Unigas IDEA Series Installation, Use And Maintenance Instruction Manual
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Unigas IDEA Series Installation, Use And Maintenance Instruction Manual

Light oil burners
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LO280 - LO400
IDEA Series
Light oil Burners
MANUAL OF INSTALLATION - USE - MAINTENANCE
BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ
M039134CD Rel. 3.0
03/2010

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  • Page 1 LO280 - LO400 IDEA Series Light oil Burners MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039134CD Rel. 3.0 03/2010...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS WARNINGS ................................3 PART I: INSTALLATION ............................5 Burner model identification ................................5 Technical Specifications ................................. 5 Overall dimensions ..................................6 Performance curves ..................................7 How to modify blast tube length ..............................8 MOUNTING AND CONNECTIONS .............................. 10 Packing ......................................

  • Page 3: Warnings

    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.
  • Page 4 DIRECTIVES AND STANDARDS 3b) FIRING WITH GAS, LIGHT OIL OR OTHER FUELS Gas burners GENERAL European directives: The burner shall be installed by qualified personnel and in com- - Directive 90/396/CEE - Gas Appliances; pliance with regulations and provisions in force; wrong installation Directive 2006/95/EC on low voltage;...

  • Page 5: Part I: Installation

    C.I.B. UNIGAS - M039134CD PART I: INSTALLATION Burner model identification Burners are identified by burner type and model. Burner model identification is described as follow. Type LO400 Model LO550 (1) BURNER TYPE G - Light oil A - Biodiesel (2) FUEL...

  • Page 6: Overall Dimensions

    Overall dimensions (mm) O max. O min. Boiler recommended drilling template and burner flange A(S*) A(L*) B(S*) B(L*) Omin Omax LO280 LO400 *S = measure referred to burners fitted with standard blast tube *L = measure referred to burners fitted with extended blast tube As far as modifying the blast tube length for mod.

  • Page 7: Performance Curves

    C.I.B. UNIGAS - M039134CD Performance curves LO280 Single stage LO280 High-Low flame LO400 Single stage LO400 High-Low flame 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.

  • Page 8: How To Modify Blast Tube Length

    C.I.B. UNIGAS - M039134CD How to modify blast tube length (mod. LO400) To modify blast tube length please read the following instructions. Remove combustion head (See “Removing the combustion head” - Part III of this user’s manual). Remove the flanged piece T by removing the 4 socket head screws VTF (Fig. 4).
  • Page 9 C.I.B. UNIGAS - M039134CD Assemble again the combustion head (See “Removing the combustion head” - Part III of this user’s manual). Fig. 10 Fig. 11 Fig. 12 Fig. 15 Fig. 14 Fig. 13...

  • Page 10: Mounting And Connections

    C.I.B. 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 .

  • Page 11: Electrical Connections

    C.I.B. UNIGAS - M039134CD Electrical connections 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.

  • Page 12: Installation Diagram Of Light Oil Pipes

    C.I.B. UNIGAS - M039134CD Installation diagram of light oil pipes PLEASE READ CAREFULLY THE “WARNINGS” CHAPTER AT THE BEGINNING OF THIS MANUAL. From tank To tank 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.

  • Page 13: Pipeline Size

    C.I.B. UNIGAS - M039134CD Pipeline size As far as the pipes installation, refer to the following values, considering as well, the plant’s needs. Syphon twin pipe feed Twin pipe suction feed Fig. 22 Fig. 23 SUNTEC AL65 - AS47 - AT2 45...

  • Page 14: Connecting The Light Oil Flexible Hoses

    C.I.B. UNIGAS - M039134CD Connecting the light oil flexible hoses To connect the flexible hoses to the pump, proceed as follows. Remove burner’s cover. Remove the light oil pump delivery and return line plugs A and B. mod. LO280 mod. LO400 Fig.

  • Page 15: Settings

    C.I.B. 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.

  • Page 16: Oil Rate Adjustment - High-Low Flame Burners

    C.I.B. 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.
  • Page 17 C.I.B. UNIGAS - M039134CD mod. LO280 Air rate setting Single stage burners loosen VR screw. 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.
  • Page 18 C.I.B. 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;...
  • Page 19 C.I.B. UNIGAS - M039134CD Tab. 4 LO400 -Double-stage RATE OUTPUT PUMP PRESSURE kcal/h 10bar 12bar 14bar kg/h 306.300 3.50+4.50 3.00+4.00 3.00+3.50 357.350 4.00+5.00 3.50+5.00 3.50+4.00 408.400 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 (MOD. LO400) Single stage burners Set the air rate working on the screw VBS (Fig.
  • Page 20 C.I.B. UNIGAS - M039134CD Adjusting the actuator cams Refer to the next table for cams functions. Berger STA4.5 Siemens SQN72 AUTO/MAN BERGER STA Siemens SQN72 I (red) ”Air adjustment in high flame” cam II (blue) Air adjustment in low flame - Stand-by - Ignition cam...

  • Page 21: Pumps F

    C.I.B. UNIGAS - M039134CD Pumps for mod. LO400 Pump Suntec AL65 Viscosity range 2 ÷ 12 (cSt) mm Oil temperature 0 ÷ 60 °C Inlet pressure 2 bar Minimum inlet pressure - 0,45 barto avoid gasing Maximum return pressure 2 bar...

  • Page 22: Adjustments For Burners With Hydraulic Ram

    C.I.B. 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.

  • Page 23: Part Ii: Operation

    C.I.B. UNIGAS - M039134CD PART II: OPERATION 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.

  • Page 24: Operation

    C.I.B. 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.

  • Page 25: Part Iii: Maintenance

    C.I.B. UNIGAS - M039134CD PART III: MAINTENANCE 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.

  • Page 26: Removing Burner Components Plate

    C.I.B. UNIGAS - M039134CD Fig. 40 Fig. 39 Fig. 42 Fig. 41 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).

  • Page 27: Assembling Burner Components Plate

    C.I.B. UNIGAS - M039134CD Fig. 45 Fig. 44 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).

  • Page 28: Removing The Electrodes

    C.I.B. UNIGAS - M039134CD Removing the electrodes Remove the combustion head (see “Removing the combustion head” on page 25). Withdraw the screw VE and remove the electrodes from the support (Fig. 47 - Fig. 48). Fig. 47 - Double-stage burner Fig.

  • Page 29: Removing The Nozzles

    C.I.B. UNIGAS - M039134CD Removing the nozzles LO400 Unscrew the Allen screw VT and remove the combustion head TC (as shown on Fig. 51-Fig. 52). Unscrew the nozzles using two wrenches (16 and 24 mm), as shown in Fig. 53.

  • Page 30: Correct Position Of Electrodes And Combustion Head

    C.I.B. 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) 8 ÷ 10 mm 4,5 ÷...

  • Page 31: Troubleshooting

    C.I.B. UNIGAS - M039134CD TROUBLESHOOTING MAINS SWITCH OPEN FUSES INTERVENTION MAXIMUM PRESSURE SWITCH FAULT INTERVENTION OF THE FAN MOTOR THERMAL CUTOUT AUXILIARIES RELAY FUSES INTERVEN- TION FLAME CONTROL BOX FAULT SERVOCONTROL FAULT SMOKY FLAME IGNITION TRANSFORMER FAULT IGNITION ELECTRODE DIRTY OR BAD...

  • Page 32: Burner Exploded View

    LO280 - BURNER EXPLODED VIEW POS. DESCRIPTION MOTOR SUPPORT PLATE FLANGED PIPE BURNER HOUSING GENERATOR GASKET COVER MOTOR FAN WHEEL STANDARD BLAST TUBE PUMP LONG IGNITION ELECTRODE NOZZLE COMBUSTION HEAD NOZZLE HOLDER FLANGE IGNITION CABLE AIR DAMPER ASSEMBLY INDEX 11.1 BRACKET 11.2 CONTROL BOX...

  • Page 34: Spare Parts

    C.I.B. UNIGAS - M039134CD SPARE PARTS DESCRIPTION CODE LO280 Double LO280 Single LO280 Double LO400 Double stage with hydrau- LO400 Single stage stage stage stage lic ram COVER 1011803 1011803 1011803 1011803 1011803 LOA24 CONTROL BOX 2020445 2020445 2020445 2020445...

  • Page 35: Wiring Diagrams

    C.I.B. 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 LOW FLAME TIME METER HIGH FLAME TIME METER LIGHT OIL ELECTRO-VALVE...

  • Page 43: Appendix

    APPENDIX SIEMENS OIL BURNERS AUTOMATIC CONTROLLER LOA24 Pre-purge time Pre-ignition time Safety time LOA... safety devices are intended for use solely with QRB... photoresi- stors, for lighting and controlling low capacity forced air light oil burners Post-ignition time with max. capacity 30 kg/h in accordance with standard DIN 4787. Interval between the flame lighting and energising of solenoid The One or two flamess are lit through electrical connections with or 2a at terminal 5...
  • Page 44 Emplacement Commands in the event of operational interference Mass (weight) controller 180g, socket 50g, Stray light/premature ignition AGK accessories 12 g. 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...
  • Page 45 The multicolour «LED» is the key indicating element for both visual diagnosis and interface diagnosis. μC control μC1 μC2 Yellow Green Colour code table Status Colour code Colour Oil pre-heater heats, Yellow lllllllllll waiting time «tw» Ignition phase, ignition lmlmlmlmlml Yellow-off controlled Operation, flame o.k.
  • Page 46 LMO24 - LMO44 General unit data Mains voltage AC 230 V +10 % / -15 % A ´ 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...
  • Page 48 C.I.B. UNIGAS S.p.A. Via L.Galvani, 9 - 35011 Campodarsego (PD) - ITALY Tel. +39 049 9200944 - Fax +39 049 9200945/9201269 web site: www.cibunigas.it - e-mail: cibunigas@cibunigas.it Note: Specifications and and data subject to change. Errors and omissions excepted.

This manual is also suitable for:

Lo280 g seriesLo400 g series

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