LO280 - LO400 IDEA Series Light oil Burners
Contents
1. 7130d02e 0700 i L M BV1 BST 7130a02e 0700 bi 5 al Hum Control sequence LMO14 R A A B C D YA 4 1 tw L OH awisa D 8 E i 4 Gia MT www X BV1 da Y 4 tt 55 t3n 2574 6 E M TSA n TE 7 14 5 12 Only with LMO14 113A2 re ignition T n n QE Z 7 aa gt 6 E FS fA I Rao rrr vA lt LMO24 LMO44 e D 7 yx 4 G tw an zu OW Lr 3 3 X BV1 22 gt 4 QD z 7 T gt2. 1 2 3 S 7 8 9 10 11 12 15 14 SIGLA ITEM FUNZIONE FUNCTION g CONTAORE BASSA FIAMMA LOW FLAME TIME COUNTER CONTAORE ALTA FIAMMA GH FLAME TIME COUNTER EVG1 ELETTROVALVOLA GASOLIO BASSA FIAMMA LOW FLAME LIGHT OIL SOLENOID VALVE EVG ELETTROVALVOLA GASOLIO ALTA FIAMMA GH FLAME LIGHT OIL SOLENOID VALVE FR FOTORESISTENZA RILEVAZIONE FIAMMA PHOTORESISTOR FLAME DETECTOR FR FOTORESISTENZA RILEVAZIONE FIAMMA PHOTORESISTOR FLAME DETECTOR FUSIBILE LINEA MOTORE VENTILATORE FAN MOTOR LINE FUSE FU2 FUSIBILE DI LINEA NE FUSE FU3 FUSIBILE LINEA BRUCIATORE BURNER LINE FUSE B ERRUTTORE LINEA BRUCIATORE BURNER LINE SWITCH L ERRUTTORE LINEA AUSILIARI AUXILIARY LINE SWITCH NUT M ERRUTTORE LINEA MOTORE VENTILATORE FAN MOTOR LINE SWITCH KM1A CONTATTORE MOTORE VENTILATORE FAN MOTOR CONTACTOR goo 000000 O LAF LAMPADA SEGNALAZIONE ALTA FIAMMA BRUCIATORE BURNER IN HIGH FLAME INDICATOR LIGHT 4 3 A ee LB LAMPADA SEGNALAZIONE BLOCCO BRUCIA
3. FRONTAL FRONTALE 2 SIGLA ITEM FUNZIONE FUNCTION glolo 000000 6 CONTAORE BASSA FIAMMA LOW FLAME TIME METER sr En 2 CONTAORE ALTA FIAMMA GH FLAME TIME METER ELETTROVALVOLA GASOLIO BASSA FIAMMA LOW FLAME LIGHT OIL ELECTRO VALVE EVG2 ELETTROVALVOLA GASOLIO ALTA FIAMMA GH FLAME LIGHT OIL ELECTRO VALVE FR FOTORESISTENZA RILEVAZIONE FIAMMA PHOTORESISTOR FLAME DETECTOR FU2 FUSIBILE DI LINEA LINE FUSE FU3 FUSIBILE LINEA BRUCIATORE BURNER LINE FUSE G NTERRUTTORE GENERALE MAIN DISCONNECTOR L NTERRUTTORE LINEA AUSILIARI AUXILIARY LINE SWITCH LAF LAMPADA SEGNALAZIONE ALTA FIAMMA BRUCIATORE BURNER IN HIGH FLAME INDICATOR LIGHT O TERRA LAFI LAMPADA SEGNALAZIONE ALTA FIAMMA BRUCIATORE BURNER IN HIGH FLAME INDICATOR LIGHT LB LAMPADA SEGNALAZIONE BLOCCO BRUCIATORE DICATOR LIGHT FOR BURNER LOCK OUT LB1 LAMPADA SEGNALAZIONE BLOCCO BRUCIATORE DICATOR LIGHT FOR BURNER LOCK OUT LBF LAMPADA SEGNALAZIONE BASSA FIAMMA BRUCIATORE BURNER IN LOW FLAME INDICATOR LIGHT LAMPADA SEGNALAZIONE BASS
4. EVG2 EVG1 FR LINEA TAB m EAS H Ser ET PT T URN ET BERE F pq e foe lt lt EVG1 EVG2 ER CONN LINEA 814711571 E we CONN TAB m a 11111 111 1 XX lo I I TS Es TAB MR NE i VERSIONE CON MARTINETTO IDRAULICO ST 3 X 4 WITH HYDRAULIC RAM VERSION 69 E 69 h m h 9 9 E 2 IB a CONN MOTORE V UAE SQN72 2A4A20 Mir co 230V 620W 370W 5 MOTORE VENTIL 620W FU2 63A F MOTORE VENTIL 370W FU2 10A F Data 1 977 0 2004 x FAN MOTOR 620W FU2 6 3A F FAN MOTOR 370W FU2 10A F 205 gt Revisione SE PREVISTO TAB TOGLIERE IL PONTE TRA I MORSETTI T6 T8 IF TAB USED REMOVE THE BRIDGE BETWEEN TERMINALS 16 18 bis 18 049
5. pete SATRONIC X lt V e PS WIT FRONTALE 1 FRONTALE 2 A APPARECECH B FRONTALE 1 FRONTALE 2 PPARECEH A B M S T N M TERRA GROUND CIRCUITO STAMPATO PRINTED CIRCUIT BOARD N e m 1 un o alk EEEN COD 6100542 AUX TAB STA LINEA TAB 1 TAT TATTOO B A er TAT Ke W i EVG es CONN LINE A T 11111 l aC TS 25 via T 94 MIN 6 3A T MAX 10A T LBF1 e LB1 e vs MOTORE VENTIL 620W FU2 6 3A F MOTORE VENTIL 370W FU2 10A F FAN MOTOR 620W FU2 6 3A F MOTOR 370W FU2 10 i CONN MOTORE V 2 es 230V 20W 370W
6. 14 15 Oil rate adjustment Single stage burners 15 PETATE PONI orare aE EA A E E E E E E EAE AA E A AA E EA E R 15 CO Ol TAO ZZ OS uuu uuu uu 15 Oil rate adjustment High low flame burners 16 xs aaa ts shee ke seg aed eee uu see 21 AOJUSUNG Me COMOUSTON Noad uuu u i u 21 Adjustments for burners with hydraulic ram snas anna annt 22 PARTIE OPERATION 23 OPERATION 24 T E 24 Double stage burners 24 PUNO CON Or DANO uu 24 PARTIE MAINTENANCE u u u uu uuu usu sns 25 ROUTINE OPERATIONS 25 Removing ne COMUUSHON NEAT uu u u paskaspa 25 Removi
7. LO280 BURNER EXPLODED VIEW POS BESORPTON GOF L6 0W SVOINN C I B UNIGAS M039134CD 33 SPARE PARTS UNIGAS M039134CD DESCRIPTION CODE LO280 Double UDE stage uel LO400 Single stage mi COVER 1011803 1011803 1011803 1011803 1011803 LOA24 CONTROL BOX 2020445 2020445 2020445 2020445 2020445 LMO24 CONTROL BOX 2020453 2020453 2020453 2020453 2020453 IGNITION ELECTRODES 2080283 2080283 2080259 2080260 2080259 2080259 2080260 FUEL FILTER 2090001 2090001 2090001 2090025 2090025 GASKET 2110059 2110059 2110059 2110059 2110059 FAN WHEEL 2150071 2150071 2150071 2150060 2150060 IGNITION TRANSFORMER 2170231 2170231 2170231 2170231 2170231 ELECTRIC MOTOR 2180717 2180717 2180717 2180714 2180714 EVG2 SOLENOID VALVE 2190638 2190638 HYDRAULIC RAM 2330053 2330053 FLEXIBLE HOSES 234FX22 234FX22 234FX22 2340001 2340001 ACTUATOR BERGER 2480057 2480057 ACTUATOR SIEMENS 24800A3 24800A3 PHOTORESISTOR 2510034 2510033 2510033 2510033 2510033 MOTOR PUMP COUPLING 2540055 2540055 2540055 2540055 2540055 EVG1 COIL 2580402 2580402 2580402 2580402 2580402 EVG2 COIL 2580402 2590130 2590152 2590130 2590170 2590170 NOZZLES 261 261 261 261 261 COMBUSTION HEAD 30601C5 30601C5 30601E1 30601A1 30601A0 BLAST TUBE ae wem wm IGNITION CABLES 6050153 6050153
8. Data 13 10 2004 Revisione 03 pis 18 049 MIN 10 15 0 1 2 5 4 5 6 7 8 9 10 11 12 13 14 VERSIONE AL TA BASSA FIAMMA HIGH LOW FLAME VERSION FRONTALE QUADRO PS CON SIEMENS FRONT CONTROL PANEL PS WITH SIEMENS c Ww lt I 9 jn PS CON SATRONIC PS WITH SATRONIC ll el walle FEST all SERVOCOMANDO SERRANDA ARIA LE AIR DAMPER ACTUATOR FRONT ALE 1 FRONTALE 2 APPARECCH A APPARECCH 5B0 37 63N30L ALTA FIAMMA FRONTALE 1 FRONTALE 2 PPARECCH A PPARECCH B HIGH FLAME II SOSTA ACCENSIONE BASSA FIAMMA I I 1 T STAND BY IGNITION LOW FLAME exp s D Ea ep ce ces lt lt AI Gal ss an APERTURA EVG2 OPEN EVG2 SERVOCOMANDO SERRANDA ARIA ALTERNA TIVO AIR DAMPER ACTUATOR AL TERNA TIVE SQN72 2A4A20 I ROSSO ALTA FIAMMA RED HIGH FLAME Il BLU SOSTA ACCENSIONE BASSA FIAMMA Il BLUE STAND BY IGNITION LOW FLAME IV NERO APERTURA EVG2 IV BLACK OPEN EVG2 2 TERRA GROUND ice CIRCUITO STAMPATO PRINTED CIRCUIT BOARD N 111111 COD 6100542
9. Minimum current intensity with flame 45 pA Maximum current intensity without flame 5 pA Maximum possible current intensity with 45 pA LOA flame 100 pA LMO 30 C I B UNIGAS M039134CD TROUBLESHOOTING 2 gt n a L9 z 5 z 2 5 25 xe 516 o 2 NS 9 n Oe noe Lr A wW Orr gt E E O ot in at 2 lt lt gt 0 Ona re OS D 2 O ors JEO LL lt O j 2 25 Zr 2 T 2 TT a oc c o 5 cr a a m a MAINS SWITCH OPEN FUSES INTERVENTION MAXIMUM PRESSURE SWITCH FAULT e e INTERVENTION OF THE FAN MOTOR e THERMAL CUTOUT AUXILIARIES RELAY FUSES INTERVEN e TION FLAME CONTROL BOX FAULT e e e SERVOCONTROL FAULT o SMOKY FLAME e e IGNITION TRANSFORMER FAULT e IGNITION ELECTRODE DIRTY OR BAD e POSITION DIRTY NOZZLE e FUEL SOLENOID VALVE DEFECTIVE e e PHORESISTANCE DIRTY OR DEFEC e e TIVE HIGH LOW FLAME THERMOSTAT e DEFECTIVE BAD POSITION OF ACTUATOR CAMS e FUEL LOW PRESSURE e FUEL FILTERS DIRTY e e o Seasonal stop To stop the burner in the seasonal stop proceed as follows turn the burner main switch to O Off position 1 2 3 disconnect the power mains close the fuel valve of the supply line Burner disposal In case of disposal follow the instructions according to the laws in force in your country about the Disposal of materials 31
10. OPERATIONS OR WHICH HAPPENS AFTER TOTAL OR PARTIAL TAMPERING WITH THESE E G DISCONNECTION EVEN PARTIAL OF THE ELECTRICAL LEADS OPENING THE GENERATOR DOOR DISMANTLING OF PART OF THE BURNER NEVER OPEN OR DISMANTLE ANY COMPONENT OF THE MACHINE OPERATE ONLY THE MAIN SWITCH WHICH THROUGH ITS EASY ACCESSIBILITY AND RAPIDITY OF OPERATION ALSO FUNCTIONS AS AN EMERGENCY SWITCH AND ON THE RESET BUTTON IN CASE OF A BURNER SHUT DOWN RESET THE CONTROL BOX BY MEANS OF THE RESET PUSHBUTTON IF A SECOND SHUT DOWN TAKES PLACE CALL THE TECHNICAL SERVICE WITHOUT TRYING TO RESET FURTHER WARNING DURING NORMAL OPERATION THE PARTS OF THE BURNER NEAREST TO THE GENERATOR COUPLING FLANGE CAN BECOME VERY HOT AVOID TOUCHING THEM SO AS NOT TO GET BURNT 23 UNIGAS M039134CD OPERATION Single stage burners Turn on the burner using the switch A on the control panel the control panel of the single stage burner is only provided with the power switch and the fuse Make sure that the control box is not in shutdown condition and if so release by using the release button S on the burner cover see Fig 37 Make sure that the set of thermostats or pressure switches enables burner operation The burner starting cycle begins and the control box starts the burner fan while the ignition transformer switches on at the same time At the end of pre ventilation the fuel solenoid valve receives input and the burner switches on The ignition
11. B F j TSA f FS Iz mE ZI 8 Y 22 gt 5 Bn GE z 8 7 e Key AL kbr BV EK1 EK2 FS FSV K LED M OW 8 t3 t3n co FS Z lt 14 7130403 0700 Alarm device Cable link required only when no oil pre heater is used Fuel valve Lock out reset button Remote lock out reset button Flame signal Flame signal amplifier Contacts of control relay 3 colour signal lamps Burner motor Release contact of oil pre heater Pre purge time Pre ignition time Post ignition time Beginning of start up sequence with burners using an oil pre heater Beginning of start up sequence with burners using no oil pre heater Controller output signals Required input signals OH Oil pre heater QRB Photoresistive detector QRC Blue flame detector bl blue br brown sw black R Control thermostat or pressurestat SB Si W Z 14 TSA tw B C D uC 1 uC2 Safety limit thermostat External primary fuse Limit thermostat or pressure switch Ignition transformer Interval from flame signal to release 2 Ignition safety time Waiting time for oil pre heating Time of flame establishment Operating position Controlled shut down by R Microcont
12. C close the gas valves contact qualified personnel Do not obstruct the ventilation openings of the room where gas appliances are installed to avoid dangerous conditions such as the development of toxic or explosive mixtures DIRECTIVES AND STANDARDS Gas burners European directives Directive 90 396 CEE Gas Appliances Directive 2006 95 EC on low voltage Directive 2004 108 CEE on electromagnetic compatibility Harmonised standards UNI EN 676 Gas Burners EN 60335 1 Household and similar electrical appliances Safety Part 1 General requirements EN 50165 Electrical equipment of non electric appliances for house hold and similar purposes Safety requirements Light oil burners European directives Directive 2006 95 EC on low voltage Directive 2004 108 CEE on electromagnetic compatibility Harmonised standards CEI EN 60335 1 Household and similar electrical appliances Safety Part 1 General requirements EN 50165 Electrical equipment of non electric appliances for house hold and similar purposes Safety requirements National standards UNI 7824 Monobloc nebulizer burners for liquid fuels Characteristics and test methods Heavy oil burners European directives Directive 2006 95 EC on low voltage Directive 2004 108 CEE on electromagnetic compatibility Harmonised standards CEI EN 60335 1 Household and similar electrical appliances SafetyPart 1 General requirements EN 5
13. atomization of oil into very small particles This process is achieved making oil passing through the nozzle at a determined pressure The pump s main function is to transfer oil from the tank to the nozzle in the desired quantity and pressure To adjust this pressure pumps are provided with a pressure regulator except for some models for which a separate regulating valve is provided Other pumps are provided with two pressure regulators one for the high and one for low pressure in tow stage systems with one noz zle These pumps can be installed both into single pipe and double pipe systems Single pipe system a single pipe drives the oil from the tank to the pump s inlet Then from the pump the pressurised oil is driven to the nozzle a part comes out from the nozzle while the othe part goes back to the pump In this system the by pass pulg if provided must be removed and the optional return port on the pump s body must be sealed by steel plug and washer Double pipe system as for the single pipe system a pipe that connects the tank to the pump s inlet is used besides another pipe that connects the pum s return port to the tank as well The excess of oil goes back to the tank this installation can be considered self ble eding If provided the inside by pass plug must be installed to avoid air and fuel passing through the pump Burners come out from the factory provided for double stage systems They can be suited for single p
14. compliance with the regulations in force following the manufacturer s instructions by qualified per sonnel e Qualified personnel means those having technical knowledge in the field of components for civil or industrial heating systems sanitary hot water generation and particularly service centres authorised by the manufacturer e Improper installation may cause injury to people and animals or damage to property for which the manufacturer cannot be held lia ble e Remove all packaging material and inspect the equipment for inte grity In case of any doubt do not use the unit contact the supplier The packaging materials wooden crate nails fastening devices plastic bags foamed polystyrene etc should not be left within the reach of chil dren as they may prove harmful Before any cleaning or servicing operation disconnect the unit from the mains by turning the master switch OFF and or through the cut out devices that are provided e Make sure that inlet or exhaust grilles are unobstructed Incase of breakdown and or defective unit operation disconnect the unit Make no attempt to repair the unit or take any direct action Contact qualified personnel only Units shall be repaired exclusively by a servicing centre duly authorised by the manufacturer with original spare parts Failure to comply with the above instructions is likely to impair the unit s safety To ensure equipment efficiency and proper operat
15. progressive C1 C2 Time counter versions only CONN LINEAConnectors on electrical board LB Burner lockout signalling lamp CONN TABConnectors on electrical board LBF Burner in low flame signalling lamp high low flame and progressive F1 F3 Fuses versions only IL Line switch for burner s auxiliaries N Neutral IM Fan motor line switch ST Thermostats or pressure switches group L Phase TAB High Low flame thermostat TS Boiler safety thermostat 11 C I B UNIGAS M039134CD Installation diagram of light oil pipes A PLEASE READ CAREFULLY THE WARNINGS CHAPTER AT THE BEGINNING OF THIS MANUAL From tank Totank Fig 21 Double pipe system The burner is supplied with filter and flexible hoses all the parts upstream the filter and downstream the return flexible hose must be installed by the customer As far as the hoses connection see the related paragraph Key Only for installations with gravity siphon or for 1 Burner ced circulation feed systems If the device installed 2 Flexible hoses fitted is a solenoid valve a timer must be installed to 3 Light oil filter fitted 4 Automatic interceptor The direct connection of the device without a timer 5 cause pump breaks 6 Gate valve 7 Quick closing gate valve outside the tank or boiler rooms Pump operating principle In the burners the mixture bertween oil and air to perform a clean and efficient combustion is activated by
16. supply 230V 50 60Hz 1N a c 2 Do not reverse phase with neutral 3 Ensure burner is properly earthed 35 MOTORE VENTILATORE FAN MOTOR CONNETTORE ALIMENTAZIONE SUPPLY CONNECTOR 230V 50 7 ac 10280 7 MODELLO MODEL G TN x xx A Commessa Data Controllato U PINTON S MARCHETTI fre 8 i C SIGLA ITEM 7 FOGLO SHEET RT ri ma FG 1 ELETTROVALvOLA GASOLO B LAMPADA SEGNALAZIONE BLOCCO BRUCIATORE INDICATOR LIGHT FOR BURNER LOCKOUT E LAMPADA SEGNALAZIONE FUNZIONAMENTO BRUCIATORE INDICATOR LIGHT BURNER OPERATION o 0 2 SIEMENS LOA24 LMO24 f1 CONTROLLO FIAMMA FLAME MONTOR DEVICE Data 18 117 2006 PREIS Seer 2 SEGUE TOTALE FRONTALE QUADRO PS CON SIEMENS PS WITH SIEMENS lt J J a FRONT CONTROL PANEL PS CON SATRONIC PS WITH SATRONIC FRONTALE 1 FRONTALE 2 APPARECCH A APPARECCH B FRONTALE 1 APPARECCH A APPARECCH B il IITTI M fri t mi M aol col e m Yo y lt lt TERRA GROUND nex CIRCUITO STAMPATO PRINTED CIRCUIT BOARD COD 61005
17. transformer remains switched on for a few seconds after the ignition of the flame post ignition time after which it is disconnected from the circuit Double stage burners e Turn on the burner using the switch on the control panel Fig 36 Make sure that the control box is not in shutdown condition and if so release by using the release button S on the burner cover see Fig 37 e Make sure that the set of thermostats or pressure switches enables burner operation e The burner starting cycle begins and the control box starts the burner fan while the ignition transformer switches on at the same time pre ventilation lasts for 13 or 25 seconds depending on the control box provided with the burner e At the end of pre ventilation the fuel solenoid valve 1st stage EVG1 receives input as signalled by the illumination of the signal light H on the control panel and the burner starts e The ignition transformer remains switched on for a few seconds after the ignition of the flame post ignition time after which it is disconnected from the circuit and the corresponding signal light switches off e In this way the burner is lit at low flame after 5 or 15 seconds depending on the control box installed two stage operation begins and the burner is either automatically brought to high flame light G on or remains burning at low flame light H on depending on the requests received from the system Burner control panel Keys A Main switc
18. ud C E v Y A 1 399 Technical characteristics Voltage 220V 15 240V 10 or 100V 15 110V 10 Frequency 50 60Hz 6 External fuse max 10A slow action Contact flow terminal 1 5A terminal 3 5A incl capacity absorbed by motor and pre heater Terminal flow terminals 4 5 amp 10 1A terminals 6 amp 7 2 terminal 8 5A Absorbed cap 3VA Protection 40 Premitted temp operational 20 60 C transport amp storage 50 60 Emplacement Mass weight any controller 180g socket 50g AGK accessories 12 g 0 4 N SIEMENS OIL BURNERS AUTOMATIC CONTROLLER SIEMENS LMO14 LMO24 LMO44 The LMO burner controls are designed for the start up and supervision of single or 2 stage forced draught oil burners in intermittent operation Yellow burning flames are supervised with photoresistive detectors QRB blue burning flames with blue flame detectors QRC In terms of housing dimensions electrical connections and flame detectors the LMO are identical to the LOA oil burner controls Preconditions for startup e Burner control is reset e All contacts in the line are closed e Noundervoltage e Flame detector is darkened no extraneous light Undervoltage e Safety shut down in the operating position takes place should the mains voltage drop below about AC 165 V e Restart is initiated when the mains voltage exceeds about A
19. 0165 Electrical equipment of non electric appliances for household and similar purposes Safety requirements National standards UNI 7824 Monobloc nebulizer burners for liquid fuels Characteristics and test methods Gas Light oil burners European directives Directive 90 396 CEE Gas Appliances Directive 2006 95 EC on low voltage Directive 2004 108 CEE on electromagnetic compatibility Harmonised standards UNI EN 676 Gas Burners CEI EN 60335 1 Household and similar electrical appliances Safety Part 1 General requirements EN 50165 Electrical equipment of non electric appliances for household and similar purposes Safety requirements National standards UNI 7824 Monobloc nebulizer burners for liquid fuels Characteristics and test methods Gas Heavy oil burners European directives Directive 90 396 CEE Gas Appliances Directive 2006 95 EC on low voltage Directive 2004 108 CEE on electromagnetic compatibility Harmonised standards UNI EN 676 Gas Burners CEI EN 60335 1 Household and similar electrical appliances Safety Part 1 General requirements EN 50165 Electrical equipment of non electric appliances for household and similar purposes Safety requirements National standards UNI 7824 Monobloc nebulizer burners for liquid fuels Characteristics and test methods UNIGAS M039134CD Burner model identification Burners are identified by burner type and model Burner model identi
20. 3 blinks Free 4 blinks Extraneous light on burner startup 5 blinks Free 6 blinks Free 7 blinks 777 Too manny losses of fleme during operation limitattion og the number of repetitions e Faulty or soiled fuel valves e Faulty or soiled flame detector Poor adjustment of burner 8 blinks Time supervision oil pre heater 9 blinks Free 10 blinks Wiring error or internal error output contacts During the time the cause of fault is diagnosed the control outputs are deactivated e Burner remains shut down e Fault status signal AL at terminal 10 is activated The diagnosis of the cause of fault is quit and the burner switched on again by resetting the burner control Press lock out reset button for about 1 second lt 3 seconds Connection diagram and internal diagram LMO14 EK1 H lt gY uC1 HC control 2 LED 1 2 a K3 OZ O _OOOO 9 SB x R OW LH EKO QRB t o Ww OH AL N QRC Si L 1 bl sw EDS BAR N 7130a01e 0700 LMO24 LMO44 contol
21. 47 at Fes o un Z 1 1 SERVOCOMANDO SERRANDA ARIA EVGI Ever re 1111111 RE 1 I 11 AIR DAMPER SERVO CONTROL MV se n Og STA 5B0 37 63N30L x x Ber a l SOSTA ACCENSIONE E BASSA FIAMMA VENTILATORE ER STAND BY IGNITION AND LOW FLAME S II SIE ERSIONE CON MARTINETTO IDRAULICO ST CIN FU x WITH HYDRAULIC RAM VERSION 6969 60 h 5 h SERVOCOMANDO SERRANDA ALTERNATIVO AIR DAMPER ACTUATOR ALTERNA TIVE SQN72 2A4A20 ES E ROSSO ALTA FIAMMA ANS RED HIGH FLAME 5 ane A SE USATO TAB TOGLIERE IL PONTE TRA MORSETTI T6 T8 IV NERO APERTURA EVG2 IF USED TAB REMOVE THE BRIDGE BETWEEN TERMINALS T6 T8 230V N IV BLACK OPEN EVG2 FOGLIO Data 08 01 2007 Revisione 03 pis 18 116
22. 6050153 6050153 6050153 PRINTED CIRCUIT BOARD 6100547 6100547 6100542 6100542 NOTE it is recommended to mention the burner number on the spare parts request form 34 UNIGAS M039134CD WIRING DIAGRAMS Wiring diagram 04 743 LO280 Single stage burners Wiring diagram 18 116 LO280 Double stage burners Wiring diagram 18 049 LO400 Keys C1 C2 EVG FR FU1 FU2 FUS3 IL IM KA2 3 KA2 4 KM1 1 KT2 4 LAF LMO 24 44 LOA24 44 LB LBF LEVG1 LTA MV PS LOW FLAME TIME METER HIGH FLAME TIME METER LIGHT OIL ELECTRO VALVE PHOTORESISTOR FLAME DETECTOR FAN MOTOR LINE FUSE LINE FUSE BURNER LINE FUSE BURNER LINE SWITCH FAN MOTOR LINE SWITCH AUXILIARY RELAY AUXILIARY RELAY FAN MOTOR CONTACTOR DELAYED RELAY BURNER IN HIGH FLAME INDICATOR LIGHT SIEMENS CONTROL BOX SIEMENS CONTROL BOX INDICATOR LIGHT FOR BURNER LOCK OUT BURNER IN LOW FLAME INDICATOR LIGHT INDICATOR LIGHT FOR OPENING OF ELECTRO VALVE EVG1 IGNITION TRANSFORMER INDICATOR LIGHT FAN MOTOR LOCK OUT RESET BUTTON WITH LOA44 AND LMO ONLY SATRONIC DKO976 DKW976CONTROL BOX SATRONIC DKW972 CONTROL BOX SATRONIC TF976 ST SW1 TA TAB TS CONTROL BOX SERIES OF THERMOSTATS OR PRESSURE SWITCHES II STAGE BURNER START BUTTON IGNITION TRANSFORMER HIGH LOW THERMOSTAT PRESSURE SWITCHES SAFETY THERMOSTAT OR PRESSURE SWITCH IF TAB USED REMOVE THE BRIDGE BETWEEN TERMINALS T6 T8 WARNING 1 Electrical
23. 80 mod LO400 7 bar min 25 ber max Made in France 21800 Longvic tee i 83 Fig 26 Fig 24 Fig 25 3 Screw the rotating nut D of the two flexible hoses F on the pump being careful to avoid inverting the delivery and return lines 4 Fix the flexible hoses as showed on Fig 27 Fig 27 5 Replace burner cover AN WARNING if fuel used is BIODIESEL some components must be replaced Please contact our Technical Department for further details 14 UNIGAS M039134CD SETTINGS LO280 Oil rate adjustment Single stage burners Priming the pump Prior to start up the burner make sure that the return pipe to the tank is not obstructed Any obstruction would cause the pump seal to break Before carrying out the adjustment it is necessary to start up the fuel pump proceeding as follows remove the burner cover start the burner up by turning the main switch to on make the thermostat ST contacts close wait for the solenoid valve to open remove the photoresistor and light it up bleed the air from the pressure gauge port See paragraph Light oil pumps the burner locks press the unlock pushbutton of the burner and repeat the steps above NN The fuel flow rate is set choosing a properly dimensioned nozzle and setting the inlet pressure on the pump see the hydraulic diagram in To choose the correct nozzle refer to Tab 1 for the se
24. A BASSA FIAMMA HIGH LOW THERMOSTAT PRESSURE SWITCHES TS TERMOSTATO PRESSOSTATO DI SICUREZZA SAFETY THERMOSTAT OR PRESSURE SWITCH SIGLA ITEM DESCRIZIONE DESCRIPTION O MOTORE VENTIL 620W FU2 6 3A F MOTORE VENTIL 370W FU2 10A F FAN MOTOR 620W FU2 63A F FAN MOTOR 370W FU2 10A F SE PREVISTO TAB TOGLIERE IL PONTE TRA MORSETTI 6 8 IF TAB USED REMOVE THE BRIDGE BETWEEN TERMINALS T6 T8 Data 12 10 2004 Revisione 05 bis 18 049 SIEMENS OIL BURNERS AUTOMATIC CONTROLLER LOA24 Use LOA safety devices are intended for use solely with QRB photoresi stors for lighting and controlling low capacity forced air light oil burners with max capacity 30 kg h in accordance with standard DIN 4787 The One or two flamess are lit through electrical connections with or without post ignition To replace LAI AND LAB WITH LOA LOA models can be used as replacement for LAI and LAB controllers by means of the adapter KF8819 and without the need to change the electrical wiring Because the LOA is smaller in dimensions when it is used with the adapter the external dimensions are almost identical which means that there is no need to move the reset button Performance The controllers just need plugging in so they can be mounted in almost any position on th
25. A FIAMMA BRUCIATORE BURNER IN LOW FLAME INDICATOR LIGHT LAMPADA SEGNALAZIONE APERTURA EVG1 DICATOR LIGHT FOR OPENING OF ELECTRO VALVE FVG1 LEVG2 LAMPADA SEGNALAZIONE APERTURA EVG2 DICATOR LIGHT FOR OPENING OF ELECTRO VALVE EVG2 LTA LAMPADA SEGNALAZIONE TRASFORMATORE DI ACCENSIONE GNITION TRANSFORMER INDICATOR LIGHT MV MOTORE VENTILATORE FAN MOTOR PS PULSANTE SBLOCCO FIAMMA SOLO CON LOAA4 E LMO LOCK OUT RESET BUTTON WITH LOAG4 AND LMO ONLY SATRONIC DK0976 DKW976 APPARECCHIATURA CONTROLLO FIAMMA FLAME MONITOR DE VICE SATRONIC DKW972 APPARECCHIATURA CONTROLLO FIAMMA FLAME MONITOR DE VICE SIEMENS LOA24 44 LMO 24 44 APPARECCHIATURA CONTROLLO FIAMMA FLAME MONITOR DEVICE SON72 2A4A20 SERVOCOMANDO SERRANDA ARIA ALTERNATIVOI AIR DAMPER SERVO CONTROL ALTERNATIVO ST SERIE TERMOSTATI PRESSOSTATI SERIES OF THERMOSTATS OR PRESSURE SWITCHES STA4 5B0 37 63N30L SERVOCOMANDO SERRANDA ARIA AIR DAMPER SERVO CONTROL TA TRASFORMATORE DI ACCENSIONE IGNITION TRANSFORMER TAB TERMOSTATO PRESSOSTATO ALTA BASSA FIAMMA HIGH LOW THERMOSTAT PRESSURE SWITCHES TS TERMOSTATO PRESSOSTATO DI SICUREZZA SAFETY THERMOSTAT OR PRESSURE SWITCH Data 08 01 2007 Revisione 03 pis 18 116 0 1 2 5 4 5 6 7 8 9 10 11 12 13 14 FRONTALE QUADRO PS CON SIEMENS VERSIONE MONOS A DIO u IN SINGLE STAGE VERSION FRONT CONTROL PANEL E E e
26. C 175 V Time supervision oil pre heater If the oil pre heater s release contact does not close within 10 minutes the burner control will initiate lock out Controlled intermittent operation After no more than 24 hours of continuous operation the burner control will initiate an automatic safety shut down followed by a restart Control sequence in the event of fault If lock out occurs the outputs for the fuel valves and the ignition will immediately be deactivated 1 second After a mains failure After voltage has fallen below the Restart undervoltage threshold Commands in the event of operational interference Stray light premature ignition During pre purge and or pre ignition there should be no flamesignal If there is a flame signal eg from premature ignition due to a faulty solenoid external light short circuit in the photoresisto or wiring malfunction in the flame signal amplifier etc at the end of pre purge and safety time the controller locks out the burner and stops the fuel flow even during safety time Absence of flame If there is no flame at the end of safety time the controller locks out imme diately Absence of flame during operation If there is no flame during operation the controller cuts off the supply of fuel and automatically initiates a fresh start up programme at the end of t4 the start up programme ends Whenever there is a safety stop terminals 3 8 and 11 are de energised in less tha
27. GER STA Siemens SQN72 I red II blue vew Berger STA12 this actuator is not provided with the manual control of the air damper The adjustment of the cams is carried out by means of a screwdriver by twisting the VS screw located inside the cam Siemens SQN72 a key is provided to move cams and IV the other cams can be moved by means of screws On the Siemens actuator the AUTO MAN mode is provided see picture Air adjustment in high flame cam Air adjustment in low flame Stand by Ignition cam EVG2 opening 2nd nozzle During the first setting set the cam Berger IV Siemens between the cams and Then passing from the low to high flame stage or viceversa change the setting according to the flame composition if cam III is too near to the low flame position cam Il flue gas can take place because there is more fuel than air if cam IIl is too near to the high flame cam 1 the flame could fade because of too much air mod LO280 Pumps Pump Suntec AS47 A 2 12 050 Fuel temperature 0 60 C Maximum inlet pressure Minimum inlet pressure 0 45 bar to avoid gasing Maximum Return pressure 2 bar 3600 pm Pump Suntec AT2 45A 2 12 650 mms 60 C Maximum return pressure 2 bar Keys for Suntec AS47 A pump Keys for Suntec A T2 45A pump 1 Pressure governor 1 Low pressure regulation first stage 2 Manometer 2 Manometer 3 Vacuum gaug
28. NN 1 0280 1 0400 IDEA Series Light oil Burners MANUAL OF INSTALLATION USE MAINTENANCE DIB UNIGAS mw m mm BRULERS BRENNER QUEMADORE BURNERS BRUCIATORI TABLE OF CONTENTS li litorfe 3 PARTE NSTIALLATIION iu HN 5 Bumer Modelden Calon Fr 5 Technical DOCCINCAU c wor E 5 gt nu P S un uns doce 6 xc RERUM 7 FOW tO modly Dast n u u u ucu E E E 8 MOUNTING AND CONNECTIONS 10 Me 10 FINOT DUMEr TNC DONC 10 11 Installation diagram of light oil pipes 12 OOS ATO gt 12 IDC WINS 19 DSe pi fel DI uu 13 Connecting the light ON flexible
29. TORE DICATOR LIGHT FOR BURNER LOCK OUT Q Q LBI LAMPADA SEGNALAZIONE BLOCCO BRUCIATORE DICATOR LIGHT FOR BURNER LOCK OUT E LAMP ADA SEGNALAZIONE BASSA FIAMMA BRUCIATORE BURNER IN LOW FLAME INDICATOR LIGHT LBF1 LAMPADA SEGNALAZIONE BASSA FIAMMA BRUCIATORE BURNER IN LOW FLAME INDICATOR LIGHT Q LEVG1 LAMPADA SEGNALAZIONE APERTURA EVG1 DICATOR LIGHT FOR OPENING OF ELECTRO VALVE O LEVG2 LAMPADA SEGNALAZIONE APERTURA 2 DICATOR LIGHT FOR OPENING OF ELECTRO VALVE IEVG2 O LF LAMPADA SEGNALAZIONE FUNZIONAMENTO BRUCIATORE DICATOR LIGHT BURNER OPERATION LTA LAMPADA SEGNALAZIONE TRASFORMATORE DI ACCENSIONE GNITION TRANSFORMER INDICATOR LIGHT MV MOTORE VENTILATORE FAN MOTOR O O TERRA PS PULSANTE SBLOCCO FIAMMA SOLO CON LOAA4 E LMO LOCK OUT RESET BUTTON WITH LOA amp 4 AND LMO ONLY SATRONIC DKO974 APPARECCHIATURA CONTROLLO FIAMMA CONTROL BOX SATRONIC DK0976 DKW976 APPARECCHIATURA CONTROLLO FIAMMA CONTROL BOX C SATRONIC DKW972 APPARECCHIATURA CONTROLLO FIAMMA CONTROL BOX SIEMENS LOAZ4 44 LMO 24 44 APPARECCHIATURA CONTROLLO FIAMMA CONTROL BOX O SON722ALA20 SERVOCOMANDO SERRANDA ARIA ALTERNATIV0 AIR DAMPER ACTUATOR ALTERNATIVE ST SERIE TERMOSTATI PRESSOSTAT SERIES OF THERMOSTATS OR PRESSURE SWITCHES O STAA4 5B0 37 63N30L SERVOCOMANDO SERRANDA ARIA AIR DAMPER ACTUATOR S Swi PULSANTE INNESCO SECONDO STADIO BRUCIATORE 1 STAGE BURNER START BUTTON TA TRASFORMATORE DI ACCENSIONE IGNITION TRANSFORMER O TAB ERMOSTATO PRESSOSTATO ALT
30. and locks out the apparatus Wiring diagram of the programme To ensure correct wiring it is essential to observe local standards and fol low the instructions of the burner manufacturer with regard to assembly and start up Program s legend Controller output signals Required input signals A Burner start up with light oil pre heater OH Burner start up without light oil pre heater Flame lit Normal operation Normal stop through R tw Oil pre heating time until operational all clear given through contact OW tl Pre purge time t3 Pre ignition time t2 Safety time tn Post ignition time t4 Interval between the flame lighting and energising of solenoid 2a at terminal 5 Internal layout AL Optical alarm BV Fuelvalve EK Reset button Flame relay fr Flame relay contacts FS Flame alight signal G Burner motor K Flame relay anchor to delay the tzl command in the event of a premature flame signal or endorse it where the signal is correct OH light oil pre heater OW Operational all clear contact QRB Photo resistant cell flame detector H Thermostat or pressure switch TZ Thermo electric programmer bimetal system tz TZ contacts V Flame signal amplifier W Safety thermostat or pressure switch Z Ignition transformer The above are safety devices To tamper with them in any way may have unforeseeable conse quences Do not open them A A B D RIW dream poa a
31. burners Set the air rate working on the screw VBS Fig 32 screw to decrease the air rate or unscrew to increase it Double stage burners The air flow can be adjusted using the air damper servo control cams as follows Remove the burner cover cover Remove the actuator cover Start the burner and let it burn at low flame remove the bridge between terminals T6 and 8 Adjust the air flow in low flame by working on the proper cam page 20 Prime the second nozzle using the following procedure Start the burner When the flame appears press the P1 button Fig 33 for a few seconds to fill the second nozzle pipe The cycle continues and if the TAB thermostat is connected the flame control box brings the burner to high flame If the ther mostat is not connected bridge Terminals T6 and T8 on the con nector see pag 11 Adjust the air flow at high flame by working on the appropriate cam The cam that enables the opening of the 2nd stage fuel valve valve EVG2 must be set in an intermediate position between the other two cams Replace the cover on the actuator Replace the burner cover Connections for pressure measurement Fig 33 Second nozzle ignition pushbutton on double stage burners Combustion chamber pressure port 19 Fan air pressure port C I B UNIGAS M039134CD Adjusting the actuator cams Refer to the next table for cams functions Berger STA4 5 Siemens SQN72 BER
32. e 3 Vacuum gauge 4 Solenoid valve 4 Light oil solenoid valve 5 Nozzle outlet 4a High low pressure solenoid valve 7 Suction 5 Nozzle outlet 8 Return 6 High pressure regulation Second stage 7 Suction 8 Return with internal by pass plug 20 UNIGAS M039134CD Pumps for mod LO400 Pump Suntec AL65 Viscosity range 2 12 cSt mm s OWtempeuue 0 60 G Inlet pressure 2 bar Minimum inlet pressure 0 45 barto avoid gasing Maximum return pressure 2 bar Rated speed 3600 rpm Keys 1 inlet suction G1 4 2 return and internal by pass plug G1 4 3 outlet to the nozzle G1 8 4 pressure gauge port G1 8 5 6 vacuum gauge port G1 8 pressure adjusting screw ADJUSTING THE COMBUSTION HEAD The burner is set in the factory with the combustion head in the MAX position corresponding to the maximum power combustion head all forward To operate the burner at a lowest strenght progressively shift back the combustion head toward the MIN position rotating the VRT screw clockwise Fig 34 Fig 35 Fig 34 21 UNIGAS M039134CD Adjustments for burners with hydraulic ram High flame air regulation Low flame air regulation Hydraulic ram for air damper control Air setting the low flame air setting must be carried out first a Low flame setting To set the low flame proceed as follow e Break off the contact of the second stage regulator unloose the locking nu
33. e burner on the electrical panel or on the control panel The casing is made of robust heat resistant plastic and contains the thermic programmer operating a multiple switch control system with ambient temperature compensator e flame signal amplifier with flame relay e warning light indicating lockout and associated sealed reset button The plug in socket also made of robust heat resistant plastic contains the 12 terminals and also e neutral terminals ready wired up to terminal 2 e 4earth terminals for earthing the burner e 2 supplementary terminals numbered 31 and 32 The socket has two openings at the bottom for the leads 5 others with threaded connection for cable holders PG11 or 3 4UNP for non metallic sleeves are located on a mobile stuffing box one on either side and 3 on the front There are two flexible metal tongues on the sides of the socket for moun ting To dismantle it only requires gentle pressure with a screw driver in the slot of the mounting guide The base dimensions of the socket are exaclty the same as for types LAB LAI and there is no difference in the diameter of the reset button the two mounting screws and the flange of the burner earth Safety at low voltage levels Safety devices against any reduction in the mains voltage operate on a special electronic circuit which in the event of the power supply falling below 165V stops the burner switching on without releasing the fuel
34. e combustion head is set in order to find a compromise between the burner output and the generator specifications that is why the minimum output may be different from the Per formance curve minimum UNIGAS M039134CD How to modify blast tube length mod LO400 To modify blast tube length please read the following instructions 1 Remove combustion head See Removing the combustion head Part III of this user s manual 2 Remove the flanged piece T by removing the 4 socket head screws VTF Fig 4 3 Remove the 4 screws which hold the blast tube to the flanged piece Fig 5 4 Extract the blast tube from the flanged piece and assemble it in the other way round as shown in pictures Fig 6 and Fig 7 Now fasten the two pieces using the same screws Fig 8 5 Assemble the whole piece to the burner paying attention to the indication in picture Fig 9 Fig 6 Short blast tube Fig 7 Long blast tube Fig 8 Fig 9 If you modify the blast tube length you have to modify also the combustion head length by reading the following instructions 1 Loosen the light oil feeding pipes connected to the nozzle holder by using two spanners size 22 and 10 Fig 10 Adjust cables length by pulling them very slightly as shown in Fig 11 Loosen the screw VA which tights the rod A Fig 12 and shift backward the flange as shown Tight the screw in the backward hole on the rod see picture Fig 13 Fix the tw
35. e replaced An external filter should always be installed in the suction line upstream of the fuel unit e Disassembly inspection and cleaning of the combustion head Respect the measurements listed on pag 30 carefully during re assembly Inspection and cleaning of ignition electrodes pag 28 and respective ceramic insulators clean adjust and replace if necessary e Disassemble and clean the light oil nozzles pag 28 IMPORTANT cleaning must be performed using solvent not metal tools At the end of maintenance operations after first reassembling the burner light the flame and check its shape replacing the nozzle whe never a questionable flame shape appears Whenever the burner is used intensely we recommend preventively replacing the nozzle at the start of each heating season Inspect and thoroughly clean the flame detection photoresistor and replace if necessary In case of doubt check the detection cur rent after first starting the burner by following the procedure illustrated in Fig 56 Clean and grease levers and rotating parts Removing the combustion head Remove the burners cover by unscrewing the fixing screws e Slacken the light oil pipes T1 and T2 from the pump Fig 38 e Disconnect the ignition cables CA1 and CA2 from the transformer TA Fig 39 e Remove the 4 screws V1 V4 shown in Fig 41 e Disconnect the connector CE fron the solenoid valve EV2 N ATTENTION the screw V1 is longer t
36. ens SQN72 VS blue e Berger STA12 this actuator is not provided with the manual control of the air damper The adjustment of the cams is carried out by means of a screwdriver by twisting the VS screw located inside the cam e Siemens SQN 72 a key is provided to move cams and IV the other cams can be moved by means of screws On the Siemens actuator the AUTO MAN mode is provided see picture Air adjustment in high flame cam Air adjustment in low flame Stand by Ignition cam During the first setting set the cam Ill Berger IV Siemens between the cams and Then passing from the low to high flame stage or viceversa change the setting according to the flame composition if cam III is too near to the low flame position cam Il flue gas can take place because there is more fuel than air if cam IIl is too near to the high flame cam 1 the flame could fade because of too much air 17 UNIGAS M039134CD MOD LO400 SETTINGS Priming the pump Prior to start up the burner make sure that the return pipe to the tank is not obstructed Any obstruction would cause the pump seal to break Before carrying out the adjustment it is necessary to start up the fuel pump proceeding as follows remove the burner cover start the burner up by turning the main switch to on make the thermostat ST contacts close wait for the solenoid valve to open remove the photoresi
37. fication is described as follow ype LO400 Model AB S A 1 2 3 4 5 6 1 BURNER TYPE LO550 FUEL G Light oil A Biodiesel 3 OPERATION Available versions TN Single stage AB Double stage BLAST TUBE S Standard L Extended 6 BURNER VERSION A Standard M With hydraulic ram Technical Specifications omo Poeapy Operation Dobesap _ Wowgsewe _ mms 198994 194999 _ tea _ Operating temperature 10 50 Storage Temperature 20 60 NOTE Choosing the nozzle for light oil consider Hi equal to 42 74MJ kg Single stage Double stage NOTE ON THE BURNER WORKING SERVICE e Burners provided with Siemens LOA24 control box for safety reasons one controlled shutdown must take place every 24 hours e Burners provided with Siemens LMO24 44 control box the control box automatically stops after 24h of continuous working The control box immediately starts up automatically WARNING if fuel used is BIODIESEL some components must be replaced Please contact our Technical Department for further details Overall dimensions mm Boiler recommended drilling template and burner flange A L B S L Omin Omx P T X Y x L MIN S measure referred to burners fitted with standard blast t
38. h B High flame lamp C Low flame lamp D Ignition transformer ligh E Lockout signalling lamp F Fuse G High flame solenoid valve operation light H Low flame solenoid valve operation light S Reset pushbutton Fig 37 Fig 36 Fig 37 24 UNIGAS M039134CD At least once a year carry out the maintenance operations listed below In the case of seasonal servicing it is recommended to carry out the maintenance at the end of each heating season in the case of continuous operation the maintenance is carried out every 6 months WARNING ALL OPERATIONS ON THE BURNER MUST BE CARRIED OUT WITH THE MAINS DISCONNECTED AND THE FUEL MANAUL CUTOFF VALVES CLOSED ATTENTION READ CAREFULLY THE WARNINGS CHAPTER AT THE BEGINNIG OF THIS MANUAL A PLEASE READ CAREFULLY WARNINGS CHAPTER AT THE BEGINNING OF THIS MANUAL ROUTINE OPERATIONS Inspection and cleaning of the light oil filter cartdrige replace it if necessary Check the overall condition of the flexible light oil hoses and make sure there are no signs of leakage Inspection and cleaning of the filter inside the light oil pump filter must be thoroughly cleaned at least once in a season to ensure correct working of the fuel unit To remove the filter unscrew the four screws on the cover When reassemble make sure that the filter is mounted with the feet toward the pump body If the gasket between cover and pump housing should be damaged it must b
39. han the other and must be replaced in the same position e Withdraw the photoelectric cell FR from its housing Fig 42 N ATTENTION avoid to withdraw the photoelectric cell drawing its cable e Remove the combustion head from its housing e Clean the combustion head by a compressed air blow or in case of scale scrape it off by a scratchbrush e Replace the combustion head e Replace the burner s cover 25 UNIGAS M039134CD El L Fig 42 Fig 43 Removing burner components plate Remove the combustion head see Removing the combustion head on page 25 Remove the 7 screws V5 V11 which fasten the components plate Fig 44 Remove the rod T from its housing as shown in Fig 45 Hook the burner components plate as shown in Fig 46 26 UNIGAS M039134CD SL i eh E i z k HWHHIHHHHUHH he Fig 46 Assembling burner components plate Reassemble burner components plate and tighten the 6 screws V5 V11 Fig 44 Refit the rod T Fig 45 Reassemble the combustion head and tighten the 4 screws V1 V4 Fig 41 2 UNIGAS M039134CD Removing the electrodes Remove the combustion head see Removing the combustion head on page 25 e Withdraw the screw VE and rem
40. intended to discharge the products of combustion are operating properly f on completion of setting and adjustment operations make sure that all mechanical locking devices of controls have been duly tightened 0 make sure that a copy of the burner use and maintenance instruc tions is available in the boiler room Incase of a burner shut down reser the control box by means of the RESET pushbutton If a second shut down takes place call the Technical Service without trying to RESET further The unit shall be operated and serviced by qualified personnel only in compliance with the regulations in force 3 GENERAL INSTRUCTIONS DEPENDING ON FUEL USED 3a ELECTRICAL CONNECTION For safety reasons the unit must be efficiently earthed and installed as required by current safety regulations e It is vital that all saftey requirements are met In case of any doubt ask for an accurate inspection of electrics by qualified personnel since the manufacturer cannot be held liable for damages that may be caused by failure to correctly earth the equipment e Qualified personnel must inspect the system to make sure that it is adequate to take the maximum power used by the equipment shown on the equipment rating plate In particular make sure that the system cable cross section is adequate for the power absorbed by the unit e No adaptors multiple outlet sockets and or extension cables per mitted to connect the unit to the electric mai
41. ion it is essential that maintenance operations are performed by qualified personnel at regular intervals following the manufacturer s instructions When a decision is made to discontinue the use of the equipment those parts likely to constitute sources of danger shall be made har mless Incase the equipment is to be sold or transferred to another user or in case the original user should move and leave the unit behind make sure that these instructions accompany the equipment at all times so that they can be consulted by the new owner and or the installer e For all the units that have been modified or have options fitted then original accessory equipment only shall be used e This unit shall be employed exclusively for the use for which it is meant Any other use shall be considered as improper and there fore dangerous The manufacturer shall not be held liable by agreement or otherwise for damages resulting from improper installation use and failure to comply with the instructions supplied by the manufacturer 2 SPECIAL INSTRUCTIONS FOR BURNERS The burner should be installed in a suitable room with ventilation Openings complying with the requirements of the regulations in force and sufficient for good combustion Only burners designed according to the regulations in force should be used This burner should be employed exclusively for the use for which it was designed Before connecting the burner make su
42. ipe system recommended in the case of gravity feed as decribed before Bleed Bleeding in two pipe operation is automatic it is assured by a bleed flat on the piston In operation the plug of a pressure gauge port must be loosened until the air is evacuated from the system 12 Pipeline size As far as the pipes installation refer to the following values considering as well the plant s needs Syphon twin pipe feed Fig 22 UNIGAS M039134CD Twin pipe suction feed Fig 23 SUNTEC AL65 AS47 AT2 45 SUNTEC AL65 AS47 AT2 45 H m L m H m L m 06 08 010 012 06 08 010 012 0 14 49 123 150 0 14 49 123 150 0 5 16 55 136 150 0 5 12 44 110 150 1 18 61 150 150 1 10 38 96 150 2 22 73 150 150 2 7 26 66 140 3 25 85 150 150 3 3 13 13 75 4 29 96 150 150 4 0 1 1 15 L Maximum pipeline length in meters according to its size and the tank positioning About the use of fuel pumps Make sure that the by pass plug is not used in a single pipe installation because the fuel unit will not function properly and damage to the pump and burner motor could result Do not use fuel with additives to avoid the possible formation over time of compounds which may deposit between the gear teeth thus obstructing them After filling the tank wait before starting the burner This will give any suspe
43. n 1 second at the same time a remote lockout signal is transmit ted through terminal 10 The controller can be reset after c 50 seconds In the event of a premature faulty APRI obs flame signal during t1 Prevention of start up lock out after no more than 40 seconds If the burner does not ignite during Lock out at the end of TSA TSA In the event the flame is lost during Max 3 repetitions followed operation by lock out Oil pre heater s release contact does iP Lock out not close within 10 min Lock out In the event of lock out the LMO remains locked lock out cannot be changed and the red signal lamp will light up This status is also maintai ned in the case of a mains failure Resetting the burner Whenever lock out occurs the burner control can immediately be reset To do this keep control the lock out reset button depressed for about 1 second lt 3 seconds Ignition program with LMO24 113A2 If the flame is lost during TSA the burner will be reignited but not later than at the end of TSAmax This means that several ignition attempts can be made during TSA refer to Program sequence Limitation of repetitions If the flame is lost during operation a maximum of 3 repetitions can be made If the flame is lost for the 4th time during operation the burner will initiate lock out The repetition count is restarted each time controlled switching on by R W SB takes place In
44. nded impurities time to deposit on the bottom of the tank thus avoiding the possibility that they might be sucked into the pump On initial commissioning a dry operation is foreseen for a considerable length of time for example when there is a long suction line to bleed To avoid damages inject some lubrication oil into the vacuum inlet Care must be taken when installing the pump not to force the pump shaft along its axis or laterally to avoid excessive wear on the joint noise and overloading the gears Pipes should not contain air pockets Rapid attachment joint should therefore be avoided and threaded or mechanical seal junc tions preferred Junction threads elbow joints and couplings should be sealed with removable sg component The number of junc tions should be kept to a minimum as they are a possible source of leakage Do not use PTFE tape on the suction and return line pipes to avoid the possibility that particles enter circulation These could depo sit on the pump filter or the nozzle reducing efficiency Always use O Rings or mechanical seal copper or aluminium gaskets jun ctions if possible An external filter should always be installed in the suction line upstream of the fuel unit 13 UNIGAS M039134CD Connecting the light oil flexible hoses To connect the flexible hoses to the pump proceed as follows 1 Remove burner s cover 2 Remove the light oil pump delivery and return line plugs A and B mod LO2
45. ng burner components plate 26 Assembling burner components 27 icu TAC 28 JO O Y IO 29 Correct position of electrodes and combustion head 30 CRE CRIS CUNEN cael dead a ee Y i 30 TO BO uuu sess cnet 31 BURNER EXPLODED VIEW A 32 PARE PART S u 94 RR 35 APPENDIX WARNINGS THIS MANUAL IS SUPPLIED AS AN INTEGRAL AND ESSENTIAL PART OF THE PRODUCT AND MUST BE DELIVERED TO THE USER INFORMATION INCLUDED IN THIS SECTION ARE DEDICATED BOTH TO THE USER AND TO PERSONNEL FOLLOWING PRO DUCT INSTALLATION AND MAINTENANCE THE USER WILL FIND FURTHER INFORMATION ABOUT OPERATING AND USE RESTRICTIONS IN THE SECOND SECTION OF THIS MANUAL WE HIGHLY RECOMMEND TO READ IT CAREFULLY KEEP THIS MANUAL FOR FUTURE REFERENCE m GENERAL INTRODUCTION The equipment must be installed in
46. ns An omnipolar switch shall be provided for connection to mains as required by the current safety regulations The use of any power operated component implies observance of a few basic rules for example do not touch the unit with wet or damp parts of the body and or with bare feet do not pull electric cables do not leave the equipment exposed to weather rain sun etc unless expressly required to do so do not allow children or inexperienced persons to use equipment e The unit input cable shall not be replaced by the user In case of damage to the cable switch off the unit and contact qualified personnel to replace When the unit is out of use for some time the electric switch supplying all the power driven components in the system i e pumps burner etc should be switched off 3b FIRING WITH GAS LIGHT OIL OR OTHER FUELS GENERAL The burner shall be installed by qualified personnel and com pliance with regulations and provisions in force wrong installation can cause injuries to people and animals or damage to property for which the manufacturer cannot be held liable e Before installation it is recommended that all the fuel supply system pipes be carefully cleaned inside to remove foreign matter that might impair the burner operation Before the burner is commissioned qualified personnel should ins pect the following a the fuel supply system for proper sealing b fuel fl
47. o extensions supplied along with the burner inside the accessories carton box on the light oil feeding pipes Fig 14 and tight them by using two spanners size 13 and 10 Fig 15 Fix the extensions to the nozzle holder by using two spanners size 22 and 10 Fig 15 W PY UNIGAS M039134CD 6 Assemble again the combustion head See Removing the combustion head Part III of this user s manual Fig 15 Fig 13 Fig 14 UNIGAS M039134CD MOUNTING AND CONNECTIONS Packing The burners are despatched in packages of dimensions 795 x 550 x 490 mm W x H x D Packing cases of this kind are affected by humidity the maximum number of cases to be stacked is indicated outside the packing The following are placed in each packing case burner light oil flexible hoses light oil filter gasket to be inserted between the burner and the boiler envelope containing this manual To get rid of the burner s packing and in the event of scrapping of the latter follow the procedures laid down by current laws on disposal of materials Fitting the burner to the boiler To perform the installation proceed as follows 1 place the 4 stud bolts on the hole of the boilers door according to the burner s drilling plate described on paragraph Overall dimensions 2 place the gasket on the burner s flange 1 4 5 install the burner into the boiler 4 fix the burner
48. ove the electrodes from the support Fig 47 Fig 48 Fig 47 Double stage burner Fig 48 Single stage burner Disassembly of the nozzle mod LO280 Loose screw V that fasten the combustion head and remove the head from the nozzle holder Fig 49 Fig 50 In order to remove the nozzle it is important to use two wrenches as shown to avoid damaging the burner component plate e Replace the combustion head paying attention to the position A measured before remembering to fasten screw V Fig 50 28 UNIGAS M039134CD Removing the nozzles LO400 e Unscrew the Allen screw VT and remove the combustion head TC as shown on Fig 51 Fig 52 e Unscrew the nozzles using two wrenches 16 and 24 mm as shown in Fig 53 Double stage burners Single stage burners 29 UNIGAS M039134CD Correct position of electrodes and combustion head To ensure a good ignition respect the measures in Fig 54 Fig 55 Single stage burners mod LO280 LO400 and Double stage burners mod LO280 A 8 10mm B 4 5 6 mm C 10 mm D 6 5 mm Fig 54 A 8 10 B 4 5 6 mm C 8 mm D 5mm Fig 55 Check the detection current See the diagram in Fig 56 to measure the detection current If the signal doesn t suit the suggested value check the electric terminal the cleaning of the combustion head and the position of the photoelectric cell replace it if necessary CN7 CONNECTOR
49. ow rate to make sure that it has been set based on the firing rate required of the burner c the burner firing system to make sure that it is supplied for the desi gned fuel type d the fuel supply pressure to make sure that it is included in the range shown on the rating plate e the fuel supply system to make sure that the system dimensions are adequate to the burner firing rate and that the system is equipped with all the safety and control devices required by the regulations in force When the burner is to remain idle for some time the fuel supply tap or taps should be closed SPECIAL INSTRUCTIONS FOR USING GAS Have qualified personnel inspect the installation to ensure that a the gas delivery line and train are in compliance with the regulations and provisions in force all gas connections are tight the boiler room ventilation openings are such that they ensure the air supply flow required by the current regulations and in any case are sufficient for proper combustion Do not use gas pipes to earth electrical equipment Never leave the burner connected when not in use Always shut the gas valve off In case of prolonged absence of the user the main gas delivery valve to the burner should be shut off Precautions if you can smell gas a do not operate electric switches the telephone or any other item likely to generate sparks b immediately open doors and windows to create an air flow to purge the room
50. pressure value of 8 10 bar After 10 the safety device switch to the second stage The pump setting must be fixed to 24 bar by means of the adjusting screw see chapter LIGHT OIL PUMPS NOTE The nozzle oil rate at a pressure of 8 bar must be greather than the oil rate at the minimum output EV1 NC Regulator high flame EV2 NO Regulator low flame low flame 8 10 bar high flame 24 bar PUMP PRESSURE bar ee eee GPH kg h 060 204 216 228 2 9 2 50 260 270 279 288 297 306 314 322 3 30 3 38 346 353 360 110 3 4 96 418 438 458 476 494 512 529 545 561 576 591 606 620 634 647 661 135 459 486 5 13 5 8 562 585 607 628 649 669 688 707 725 743 761 778 794 811 250 849 901 9 50 9 96 10 40 10 83 11 24 11 63 12 01 12 38 12 74 13 09 13 43 13 76 14 09 14 40 14 71 15 02 Tab 2 Choice of the oil nozzle High low flame burners 16 UNIGAS M039134CD mod LO280 Air rate setting e Single stage burners 1 loosen VR screw 2 move the ID index along the graduated slot towards or in order to increase or decrease the air flow rate according to the required combu stion values 3 fasten the VR screw again e Double stage burners Adjusting the actuator cams Refer to the next table for cams functions Berger STA4 5 Siem
51. re that the unit rating is the same as delivery mains electricity gas oil or other fuel Observe caution with hot burner components These are usually near to the flame and the fuel pre heating system they become hot during the unit operation and will remain hot for some time after the burner has stopped When the decision is made to discontinue the use of the burner the user shall have qualified personnel carry out the following operations a Remove the power supply by disconnecting the power cord from the mains b Disconnect the fuel supply by means of the hand operated shut off valve and remove the control handwheels from their spindles Special warnings Make sure that the burner has on installation been firmly secured to the appliance so that the flame is generated inside the appliance firebox e Before the burner is started and thereafter at least once a year have qualified personnel perform the following operations a set the burner fuel flow rate depending on the heat input of the appliance b setthe flow rate of the combustion supporting air to obtain a combu stion efficiency level at least equal to the lower level required by the regulations in force check the unit operation for proper combustion to avoid any harmful or polluting unburnt gases in excess of the limits permitted by the regulations in force make sure that control and safety devices are operating properly e make sure that exhaust ducts
52. roller 1 Microcontroller 2 General unit data Mains voltage 230 V 10 15 96 AC 120 V 10 15 Mains frequency 50 60 Hz 6 External primary fuse Si 6 3A slow Power consumption 12 VA Mounting orientation optional Weight approx 200 g Degree of protection IP40 to be ensured through mounting Perm cable lengths max 3m at line capacitance of 100 pF m Detector cable laid separately 10m Remote reset laid separately 20m 14 24 44 Terminal 1 5A 5A 5A Terminals 3 and 8 Terminals 4 5 and 10 1A 1A 1A Terminals 6 1A 1A 2 Flame supervision with QRB QRC QRB QRC Min detector current required with flame 45 70 Min detector current permitted without flame 5 5 pA 5 5 pA Max possible with flame tipically 100 pA 100 pA Measurement circuit for detector current 11 12 LMO 11 12 1 LMO bl SW 7130v01 0700 bl sw br 7130v02 0700 uA DC uA DC b d QRB Key UA DC DC microamperometer with an internal resistance of 5 max bl Blue SW Black br Brown MCAS C B UNIGAS C I B UNIGAS S p A Via L Galvani 9 35011 Campodarsego PD ITALY Tel 39 049 9200944 Fax 39 049 9200945 9201 269 web site www cibunigas it e mail cibunigas cibunigas it Note Specifications and and data subject to change Errors and omissions excepted
53. stor and light it up bleed the air from the pressure gauge port See paragraph Light oil pumps the burner locks press the unlock pushbutton of the burner and repeat the steps above O O ON Fuel rate adjustment The fuel rate is setting choosing properly sized nozzles and adjusting the fuel pressure at the pump inlet see the diagram Fig 30 and Fig 31 To choose the nozzles refer to Tab 3 and Tab 4 for pump pressure regulation see on pag 21 For further information on fuel pump see also the appendix Note all pumps are set to 12 bar The nozzle rate must be higher than the rate referred to the minimum burner output Fig 30 Single stage burners Fig 31 Double stage burners EVG2 M EVG Key EVG2 Fuel solenoid valve 2nd stage only hi lo flame burners EV Fuel solenoid valve M Manometer EVG1 Fuel solenoid valve low flame P Pump Choosing the light oil nozzles Tab 3 LO400 Single stage PUMP PRESSURE bar 1798 250 2023 500 2247 20 89 22 89 24 72 22 79 24 97 26 97 2459 2705 2921 7 00 26 59 29 13 31 46 2849 3121 3371 8 30 31 53 34 54 37 30 3509 3953 42 70 18 UNIGAS M039134CD Tab 4 LO400 Double stage x 408 400 4 50 6 00 4 00 5 50 4 00 5 00 459 450 5 00 6 50 4 50 6 00 4 00 6 00 510 500 5 50 7 50 5 00 7 00 4 50 6 50 First start and air rate setting 9400 Single stage
54. t 2 and turn directly the body of the hydraulic ram 1 Turn clockwise to increase the air flow of the low flame stage turn counterclockwise to decrease the air flow e At the end of settings tight again the nut 2 b High flame setting To set the high flame proceed as follow e Close the contact of the second stage regulator and unloose the nut 3 turn the nut 4 Turning counterclockwise the high flame air flow is increased turning clockwise the air flow is decreased e At the end of settings tight again the nut 3 NOTICE during the step b regulations the step a settings remain unchanged 22 UNIGAS M039134CD LIMITATIONS OF USE THE BURNER IS AN APPLIANCE DESIGNED AND CONSTRUCTED TO OPERATE ONLY AFTER BEING CORRECTLY CON NECTED TO A HEAT GENERATOR E G BOILER HOT AIR GENERATOR FURNACE ETC ANY OTHER USE IS TO BE CONSI DERED IMPROPER AND THEREFORE DANGEROUS THE USER MUST GUARANTEE THE CORRECT FITTING OF THE APPLIANCE ENTRUSTING THE INSTALLATION OF IT TO QUALIFIED PERSONNEL AND HAVING THE FIRST COMMISSIONING OF IT CARRIED OUT BY A SERVICE CENTRE AUTHORI SED BY THE COMPANY MANUFACTURING THE BURNER A FUNDAMENTAL FACTOR IN THIS RESPECT IS THE ELECTRICAL CONNECTION TO THE GENERATOR S CONTROL AND SAFETY UNITS CONTROL THERMOSTAT SAFETY ETC WHICH GUARANTEES CORRECT AND SAFE FUNCTIONING OF THE BURNER THEREFORE ANY OPERATION OF THE APPLIANCE MUST BE PREVENTED WHICH DEPARTS FROM THE INSTALLATION
55. the event of a premature faulty flame signal during tw Operation resetting the burner control and for activating deactivating the Lock out reset button EK is the key operating element for pu diagnostic functions The multicolour LED is the key indicating element for both visual diagnosis and interface diagnosis S Red Yellow Green Colour code table Status Colour code Colour 9itpre heater heats tiiin Yellow waiting time tw ea Yellow off controlled Operation flame o k 000000000000 Green Operation flame not o k Green off Undervoltage 15151515151 Yellow red Fault alarm SSSSSSSSSSS Red Output of fault code refer to Fault code table smsmsmsmsm Red off Extraneous light prior to burner start up Interface diagnosis SSSSSSSSSSSSSS Red flicker light Key m Off 1 Yellow Green S Red Diagnosis of cause of fault After lock out the red fault signal lamp remains steady on In that condition the visual diagnosis of the cause of fault according to the error code table can be activated by pressing the lock out reset button for more than 3 seconds Error code table Blink code Possible cause 2 blinks No establishment of flame at the end of TSA e Faulty or soiled fuel valves e Faulty or soiled flame detector e Poor adjustment of burner no fuel Faulty ignition
56. to the stud bolts by means of the fixing nuts according to Fig 16 _ L A 5 After fitting the burner to the boiler ensure that the gap between the l blast tube and the refractory lining is sealed with appropriate insulating material ceramic fibre cord or refractory cement gt inm LH Burner Fixing nut Washer 8 t YY Sealing gasket Stud bolt Blast tube Fig 16 6 BWDP 10 UNIGAS M039134CD Electrical connections A ATTENTION PLEASE READ CAREFULLY THE WARNINGS CHAPTER AT THE BEGINNIG OF THIS MANUAL Identification of linking connectors HIGH LOW flame connector CONN TAB Fig 20 mod LO400 Fig 17 Burner power supply connector CONN LINEA Fig 19 Fig 18 IMPORTANT before operating the burner be sure all connectors are linked as indicated in the diagrams Make the electric connections following the diagrams below WARNING the burner is fitted with a bridge between terminals T6 and T8 on CN2 TAB connector external side link male connector remove this bridge before thermostat connection CN8 LINEA CN9 TAB LL CONN LINEA lini lala CONN TAB E fod T amp gt lt lt D z C1 LBF LB LAF C2 Y 37 230V Fig 19 Single stage burners Fig 20 High Low tlame burners Key LAF Burner in high flame signalling lamp high low flame and
57. tting of the pump pressure see pag 21 Note all pumps are set to 12 bar The nozzle rate must be higher than the rate referred to the minimum burner output Choosing oil nozzles Key Fig 28 EVG Light oil solenoid valve M X Manometer P Pump see chapter LIGHT OIL PUMPS Tab 1 Single stage burners x ses 7 a o u Ge z 795 oo oso 996 1040 1089 1124 1765 1907 2039 2162 2279 23 90 2497 2599 2697 15 UNIGAS M039134CD Oil rate adjustment High low flame burners Priming the pump Prior to start up the burner make sure that the return pipe to the tank is not obstructed Any obstruction would cause the pump seal to break Before carrying out the adjustment it is necessary to start up the fuel pump proceeding as follows 1 remove the burner cover 2 start the burner up by turning the main switch to 3 the thermostat ST contacts close 4 waitfor the solenoid valve to open 5 remove the photoresistor and light it up 6 bleed the air from the pressure gauge port see paragraph Light oil pumps If the burner locks press the unlock pushbutton of the burner and repeat the steps above The light oil flow rate is adjusted choosing a nozzle of proper dimensions and setting the inlet pump pressure To choose the nozzle refer to the table below Setting the light oil pump Adjust the ignition stage of the pump to a
58. ube 179 155 89 491 144 measure referred to burners fitted with extended blast tube As far as modifying the blast tube length for mod LO400 see paragraph How to modify the the blast tube length 976 6 0 SVOINN UNIGAS M039134CD Performance curves LO280 Single stage LO280 High Low flame 6 6 5 4 N O 100 150 200 250 300 350 0 BACK PRESSURE IN CCOMBUSTION CHAMBER mbar kW kW LO400 Single stage LO400 High Low flame O NW OQ N O NS AON O 150 200 250 300 350 400 450 100 150 200 250 300 350 400 450 kW kW BACK PRESSURE IN CCOMBUSTION CHAMBER mbar To get the input in kcal h multiply value in kW by 860 Data are referred to standard conditions atmospheric pressure at 1013mbar ambient temperature at 15 C NOTE The performance curve is a diagram that represents the burner performance in the type approval phase or in the laboratory tests but does not represent the regulation range of the machine On this diagram the maximum output point is usually reached by adj suting the combustion head to its MAX position see paragraph Adjusting the combustion head the minimum output point is rea ched setting the combustion head to its MIN position During the first ignition th
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