN OUTPUT AUXILIARY 3A O CB TEMPERATURE RANGE 10 60 C HOUR COUNTER 4 DIGITS 275
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