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Unigas TP1030 Manual

Microprocessor-controlled gas burners
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TP1030
TP1050
TP1080
Microprocessor-controlled
gas burners (LMV5x)
MANUAL OF INSTALLATION - USE - MAINTENANCE
BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ
M039204CC Rel. 2.1 04/2016

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Summary of Contents for Unigas TP1030

  • Page 1 TP1030 TP1050 TP1080 Microprocessor-controlled gas burners (LMV5x) MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039204CC Rel. 2.1 04/2016...

  • 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

    DIRECTIVES AND STANDARDS do not pull electric cables; Gas burners do not leave the equipment exposed to weather (rain, sun, etc.) European directives unless expressly required to do so; -2009/142/EC (Gas Directive) do not allow children or inexperienced persons to use equipment; -2006/95/CEC (Low Tension Directive) The unit input cable shall not be replaced by the user.

  • Page 4: Symbols Used

    -2006/95/EC (Low Tension Directive) -2004/108/EC (Electromagnetic compatibility Directive) -2006/42/EC (Machinery Directive) Harmonized standards -UNI EN 676 (Automatic forced draught burners for gaseous fuels) -EN 55014-1 (Electromagnetic compatibility- Requirements for house hold appliances, electric tools and similar apparatus) -CEI EN 60335-1 (Specification for safety of household and similar elec- trical appliances) -EN 50165 (Electrical equipment of non-electric appliances for household and similar purposes.

  • Page 5: Gas Connection

    Burners are identified by burner type and model. Burner model identification is described as follows. Type TP1030 Model M-. MD. (6) (7) (8) (1) BURNER TYPE TP1030 - TP1050 - TP1080 (2) FUEL M - Natural gas (3) OPERATION (Available versions) MD - Fully modulating (4) BLAST TUBE S - Standard...
  • Page 6 Country and usefulness gas categories COUNTRY CATEGORY ES GR SE NO CZ DK GB CY EE MT SK BG RO TR CH 2E( R ) B 2ELL...
  • Page 7 1864 544 1320 348 1898 1301 597 464 504 710 185 660 660 845 M16 651 460 1000 460 936 200 265 736 587 1092 322 1175 372 330 TP1030 100 1864 544 1320 348 1914 1317 597 464 504 710 185 660 660 845 M16 651 460 1000 460 842 200 265 642 587 1092 382 1175 372 330...

  • Page 8: Performance Curves

    Performance curves TP1030 TP1050 TP1080 Performance range To get the input in kcal/h, multiply value in kW by 860. Data are referred to standard conditions: 1013mbar, 15°C.
  • Page 9 Pressure in the network / gas rate curves TP1030 Gas rate Stm TP1050 DN80 DN100 DN125 1 00 1 000 1 1 00 1 200 1 300 1 400 1 500 1 600 1 700 Gas rate Stm TP1080 DN100...

  • Page 10: Installation

    Packing Burners are despatched in wooden cases whose dimensions are: TP1030 - TP1050: 2180 x 1180 x 1160 (L x P x H) TP1080: 2180 x 1580 x 1560 (L x P x H) The following are placed in each packing case: burner with gas train which is detached;...

  • Page 11: Fan Installation

    Fitting the burner to the boiler To perform the installation, it is necessary to drill the boiler door as described on paragraph “Overall dimensions”; screw the studbolts (5) on the boiler door, according to the drilling plate (see paragraph “Overall dimensions”); move the burner towards the boiler: lift the burner by means of the eyebolts placed on its top side;...
  • Page 12 GAS TRAIN CONNECTIONS The diagrams show the components of the gas trai included in the delivery and which must be fitted by the installer.The diagrams are in compliance with the current laws. ATTENTION: BEFORE EXECUTING THE CONNECTIONS TO THE GAS PIPE NETWORK, BE SURE THAT THE MANUAL CUTOFF VALVES ARE CLOSED.
  • Page 13 The pilot gas train is already installed to the burner, the following connections must be executed: connection from the filter with stabiliser to the gas supply network to the burner connection to the gas supply network gas proving system connection (optional) SIEMENS VGD40..
  • Page 14 Assembling the gas grain To assemble the main gas train, proceed as follows: gas supply network ”direction” arrows for installation Keys 1A..1E Gasket Gas filter Gas valves group Bellows unit Manual valve Fig. 3 - Example of gas train 1-a) in case of threaded joints: use proper seals according to the gas used; 1-b) in case of flanged joints: place a gasket (no.
  • Page 15 SKP1. SKP2. 7631z05/0101 SIEMENS VGD..MOUNTING POSITIONS Fig. 5 Fig. 6 Fig. 4 (spring) (cap) Fig. 7 Siemens VGD valves with SKP actuator : The pressure adjusting range, upstream the gas valves group, changes according to the spring provided with the valve group. 0 - 22 15 - 120 100 - 250...

  • Page 16: Electrical Connections

    Integrated proving system (burners equipped with LME7x, LMV, LDU) This paragraph describes the integrated proving system operation sequence: At the beginning both the valves (EV1 and EV2) must be closed. Test space evacuating: EV1 valve (burner side) opens and keep this position for a preset time (td4), in order the bring the test space to ambient pressure.Test atmospheric pressure: EV1 closes and keep this position for a preset time (test time td1).
  • Page 17 (quoted on the y axis). The data obtained must be considered when adjusting the gas flow rate. NOTE: THE PRESSURE-RATE CURVES ARE GIVEN AS INFORMATION ONLY; FOR A PROPER SETTING OF THE GAS RATE, PLEASE REFER TO THE GAS METER READING. Pressure - rate in combustion head curves TP1030 Gas rate Stm...
  • Page 18 TP1050 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 Gas rate Stm TP1080 1 60 1 40 1 20 1 00 500 600 900 1 000 1 1 00 1 200 1 300 1 400 1 500 1 600 1 700 1 800 1 900 2000 21 00 2200 Gas rate Stm...
  • Page 19 ADJUSTING AIR AND GAS FLOW RATES Gas Filter The gas filters remove the dust particles that are present in the gas, and prevent the elements at risk (e.g.: burner valves, counters and regulators) from becoming rapidly blocked. The filter is normally installed upstream from all the control and on-off devices. Adjusting the injector gas flow rate: Brahma EG12*R valve and pressure governor To change the injector gas valve flow rate, proceed as follows: remove the protection on the bottom of the valve, moving it counterclockwise (see next picture);...

  • Page 20: Adjusting Procedure

    Adjusting air and gas flow rates ATTENTION: before starting the burner up, be sure that the manual cutoff valves are open and check that the pres- sure upstream the gas train complies the value quoted on paragraph “Technical specifications”. Be sure that the mains switch is closed.
  • Page 21 Once the throttle valve is completely opened, acting on the pressure stabiliser of the valves group, adjust the gas flow rate in the high flame stage as to meet the values requested by the boiler/utilisation: Gas valves Siemens VGD - Version with SKP2. (provided with pressure stabilizer). To increase or decrease gas pressure, and therefore gas flow rate, remove the cap T and use a screwdriver to adjust the regulating screw VR.
  • Page 22 Fuel Second page Fuel: it shows (in degrees) the fuel actuator position. Air: it shows (in degrees) the air actuator position. Ax1..3: auxiliaries. VSD: % value on the inverter maximum frequency O2: oxygen percentage Ld: load percentage (burner output). Press the ENTER key to go back to the main page. To access the main menu, from the main page, press the ESC key tiwce: OperationalStat Operation...
  • Page 23 Lockout History To visualise the Lockout History, choose the related item and press ENTER. The message will be: 10.08.07 13.47 C:71 D:00 Start No. Load alternating by an error message as:к No flame at end of safety time To see the other Lockout History pages, press the arrow keys. To exit the Lockout History pages, press ESC.
  • Page 24 Choose “ControllerParam” and press ENTER: the following menu is shown: ContrlParamList MinActuatorStep SW_FilterTmeCon SetPointW1 Choose “SetPointW1” and press ENTER: SetpointW1 Curr: 90° New: 90° Curr: it shows the current set-point; use the arrows keys to change. NOTE: the availabel range for this parameter depends on the probe provided; the unit measure of the detected value and its limits are bound up with parameters set at the “Service”...
  • Page 25 The deafult value for this parameter is10% that is, the burner will turn off at a temperature 1% higher than the set-point. Change value, if needed, by means of the arrow keys; press ENTER to confirm and the press ESC to exit. Press only ESC to exit without changing.

  • Page 26: System Lockout

    UnitTemperature UnitPressure Settable temperature units: °C or °F Settable pressure units: bar or psi. choose the desired unit and cofirm by pressing ENTER; press ESC to exit. choose the temperature and pressure unit and cofirm by pressing ENTER; press ESC to exit. System lockout If the system locks out, the following message will appear: 10.08.07...
  • Page 27 SetLoad Autom/Manual/Off Autom/Manual/Off Automatic Curr:: New: Burner On three modes are provided: Automatic: automatic operation Burner on: manual operation Burner off: burner in stand-by If the BurnerOn mode is choosen,the burner does not follow the modulator and probe settings, but operates at the set load. Caution: if BurnerOff mode is selected, the burner stays in stand-by.
  • Page 28 System) remove the pressure switch plastic cover; adjust the PGCP pressure switch to the same value set for the minimum gas pressure switch; replace the plastic cover. Fig. 9...
  • Page 29 PART II: OPERATION LIMITATIONS OF USE THE BURNER IS AN APPLIANCE DESIGNED AND CONSTRUCTED TO OPERATE ONLY AFTER BEING CORRECTLY CONNEC- TED TO A HEAT GENERATOR (E.G. BOILER, HOT AIR GENERATOR, FURNACE, ETC.), ANY OTHER USE IS TO BE CONSIDE- RED IMPROPER AND THEREFORE DANGEROUS.

  • Page 30: Operation

    OPERATION ATTENTION: before starting the burner up, be sure that the manual cutoff valves are open and check that the pres- sure upstream the gas train complies the value quoted on paragraph “Technical specifications”. Be sure that the mains switch is closed. Turn to the “ON”...

  • Page 31: Routine Maintenance

    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 32 Replacing the spring in the gas valve group To replace the spring in the gas valve group,proceed as follows: Carefully twist the protection cap 1 and the O-ring 2. remove the “set value” spring 3 from housing 4. Replace spring 3. Carefully insert the new “set value”...

  • Page 33: Adjusting The Ignition Electrode

    Adjusting the ignition electrode Important Note: check the ignition electrode after each removing of the combustion head. ATTENTION: avoid the ignition electrode to contact metallic parts (blast tube, head, etc.), otherwise the boiler’s operation would be compromised. Check the electrode position after any intervention on the combustion head. Fig.
  • Page 34 Replacing the ignition electrode ATTENTION: avoid the ignition electrode to contact metallic parts (blast tube, head, etc.), otherwise the boiler’s operation would be compromised. Check the electrode position after any intervention on the combustion head. To replace the ignition electrode, proceed as follows: remove the burner cover disconnect the electrode (E) cable (CE);...

  • Page 35: Seasonal Stop

    Checking the detection current To check the detection current follow the diagram on Fig. 13. If the signal is less than the value indicated, check the position of the de- tection electrode or detector, the electrical contacts and, if necessary, replace the electrode or the detector. LMV...

  • Page 36: Wiring Diagrams

    WIRING DIAGRAMS Refer to the attached wiring diagrams. WARNING 1 - Electrical supply 400V 50Hz 3N a.c. 2 - Do not reverse phase with neutral 3 - Ensure burner is properly earthed 4 - Refer to the attached document “RECOMMENDATIONS FOR LMV5x CONNECTIONS”...

  • Page 37: Troubleshooting

    TROUBLESHOOTING TROUBLE CAUSE MAIN SWITCH OPEN LACK OF GAS MAXIMUM GAS PRESSURE SWITCH DEFECTIVE THERMOSTATS/PRESSURE SWITCHES DEFECTIVES OVERLOAD TRIPPED INTERVENTION AUXILIARIES FUSE INTERRUPTED DEFECTIVE CONTROL BOX DEFECTIVE ACTUATOR AIR PRESSURE SWITCH FAULT OR BAD SETTING MINIMUM GAS PRESSURE SWITCH DEFECTIVE OR GAS FILTER DIRTY IGNITION TRANSFORMER FAULT IGNITION ELECTRODES BAD POSITION...
  • Page 40 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 exceptd.
  • Page 41 Siemens LMV5x Service Manual M12920CC rev 2.1 08/2017...
  • Page 42 Warnings: To avoid injury to persons, damage to property or the environment, the following warning notes must be observed Qualified personal In the sense of this documentation, qualified personal are those who are knowledgeable and qualified to install, mount, commission, operate and service / maintain LMV5 system together with burner &...
  • Page 43     WIRING RECOMMENDATIONS ....................................... 4     Earthing ......................................4     1.1.1 TN earthing system ................................4     1.1.2 Protective Earth (PE) and Functional Earth (FE) ........................4     .Frequency inverter / Variable Speed Drive (VSD) ......................... 5  ...

  • Page 44: Wiring Recommendations

    1 WIRING RECOMMENDATIONS Earthing 1.1.1 TN earthing system For the LMV5x-System it is preconditioned that a TN earthing system is used. In a TN earthing system, one of the points in the generator or transformer is connected with earth, usually the star point in a three-phase system. TN−S: PE and N are separate conductors that are connected together only near the power source.
  • Page 45 .Frequency inverter / Variable Speed Drive (VSD) A VSD is one of the strongest EMC sources in a boiler house, so the following is recommended: LMV5 hi ld Earth Note: If the LMV5 is mounted in a cabinet, alternative to (X73.6 / FE), also a connection with the PE- rail in the cabinet is possible Use only VSD with EMC- filter!
  • Page 46 1.3.1 Recommendations It is recommended to use a metal "mounting plate" for the LMV5 Base Unit and the Transformer AGG5.220. Use this plate to provide the Functional Earth (FE), see also /EARTH connection example The connection of the FE to the LMV5 has to be made by connecting the X52.4 terminal with FE! Follow exactly the shield and earth connection in the wiring diagram In some cases connecting the terminal X52.2 with FE results in an improved EMC- immunity of the LMV5.
  • Page 47 Wireway and electrical conduit The following cables are recommended for separate wiring; Complete separate from all other cables: • Cable for "VSD to Fan motor" Line voltage, see also "1. Frequency inverter / Variable Speed Drive (VSD)" • Cable for ignition high voltage, see also "2. Ignition" •...
  • Page 49 1.4.1 Servomotor wiring example 1.4.2 Bus cable wiring on LMV5x and AZL doors. 1.4.3 EARTH connection example...
  • Page 50 2 AZL display/programming unit Users can set only the LMV parameters that can be accessed without password: (see “Adjusting the temperature set-point”). The Siemens AZL User Interface allows programming the Siemens LMV control box and monitoring the system data. The user interface is made of: display: it shows menus and parameters key (previous level): it goes back to the previous level menu or exits the programming mode without changing...
  • Page 51 LMV5x program operating phases Phase number Description Sequence Home run Stand by 20,21 Waiting to start realase Startup Start fan on Startup Driving to pre-purge Startup 30..34 Pre purging Startup Driving to ignition pos Startup Ingnition pos Startup 40,42,44 Fuel release 1 Startup 50,52 Fuel release 2...
  • Page 52 LMV5x program structure...
  • Page 53 NOTE: (1) only for LMV52.400, LMV51.300 without temperature compensation (2) only for LMV5.200 (controlling the oxygen level in the exhaust gas flue) and LMV52.400 (monitoring the oxygen level in the exhaust gas flue, a lock out occur if a limit value is overcoming) (3) Only for LMV51.300 (in this case VSD cannot be used), LMV52.xxx ATTENTION: LMV51.300: HAS ONE AUX.

  • Page 54: Changing Password

    Password 2.4.1 Access to service levels by password Depending on password (service or OEM), different parameters are visible. "Service" parameters, as per the actuator curves and the set-point values, are password protected. The operator must logon using the "9876" password. "User"...
  • Page 55 3 Thermostatic series and safety loop The burner shuts down properly when the thermostatic series (X5-03.1 and X5-03.4 - terminals 3 and 4 of the burner terminal block) opens. In this way, before shut-down, the burner drives to the minimum load, then the fuel valve will close. The post-purging phase will be performed if set. By re-closing the thermostatic series, the burner will start-up again.
  • Page 56 4 Actuators Addressing the actuators The addressing assigns to each actuator its proper function. The addressing is factory set by the burner manufacturer. If an actuator must be replaced, it is necessary to address it, otherwise the system will not work. The parameter that sets the actuator function is protected by the Service level password.
  • Page 57 Actuator doors configuration After the adressing of the actuators, it is necessary to activate and to configure the operation way for each servomotor. ATTENTION: Activate only the actuators that are really present, otherwise an error will occur. 1st level 2nd level 3rd level 4th level Possible choices...
  • Page 58 5 Setting the load controller Door X60 is used for IntLC... choice and a temperature modulationg probe is used. ATTENTION: in case of FGR, it is not possible to connect a modulating temperature probe at the X60 door of the LMX5...
  • Page 59 ExtLC X5-03 = three-point external controller (X5-03 terminals) Int LC = internal controller (LMV5x) (it switches between 2 set points, W1,W2 set thought AZL. the switch from W1 and W2 is realized opening/closing the LMV5x... terminals X62.1, X62.2). Int LC Bus = internal controller and set point setting via bus connection Int LC X62 = internal controller (LMV), but set point is externally controlled by means of a voltage/current signal on X62 terminals Ext LC X62 = external controller, the burner output is controlled by means of a voltage/current signal on X62 terminals Ext LC Bus = external controller, the burner output is controlled via bus...
  • Page 60 Configuration of a pressure or a temperature probe type at X61 door ATTENTION: If the external load controller is set do not connected to terminals X60 or X61. If a modulation probe is connected to the X61 terminal, proceeding as follows: 1st level 2nd level 3rd level...
  • Page 61 Setting the setpoint and the burner and the PID operative band. 6.4.1 Set-point To set the temperature set-point value, that is the generator operating temperature; proceed as follows. 1st level 2nd level 3rd level 4th level 5th level 6th level Description Params &...

  • Page 62: Pid Control Parameters

    The default value for this parameter is10% that is, the burner will turn off at a temperature 1% higher than the set-point. Press the ENTER to confirm, the press ESC to exit. Otherwise press ESC to exit without changing data. Press the ESC to exit 6.4.3 PID control parameters The controller’s memory contains 5 standard parameter sets.
  • Page 63 Setting functions “TL_ThreshOff” and “TL_SD_On” These functions enable the settable threshold for the immediate shutdown, if value set on TL_ThreshOff is exceeded. The automatic restart is performed for values lower than the one set on TL_SD_On. On display, values detected by temperature/pressure probe are shown at the same time. TL_ThreshOff turns the burner off if temperature exceeds the set value.
  • Page 64 7 VSD Standardization Motor standardization (speed acquisition) allows the LMV unit to control the motor rounds at the maximum frequency signal coming from the VSD. A temporary standardization is factory set only for test purpose. The definite standardization must be performed on site by the Service Center (only if the fan is supplied), before the plant test.
  • Page 65 8 SPECIAL POSITIONS Ignition position The ignition point is independent from the other curve points of the air/fuel ratio curve. As far as dual fuel burners, the ignition point set for the gas operation does not depend on the one set for the oil operation. LMV5x allow two different ignition position for gas mode and oil mode.
  • Page 66 9 ADJUSTING THE AIR/FUEL RATIO CURVES ATTENTION: when burners are provided with VSD, before setting the air/fuel ratio curves, the Standardization of the motor speed must be performed (see chapter “Standardization”). 1st level 2nd level 3rd level 4th level 5th level 6th level Description Params &...
  • Page 67 Setting the load points output (burners with no FGR) Following the below route access to the programming levels of the menu 1st level 2nd level 3rd level 4th level 5th level 6th level Description Params & Display RatioControl Parameter settings for fuel/ air ratio control GasSettings Parameter settings for firing...
  • Page 68 Point Load To choose the actuator to set, press the “left arrow” and choose Air or VSD Fuel Point Load Press "Enter" to access the Air actuator value to be set. Fuel Point Load Press keys to change value. Fuel Point Load Press Enter...
  • Page 69 Caution! In case it is necessary to immediately shut the burner down while working at high flame and the maximum load point is not already set observing the combustion parameters, decrease gas by means of the pressure governor as to drive the burner to a sufficient excess of air, then shut the burner down by the main switch.
  • Page 70 10 Configurations for burner with FGR 10.1 Recommendations Note! Reduction of maximum burner output Use of the flue gas recirculation (FGR) function or the flue gas mass introduced to the supply air duct might lower the burner’s maximum output. This means that the maximum amount of combustion air that can be introduced will be reduced. It is recommended to consider a proper air excess during the regulation of the burner in order to have to the right O2 content in the smoke, after the flue gas recirculation.
  • Page 71 10.2 Address and activate the AUX3 servomotor. Usually these operations are already set in the manufacturer factory. They would be necessary in same cases as: the substitution of the servomotor, in case the FGR mode were not activated yet or the LMV5x were be supplied loose…...
  • Page 72 10.3 Setting the special positions 1st level 2nd level 3rd level 4th level 5th level 6th level Description Param & Display RatioControl GasSettings OilSettings SpecialPosition Suggested positions are below. They can be modify during the commissioning according to right needs. Special Position: AUX3 POS •...
  • Page 73 10.5 FGR mode choice 1st level 2nd level 3rd level 4th level 5th level 6th level Description Param & Display Flue Gas Recirc According to the preference and FGR-Mode AUX3onCurve instruction in the table below. time temperature temp. contr. TCautoDeact deactMinpos auto deact Description of the FGR mode.
  • Page 74 10.6 Main parameter of the FGR function LMV50 LMV52.4.. Parameter Description LMV51.3 LMV52.2 DelaytimeFGR Gas Setting of delay time for auxiliary actuator 3 to be kept in the ignition position after entering phase ● ● OPERATION DelaytimeFGR Oil ThresholdFGR Gas Setting of temperature that must not be exceeded so that auxiliary actuator 3 can be kept in the ●...
  • Page 75 10.7 Example of FGR factor and FGR Maps Factor on the burner regulation. We consider to set the AUX3 for FGR with the “temp.contr.” Mode The curve is as per the below table. Point Note Load % 37,5 % 62,5 % 75 % 100 % AUX3 FGR Curve...
  • Page 76 11 Cold start thermal shock (CSTP) If there is a steam boiler or a boiler that must start up cold in the plant and to avoid thermal shocks a slow heating is required for the boiler by maintaining the burner at the minimum output, the automatic function “Cold start thermal shock” can be performed instead of the manual operation at minimum load. The CSTP (Cold Start Thermal Schock) function can be enabled by the Technical service only (access by reserved password).
  • Page 77 Note: by enabling the manual operation (this function can be set at user level also -see chapter “manual operation”) the CSTP function is momentary excluded, when enabling the automatic operation again, the CSTP function (previously set at Service level) will be enabled as well.
  • Page 78 12 BURNER MANUAL OPERATION The operator can decide if choosing burner manual operation at a settable fixed load or modulating operation through the automatic load controller, then can also set the burner shutdown by means of the “burner off” function. Choose the type of operation (Au-tom / Manual / Off).
  • Page 80 Terminal Description of connection termi- nals group Connection symbol Electrical rating PIN1 Fan motor contactor AC 230 V +10 % / -15 %, 50...60 Hz, 1 A, cos.0.4 PIN2 Alarm AC 230 V +10 % / -15 %, 50...60 X3-01 Hz, 1 A, cos.0.4 PIN1 Air pressure switch (LP)
  • Page 81 Terminal Connection symbol Description of connection terminals Electrical rating group PIN1 Protective earth (PE) Pressure switch min-oil (DWmin-oil) AC 230 V +10 % / -15 %, PIN2 50...60 Hz, Imax 1.5 mA X5-01 Power signal for pressure switch-min- AC 230 V +10 % / -15 %, oil (DWmin-oil) PIN3 50...60 Hz, Imax 500 mA...
  • Page 82 Terminal Connection symbol Description of connection termi- nals Electrical rating group PIN1 Protective earth (PE) PIN2 Neutral conductor (N) X7-01 PIN3 Fuel valve 2 (oil) AC 230 V +10 % / -15 %, 50...60 Hz, 1 A, cos.0.4 PIN1 Protective earth (PE) PIN2 Neutral conductor (N) AC 230 V +10 % / -15 %, 50...60...
  • Page 83 Terminal Connection symbol Description of connection termi- nals Electrical rating group AC 230 V +10 % / -15 %, 50...60 PIN2 Firing on oil Hz, 1 A, cos.0.4 X8-01 PIN1 Firing on gas AC 230 V +10 % / -15 %, 50...60 Hz, 1 A, cos.0.4 PIN4 Protective earth (PE)
  • Page 84 Termi- nal group Connection symbol Description of connection termi- nals Electrical rating AC 230 V +10 % / -15 %, 50...60 Hz, PIN4 Neutral conductor (N) max 1 mA PIN3 Power signal transformer AC 12 V +10 % / -15 %, 50...60 Hz, X10-01 PIN2 AC power signal GO...
  • Page 85 (functional earth) PIN4 AC power supply from transformer to LMV5... system PIN3 AC 12 V +10 % / -15 %, 50...60 Hz PIN2 Reference ground (PELV) AC power supply from transformer to LMV5... system PIN1 AC 12 V +10 % / -15 %, 50...60 Hz Terminal Connection symbol Description of connection termi- nals...
  • Page 88 Note: Specifications and data subject to change. Errors and omissions excepted.
  • Page 89 COD. M07979CD rel. 3.2 01/13 RECOMMENDATIONS FOR LMV5x CONNECTIONS Connections affected by EMC noises are related to the bus cable (actuator line cable, PLL52), detection probe cable, speed sensor cable, 4-20mA signal cable that controls the VSD. Input and power cables (400V e 230V) must be laid separately from the signal cables. The bus cable between control panel and burner and between burner and PLL52 board (used when O2 trim control must be perfomed) must be laid separately and far from power cables.
  • Page 90 Annex1 – Example for motor cable...
  • Page 92 Annex 2 – Example for sensor cable...
  • Page 95 SIEMENS Appendix: Example for wiring, earthing and shielding the LMV5-System Cabinet Siemens MM440 CAN-Bus shielded cable X52.2 X52.4 "VSD - Fan Motor" Separate conduit & shielded line voltage cable! Separate plastic conduit X51, X50 Metal plate = FE for high voltage ign. cable X9-02 X10-01 Power...
  • Page 96 Addendum 4: LMV52... with O trim control and O module General The LMV52... system is an extended LMV51... system. A special feature of the LMV52… is control of the residual oxygen content to increase the boiler’s efficiency. In addition to the features of the LMV51..., the LMV52... provides O trim control, con- trol of a maximum of 6 actuators, control of a VSD, and acquisition of cumulated fuel consumption and current fuel throughput.
  • Page 97 The maximum cable length between transformer and CAN bus users is dependent on Determination of the the type of cable (cross-sectional area), the number of actuators and the type of actua- maximum cable length tor used (current). The following graphs can be used to determine the maximum CAN bus cable lengths between the transformer and group of actuators or the AZL5…, depending on the rele- vant influencing factors.

  • Page 99: Control Panel

    Example 2 LMV5... basic unit in the control panel, actuator on the burner; CAN bus cable «LMV5... → SA» > 20 m Jumper Control panel Burner ACT 1 ACT 2 ACT 3 ACT 4 Fixed internal bus termination SQM4... SQM4... SQM4...
  • Page 100 Example 3a Installation of all components in the burner; CAN bus cable «LMV52... ↔ SA» > 20 m with 6 actuators and O2 module PLL52... Jumper Fixed internal ACT 1 ACT 2 ACT 3 ACT 4 ACT 5 ACT 6 bus termination SQM45...
  • Page 101 Notes on example 3a / 3b CAN bus cable with LMV52... and more than 4 actuators and O2 module PLL52... On LMV52... applications with more than 4 actuators (SQM45...), a second transformer is required for powering the extra actuators. In that case, transformer 1 powers the LMV52... basic unit, the AZL5..., and the first 4 actuators.

  • Page 102: Inputs And Outputs

    O2 module In comparison with the LMV51... system, the extra components to be connected with the LMV52… system are the O module and the O sensor QGO... and, optionally, the combustion air and flue gas temperature sensors. The O module is to be connected to the basic unit via the CAN bus.
  • Page 104      8      8      8...
  • Page 105 ß ß ß...
  • Page 106 ©...
  • Page 107 Technical Data PLL52... LMV52... basic unit Refer to chapter Technical Data! Mains voltage «X89-01» AC 120 V AC 230 V PLL52... –15 % / +10 % -15 % / +10 % Safety class I with parts according to II as per DIN EN 60730-1 Mains frequency 50 / 60 Hz ±6 % Power consumption...
  • Page 108 PLL52... Flue gas temperature X86.3 Shield connection Temperature sensor X86.1 Pt / LG-Ni1000 PLL52... Pt / LG-Ni1000 X86.2 Signal reference X89-01.4 Protective earth (PE) Supply air temperature X89-01.5 Power supply neutral X87.3 conductor (L) Shield connection F 6.3AT Temperature sensor X87.1 X89-01.6 Power supply live Pt / LG-Ni1000...

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