Fröling T4e Operating Instructions Manual Download Page 52

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WARNING

Incorrect inspection and cleaning:
Incorrect or insufficient inspection and cleaning of the boiler can cause serious

faults in combustion (e.g. spontaneous combustion of carbonisation gases / flash

fires) and this can lead to serious accidents and damage!

Take the following precautions:

❒ Clean the boiler following the instructions in the instruction manual. Follow the

boiler operating instructions.

5.2 Required tools

The following tools are required for carrying out cleaning and maintenance work:

Included in delivery:

Furnace tool with bracket

Spanner for door mountings

Socket wrench AF 13

53x53x110 cleaning brush to clean the WOS springs

Not included:

Spanner or box wrench AF 13

Screwdriver set (Philips, flat head, Torx T20, T25, T30)

Small brush or cleaning brush

Ash vacuum

Servicing the system

Required tools

Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

Summary of Contents for T4e

Page 1: ...nal German operating instructions for the operator Read and follow the instructions and safety information Technical changes typographical errors and omissions reserved B1560520_en Edition 11 08 2020 Froling GesmbH A 4710 Grieskirchen Industriestraße 12 www froeling com ...

Page 2: ...tion room boiler room 19 3 3 Requirements for central heating water 20 3 4 Notes for using pressure maintenance systems 22 3 5 Return temperature control 22 3 6 Use with storage tank 23 3 7 Chimney connection chimney system 23 4 Operating the System 24 4 1 Assembly and initial startup 24 4 2 Filling refilling the store with fuel 25 4 2 1 Loading of fuel for a partially emptied store with rotary ag...

Page 3: ...icing 51 5 2 Required tools 52 5 3 Maintenance work by the operator 53 5 3 1 Weekly inspection 53 Checking the system pressure 53 Check the thermal discharge valve from T4e 130 53 Checking the safety valve 53 Checking the quick vent valve 54 Checking the geared motors 54 5 3 2 Recurrent check and cleaning 55 Before starting inspection and cleaning work 55 After inspection and cleaning work 55 Lubr...

Page 4: ...ystem components 71 6 Troubleshooting 72 6 1 General fault with power supply 72 6 1 1 Behaviour of system after a power failure 72 6 2 Excessive temperature 72 6 3 Faults with fault message 73 6 3 1 Procedure for fault messages 73 7 Notes 75 8 Appendix 76 8 1 Addresses 76 8 1 1 Address of manufacturer 76 Customer service 76 8 1 2 Address of the installer 76 Table of contents 4 Froling GesmbH A 471...

Page 5: ...onmentally friendly and economical operation of the system The constant further development of our products means that there may be minor differences from the pictures and content If you discover any errors please let us know doku froeling com Subject to technical change Warranty and Guarantee Conditions Our sale and delivery conditions will be applicable These conditions have been made available ...

Page 6: ...ch display page 29 5 1 Status display operating status See Status display page 30 5 2 Large touch screen for displaying and changing operating statuses and parameters 5 3 Brightness sensor to automatically adjust the display brightness 5 4 USB port for connecting a USB stick for software updates 6 Insulating cover 7 Heat exchanger cover 8 Service port 1 General Product overview T4e 6 Froling Gesmb...

Page 7: ...ve Ø 200 mm as burn back protection system RSE 14 Integrated electrostatic particle separator optional 15 Stoker screw Ø 100 mm 16 Ceramic igniter with function monitoring 17 Silicon carbide combustion chamber with automatic tipping grate 18 Tipping grate with drive rotation angle 110 19 Ash box for combined automatic ash removal from combustion chamber and heat exchanger 20 Combustion chamber doo...

Page 8: ...llow the instructions WARNING The dangerous situation may occur and if measures are not observed it will lead to serious injury or death Work with extreme care CAUTION 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 2 Safety Haz...

Page 9: ...to the operating instructions Wear safety shoes Wear protective gloves Turn off the main switch Keep the doors closed Unauthorised access prohibited Warning hot surface Warning hazardous electrical voltage Warning hazardous or irritant materials Warning automatic boiler startup Warning of injury to fingers or hands automatic fan Warning of injury to fingers or hands automatic screw Warning of inju...

Page 10: ...bustion e g spontaneous combustion of carbonisation gases or flash fires which can in turn cause serious accidents When operating the boiler please note the following Instructions and information regarding versions and minimum values as well as standards and guidelines for heating components in the instructions must be observed WARNING Severe injuries and damage can be caused by an inadequate flue...

Page 11: ...from a chimney of a building from a furnance or from any fixed boiler if located in a designated smoke control area It is also an offence to acquire an unauthorised fuel for use within a smoke control area unless it is used in an exempt appliance exempted from the controls which generally apply in the smoke control area The Secretary of State for Environment Food and Rural Affairs has powers under...

Page 12: ...The Froling T4e 120kW has been recommended for use in smoke control areas when burning wood pellets only 2 Safety Permitted uses 12 Froling GesmbH A 4710 Grieskirchen Industriestraße 12 www froeling com ...

Page 13: ...llets Wood pellets made from natural wood with a diameter of 6 mm EU Fuel acc to EN ISO 17225 Part 2 Wood pellets class A1 D06 and or ENplus DINplus certification scheme General note Before refilling the store check for pellet dust and clean if necessary Changing the fuel CAUTION Incorrect fuel parameter settings Incorrect parameter settings have a significant adverse effect on the functioning of ...

Page 14: ...fication of operating staff CAUTION If unauthorised persons enter the Installation room boiler room Risk of personal injury and damage to property The operator is responsible for keeping unauthorised persons in particular children away from the system Only trained operators are permitted to operate the unit The operator must also have read and understood the instructions in the documentation 2 6 P...

Page 15: ...gainst overheating The STL high limit thermostat switches off the combustion system when the boiler reaches 100 C The pumps continue to run Once the temperature falls below approx 75 C the STL can be reset mechanically On site SV 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 i...

Page 16: ... to automatic boiler startup Before inspection and cleaning work in on the boiler Switch the boiler off by tapping Boiler off The boiler follows the shutdown procedure and switches to Boiler off mode Allow the boiler to cool for at least 1 hour Switch off the main switch and take precautions to prevent accidental switching on WARNING If non permitted fuel types are used Non standard fuels can caus...

Page 17: ...e the applicable standards and regulations Work must not be carried out on electrical components by unauthorised persons DANGER Persons using pacemakers whilst in the immediate vicinity of the electrostatic particle separator Interference of the pacemaker by electromagnetic fields of the particle separator is possible Therefore Maintain a safety distance of at least one metre from the electrostati...

Page 18: ...ntact the installer or Froling customer services See Addresses page 76 2 9 2 Smell of flue gas DANGER If you smell flue gas in the boiler room Inhaling toxic flue gas can be fatal If you smell flue gas in the room where the boiler is installed Keep all the doors on the boiler closed Shut down the boiler according to procedure Ventilate the room where the boiler is installed Close the fire door and...

Page 19: ...or installation room boiler room Boiler room characteristics The floor must be even clean and dry and have an adequate load bearing capacity There must not be a potentially explosive atmosphere in the boiler room as the boiler is not suitable for use in potentially explosive environments The boiler room must be frost free The boiler does not provide any light so the customer must ensure sufficient...

Page 20: ...H 5195 VDI 2035 Switzerland Italy SWKI BT 102 01 UNI 8065 Observe the standards and also follow the recommendations below Aim for a pH value of between 8 2 and 10 0 If the central heating water comes into contact with aluminium the pH value must be between 8 0 and 8 5 Use prepared water which complies with the standards cited above for filling and make up water Avoid leaks and use a closed heating...

Page 21: ... up water must be demineralised fully purified The water must not contain any ingredients that could settle and accumulate in the system This makes the water non electroconductive which prevents corrosion It also removes all the neutral salts such as chloride sulphate and nitrate which can weaken corrosive materials in certain conditions If some of the system water is lost e g during repairs the m...

Page 22: ...tenance pump relief valve and an unpressurised receiving tank The valve releases hot water into the receiving tank if the pressure is too high If the pressure drops below a preset value the pump draws water from the receiving tank and feeds it back into the heating system Pump controlled pressure maintenance systems with open expansion tanks e g without a diaphragm introduce ambient oxygen via the...

Page 23: ...mney connection chimney system EN 303 5 specifies that the entire flue gas system must be designed to prevent wherever possible damage caused by seepage insufficient feed pressure and condensation Please note in this respect that flue gas temperatures lower than 160K above room temperature can occur in the permitted operating range of the boiler NOTICE Please see the technical data contained in th...

Page 24: ...troller The customer is responsible for ensuring the following prior to initial start up of the system by Froling customer services Electrical installation Installation of water pipes Connect flue gas including all insulation work Work must comply with local fire protection regulations It is essential that the electrician who has carried out the installation work is available when starting up the ...

Page 25: ...r pressure NOTICE If the head of the rotary agitator is already free of material and the arms spring blades are extended the feeder unit must be active during the filling process Activate Extra heating mode in the quick selection menu Exception in the case of a separate drive Tap On in Bunker filling rotary agitator during manual operation The rotary agitator head runs for approx 3 minutes Load a ...

Page 26: ...fuel in the store the head of the rotary agitator is completely covered with fuel and the rotary agitator arms are not extended the store can be filled as follows Switch off the boiler by tapping Boiler off at the mode icon and allow to cool for at least two hours Close all openings to the store to seal out dust Blow the fuel into the store 4 2 5 Blowing in fuel for an empty store with rotary agit...

Page 27: ... in the case of a separate drive Tap On in Bunker filling rotary agitator during manual operation The rotary agitator head runs for approx 3 minutes Wait until the arms spring blades are touching the head of the rotary agitator approx 2 revolutions Switch off the boiler by tapping Boiler off at the mode icon and allow to cool for at least two hours Close all openings to the store to seal out dust ...

Page 28: ... height onto the rotary agitator Avoid compressing the wood chips e g by carefully adding to the fuel store Design the walls in the bunker so they are as smooth as possible 4 Operating the System Filling refilling the store with fuel 28 Froling GesmbH A 4710 Grieskirchen Industriestraße 12 www froeling com ...

Page 29: ...splay and change the current user level See Lock display switch user level page 44 C Display and change the current date time See Change date and time page 39 D Holiday program See Configure the holiday program page 45 E Chimney sweeper function See Emissions measurement by chimney sweep or regulatory body page 70 F Display of current operating status boiler ON OFF See Switch boiler ON OFF page 37...

Page 30: ...TICE USB interface is for service purposes only and must not be used to load devices or for PC connections Status display The status display indicates the system s operating status Constant in the set colour SWITCHED ON Boiler in an error free operating state standby heating Set colour can be changed using the setting wizard Switching on for the first time ORANGE flashing WARNING RED flashing FAUL...

Page 31: ...ted Establishes connection to froeling connect Remote control of the boiler is not permitted Connection to the froeling connect server No network connection to froeling connect No connection to froeling connect server See Connection status to froeling connect page 31 Connection status to froeling connect The connection status to froeling connect is displayed in the info menu Tap the info menu in t...

Page 32: ...l menus the status display is shown with current values If for example several heating circuits are installed you can use the right and left arrows to navigate to the desired heating circuit Tap the respective tab to carry out settings in the menus Icon Tab Status Temperatures Times Service General settings Solar heat meter 4 Operating the System Operate the boiler using the touch display 32 Froli...

Page 33: ...Times tab in the menus of the heating components heating water Up to four time windows are possible per day Use the left or right arrow to navigate to the desired day of the week Tap the time window or icon under the day of the week Tap on the time window to be changed Use the up and down arrows to set the start and end time and save by tapping on the Confirm icon The time window set is saved for ...

Page 34: ...stomer Extra heating Boiler starts heating and domestic hot water tank are activated for 6 hours The mode setting is ignored CAUTION The external temperature heating limit set in the Heating menu is active and can prevent release of the heating circuits Extra loading One time extra loading of all available DHW tanks Afterwards the mode that was previously set becomes active again Error display Lis...

Page 35: ...he status of the burner relay Solar Temperatures Display of the collector temperature and control of the collector pump Pellets Remaining pellet amount in store room Display of the remaining amount of pellets in storeroom Heating circuit 01 18 Temperatures Display of the actual flow temperature and flow temperature setpoint of the respective heating circuit DHW tank 01 08 Temperatures Display of t...

Page 36: ...the differential regulator 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 4 Operating the System Operate the boiler using the touch display 36 Froling GesmbH A 4710 Grieskirchen Industriestraße 12 www froeling com ...

Page 37: ...s following a command from the hydraulic system Storage tank heating circuit domestic hot water Heating circuits and domestic hot water tanks are controlled according to the programs and times set Boiler OFF The control follows the boiler shutdown procedure and starts the cleaning cycle The boiler switches to Boiler OFF status All boiler units are deactivated heating circuits and domestic hot wate...

Page 38: ...cted loading times Heating circuits are switched off frost protection remains active Continuous load The boiler continuously maintains the selected boiler temperature setpoint and only shuts down for cleaning purposes Supply heating circuits and domestic hot water tanks with heat according to the selected heating times NOTICE Consult the enclosed operating instructions for the boiler controller fo...

Page 39: ... to save 4 4 6 Change desired DHW tank temperature Tap the information display for the desired DHW tank Adjust the temperature setpoint by tapping on or NOTICE If this selection is not configured in the information display in the basic display open the components in the system menu Operating the System 4 Operate the boiler using the touch display Operating Instructions T4e B1560520_en 39 ...

Page 40: ... to automatic NOTICE If this selection is not configured in the information display in the basic display open the components in the system menu 4 4 8 One time extra loading of all existing DHW tanks In the case of several DHW tanks the extra loading function in the quick menu is used to start a one time extra loading of all existing DHW tanks See Quick menu page 34 4 Operating the System Operate t...

Page 41: ... High temperature circuit Desired flow temperature at 10 C outside air temperature 60 C Desired flow temperature at 10 C outside air temperature 40 C Low temperature circuit Desired flow temperature at 10 C outside air temperature 40 C Desired flow temperature at 10 C outside air temperature 30 C Reduction of flow temperature Outside of the set heating times See Change time window page 33 the setb...

Page 42: ...urve at 10 C see figure 3 Figure 1 Figure 2 Figure 3 Depending on the situation the heating curve an be adapted by tapping or at 10 C outside air temperature If the heating curve is to be changed never change the desired point for a high temperature circuit more than 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 ...

Page 43: ...heating circuit is regulated before the start of the next heating time To cancel this function prematurely activate another mode function Setback mode The heating circuit is regulated to the set setback temperature until the start of the next heating time To cancel this function prematurely activate another mode function Extra heating The heating circuit is regulated to the set room temperature wi...

Page 44: ...al operation of the controller All customer specific parameters are displayed and can be changed Installer Releases parameters to adjust the controller to the system components if configured All parameters are available Service 4 4 14 Change the name of the components The names of the DHW tank storage tank and heating circuits can be freely selected A maximum of 20 characters are available for the...

Page 45: ...ure and in which an activated boiler is not loaded If Legionella heating is set it remains active If the start date is set in the future the suitcase icon will be highlighted in green Once the set start time of the holiday program has been reached the boiler switches to holiday mode Operating the System 4 Operate the boiler using the touch display Operating Instructions T4e B1560520_en 45 ...

Page 46: ... configured for the room console If the boiler remote control is also activated See Display icons for froeling connect remote control page 31 the boiler can be switched on and off on the room console Boiler remote control deactivated Boiler remote control activated Switch the boiler ON OFF by tapping on the current operating status 4 Operating the System Switch the boiler ON OFF on the room consol...

Page 47: ...er follows the shutdown procedure and switches to Boiler off status after the cleaning cycle Turn off the main switch Boiler controller is switched off The components powered via the control cabinet are powered down CAUTION the expansion switch cabinet which has its own power supply is still live NOTICE Frost protection function is no longer active Operating the System 4 Switching off the power su...

Page 48: ...the key plate B from the safety limit switch Open the side clamps C remove the ash container cover and check the ash level in the two chambers If either of the two chambers is more than two thirds full empty the ash container Put the cover on the ash container and use the side clamps C to close it again Open the ash container clamp using the locking lever D Remove the ash container from the boiler...

Page 49: ...to the emptying point Option B Insert the carrying bar with handles on the back of the ash container and secure it with a pipe locking pin The ash container can now be moved to the emptying point After emptying the ash container Put the cover on the ash container and use the side clamps to close it again Remove the locking bolt and open the hinged lid Replace the ash container in the boiler and cl...

Page 50: ...he ash container Put the cover on the ash container and use the side clamps C to close it again Open the ash container clamp using the locking lever D Remove the ash container from the boiler Close the two openings at the back of the ash container with the slide plates Starting at boiler type 200 4 Operating the System Checking the fill level of the ash container and emptying if required 50 Frolin...

Page 51: ... follows the shutdown procedure and switches to Boiler off mode Allow the boiler to cool for at least 1 hour Switch off the main switch and take precautions to prevent accidental switching on WARNING During inspection and cleaning work on the hot boiler Hot parts and the flue gas pipe can cause serious burns Take the following precautions It should be standard practice to wear protective gloves wh...

Page 52: ... manual Follow the boiler operating instructions 5 2 Required tools The following tools are required for carrying out cleaning and maintenance work Included in delivery 1 Furnace tool with bracket 2 Spanner for door mountings 3 Socket wrench AF 13 4 53x53x110 cleaning brush to clean the WOS springs Not included 5 Spanner or box wrench AF 13 6 Screwdriver set Philips flat head Torx T20 T25 T30 7 Sm...

Page 53: ...e heating system is faulty Inform your installer If large pressure fluctuations are observed Ask an expert to inspect the expansion tank Check the thermal discharge valve from T4e 130 Check the seal of the discharge valve The discharge pipe must not drip NOTICE Exception Boiler temperature 100 C If water is dripping from the discharge pipe Clean the discharge safety device in accordance with the m...

Page 54: ...unctioning Checking the geared motors Carry out a visual inspection of the seal on all the geared motors in the system There should be no significant leakage of lubricant NOTICE The presence of a few drops of lubricant may be normal If there is significant loss of lubricant inform your installer or Froling customer services 5 Servicing the system Maintenance work by the operator 54 Froling GesmbH ...

Page 55: ...andles provided Follow the procedure below when starting and finishing inspection and cleaning work Before starting inspection and cleaning work Switch off the boiler by tapping Boiler off Boiler shuts down and switches to Boiler off status Allow the boiler to cool for at least 1 hour On the control go to the Manual operation menu NOTICE See operating instructions for boiler controller Use the DOW...

Page 56: ...lling it downwards Check chain and sprockets for wear replace if necessary Grease chain and sprockets using suitable lubricant Check chain for tension Clean the combustion chamber 2500 Bh yearly Open the insulated door Pull out the ash container Open the combustion chamber door by turning the Allen wrench 90 Use the Allen wrench included A AF 13 mm Allen wrench stored in tool clip B 5 Servicing th...

Page 57: ...stion chamber Ash vacuum recommended Do not throw the ash onto the grate Check the firebricks and combustion grate for dirt and deposits and clean if necessary Close the combustion chamber door by turning the Allen wrench 90 A Notch in screw cap vertical Door open B Notch in screw cap horizontal Door closed Servicing the system 5 Maintenance work by the operator Operating Instructions T4e B1560520...

Page 58: ...w knob and remove T4e 80 350 Connect the extension cable to the broadband probe Remove the spring bolt and lift the cover Use the spanner provided Clean the entire flue gas collection chamber using an ash vacuum Clean the WOS springs using a cleaning brush on both sides of the inner panel NOTICE WOS springs do not have to be removed for cleaning 5 Servicing the system Maintenance work by the opera...

Page 59: ...00 Bh yearly Unplug the connection cable of the induced draught fan This prevents damage to the fan from the cleaning brush Remove the inspection cover on the connecting pipe Clean the connecting pipe between the boiler and chimney with a chimney sweeping brush Depending on the layout of the flue gas pipes and the chimney draught cleaning once a year may not be enough Plug in the connection cable ...

Page 60: ...m It will ensure that your system stays environmentally friendly and operates efficiently and cost effectively In the course of this maintenance the entire system is inspected and optimised particularly regulation and control of the boiler 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 servic...

Page 61: ... 5 4 2 Cleaning the measurement line of the underpressure controller Open the insulated door and remove the ash container from the boiler See Checking the fill level of the ash container and emptying if required page 48 Remove the left and right screws on the front cover plate Slide the cover plate up and remove Servicing the system 5 Maintenance work by technicians Operating Instructions T4e B156...

Page 62: ... Depending on the design port A or HI B 5 4 3 Cleaning the Lambda probe Rear flue pipe connection optional Remove the back insulating cover and thermal insulation upwards Remove the back insulating cover by pulling it up and fold the thermal insulation down Loosen the spring bolts and open the front cover of the heat exchanger Up to boiler type 60 Starting at boiler type 80 5 Servicing the system ...

Page 63: ...ne brush and ash vacuum Hold the Lambda probe with the tip downwards so that deposits can fall out of the measuring ports Check the plastic bushing 2 for dirt and cracks replace if necessary IMPORTANT The seal surface of the plastic bushing must lie flat after assembly CAUTION Do not clean the Lambda probe with compressed air Do not use chemical cleaning agents brake cleaner etc Careful handling o...

Page 64: ...from the isolator and disconnect the vibration motor plug connection B Remove the cover plate between the e filter and the stoker Undo the external screws on the cover and carefully remove the entire unit CAUTION In so doing pay special attention to electrode C Undo the external screws on the cover and carefully remove the entire unit CAUTION The electrodes C require special attention Up to boiler...

Page 65: ...out electrostatic precipitators Remove the lower cover plate from the reversing chamber on the stoker side Remove the cover located behind it Undo the screw connections on the WOS shaft and pull out all shafts Take off the rear cover from the flue gas nozzle and remove the thermal insulation Loosen the locking screws using the enclosed spanner Servicing the system 5 Maintenance work by technicians...

Page 66: ...s Assemble all of the components in reverse order Push the WOS springs with round cutouts down into the heat exchanger pipes In so doing press the inside panel of the spring into the slot A until it stops Caution when installing WOS springs 5 Servicing the system Maintenance work by technicians 66 Froling GesmbH A 4710 Grieskirchen Industriestraße 12 www froeling com ...

Page 67: ...guide the clamping lever A downwards Hook the tension spring into the applicable hole on the carrier plate B Push the lever up and attach it at the applicable hole of the console C using the non threaded stud and spring cotter pin EFFECT The more tension is applied to the spring the less force is required to clean the WOS pipes and the more the impact is damped Servicing the system 5 Maintenance w...

Page 68: ...pring cotter pin and the non threaded stud Use the spring cotter pin and non threaded stud to attach the clamping lever A EFFECT The more tension is applied to the spring the more force is applied to clean the WOS pipes and the impact is increased 5 Servicing the system Maintenance work by technicians 68 Froling GesmbH A 4710 Grieskirchen Industriestraße 12 www froeling com ...

Page 69: ...ion springs into the applicable holes on the clamping lever A and the carrier plate B Use the spring cotter pin and non threaded stud to attach the clamping lever to the applicable hole of console C EFFECT The more tension is applied to the springs the more force is applied to clean the WOS pipes and the impact is increased Servicing the system 5 Maintenance work by technicians Operating Instructi...

Page 70: ...tank must be able to take heat for the duration of the measurement There must be a suitable measuring port in the straight flue gas pipe for the measurement The measuring port must be twice the flue gas pipe diameter away from the last upstream bend If the measuring port is not correctly positioned the measuring result will be distorted 5 5 1 Switch on the system When the cleaning is complete Reas...

Page 71: ...nt 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 NOTICE Installing non original parts will invalidate the guarantee Only replace components or parts with original replacement parts 5 7 Disposal information 5 7 1 Disposal of the ash dispose...

Page 72: ...controlled according to the specified program After a power failure check whether the STL high limit thermostat has tripped Keep the doors of the boiler closed during and after the power failure at least until the induced draught fan automatically starts up again 6 2 Excessive temperature The high limit thermostat STL shuts down the boiler when it reaches a temperature of 95 100 C The pumps contin...

Page 73: ...oiler 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 6 3 1 Procedure for fault messages If a fault occurs on the boiler it will be shown on the display If the fault is acknowledged although it has not been rectified the window with the associated fault can be reopened ...

Page 74: ... list Tap the Cancel icon again and confirm that you have read all of the errors to return to the basic display The boiler is in the previously set mode 6 Troubleshooting Faults with fault message 74 Froling GesmbH A 4710 Grieskirchen Industriestraße 12 www froeling com ...

Page 75: ...7 Notes Notes 7 Operating Instructions T4e B1560520_en 75 ...

Page 76: ...USTRIA TEL 0043 0 7248 606 0 FAX 0043 0 7248 606 600 EMAIL info froeling com INTERNET www froeling com Customer service Austria 0043 0 7248 606 7000 Germany 0049 0 89 927 926 400 Worldwide 0043 0 7248 606 0 8 1 2 Address of the installer Stamp 8 Appendix Addresses 76 Froling GesmbH A 4710 Grieskirchen Industriestraße 12 www froeling com ...

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