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51

GB

Initial gas quantity adjustment (slow start-up)

If burner start-up is too fast, you can intervene with slow start-up adjustment.

Unscrew screw H and turn knob M (fig. 2-3).

Lock screw H.

Further adjustments (VCV L valve)

7)

4

Adjusting the opening brake

Further optimisation of slow start-up can be ob-

tained by regulating

the opening brake, turning adjustment screw

L 1/4” around toward the marking “-” (fig.4).

M

H

L

Summary of Contents for LMB G 1300

Page 1: ...UNI EN ISO 9001 CERTIFIED COMPANY LMB G 1300 LMB G 2000 Two stage progressive modulating mode gas burner Installation use and maintenance manual GB ...

Page 2: ...on in force and the indications given in the instruction manual supplied with the appliance IMPORTANT burner installation must scrupulously follow the Standards in force use and purchase stan dard components or on request from authorized sales and after sales centres The non fulfilment of the same and the failure to comply with that stated exonerates the manufacturer from any liability CONFORMITY ...

Page 3: ...ed the parts that may become a potential source of danger must be made harmless The transformation from one family of gas natural gas or liquid gas to another family of gas must only be perfor med by qualified staff Before commissioning the burner have qualified staff check a that the plate data are those requested by the gas electricity mains supplies b that burner calibration is compatible with ...

Page 4: ...d and controlled by qualified staff Never exchange the neutral and phase cables The burner can be connected to the mains electricity with a plug socket connection only if this is equipped in a way that the coupling configuration prevents the inversion of phase and neutral Install an omnipolar switch with opening between contacts of at least 3mm upstream from the appliance as requested by the exist...

Page 5: ...xture at the combustion head with reduced flow rate start up The conformation of the carburisation head allows the use of all natural mixed and liquid gases consult the technical after sales staff for specific information the gas air mixture allows to obtain combustion with low excess air for high combustion yields and low emissions of CO and NOx for protection of the environment They are suitable...

Page 6: ...se dbA 85 86 Weight of the burner body without ramp Kg 45 48 U M 0 00 1 00 2 00 3 00 4 00 5 00 6 00 7 00 8 00 mbar 0 200 400 600 800 1000 1200 1400 1600 2000 2200 kW It is possible the 60 Hz power supply only with suitable electric motor WORK CURVES Reference parameters for choosing blown air gas burners Blown air gas burners can be installed on both pressurised and vacuum boilers It is essential ...

Page 7: ...mperature of 15 0 at an atmospheric pressure of 1013 5 mbar at 0 metres above sea level and with the adjustments recommended in this instruction If the operating point falls within the shaded area you must insert the gas diaphragm and lock the right air damper SEE ADJUSTMENTS PARAGRAPH Optimal operating range If the operating point falls within the shaded area you must insert the gas diaphragm SEE...

Page 8: ... valve 7 Air servo motor 8 Control unit 9 Contactor motor relay 10 Flow nozzle 11 Burner flange 12 Sampling point air 13 Ring regulation 14 Air pressure switch 15 Flange insulation 16 Combustion head 17 Air vent 18 Ionisation electrode 19 Ignition electrode 20 Ignition transformer 21 Minimun gas pres sure swtch 22 Valve proving system pressure switch P Hinge pins M ...

Page 9: ... Vite G 1300 580 620 232 440 334 294 M12 G 2000 580 620 244 440 334 294 M12 G 1300 VCV L240 mm VCV L350 mm VGD20 mm C 950 990 1070 hV 340 375 470 G 1 1 2 2 2 U M G 2000 VGD 20 403 mm VGD 20 503 mm VGD 40 065 mm C 1070 1070 1050 hV 470 470 480 G 2 2 dn65 ...

Page 10: ...mber of combustion signal possible Air signal withdrawal pipe polyethylene Minimum gas pressu re pressure switch 1 Note installation of the combustion chamber compensation tube is recommended in order to optimise opera tion of the valve Valve proving system pressure switch ...

Page 11: ... is recommended in order to optimise opera tion of the valve Air signal withdrawal pipe polyethylene Gas signal withdrawal pipe rigid Minimum gas pressu re pressure switch VGD 40 valve body pF chamber of combustion signal possible Air signal withdrawal pipe polyethylene Gas signal withdrawal pipe rigid Valve proving system pressure switch Valve proving system pressure switch Minimum gas pressu re ...

Page 12: ...gas ramp necessary to obtain a determined flow rate in m3 h The pressures are measured with the burner functioning and are intended with combustion chamber at 0 mbar If the chamber is pressurised the gas pressure necessary will be that of the diagram plus the value of that of the chamber M Pe Pressure upstream from the valves unit Pt Pressure at the combustion head Pv Pressure downstream of the ra...

Page 13: ...us points of the gas ramp necessary to obtain a determined flow rate in m3 h The pressures are measured with the burner functioning and are intended with combustion chamber at 0 mbar If the chamber is pressurised the gas pressure necessary will be that of the diagram plus the value of that of the chamber M ATTENTION the Pt Pv gas pressure outlets have a screw closing pin Ensure that the Pt Pv gas ...

Page 14: ... see CONNECTION LAYOUT Incorrect connection can damage the appliance and the place of use Falls and mechanical stress can damage some safety functions In this case do not install the appliance even if there is no visible damage RECOMMENDATIONS FOR INSTALLATION Installation must be carried out by specialised staff The Standards in force must be respected The place of installation must be without du...

Page 15: ...er and positioning of the fastening screws refer to the diagram Insulating gasket L Useful entrance lenght flow nozzle M The system must be complete with the accessories prescribed by the Standards do not exert mechanical stress on the components Also keep the spaces requested for maintenance of the burner and boiler in mind On request it is possible to order the ACCESSORIES UNIT KIT composed of t...

Page 16: ...awal polyethylene pipe T to the connection pL on the VCV valve and on the quick coupling S of the burner fig B VCV L slow opening To fix the valves unit fig A to the burner use the 4 washers a and the 4 M12 x 20 screws supplied with the valves unit paying attention that the cork rubber gasket c is positioned correctly and there are no gas leaks in the coupling Gas pipe Make sure that the ne edle t...

Page 17: ...ctly and there are no gas leaks in the coupling M12 x 20 screws Connect the supplied air withdrawal polyethylene pipe T to the connection R1 on the SKP75 valve and on the quick coupling S of the burner fig B S Fig B Make sure that the ne edle tapping point Pt is closed Pt Gas pipe DUNGS Made in Germany c Fig A T a pG R2 R1 H R1 The valves unit can also be positioned on the left of the burner Fig A...

Page 18: ... unit paying attention that the cork rubber gasket c is positioned correctly and there are no gas leaks in the coupling Fig A Connect the supplied air withdrawal polyethylene pipe T to the connection R1 on the SKP75 valve and on the quick coupling S of the burner fig B Make sure that the ne edle tapping point Pt is closed The valves unit can also be positioned on the left of the burner ...

Page 19: ...pliance NEUTRAL INSULATED NEUTRAL in the case of mains power supply with INSULATED NEUTRAL it is necessary to use an insulation transformer Connect a terminal of the insulation transformer secondary to the appliance EARTH and NEUTRAL Now connect the other terminal of the transformer secondary to the appliance LINE PHASE PHASE in the case of PHASE PHASE mains power supply it is necessary to use an ...

Page 20: ...rrone L 300 Bianco L 300 Nero 1x1 5 L 100 Nero 1x1 5 L 100 Grigio L 200 Blu Nero 1 2 L1 L2 L3 L N LB PS N CE RT CO M 4 G V PA PG 3 VE 1 2 3 4 1 2 3 4 MS TC Tmf KEY L Line N Neutral L1 Three phase line L2 Three phase line L3 Three phase line M Burner motor RT Circuit breaker switch TR Ignition transformer MS Servo motor PG Gas pressure switch PA Air pressure switch CE Control unit CO Motor contacto...

Page 21: ...it timing for release 0 2s 4s Continuous key pressing timing for temporary shutdown 5s Manual mode functioning timeout 4 minutes Timeout communication with display 60s Maximum duration of access to menus 120s Minimun timing guaranteed Maximun timing guaranteed Time not set up in starter Swicth air signal attended entire time of opening time Special functions Network frequency self learning The boa...

Page 22: ...lf of the gas inlet pressure The SEALING CONTROL function is carried out with the following sequence heat request first stage valve opening for 2s and relative closure checking sealing of the safety valve for a time of 10s safety valve opening for 2 s and relative closure checking of the burner side valve sealing for a time of 10s end sealing control With positive result the appliance proceeds wit...

Page 23: ... safety time the appliance is blocked and the voltage is definitively re moved to the first stage solenoid valve and the ignition transformer Post ventilation is performed with the damper totally open at the end of which the air damper is closed completely Functioning principle According to the device to which the air damper activation servo control is interlocked there are two types of bur ner wo...

Page 24: ...tion suitable for the scale of the same pro be corresponding to start up flow rate with gas flow always closed c Formation sequence of the start up flame the coils relative to the gas solenoid valves are excited and the gas regulator is partially open in relation to the start up air pressure d Passage sequence to the main flame or second stage the servo control activates the opening of the air up ...

Page 25: ...ator management delay tv1 a First stage valve opening time tvs c Safety valve sealing check time tvs a Safety valve opening time tv1 c Work valve sealing check time Two stage progressive functioning diagram With Tmf thermostat with high low flame CS MT PA TR VS VL FL EC na nc Tmf MAX MIN 0 SA OFF OFF ВЫКЛ tv1 a tvS a tvS c tv1 c tpv tpracc ts treg tpost nc na ACCENSIONE IGNITION APRINDERE ЗАЖИГАНИ...

Page 26: ...ith continuous modulation CS Functioning request consents FAN Fan motorI GN Ignition transformer VS Safety valve V1 First stage valve V2 Second stage valve FL Flame signal AL Block signalSA Air damper tpv Pre ventilation time tpracc Pre ignition timets Safety time treg Functioning regulator management delay tv1 a First stage valve opening time tvs c Safety valve sealing check time tvs a Safety val...

Page 27: ...d confi guration menus of the system and release the appliance The control and command panel is composed of an LCD with back lit display area and 4 function keys Key functions USER INTERFACE Icon meaning KEY DISPLAY MEANING R NORMAL Release appliance if in block conditions MENU Go back to previous level menu MODIFY PARAMETER Exit the display mode without memorising NORMAL Not used MENU Successive ...

Page 28: ...go back to the normal display MODIFY PARAMETER The values of the parameters linked to burner functioning can be modified and memorised During the display of the parameter of interest it is possible to access the value modification by pressing key i In this phase the current parameter value starts to flash and by pressing the and keys it is possible to mo dify the value Press key i to save the modi...

Page 29: ...plied that is linked to the functioning status of the burner and the setting of some parameters In fact in the case of enabling the valves sealing control procedure from the parameters menu valve proving system any execution is signalled NON VOLATILE VOLATILE Anomaly code Flashing back light Flashing code and anomaly icon Anomaly code Flashing CODICE ANOMALIA SIGNIFICATO NON VOLATILE 01 No ignitio...

Page 30: ...splay and consequent management of the menus stated previously during the normal display phase it is necessary to follow the procedure given a PROLONGED PRESSING OF KEY i By prolonged pressing for 5 seconds of key i the following display is accessed b PROLONGED PRESSING OF KEY R During phase a maximum duration 10s and by pressing key R for 5 seconds access the following di splays Flashing Flashing...

Page 31: ... is confirmed by the following display The enabling on display and management of the menus has duration of 120s after which the return to normal display mode takes place To access the menus again repeat the procedure just described If the burner is two stage the INFO MENU is organised as per table 2 If the burner is modulating the INFO MENU is organised as per table 2b INFO MENU ...

Page 32: ...y i during the following di splay HRS Stage burner HRS MENU REPRESENTATION INFORMATION MENU INFO TIMER Burner total functioning hours Timer reset Burner functioning cycles CYCLES COUNTER Burner no ignition cycles Cycle counter reset FUEL CONSUMPTION Flame signal intensity Air damper servo motor current position FLAME SIGNALS Air damper servo motor total opening cycles AIR DAMPER SERVO MOTOR Servo ...

Page 33: ...pectively in first and second stage total functioning cycles of the burner are equal to the first stage cycles In the case of modulating burner only the total functioning cycles of the burner are displayed Also displayed are the total no burner ignition cycles To reset all counters relative to burner cycles press the key i during the following display CYC Stage burner CYC Total functioning cycles ...

Page 34: ...The current position of the air damper servo motor is displayed closure total first stage total opening or second stage TWO STAGE BURNER Flame signal in micro A uA Flame signal in micro A uA If servo motor anomaly present MODULATING BURNER If modulating burner is selected the percentage opening of the damper with respect to the minimum position is also indicated If servo motor anomaly present ...

Page 35: ...press the key i during the following display flashing By doing this access the reset request confirmation display with duration of 5s CYC Pressing the key again determines the reset of the servo motor cycle meter and the return to the servo motor opening cycles display Firmware ID The firmware version is displayed Firmware version ...

Page 36: ...r functioning hours Position 2 8 Anomalies log per functioning hours Position 3 8 Anomalies log per functioning hours Position 4 8 Anomalies log per functioning hours Position 5 8 Anomalies log per functioning hours Position 6 8 Anomalies log per functioning hours Position 7 8 Anomalies log per functioning hours Position 8 8 Anomalies log per functioning cycles Position 1 8 ANOMALIES LOG DISPLAY B...

Page 37: ...nomalies anomaly code and type and of the respective burner functioning cycles The most recent anomaly is memorised in position 1 until reaching the least recent in position 8 An example is given below In position 1 parasite flame signal presence after 1000 burner functioning cycles CYC Anomaly position Type of anomaly volatile or non volatile Anomaly code CYC ANOMALIES LOG RESET To reset the anom...

Page 38: ...ter displayed flashes In MODIFY PARAMETER VALUE mode use the and keys to modify the value Press key i to memorise the current value displayed To exit this mode without memorising the value press key R or wait 10s without pressing the keys FLAME SENSOR TYPE parameter not managed SEALING CONTROL It is possible to enable or disable the sealing control procedure of the gas ramp safety valves MENU RAPP...

Page 39: ...stage solenoid valve activation or minimum modulation in the burner ignition phase Post ventilation time in sec Parameter value da 0 a 30 This advance can be set from 0 to 30 of the first stage air flow rate or minimum modulation More precisely at the end of the pre ventilation phase the air damper run is not stopped in the first stage position or minimum modulation but in the positionthat is slig...

Page 40: ...10s without pressing the keys Parameter value da 0 a 30 Serv menu installer If the burner is two stage the SERV MENU is organised as per table 5 If the burner is modulating the SERV MENU is organised as per table 5b Two stage burner Modulating burner displayed flashes In MODIFY PARAMETER VALUE mode use the and keys to modify the value Press key i to memorise the current value displayed To exit thi...

Page 41: ...determined via the cams with reference to the scale on the relevant disc The cams are manoeuvred by means of the supplied spanner they are clutched and self locked The air damper servo motor must be of the type indicated below Servo motor in the figure in total closure sta tus CAM 1 yellow Not used CAM 2 yellow Closure position regulation value 0 CAM 3 red Maximum flame regulation burner maximum f...

Page 42: ...lve insert the gas reduction diaphragm DG provided with the burner Shaded area Work area with gas reduction diaphragm Work area without gas reduc tion diaphragm Assembly of the gas reduction diaphragm G 1300 To insert the gas reduction diaphragm disassemble the combustion head as indicated in the MAINTENANCE chapter section Burner opening and access to the combustion head 1 Remove the rubber gaske...

Page 43: ...ovided with the burner Shaded area Work area with gas reduction diaphragm Work area without gas reduc tion diaphragm Assembly of the gas reduction diaphragm only natural gas G 2000 To insert the gas reduction diaphragm disassemble the combustion head as indicated in the MAINTENANCE chapter section Burner opening and access to the combustion head 1 Remove the rubber gasket G Fig 5 2 Insert the DG r...

Page 44: ... indicated min 1 2 3 max for the air adjustment ring which corresponds with the marks on rod T Fig 7 Diagram B Ex If the burner should operate at 1100kW with a counter pressure of 4 mbar the air ring must be positioned in corre spondence with mark 2 on rod T Fig 7 In the event that the bur ner must operate in the shaded sector of the work range therefore with a gas reduction in serted reference mu...

Page 45: ...ing to diagram A Based on the working point of the burner supplied power pressure in combustion chamber a position is indicated min 1 2 3 max for the air adjustment ring which corresponds with the marks on rod T Fig 7 Ex If the burner should operate at 1500kW with a counter pressure of 5 mbar the air ring must be positioned in correspondence with mark 3 on rod T Fig 7 Gas reduction combustion head...

Page 46: ...ter in correspondence with the desired value reading plate T Tighten the knob after adjustment has been completed P Combustion head shutter placement G1300 G2000 Detail of shutter adjustment Max 3 2 1 Min Knob P Positions corresponding to the curves in diagram A plate T Scroll Fig 7 T ...

Page 47: ...in bring the connection rod A to the securing point F on the semi Archimedean screw bring the pin B to the connection rod A on the securing point F re insert the seeger ring in the pin housing B View of the blocked right damper F Right air flap blocking G 1300 Right damper pin Left damper pin Pin B Connection rod A Securing point F screw ...

Page 48: ... the terminal block so that you can use it to get the high and low flame burner levels You must be able to have a high or low flame available during adjustment Tmf Connect the instrument for combustion analysis the pressure gauge for gas pressure to the combustion head and the low high flame switch Connection diagram for temporary high low switch to be used during adjustment remove after adjustmen...

Page 49: ... Start up the burner If the burner does not start up turn the N slightly in position and repeat start up The burner starts Low flame SKP gas valve start up B low flame adjustment A high flame adjustment Start up the burner If the burner does not start up turn the B slightly in position and repeat start up The burner starts B A ...

Page 50: ...eck gas flow If flow is lower than desired open the air shutter See Combustion head shutter placement If the flow is higher than desired close the air shutter When gas flow is correct use the Tmf switch to bring the air actuator to minimum position Check combustion and turn screws N VCV or B SKP as necessary When performing minimum adjustment re check high flame combustion using the described proc...

Page 51: ...with slow start up adjustment Unscrew screw H and turn knob M fig 2 3 Lock screw H Further adjustments VCV L valve 7 4 Adjusting the opening brake Further optimisation of slow start up can be ob tained by regulating the opening brake turning adjustment screw L 1 4 around toward the marking fig 4 M H L ...

Page 52: ...ò essere conveniente montare il diframma gas in qualsiasi caso all interno dell intero campo di lavoro del bruciatore Occorre fare riferimento alle curve di pressio ne portata sotto indicate 0 5 10 15 20 25 30 35 40 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 mbar kW 1 4 55 3 2 1 2 3 4 0 5 10 15 20 25 30 40 60 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 ...

Page 53: ...2 0 3 0 40 GW50A5 type Range of calibration 5 50 mbar Remove the transparent lid and act on the regulation disc A A ASSEMBLY Remove the cap from the box in the da shboard and insert the cable connecting the pressure switch supplied Connect the 2 pole male cable connector 2 pin female CT see diagram are pre sented in the dashboard wiring burner B Insert the cable clamp supplied with the box dashboa...

Page 54: ...he air pressure value at the burner when this is at nominal flow rate with 1st flame functioning verifying that the value of CO does not exceed the value of 10 000 p p m GW 150 A5 type Range of calibration 5 150 mbar Electric circuit function with pressure rising 1 NC open 2 NO close with pressure dropping 1 NC close 2 NO open Remove the transparent lid and act on the regulation disc A p COM NO NC...

Page 55: ...control these must not touch the deflector or other metal parts for any reason as they would loose their function compromising burner functioning It is good practice to check the correct position after every intervention on the head To position in correspondence of the hole of exit gas NATURAL GAS To position in correspondence of the hole of exit gas ...

Page 56: ...art up cycle If this anomaly persists the board will carry out a block shutdown burner control anomaly SOLENOID VALVESIf there is no monitor signal at least 3 attempts are made to perform the start up cycle If this anomaly persists the board will carry out a block shutdown burner control anomaly If there is an incorrect monitor signal the board performs an immediate block shutdown burner control a...

Page 57: ...n electrode making use of the ionisation phenomenon c Carry out a functioning cycle and when burner ignition has been checked close the gas supply in order to obtain flame switch off check the repetition of a cycle and consequent block shutdown caused by no ignition at the end of the safety time d Carry out a functioning cycle and when burner ignition has been verified open the contact relative to...

Page 58: ...t in normal working position the appliance repeats the start up cycle max 3 cycle repetitions the fourth consecutive time the flame goes out in normal working position causes a block shutdown Every 510 seconds an additional flame is allowed to go out always up to a maximum of 4 consecutive Start up prevented in presence of parasite flame If the system detects the presence of a parasite flame signa...

Page 59: ...cover A Remove the clamp covers A ATTENTION these parts may be live during functioning 1 1 A M It is now possible to access the screws 2 that block the electric control board lid B Loosen the screws 2 and lift the lid B paying attention to the lid blocking hooks positioned don the rear of the electric control board 2 2 B Hooks ...

Page 60: ...60 GB Air vent air flap maintenance To access the air flap and the air closure system loosen the screw 3 that blocks the air vent lid C ATTENTION these parts may be moving during functioning 3 C ...

Page 61: ...ity and the position of the valves unit RH pin in the example At this point it is possible open the burner by turning the pin remaining in the seat ATTENTION manoeuvre to perform with burner off and without electric power supply 4 4 Left pin LH Right pin RH Opening due to rotation on the LH pin When the burner is open loosen the gas tapping point fitting Pt and extract it from the seat The combust...

Page 62: ...rol that the gas sealing gasket highlighted in the figure is well positioned M GAS CONVERSION To transform from the operation of a gas burner to another replace the burner head with special KIT COMBU STION HEAD It should proceed in the dismantling of the combustion head as in MAINTENANCE Then proce ed with the installation kit ...

Page 63: ...re blocks The gas valves do not open Check valves functioning There is no discharge between the points of the electrodes Check ignition transformer fun ctioning and the positioning of the electrode points No air pressure switch consent Check calibration and functioning of the air pressure switch The burner starts the flame forms and it therefore blocks No or insufficient flame detection by the con...

Page 64: ...ifications it deems appropriate for improvement of the pro duct without forewarning Cod Z397006000 Rev 01 03 2019 Made in Italy LAMBORGHINI CALORECLIMA Via Ritonda 78 a 37047 San Bonifacio Verona Italia Tel 39 045 6139411 The unit and its accessories must be appropriately disposed of in com pliance with current regulations ...

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