Bentone STG 146i/2 Installation And Maintenance Instruction
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Bentone STG 146i/2 Installation And Maintenance Instruction

Bentone STG 146i/2 Installation And Maintenance Instruction

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CR00395
178 083 26-1  2022-03-22
Providing sustainable energy solutions worldwide
Installation- and maintenance instruction
STG 146i/2 J/K IP40
LMV37
MB-DLE 407
RWF50.2
Translation of the original instructions.

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Summary of Contents for Bentone STG 146i/2

  • Page 1 CR00395 178 083 26-1  2022-03-22 Providing sustainable energy solutions worldwide Installation- and maintenance instruction STG 146i/2 J/K IP40 LMV37 MB-DLE 407 RWF50.2 Translation of the original instructions.
  • Page 2 1~230V 1,0A 50Hz IP 20 Motor supply MADE IN SWEDEN BY 1. Manualer på övriga språk 1. Manuals in other languages 1. Manualer på andre sprog 2. www.bentone.com\ 2. www.bentone.com\download 2. www.bentone.com\ nedladdning eller scanna or scan QR-code. download eller scan QR-koden.

  • Page 3: Table Of Contents

    What to do if you smell gas ............5 Basic display ................. 38 User level ..................39 Technical data ...............6 7.5 Starting the self-setting function ..........40 Dimensions STG 146i/2 ..............6 7.6 Parameterization PArA ............... 41 Capacity range ................7 7.7 Configuration ConF ..............43 Gas categories, approved gases ..........

  • Page 4: General Information

    The electrical installation must be professionally carried out • in accordance with current high voltage regulations and in a professional manner. Make sure that the burner is suitable for the application (see • Technical Data). 172 515 01-2  2021-10-05 Bentone...

  • Page 5: What To Do If You Smell Gas

    Prevent open fl ames or sparking, e.g. do not turn lights on or • off, do not use any electrical appliances or mobile phones. • Evacuate the building. Notify the installer or gas supplier of the problem so that it • can be rectifi ed. Bentone...

  • Page 6: Technical Data

    Operation with boiler according to EN 303, EN 676 and EN 746-2. • Fuels: Natural gas H, E, L, LL. • LPG Butane G30 and Propane G31. • Dimensions STG 146i/2 øB øC Type Length of Flange Burner tube Burner tube...

  • Page 7: Capacity Range

    Capacity at min. power at max. power pressure pressure Gas valve mbar mbar MultiBloc STG 146i/2 G20 - 41-133 14.1 DLE 405 DLE 407 G25 - 41-133 16.4 DLE 405 DLE 407 G30 - 47-144 DLE 405 DLE 407...

  • Page 8: Working Field

    Basic settings should only be seen as setting values to get burner to start. Once the burner has started and established flame, it is necessary to adjust the settings so that they are adapted to the installation and the fuel used. Air settings Nozzle assembly Scale Burner output Bentone...

  • Page 9: Components

    Components Fixing fl ange Pressure regulator Motor Transformer Filter Fan wheel Brake plate adjustment Connection Gas valve Ignition electrode Gas pressure switch VPS Ionization electrode Air setting Gas valve (MultiBloc) Brake plate Bentone...
  • Page 10 Gas pressure switch min. Gas pressure switch max./ Overload protection switch Flame tube Air pressure switch 2.7.1 Components, electrical cabinet Automatic control unit LMV Main switch Reset Display AZL Operating switch 0-I Fuse (automatic control unit) Connection block Regulator RWF Bentone...

  • Page 11: Installation

    Connection must be done in accordance with the applicable • regulations. • Connection must conform to the wiring diagram. If any electrical connection other than that recommended by Enertech is used, there is a risk of property damage and personal injury. 172 535 09 Bentone...

  • Page 12: Calculation Of Gas Flow

    Natural gas 34.02 Butan 32.25 116.09 Natural gas 29.25 Propan 24.44 88.00 Lower calorific value H at normal conditions 15 °C and 1013 mbar, EN 676. For exact calorific value of the gas, contact the gas distributor. 172 535 24 Bentone...

  • Page 13: Calculate Prepurge Time, Industrial Applications

    The prepurge time must correspond to at least 5 complete air circulations in the fire box and adapted compartments. Calculate prepurge time using the following formula: V · 5 · 5 150 s 200 kW · 1.2 / 3600 Q · 1.2 / 3600 172 525 54  2022-01-11 Bentone...

  • Page 14: Mounting The Burner To The Boiler

    Connect electrical connection for gas valve, gas pressure switch min, gas pressure switch max and VPS/Tightness check. Connect gas line, connect supply cable, operating and safety circuits. Before obtaining access to terminals, all supply circuits must be disconnected. 172 535 23 Bentone...

  • Page 15: Gas Nozzle

    3.10 Gas nozzle Check that the ignition electrodes are set correctly before assembly on the boiler. 45° Naturgas Bentone...

  • Page 16: Leakage Control

    The gas valve is energized and opens. After the end of the safety period (2-3 sec.), the gas burner control goes into blockage. Solenoid valve and motor become de-energized. Remove the link after testing. Bentone...

  • Page 17: Burner Settings

    Turn the screw in the desired direction with an Allen key. Turn screw to the right to reduce opening. • Turn screw to the left to increase opening. • 172 535 20 Bentone...

  • Page 18: Start-Up

    Max % CO2 % O2 % CO2 Lambda 1.2 ≈10 Natural gas 3 - 5 11.9 ≈11.5 Propane 3 - 5 13.9 ≈11.5 Butane 3 - 5 14.1 Liquefied ≈11 3 - 5 13.8 petroleum gas Biogas 3 - 5 Bentone...

  • Page 19: Setting The Air Pressure Switch

    Measure and note the lowest air pressure in the entire work area. Set the air pressure switch to about 10-15% lower than the lowest noted pressure. Test run the burner and check the function in the entire work area. Refi t protective cover. Bentone...

  • Page 20: Setting The Gas Pressure Switch Min/Vps

    When the gas pressure switch stops the burner, the measured value must approximately correspond to the setting on the gas pressure switch. Open ball valve. Remove manometer and close measuring socket. Refi t protective cover. Check gas tightness. 172 535 25 Bentone...

  • Page 21: Setting The Gas Pressure Switch Max/ Overload Protection Switch

    Set the gas pressure switch to a value 10-15% lower than the noted pressure. Test run the burner and check the function in the entire work area. Remove manometer and close measuring socket. Refi t protective cover. Check the gas tightness. 172 535 17-3 Bentone...

  • Page 22: Gas Valve Multibloc Dle 405 - 412

    Gas fl ow direction Test point connection G 1/8 upstream of V1, possible on both sides Vent nozzle, regulator Filter (below fl ange) Input fl ange Pressure switch Electrical connection for valves (DIN EN 175 301-803 connector) 172 515 12 Bentone...
  • Page 23 Turn the adjustment knob (d) (use the protective cover as a tool) to the desired start gas flow. Turn to the right = the start gas flow is reduced • Turn to the left = the start gas flow is increased • Adjustment of start gas flow Adjustment of governor Bentone...
  • Page 24 Pressure taps 1, 3, 4, 5 Screwed sealing plug G 1/8 2 Measuring nozzles Electrical connection S 20/S 50 Bentone...

  • Page 25: Skeleton Diagrams, 1-Stage Burner

    5b Gas pressure switch, maxi Main valve 6b Safety valve Valve proving system Air pressure switch Gas burner control Pos. 5b, 7: Components not required according to EN 676. Required over 1200 kW according to EN 676. 172 515 04  2018-01-02 Bentone...

  • Page 26: Burner Service

    Turn on the main power and open the gas fl ow. Start burner and check/adjust combustion. Check gas tightness. When servicing/replacing components that aff ect combustion, fl ue gas analysis and soot test shall be carried out on the installation. 172 615 90 Bentone...

  • Page 27: Fan Motor And Fan Wheel

    Connect the motor’s electrical connection. Turn on the main power and open the gas fl ow. Start burner and check/adjust combustion. When servicing/replacing components that aff ect combustion, fl ue gas analysis and soot test shall be carried out on the installation. Bentone...

  • Page 28: Air Intake And Intake Cone

    Turn on the main power and open the gas fl ow. Start burner and check/adjust combustion. Check gas tightness. When servicing/replacing components that aff ect combustion, fl ue gas analysis and soot test shall be carried out on the installation. Bentone...

  • Page 29: Replacement Of Electrical Components

    Check motor shaft and bearings. If they are worn, replace the • motor or bearing. Use this screw hole for vibration sensor mounting. When servicing/replacing components that aff ect combustion, fl ue gas analysis and soot test shall be carried out on the installation. Bentone...

  • Page 30: Flame Monitoring And Ionisation Current Check

    Max. DC 16…40 µA, flame display Possible detector current approx. 100% Threshold values when flame is supervised by an ionization probe: - Start prevention (extraneous Intensity of flame (parameter 954) light) ≥18% Intensity of flame (parameter 954) - Operation >24% X10-05,2 172 615 57  2018-08-10 Bentone...

  • Page 31: Flame Detector Qrc

    Measuring circuit for detector current measurement terminal X10-05 LMV...  Legend: μA DC = DC-Mikroampèremeter an internal resistance of Ri = max. 5 kΩ µA DC bl = blue sw = black br = brown QRC1... 172 525 52-1  2022-01-03 Bentone...

  • Page 32: Burner Service Schedule, Gas

    Gas valve with seal testing 10 years Gas pressure switch 250,000 starts Safety blow-off system 10 years Damper motor 500,000 starts 10 years Contactor 500,000 starts The burner and its components must be recycled according to applicable regulations. 172 615 88  2021-11-07 Bentone...

  • Page 33: Electric Equipment

    Manual reset with remote reset (optional) The remote reset shall be installed with a cable connected from X1: 14 which goes to the remote reset switch and back to X1: 5. 172 615 93-1  2022-03-04 Bentone...

  • Page 34: Wiring Diagram

    Wiring diagram Bentone...
  • Page 35 M1 Motor S17 Gas pressure switch, VPS Solenoid valve 2 PT100 Sensor S30 Extern reset 6.2.2 Components, electrical cabinet Automatic control unit LMV Main switch Reset Display AZL Operating switch 0-I Fuse (automatic control unit) Connection block Regulator RWF Bentone...

  • Page 36: Regulator Rwf50

    Siemens RWF50.3 with analogue signal 4-20 mA. LMV37 • uses 4–20 mA. For information and operation of the regulator, see the enclosed manual. Connection of PT100 sensor Minimum cable area is 0.5 mm². X1:7 X1:8 blue X1:9 blue 172 525 56  2022-01-20 Bentone...

  • Page 37: Operation

    The actual value display (red) shows 9999 flashing. See chapter 11 What to do if ... in the enclosed manual. Manual control The setpoint display (green) shows HAnd flashing. See chapter 6.4 Manual control of a modulating burner in the enclosed manual. Bentone...

  • Page 38: Basic Display

    (factory-set) Enter Basic display Enter Enter User level OPr Editable: SP1 SP2 OP r Only display: InP Y PArA ConF Navigation principle Enter One level back One level down Setpoint reduce (factory-set) Enter >2 s Next/previous parameter or timeout Bentone...

  • Page 39: User Level

    Enter to confirm. Timeout Timeout after about 180 seconds. If the setpoint is not stored, the basic display changes after the timeout tout and the former setpoint is maintained. The value changes only within the permitted range. Bentone...

  • Page 40: Starting The Self-Setting Function

    Cancel Cancel with  + . When tUnE stops flashing, the self-setting function has been ended. The parameters calculated by the controller are automatically adopted! It is not possible to start tUnE in manual control or low- fire operation. Bentone...

  • Page 41: Parameterization Para

    See chapter 8.6 Display diSP in the enclosed manual. From the basic display, press Enter so that OPr appears. • Press so that PArA appears. • Press Enter so that the first parameter of the parameter level • is displayed. Bentone...
  • Page 42 (1P, 1N), parameter HYS1 must be set to 0 and parameters HYS2 and HYS3 must be set to their maximum values. Otherwise, for example, when using default parameter HYS1 (factory setting -5), the 3-position controller is only released when the control deviation reaches -5 K. Bentone...

  • Page 43: Configuration Conf

    Thermal shock protection: rAFC Enter Binary inputs: binF Display: diSP Only RWF50.3 Controller outputs: OutP Next/previous parameter See chapter 8.6 Display diSP in the enclosed manual. The following tables show the default settings in columns Value/selection and Description in bold printing. Bentone...

  • Page 44: Analog Input Inp1

    When the filter time constant is great: Great attenuation of interference signals Slow response of actual value display to changes of the actual value Low limit frequency (low-pass filter) Temperature unit Degrees Celsius Unit Degrees Fahrenheit Unit of temperatures Temperature unit Bentone...

  • Page 45: Controller Cntr

    -1999... Note! Upper working range If the setpoint with the respective hysteresis drops below the lower limit +9999 oLHi working range limit, the switch-off threshold is substituted by the Upper working range limit working range limit. Bentone...

  • Page 46: Thermal Shock Protection (Tss) Rafc

    SP1 is reached. Ramp limit Cooling controller: If the actual value lies above this limit value, the setpoint is approached in the form of a ramp until final setpoint SP1 is reached. Bentone...

  • Page 47: Control Outputs Outp

    101 = last output signal Value when out of range A value range of the output variable is assigned to a physical output -1999... Zero point OPnt signal 0... Zero point +9999 -1999... End value 100... End value +9999 Bentone...

  • Page 48: Binary Input Binf

    See chapter 5.4 Predefined setpoint in the enclosed manual. ConF  binF  Parameter Value/ Description selection Binary input No function bin1 Setpoint changeover Binary inputs Setpoint shift Changeover of operating mode Burner modulating: Contacts D1 and DG open Burner 2-stage: Contacts D1 and DG closed Bentone...

  • Page 49: Display Disp

    If the measured value drops again, the number of decimal places is increased until the programmed value is reached Locking of levels No locking Locking of configuration level CodE Locking of parameter level Locking of keyboard Bentone...

  • Page 50: Automatic Control Unit Lmv37

    Example: Modulating gas burner The system components (display and operating unit, actuators) are connected directly to the LMV37.4... basic unit. All safety-related digital inputs and outputs of the system are monitored by a contact feedback network. 172 525 55 Bentone...

  • Page 51: General Information

    6.3 AT (DIN EN 60127 2 / 5) Mains supply: Input current depending on the operating state of the unit Under voltage Safety shutdown from operating position at mains voltage LMV37.400A2 Approx. AC 186 V Restart on rise in mains voltage LMV37.400A2 Approx. AC 195 V Bentone...
  • Page 52 X9-04 pin 2/3 POC *) X5-02 pin 2/3 RAST plug Function / Outputs pin number X3-05 pin 1 X4-02 pin 2/3 X6-03 pin 2/3 X8-02 pin 1/3 X7-01 pin 2/3 X7-02 pin 2/3 X3-05 pin 2 Legend to the sequence diagrams Bentone...
  • Page 53 Postpurge time (t3) Evacuation of test space Atmospheric pressure test Filling of test space Gas pressure test Gas shortage waiting time Valve proving is performed depending on the parameter settings: Simultaneously with the prepurge time and/or the afterburn time. Bentone...
  • Page 54 Only with fuel train Lo and 2 fuel valves Parameter 223: Repetition limit value gas pressure switch- min in connection with gas shortage program parameter 246 (phase 90) Max. drop-in/response time for air pressure switch Alternative to valve proving Alternative to pressure switch-max (Pmax) or POC Bentone...
  • Page 55 0°/10% Position as supplied (0°) 90°/100% Actuator fully open (90°) Input/output signal 1 (ON) Input/output signal 0 (OFF) Input permissible signal 1 (ON) or 0 (OFF) Bentone...

  • Page 56: Connection And Internal Diagram

    Protection earth (PE) Supply for fuel meter Input fuel meter Shielding: For shielding the cables on the VSD, refer to: Siemens SED2 VSD Commissioning Manual (G5192), • chapters 4 and 7, or Danfoss Operation Manual VLT 6000 (MG60A703), • chapter Installation Bentone...
  • Page 57 Speed feedback signal Speed feedback signal Signal reference PWM speed output PWM speed output Signal reference DC 24 V external DC 24V external Controller input 4...20 mA Controller input 4...20 mA Power source Power source Controller Analog Analog Controller Bentone...

  • Page 58: Operation

    For changing to a higher menu level (press button for 3…8 s) • For changing the operating mode (press button for >8 s) • /reset - Enter in parameter setting mode - Reset in the event of fault - One menu level down Bentone...
  • Page 59 Figure 4: Meaning of display Fault status message Flame present Valve controlled Ignition controlled Fan motor controlled Oil preheater on Heat request from controllers Parameter setting mode Info mode Service mode h min s Actuator closing Actuator opening Unit of current display Bentone...

  • Page 60: List Of Phase Displays

    Postpurge time (t3) (abortion when load controller ON) Ph78 Ph80 Valve proving test evacuation time Ph81 Valve proving test time atmospheric pressure, atmospheric test Valve proving filling test, filling Ph82 Ph83 Valve proving time gas pressure, pressure test Ph90 Gas shortage waiting time Bentone...

  • Page 61: Automatic Control Unit Levels

    Change to Change to normal normal display display >3 s <8 s Info level /reset >3 s <8 s /reset or automatic return after Service level timeout of menu operation (parameter 127) >8 s >1 s Parameter level Parameter level Bentone...
  • Page 62 Basic unit Air-fuel ratio control curves (primary setting) /reset Bild 388e/1109 /reset Air-fuel ratio control /reset The following sections explain Actuator the operating philosophy behind the parameter levels using a number of examples. /reset Error histery /reset Process data Bentone...
  • Page 63 Number of faults Error history: 701-725.01.Code ex. 701. chronological error list index value of ndex Index list: 01 = error code 04 = error phase 05 = startup counter 02 = diagnostic code 06 = output 03 = error class Bentone...
  • Page 64 A to display CodE Press button combination When releasing the buttons, 7 bars appear the first of whishes. h min s Press to select a number or letter. h min s to confirm the value Press /reset Bentone...
  • Page 65 The next bar starts flashing. h min s Complete the rest of the password according to the principle described. Example: Password consisting of 4 characters. min s After entery of the last character the password must be confirmed by pressing /reset Bentone...

  • Page 66: Setting The Automatic Control Unit

    400 for initial commissioning and for setting air-fuel controll. Press /reset 201: appears flashing. h min s Press to go to the settings for air-fuel ratio control and parameter 201 for selecting the operating mode. Bentone...
  • Page 67 20 = gas modulating with pilot only when firing on gas (Gp1 mod fuel • active) 21 = gas modulating with pilot only when firing on gas (Gp2 mod fuel • active) 22 = oil modulating only when firing on oil (Lo mod fuel active) • Bentone...
  • Page 68 Select your setting by pressing one of the buttons to save the setting for parameter 542: VSD Press This manual describes /reset “0=VSD OFF” type burners. Press: to return to parameter level. To the next parameter Back to the previous parameter Bentone...
  • Page 69 The burner motor will then start and a number of phases in the automatic control unit are completed. If the switch on the burner is in the OFF position, the automatic control unit will not proceed from Ph12: Move the switch to the ON position to continue. Bentone...
  • Page 70 Phase Traveling to ignition position h min s Phase Preignition h min s Phase for first safety time (ignition transformer ON) h min s Phase for first safety time (ignition transformer OFF), preignition time OFF h min s Phase Interval 1 min s Bentone...
  • Page 71 The system can be run up to 100%. You can press to go to editing mode, enabling you to change /reset the maximum capacity. Adjust the setting downwards or upwards using the buttons Press to save the setting. /reset to return to parameter level. Press Bentone...
  • Page 72 Press Completing parameterization of the curve Back to the previous parameter h min s Press to exit parameter level. h min s The settings for air-fuel ratio control by the LMV37... are now completed. Bentone...
  • Page 73 Alterable lockout position. • After an off time of >24 hours. • In the event of a power failure (power-on). • In the event of shutdown due to an interruption of gas supply • (safety shutdown). Bentone...
  • Page 74 1 = activated (Factory settings marked with bold text). When the Purging in the lockout position function is used, the fan may only be powered via a contactor and must not be connected directly to LMV37.4 (X3-05 pin 1)! Bentone...
  • Page 75 400 for initial commissioning. Press /reset Identification of start for setting the curve parameters. h min s If, during the time the curve is parameterized, an error occurs which leads to safety shutdown, parameterization of the curve is quit. Bentone...
  • Page 76 /reset maximum capacity. Adjust the setting downwards or upwards using the buttons h min s Press to save the setting. /reset to return to parameter level. Press To the next parameter. Bentone...
  • Page 77 Adjust the setting downwards or upwards using the buttons h min s Press to save the setting. /reset to return to parameter level. Press h min s h min s The warm settings for LMV37... are now completed. Bentone...

  • Page 78: Backup And Restore

    To continue with the setting work, you need to log into service engineer level. See 5.3.4. After login is complete, continue with the setting work as shown below. for parameter level 000. Press Press /reset Display: Parameter 050, flashes, index 00, and value 0 do not. /reset Display: Parameter bAC_UP /reset Bentone...
  • Page 79 If an errror occurs during the backup process, a negativ value is displayed. For error diagnostics, the cause of the error can be determined from the diagnostic code of error message 137 (see Error code list) four times until the top menu is displayed. Press Bentone...
  • Page 80 After login is complete, continue with the setting work as shown below. for parameter level 000. Press Press /reset Display: Parameter 050, flashes, index 00, and value 0 do not. /reset Display: Parameter bAC_UP Press to select parameter rESstorE /reset Bentone...
  • Page 81 Press to select the restore process. /reset to shift the value in change mode 1 position to the left. Press Display: Value 1 flashes To detect potential dispalay errors, the value is displayed 1 place shifted to the left Bentone...

  • Page 82: Fault Status Message, Display Of Errors And Info

    The display shows current error code c: alternating with diagnostic code d: (refer to Flash code list). Example: Error code 4/diagnostic code 3 h min s for 1...3 s, rESEt appears on the display. When pressing /reset Bentone...
  • Page 83 SEr and then OPErAtE. For a list of parameters, see table 5.3.3. >5 s /reset h min s When the button is released, a change to info / service mode is made. >8 s /reset h min s Bentone...
  • Page 84 The unit initiates safety shutdown. The display shows current error code c: alternating with diagnostic code d:. h min s 1...3 second, to return to the normal display. Press /reset Example: Error code 12 / diagnostic code 0 h min s Bentone...
  • Page 85 Display: Parameter 701. flashes, index 01: and example value 201 does not. h min s Press 1...3 second to go to index 01: /reset Display: Parameter 701. does not flash, index 01: flashes, value 201 does not. h min s To the next index Back to the previous index. Bentone...
  • Page 86 /reset to go to display mode. Press /reset Display: Value 56 (number of startup) h min s Press to return to the index. Display: Parameter 701. does not flash, index 05: flashes, characters ._._ do not. h min s Bentone...
  • Page 87 To the next index Back to the previous index. When this display appears, you have reached the end of the error history. Display – End – appears flashing. h min s Press twice. HISt 700: for error history h min s Bentone...

  • Page 88: Dispaly Message Of Info

    OFF UPr. h min s 9.7.3 Safety loop A unit whose safety loop and / or burner flange contact is open, and a controller ON signal is present, displays OFF S. h min s Bentone...

  • Page 89: Resetting The Automatic Control Unit

    Select another burner type than the one already selected by pressing one of the buttons Confirm this selection with The automatic control unit is now reset. /reset h min s Restart the setting process for the LMV automatic control unit as specified in 3.2.1. Bentone...

  • Page 90: Manual Output

    LoAd 0.0 means Manually OFF. As long as the Manual OFF is active, OFF appears on the normal display flashing. To deactivate and to change to automatic operation, press for 3 seconds. Then OFF appears without flashing in the display. Bentone...
  • Page 91 Manually OFF must not be used just to put a burner out of operation when doing mounting work, or when the burner is not ready for operation. The safety notes contained in chapter Safety notes must be observed! Bentone...

  • Page 117: Handing Over Of The Installation

    Instruct the persons in charge of the operation on the service • and maintenance of the installation and what to do should any troubles occur. Inspection and service must be carried out by authorized • personnel. Review and service should be performed by authorised personnel only. 172 615 04-2 Bentone...

  • Page 118: Troubleshooting

    Burner control faulty Replace Air pressure gauge incorrectly set or faulty Check the settings and reset, or replace No acknowledgement signal due to incorrect Check the settings and realign. adjustment or misalignment of the control motor cams. 172 615 06  2018-01-10 Bentone...
  • Page 119 Incorrectly set or faulty air sensor. Check the settings and reset, or replace. Ignition electrode overload. Replace. Insulate for heat, Max. 60 °C. Burner control ambient temperature too high. Check the transformer. Ignition spark too weak. Bentone...
  • Page 120 Flame at incorrect angle due to combustion head out of position. Condensation build up in boiler and chimney: Flue gas temperature too low or gas volume too low. Raise the flue gas temperature by increasing gas volume Insulate the chimney. Bentone...

  • Page 121: Service- And Inspection Protocol

    14. Service- and inspection protocol Installation Boiler Efficiency kW: Name: Type: Address: Burner Efficiency kW: Type: Installed by: Date: Date gas/h Efficiency Governor Fluegas Ionisation Pressure temp current Fire Chimney room Measure- °C µ A ment Before After mbar mbar Small Flame Large Flame...
  • Page 122 EU Declaration of conformity Bentone Gas Burners Certificate No. Type Certificate No. Type CE-0123CT1269 BFG 1 CE-0123CT1326 BG 550 CE-0123CT1270 STG 120 CE-0123CT1337 BG 600 CE-0123CT1281 STG 146 CE-0123CT1348 BG 650 CE-0123CT1292 BG 300 CE-0123CT1359 BG 700 CE-0123CT1304 BG 400...
  • Page 124 Enertech AB. P.O Box 309, SE-341 26 Ljungby www.bentone.com...

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