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CIB UNIGAS P20 Installation Manual

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P20
P30
P45
P50
P65
Gas burners
MANUAL OF INSTALLATION - USE - MAINTENANCE
BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ
M03975CF Rev. 0,0 12/21

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  • Page 1 Gas burners MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M03975CF Rev. 0,0 12/21...

  • Page 2: General Introduction

    DANGERS, WARNINGS AND NOTES OF CAUTION 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 PRODUCT INSTALLATION AND MAINTENANCE.

  • Page 3: Directives And Standards

    3b) FIRING WITH GAS, LIGHT OIL OR OTHER FUELS DIRECTIVES AND STANDARDS Gas burners GENERAL European directives  The burner shall be installed by qualified personnel and in compliance -Regulation 2016/426/UE (appliances burning gaseous fuels) with regulations and provisions in force; wrong installation can cause -2014/35/UE (Low Tension Directive) injuries to people and animals, or damage to property, for which the -2014/30/UE (Electromagnetic compatibility Directive)

  • Page 4: Symbols Used

    Burner data plate Type Gas - Light oil burners For the following information, please refer to Model Year European Directives the data plate: S.Number -Regulation 2016/426/UE (appliances burning gaseous fuels) burner type and burner model: must be Output  Oil Flow -2014/35/UE (Low Tension Directive) reported in any communication with the Fuel...
  • Page 5 PART I: INSTALLATION TECHNICAL DATA SINGLE STAGE BURNERS BURNERS TYPE/MODEL P20 M-..25 P20 M-..40 P30 M-..40 P45 M-..40 Input min. kW max. kW min. kcal/h 68.800 68.800 129.000 206.400 max. kcal/h 197.800 240.800 301.000 447.200 Fuel Natural gas Natural gas...
  • Page 6 DOUBLE STAGE, PROGRESSIVE AND FULLY MODULATING BURNERS BURNERS TYPE/MODEL P20 M-..25 P20 M-..40 P30 M-..40 P45 M-..40 Input min. low flame kW min. high flame kW max. kW min. low flame kcal/h 73.100 73.100 55.900 124.700 min. high flame kcal/h 103.200...

  • Page 7: Burner Model Identification

    BURNER MODEL IDENTIFICATION Burners are identified by burner type and model. Burner model identification is described as follow. Type: P20 Model: BURNER TYPE FUEL M - Natural gas OPERATION Available versions TN - Single stage AB - Double stage PR - Progressive...

  • Page 8: Performance Curves

    PERFORMANCE CURVES P20 M-.TN...25 P30 M-.TN..40 Fig. 5 P20 M-.AB...25 - M-.PR...25 - M-.MD...25 P30 M-.AB...40 - M-.MD...40 - M-.PR...40 Fig. 6 P20 M-.TN...40 P45 M-.TN...xx Fig. 7 P20 M-.AB...40 - M-.PR...40 - M-.MD...40 P45 M-.AB...xx - M-.PR...xx - M-.MD...xx Fig.
  • Page 9 P50 M-.TN...40 P65 M-.AB...xx - M-.PR...xx - M-.MD...xx Fig. 9 1000 P50 M-.TN...50 - M-.TN...65 Fig. 10 ------ Minimum high flame PRESSURE - RATE IN COMBUSTION HEAD CURVES Curves are referred to a null pressure in combustion head! The pressure - gas rate curves are referred to the burner in operation with 3% of O , with the combustion head at the maximum opening, servocontrol at the maximum opening and gas butterfly valve fully opened.
  • Page 10 NATURAL GAS RATE Stm NATURAL GAS RATE Stm Fig. 12 Fig. 13 NATURAL GAS RATE Stm NATURAL GAS RATE Stm Fig. 14 Fig. 15 NATURAL GAS RATE Stm Fig. 16 PART I: INSTALLATION...
  • Page 11 NETWORK PRESSURE - RATE CURVES P20 M-.TN..25 P30 M-.TN NATURAL GAS RATE Stm NATURAL GAS RATE Stm Fig. 17 Fig. 18 P20 M-.TN..40 P30 M-.AB 14 16 20 22 26 28 NATURAL GAS RATE Stm NATURAL GAS RATE Stm Fig. 19 Fig.
  • Page 12 P50 M-.TN..40 Fig. 25 NATURAL GAS RATE Stm P50 M-.TN..65 DN50 Fig. 26 DN65 NATURAL GAS RATE Stm P65 M-...50-65 DN50 DN65 Fig. 27 90 100 110 120 NATURAL GAS RATE Stm PART I: INSTALLATION...

  • Page 13: Electrical Connections

    MOUNTINGS AND CONNECTIONS Packing The burners are dispatched in cardboard pakages with dimensions: P20 - P30 98 x 55 x 46 (W x H x D) P45 - P50 118 x 67 x 57 (W x H x D) 127 x 84 x 76 (W x H x D) Packing cases of this kind are affected by humidity and are not suitable for stacking.
  • Page 14 For a complete key, see on Page 32, Page 35 and Page 42. Diagrams for burners WITH printed circuit Burners type P20 - P30 - P50 - P65 single stage, double stage and progressive Fig. 30a Burners type P45 single stage, double stage and progressive Fig.
  • Page 15 Power supply terminal board for mono-phase burners type P45 Fig. 32 Fig. 31b Diagrams for burners WITHOUT printed circuit Type P20 - P30 M-.TN... Type P50 M-.TN... Fig. 33a Fig. 34a Type P20 - P30 M-.AB... Type P65 M-.AB...
  • Page 16 Type P20 - P30 M-.MD... PROBE CONNECTION ON FULLY MODULATING BURNERS Fig. 35a Type P45 M-.MD Fig. 35b Type P65 M-.MD Fig. 35c Fig. 36 (**) Probe connection, see Fig. 36 Rotation of fan motor After completing the electrical connection of the burner, remember to check the rotation of the fan motor. The motor should rotate in an anti-clockwise direction looking at cooling fan.
  • Page 17 GAS TRAIN INSTALLATION DIAGRAMS The figures shown the diagrams with the gas train components wich are included in the delivery and those wich must be fitted by the customer. The diagrams complies with regulations in force. MANUFACTURER INSTALLER Fig. 37a Gas train with valves group MB- DLE (2 valves + gas filter + pres- sure governor + pressure switch)
  • Page 18 MANUFACTURER INSTALLER Fig. 37d Gas train with valves group VGD with built-in gas pressure gover- nor + leakage control LDU11 Fig. 37e Gas train with valves group DMV- DLE + leakage control VPS504 Fig. 37f Gas train with valves group DMV- DLE + leakage control LDU11 Burner Butterfly valve...
  • Page 19 SETTINGS WARNING! THE SEALED SCREWS MUST NOT BE UNLOOSED! IN A SUCH CASE THE DEVICE WARRANTY IS IMMEDIATELY INVALIDATE! Fig. 38 - Multibloc MB-DLE - VPS504 VS T(VR) The multibloc unit is a compact unit consisting of two valves, gas pressure switch, pressure stabilizer and gas filter.
  • Page 20 Gas valve Dungs MVD To adjust the gas flow rate unscrew the plug T, slacken the locking nut and apply a screwdriver to the adjusting screw VR. Turn clockwise to close the valve or counterclockwise to open. When this operation has been completed lock the nut and screw down the plug T.
  • Page 21 Dungs Valves SV (without regulation) SV-D Quick opening valve with regulation SV-DLE Slow opening valve with regulation SV-D... To adjust the valve slacken the screw VR and turn the knob G. Rotate clockwise to open the valve Rotate counterclockwise to close the valve Tight the screw VR at the end of setting ˜...
  • Page 22 Pressure regulator Dungs FRS Adjustment Unscrew the protection cap A Rotate the regulation screw B clockwise to increase the pressure – or counterclockwise to decrease it Check the pressure at the end of settings Replace the protection cap A Fig. 46a Fig.

  • Page 23: Gas Filter

    GAS FILTER The gas filters are components that remove the dust particles carried by the gas, and prevent the elements at risk (e.g.: burners, counters and regulators) from becoming rapidly blocked. The filter is normally installed upstream from all the control and on-off devices.
  • Page 24 ADJUSTMENT OF GAS AND AIR FLOW RATE WARNING: During commissioning operations, do not let the burner operate with insufficient air flow (danger of formation of car- bon monoxide); if this should happen, shut down the burner, increase the opening of the air damper and start up the burner again to ensure the purging of the carbon monoxide from the combustion chamber.
  • Page 25 Burners with fully modulating or progressive operation During the test in the factory, the gas throttle valve, air damper in low flame operation and the servocontrol are set to average values. To recalibrate the burner on site, proceed as follows. Switch on the burner and drive it to high-flame (servocontrol position = 90°).
  • Page 26 C.I.B. UNIGAS - M03956CR Double-stage burners drive the burner to the low flame stage by means of the TAB thermostat; 10 In order to change the gas flow rate slacken the nuts DB (Fig. 24) and adjust the opening angle of the gas butterfly valve by rotating the rod TG (clockwise rotation increases gas flow, anticlockwise rotation decreases it).
  • Page 27 C.I.B. UNIGAS - M03956CR Progressive burners Once the procedure till step 8 described on paragraph “Adjusting procedure” on page 22, is accomplished, go on as follows: set the low flame cam matching the high flame cam; 10 set the TAB thermostat to the minimum in order that the actuator moves progressively towards the low flame position; The manual air damper control is not provided on these actuators.
  • Page 28 Calibration of air pressure switch (single stage burners) Calibration is carried out as follows: Remove the transparent plastic cap. After air and gas setting have been completed, start the burner. The pre-purge phase starts; wait 10 sec. then slowly turn the adjusting ring nut VR in the clockwise direction until the burner lockout, read the value on the pres- sure switch scale and reduce it by 0.5 mbar.
  • Page 29 PART II: OPERATION MANUAL LIMITATIONS OF USE THE BURNER IS AN APPLIANCE DESIGNED AND CONSTRUCTED TO OPERATE ONLY AFTER BEING CORRECTLY CONNECTED TO A HEAT GENERATOR (E.G. BOILER, HOT AIR GENERATOR, FURNACE, ETC.), ANY OTHER USE IS TO BE CONSIDERED 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 AUTHORISED BY THE COMPANY MANUFACTURING THE BURNER.

  • Page 30: Operation

    OPERATION Bring to the ON position the mains switch A on the burner electrical board front panel. Check the flame control device is not in the lockout position (light B on), if necessary reset it by means of the pushbutton C (reset);...

  • Page 31: Periodical Operations

    NOTE: The check on the ignition and detection electrodes is carried out after removing the combustion head. Removal of the combustion head Fig. 58 - Burners P20 - P30 - P45 - P50 Remove the lid C. Unscrew the 2 screws S which hold in position the washer, unscrew then the screw VRT, to free the threaded rod AR.
  • Page 32 Fig. 60 - Electrodes position setting P20 - P30 - P45 Detection electrode Ignition electrode Earth electrode Fig. 61 - Electrodes position setting P50 - P65 Detection electrode Earth electrode Ignition electrode Check of ionisation current To measure the detection signals refer to the diagrams in Fig. 62 - Fig. 63. If the signal is less than the value shown, check the position of the detection electrode, the electrical contacts and if necessary replace the detection electrode.

  • Page 33: Troubleshooting

    SIEMENS LME2x If the power supply to the burner is 230V three-phase or 230V phase-phase (without a neutral), with the Landis LGB2... o LMG2... flame control device, between the termi- nal 2 on the board and the earth terminal, an RC Landis RC466890660 filter must be inserted C - Capacitor (22nF/250V) LGB - LMG - Landis flame control device...
  • Page 38 SPARE PARTS - Burners P20 - P30 M-.TN, M-.AB PART III: MAINTENANCE MANUAL...
  • Page 39 PART III: MAINTENANCE MANUAL...
  • Page 40 SPARE PARTS - Burners P45 M-.TN..., M-.AB, P50 M-.TN, P65 M-.AB PART III: MAINTENANCE MANUAL...
  • Page 41 PART III: MAINTENANCE MANUAL...
  • Page 42 SPARE PARTS - Burners P20 - P30 M-.MD... PART III: MAINTENANCE MANUAL...
  • Page 43 PART III: MAINTENANCE MANUAL...
  • Page 44 SPARE PARTS - Burners P45 - P65 M-.MD PART III: MAINTENANCE MANUAL...
  • Page 45 POS. DESCRIPTION M-.MD..S...40 M-.MD..S...50 M-.MD..S...50 M-.MD..S...65 M-.MD..L...40 M-.MD..L...50 M-.MD..L...50 M-.MD..L...65 FLAME CONTROL DEVICE SOCKET 203.04.15 203.04.15 203.04.15 203.04.15 FLAME CONTROL DEVICE LANDIS LGB22 202.04.30 202.04.30 202.04.30 202.04.30 FLAME CONTROL DEVICE LANDIS LMG22 202.04.50 202.04.50 202.04.50 202.04.50 LEAKAGE CONTROL 219.16.04 219.16.04 219.16.04 219.16.04 OVERLOAD RELAY...

  • Page 46: Start-Up Program

    APPENDIX SIEMENS LME11/21/22 CONTROL BOX The series of equipment LME.. is used for the starup and supervisione of 1- or 2- stage gas burners. The series LME.. is interchangeable with the series LGB.. and LMG.., all diagrams and accessories are interchangea- START-UP PROGRAM ble.
  • Page 47 LME11 control sequence LME21 control sequence B´ B´ SB / R SB / R W / GP W / GP (LR) BV2 7101d05/0206 Control sequence Waiting time LME22 control sequence Purge time B´ TSA Ignition safety time SB / R Preignition time W / GP Postignition time...
  • Page 48 LME11 connection diagram Connection diagram Error message (alarm) Fuel valve C control EK2 Remote lockout reset button RESET Flame signal Gas pressure switch Air pressure switch Load controller K2/1 K2/2 Fan motor Control thermostat/pressurestat Safety limit thermostat R / W Limit thermostat /pressure switch Ignition transformer 7101 24 /0606...
  • Page 49 CONTROL PROGRAM IN THE EVENT OF FAULT CONTROL BOX LOCKED If a fault occurs, all outputs will immediately be deactivated (in less In the event of lockout, the LME.. remains locked and the red signal lamp than 1s). (LED) will light up.The burner control can immediately be reset. This state After an interruption of power, a restart will be made with the full pro- is also mantained in the case fo mains failure.
  • Page 52 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 data subject to change. Errors and omissions excepted.

This manual is also suitable for:

P30P45P50P65

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