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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. B1500423_en | Edition 07/09/2023...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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6.2.1 Behaviour of system after a power failure.................. 77 6.3 Extra cleaning of flue gas paths ......................77 6.4 Excessive temperature.......................... 79 6.5 Faults with fault message........................80 6.5.1 Procedure for fault messages ....................81 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
1 | General 1 General Thank you for choosing a quality product from Froling. The product features a state-of- the-art design and conforms to all currently applicable standards and testing guidelines. Please read and observe the documentation provided and always keep it close to the system for reference.
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
Observe the details on procedures for operation, maintenance and cleaning, as well as troubleshooting in the respective manuals. r Any work above and beyond this (e.g. servicing) must be carried out by a heating engineer approved by Fröling Heizkessel- und Behälterbau GesmbH or by Froling customer services WARNING...
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".
▪ 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!) B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
▪ Even when using the settings for dry fuel, burning wood briquettes can cause combustion problems. In such cases, repairs must be carried out by qualified staff. Please contact Froling customer services or your installer. 2.4.4 Non-permitted fuels The use of fuels other than those defined in the "Permitted fuels"...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
Keep all the doors on the boiler closed r Open all mixing valve taps, switch on all pumps. Ä The Froling heating circuit control takes on this function in automatic operation. r Leave the boiler room and close the door...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
▪ 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 and carbon monoxide detectors B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
Alternating operation An approved safety system (such as a flue gas thermostat) ensures (e.g. by switching off the power supply) that the boiler cannot be operated simultaneously with the air-drawing appliance. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
These systems offer no oxygen removal for the purposes of corrosion control as required by VDI 2035 and in the interests of corrosion protection should not be used. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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! B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
Take the following precautions: r Initial startup should be carried out with an authorised installer or with Froling customer services The individual steps for initial start-up are explained in the operating instructions for the controller NOTICE! See operating instructions for boiler controller!
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] B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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) B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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! B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
▪ 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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
"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!) B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
(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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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Tap the respective tab to carry out settings in the menus. Icon Status Temperatures Times Service General settings Solar heat meter B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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“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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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, …) B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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! B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
“automatic”. NOTICE! If this selection is not configured in the information display in the basic display, open the components in the system menu. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
(default: (default: 22:00 – 06:00) falls below the set 7°C) value, the heating circuit is activated (pump on, mixing valve regulated as per heating curve) B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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). B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
[} 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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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! B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
Take the following precautions: r Clean the boiler following the instructions in the instruction manual. Follow the boiler operating instructions. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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Close the door and try to pull out the sheets of paper Ä If the paper can be removed: door is not sealed properly and must be adjusted! B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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If the door will not close, move the locking cams forward slightly Ä Caution: The two locking cams (top and bottom) must be adjusted equally! r Tighten the lock nuts (M8) B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
The emission measurement carried out can also be used to draw conclusions about the combustion performance of the boiler. For this reason, FROLING offers a service agreement, which optimises operating safety. Please see the details in the accompanying guarantee certificate.
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
(1 heating day = 1 day during which the boiler to be measured is in operation) before the measurement. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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) B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
Servicing the system | 5 5.6 Replacement parts With Froling original replacement parts in your system, you are using parts that match perfectly. As the parts fit together so well, installation times are shortened and a long service life is maintained.
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
Adjust the air duct to the fuel Adjust the air duct to optimally burn fuels with a water content less than 15%. The flow of supply air is optimised using an air volume throttle plate (Froling item no. T244132). The following steps illustrate assembly.
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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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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. B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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 B1500423_en | Operating instructions Dual fuel boiler SP Dual compact...
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