DOMUSA TEKNIK BIOCLASS iC 150 Installation And Operating Instructions Manual
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DOMUSA TEKNIK BIOCLASS iC 150 Installation And Operating Instructions Manual

Biomass boiler
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BIOCLASS iC 150
Biomass boiler
EN
| INSTALLATION AND OPERATING INSTRUCTIONS

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Summary of Contents for DOMUSA TEKNIK BIOCLASS iC 150

  • Page 1 BIOCLASS iC 150 Biomass boiler | INSTALLATION AND OPERATING INSTRUCTIONS...
  • Page 3 Thank you for choosing a DOMUSA TEKNIK heating boiler. You have chosen the BIOCLASS iC 150 model from the DOMUSA TEKNIK product line. With a suitable hydraulic installation and with wood pellets for fuel, this boiler will provide the ideal level of comfort for your facilities.

  • Page 4: Table Of Contents

    (P.36) ..................44 ELECTION OF THE OXYGEN CONCENTRATION 14 HYDRAULIC CIRCUIT ADJUSTMENTS ..................45 14.1 P (P.42) ............. 45 CIRCULATION OF THE BUFFER TANK OR NEEDLE FEED PUMP 14.2 M (P.19) ................45 INIMUM FILLING PRESSURE OF THE INSTALLATION BIOCLASS iC 150...
  • Page 5 21.9 B ......................62 OILER WATER CHARACTERISTICS 22 DIAGRAMS AND MEASUREMENTS ................... 63 23 CONNECTIONS DIAGRAM ....................... 64 23.1 B ............................. 64 OILER 23.2 B ............................66 URNER 24 ELECTRICAL DIAGRAM ......................67 25 ALARM CODES ........................72 BIOCLASS iC 150...

  • Page 6: List Of Components

    1 LIST OF COMPONENTS 1. Pellets suction pot. 2. BioClass iC 150 Bioler. 3. Compressor ash deposit. 4. Pellet suction turbine. 5. Removable cover. 6. Pellet reserve tank. BIOCLASS iC 150...
  • Page 7 7. Exterior ash drawer. 12. Vent cleaning device. 8. Interior ash drawer. 13. Fan. 9. Burner. 14. Water pressure sensor. 10. Fuel feeder. 15. Boiler body. 11. Bulb sheath. BIOCLASS iC 150...
  • Page 8 "Standard" functioning. If you are adjustment. modifying any of the settings or browsing the menus, you may press the RESET button to exit the menu WITHOUT SAVING and return to the previous menu level. BIOCLASS iC 150...

  • Page 9: Installation Instructions

    It is necessary to respect the minimum distances to the surrounding components. a= min. 1000 mm. b= min. 700 mm. c= min. 700 mm. d= min. 1200 mm. e= min. 2500 mm. BIOCLASS iC 150...

  • Page 10: Hydraulic Installation

    2.3 Fuel The BIOCLASS iC 150 boiler must be fuelled by ENplus-A1, DIN PLUS certified wood pellet or equivalent. The DIN PLUS certificate assures that the fuel's humidity levels and calorific value are ideal for optimum boiler functioning.

  • Page 11: Mounting The Boiler

    3 MOUNTING THE BOILER DOMUSA TEKNIK shall supply, along with the boiler, the pellet burner, the reserve tank with the fuel suction system and the ash drawer. 3.1 Mounting the burner The burner and reserve tank can be mounted on either the left or right side of the boiler.
  • Page 12 If the burner is installed on the right side of the boiler the air inlet part from the burner must be changed: BIOCLASS iC 150...

  • Page 13: Mounting The Reserve Tank And Suction System

    The mounting of the reserve tank and suction system must be carried out on the same side as the burner. For the correct assembly of the reserve tank on the left side, carefully follow the assembly sequence described below: BIOCLASS iC 150...
  • Page 14 For the correct assembly of the reserve tank on the left side, carefully follow the assembly sequence described below: BIOCLASS iC 150...
  • Page 15 BIOCLASS iC 150...
  • Page 16 There is a ventilation slot on the rear of the reserve tank to prevent a vacuum from being created inside it. Do not cover this slot, and keep it free from any obstacles that could block it. NOT COVER BIOCLASS iC 150...
  • Page 17 Run a pipe from the main storage silo (intake A) to the boiler reserve tank and connect it to the cyclonic suction intake, (intake A) located on the rear part of the same. Run a pipe from the cyclonic air pipe (intake B) to intake B of the canvas silo or working nozzle. BIOCLASS iC 150...

  • Page 18: Mounting The Ash Drawer

    The boiler has a terminal strip CR (J6), prepared (see "Connection Diagram") for remote control of the boiler. IMPORTANT: When working on the electrical installation of the boiler, make sure that it is disconnected from the electrical network. BIOCLASS iC 150...

  • Page 19: Combustion Product Removal

    3.5 Combustion product removal The BioClass boiler is a BIOCLASS iC 150 biomass boiler and it is essential for it to be connected to a flue, i.e. a smoke duct able to create a pressure drop (which in this case should be between 0.10 and 0.20 mbar), in compliance with the applicable laws in this regard.

  • Page 20: Starting Up The Boiler

    Switching on the boiler with no water inside could result in serious damage. 4.4 Initial calibration of the fuel feeder The BioClass Ic 150 boiler is supplied from the factory with a fuel feeder, which should be “Assembly of the reserve tank” assembled inside the reserve tank, as indicated in section .

  • Page 21: Start-Up

    4.5 Start-up To ensure the validity of the guarantee is effective, the boiler must be started up by personnel authorised by DOMUSA TEKNIK. Before beginning the start-up process, the following must be complied with: The boiler must be plugged in to the mains.

  • Page 22: Digital Display

    5 DIGITAL DISPLAY: The BIOCLASS iC 150 boiler is equipped with a digital touch display for viewing and adjustment of the different boiler settings. The display has various display areas where different icons and numbers appear to indicate the different statuses of the boiler.
  • Page 23 Display of any value or parameter related to the temperature or operation of the buffer tank. Indication that you are browsing inside one of the electronic control menus. SET Indication that the parameter shown on the numerical display can be changed. BIOCLASS iC 150...

  • Page 24: Operation

    6 OPERATION The BIOCLASS iC 150 boiler is factory set to heat a buffer tank or a hydraulic needle. (see "Selecting the The desired setpoint temperature of the tank or hydraulic needle should be selected setpoint temperature of the tank or needle") .

  • Page 25: Operation With Buffer Tank

    When the boiler temperature exceeds 60ºC the feed pump for the buffer tank (Bbt) will start up to heat the buffer tank. The modulating burner of the BioClass iC 150 boiler will keep the water in the buffer tank at the selected temperature.

  • Page 26: Operation With Two Temperature Probes

    Scol probe) drops below the setpoint temperature selected minus the adjusted value in parameter P.43 (default setting 5ºC) the burner will start operating again to ensure the desired temperature in the upper part of the tank. BIOCLASS iC 150...

  • Page 27: Winter/Summer Mode

    In the summer service mode control is performed by the temperature probe (Scol). The operation is Operation with one temperature the same as that described in the section “ ”. In the winter service mode the operation is performed according to the number of probes connected in the boiler. BIOCLASS iC 150...

  • Page 28: Operation With Hydraulic Needle

    (Scol) temperature probe. The burner will start working to heat the water in the boiler. When the boiler temperature exceeds 60ºC the feed pump for the buffer tank (Bbt) will start up to heat the buffer tank. The modulating burner of the BioClass iC 150 boiler will keep the hydraulic needle at the selected temperature.

  • Page 29: User Menu

    Actual temperature of the buffer tank or needle (Scol). Actual average temperature of the buffer tank. Actual boiler temperature. Actual boiler water pressure, measured by the water pressure sensor. Boiler setpoint temperature active. BIOCLASS iC 150...

  • Page 30: Ash Deposit Status

    "-" in DHW (21) The display of notices is as shown below: : Ash deposit between 0 and 75 % full flashing: Ash deposit between 75 and 100% full. flashing: Ash deposit more than 100% full. BIOCLASS iC 150...

  • Page 31: Settings Menu

    IMPORTANT: It is strongly recommended that the user enables the "Ash deposit empty notice" to prevent a malfunction of the boiler due to early contamination and a fire. “Settings Menu” The following sections describe all parameters included in the BIOCLASS iC 150...

  • Page 32: Programming Process

    10.1 Programming process The BIOCLASS iC 150 boiler allows us to set the timer programming of the boiler. By default, if no programming adjustment has been made, the boiler will be supplied with the timer programming disabled, that is, the boiler will keep operating for 24 hours a day (showing on the relevant display the digits "- - - -").

  • Page 33: Empty Ash Box Notice

    Shown below are the default number of pellet tonnes at which the boiler notifies you to empty the ash drawer: Model BIOCLASS iC 150 7.0 Tn To set the value of this function, once the display "Empty the ash box "Settings Menu"...

  • Page 34: Anual Adjustment Of The Calibration

    SET will begin (21) flashing and using the symbols "+" or "-" of DHW we can set the desired value. The range of selected values is 1 - 5. BIOCLASS iC 150...

  • Page 35: Calibration Menu

    RESET to return to the previous display level without saving. These settings are listed in the table below: Parameter Display Draining the feeder Calibration of the feeder Manual adjustment of the calibration Manual ash cleaning Manual activation of pump Bbt BIOCLASS iC 150...

  • Page 36: Raining The Feeder

    15 minutes. The steps for correctly draining the feed auger are as follows: IMPORTANT: It is essential for the boiler feed auger to be drained on start-up and in the event that the reserve tank runs out of fuel. BIOCLASS iC 150...

  • Page 37: Alibration Of The Feeder

    This process must be carried out at least twice to ensure that the correct amount of fuel has been added. The steps for correctly calibrating the feed auger are as follows: IMPORTANT: It is essential that the boiler feeder is calibrated during start up. BIOCLASS iC 150...

  • Page 38: Alibration Of The Lambda Probe

    SET will begin flashing. Pressing the symbol again will start the calibration process. During the calibration process the signal will be displayed in mV from the lambda probe. When the calibration process is complete the value -7 mV will appear on the display. BIOCLASS iC 150...

  • Page 39: Technical Menu

    P.03 Maximum boiler power adjustment General fan factor P.04 This is only shown with the automatic fan adjustment switched off P.05 Fuel for ignition Fuel. P.06 This is only shown with the lambda combustion control switched off BIOCLASS iC 150...
  • Page 40 Only when P.20 = 3) P.22 Cycle time of the fuel suction system P.24 Reset default values P.25 Set access code Auxiliary adjustment setting of the burner P.26 cleaning interval Cascade sequence type P.29 Only active with the cascade module connected BIOCLASS iC 150...
  • Page 41 Lower temperature selection of the buffer tank Load status of the buffer tank for activating heat P.40 demand Load status of the buffer tank for disabling heat P.41 demand Post-circulation time of the buffer tank or needle P.42 feed pump. BIOCLASS iC 150...
  • Page 42 Using the symbols "+" or "-" from HCW we can adjust the value of each digit independently. The factory default access code is "1234". Parameter P.25 can be used to set a new desired access code. BIOCLASS iC 150...

  • Page 43: Configuring The Boiler

    P.01 = 150 => BIOCLASS iC 150 13.2 Set the boiler power (P.02, P.03) The BIOCLASS iC 150 boiler is configured to modulate its power between a minimum and maximum power. Parameters P.02 and P.03 may be used to set the minimum and maximum burner power.

  • Page 44: Temperature Maintenance Of The Boiler

    13.8 Selection of the oxygen concentration (P.36) Parameter P.36 can be used to set the target value of the oxygen concentration to maximum power boiler outlet. selectable range parameter P.36 – 10.0. The default factory value is 8.5%. BIOCLASS iC 150...

  • Page 45: Hydraulic Circuit Adjustments

    14.3 Selection of the minimum return temperature (P.37) The BioClass iC 150 boiler can have a kit installed to raise the boiler return temperature and is supplied optionally by DOMUSA TEKNIK Parameter P.37 can be used to set the minimum return temperature boiler.

  • Page 46: Operation Of The Pellet Aspiration System

    The adjustable time range is from a minimum of 35 seconds per cycle to a maximum of 195. Provided in the following sections are some guide values for cycle times recommended for various types of installations. BIOCLASS iC 150...

  • Page 47: Operation With Canvas Silo Or Suction Nozzle

    120 sec The figure below shows a functional diagram of the fuel suction system installed in combination with a DOMUSA TEKNIK canvas silo: NOTE: If the suction system is locked-out, this could mean there are insufficient pellets in the main silo, or that the pneumatic hose installation has become blocked or is defective.

  • Page 48: Additional Functions

    This input has no voltage. 16.2 Cycle time of the fuel suction system (P.22) The BIOCLASS iC 150 boiler includes the installation of a fuel aspiration system. Using the P.22 parameter, the activation cycle time of the system can be adjusted.

  • Page 49: External Alarm Input

    ("E-68”). 16.8 Operation of Alarm Output The BioClass iC 150 boiler includes an alarm output. When the boiler triggers an operating alarm that shuts down the boiler the relay output supplied with voltage (230 V~) from terminal strip J12, where any external alarm signalling device can be connected to warn of boiler malfunctioning.

  • Page 50: Functions Of The "Multifunction Relay

    17 FUNCTIONS OF THE “MULTIFUNCTION RELAY” (P.20) The BioClass iC 150 boiler is equipped with an auxiliary relay output which may be used to select a series of functions that increase the possibilities, features and comfort of the installation. "Technical Menu"...

  • Page 51: Safety Interlocks

    18 SAFETY INTERLOCKS The electronic control system of the BioClass iC 150 boiler may trigger the following safety interlocks to stop the boiler's operation. When any of these interlocks occurs, the boiler stops working and an alarm code appears on the display.

  • Page 52: Low Pressure Interlock

    (the valve is not supplied with the boiler). Connect a flexible tube to this valve and run it to a drain. After draining the boiler, close the valve again and remove the flexible tube. BIOCLASS iC 150...

  • Page 53: Boiler Maintenance

    21 BOILER MAINTENANCE Various maintenance operations should be carried out at different intervals to keep the boiler in perfect working order. The yearly operations must be carried out by personnel authorised by DOMUSA TEKNIK. 21.1 Boiler and flue maintenance frequencies...

  • Page 54: Cleaning The Ash Drawer

    IMPORTANT: Before any maintenance operation, switch off the boiler by pressing the power touch button. Leave the boiler switched off and allow it to cool down for at least one hour. Then turn off the main switch and ensure that it cannot be switched back on. BIOCLASS iC 150...

  • Page 55: Cleaning The Burner Combustion Chamber

    The burner must be cleaned regularly to prevent the premature build-up of dirt due to the accumulation of slag (solid combustion waste) adhered to the burner walls. The following procedure is recommended for correctly cleaning the burner: BIOCLASS iC 150...
  • Page 56 Leave the boiler switched off and allow it to cool down for at least one hour. Then turn off the main switch and ensure that it cannot be switched back on. Warning: To be carried out only when the boiler is switched off and cooled down • thermal gloves • mask • fire hazard • BIOCLASS iC 150...

  • Page 57: General Cleaning Of The Burner

    21.4 General cleaning of the burner The following procedure is recommended for correctly cleaning the burner: BIOCLASS iC 150...
  • Page 58 Then turn off the main switch and ensure that it cannot be switched back on. Warning: To be carried out only when the boiler is switched off and cooled down • thermal gloves • mask • fire hazard • BIOCLASS iC 150...

  • Page 59: Cleaning Of The Smoke Box And Lambda Probe

    IMPORTANT: Before any maintenance operation, switch off the boiler by pressing the power touch button. Leave the boiler switched off and allow it to cool down for at least one hour. Then turn off the main switch and ensure that it cannot be switched back on. BIOCLASS iC 150...

  • Page 60: General Cleaning Of The Vent Cleaning Circuit

    21.6 General cleaning of the vent cleaning circuit The following procedure is recommended for correctly cleaning the vents: BIOCLASS iC 150...

  • Page 61: Cleaning Of The Protection Grille And Inspection Of The Suction Unit

    You must remove the suction turbine and clean it using a vacuum cleaner or compressed air. The suction turbine motor has carbon brushes. Replace the brushes after using approximately 55 tonnes of pellets. BIOCLASS iC 150...

  • Page 62: Draining The Condensation Water

    The standardised ventilations where the boiler is situated (boiler room) must not be obstructed or partially obstructed under any circumstances. Boiler maintenance shall be carried out in accordance with the specifications in this manual. The apparatus must be visually inspected regularly to detect any leak or malfunction. BIOCLASS iC 150...

  • Page 63: Diagrams And Measurements

    22 DIAGRAMS AND MEASUREMENTS 1485 1585 1050 IC: Ida Boiler 2” H. RC: Boiler Return 2” H. SH: Fume outlet.V: Drainage outlet ¾” H. TP: Boiler drain valve outlet 1/2" BIOCLASS iC 150...

  • Page 64: Connections Diagram

    23 CONNECTIONS DIAGRAM 23.1 Boiler BIOCLASS iC 150...
  • Page 65 Remote Control Connector Fume sensor connector Sensor connector External alarm input connector J10: Return probe connector J11: BT intermediate probe connector J12: Components connector J13: Components connector J14: Components connector J20: Feed connector J21: Fuel aspiration system feed connector BIOCLASS iC 150...

  • Page 66: Burner

    : Limit switch closed. AI: Internal supply line : Limit switch open. : Fire resistance : Safety limit switch : Fire resistance 2. Qin: Burner input connector. SPA: Air pressure sensor. FR: Photocell. Spel: Pellet level sensor. BIOCLASS iC 150...

  • Page 67: Electrical Diagram

    24 ELECTRICAL DIAGRAM Neutral Phase ASP: Suction turbine Pellet filling level sensor Relay Communication connector J16: Components connector J17: Filling level sensor connector J18: Sensor connector BIOCLASS iC 150...
  • Page 68 BIOCLASS iC 150...
  • Page 69 Air pressure sensor ASP: Suction turbine Filling level sensor Communication connector J15: Connector J16: Components connector J17: Pellet filling level sensor connector J19: Feed connector J20: Feed connector J21: Fuel aspiration system feed connector S1,S2: Boiler model selector BIOCLASS iC 150...
  • Page 70 MODEL BIOCLASS iC 150 Rated heat output (P ‫ח‬ Performance at maximum power % (PCI) 92.1 Minimum output power (P 43.4 Performance at minimum power % (PCI) 94.1 CO at maximum power (10% O mg/m OGC (organic gaseous substances) at maximum...
  • Page 71 MODEL BIOCLASS iC 150 Rated heat output (P ‫ח‬ Performance at maximum power (Ƞ % (PCS) 85.1 Minimum output power (P Performance at minimum power (Ƞ % (PCS) 86.7 Supply mode Automatic * Condensing boiler Combination boiler Cogeneration boiler Wooden pellet Ø6 - Fuel 8 mm.

  • Page 72: Alarm Codes

    25 ALARM CODES The BIOCLASS iC 150 boiler is equipped with an electronic control that performs continuous self-testing to detect any boiler malfunctioning. When the electronic control detects a functioning error, this is indicated by an alarm code on the display. The following list includes the possible alarm codes:...
  • Page 73 Lock-out of the fuel suction system. there is no fuel clogged in any of the pneumatic piping. To unlock the alarm, press the RESET button on the boiler handle. If this alarm occurs repeatedly, please contact the nearest official Technical Assistance Service. BIOCLASS iC 150...
  • Page 74 Prolonged and Insufficient air depression in E-38 are correctly placed in the boiler. the furnace. If this alarm occurs repeatedly, please contact the nearest official Technical Assistance Service. BIOCLASS iC 150...
  • Page 75 The pellet level sensor has detected a pellet in the E-61 Detection of the burner pellet level sensor i pellet drop ramp of the burner. The boiler will perform safety interlock. BIOCLASS iC 150...
  • Page 76 If this alarm occurs repeatedly, please contact the nearest official Technical Assistance Service. Sensor Sbt2 connected to the cascade An Sbt2 has been connected to the boiler and will not E-87 system operate for the cascade system. BIOCLASS iC 150...
  • Page 77 NOTES: ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ BIOCLASS iC 150...
  • Page 78 NOTES: ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ BIOCLASS iC 150...
  • Page 79 NOTES: ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ BIOCLASS iC 150...
  • Page 80 Bº San Esteban, no number CDOC002320 03/03/21 20730 AZPEITIA 20737 ERREZIL (Gipuzkoa) Tel: +34 943 813 899 Fax: +34 943 815 666 www.domusateknik.com DOMUSA TEKNIK reserves the right to introduce, without prior notice, any change in the characteristics of its products.

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