DeDietrich MODULENS O AFC 18 Installation And Service Manual
  1. Manuals
  2. Brands
  3. DeDietrich Manuals
  4. Boiler
  5. MODULENS O AFC 18
  6. Installation and service manual

DeDietrich MODULENS O AFC 18 Installation And Service Manual

Oil-fired condensing boilers
Hide thumbs Also See for MODULENS O AFC 18:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
MODULENS O
Oil-fired condensing boilers
AFC 18 - AFC 24 - AFC 30
300026439-07
®
Installation and
Service Manual
Export
EN

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MODULENS O AFC 18 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for DeDietrich MODULENS O AFC 18

Summary of Contents for DeDietrich MODULENS O AFC 18

  • Page 1 Export MODULENS O ® Oil-fired condensing boilers AFC 18 - AFC 24 - AFC 30 Installation and Service Manual 300026439-07...
  • Page 2 Declaration of conformity [ The device complies with the standard type described in the EG declaration of conformity. It was manufactured and commissioned in accordance with European directives. The original declaration of conformity is available from the manufacturer.

  • Page 3: Table Of Contents

    Contents Safety instructions ..................6 Safety instructions ..........6 Recommendations ..........7 Liabilities ...............8 1.3.1 Manufacturer’s liability ..........8 1.3.2 Installer’s liability .............8 About this manual ..................9 Symbols used ............9 2.1.1 Symbols used in the manual ........9 2.1.2 Symbols used on the equipment ......9 Abbreviations ............10 After Sales Service Internet Site .......10 Technical specifications ................11...
  • Page 4 Contents Installation ....................29 Regulations governing installation ....29 Choice of the location ........30 5.2.1 Type plate .............30 5.2.2 Positioning of the appliance ........30 5.2.3 Ventilation .............32 5.2.4 Main dimensions ...........33 Positioning the appliance ........36 5.3.1 Positioning the boiler on its own ......36 5.3.2 Fitting the boiler to a DHW tank ......39 5.3.3...
  • Page 5 5.8.8 Connecting two circuits and a domestic hot water tank ...............70 5.8.9 Connecting two heating circuits with pressure breaker ..............72 5.8.10 Hot water storage tank connection ......73 5.8.11 Pool connection .............80 5.8.12 Connecting a mixed tank ........82 5.8.13 Connecting the options .........83 5.8.14 Connection in cascade ..........84 Electrical diagram ..........86...
  • Page 6 Contents Switching off the appliance ..............126 Installation shutdown ........126 Antifreeze protection ........126 Checking and maintenance ..............128 General instructions .........128 Chimney sweep instructions ......128 Customising maintenance .......129 8.3.1 Maintenance message ........129 8.3.2 Contact details of the professional for After Sales Support ..............131 Standard inspection and maintenance operations ............131 8.4.1...
  • Page 7 Spare parts ....................161 10.1 General ..............161 10.2 Spare parts ............162 10.2.1 Boiler body - Tank - Base - Fuel oil burner ..162 10.2.2 Hydraulics ............165 10.2.3 Expansion vessel 18 litres (Depending on country, standard delivery or optional) ......166 10.2.4 Casing ..............167 10.2.5 Control panel ............168 10.2.6...

  • Page 8: Safety Instructions

    1. Safety instructions AFC 18 - AFC 24 - AFC 30 Safety instructions Safety instructions DANGER This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.

  • Page 9: Recommendations

    AFC 18 - AFC 24 - AFC 30 1. Safety instructions Recommendations WARNING 4 Installation and maintenance of the boiler must be carried out by a qualified professional in compliance with prevailing local and national regulations. 4 When carrying out work on the boiler, always switch off the boiler at the mains and close the main oil inlet.

  • Page 10: Liabilities

    1. Safety instructions AFC 18 - AFC 24 - AFC 30 Liabilities 1.3.1. Manufacturer’s liability Our products are manufactured in compliance with the requirements of the various applicable European Directives. They are therefore delivered with [ marking and all relevant documentation. In the interest of customers, we are continuously endeavouring to make improvements in product quality.

  • Page 11: About This Manual

    AFC 18 - AFC 24 - AFC 30 2. About this manual About this manual Symbols used 2.1.1. Symbols used in the manual In these instructions, various danger levels are employed to draw the user’s attention to particular information. In so doing, we wish to safeguard the user’s safety, highlight hazards and guarantee correct operation of the appliance.

  • Page 12: Abbreviations

    2. About this manual AFC 18 - AFC 24 - AFC 30 Caution: danger, live parts. Disconnect the mains power prior to any operations. M002628-A Abbreviations 4 3CE: Collective conduit for sealed boiler 4 3WV: 3-way valve 4 PCU: Primary Control Unit - PCB for managing burner operation 4 PSU: Parameter Storage Unit - Parameter storage for PCBs PCU and SU 4 SCU: Secondary Control Unit - DIEMATIC iSystem control panel...

  • Page 13: Technical Specifications

    AFC 18 - AFC 24 - AFC 30 3. Technical specifications Technical specifications Homologations 3.1.1. Certifications CE identification no CE : 1312 CN 5691 Type of connection Chimney: B Flue gas outlet: C 13(x) 33(x) 93(x) 3.1.2. Oil category 4 Standard oil as well as low sulfur content oil (max. viscosity 6 mm²/ s at 20°C) 4 Bio-oil max.

  • Page 14: Factory Test

    3. Technical specifications AFC 18 - AFC 24 - AFC 30 3.1.4. Factory test Before leaving the factory, each boiler is set for optimum performance and tested to check the following items: 4 Electrical safety 4 Adjustment (CO 4 Water tightness 4 Oil tightness 4 Checked the tightness of the combusted gas outlet and air inlet 4 Parameter settings.
  • Page 15 AFC 18 - AFC 24 - AFC 30 3. Technical specifications Boiler AFC 18 AFC 24 AFC 30 Minimum Full Minimum Full Minimum Full power power power power power power LHV efficiency 100 % Nominal 96.3 97.2 96.4 97.1 95.9 97.4 output (Pn) at 80/60°C...

  • Page 16: Burner Specifications

    3. Technical specifications AFC 18 - AFC 24 - AFC 30 3.2.2. Burner specifications Modulating burner F10E2-5.18 + F10E2-5.24 + F10E2-5.30 + AFC 18 AFC 24 AFC 30 Operation Modulating Modulating Modulating 10.4 - 17.6 13.9 - 23.5 17.4 - 29.4 Nominal output Kg/h 0.9 - 1.5...

  • Page 17: Product Description

    AFC 18 - AFC 24 - AFC 30 4. Product description Product description General description Floor-standing condensing oil boiler 4 Heating only (Optional domestic hot water production in combination with a DHW tank). 4 High efficiency heating. 4 Low pollutant emissions. 4 Modulating oil burner preassembled and preset.
  • Page 18 4. Product description AFC 18 - AFC 24 - AFC 30 n Boiler with 3-way valve option - Circuit B (Option integrable) On/Off switch Control panel Burner Automatic air vent Heating flow direct circuit Heating return direct circuit Heating body Direct circuit circulating pump 0.3 MPa safety valve (3 bar) Condensate trap...
  • Page 19 AFC 18 - AFC 24 - AFC 30 4. Product description n Boiler with 100HL type domestic hot water tank On/Off switch Control panel Burner Automatic air vent Heating flow Heating return Heating body Circulation pump 0.3 MPa safety valve (3 bar) Condensate trap Flue gas discharge Non-return valve...
  • Page 20 4. Product description AFC 18 - AFC 24 - AFC 30 n Boiler with 160SL type domestic hot water tank M002430-F On/Off switch Control panel Burner Automatic air vent Heating flow Heating return Non-return valve Heating body Circulation pump 0.3 MPa safety valve (3 bar) Condensate trap Calorifier load pump Flue gas discharge...
  • Page 21 AFC 18 - AFC 24 - AFC 30 4. Product description n Boiler with 220SHL type domestic hot water tank C003834-C 12 7 13 On/Off switch Control panel Burner Automatic air vent Heating flow Heating return Non-return valve Heating body Circulation pump 0.3 MPa safety valve (3 bar) Condensate trap...

  • Page 22: Circulation Pump

    4. Product description AFC 18 - AFC 24 - AFC 30 Solar regulator Solar safety valve Plate heat exchanger Solar collectors Domestic cold water inlet Non-return valve Domestic hot water thermostatic mixing valve DHW pump 4.2.2. Circulation pump (mbar) Boiler pressure drop (with valve) Boiler pressure drop (without valve) Circulation pump (Class A pump) Water flow...
  • Page 23 AFC 18 - AFC 24 - AFC 30 4. Product description x - x Flame detection x - x Ignition stage x - x Start-up threshold x - x Fuel pre-heater x - x Anti-short cycle x - x Burner off 2 - 13 Reheat fuel oil (Max 400 seconds) 2 - 14...
  • Page 24 4. Product description AFC 18 - AFC 24 - AFC 30 n Normal start-up ° P. Oil C003259-E 09/07/2015 - 300026439-07...
  • Page 25 AFC 18 - AFC 24 - AFC 30 4. Product description n Start-up without flame detection ° P. Oil C003223-E 09/07/2015 - 300026439-07...
  • Page 26 4. Product description AFC 18 - AFC 24 - AFC 30 n Loss of the flame signal whilst in operation ° M003249-B 09/07/2015 - 300026439-07...

  • Page 27: Main Parts

    AFC 18 - AFC 24 - AFC 30 4. Product description Main parts 4.3.1. Boiler Fuel supply pipes Oil filter (40 µm) + deaerator + stop valve Modulating oil burner preassembled and preset Flue gas measuring point / Combustive air Flue gas discharge pipe (Diameter 80 mm) Air intake (Diameter 125 mm) Expansion vessel 18 litres...

  • Page 28: Fuel Oil Burner

    4. Product description AFC 18 - AFC 24 - AFC 30 4.3.2. Fuel oil burner Modulating motor Pressure sensor Modulating oil pump Control box display - Not used Burner control and safety box Recirculation slot adjustment screw Flame detection cell (IRD at 18 kW and BST at 24–30 Head air pressure measurement point Ignition transformer Door handle...

  • Page 29: Accessories

    AFC 18 - AFC 24 - AFC 30 4. Product description 4 The horizontal or vertical terminal (depending on the version) 4 The installation and maintenance instructions 4 The user instructions 4.4.2. Accessories Various options are available depending on the configuration of the installation (Depending on country) : Boiler options Description...
  • Page 30 4. Product description AFC 18 - AFC 24 - AFC 30 Domestic hot water tank options Description package 100HL recirculation kit ER218 160SL/220SHL recirculation kit ER219 Boiler/DHW tank hydraulic connecting kit 100HL Boiler/DHW tank hydraulic connecting kit 160SL Boiler/DHW tank hydraulic connecting kit 160SL - HEE - MV32 Class A pump Connecting kit for external DHW tank - HEE - Class A pump...

  • Page 31: Installation

    AFC 18 - AFC 24 - AFC 30 5. Installation Installation Regulations governing installation WARNING Installation of the appliance must be done by a qualified engineer in accordance with prevailing local and national regulations. France: Residential buildings Statutory terms and conditions of installation and maintenance: 4 DTU 65-17 4 Local Sanitary Regulations 4 For appliances connected to the electricity network:...

  • Page 32: Choice Of The Location

    5. Installation AFC 18 - AFC 24 - AFC 30 The safety distance between combustible substances and the boiler and gaseous effluents must comply with the requirements of the AEAI standard. Choice of the location 5.2.1. Type plate The nameplates must be accessible at all times. The nameplates identify the product and provide the following information: 4 Type of product 4 Manufacturing date (Year - Week)
  • Page 33 AFC 18 - AFC 24 - AFC 30 5. Installation 4 Install the appliance as close as possible to the drawing off points in order to minimise energy losses through the pipes. 4 Make sure there is a connection to the sewage system close to the boiler to evacuate the condensates.

  • Page 34: Ventilation

    5. Installation AFC 18 - AFC 24 - AFC 30 5.2.3. Ventilation CAUTION In order to avoid damage to the boiler, it is necessary to prevent the contamination of combustion air by chlorine and/or fluoride compounds, which are particularly corrosive. These compounds are present, for example, in aerosol sprays, paints, solvents, cleaning products, washing products, detergents, glues, snow clearing salts, etc.

  • Page 35: Main Dimensions

    AFC 18 - AFC 24 - AFC 30 5. Installation The minimum cross-sections and the positions of the fresh air inlet and the air outlet must comply with prevailing regulations. n Generator installed in a building for collective use (installations less than 70 kW) 4 The fresh air inlet must: - Come out in the lower section of the premises, - Have a free minimum cross section calculated on the basis of...
  • Page 36 5. Installation AFC 18 - AFC 24 - AFC 30 Markers Description Size DHW drain valve External diameter: 14 mm Primary solar coil inlet - Copper diameter: 18 mm Primary solar coil outlet - Copper diameter: 18 mm Oil supply G 3/8 Condensate discharge pipe External diameter: 25 mm...
  • Page 37 AFC 18 - AFC 24 - AFC 30 5. Installation n Boiler with 100HL type domestic hot water tank 84,5 1553 1240 1164 245 7040 M002424-E Models AFC 18 AFC 24 AFC 30 A (mm) 1686 1686 1756 B (mm) 1731 1731 1801 n Boiler with 160SL type domestic hot water tank...

  • Page 38: Positioning The Appliance

    5. Installation AFC 18 - AFC 24 - AFC 30 n Boiler with 220SHL type domestic hot water tank 70 40 10 12 84,5 18,5 1005 1150 1105 1200 55 346 C003833-C Models AFC 18 AFC 24 AFC 30 A (mm) 1130 1130 1200 B (mm) 1175...
  • Page 39 AFC 18 - AFC 24 - AFC 30 5. Installation 3. Open the access door on the control panel. 4. Remove the front panel by pulling firmly from both sides. C003137-G 5. Close the door. 6. Remove the front and back holding screws. C003138-G 09/07/2015 - 300026439-07...
  • Page 40 5. Installation AFC 18 - AFC 24 - AFC 30 C003139-H 7. Lower the boiler from the transport pallet using lifting bars. Use steel tubes 3/4" in diameter and 1400 mm in length. 8. Install the appliance on the base provided. 9.

  • Page 41: Fitting The Boiler To A Dhw Tank

    AFC 18 - AFC 24 - AFC 30 5. Installation 5.3.2. Fitting the boiler to a DHW tank M002428-D 1. Put the DHW tank in place. ¼ Refer to the DHW tank’s installation, use and maintenance instructions. 2. Carry out steps 1 to 8 described above. ¼...

  • Page 42: Reversal Of The Direction The Control Panel Access Door Opens

    5. Installation AFC 18 - AFC 24 - AFC 30 5.3.4. Reversal of the direction the control panel access door opens As standard, the control panel access door opens to the left. To open the control panel access door to the right, proceed as follows: 1.
  • Page 43 AFC 18 - AFC 24 - AFC 30 5. Installation 4. Tilt the control panel forwards. 5. Unscrew the screws holding the front of the control unit. C003160-F 6. Pivot the holder by 180°. 180° C003161-C 7. Retighten the fastening screws on the control panel. 8.
  • Page 44 5. Installation AFC 18 - AFC 24 - AFC 30 9. Replace the top. C003286-B 10.Reconnect and put the control system module back in place. C003163-B 11.Refit the control panel door. C003164-D 09/07/2015 - 300026439-07...

  • Page 45: Hydraulic Connections

    AFC 18 - AFC 24 - AFC 30 5. Installation Hydraulic connections 5.4.1. Flushing the system Installation must be carried out in accordance with the prevailing regulations, the codes of practice and the recommendations in these instructions. n Fitting the appliance to new installations 4 Clean the installation with a universal cleaner to eliminate debris from the system (copper, hemp, flux).

  • Page 46: Connecting The Expansion Vessel (Depending On Country, Standard Delivery Or Optional)

    5. Installation AFC 18 - AFC 24 - AFC 30 (Depending on country, standard delivery or optional) We recommend mounting the expansion vessel behind the boiler. If there is not enough space, mount the expansion vessel on the wall. C003141-F 1.

  • Page 47: Installing The Deaerator

    AFC 18 - AFC 24 - AFC 30 5. Installation 5.4.3. Installing the deaerator To guarantee optimum degassing of the oil feed line: 4 Fit the de-aerator with filter (delivered as standard). 4 Replace the filtration element (40 µm) before each heating season It is imperative that you follow the recommendations and instructions given in the manual for the deaerator.

  • Page 48: Hydraulic Connection Of The Heating Circuit

    5. Installation AFC 18 - AFC 24 - AFC 30 5.4.4. Hydraulic connection of the heating circuit CAUTION Between the boiler and the safety valves there must be no complete or partial closing device. CAUTION CAUTION In the case of installations with thermostatic protection, only safety valves bearing the letter "H"...
  • Page 49 AFC 18 - AFC 24 - AFC 30 5. Installation The installation must be constructed in accordance with prevailing technical regulations. Depending on prevailing regulations, it is possible to use a neutralisation station to bring the pH down to a value of more than 6,5.

  • Page 50: Filling The Condensate Trap

    5. Installation AFC 18 - AFC 24 - AFC 30 5.4.7. Filling the condensate trap CAUTION If operating with the siphon empty, combustion products will escape into the premises in which the boiler is installed. 1. Pour water into the flue gas conduit (central pipe) until it flows out of the condensates discharge pipe 2 .

  • Page 51: Connecting

    AFC 18 - AFC 24 - AFC 30 5. Installation 4 Use of the 40 µm filtration cartridge, delivered as standard, is recommended. For an 18 kW boiler, replace the 40 µm Siku filter with the 20 µm paper filter (provided with the boiler). C003277-F Oil filter (20 µm) + deaerator + stop valve FloCo-Top Oil suction pipe between the cistern and the filter...

  • Page 52: Flue Gas System Connections - Depending On Country

    5. Installation AFC 18 - AFC 24 - AFC 30 Flue gas system connections - Depending on country CAUTION To obviate any transmission of boiler operating noise into the home, the flue gas connection pipes must not be bricked into the walls. Use a sleeve. WARNING Fix the concentric conduits to the wall using clamps and brackets.
  • Page 53 AFC 18 - AFC 24 - AFC 30 5. Installation Configuration C 13(x) Air/flue gas connection by means of concentric pipes to a horizontal terminal (so-called forced flue). Configuration C 33(x) Air/flue gas connection by means of concentric pipes to a vertical terminal (roof outlet).

  • Page 54: Connections For The Air And Exhaust Pipes - Single Flow (Chimney) - Type B

    5. Installation AFC 18 - AFC 24 - AFC 30 WARNING Always ensure that L is less than Lmax. For the list of flue gas system accessories and the equivalent lengths, refer to the current price list. 5.6.2. Connections for the air and exhaust pipes - Single flow (chimney) - Type B n Classification Lmax...
  • Page 55 AFC 18 - AFC 24 - AFC 30 5. Installation n Rigid B and B type connection Use package DY717 x mini DY717 3° M001872-B DY717 Composition of the package Terminal with flashing Centring stars Elbow at 87° Support rail DN80 extension - Length 0,5 m Options Ventilation grate...
  • Page 56 5. Installation AFC 18 - AFC 24 - AFC 30 DY897 DY895 3° M003162-B DY895 Composition of the package Terminal with flashing Centring stars Elbow at 87° Support rail DN80 extension - Length 0,5 m Options Ventilation grate Sleeve - Diameter 124 - Length 0,5 m (DY753) Closing plate (DY757) DN80 extension Boiler...
  • Page 57 AFC 18 - AFC 24 - AFC 30 5. Installation n Lengths of the air/flue gas pipes CAUTION The maximum lengths (Lmax) given in the table are valid for pipes on which the horizontatal sections do not exceed one metre in total. For each additional metre of horizontal pipe, a multiplication coefficient of 1.2 must be applied when calculating the total length L.
  • Page 58 5. Installation AFC 18 - AFC 24 - AFC 30 n Adapting the boiler to top outlet WARNING The boiler must be adapted to switch to a single flow configuration (air/flue gas connection type B (combustive air taken from the boiler room). 1.

  • Page 59: Installing The Outside Sensor

    AFC 18 - AFC 24 - AFC 30 5. Installation 6. Tilt the control panel. 7. Unfasten the 2 clamping collars on the air connection to dismantle 0 80 8. Put the flue gas evacuation pipe in place. C003156-G n Adapting the boiler to bottom outlet WARNING The boiler must be adapted to switch to a single flow configuration (air/flue gas connection type B...

  • Page 60: Connecting The Outside Sensor

    5. Installation AFC 18 - AFC 24 - AFC 30 Recommended position Possible position Inhabited height controlled by the sensor Inhabited area controlled by the sensor 8800N001-C Positions to be avoided: 4 masked by a building element (balcony, roof, etc.) 4 close to a disruptive heat source (sun, chimney, ventilation grid, etc.) 8800N002-C...

  • Page 61: Electrical Connections

    AFC 18 - AFC 24 - AFC 30 5. Installation Electrical connections 5.8.1. Control unit The boiler is fully pre-wired. The electricity supply is made via connection cable to the mains (hard mounted). All other external connections can be made to the connection connectors (low voltage).

  • Page 62: Recommendations

    5. Installation AFC 18 - AFC 24 - AFC 30 5.8.2. Recommendations WARNING Only qualified professionals may carry out electrical connections, always with the power off. Disconnect the appliance from the mains before any work on it. The boiler is entirely pre-wired. Do not modify the connections inside the control panel.
  • Page 63 AFC 18 - AFC 24 - AFC 30 5. Installation ¼ "Positioning the boiler on its own", page 36 1. Lift the tab. 2. Remove the protective cover. The connections must be made according to the details given below. 09/07/2015 - 300026439-07...

  • Page 64: Connecting A Direct Heating Circuit

    5. Installation AFC 18 - AFC 24 - AFC 30 5.8.4. Connecting a direct heating circuit C003263-F Connect a safety thermostat if the heating circuit is for underfloor heating. Remove the bridge. Connect the wires from the safety thermostat to the connector.

  • Page 65: Connecting A Direct Circuit And A Circuit With 3-Way Valve

    AFC 18 - AFC 24 - AFC 30 5. Installation 5.8.5. Connecting a direct circuit and a circuit with 3-way valve C003149-F Connect a safety thermostat if the heating circuit is for underfloor heating. Remove the bridge. Connect the wires from the safety thermostat to the connector.
  • Page 66 5. Installation AFC 18 - AFC 24 - AFC 30 Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Displaying the parameters in Installer level INSTALLATION EXTENDED #SYSTEM menu extended mode", page 102 ¼...

  • Page 67: Connecting A Direct Heating Circuit And A Domestic Hot Water Tank

    AFC 18 - AFC 24 - AFC 30 5. Installation 5.8.6. Connecting a direct heating circuit and a domestic hot water tank n Connecting a direct heating circuit and a type HL or SHL DHW tank C003288-F Connect a safety thermostat if the heating circuit is for underfloor heating.
  • Page 68 5. Installation AFC 18 - AFC 24 - AFC 30 Solar regulator MODBUS cable connecting the SCU to the solar control system Connect the outside temperature sensor. Connect the DHW sensor. Connect the DHW tank anode. Domestic circulation loop pump (Option) Primary domestic hot water load pump Settings to be made for this type of installation Parameters...
  • Page 69 AFC 18 - AFC 24 - AFC 30 5. Installation n Connecting a direct heating circuit and a type SL DHW tank C003287-F Connect a safety thermostat if the heating circuit is for underfloor heating. Remove the bridge. Connect the wires from the safety thermostat to the connector.

  • Page 70: Connecting A Direct Heating Circuit And An Independent Domestic Hot Water Tank

    5. Installation AFC 18 - AFC 24 - AFC 30 Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Displaying the parameters in Installer level INSTALLATION EXTENDED #SYSTEM menu extended mode", page 102 ¼...
  • Page 71 AFC 18 - AFC 24 - AFC 30 5. Installation Do not connect anything to the terminal block. Connect the DHW sensor (Package AD212). Connect a safety thermostat if the heating circuit is for underfloor heating. Remove the bridge. Connect the wires from the safety thermostat to the connector.

  • Page 72: Connecting Two Circuits And A Domestic Hot Water Tank

    5. Installation AFC 18 - AFC 24 - AFC 30 5.8.8. Connecting two circuits and a domestic hot water tank C003842-C Connect the domestic hot water looping pump to the MA outlet. Do not connect anything to the terminal block. Connect the DHW sensor (Package AD212).
  • Page 73 AFC 18 - AFC 24 - AFC 30 5. Installation Connect a safety thermostat if the heating circuit is for underfloor heating. Remove the bridge. Connect the wires from the safety thermostat to the connector. Connect the outside temperature sensor. Connect the DHW tank anode.

  • Page 74: Connecting Two Heating Circuits With Pressure Breaker

    5. Installation AFC 18 - AFC 24 - AFC 30 5.8.9. Connecting two heating circuits with pressure breaker C004456-B Connect a safety thermostat if the heating circuit is for underfloor heating. Remove the bridge. Connect the wires from the safety thermostat to the connector.

  • Page 75: Hot Water Storage Tank Connection

    AFC 18 - AFC 24 - AFC 30 5. Installation Connect a safety thermostat if the heating circuit is for underfloor heating. Remove the bridge. Connect the wires from the safety thermostat to the connector. Connect the heating pump (circuit A). Low loss header Connect the DHW tank anode.
  • Page 76 5. Installation AFC 18 - AFC 24 - AFC 30 If the storage tank does not have a DHW zone, use an independent domestic hot water tank. C003843-G Connect the solar station to the solar collectors. Solar sensor probe. Do not connect anything to the terminal block. Connect the heating pump (Circuit A).
  • Page 77 AFC 18 - AFC 24 - AFC 30 5. Installation Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Displaying the parameters in extended mode", page 102 INSTALLATION Installer level EXTENDED #SYSTEM menu ¼...
  • Page 78 5. Installation AFC 18 - AFC 24 - AFC 30 n storage tank and DHW tank connected to the boiler C003844-D Connect a domestic hot water tank if the storage tank U is only used for heating. Connect the DHW sensor (Package AD212). Connect the load pump.
  • Page 79 AFC 18 - AFC 24 - AFC 30 5. Installation Connect the DHW tank anode. If the tank is not fitted with an impressed current anode, put the simulation connector in place (delivered with the DHW sensor - package AD212). Connect the sensor from the storage tank.
  • Page 80 5. Installation AFC 18 - AFC 24 - AFC 30 C003848-D Connect the heating pump (Circuit A). Do not connect anything to the terminal block. D.H.W. load pump Hot water storage tank sensor Buffer tank Solar sensor probe Connect the solar station to the solar collectors. Domestic hot water boiler Connect the DHW sensor.
  • Page 81 AFC 18 - AFC 24 - AFC 30 5. Installation Connect the DHW tank anode. If the tank is not fitted with an impressed current anode, put the simulation connector in place (delivered with the DHW sensor - package AD212). Settings to be made for this type of installation Parameters Access...

  • Page 82: Pool Connection

    5. Installation AFC 18 - AFC 24 - AFC 30 5.8.11. Pool connection C003881-A Connect the secondary swimming pool pump. Do not connect anything to the terminal block. Connect the swimming pool sensor. Plate heat exchanger Connect the primary swimming pool pump. Pool heating cut-off control When the parameter I.TEL: is on 0/1 B, the swimming pool is no longer heated when the...
  • Page 83 AFC 18 - AFC 24 - AFC 30 5. Installation Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Displaying the parameters in INSTALLATION Installer level EXTENDED #SYSTEM menu extended mode", page 102 ¼...

  • Page 84: Connecting A Mixed Tank

    5. Installation AFC 18 - AFC 24 - AFC 30 5.8.12. Connecting a mixed tank In winter mode, the boiler heats the DHW tank. In summer mode, the tank is heated by the electrical resistor. C003845-C Power control relay to the electrical resistor Connect the DHW sensor (Package AD212).

  • Page 85: Connecting The Options

    AFC 18 - AFC 24 - AFC 30 5. Installation Connect the load pump. Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Displaying the parameters in Installer level INSTALLATION EXTENDED #SYSTEM menu extended mode", page 102 ¼...

  • Page 86: Connection In Cascade

    5. Installation AFC 18 - AFC 24 - AFC 30 Settings to be made for this type of installation Parameters Access Settings to be made See chapter ¼ "Displaying the parameters in extended mode", Installer level INSTALLATION EXTENDED #SYSTEM menu page 102 ¼...
  • Page 87 AFC 18 - AFC 24 - AFC 30 5. Installation Settings to be made for this type of installation: Master boiler Parameters Access Settings to be made See chapter ¼ "Displaying the parameters in extended mode", Installer level INSTALLATION EXTENDED #SYSTEM menu page 102 ¼...

  • Page 88: Electrical Diagram

    5. Installation AFC 18 - AFC 24 - AFC 30 Electrical diagram 5.9.1. Boiler Input 0-10 V Power supply 230 V - 50 Hz 09/07/2015 - 300026439-07...
  • Page 89 AFC 18 - AFC 24 - AFC 30 5. Installation D.H.W. load pump Circulation pump (Circuit A) Circulation pump (Circuit B) Boiler pump M BO Pump DHW pump M SAN Pump Burner Telephone relay Only with HL tank k V3V 3-way valve BUS SU Connector MODBUS Control interface PCB connector SCU...

  • Page 90: Burner

    5. Installation AFC 18 - AFC 24 - AFC 30 Flue gas temperature safety thermostat X116 Limiter thermostat, top X117 General switch Titan-Active-System® 5.9.2. Burner C004947-A Command and safety box Modulating motor management box Flame detector Pressure sensor Electric filter Pre-heater Boiler Burner...

  • Page 91: 5.10 Filling The System

    AFC 18 - AFC 24 - AFC 30 5. Installation Safety solenoid valve Variable-voltage solenoid Safety thermostat 5.10 Filling the system 5.10.1. Water treatment In most cases, the boiler and the central heating installation can be filled with normal tap water and no water treatment will be necessary. WARNING Do not add chemical products to the central heating water without first consulting a water treatment professional.

  • Page 92: Filling The Heating Circuit

    5. Installation AFC 18 - AFC 24 - AFC 30 5.10.2. Filling the heating circuit 4 Switch off the boiler electrical power supply. D000017-B 4 Set the controls (thermostats, control system) so that they request heat. 4 Open the valves on all radiators connected to the heating system. T000149-A 4 Remove the upper panel from the boiler.

  • Page 93: Filling The Drinking Water Circuit

    AFC 18 - AFC 24 - AFC 30 5. Installation 4 Check that the plug in the automatic air vent located on top of the boiler is unscrewed. 4 Vent air from the installation from any other high point on the installation.

  • Page 94: Commissioning

    6. Commissioning AFC 18 - AFC 24 - AFC 30 Commissioning Control panel 6.1.1. Description of the keys AUTO Temperature setting key (heating, DHW, swimming pool) Operating mode selection key DHW override key Key to access the parameters reserved for the installer Keys on which the function varies as and when selections are made Rotary setting button:...

  • Page 95: Description Of The Display

    AFC 18 - AFC 24 - AFC 30 6. Commissioning 6.1.2. Description of the display n Key functions Access to the various menus > Used to scroll through the menus Used to scroll through the parameters The symbol is displayed when help is available <...
  • Page 96 6. Commissioning AFC 18 - AFC 24 - AFC 30 n Solar (If connected) The solar load pump is running The top part of the tank is reheated to the tank set point The entire tank is reheated to the tank set point <...
  • Page 97 AFC 18 - AFC 24 - AFC 30 6. Commissioning n System pressure Pressure indicator: The symbol is displayed when a water pressure sensor is connected. Flashing symbol: The water pressure is insufficient. Steady symbol: The water pressure is sufficient. Water pressure level <...

  • Page 98: Access To The Various Browsing Levels

    6. Commissioning AFC 18 - AFC 24 - AFC 30 6.1.3. Access to the various browsing levels n User level The information and settings in the User level can be accessed by everyone. 1. Press the > key. SUNDAY 11:45 <...

  • Page 99: Browsing In The Menus

    AFC 18 - AFC 24 - AFC 30 6. Commissioning n After Sales level The After Sales Service information and settings can be accessed by the professional providing the After Sales Service. 1. Press the > key. SUNDAY 11:45 < AUTO C002219-D-04 2.

  • Page 100: Checks And Settings Before Commissioning

    6. Commissioning AFC 18 - AFC 24 - AFC 30 5. To modify the parameter, turn the rotary button. 6. To confirm, press the rotary button. CURRENT PROG.C "Choice of the timeprogram applied C" To cancel, press key h . <...

  • Page 101: Setting The Burner

    AFC 18 - AFC 24 - AFC 30 6. Commissioning 3. Turn on the boiler using the on/off switch. 4. To prime the oil pump, make the burner safe by holding down the key on the burner’s safety control box. The parameter EKB displays.

  • Page 102: Setting The Burner's 3 Operating Outputs

    6. Commissioning AFC 18 - AFC 24 - AFC 30 4 Detection is done automatically. 6.4.2. Setting the burner’s 3 operating outputs CAUTION The burner must only be set electronically. Setting is done in the following order: maximum output - start-up output - minimum output. In order to adapt the settings to the installation conditions, run the combustion test.

  • Page 103: Checking Combustion

    AFC 18 - AFC 24 - AFC 30 6. Commissioning Factory setting values Burner model - Boiler power Output U (%) (%) Head pressure P (bar (MPa)) (mbar) Indicative setting Indicative setting F10E2-5.30 - 30 kW boilers E Minimum output 7 (0,7) 12,5 Z Start-up output...

  • Page 104: Checks And Adjustments After Commissioning

    6. Commissioning AFC 18 - AFC 24 - AFC 30 Checks and adjustments after commissioning 6.5.1. Displaying the parameters in extended mode The display mode on the control panel is set as standard in such a way as only to show the conventional parameters. It is possible to switch to extended mode by proceeding as follows: 1.
  • Page 105 AFC 18 - AFC 24 - AFC 30 6. Commissioning Installer level - #SYSTEM menu Parameter Adjustment range Description Factory setting Customer setting Use as a direct heating circuit (1)(2) DIRECT DIRECT CIRC.A Use as an independent programmable outlet PROGRAM. Enables operation of circuit A in summer despite H.TEMP manual or automatic summer shutdown...
  • Page 106 6. Commissioning AFC 18 - AFC 24 - AFC 30 Installer level - #SYSTEM menu Parameter Adjustment range Description Factory setting Customer setting Use as a domestic loop pump (1)(4) DHW LOOP DHW LOOP S.AUX Use as an independent programmable outlet PROGRAM.
  • Page 107 AFC 18 - AFC 24 - AFC 30 6. Commissioning Installer level - #SYSTEM menu Parameter Adjustment range Description Factory setting Customer setting Boiler anti-freeze activation ANTIFR ANTIFR I.TEL ON or OFF contact: I.TEL can be used as an 0/1 A antifreeze activation inlet on circuit A ON or OFF contact: I.TEL can be used as an 0/1 B...
  • Page 108 6. Commissioning AFC 18 - AFC 24 - AFC 30 Influence of the parameter setting CT.TEL on the I.TEL contact CT.TEL I.TEL C contact closed C contact open The mode selected on the circuit is active. The antifreeze mode is active on the circuit 0/1 C concerned.

  • Page 109: Naming The Circuits And Generators

    AFC 18 - AFC 24 - AFC 30 6. Commissioning Influence of the parameter setting CT.TEL on the I.TEL contact CT.TEL I.TEL C contact closed C contact open 0/1 A+C+DHW The antifreeze mode is active on the circuits The mode selected on the circuits is active concerned 0/1 B+C+DHW The antifreeze mode is active on the circuits The mode selected on the circuits is active...

  • Page 110: Setting The Heating Curve

    6. Commissioning AFC 18 - AFC 24 - AFC 30 7. To confirm the name, press the rotary button and then turn the button slightly anti-clockwise. When the symbol U appears, press the rotary button. The name is confirmed. If the name reaches 6 characters, it is automatically confirmed when the last character is confirmed.
  • Page 111 AFC 18 - AFC 24 - AFC 30 6. Commissioning 5. To modify the curve, turn the rotary button. 6. To confirm, press the rotary button. To cancel, press key h . 0.7 = Heating curve set. < AUTO C002318-B-04 n Heating curve without BCT Maximum temperature of the circuit C°...

  • Page 112: Finalizing Work

    6. Commissioning AFC 18 - AFC 24 - AFC 30 6.5.5. Finalizing work 1. Remove the measuring equipment. 2. Put the flue gas sampling plug back in place. 3. Refit the front panel. 4. Raise the temperature in the heating system to approximately 50°C.

  • Page 113: Changing The Settings

    AFC 18 - AFC 24 - AFC 30 6. Commissioning User level - #MEASURES Menu Parameter Description Unit Injection nozzle oil pressure bar (MPa) OIL PRESSURE Water temperature in the DHW tank °C WATER TEMP. Instant hot water temperature °C TEMP DHW INST Water temperature in the storage tank °C...

  • Page 114: Language Selection

    6. Commissioning AFC 18 - AFC 24 - AFC 30 6.7.1. Language selection 1. Access the installer level: Press key - for around 5 seconds. 2. Select the menu #LANGUAGE. SUNDAY 11:45 Turn the rotary button to scroll through the menus or TEMP.: 68°...
  • Page 115 AFC 18 - AFC 24 - AFC 30 6. Commissioning User level - #SETTING Menu Parameter Adjustment range Description Factory setting Customer setting 15 to 30 °C Used to set the outside temperature 22 °C SUM/WIN above which heating will be shut down. The heating pumps are shut down.

  • Page 116: Professional Settings

    6. Commissioning AFC 18 - AFC 24 - AFC 30 6.7.3. Professional settings 1. Access the installer level: Press key - for around 5 seconds. 2. Set the following parameters: SUNDAY 11:45 Turn the rotary button to scroll through the menus or TEMP.: 68°...
  • Page 117 AFC 18 - AFC 24 - AFC 30 6. Commissioning Installer level - #PRIMARY INSTAL.P menu Parameter Adjustment range Description Factory setting Customer setting 10 to 180 seconds Setting the burner minimum operation time (In 30 seconds BURN.MIN.RUN heating mode) 0 to 99 minutes Maximum post-operation duration of the 3 minutes...
  • Page 118 6. Commissioning AFC 18 - AFC 24 - AFC 30 Installer level - #SECONDARY INSTAL.P menu Parameter Adjustment range Description Factory Customer setting setting 0.0 to 10.0 Activation and adjustment of the ANTICIP.C anticipation time ¼ "ANTICIP.A, ANTICIP.B, ANTICIP.C ", page 119 0 to 10 Influence of room sensor C ROOM INFL.C...
  • Page 119 AFC 18 - AFC 24 - AFC 30 6. Commissioning Installer level - #SECONDARY INSTAL.P menu Parameter Adjustment range Description Factory Customer setting setting Interruption of pool heating and reheating PRIORITY DHW TOTAL TOTAL during domestic hot water production. Domestic hot water production and SLIDING heating on the valve circuits if the available output is sufficient and the...
  • Page 120 6. Commissioning AFC 18 - AFC 24 - AFC 30 Installer level - #SUN Menu Parameter Adjustment range Description Factory setting Customer setting 0 to 30 °C Maximum drop in the DHW set point when 5°C DEC.SOLAR DHW the solar pump is running at 100% 10 to 20 °C Temperature difference that the solar pump 10°C...
  • Page 121 AFC 18 - AFC 24 - AFC 30 6. Commissioning n ANTICIP.A, ANTICIP.B, ANTICIP.C Room temperature setpoint - Comfort Room temperature setpoint - Reduced Time schedule 0,5K Anticipation time = Accelerated reheating phase The anticipation function calculates the heating restart time to reach the desired room temperature less 0.5 K at the time programmed for switching to comfort mode.
  • Page 122 6. Commissioning AFC 18 - AFC 24 - AFC 30 For example STOP DRYING TEMP: 47 °C START DRYING TEMP: 20 °C NB DAYS DRYING Normal regulation (End of drying) Heating temperature setting (°C) Every day at midnight (00:00): the set point (START DRYING TEMP) is recalculated and the remaining number of days (NB DAYS DRYING) is decremented.
  • Page 123 AFC 18 - AFC 24 - AFC 30 6. Commissioning n Function 0-10 V This function controls the boiler using an external system that includes a 0-10 V output connected to the 0-10 V input. This command imposes to the boiler a temperature or power setpoint. Be sure that parameter BOILER MAX is set higher than CONS.MAX 0-10V if the control is done by temperature.

  • Page 124: Configuring The Network

    6. Commissioning AFC 18 - AFC 24 - AFC 30 Flat solar collectors Solar panel ) Number of Flow rate Flow rate Area (m installation panels (l/h) (l/min) 8...10 12,5 12...15 11,2 16...20 12...15 14,2 18...23 13,4 24...30 10,9 16...20 1200 20,0 24...30...
  • Page 125 AFC 18 - AFC 24 - AFC 30 6. Commissioning Installer level - #NETWORK Menu Parameter Adjustment range Description Factory setting Customer setting -10 to 20 °C Outside temperature triggering all stages 10 °C PARALLEL.CASC in parallel mode 0 to 30 min Minimum duration of post-operation of the 0 mn TIMER GENE P.CASC...
  • Page 126 6. Commissioning AFC 18 - AFC 24 - AFC 30 4. The screen displayed allows you to choose numbers for the slave boilers to be added to the network. Numbers 2 to 10 are dedicated to the generators and numbers 20 to 39 to the VM iSystem. Turn ADD SLAVE GENE: 2, 5, the rotary button to scroll through the numbers and press to...

  • Page 127: Return To The Factory Settings

    AFC 18 - AFC 24 - AFC 30 6. Commissioning 6.7.5. Return to the factory settings To reset the appliance, proceed as follows: 1. Press key C , > and j simultaneously for 4 seconds. The menu 4" #RESET is displayed. 2.

  • Page 128: Switching Off The Appliance

    7. Switching off the appliance AFC 18 - AFC 24 - AFC 30 Switching off the appliance Installation shutdown If the central heating system is not used for a long period, we recommend switching the boiler off. 4 Switch the On/Off switch to Off. 4 Switch off the boiler electrical power supply.
  • Page 129 AFC 18 - AFC 24 - AFC 30 7. Switching off the appliance 4 The domestic hot water tank if the tank temperature is lower than 4 °C (the water is reheated to 10 °C). To configure the holidays mode: ¼Refer to the user instructions. 09/07/2015 - 300026439-07...

  • Page 130: Checking And Maintenance

    8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 Checking and maintenance General instructions WARNING Maintenance operations must be done by a qualified engineer. An annual inspection is compulsory. Only original spare parts must be used. 4 Have the flues swept at least once a year or more, depending on the regulations in force in your country.

  • Page 131: Customising Maintenance

    AFC 18 - AFC 24 - AFC 30 8. Checking and maintenance EMISSION MEASUREMENTS menu Generator Function available Description Values displayed Generator name AUTO Normal operation °C BOILER TEMP bar (MPa) OIL PRESSURE SEQUENCE °C BACK TEMP Operating at minimum output °C PMIN BOILER TEMP...
  • Page 132 8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 Depending on how much the boiler is used, the maintenance message appears after 1 year or 1500 hours’ burner operation. Depending on how much the boiler is used, the maintenance message appears after 1 year or 1500 hours’...

  • Page 133: Contact Details Of The Professional For After Sales Support

    AFC 18 - AFC 24 - AFC 30 8. Checking and maintenance 8.3.2. Contact details of the professional for After Sales Support In order to assist the user if an error or service message is displayed, it is possible to provide the contact details of the professional to be contacted.

  • Page 134: Checking The Hydraulic Pressure

    8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 8.4.1. Checking the hydraulic pressure The system pressure must reach a minimum of 8 bar (0.8 MPa). If the hydraulic pressure is lower than 8 bar (0.8 MPa), the symbol bar flashes.

  • Page 135: Cleaning Of The Heating Body

    AFC 18 - AFC 24 - AFC 30 8. Checking and maintenance 8.4.4. Cleaning of the heating body C003265-B 1. Unfasten the clamping collars on the air connection to dismantle C003266-E 2. Disconnect the burner control cable. 3. Disconnect the power supply cable to the burner. 09/07/2015 - 300026439-07...
  • Page 136 8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 180° C003267-G 4. Remove the 6-sided spanner from its housing. Unscrew the 2 retaining screws. 5. Slide the locks on the plate to unlock it. 6. Put the plate support in place. 7.
  • Page 137 AFC 18 - AFC 24 - AFC 30 8. Checking and maintenance C003268-D 8. Put the burner on the plate support. C003272-D 9. Unscrew the 3 butterfly nuts. 09/07/2015 - 300026439-07...
  • Page 138 8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 10.Remove the burner support and heating body cover unit. 11.Dry clean using the brushes provided. C003274-F 12.Clean each heating pipe with the straight brush. 13.Clean the combustion chamber pipe with the round brush. CAUTION Only use the plastic brushes provided.

  • Page 139: Cleaning The Siphon

    AFC 18 - AFC 24 - AFC 30 8. Checking and maintenance C004010-B 15.Rinse with water (and further brushing if necessary). Clean the siphon. ¼ see chapter: "Cleaning the siphon", page 137 Fit the unit together. 8.4.5. Cleaning the siphon 1.

  • Page 140: Checking And Replacing The Installation's Oil Filter

    8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 2. Drain the siphon. 3. Flush the siphon. B000027 4. Fill the siphon with clean water up to the mark. 5. Put the condensate trap back in place. C003152-B 8.4.6.
  • Page 141 AFC 18 - AFC 24 - AFC 30 8. Checking and maintenance n Replacing the fuel oil nozzle 1. Disconnect the ignition electrode cables. 2. Unscrew the screw A to remove the baffle. 3. Check the binding on the injection nozzle. Replace nozzle. 4.
  • Page 142 8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 6. Run the following tests: Start up with the flame At the end of the safety period, the Error Code: detection cell darkened. safety control box should lock [L04] itself and the burner should shut down.
  • Page 143 AFC 18 - AFC 24 - AFC 30 8. Checking and maintenance n Checking and setting the recirculation slot The setting screw A must be unscrewed manually, turning it anti- clockwise until it stops (approximate value on the graduated slide between 8 and 10).

  • Page 144: Specific Maintenance Operations

    8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 n Burner check points Connection of the pressure gauge for the air pressure at the head Connection of the vacuum gauge to the oil pump Connection of the pressure gauge for the oil pressure in the pump C003284-B Specific maintenance operations...

  • Page 145: Replacing The Ignition Electrodes

    AFC 18 - AFC 24 - AFC 30 8. Checking and maintenance 8.5.1. Replacing the ignition electrodes n Not authorized adjustment methods CAUTION Do not to put stress on the porcelain at the electrode base, breaking risk! Incorrectly adjusted electrodes increases wear and may cause their short circuit.

  • Page 146: Maintenance Of The Air/Flue Gas Drain Connection Flues

    8. Checking and maintenance AFC 18 - AFC 24 - AFC 30 8.5.2. Maintenance of the air/flue gas drain connection flues 1. Open the inspection hatches or remove the conduits. 2. Check that the air supply and exhaust ducts are not blocked; if necessary, clean them.

  • Page 147: Troubleshooting

    AFC 18 - AFC 24 - AFC 30 9. Troubleshooting Troubleshooting Anti-hunting When the boiler is in Anti-short-cycle operating mode, the symbol ? flashes. 1. Press the "?" key. The message Operation assured when the restart temperature will be reached is displayed. This message is not an error message but an item of information.
  • Page 148 9. Troubleshooting AFC 18 - AFC 24 - AFC 30 Code Messages Description Checking / solution No flame during operation No flame signal. BL.FLAME LOS Air present in the oil circuit. Check that the oil valve is actually open Check the settings of the burner and the injection nozzle and the position of the recirculation slot Check that the flame detection cell is in good condition Check that there is no recirculation of flue gases...
  • Page 149 AFC 18 - AFC 24 - AFC 30 9. Troubleshooting Code Messages Description Checking / solution Wrong burner parameters Set the type of generator again in the menu BL.PARAM.BURNER #CONFIGURATION (Refer to the original rating plate). Then check the burner parameters Mains voltage too low Check the electrical installation BL.

  • Page 150: Message History

    9. Troubleshooting AFC 18 - AFC 24 - AFC 30 Message history The menu #MESSAGE HISTORIC is used to consult the last 10 messages displayed by the control panel. 1. Access the "After Sales" level: Hold down the - key until #PARAMETERS is displayed.
  • Page 151 AFC 18 - AFC 24 - AFC 30 9. Troubleshooting 3. Press the ? key. Follow the instructions displayed to solve the problem. 4. Consult the meaning of the codes in the table below: SUNDAY 11:45 TEMP. : 68° PCU COM.FAIL D27 <...
  • Page 152 9. Troubleshooting AFC 18 - AFC 24 - AFC 30 Code Faults Cause Description Checking / solution of the fault Burner start-up failure No ignition BURNER FAILURE Check the ignition transformer Check the ignition electrode for Check the high voltage wiring Check the earthing The safety control box on the burner is defective.
  • Page 153 AFC 18 - AFC 24 - AFC 30 9. Troubleshooting Code Faults Cause Description Checking / solution of the fault The maximal smoked DEF.SMOKE.TEMP Check the level of fouling of the heating body temperature is exceeded of 5 Check the burner setting and the take times in 24 hours.
  • Page 154 9. Troubleshooting AFC 18 - AFC 24 - AFC 30 Code Faults Cause Description Checking / solution of the fault The BL inlet opened for a short Bad connection BL OPEN FAIL time Check the wiring External cause Check the device connected to the BL contact Parameter incorrectly set Check the parameter IN.BL The water pressure is too low...
  • Page 155 AFC 18 - AFC 24 - AFC 30 9. Troubleshooting Code Faults Cause Description Checking / solution of the fault Domestic hot water sensor Bad connection DHW S.FAILURE fault Check whether the sensor is connected: Remarks: ¼See chapter: "Deletion of sensors from the Heating of domestic hot water memory in the PCB", page 154 is no longer ensured.

  • Page 156: Deletion Of Sensors From The Memory In The Pcb

    9. Troubleshooting AFC 18 - AFC 24 - AFC 30 Code Faults Cause Description Checking / solution of the fault Header sensor fault Bad connection SOL.COL.S.FAIL Check whether the sensor is connected: ¼See chapter: "Deletion of sensors from the memory in the PCB", page 154 Check the link and the connectors Check that the sensor has been correctly fitted Sensor fault...

  • Page 157: Failure History

    AFC 18 - AFC 24 - AFC 30 9. Troubleshooting 4 Select YES by turning the rotary button and press to confirm. The outside temperature sensor cannot be deleted. Failure history The menu #DEFAULT HISTORIC is used to consult the last 10 faults displayed by the control panel.

  • Page 158: Parameter And Input/Output Check (Mode Tests)

    9. Troubleshooting AFC 18 - AFC 24 - AFC 30 Parameter and input/output check (mode tests) Use the following menus to target the cause of a malfunction. 1. Access the "After Sales" level: Hold down the - key until #PARAMETERS is displayed. 2.
  • Page 159 AFC 18 - AFC 24 - AFC 30 9. Troubleshooting After Sales level - #PARAMETERS menu Parameter Description Instant boiler output POWER KW Water temperature in the storage tank STOR.TANK.TEMP Water temperature in the second DHW tank connected to circuit A DHW A TEMP.
  • Page 160 9. Troubleshooting AFC 18 - AFC 24 - AFC 30 After Sales level - #TEST INPUTS menu Parameter Status Description Presence of a remote control C R.CTRL C No remote control C Contact status 0 / 1 I.TEL Bridge on telephone input (1 = presence, 0 = absence) PHONE REM.

  • Page 161: Control System Sequence

    AFC 18 - AFC 24 - AFC 30 9. Troubleshooting After Sales level - #METERS Parameter Description Number of hours’ burner operation since the last service RUNTIME REV. NB.FLAME DISAP. Number of flame losses Number of incomplete burner start-ups NB FAIL START 9.6.1.
  • Page 162 9. Troubleshooting AFC 18 - AFC 24 - AFC 30 09/07/2015 - 300026439-07...

  • Page 163: 10 Spare Parts

    AFC 18 - AFC 24 - AFC 30 10. Spare parts 10 Spare parts 10.1 General When it is observed subsequent to inspection or maintenance work that a component in the appliance needs to be replaced, use only original spare parts or recommended spare parts and equipment. To order a spare part, give the reference number shown on the list.

  • Page 164: 10.2 Spare Parts

    10. Spare parts AFC 18 - AFC 24 - AFC 30 10.2 Spare parts 10.2.1. Boiler body - Tank - Base - Fuel oil burner 1043 1045 1046 1003 1008 1011 1012 1010 1013 1014 1005 1004 1007 1009 1006 E000058-D 09/07/2015 - 300026439-07...
  • Page 165 AFC 18 - AFC 24 - AFC 30 10. Spare parts 1015 1022 1023 1024 1042 1039 1017 1016 1017 1018 1029 1019 1028 1020 1026 1001 1017 1027 1025 1002 C004011-C 09/07/2015 - 300026439-07...
  • Page 166 10. Spare parts AFC 18 - AFC 24 - AFC 30 1044 1033 1036 1032 1027 1035 1034 1030 1047 1032 1040 E000059-A 09/07/2015 - 300026439-07...

  • Page 167: Hydraulics

    AFC 18 - AFC 24 - AFC 30 10. Spare parts 10.2.2. Hydraulics 2006 2008 2013 2005 2012 2016 2010 2010 2012 2003 2013 2002 2013 2012 2015 2010 2007 2013 2009 2016 2013 2011 2001 2004 E000047-B 09/07/2015 - 300026439-07...

  • Page 168: Expansion Vessel 18 Litres (Depending On Country, Standard Delivery Or Optional)

    10. Spare parts AFC 18 - AFC 24 - AFC 30 10.2.3. Expansion vessel 18 litres (Depending on country, standard delivery or optional) 2019 2018 2019 2021 2020 2017 E000057-A 09/07/2015 - 300026439-07...

  • Page 169: Casing

    AFC 18 - AFC 24 - AFC 30 10. Spare parts 10.2.4. Casing 3005 3006 3017 3016 3001 3013 3014 3008 3002 3009 3011 3012 3002 3004 3018 X 10 3007 3003 3015 E000048-D 09/07/2015 - 300026439-07...

  • Page 170: Control Panel

    10. Spare parts AFC 18 - AFC 24 - AFC 30 10.2.5. Control panel 4008 4001 4009 4002 4011 4005 4010 4012 4006 4013 4014 4007 4004 4003 4015 4006 E000049-C 4016 4024 4027 4029 4026 4017 4025 4018 -23 4028 E000060-C 09/07/2015 - 300026439-07...

  • Page 171: Fuel Oil Burner (Details)

    AFC 18 - AFC 24 - AFC 30 10. Spare parts 10.2.6. Fuel oil burner (Details) 01005 09/07/2015 - 300026439-07...

  • Page 172: Spare Parts List

    10. Spare parts AFC 18 - AFC 24 - AFC 30 10.2.7. Spare parts list Markers Reference Description Fuel oil burner (Details) 97902600 Motor coupling 300025795 Modulating motor 300027692 Fan turbine 300025796 Oil supply pipe for pump 97955485 Oil hose - Length 1,2 m (2x) 300025797 Modulating oil pump 97940058 Solenoid valve coil...
  • Page 173 AFC 18 - AFC 24 - AFC 30 10. Spare parts Markers Reference Description 300023691 Combustion head inspection pipe + Mirror 300027952 Filter support 97955623 Spacer 97956305 Centering plots 300028323 Electric filter 300028324 Air input plate - diameter 16 - 30 kW 7618310 Flame detection pipe - 18 kW 97955632...
  • Page 174 10. Spare parts AFC 18 - AFC 24 - AFC 30 Markers Reference Description 1042 300029470 Bimetallic thermostat 1043 300024836 Burner F10E2-5.18 - 18 kW 1043 300024839 Burner F10E2-5.24 - 24 kW 1043 300024841 Burner F10E2-5.30 - 30 kW 1044 300024556 Ø82 - 500 hose + Clamps (x2) 1045 100019100 Fuel filter + oil de-aerator FloCO-Top...
  • Page 175 AFC 18 - AFC 24 - AFC 30 10. Spare parts Markers Reference Description Insulation 3016 200018956 Insulating material for body 18-24 kW 3016 200018957 Insulating material for body 30 kW 3017 300009898 Insulation fastener Control panel 4001 200019228 Complete control panel 4002 300024400 Command strip 4003...

  • Page 176: Directives

    Appendix Information on the ecodesign and energy labelling directives...
  • Page 177 Contents Contents Specific information ................. . 3 Recommendations .
  • Page 178 1 Specific information Specific information Recommendations Note Only qualified persons are authorised to assemble, install and maintain the installation. Ecodesign Directive This product conforms to the requirements of European Directive 2009/125/EC on the ecodesign of energy-related products. Technical data - Boiler space heaters Tab.1 Technical parameters for boiler space heaters Product name...
  • Page 179 1 Specific information Circulation pump Note The benchmark for the most efficient circulators is EEI ≤ 0.20. Disposal and Recycling Fig.1 Recycling Warning Removal and disposal of the boiler must be carried out by a quali­ fied installer in accordance with local and national regulations. MW-3000179-03 Fig.2 Cutting the mains supply...
  • Page 180 Зубарев переулок, д. 15/1 +49 (0)25 72 / 9161-0 Бизнес-центр «Чайка Плаза», +49 (0)25 72 / 9161-102 офис 309 info@remeha.de +7 (495) 221-31-51 info@dedietrich.ru DE DIETRICH THERMIQUE Iberia S.L.U. DE DIETRICH SERVICE www.dedietrich-calefaccion.es www.dedietrich-heiztechnik.com Freecall 0800 / 201608 C/Salvador Espriu, 11 08908 L’HOSPITALET de LLOBREGAT...

This manual is also suitable for:

Modulens o afc 24Modulens o afc 30

Table of Contents