Fröling SP Dual compact Operating Instructions Manual
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Fröling SP Dual compact Operating Instructions Manual

Dual fuel boiler
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Operating instructions
Dual fuel boiler SP Dual compact
Translation of original German version of operating instructions for operators.
Read and follow all instructions and safety instructions.
All errors and omissions excepted.
B1500524_en | Edition 03/06/2024

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Summary of Contents for Fröling SP Dual compact

  • Page 1 Operating instructions Dual fuel boiler SP Dual compact Translation of original German version of operating instructions for operators. Read and follow all instructions and safety instructions. All errors and omissions excepted. B1500524_en | Edition 03/06/2024...

  • Page 2: Table Of Contents

    4.8.1 Overview of the touch display ....................35 4.8.2 Select information displays ......................41 4.8.3 Switch pellet unit ON/OFF ......................43 4.8.4 Change boiler mode........................44 4.8.5 Change date and time........................ 44 B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 3 6.2.1 Behaviour of system after a power failure.................. 78 6.3 Extra cleaning of flue gas paths ......................78 6.4 Excessive temperature.......................... 80 6.5 Faults with fault message........................81 6.5.1 Procedure for fault messages ....................82 B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 4: General

    Our sale and delivery conditions will be applicable. These conditions have been made available to customers, and customers have been made aware of them at the time of order completion. You can also find the guarantee conditions on the enclosed guarantee certificate. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 5: Sp Dual Compact Product Overview

    Lever of the heat exchanger cleaner (WOS system) Heat exchanger cover: maintenance opening for cleaning the WOS system and heat exchanger STL high-limit thermostat Service port Main switch Back insulating cover of firewood boiler B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 6: Safety

    The dangerous situation may occur and if measures are not observed it will lead to minor injuries. NOTICE The dangerous situation may occur and if measures are not observed it will lead to damage to property or pollution. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 7: Pictograms Used

    Warning of injury to fingers or hands, gear/chain drive hands, cutting edge Hand injury warning Warning of injury from being pulled into rotating shafts Increased CO concentration Slipping hazard warning warning B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 8: General Safety Information

    (such as spontaneous combustion of carbonisation gases or flash fires). Take the following precautions: r Optimum boiler performance can only be guaranteed if the flue gas system is functioning correctly. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 9: Permitted Uses

    Clean Air Act requirements. The Froling SP Dual compact 15 and SP Dual compact 20 have been recommended as suitable for use in smoke control areas when burning fuels as listed under "Permitted fuels".
  • Page 10 ▪ stack split wood and store in such a way that it is protected from the elements ▪ If possible, stock fuel for the day in a warm place (e.g. in boiler room) (pre-heats the fuel!) B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 11 General note: Before refilling the store, check for pellet dust and clean if necessary. TIP: Fit the Froling PST pellet deduster for separating the dust particles contained in the return air B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 12: Fuels Permitted Under Certain Conditions

    Only trained operators are permitted to operate the unit. The operator must also have read and understood the instructions in the documentation. 2.6 Protective equipment for operating staff You must ensure that staff have the protective equipment specified by accident prevention regulations! B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 13 Safety | 2 ▪ For operation, inspection and cleaning: - suitable work wear - protective gloves - sturdy shoes - dust mask B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 14: Safety Devices

    SAFETY VALVE (protection against overheating/excess pressure) When the boiler pressure reaches a maximum of 3 bar, the safety valve opens and the heated water is blown off in the form of steam. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 15: Residual Risks

    The boiler follows the shutdown procedure and switches to "Off“ mode r Allow the boiler to cool for at least 1 hour r Switch off the main switch and take precautions to prevent accidental switching on B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 16: Emergency Procedure

    Close the fire door and doors to living areas r Allow the fire to burn out completely and let the boiler cool Recommendation: Do not install smoke alarms and carbon monoxide detectors near the system. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 17: Power Failure / Induced Draught Fan Failure

    Emergency procedure in case of fire: r Leave the room in which the boiler is installed and close the doors r Press the on-site EMERGENCY STOP button r Inform the fire department B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 18: Notes For Operating A Heating System

    ▪ The system must be protected against gnawing and nesting by animals (such as rodents) ▪ No flammable materials in proximity to the system ▪ Observe national and regional regulations regarding the installation of smoke detectors and carbon monoxide detectors B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 19: Combustion Air

    Boiler in room air-dependent operation Air extraction system (such as centralised dust extraction system, room ventilation) Under-pressure monitoring system Combustion air supply from outside B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 20 The installation site must have a minimum volume in accordance with the applicable regional standards. Note on standards Austria: OIB Guideline 3 - Hygiene, health and environmental protection Germany: Model Firing Ordinance (MFeuV) B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 21: Domestic Hot Water

    1. For calculating the specific system volume, the smallest individual heating capacity is to be used for systems with several heat generators. 2. In systems with several heat generators with different specific water contents, the smallest specific water content is decisive in each case. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 22: Pressure Maintenance Systems

    If the pressure is too high, air is released by means of a solenoid valve. The systems are built solely with closed- diaphragm expansion tanks to prevent the damaging introduction of oxygen into the heating water. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 23: Return Lift

    NOTICE! Please see the technical data contained in the assembly instructions for further information about standards and regulations as well as the flue gas temperatures when clean and the other flue gas values! B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 24: Operating The System

    NOTICE If condensation escapes during the initial heat-up phase, this does not indicate a fault. r Tip: If this occurs, clean up using a cleaning rag. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 25: Notes On Filling The Fuel Stores

    Before filling check the store for fines and clean if necessary r Close all openings to the store to seal out dust r Fill the store with pellets Ä Only use permitted pellets! Ü "Permitted uses" [} 9] B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 26: Switching On The Power Supply

    For boilers with automatic WOS, the heat exchanger pipes are cleaned using “Cleaning” mode after each time it heats up. Manual WOS r Pull the lever of the cleaning system several times before heating up (up and down 5 – 10 times) B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 27: Reloading Intervals When Operating With Storage Tank

    Three or four bars in the store load status mean that the storage tank cannot take any more heat, or only a small amount. In this case do not add fuel! B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 28: Reload Quantity Calculation

    ▪ Hardwood Required reload quantity in kg, for example ▪ about 17 kg of firewood is needed to fully load a 2,000 l storage tank ▪ Sufficient heat available, do not heat/reload B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 29: Determining The Right Amount Of Fuel

    Energy required / energy content of fuel = amount of fuel 69.8 kWh / 3.8 kWh/kg = 18.4 kg Approx. 18.4 kg beech wood (w=20%) is required to heat a 2,000 litre storage tank from 50°C to 80°C. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 30: Reloading Intervals When Operating Without Storage Tank Or If The Storage Tank Is Too Small

    "constant burn" operating status (blower fan switches off) Ä The level of efficiency drops in constant burn mode, the emissions increase and the boiler can tar up (pitch formation!) B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 31: Filling The Boiler With Firewood

    (2) in the combustion chamber guard is no longer visible. An even layer of ash protects the combustion chamber and makes the heating-up process more efficient. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 32 Definition – small pieces of split firewood: ▪ Maximum length of 10 cm along the cut edge ▪ Arrange firewood with a length of approximately 50 cm lengthwise in the fuel loading chamber B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 33: Heat Up Firewood Manually

    Leave the fuel loading door open for approximately 5 minutes Ä A bed of embers forms Ä Wait for the message on the boiler display to close the pre-heating chamber door B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 34: Ignite Firewood With Pellet Unit Once

    NOTICE! In the case of daily ignition, if fuel is not replenished by the preset time the boiler cannot be started. NOTICE! See operating instructions for boiler controller for a detailed description. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 35: Operate The Boiler Using The Touch Display

    Display icons for using froeling-connect Ü "Display icons for froeling-connect/remote control" [} 37] Brightness sensor for automatically adjusting the brightness of the display Status LED to display the current system status B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 36 Opens quick menu. Selection of functions depending on user level, configuration and current status. Tap to change parameters (dropdown menu or numeric keypad) Opens system menu. Menu display depends on user level and configuration Back to higher menu level. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 37 Ä The connection status is displayed in the lower range (connected, deactivated, …) NOTICE! Consult the “froeling-connect” operating instructions for a detailed description of the connection status as well as troubleshooting B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 38 Tap the respective tab to carry out settings in the menus. Icon Status Temperatures Times Service General settings Solar heat meter B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 39 “Confirm” icon The time window set is saved for all selected days of the week. To delete a saved time window, tap on the “Recycle bin” icon next to it. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 40 Switching on for the first time: Setting the language, manufacturer’s number, date and time Connect: Setting parameters required for the boiler to use the “froeling-connect.com” (IP address, display password, …) B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 41: Select Information Displays

    System CPU/RAM capacity Display of the CPU and RAM capacity in percent 1. This selection merges two tiles together, reducing the maximum number of information displays! B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 42 When using more than two store sensors, it is possible to have an information display with storage tank temperatures in accordance with the number of sensors. An information display that spans two areas is used. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 43: Switch Pellet Unit On/Off

    Ignite firewood Ü "Ignite firewood with pellet unit once" [} 34] B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 44: Change Boiler Mode

    Tap on the displayed date and time to change the date and time in the basic display. Use the up and down arrows to adjust the settings and tap on the “Confirm” icon to save. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 45: Change Desired Dhw Tank Temperature

    “automatic”. NOTICE! If this selection is not configured in the information display in the basic display, open the components in the system menu. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 46: One-Time Extra Loading Of All Existing Dhw Tanks

    Outside air temperature, at which heating circuit If the outside air temperature difference rises pump switches off in heating mode (default: above the set value, the heating circuit is 18°C) deactivated. (Pump off, mixing valve closes) B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 47: Change Room Temperature (Heating Circuit Without Room Temperature Sensor)

    5°C, and never more than 3°C for a low temperature circuit. Once the changes have been made, wait a few days and assess comfort levels before carrying out additional changes. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 48: Change Room Temperature (Heating Circuit With Room Temperature Sensor)

    To cancel this function prematurely, activate another mode/function. Continuous The heating circuit is regulated to the set setback mode setback temperature until activation of another mode/function. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 49: Lock Display/Switch User Level

    20 characters are available for the name. r Navigate to the “System” menu and open the “Renaming” sub-menu r Tap the desired component and use the keyboard to rename it B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 50: Configure The Holiday Program

    Tap the “suitcase” icon to prematurely end the holiday program. The boiler then switches to the previously activated mode (“water tap” symbol = domestic hot water, “water tap/ radiator” symbol = automatic). B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 51: Switch The Boiler On/Off On The Room Console

    [} 37]), the boiler can be switched on and off on the room console. Boiler remote control deactivated Boiler remote control activated r Switch the boiler ON/OFF by tapping on the current operating status B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 52: Reloading Firewood

    Before turning off the main switch: r Switch boiler off by tapping “Boiler OFF” Ä The boiler follows the shutdown procedure and switches to "Off“ status after the cleaning cycle B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 53 Turn off the main switch Ä Boiler controller is switched off Ä There is no power supply to any of the boiler components NOTICE! Frost protection function is no longer active! B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 54: Boiler In Combi Mode

    Ä The boiler follows the shutdown program and switches to "Off" status Ä The combustion unit is switched off, the chamber discharge unit and the entire hydraulic system remain active B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 55: Checking The Ash Level In The Boiler

    Scrape the ash from the sides of the combustion chamber into the ash shovel using the furnace tool r Shovel the ash into the container provided Ä Use a fire-proof container with cover B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 56: Cleaning The Combustion Grate

    Push the locking lever down and pull out the ashcan r Hang the transport hook opposite the locking lever, take the ashcan to the emptying point and empty it B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 57: Servicing The System

    Take the following precautions: r Clean the boiler following the instructions in the instruction manual. Follow the boiler operating instructions. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 58: Required Tools

    Cleaning brush (80x60) for cleaning the heat exchanger Not included: Spanner or box wrench AF 10 Spanner or box wrench AF 13 Screwdriver set (Philips, flat head, Torx T20) Small brush or cleaning brush Ash vacuum B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 59: Maintenance Work By The Operator

    NOTICE! The vent cap (A) must be loose (screw on approx. two revolutions) to ensure correct functioning. The pellet unit comes equipped with a quick vent valve. This can be found behind the front insulated door. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 60: Periodic Inspection And Cleaning

    Using a hammer, carefully free the combustion condensate residues if necessary, in order to loosen the insulating apron r Using a suitable tool, move the insulating apron forwards or backwards B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 61 Wipe the flue gas temperature sensor with a clean cloth r Push in the flue gas temperature sensor until about 20 mm of the sensor remains protruding from the bushing and secure with fixing screw B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 62 Ä Depending on how the flue gas pipes and chimney draught are installed, adjust the cleaning intervals according to the degree of soiling Checking the draught controller flap r Check that the draught regulation damper moves freely and clean the flap bearing if necessary B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 63 Remove any ash which has gathered using an ash vacuum r Install the induced draught fan and induced draught cover plates r Plug in the connecting cable and secure with cable ties B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 64 Push the WOS lever down and remove it from the shaft r Remove both tube clips from the WOS stay tube r Pull the shaft forward and out r Remove the WOS turbulators together with the stay tube B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 65 Clean the WOS turbulators with a brush r Hook the turbulators into the linking plate, as shown r After cleaning, install all of the WOS components analogously in the reverse order B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 66 Move the hinge backwards Ü "Adjusting the doors" [} 67] Ä If a resistance is felt when there is a gap of 3 cm: Move the hinge plate forwards Ü "Adjusting the doors" [} 67] B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 67 IMPORTANT: Align the locking plate and hinge identically at the top and bottom r Once the doors have been adjusted, check them again for leaks, Ü "Checking the seal on the doors" [} 66] B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 68: Maintenance Of The Electrostatic Particle Separator In The Flue Gas Line (Optional)

    Check the entire exhaust duct before and after the electrostatic particle separator for contamination r If there are visible deposits larger than 5 mm, clean the flue gas line in accordance with the manufacturer's instructions for the electrostatic particle separator B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 69: Maintenance Work By Technicians

    Please be advised that, in Austria, commercial systems with a rated heat output of 50 kW or more must be regularly tested at yearly intervals in accordance with the Heating Plant Regulations (Feuerungsanlagen-Verordnung). B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 70: Checking And Cleaning The Combustion Grate

    Undo the screws on the top of the side panel and lift off the side panel r Undo the screws on the top of the rear panel and lift off the rear panel B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 71 NOTICE! Small cracks and slight deformations on the combustion grate are not indicative of a fault. The grate can be re-fitted after thorough cleaning. r Replace the combustion grate in the reverse order B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 72: Cleaning The Measurement Line Of The Underpressure Controller

    Carefully remove the Lambda probe (1), adapter (2) and plastic bushing (3) Ä Pay attention to the cables of the Lambda probe! r Carefully remove impurities from the measuring ports with a fine brush and ash vacuum B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 73: Emissions Measurement By Chimney Sweep Or Regulatory Body

    (1 heating day = 1 day during which the boiler to be measured is in operation) before the measurement. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 74: Starting The Emissions Measurement In Pellet Mode

    The combustion process must not be interrupted during the measurement Interruptions to the combustion process include: - Opening the boiler doors - Stoking the burning material - Switching off the ID fan (e.g. because of inadequate heat consumption) B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 75 Ä The ready-to-measure state is shown on the display Ä Regularly check the that the conditions are stable: - Boiler temperature > 70 °C - Flue gas temperature around 170 °C B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 76: Replacement Parts

    (e.g. AWG in Austria) r You can separate and clean recyclable materials and send them to a recycling centre. r The combustion chamber must be disposed of as builders' waste. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 77: Troubleshooting

    Unfasten the screws on the inspection cover and lift it off r Clean the carbonisation gas duct flap and flap guides and check that they run smoothly r Clean the entire area using a brush and ash vacuum B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 78: General Fault With Power Supply

    Caution: Before assembly, switch off the power to the boiler, ensure that it cannot be switched back on again and allow to cool! NOTICE! If you have any questions, please contact Froling customer services or your installer! B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 79 Undo the four screws on the base plate as shown r Fit the air volume throttle plate using the removed screws so that “SH W<15” can be seen in the top part r Fit the cover plate with servo-motor B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 80: Excessive Temperature

    Once the temperature falls below approx. 75°C, the STL can be reset mechanically. r Unscrew the cap on the STB (high-limit thermostat) r Unlock the STL by pressing with a screwdriver B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 81: Faults With Fault Message

    The boiler follows the shutdown procedure and remains in "Off" status until the problem is resolved. ALARM An alarm triggers a system emergency stop. The boiler shuts down immediately, the heating circuit controller and pumps remain active. B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...

  • Page 82: Procedure For Fault Messages

    Tap the Cancel icon again and confirm that you have read all of the errors to return to the basic display Ä The boiler is in the previously set mode B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 83 Notes B1500524_en | Operating instructions Dual fuel boiler SP Dual compact...
  • Page 84 Manufacturer’s address Froling srl Froling SARL Fröling Heizkessel- und Zweigniederlassung Behälterbau GesmbH Aschheim Industriestraße 12 Max-Planck-Straße 6 Via J. Ressel 2H 1, rue Kellermann A-4710 Grieskirchen 85609 Aschheim I-39100 Bolzano (BZ) F-67450 Mundolsheim +43 (0) 7248 606 0 +49 (0) 89 927 926 0 +39 (0) 471 060460 +33 (0) 388 193 269 info@froeling.com...

This manual is also suitable for:

Sp dual compact 15Sp dual compact 20

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