CIB UNIGAS N1060A Installation Manual
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CIB UNIGAS N1060A Installation Manual

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N1060A
Gas burners
MANUAL OF INSTALLATION - USE - MAINTENANCE
BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ
M039616CA Rel. 0.0 09/2023

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Summary of Contents for CIB UNIGAS N1060A

  • Page 1 N1060A Gas burners MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039616CA Rel. 0.0 09/2023...

  • Page 2: Risk Analysis

    DANGERS, WARNINGS AND NOTES OF CAUTION - Faults in the fuel supply system; - Use of the burner even after an error and/or fault has occurred; - Repairs and/or overhauls incorrectly carried out; This manual is supplied as an integral and essential part of - Modification of the combustion chamber with inserts that prevent the the product and must be delivered to the user.
  • Page 3 GENERAL INSTRUCTIONS DEPENDING ON FUEL USED those parts likely to constitute sources of danger shall be made harm- less. ELECTRICAL CONNECTION In case the equipment is to be sold or transferred to another user, or in  For safety reasons the unit must be efficiently earthed and installed as ...

  • Page 4: Symbols Used

    BURER DATA PLATE .Do not touch any mechanical moving parts with your hands Consump or any other part of your body. Injury hazard Do not touch any parts containing fuel (i.e. tank and pipes). Type For the following information, please refer to Scalding hazard Model the data plate:...

  • Page 5: General Features

    PART I: SPECIFICATIONS PART I: SPECIFICATIONS GENERAL FEATURES This series represents monobloc gas burners made in die-cast aluminium housing, that can burn either gas or light oil, thanks to the adjustable combustion head which allows a good performance with both fuels.They can be provided in progressive or fully-modulating version.

  • Page 6: Burner Type

    Burner model identification Burners are identified by burner type and model. Burner model identification is described as follows. N1060A MD. SR. Type Model N1060A - N1300A BURNER TYPE FUEL M - Natural gas B - Biogas L - LPG C - Town gas...

  • Page 7: Performance Curves

    PART I: SPECIFICATIONS Performance Curves N1300A ...1.xx N1060A ..1.xx 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 PART I: SPECIFICATIONS Gas pressure burner head vs natural gas flow rate Curves are referred to pressure = 0 mbar in the combustion chamber! N1060A M-.. N1300A M-.. Gas rate Stm Gas rate Stm...
  • Page 9 Overall dimensions (mm) Boiler recommended dril- ling template Burner flange *DN = gas valves size B*: SPECIAL blast tube lengths must be agreed with Cib Unigas TIPO (AS) 2039 1219 1092 N1300A 1908 390 1366 2055 1235 2169 1349 754 1192 478...
  • Page 10 PART I: SPECIFICATIONS GAS TRAIN CONNECTION ATTENTION: Before executing the connections to the gas pipe network, be sure that the manual cutoff valves are closed. The following diagrams show some examples of possible gas trains with the components supplied with the burner and those fitted by the installer.
  • Page 11 PART II: NOTES FOR THE INSTALLER PART II: NOTES FOR THE INSTALLER How to read the burner “Performance curve” To check if the burner is suitable for the boiler to which it must be install- Campo di lavoro bruciatori led, the following parameters are needed: Tipo P60 Mod.
  • Page 12 PART II: INSTALLATION PART II: INSTALLATION MOUNTING AND CONNECTING THE BURNER Transport and storage If the product must be stored, avoid humid and corrosive places. Observe the temperatures stated in the burner data table at the begin- ning of this manual. The packages containing the burners must be locked inside the means of transport in such a way as to guarantee the absence of dangerous movements and avoid any possible damage.
  • Page 13 PART II: INSTALLATION Fitting the burner to the boiler To perform the installation, proceed as follows: drill the furnace plateas decribed in paragraph (“Overall dimensions”); place the burner towards the furnace plate: lift and move the burner by means of its eyebolts placed on the top side (see”Lifting and moving the burner”);...
  • Page 14 PART II: INSTALLATION GAS TRAIN CONNECTIONS WARNING: before executing the connections to the gas pipe network, be sure that the manual cutoff valves are closed. ATTENTION: it is recommended to mount filter and gas valves to avoid that extraneous material drops inside the valves, during maintenance and cleaning operation of the filters (both the filters outside the valves group and the ones built-in the gas valves).

  • Page 15: Mounting Positions

    PART II: INSTALLATION MultiBloc MB-DLE - Assembling the gas train Mounting Mount flange onto tube lines: use appropriate sealing agent Insert MB-DLE: note position of O rings Remove MultiBloc between the threaded flanges After installation, perform leakage and functional test Disassembly in reverse order MB-DLE 405..
  • Page 16 PART II: INSTALLATION DUNGS MBE Components and position of pressure switches PGMIN minimum gas pressure switch VD-V VD-R VD-V VD-R PGMIN minimum gas pressure switch (alternative to 1) PGCP leakage control gas pressure switch PGMAX maximum gas pressure switch Actuator with integrated pressure stabiliser On-Off actuator Valve body (Threaded) Valve body (Flange)
  • Page 17 PART II: INSTALLATION Siemens VGD20.. e VGD40.. Components and position of pressure switches PGMIN minimum gas pressure switch SKP25 SKP25 PGMIN minimum gas pressure switch (alternative SKP15 SKP15 to 1) PGCP leakage control gas pressure switch PGMAX maximum gas pressure switch Actuator with integrated pressure stabiliser On-Off actuator Valve body (Threaded)
  • Page 18 PART II: INSTALLATION Siemens VGD Pressure taps Strainer (G 1/4") (G 1/8") (G 1/4") (G 1/8") (G 1/4") (G 3/4") (G 1/8") Legend pi Inlet pressure pm Pressure between valves po Outlet pressure The pilot gas train is already installed to the burner, the following connections must be executed: connection from the stabiliser with filter to the gas supply network ...

  • Page 19: Electrical Connections

    PART II: INSTALLATION ELECTRICAL CONNECTIONS WARNING! Respect the basic safety rules. make sure of the connection to the earthing system. do not reverse the phase and neutral connections. fit a differential thermal magnet switch adequate for connection to the mains. WARNING! before executing the electrical connections, pay attention to turn the plant’s switch to OFF and be sure that the burner’s main switch is in 0 position (OFF) too.

  • Page 20: Limitations Of Use

    PART III: OPERATION PART III: OPERATION DANGER Incorrect motor rotation can seriously damage property and injure people. DANGER During commissioning operations, do not let the burner operate with insufficient air flow (danger of formation of carbon monoxide); if this should happen, make the gas decrease slowly until the normal combustion values are achieved. DANGER before starting the burner up, be sure that the manual cutoff valves are open and check that the pressure upstream the gas train complies the value quoted on paragraph “Technical specifications”.

  • Page 21: Gas Operation

    PART III: OPERATION Fig. 2 - Burner control panel Keys Main switch Reset pushbutton for control box CMF switch (0=stop, 1=low flame, 2=high flame, B2 B3 3=automatic) - fully modulating burners only Lock-out LED Hi-flame operation LED Lo-flame operation LED “Ignition transformer operation”...
  • Page 22 PART III: OPERATION Adjustments - brief description Adjust the air and gas flow rates at the maximum output (“high flame”) first, by means of the air damper and the adjusting cam respec- tively. Check that the combustion parameters are in the suggested limits. ...
  • Page 23 PART III: OPERATION If necessary, adjust the combustion head position (see the dedicated paragraph).. Attention! if it is necessary to change the head position, repeat the air and gas adjustments described above. TTENZIONE 10 The air and gas rate are now adjusted at the maximum power stage, go on with the point to point adjustement on the SV1 (gas side) adjusting cam as to reach the minimum output point.
  • Page 24 PART III: OPERATION ADJUSTING THE GAS VALVES GROUP Multibloc MB-DLE The multibloc unit is a compact unit consisting of two valves, gas pressure switch, pressure stabilizer and gas filter. C VS The valve is adjusted by means of the RP regulator after slackening the locking screw VB by a number of turns.
  • Page 25 PART III: OPERATION Calibration air and gas pressure switches The air pressure switch locks the control box if the air pressure is not the one requested. If it happens, unlock the burner by means of the control box unlock pushbutton, placed on the bur- ner control panel.
  • Page 26 PART III: OPERATION Adjusting the combustion head Attention! if it is necessary to change the head position, repeat the air and fuel adjustments described above. Only if necessary, change the combusiton head position: to let the burner operate at a lower output, loose the VB screw and move pro- gressively back the combustion head towards the MIN position, by turning clockwise the VRT ring nut.
  • Page 27 PART III: OPERATION Oil Flow Rate Settings Once the air and gas flow rates are adjusted, turn the burner off, switch to the oil operation (OIL, on the burner control panel). with the electrical panel open, prime the oil pump acting directly on the related CP contactor (see next picture): check the pump motor rotation and keep pressing for some seconds until the oil circuit is charged;...
  • Page 28 PART III: OPERATION Pressure gauge port Fig. 3 Fig. 4 Fig. 5 Fully-modulating burners .To adjust the fully-modulating burners, use the CMF switch on the burner control panel (see next picture), instead of the TAB thermo- stat as described on the previous paragraphs about the progressive burners. Go on adjusting the burner as described before, paying attention to use the CMF switch intead of TAB.
  • Page 29 PART IV: MAINTENANCE PART IV: 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 30 PART IV: MAINTENANCE Gas filter maintenance WARNING: Before opening the filter, close the manual cutoff valve downstream the filter and bleed the gas; check that inside the filter there is no pressurised gas. Per pulire o sostituire il filtro gas procedere nel modo seguente: MB-DLE MB-DLE 415 - 420 B01...
  • Page 31 PART IV: MAINTENANCE MultiBloc VD-V VD-R Mounting to push position 1. Position VD on VB, fig. 2+3. 2. Slide VD forward up to the stop, fig. 4. 3. Screw VD on with 2 M5 screws for each, max. 5 Nm/44 in.-lb., fig. 5/6. 4.

  • Page 32: Adjusting The Ignition Electrode

    PART IV: MAINTENANCE Removing the combustion head Remove the top H. Remove the UV detector out of its housing: disconnect electrode cables and the light oil flexible hoses. Loosen the screws V holding the gas manifold G, loosen the two connectors E and remove the assembly as shown. Note: to replace the combustion head, reverse the operations described above.
  • Page 33 PART IV: MAINTENANCE Replacing the ignition electrode ATTENTION: avoid the electrode to get in touch with metallic parts (blast tube, head, etc.), otherwise the boiler operation would be compromised. Check the electrode position after any intervention on the combustion head. TTENZIONE To replace the ignition electrode, proceed as follows: remove the burner cover...

  • Page 34: Seasonal Stop

    PART IV: MAINTENANCE - Upon expiry of the burner service term, it is necessary to carry out a technical diagnosis and, if necessary, an overall repair. - The burner status is considered to be at its limit if it is technically impossible to continue using it due to non-compliance with safety requirements or a decrease in performance.
  • Page 35 PART IV: MAINTENANCE TROUBLESHOOTING GUIDE Gas operation * No electric power supply * Restore power supply * Main switch open * Close switch * Thermostats open * Check set points and thermostat connections * Bad thermostat set point or broken thermostat * Reset or replace the thermostat * No gas pressure * Restore gas pressure...
  • Page 36 BURNER EXPLODED VIEW 10.5.2.1.1...
  • Page 37 ITEM DESCRIPTION ITEM DESCRIPTION ITEM DESCRIPTION AIR INLET CONE 10.5.1 ADJUSTING BUSH 14.1 BRACKET SPACER 10.5.2 STANDARD COMPLETE OIL GUN 14.2 PUMP FLEXIBLE HOSE 10.5.2.1.1 SOLENOID VALVE 14.3 COUPLING FLEXIBLE HOSE 10.6 IGNITION CABLE 14.4 PRESSURE GOVERNOR FLEXIBLE HOSE 10.7 GAS FLEXIBLE HOSE 14.5 PLATE...
  • Page 40 C.I.B.UNIGAS S.p.A. Via L.Galvani ,9 - 35011Campodarsego (PD) - ITALY Tel. +39 049 9200944 - Fax +39 049 9200945 website:www.cibunigas.it-e-mail:cibunigas@cibunigas.it Note: specifications and data subject to change. Errors and omissions excepted.

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