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Mareli Systems LCG Lambda 22 Assembly And Exploitation Manual

Wood gasification boiler
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Mareli Systems
S T E P F O R W A R D
LCG Lambda 22 / 32 / 40 / 50 KW
WOOD GASIFICATION BOILER
Assembly and exploitation manual

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Summary of Contents for Mareli Systems LCG Lambda 22

  • Page 1 Mareli Systems S T E P F O R W A R D LCG Lambda 22 / 32 / 40 / 50 KW WOOD GASIFICATION BOILER Assembly and exploitation manual...
  • Page 2 Observing the prescriptions of the present manual is in the user’s favour and is one of the warranty conditions. Compliance with this instruction is in the interest of the con- sumer and one of the warranty terms. These instructions are an integral part of this product. All rights reserved. Reproduction of content of this document and transfer to third parties is not allowed without written approval from manufacturer.

  • Page 3: Technical Data

    TECHNICAL DATA LCG Lambda Nominal heat output (kW) Heat output range (kW) 11-22 16-32 20-40 25-50 Boiler class EN 303-5:2021 Required chimney underpressure (Pa) Water amount in boiler Exhaust gas temperature at nominal heat output Exhaust gas temperature at minimal heat output Minimum operating time at rated power (nominal Q ) (h) Min.
  • Page 4 G 1-1/2” G 1-1/2” G 3/4”...
  • Page 5 (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 1284 1380 Ø149 1190 1334 1380 Ø149 1190 1404 1380 Ø149 1190 1404 1530 Ø149 1340 1103...
  • Page 7 POWER SUPPLY GROUND PUMP GROUND LOW BUFFER HIGH BUFFER...
  • Page 11 STS thermal safety valve pass- Digital boiler display through connections Flue gas tube cleaning lever Cable routing canal Front main door Water outlet Upper boiler door Exhaust fan Middle boiler door Exhaust temperature sensor Lower boiler door Drainage valve Pellet reservoir for automatic Water inlet ignition Motor for secondary air regulator...

  • Page 12: General Information

    1. GENERAL INFORMATION Steel boilers LCG Lambda, with an rated thermal output 22, 32, 40 and 50 kW are constructed for wood firing and aimed for heating of small and middle sized premises. Due to the applied wood gasification principle, wood is totally burned. Widely sized combustion chamber enables the firing with wood pieces of 600 mm.
  • Page 13 The maximum wood length is 60 cm. Fuel: wood having moisture content to 20% (max. 25%). This demand for moisture content is fulfilled with wood dried on air at least 12 months.
  • Page 14 2. POSITIONING AND ASSEMBLY The installation of the boiler has to be carried out by the authorized person. We suggest the boiler to be installed on the solid concrete basis, which height is between 50-100 mm. The boiler room has to be absolutely protected from freezing and properly ventilated.

  • Page 15: Connection To The Chimney

    3. CONNECTION TO THE CHIMNEY Properly calibrated and built chimney is the precondition for a safe operation of the boiler and eco- nomic heating. The chimney has to be well insulated, gas-proof and smooth. On the lower part of the chimney, a cleaning door has to be built in. Brick layed chimney has to have 3 layers with an stone wool thermal insulation in the middle.
  • Page 16 FRESH AIR OPENING Each boiler room must be equipped with an opening for supply of make up air which is dimensioned in accordance with boiler output (minimum opening area according to the below shown equation). Such opening must be protected with a net or grate. All installation works have to be performed in accordance with valid national and European standards.
  • Page 17 Example scheme 1 for boiler instalation on closed central heating system with return flow protection with thermic valve (group) b b a a r r Example scheme 2 for boiler instalation on open central heating system with return flow protection with thermic valve (group) above the highest heating body...
  • Page 18 LCG LAMBDA BOILER Water storage tank Boiler pump Return flow protection 3-way thermic valve (min. temp 60°C) or 3-way mixing valve with motor drive (protection valve) Expansion vessel for closed heating systems (approx. 10% of the total volume of installation) Open expansion vessel for open heating systems (approx.

  • Page 19: Boiler Thermal Protection

    BOILER THERMAL PROTECTION According to European EN standards, boiler thermal protection must be installed in closed heating system. Boiler is factory prepared for installation of thermal protection. IMPORTANT: In case of any damage of boiler installed in the closed heating system due to its overheating, and boiler or system are not equipped with any thermal protection at all, or do not have properly installed thermal protection, guarantee will not be applied.

  • Page 20: Ignition Procedure

    5. IGNITION PROCEDURE...
  • Page 21 Swipe to Ignite...
  • Page 22 • Open the top and middle doors. • Check the ash level in the combustion chamber and empty if necessary. It is recommended that you do not remove the ash in the combustion chamber during each heating-up process, but rather when the middle row of holes of the combustion chamber guards is no longer visible.
  • Page 23 6. CLEANING AND MAINTENANCE OF THE BOILER Protective gloves must be used. Ash remaining in boiler after solid fuel firing should be disposed into metal containers with a cover. As through the wood gasification principle the fuel burns out totally, the cleaning of the boiler is limited to the upper and lower combustion chamber once in a week and the cleaning of flue gas tubes on the back side of the boiler is necessary only after the heating season, i.e.
  • Page 25 BEFORE EACH IGNITION Before every ignition is necessary to clean the main combustion chamber from the ash. Use the special cleaning tool for this purpose.
  • Page 26 5.1 BEFORE REFILLING OF FUEL / BEFORE IGNITION For flue gas tubes cleaning, it is necessary to pull lever left to right a few times. 5.2 AT LEAST ONCE PER YEAR Cleaning of area over heat exchanger pipes with turbulators. 1 - Switch off the boiler and disconnect from power.
  • Page 27 BEFORE EACH IGNITION Before every ignition is necessary to inspect the primary air canals openings. They must always be clear of all residue. A small layer of ash and unburned coals inside the boiler, does not pose any issues. On the contrary, if a small layer of ash is left after cleaning, it will protect the components in contact with the fire, as ash is an insulator.
  • Page 28 K400 TOUCH SCREEN DISPLAY 1. HOMEPAGE Date & Time Errors Code 11:24 Fri 14 Oct 2016 Er.01 21° Main Temperature IGNITION Functioning State 65° Main Thermostat ON/OFF Settings Display Info Chrono...
  • Page 29 Main Commands In order to go to Homepage 2 a horizontal swipe must be performed to the right side of the screen. 12:18 Fri 14 Oct 2016 Er.01 Igniter Auger Pump 1 Pump 2 Pump 3 Aux1 Aux1 Aux3 System activity LEDS The Quick visualization of the system main function is accessed through a vertical swipe to the top side of the screen.

  • Page 30: Error List

    Quick visualization of the system main function 2. ERROR LIST 12:18 Fri 14 Oct 2016 Blocking or non-blocking error Er.01 21° is highlighted with a and the related error code. When pressed the error window opens IGNITION 65° Error List By clicking on ( ) you can see the errors stored by date / time...

  • Page 31: Main Commands

    IGNITION Blocking / Removing Error 65° 4. MAIN COMMANDS 11:24 Ven 14 Ott 2016 Er.01 ON/OFF Menu Screen image : Swipe to Ignite • System power ON • System power OFF IGNITION • Alarms reset 65° 11:24 Ven 14 Ott 2016 Er.01 Display Menu Display Menu...
  • Page 32 IGNITION 65° 5. CHRONO 12:18 Ven 14 Ott 2016 Er52 Chrono - Daily CHRONO 22° select desired CHRONO program, press on the respective tabs: • Daily • Weekly RECUPERO ACCENSIONE DAILY WEEKLY WEEKEND • Weekend. 28° To change the chrono program, press on .
  • Page 33 5. INTERNAL MENU STRUCTURE From the display Menu the user can access the panel settings and select one of 24 languages Brightness. Minimum brightness: this function allows you to choose the minimum brightness level which the device automatically sets to after 30 sec. of inactivity. Standby display: if enabled, this function will set the screen to standby after 1 minute of inactivity.
  • Page 34 Errors Er03 - Low Exhaust flue gas temperature Er04 - Water Over-temperature Er05 - Exhaust flue gas Over-temperature Er07 - Error Encoder. The error can occur for lack of Encoder signal Er08 - Error Encoder. The error can occur for problems in the regulation of the number of revolutions Er11 - Clock Error The error occurs for problems with the internal clock Er12...
  • Page 35 POWER CABLE IN13 COMBUSTION IN12 IN11 IN10 LOW BUFFER PROBE IGNITER HIGH BUFFER PROBE ENCODER BOILER PROBE N.C. N.O. DOOR SENSOR PUMP EXHAUST PROBE N.O. DISPLAY +24V PRIMARY +Vprog Vout +24V SECONDARY +Vprog Vout...
  • Page 36 BOILER PROBE N.C. N.O. DOOR SENSOR PUMP EXHAUST PROBE N.O. DISPLAY +24V PRIMARY +Vprog Vout +24V SECONDARY +Vprog Vout...
  • Page 40 MARELI SYSTEMS disclaims any responsibility for possible inaccuracies contained in this manu- al if they are due to printing or transcription errors. We reserve the right to make any change that appears to be necessary or useful without harm the essential characteristics.

This manual is also suitable for:

Lcg lambda 32Lcg lambda 40Lcg lambda 50

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