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Strebel Biotec 25, Instruction Booklet, Page: 23 / 32

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23 

Setting parameters 

Changes of parameters can be carried out  by pressing the 
buttons        and        together. Below is  a list of  parameters 
with the factory settings. 

 

The parameters can be changed by pressing        or .            
The setting is confirmed with the enter button         then  
the menu directs the user back to the basic display. 

 CONTROL PARAMETERS 

Summary of Contents for Biotec 25

Page 1: ...INSTRUCTION BOOKLET BIOTEC 25 AND BIOTEC 40 Version BIOTECHTS122013 ...

Page 2: ...2 ...

Page 3: ...tions and the original manufacturers in structions then the most stringent advice must apply Please note that it is a legal requirement under England and Wales Building Regulations that the installation of the boiler is either carried out under Local Authority Building Control approval or is installed by a Competent Person registered with a Government approved Competent Persons Scheme HETAS Ltd op...

Page 4: ...nces used to burn solid fuel in those areas other than authorised fuels have been exempted by an Order made and signed by the Secretary of State or Minister in the devolved administrations Further information on the requirements of the Clean Air Act can be found here http smokecontrol defra gov uk Your local authority is responsible for implementing the Clean Air Act 1993 including designation and...

Page 5: ... to be carried out by an electrician Text showing this sym bol give information about electrical matters Surfaces with high temperatures Touching hot surfaces can cause burns Surfaces marked with this symbol may only be touched when the system is fully cooled down Text pas sages with this symbol hold information relating to hot boiler parts DANGER Safety information 6 Technical data 7 Technical in...

Page 6: ...erials due account must be taken of the guidance on the separation of combustible material given in Building Regulations Approved Document J and also in these boiler instructions Fire hazard DANGER Hand Injury Asbestos This boiler contains no asbestos If there is a possi bility of disturbing any asbestos in the course of the installation then please seek specialist guidance and use appropriate pro...

Page 7: ...SURE PA ii 12 15 FLOW RETURN CONNECTION SIZE INCH 1 1 FLUE CONNECTION DIAMETER m m i 130 i 130 i MAXIMUM CAPACITY OF THE STANDARD PELLET HOPPER Kg 120 170 ELECTRICAL SUPPLY AMPERAGE 230V 50HZ MAX 1 AMP 230V 50HZ MAX 1 AMP WATTAGE DURING NORMAL OPERATION W 100 123 WATTAGE DURING IGNITION PHASE W 300 323 Biotec 25 Biotec 40 Data subject to change without notice TECHNICAL DATA i It will be necessary ...

Page 8: ...PER 870 1610 130 500 269 1132 1304 1380 40 1560 300LTR HOPPER 1104 1660 130 708 254 1301 1311 1608 It will be necessary to fit an adapter in the Flue pipe con nection to increase the Flue diameter to the required mini mum Flue diameter of 150 mm as previously stipulated to comply with U K regulations BIOTEC R1 R2 R3 Flow Return Vent Drain 25 1 40 1 Service Fill Clearances PLAN 500mm 700mm 700mm ST...

Page 9: ...ler 13 Exhaust flue pipe 14 Ash drawer 15 Heat exchanger cleaning system 16 Ignition system Function The pellets are conveyed from the silo 3 to the burn er 1 via the pellet screw 4 The ignition system 16 automatically ignites the pel lets during start up or after an operating pause The fan 8 supplies the burner with primary and sec ondary air The air ducts in the combustion chamber supply the cor...

Page 10: ...PORT MIXING VALVE for maintained return temperature EXPANSION VESSEL SEALED SYSTEM The installer must fit a cold water supply 1 2 connection and comply fully with regulations in force A certified safety valve not exceeding 2 5 bar must be installed in the heating system The safety valve sizing should be to current regula tions Do not install other valves between the safety valve and boiler The wat...

Page 11: ...ration DHW Fill Use STREBEL SEALED SYSTEM The installer must fit a cold water supply 1 2 connection and comply fully with regulations in force THERMAL VALVE COLD WATER SUPPLY TO REGULATIONS A certified safety valve not exceeding 2 5 bar must be installed in the heating system The safety valve sizing should be to current regula tions Do not install other valves between the safety valve and boiler T...

Page 12: ...REGULATIONS STREBEL SEALED SYSTEM Maximum system resistance 22Kpa 3 Port diverting valve with actuator All con trol by others The installer must fit a cold water supply 1 2 connection and comply fully with regulations in force A certified safety valve not exceeding 2 5 bar must be installed in the heating system The safety valve sizing should be to current regula tions Do not install other valves ...

Page 13: ...006 95 EC EMC2004 108 EC General standards EN 303 5 1999 EN 60204 1 2006 EN 60335 1 2002 EN 50165 1997 A1 EN 61000 6 3 2001 EN ISO 12100 1 2003 EN ISO 12100 2 2003 EN 1050 1997 Other standards and technical specifications EN 287 1 2004 EN 288 3 1992 EN 10204 2004 EN ISO 7000 2004 Testing method conformity Module B1 Limit of Emission combustion products class 3 Certificates EC Control Type Certific...

Page 14: ...designed for the combustion of wood pellets The use of other fuels is prohibited Wood pellets are cylindrical and made from wood without additives or chemical binders The pellets must have specific dimensions as below and a low moisture level STREBEL recommends pellets with a diameter of 6 to 8 mm and length of 10 to 30 mm to DIN ENplus A1 as referred to in EN 14961 2 A1 More information on page 2...

Page 15: ...onnections A draught stabiliser should be fitted in the chim ney above the Boiler flue pipe connection Fit ting of a draught stabiliser will affect the require ment for the permanent air supply into the room in which the boiler is fitted in accordance with Approved Document J see also combustion air supply Adequate provision e g easily accessible soot door or doors must be provided for sweeping th...

Page 16: ... use of soft water 10 The circulation pump must not operate before the heating system is completely filled with water The system must be completely bled of air 11 When connecting the boiler to the flue it is necessary to make sure that all connections are sealed properly Before starting up the boiler check the fol lowing 1 The water pressure in the boiler and system is adequate and the expansion v...

Page 17: ...50HZ 50W FAN 230V 50HZ 41W IGNITION DEVICE 230V 50HZ 400W BOILER RETURN LIFTING 230V 50HZ 400W DHW PRIMARY PUMP 230V 50HZ 400W HEATING PUMP 230V 50HZ 400W ROOM STAT OR ON OFF CONTROL POWER SUPPLY 230 V AC 50HZ 13 AMP TERMINAL CONNECTIONS Risk of electric shock ...

Page 18: ... repairable Injury could result from non observation of this manual and general health and safety rules This manual lists many items that should be checked before commissioning Commissioning the Biotec Boiler Precautions for the first commissioning 1 Check if the red main switch is off 2 Disconnect the boiler from the power supply 3 Check that the following parts are installed profession ally and ...

Page 19: ...lay shows FAILED IGNITION Combustion phase During combustion phase the pellet and air supply are regu lated based on the parameter settings The controller aims for the boiler to increase the temperature up to the Maximum boiler temperature when this is reached the boiler slowly reduces its output to prevent repeated turning off and on The boiler shifts to pause mode when the temperature reach es t...

Page 20: ...n system relay 8A NO Pellet auger relay 5A NO Fan PWM Legend 1 Time 2 Boiler operation 3 DHW temperature 4 Fan activated 5 Pump 6 Pellet auger 7 Ignition system 8 Boiler pump 9 Pre set power output 10 Flue gas temperature 11 Current set boiler temperature 12 Program 13 Boiler operation phase EXPLANATION OF THE DISPLAY legend 13 Boiler operational phase information about the current phase of boiler...

Page 21: ... ad justable position the seconds cannot be set Con tinue as above to make the desired changes When all positions are set the user returns to the basic display To escape the setting without making changes press the escape button Automatic operation To set the hours of operation for the automatic operation press the button for about 2 seconds The weekday can be selected by press ing or To change th...

Page 22: ...ATURE SET POINT PARALLEL OPERATION HWS PRIORITY HOT WATER HEATING ONLY Operation parameters The following parameters are relevant for boiler operation pellet combustion and flue gas temperature The parame ters are set by the technician before commissioning The operation parameters are displayed by pressing the button in the basic display Press the buttons or to set the value for the select ed para...

Page 23: ...t by pressing the buttons and together Below is a list of parameters with the factory settings The parameters can be changed by pressing or The setting is confirmed with the enter button then the menu directs the user back to the basic display CONTROL PARAMETERS ...

Page 24: ...24 The parameters can be changed by pressing or The setting is confirmed with the enter button then the menu directs the user back to the basic display Start on page 20 CONTROL PARAMETERS ...

Page 25: ...onfirmed with the enter button then the menu directs the user back to the basic display The asterisk is displayed when DHW is present Start on page 20 Temperature difference between heat store boiler Heat store probe adjustment DHW temperature CONTROL PARAMETERS P2 ...

Page 26: ...ed with the cleaning tool when the system is cooled down As above pull out the probes remove soot and debris Clean the pellet silo Clean the display Components Action Required When cleaning the combustion chamber with a vacuum cleaner the ash inside must be allowed to cool down to prevent accidents When removing the front brick of the burner there is a risk of a burn injury Wait for the brick to f...

Page 27: ...27 System dirty 3 The refractory bricks in the combus tion chamber are misaligned Possible faults POSSIBLE FAULTS ...

Page 28: ...value of 2 kg pellets complies with the energy of 1 l light heating oil 10 kWh Comply DIN 51731 STREBEL recommends pellets with a diameter of 6 to 8 mm and length of 10 to 30 mm to DIN ENplus A1 as referred in EN 14961 2 A1 Fuel PELLET INFORMATION Strebel Biotec boilers require fuels complying to ENplus A1 SPECIALIST UK FUEL PROVIDER ...

Page 29: ...iler is installed complying with national and local regulations the used pellet quality conforms with the standards stat ed in this manual 12 3 The guarantee is invalid if the boiler heating system and flue gas system is designed incorrectly the installation and commissioning was not carried out by an approved person the repair and maintenance was not carried out by an approved person The Warranty...

Page 30: ...boilers commissioning and handover the installer should have shown you how to operate the boiler correctly Do not light the boiler if there is a possibility that any part of the heating system may be frozen Please make sure that the ash pit door Boiler flue and combustion chamber doors the hopper lid charging door and flue cleaning doors are firmly closed at all times whilst the boiler is in opera...

Page 31: ... chimney fire does not go out when the above action is taken then the fire brigade should be called immediately Do not relight the boiler until the chimney and flue way have been cleaned and examined by a professional Permanent air vent The boiler requires a permanent and adequate air supply in order for it to operate safely and efficiently In accordance with current Building Regulations the insta...

Page 32: ...32 Strebel will not be liable for Typographical and printing errors changes in construction and dimensions which are stated throughout this manual ...

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