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G A S T E C

LB1292

01.10.2003

Multiflam 500.1 PR
Multiflam 600.1 PR

Heavy oil / Natural Gas 500 mbar 

MODEL

techniques for energy saving

GAS / HEAVY-OIL DUAL BURNERS

Summary of Contents for Multiflam 500.1 PR

Page 1: ...G A S T E C LB1292 01 10 2003 Multiflam 500 1 PR Multiflam 600 1 PR Heavy oil Natural Gas 500 mbar MODEL techniques for energy saving GAS HEAVY OIL DUAL BURNERS ...

Page 2: ...age 50 Hz V 230 400 230 400 Motor kW 11 15 Rpm N 2800 2800 Fuels Nat Gas LHV 35 9 Mj Nm3 8 570 kcal Nm3 Heavy oil 9 800 kcal kg max viscosity 50 E a 50 C mbar 1500 2000 2500 3000 3500 4000 4500 5000 5500 10 12 14 16 1000 18 20 22 2 4 kW 6000 0 2 4 6 8 500 MULTIFLAM 500 1 M U LTIFLA M 600 1 WORKING FIELDS Burner output Backpressure in combustion chamber E D D1 F G C B A I L M H 1068 600 SUNTEC SUNT...

Page 3: ... servocontrol is fully open a signal to the electronic control unit starts the 66 seconds pre purge cycle At the end of the prepurging time the air servocontrol gets to the Low Flame position so that burner ignition is ensured at min output Simultaneously the ignition transformer receives voltage and after 3 seconds pre ignition opens the pilot gas valve Fuel flows to the combustion head and ignit...

Page 4: ... Fan motor Air Switch Ignition transformer Gas valve Min max capacity enabling device Air damper Gas damper Flame detector Cut out pilot lamp Normal operating cycle Operating cycle in the event of ignition failureNormal operating cycle ADJUSTING THE PRESSURE REGULATOR The pressure regulator complete with its incorporated filter must be installed to avoid conta minants reaching the gas valve It is ...

Page 5: ...d pilot right on the device lights up The flame control device starts the burner fan to carry out prewashing of the combustion chamber checking fan air pressure via the air pressure switch After preventilation the ignition transformer starts operating generating a spark between the electrodes and simultaneously the gas valves open safety gas valve VS and first stage operating valve VL If the flame...

Page 6: ...e measured at pressure port E must be within the limits of the pressu re switch working range If not loose the locking nut of screw F and gradually turn the same clockwise to reduce the pressure counterclockwise to increase At the end tighten the locking nut 2 5 5 10 15 50 25 3 5 30 40 45 20 0 4 0 6 0 9 3 0 1 5 2 1 1 8 2 4 2 7 1 2 I L M N A B C D E F G H Gas pressure switch Air pressure switch Par...

Page 7: ...iate gas flow rates see figure detail 3 using a suitable Allen wrench change the position of the cam guide blade if you screw it down the flow rate is reduced if you unscrew it the flow rate increases The ionization current is checked by inserting a microammeter with an end of scale of 50 µA d c in series with the ionization probe A faulty position of the electrode can lead to a reduction in the i...

Page 8: ...normally always connected The pump starts to send oil the head has already been heated by its cartridge O and therefore has no residue of cold dense oil which flows from the tank to the head and then to the return line of the ring When the head thermostat reaches the set value usually about 70 30 C the cycle starts properly and the control programmer enables start up The servomotor sets itself at ...

Page 9: ...V 50Hz WARNING For a correct working of the pump verify what follows Pump SUNTEC TA C40105 Oil temperature at the pump Max 140 C Maximum allowable pressures Max 5 bar on inlet PUMP S PRESSURE OIL TEMPERATURE DIAGRAM Pump inlet pressure the vaporisation of light fraction of heated heavy oil causes premature pump wear to avoid this use the inlet pressures shown in the graph 1 2 3 4 5 0 6 50 100 150 ...

Page 10: ...water Drawing for heavy fuel oil up to 50 E at 50 C Hot water Return hot water pipe hot water pipe oil pipe oil pipe heating cable insulation section 1 Burner 2 Tank 3 Heater 4 Safety operation thermostat 5 Level switch 6 7 Filter 8 Load pumps 9 Holding basin 1 Burner 2 Tank 3 Heater 4 Safety operation thermostat 5 Level switch 6 Self cleaning filter 7 Heating coil 8 Load pumps 9 Ring pumps 10 Reg...

Page 11: ...aried by acting on the nozzle through the pressure in the return line Max oil supply is therefore reached when the pressure in the pump line is about 30 bar and the return line is fully closed min oil supply when the return line is fully open see also diagram BERGONZO Relevant pressure readings in the return line are as follows return oil pressure has to be measured on M pressure gauge max oil sup...

Page 12: ...r energy saving I H E G N A D F Q O P PRE PURGING PHASE LEGEND A Solenoid valve N C D Regulator E Tank F Anti gas valve G Resistance of the preheather H Pipe filter I Oil pump N Manometr O Resistance of combustion head P Oil temperature sensor Q Oil nozzle ...

Page 13: ... press key F the led Out 1 starts to flash if You need to modify minimum oil temperature press increase or decrease button after confirm the new value pressing again F if You need to modify an other temperature press again F untill You the relevant led flashes Please take care if key F is pressed for a too long time You enter in configuration level phase1 see CF1 on the display these parameters ar...

Page 14: ...wn out The control box is faulty THE BURNER RUNS THE PREPURGING AND SWITCHES TO LOCKOUT AT THE END OF CYCLE Check the fan and the air pressure Check the air pressure switch Control box faulty Ignition transformer faulty Check the ignition cable Electrodes are dirty or in wrong position Nozzles are clogged or worn Filters are clogged Light oil pressure is too low Combustion air s flow rate too high...

Page 15: ... AFTER FEW MOMENTS Check gas governor and gas filter Check gas pressure through a manometer Check ionization value min 70 µA THE BURNER DOES NOT SWITCHES TO HIGH FLAME Manual selector switch in wrong position Faulty control box High flame solenoid valve s coils faulty Air damper s jacket faulty or wrongly adjusted ...

Page 16: ...e principali Ecoflam S p A via Roma 64 31023 RESANA TV Italy tel 0423 715345 r a telefax 0423 715444 Italy 480009 Export 480873 715538 http www ecoflam it e mail ecoflam ecoflam it ECOFLAM S p A reserves the right to make any adjustments without prior notice which it considers necessary or useful to its products without affecting their main features ...

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