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Summary of Contents for Enertech Nu-Way MG1190-LN T3D
- Page 1 Installation & Maintenance Manual MGN 1550 – 2000 LN T3D (MPA22) Gas Burner 11/12 Tel: +44 (0) 1905 794331 Fax: +44 (0) 1905 794017 Email: info@nu-way.co.uk Web: www.nu-way.co.uk...
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Page 2: Table Of Contents
Contents General information ....................... 3 Checking scope of delivery and connection data ............3 Maintenance and customer service ................3 Operating instructions....................3 Instruction of operating personnel ................. 3 Filter/Strainer ........................3 Key for code designation ....................4 Technical specifications....................4 Boiler connection dimensions ..................4 Installing the gas jacket on the boiler................5 Mounting the burner housing on the gas jacket (service position) .........5 Electrical connections .....................5... -
Page 3: General Information
1. General information Installation of a gas-fired heating system must be performed in accordance with the applicable regulations and guidelines. It is, therefore, the duty of the installation engineer to ensure that all regulations have been read carefully and understood. Installation, start-up and maintenance must be performed with utmost care. The burner must not be operated in rooms with high levels of air humidity (laundry rooms), dust or corrosive vapours. -
Page 4: Key For Code Designation
7. Key for code designation MGN 1190-LN LowNox Burner output max. Natural gas LL + E="N" Series 8. Technical specifications Burner type Technical data MG1190-LN T3D MG1550-LN T3D MG2000-LN T3D Min. burner output in kW Max. burner output in kW 1193 1550 2000... -
Page 5: Installing The Gas Jacket On The Boiler
10. Installing the gas jacket on the boiler The boiler connection plate has to be prepared in ac- Air-pressure cordance with the sizes as stated in Section connector 8. "Boiler connection dimensions". You can use the gas-jacket gasket as a template. Using an 8 mm socket-head wrench, secure the gas jacket to the boiler with the 4 M 12 securing screws and washers. - Page 6 Cover See Circuit diagram The cover has to be removed and set to the service po- sition in order to permit access to the control unit. Re- move the securing screws (1) and fold the cover down to the left. Two-stage or modulating operation Coding plug IMPORTANT !
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Page 7: Air Flap Positioning Motor
13. Air flap positioning motor The air flap positioning motor is designed for air flap adjust- ment on progressive two-stage burners or modulating burners. The motor is activated electronically via the microprocessor-controlled control box. Do not open the air flap positioning motor. The optics can become damaged irreparably. -
Page 8: Adjustment Of The Ignition Electrodes
17. Adjustment of the ignition electrodes The ignition electrodes are preset at the factory. 18 Flame control with KLC1000 Operating Indicator LED: LED is OFF: KLC is not switched on – no power supply or ‘no flame’ is detected. LED is FLASHING: KLC has detected a flame; the qual- ity of the flame signal is indicated by the intensity of the flashing of the LED –... -
Page 9: Control Unit Mpa 22
19. Control unit MPA 22 The MPA 22 is a microprocessor-controlled intermittent- duty control box for controlling and monitoring pneumatic modulating forced-air burners with an actuator drive. For operation as an automatic gas burner control with integral valve proving system. The MPA 22 has e-BUS connectivity. -
Page 10: Gas Train Kev Ii 1 ½" , Kev 2" And Kev Dn65
22. Gas train KEV 1 ½" , KEV 2" and KEV DN65 Installing the gas train Installation position only in horizontal line, not tilted. Minimum distance to walling 20 mm Screw the combustion chamber pressure measuring nipple into the gas jacket at the top (see "10 Mounting the gas jacket on the boiler"). -
Page 11: Gas Train Kev Dn65, Dn 80, Dn 100
23. Gas train KEV DN65, DN 80, DN 100 Installing the gas train Installation position only in horizontal line, not tilted. Minimum distance to walling 20 mm Screw the combustion chamber pressure measuring nipple into the gas jacket at the top (see "10 Mounting the gas jacket on the boiler"). -
Page 12: Adjustment Mode -Pneumatic Gas-Fired Operation
24. Adjustment mode - pneumatic gas-fired operation To enter this adjustment mode, the burner must be on standby. Standby means that the burner is connected to the power supply, but no heat- ing request has been issued. If OFF appears on the display on MPA 22, the unit is running in standby mode and has already been configured. - Page 13 Step 6: After you have set P9, press the plus key to set P1. 1Gas appears on the dis- 1GAS play. The min load operating point can be adjusted to values between 0° and 90 ° by holding down key 2 and optionally pressing the plus or minus key. For basic setting values, please refer to the adjustment table.
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Page 14: Calculation Principles For Gas Burner Adjustment
25. Calculation principles for gas burner adjustment The values given in the tables are setting values for start-up. The necessary system adjustment must be newly determined in each case. General: The calorofic value (H ) of fuel gasses is usually given for normal atmospheric conditions (0°C, 1013 mbar). -
Page 15: Adjustment Tables
26. Adjustment tables The values given in the tables are only setting values for start-up. The system settings required in each case must be redefined if values such as boiler output, calorific value and altitude deviate. A correction is required in any case. Boiler output Natural gas LL H = 9,3 [kWh/m... -
Page 16: Troubleshooting
27. Troubleshooting Defect determined: Cause: Remedy: Fault code Burner motor does not start Electric supply lead faulty Rectify faults in electrical installation Fuse faulty Replace Safety thermostat locked Unlock 42 h Temperature of controller setting is Renewed start attempt after temperature exceeded drop MPA 22 faulty... - Page 17 Service mode - pneumatic gas-fired operation The service mode serves to display the set parameters and to read out the fault memory. It can be invoked in any operating state of the burner. Important: setting values cannot be changed in service mode. If no key is pressed for longer than 20 sec., the display returns to standby mode.
- Page 18 Troubleshooting the MPA Code Description 04 h Internal hardware fault 05 h Internal hardware fault 06 h Internal hardware fault 07 h Internal hardware fault 09 h Internal hardware fault 10 h Internal hardware fault 11 h Internal hardware fault 12 h Internal hardware fault 13 h...
- Page 19 Code Description Internal hardware fault Internal hardware fault Internal hardware fault Internal hardware fault 63 h Internal hardware fault 64 h Internal hardware fault 65 h Internal hardware fault 67 h Internal hardware fault 68 h Incorrect feedback from air flap positioning drive (check connector and cable, actuator drive mounting and air flap mechanism) Air-flap actuator position is out of tolerance (check connector and cable, actuator drive mounting and air flap mechanism)
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Page 20: Adjustments Log
28. Adjustments log Please enter the measured values into the Adjustments log. Boiler type Gas fitting Measured values min. max. Date P0 (start point) P1 (min load) P9 (max load) Flue gas temperature °C Carbon dioxide (CO level) content CO level Flue mbar Nozzle pressure... -
Page 22: Overall Dimensions
Enertech Limited, P O Box 1, Vines Lane Droitwich, Worcestershire, WR9 8NA Tel: +44 (0) 1905 794331 Fax: +44 (0) 1905 794017 Email: info@nu-way.co.uk Web: www.nu-way.co.uk...
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