Operating Instructions Dual fuel boiler SP Dual compact Translation of the original German operating instructions for the operator Read and follow the instructions and safety information! Technical changes, typographical errors and omissions reserved! B1500016_en | Edition 13/07/2016 Fröling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com...
Contents Contents General SP Dual compact Product Overview Safety Hazard levels of warnings Pictograms used General safety information Permitted uses 2.4.1 The Clean Air Act 1993 and Smoke Control Areas 2.4.2 Permitted fuels Firewood Wood pellets 2.4.3 Fuels permitted under certain conditions Wood briquettes 2.4.4...
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Excessive temperature Faults with fault message - key control 5.4.1 Troubleshooting Procedure for fault messages Faults with fault message - touch control 5.5.1 Troubleshooting Procedure for fault messages Acknowledging a fault message Appendix Addresses Operating Instructions SP Dual compact | B1500016_en...
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.
General SP Dual compact Product Overview 1.1 SP Dual compact Product Overview Firewood boiler insulated door Maintenance overview for firewood boiler Firewood boiler fuel loading door Firewood boiler combustion chamber door with inspection glass Pellet unit insulating door Pellet unit ash drawer...
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- GREEN flashing: AUTOMATIC MODE DEACTIVATED / OFF - ORANGE flashing: WARNING - RED flashing: ERROR or ALARM Brightness sensor for automatically adjusting the brightness of the display USB port for connecting a USB stick for software updates Operating Instructions SP Dual compact | B1500016_en...
Safety Hazard levels of warnings 2 Safety 2.1 Hazard levels of warnings This documentation uses warnings with the following hazard levels to indicate direct hazards and important safety instructions: DANGER The dangerous situation is imminent and if measures are not observed it will lead to serious injury or death.
Warning of injury to fingers or 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 Operating Instructions SP Dual compact | B1500016_en...
❒ Optimum boiler performance can only be guaranteed if the flue gas system is functioning correctly. 2.4 Permitted uses The Froling Dual fuel boiler SP Dual compact is designed solely for heating domestic water. Only use fuels specified in the "Permitted fuels" section. ⇨ See "Permitted fuels" [page 12]...
Your local authority is responsible for implementing the Clean Air Act 1993 including designation and supervision of smoke control areas and you can contact them for details of Clean Air Act requirements. Operating Instructions SP Dual compact | B1500016_en...
NOTICE! Use fuels that are consistent in size and water content. NOTICE! Burning extremely dry fuels (w < 15%) may require repairs by qualified staff. Please contact Froling customer services or your installer. Wood pellets Wood pellets made from natural wood with a diameter of 6 mm Note on standards Fuel acc.
▪ 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. Operating Instructions SP Dual compact | B1500016_en...
Safety Permitted uses 2.4.4 Non-permitted fuels The use of fuels not defined in the "Permitted fuels" section, and particularly the burning of refuse, is not permitted. CAUTION In case of use of non-permitted fuels: Burning non-permitted fuels increases the cleaning requirements and leads to a build-up of aggressive sedimentation and condensation, which can damage the boiler and also invalidates the guarantee.
▪ Damage due to impurities in combustion air. Do not use any solvents or cleaning agents containing chlorine in the room where the boiler is installed. ▪ Keep the air suction opening of the boiler free from dust. Operating Instructions SP Dual compact | B1500016_en...
Safety Design information Ventilation of the boiler room Ventilation air for the boiler room should be taken from and expelled directly outside, and the openings and air ducts should be designed to prevent weather conditions (foliage, snowdrifts, etc.) from obstructing the air flow. Unless otherwise specified in the applicable building regulations for the boiler room, the following standards apply to the design and dimensions of the air ducts: Note on standards...
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! Operating Instructions SP Dual compact | B1500016_en...
Safety Safety Devices 2.8 Safety Devices key control (switches off the boiler to prevent overheating) STANDBY KEY ❒ Press the standby key ➥ Automatic mode is switched off ➥ Control system follows the boiler shutdown procedure ➥ The pumps continue to run touch control (switches off the boiler to prevent overheating) BOILER OFF...
Non-standard fuels can cause serious faults in combustion (e.g. spontaneous combustion of carbonisation gases / flash fires) which can lead to serious accidents! Take the following precautions: ❒ Only use fuels specified in the "Permitted fuels" section of these operating instructions. Operating Instructions SP Dual compact | B1500016_en...
❒ Keep all the doors on the boiler closed ❒ Open all mixing valve taps, switch on all pumps. ➥ The Froling heating circuit control performs this function in automatic operation. ❒ Leave the boiler room and close the door ❒...
In case of fire in the system: Risk of death by fire and poisonous gases Emergency procedure in case of fire: ❒ Leave the boiler room ❒ Close the doors ❒ Inform the fire department Operating Instructions SP Dual compact | B1500016_en...
Take the following precautions: ❒ 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...
Slick surfaces in the fuel store present a slipping hazard! Unauthorised access prohibited! Keep children away! Keep the fuel store locked and store the key in a safe place! No fire, open flames or smoking in the store! Operating Instructions SP Dual compact | B1500016_en...
Operating the system Heating up the boiler 3.3 Heating up the boiler NOTICE Do not modify the factory settings! Changing the system's factory settings can be detrimental to efficiency and emissions of the system. 3.3.1 Switching on the power supply ❒...
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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 2000 litre storage tank from 50 °C to 80 °C. Operating Instructions SP Dual compact | B1500016_en...
Operating the system Heating up the boiler Fuel table The table below shows a selection of wood types with the corresponding energy content depending on the water content: Wood type Energy content with water content [kWh/kg] w = 15% w = 20% w = 25% Spruce Pine...
❒ Place some scrunched-up paper at the front against the fuel loading door ❒ Cover the first layer of firewood with cardboard ❒ Fill the fuel loading chamber in accordance with the output ⇨ See "Determining the right amount of fuel" [page 24] Operating Instructions SP Dual compact | B1500016_en...
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Operating the system Heating up the boiler ❒ Close the carbonisation gas duct flap by pulling out the lever ➥ The carbonisation gas duct is closed to provide a better draught during the heating-up process ❒ Light the paper If the underpressure from the induced draught fan is too strong for the firing material to be ignited: key control ❒...
➥ The heating system is controlled via the controller according to the selected mode in automatic mode ❒ For other modes press the relevant function key ➥ Information on function keys in the relevant operating instructions of the boiler controller Operating Instructions SP Dual compact | B1500016_en...
Operating the system Heating up the boiler How combi mode works The boiler is controlled as a system with automatic feed in combi mode. The boiler is ready for operation as soon as it is switched on and automatically starts combustion when heat is required or at a set starting point.
❒ Only then is it safe to switch off the main switch ❒ Turn off the main switch ➥ Boiler controller is switched off ➥ There is no power supply to any of the boiler components NOTICE! Frost protection function is no longer active! Operating Instructions SP Dual compact | B1500016_en...
Boiler servicing General information on servicing 4 Boiler servicing 4.1 General information on servicing DANGER When working on electrical components: Risk of electrocution! When work is carried out on electrical components: ❒ Only have work carried out by a qualified electrician ❒...
Key for door mountings Ash shovel Socket wrench AF 13 Transport hook for ash drawer Ash drawer Cleaning brush (30x20) for cleaning the carbonisation gas duct Cleaning brush (80x60) for cleaning the heat exchanger Operating Instructions SP Dual compact | B1500016_en...
Boiler servicing Inspection and cleaning 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 4.3 Inspection and cleaning ❒ Regular cleaning of the boiler extends its life and is a basic requirement for smooth running.
Checking the safety valve ❒ Check the seal of the safety valve regularly and ensure that the valve is not dirty NOTICE! Inspection work must be carried out in accordance with the manufacturer’s instructions. Operating Instructions SP Dual compact | B1500016_en...
Boiler servicing Inspection and cleaning Checking the quick vent valve ❒ Open the insulated door to the pellet unit ❒ Flip the cover plate down ➥ Pull hard enough to overcome the force of the magnet ❒ Check the quick vent valve ➥...
❒ Shovel the ash into the container provided ➥ Use a fire-proof container with cover Cleaning the combustion grate ❒ Open the fuel loading door and remove the combustion grate Operating Instructions SP Dual compact | B1500016_en...
Boiler servicing Inspection and cleaning ❒ Remove ash deposits from the combustion grate and secondary air inlets (A) Empty the ash drawer of the pellet unit ❒ Open the insulated door ❒ Push the locking lever down and pull out the ashcan ❒...
Checking the primary air openings ❒ Open the fuel loading door and unhinge the cladding plates ❒ Check the primary air openings (A) inside the boiler for unobstructed air flow and clean if necessary Operating Instructions SP Dual compact | B1500016_en...
Boiler servicing Inspection and cleaning ❒ Unhinge the front air guide plate ❒ Clean the air openings (A) in the guide plate ❒ Check the air inlet inside the boiler for unobstructed air flow and clean if necessary Cleaning the flue gas temperature sensor 1.
❒ Remove dirt and deposits from the induced draught housing using a scraper ❒ Remove any ash which has gathered using an ash vacuum ❒ Fit the induced draught fan ❒ Plug in the connection cable and secure with cable ties Operating Instructions SP Dual compact | B1500016_en...
Boiler servicing Inspection and cleaning Clean the heat exchanger pipes ❒ Lift off the controller cover and the side insulating mat ❒ Remove the end cap from the control on the side of the door stop and pull out the hinge pins ❒...
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➥ The bristles cannot be turned in the pipe ❒ Clean the side passage to the flue gas pipe ➥ TIP: use an ash vacuum! ❒ After cleaning, reassemble the components as above in the reverse order Operating Instructions SP Dual compact | B1500016_en...
Boiler servicing Inspection and cleaning Cleaning the grate and combustion chamber ❒ Open the insulated door to the pellet unit ❒ Flip the cover plate down ➥ Pull hard enough to overcome the force of the magnet ❒ Remove the combustion chamber cover ❒...
⇨ See "Positioning the doors" [page 46] ❒ Check the seal again after positioning the doors ❒ Repeat the procedure at the side of the door stop at the bottom and at the side of the door handle Operating Instructions SP Dual compact | B1500016_en...
Boiler servicing Inspection and cleaning Positioning the doors The example below shows how to position the fuel loading door. The procedure is the same for positioning the combustion chamber door. ❒ Using an Allen key (AF 13), loosen the lock nuts on the locking cams at the top and bottom ❒...
❒ Activate “Chimney-sweep mode” ➥ The flue gas temperature and residual oxygen content should have stabilised approximately 20 minutes after activation ➥ The display will indicate that the boiler is ready for measurement Operating Instructions SP Dual compact | B1500016_en...
Short split wood with an edge length EL < 10 cm The term “short split wood” has been defined in these instructions by Froling; there is no fuel standard or similar guidelines for this. ❒ The fuel must be dry, clean and uncontaminated (not painted, glued, etc.) ❒...
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❒ Take the measurement at the designated measuring port ➥ Regularly check the that the conditions are stable: - Boiler temperature > 70 °C - Flue gas temperature around 170 °C Operating Instructions SP Dual compact | B1500016_en...
Troubleshooting Carbonisation gas duct flap is stiff 5 Troubleshooting 5.1 Carbonisation gas duct flap is stiff Error characteristics Possible cause Elimination of error Carbonisation gas duct flap is Flap guide blocked Check the area under the stiff inspection cover for dirt and Flap cannot be closed due to deposits and clean if Little or no draught through...
95 - 100°C. The pumps continue to run. Once the temperature falls below approx. 75°C, the STL can be reset mechanically: ❒ Unscrew the cap on the STB (high-limit thermostat) ❒ Unlock the STL by pressing with a screwdriver Operating Instructions SP Dual compact | B1500016_en...
Troubleshooting Faults with fault message - key control 5.4 Faults with fault message - key control 5.4.1 Troubleshooting The term "fault" is a collective term for warnings, errors and alarms. The boiler reacts differently to the three types of message: WARNING In case of warnings the status LED flashes orange and the boiler initially continues controlled operation.
The “Error display” button will now appear in the quick menu. Procedure for fault messages If you open the window with the respective fault text, the right arrow will take you to possible causes of the fault. Operating Instructions SP Dual compact | B1500016_en...
Troubleshooting Acknowledging a fault message Tapping “Solution” will also display action to be taken to resolve the problem. If there are several options available, these will be listed one below the other. Once the fault has been resolved, tap the Cancel icon to return to the basic display. 5.6 Acknowledging a fault message key control Trace and remove the fault and then:...
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