DeDietrich IX 145–50 Installation And Service Manual
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DeDietrich IX 145–50 Installation And Service Manual

DeDietrich IX 145–50 Installation And Service Manual

Floor-standing condensing gas boiler
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PROJECT
Installation Manual Installation and Service Manual
Floor-standing condensing gas boiler
IX 145–50
IX 145–70
IX 145–90
IX 145–110
S U S T A I N A B L E C O M F O R T ®

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Summary of Contents for DeDietrich IX 145–50

  • Page 1 PROJECT Installation Manual Installation and Service Manual Floor-standing condensing gas boiler IX 145–50 IX 145–70 IX 145–90 IX 145–110 S U S T A I N A B L E C O M F O R T ®...

  • Page 2: Table Of Contents

    Contents Contents Safety ................... . 5 General safety instructions .
  • Page 3 Contents 6.2.1 Hydraulic connection ..............36 6.2.2 Electrical connection .
  • Page 4 Contents 10 Settings ..................73 10.1 List of parameters .

  • Page 5: Safety

    1 Safety Safety General safety instructions For the installer and end user: 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 6 1 Safety Danger If you smell gas: 1. Do not use a naked flame, do not smoke, do not operate electrical contacts or switches (doorbell, light, motor, lift, etc.). 2. Shut off the gas supply. 3. Open the windows. 4. Locate the probable leak and seal it immediately.

  • Page 7: Recommendations

    1 Safety Recommendations Danger For safety reasons, we recommend fitting smoke and CO detectors and alarms at suitable places in your home. Caution The boiler must always be connected to the protective earthing. Earthing must comply with the prevailing installation standards. Earth the appliance before making any electrical connections.

  • Page 8: Liabilities

    1 Safety Caution The frost protection function only protects the boiler, not the heating system. Caution The frost protection function does not work if the boiler is powered off. Caution The appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions: Avoidance of pumps blocking Frost Protection...

  • Page 9: Installer's Liability

    1 Safety Failure to abide by the instructions on installing and maintaining the appliance. Failure to abide by the instructions on using the appliance. Faulty or insufficient maintenance of the appliance. 1.3.2 Installer's liability The installer is responsible for the installation and initial commissioning of the appliance.

  • Page 10: About This Manual

    2 About this manual About this manual General This manual is intended for the installer of a IX boiler. Symbols used 2.2.1 Symbols used in the manual This manual uses various danger levels to draw attention to special instructions. We do this to improve user safety, to prevent problems and to guarantee correct operation of the appliance.

  • Page 11: Technical Specifications

    3 Technical specifications Technical specifications Homologations 3.1.1 Directives This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives: Gas Appliances Regulation (EU) (2016/426) Pressure Equipment Directive 2014/68/EU Electromagnetic Compatibility Directive (2014/30/EU). Low Voltage Directive (2014/35/EU).

  • Page 12: Technical Data

    3 Technical specifications CE number CE-0085CP0089 NOx class Class 6 Type of flue gas connection – B 13(X) 33(X) 43(X) 53(X) 63(X) 83(X) Technical data Tab.2 General Boiler speed Unit IX 145–50 IX 145–70 IX 145–90 IX 145–110 Useful heat output at 80/60°C Minimum 11.4 Heating mode...

  • Page 13: Other Technical Parameters

    3 Technical specifications For gas flow rates at 15°C and Boiler speed Unit IX 145–50 IX 145–70 IX 145–90 IX 145–110 1013.25 hPA Maximum pressure (G25) mbar Minimum gas pressure (G31) mbar Nominal pressure (G31) mbar Maximum pressure (G31) mbar 57.5 57.5 57.5...

  • Page 14: Sensor Specifications

    3 Technical specifications Product name IX 145–50 IX 145–70 IX 145–90 IX 145–110 Other specifications Standby heat loss 0.045 0.046 0.062 0.072 stby Ignition burner power consumption Annual energy consumption Sound power level, indoors Emissions of nitrogen oxides mg/kWh 27 (1) Low temperature means for condensing boilers 30°C, for low temperature boilers 37°C and for other heaters 50°C return temperature (at heater inlet).
  • Page 15 3 Technical specifications 5 Flue gas outlet (80/125) (1) Adjustable feet Fig.3 Dimensions and connections IX 145–90 and IX 145–110 1128 54.5 31.5 MW-5000816-1 1 Heating circuit return (G1-1/2") 4 Condensate discharge (DN18) 2 Heating circuit flow (G1-1/2") 5 Flue gas outlet (110/160) 3 Gas inlet (G1") (1) Adjustable feet 7702703 - v04 - 05092019...

  • Page 16: Electrical Diagram

    3 Technical specifications Electrical diagram Fig.4 Electrical diagram IX 145–50 and IX 145–70 MW-3000003-04 Earth POP rivet O Room temperature sensor 3 P Boiler pump modulation (PWM) A Power supply 230 V 50 Hz 1 Flow temperature sensor B Power supply auxiliary circuit 1 2 Return temperature sensor C Power supply auxiliary circuit 2 3 Hydraulic pressure sensor...
  • Page 17 3 Technical specifications Fig.5 Electrical diagram IX 145–90 and IX 145–110 MW-3000004-04 Earth POP rivet O Room temperature sensor 3 P Boiler pump modulation (PWM) A Power supply 230V 50Hz 1 Flow temperature sensor B Power supply auxiliary circuit 1 2 Return temperature sensor C Power supply auxiliary circuit 2 3 Hydraulic pressure sensor...

  • Page 18: Description Of The Product

    4 Description of the product Description of the product General description IX floor-standing condensing gas boilers have the following characteristics: Low pollutant emissions High efficiency heating Electronic control panel Flue gas discharge by a forced flue or chimney type connection. Flue gas discharge by a forced flue, chimney or bi-flow type connection.

  • Page 19: Plate Heat Exchanger (Accessories)

    4 Description of the product Fig.7 Functional diagram of a boiler with a low-loss header MW-1000021-06 1 Boiler 6 Heating circuit flow 2 Low-loss header kit 7 Heating circuit return 3 Low-loss header 8 Safety valve 4 Air vent 9 Modulating circulating pump 5 Drain valve 10 Non-return valve 4.2.4...

  • Page 20: System In Cascade

    4 Description of the product Fig.9 Functional diagram of a boiler with plate heat exchanger MW-5000803-01 1 Boiler 8 Safety valve 2 Plate heat exchanger kit 9 Modulating circulating pump 3 Plate heat exchanger 10 Non-return valve 4 Air vent 11 Drain valve 5 Drain valve 12 Valve...

  • Page 21: Settings And Safety Devices

    4 Description of the product 4.2.6 Settings and safety devices Important The settings and safety devices are only operational if the boiler is powered up. Tab.11 Description of the safety devices Device Description Safety thermostats The safety thermostats suspend the supply of gas to the burner if the water in the pri­ mary circuit overheats.

  • Page 22: Main Components

    4 Description of the product Main components 4.3.1 Main boiler components Fig.11 IX 145–50 and IX 145–70 MW-1000013-7 1 Control panel 9 Gas valve 2 Flue gas measuring point 10 Burner 3 Flue gas connection 11 Safety thermostat on the combustion chamber door 4 Mounting point for a maximum of two AVS 75 12 Flue gas sensor modules.

  • Page 23: Main Burner Components

    4 Description of the product 1 Control panel 10 Gas valve 2 Flue gas measuring point 11 Burner 3 Flue gas connection 12 Safety thermostat on the combustion chamber door 4 Flue gas sensor 13 Flue gas fitting 5 Terminal block for the sensors and the remote 14 Automatic air vent control 15 Return temperature sensor...

  • Page 24: Control Panel Description

    4 Description of the product Control panel description 4.4.1 Description of the keys Fig.15 Shortcuts menu key Quick access to the operating modes Menu key MENU 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Selection and confirmation button Rotary button for navigating between menu or parameter screens...

  • Page 25: Standard Delivery

    4 Description of the product Type of information Symbol Description Operating modes Comfort operating mode: comfort room temperature Eco operating mode: reduced room temperature Operating mode: Heating 1 2 3 (1): Zone 1 active 1 2 3 (2): Zone 2 active 1 2 3 1 2 3 (3): Zone 3 active...

  • Page 26: Before Installation

    5 Before installation Before installation Installation regulations Warning The boiler must be installed by a qualified installer in accordance with local and national regulations. Installation requirements 5.2.1 Water treatment In many cases, the boiler and the heating system can be filled with mains water, without treating the water.

  • Page 27: Gas Supply

    5 Before installation 5.2.2 Gas supply Before mounting, check that the gas meter has sufficient capacity (in /h). To do this, you should bear in mind the consumption of all appliances. If the capacity of the gas meter is too low, inform the gas supply company.

  • Page 28: Choice Of The Location

    5 Before installation Fig.18 Pressure drops for IX 145–70 1 Q flow rate (litres/hour) 2 H pressure in metres of water column (mWC) 3 Operating water flow rate at nominal heat output = 1920 litres/hour where ∆T = 30 °C 4 Operating water flow rate at nominal heat output = 2880 litres/hour where ∆T = 20 °C 5 Operating water flow rate at nominal heat output = 3840 litres/hour...

  • Page 29: Ventilation

    5 Before installation Caution Install the thermodynamic water heater in a frost-free environment. Caution Install the boiler on a solid, stable structure able to bear its weight. Caution Do not stock chloride or fluoride compounds close to the boiler. They are particularly corrosive and may contaminate the combustion air.

  • Page 30: Overall Space Needed For The Boiler

    5 Before installation Ventilation to be provided for the boilers Fig.21 MW-3000011-04 5.3.2 Overall space needed for the boiler To ensure adequate access to the appliance and facilitate maintenance, allow sufficient space around the boiler, according to the information provided. Important Keep the boiler accessible at all times.

  • Page 31: Data Plate

    5 Before installation Fig.23 Space to be allowed for boilers equipped with a low-loss header kit, plate heat exchanger kit or cascade kit MW-1000019-04 5.3.3 Data plate Fig.24 The data plate is located on the back of the boiler. The data plate provides important information regarding the appliance: Serial number Model...

  • Page 32: Transport

    5 Before installation Fig.25 1/2 Z 1/2 H (min. 2,5 m) MW-8800N001-3 1/2 H (min. 2,5 m) 1 Optimum location H Inhabited height controlled by the sensor 2 Possible position Z Inhabited area controlled by the sensor Positions to be avoided Avoid placing the outside sensor in a position with the following characteristics: Masked by part of the building (balcony, roof, etc.).

  • Page 33: Unpacking & Initial Preparation

    5 Before installation Unpacking & initial preparation Fig.28 1. Remove the cardboard packaging. 2. Remove the plastic protection and the polystyrene cover. Caution Recycle the cardboard into recycling bins. The plastic sleeve and the polystyrene should be put into the household waste.

  • Page 34: Connecting Diagrams And Configuration

    6 Connecting diagrams and configuration Connecting diagrams and configuration One boiler + one direct circuit + one domestic hot water tank 6.1.1 Hydraulic connection Fig.30 Boiler + 1 direct circuit + 1 domestic hot water tank MW-3000018-06 1 Boiler flow 27 Non-return valve 1a Heating flow direct circuit 30 Calibrated and sealed safety unit...

  • Page 35: Electrical Connection

    6 Connecting diagrams and configuration 6.1.2 Electrical connection Fig.31 Boiler + 1 direct circuit + 1 domestic hot water tank 1 2 3 MW-3000114-08 2 Direct heating circuit pump 34 Modulating boiler pump (primary pump) 21 Outside temperature sensor 38 Remote control 26 DHW booster pump 167 Boiler control panel 33 Domestic hot water temperature sensor...

  • Page 36: One Boiler + One Underfloor Heating Circuit + One Direct Circuit + One Domestic Hot Water Tank

    6 Connecting diagrams and configuration One boiler + one underfloor heating circuit + one direct circuit + one domestic hot water tank 6.2.1 Hydraulic connection Fig.32 Boiler + 1 underfloor heating circuit + 1 direct circuit + 1 domestic hot water tank MW-3000019-06 1 Boiler flow 34 Modulating boiler pump (primary pump)

  • Page 37: Electrical Connection

    6 Connecting diagrams and configuration 6.2.2 Electrical connection Fig.33 Boiler + 1 underfloor heating circuit + 1 direct circuit + 1 domestic hot water tank AVS75 1 2 3 1 2 3 MW-3000115-08 1a Heating flow sensor 61 Mixed circuit flow temperature sensor 2 Heating pump direct circuit 93 Mixed circuit heating pump 21 Outside temperature sensor...

  • Page 38: Boilers In Cascade + One Underfloor Heating Circuit + One Direct Circuit + One Domestic Hot Water Tank

    6 Connecting diagrams and configuration For more information, see Modifying the installer parameters, page 70 List of installer parameters, page 76 Boilers in cascade + one underfloor heating circuit + one direct circuit + one domestic hot water tank 6.3.1 Hydraulic connection Fig.34 Boilers in cascade + 1 underfloor heating circuit + 1 direct circuit + 1 domestic hot water tank...

  • Page 39: Electrical Connection

    6 Connecting diagrams and configuration 6.3.2 Electrical connection Fig.35 Boilers in cascade + 1 underfloor heating circuit + 1 direct circuit + 1 domestic hot water tank 1 2 3 AVS75 1 2 3 93 44 (OCI345) (OCI345) MW-3000040-08 2 Heating pump direct circuit Other countries: safety device to safeguard against 21 Outside temperature sensor overheating of the underfloor heating, in accordance...

  • Page 40: Connecting Boilers In Cascade With A Oci 345 Module

    6 Connecting diagrams and configuration Important Relay the pumps if the current exceeds 1 A max. per output. 6.3.3 Connecting boilers in cascade with a OCI 345 module Connect the boilers included in the boiler cascade with OCI 345 modules (electronic devices that handle communication through a BUS link).

  • Page 41: Configuration For A Master Boiler And Slave Boilers

    6 Connecting diagrams and configuration 4. Set the following parameters on boiler 2: Tab.19 Settings on boiler 2 (slave boiler) Parameter number Parameter Adjustment required 5710 Temps / mode CH1 6600 Device address 6640 Clock mode Slave without remote setting For more information, see Modifying the installer parameters, page 70 List of installer parameters, page 76...

  • Page 42: Controlling A Boiler In 0-10 V Mode

    6 Connecting diagrams and configuration Controlling a boiler in 0-10 V mode 6.4.1 Electrical connection Fig.37 Boiler in 0–10 V mode AVS75 MW-3000041-06 34 Primary pump 310 AVS75: Option 38 Remote control with or without room temperature sensor Important Relay the pumps if the current exceeds 1 A max. per output. 6.4.2 Configuration of the control system 1.

  • Page 43: Installation

    7 Installation Installation General Installation must be carried out in accordance with the prevailing regulations, codes of practice and the recommendations in this manual. Preparation 7.2.1 Accessing the internal boiler components Fig.38 1. Remove the front panel by pulling firmly on the notches provided. MW-1000007-04 Fig.39 2.
  • Page 44 7 Installation Fig.40 3. Disconnect the earth wire. MW-3000122-02 Fig.41 4. Pull the top panel towards you and lift. MW-1000010-06 Fig.42 5. Unclip the panel for the control panel and place it on the notches provided. MW-3000025-02 7702703 - v04 - 05092019...

  • Page 45: Hydraulic Connections

    7 Installation Fig.43 6. Remove the detachable panel if necessary. The disassembly instructions can be found on the detachable panel. MW-3000026-02 Hydraulic connections 7.3.1 Connection of the heating circuit Abide by the mountings shown in the hydraulic diagrams. Caution The heating pipe must be mounted in accordance with the provisions applicable.

  • Page 46: Connecting The Expansion Vessel

    7 Installation Fig.45 3. Remove the anti-dust plug on the "heating return" inlet. 4. Connect the "heating circuit return" pipe to the "heating return" inlet on the boiler. Fig.46 5. Mount the filling and drain valves to the boiler's inlet and outlet (valves not provided).

  • Page 47: Connecting The Condensate Discharge Pipe

    7 Installation Volume of the expansion vessel for the installation Tab.23 Volume of the expansion vessel depending on the volume of the installation Initial pressure of Volume of the installation (in litres) the expansion ves­ > 300 50 kPa 12.0 14.4 Volume of the installation x (0.5 bar)

  • Page 48: Air Supply/Flue Gas Outlet Connections

    7 Installation 3. Connect the gas inlet pipe to the gas stop valve. Caution Ensure that there is no dust in the gas pipe. Connect the gas pipe in accordance with prevailing standards and regulations. Check the leak-tightness using a leak detector spray. For more information, see Gas supply, page 27 Air supply/flue gas outlet connections...

  • Page 49: Coaxial Pipes

    7 Installation Configuration Description The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below. The pipes must be certified for this type of use and for a temperature of more than 100 °C. The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 Standard.

  • Page 50: Separate Pipes (Not Provided)

    7 Installation The first 90° elbow is not taken into account in calculating the maximum length available. 7.5.3 Separate pipes (not provided) Fig.51 IX 145–50 and IX 145–70 505 377 MW-3000125-01 Fig.52 IX 145–90 and IX 145–110 354,5 245,5 MW-3000126-01 This type of pipe is used to discharge exhaust gases either to the outside of the building or into the individual flue gas pipes.

  • Page 51: Lengths Of The Air/Flue Gas Pipes

    7 Installation Tab.27 Flue system for boilers in cascade Boiler model Maximum number of boilers in cascade Diameter 125 mm Diameter 160 mm Diameter 200 mm (200 kW max) (250 kW max) (500 kW max) IX 145–50 IX 145–70 IX 145–90 IX 145–110 Caution For this type of extraction, each boiler must be fitted with a flue...
  • Page 52 7 Installation Fig.54 Rigid flue system B Fig.55 Through-roof flue system B Important For B configurations, the lengths given in the tables are valid for horizontal pipes with a maximum length of 1 metre. For each additional metre of horizontal pipe, subtract 1.2 m from the vertical length L Tab.28 Flue system connection type B...
  • Page 53 7 Installation Fig.56 Maximum length of the connections Tab.30 Maximum length for configuration C Configuration Unit IX 145–50 IX 145–70 IX 145–90 IX 145–110 Ø 80 / Ø 125 Ø 80 / Ø 125 Ø 110 / Ø 160 Ø 110 / Ø 160 L<10 m L<10 m L<10 m...

  • Page 54: Flue Gas System Accessories

    7 Installation Fig.58 Maximum length of the connections Tab.32 Maximum length for configuration C Configuration Unit IX 145–50 IX 145–70 IX 145–90 IX 145–110 Ø 80 / Ø 125 Ø 80 / Ø 125 Ø 110 / Ø 160 Ø 110 / Ø 160 L1<15 m and L1+L2 L<15 m and L1<7 m and L1+L2<27...

  • Page 55: Wiring The Terminal Blocks

    7 Installation Caution Provide a separate power supply for the pump and a power switch, if necessary. The output available per outlet is 450 W (2 A, with cos ϕ = 0.7) and the inrush current must be less that 16 A. If the load exceeds either of these values, the control must be relayed using a contactor that must in no circumstances be installed in the control panel.

  • Page 56: Description Of The Power Supply Terminal Block

    7 Installation 7.7.4 Description of the power supply terminal block Fig.62 T1 T2 S1 S2 Aux 1-2 230 V MW-1000015-06 1 Power supply 230 V 50 Hz 5 Heating circuit pump – QX1 2 Power supply auxiliary circuit 1 6 Domestic hot water pump – QX3 3 Power supply auxiliary circuit 2 7 Safety contact 4 Room thermostat H5 (230 V)

  • Page 57: Description Of The Sensor Terminal Block

    7 Installation Caution All connections are made to the terminal blocks provided for that purpose in the boiler connection box. The output available per outlet is 180 W (1 A, with cos ϕ = 0.8) and the inrush current must be less that 5 A. If the load exceeds either of these values, the control must be relayed using a contactor that must not be installed in the control panel under any circumstances.

  • Page 58: Filling The Siphon

    7 Installation 2. Flush the installation with at least 3 times the volume of water contained in the central heating system (until the water runs clear and shows no impurities). For more information, see Water treatment, page 26 Flushing an existing installation Before filling the heating installation, it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years.

  • Page 59: Commissioning

    8 Commissioning Commissioning General Commissioning the boiler is done for first time use, after a prolonged shut- down (more than 28 days) or after any event that would require complete re-installation of the boiler. Commissioning of the boiler allows the user to review the various settings and checks to be made to start up the boiler in complete safety.

  • Page 60: Checking The Electrical Connections

    8 Commissioning 8.3.2 Checking the electrical connections 1. Check for the presence of the recommended circuit breaker. 2. Check the electrical connection to the mains. 3. Check the connection of the sensors. 4. Check the position of the sensors. Respect the distance of the sensors according to the power.

  • Page 61: Setting The Air/Gas Ratio (Maximum Heat Input)

    8 Commissioning Fan speed according to gas type Tab.34 Fan speed for gas type G20 Parameter Parameter Output Unit IX 145–50 IX 145–70 IX 145–90 IX 145–110 number 9524 Required speed LF minimum 1500 1270 1250 1300 9524 Required speed LF minimum 1700 1470...
  • Page 62 8 Commissioning 3. Confirm the selection by pressing the button. The function 303 appears. Fonction de ramonage Fonction d’arrêt régulateur MENU MW-4000283-FR-01 4. Turn the button to select Full load. 5. Confirm the selection by pressing the button. 303:Fonct ramonage Puissance brûleur Régler ? Pleine charge...

  • Page 63: Setting The Air/Gas Ratio (Reduced Heat Input)

    8 Commissioning For more information, see Check-list before commissioning, page 59 CO2 checking and setting values, page 65 Gas valve basic settings, page 64 Using the fixed-speed boiler, page 91 Checking combustion (maximum heat input), page 107 8.4.3 Setting the air/gas ratio (reduced heat input) 1.

  • Page 64: Gas Valve Basic Settings

    8 Commissioning Fig.65 Connecting the flue gas analyser 7. Unscrew the left-hand plug, which corresponds to the flue gas measurement point connection. 8. Connect the flue gas analyser to the connection on the left. Important Ensure that the opening around the sensor is completely sealed when taking measurements.

  • Page 65: Co 2 Checking And Setting Values

    8 Commissioning Important For use with G31 gas, add two extra turns to the OFFSET adjustment screw. Fig.66 Gas valve for IX 145–50, and IX 1 Gas flow rate setting screw 145–70 The settings screw is screwed down as far as it will go and is then unscrewed according to the number of turns given in the above table.
  • Page 66 8 Commissioning Tab.39 Authorised CO ranges for G20 type gas for IX 145–50, IX 145–70 and IX 145–90 Unit at maximum power Authorised CO range at minimum power 7.8 - 8.2 7.9 - 8.3 8.0 - 8.4 8.1 - 8.5 8.2 - 8.6 8.3 - 8.7 8.4 - 8.8...
  • Page 67 8 Commissioning Unit at maximum power Authorised CO range at minimum power 8.5 - 8.9 8.6 - 9.0 8.7 - 9.1 8.8 - 9.2 (1) The CO value is valid with the front panel mounted. If the front panel is removed (open chamber), the value readout is lower by 0.2 %. (2) Nominal value.

  • Page 68: Adapting The Boiler To A Different Type Of Gas

    8 Commissioning Unit at maximum power Authorised CO range at minimum power 9.1 - 9.5 9.2 - 9.6 9.3 - 9.7 10.0 10.1 9.4 - 9.8 10.2 9.5 - 9.9 10.3 9.6 - 10.0 10.4 9.7 - 10.1 10.5 9.8 - 10.2 (1) The CO value is valid with the front panel mounted.
  • Page 69 8 Commissioning 5. Remount the connection pipe to the gas valve Tab.48 Torque load Reference Model Fastening Venturi end Fastening gas valve end IX 145–50 Clip G1” nut, torque: 40 N·m IX 145–70 Nut, Torque: 40 N·m Nut, Torque: 40 N·m IX 145–90 IX 145–110 6.

  • Page 70: Operation

    9 Operation Operation Use of the control panel 9.1.1 Modifying the user parameters Fig.70 1. Press the key to access the parameters. MENU Important Press the key to return to the main display. MENU The user parameters can now be accessed. Use the button to select and modify them.

  • Page 71: Stopping The Boiler

    9 Operation Fig.73 2. Start up the boiler by pressing the ON/OFF switch. 3. Press the key to access the shortcuts menu. 4. Select the Standby/operation parameter by turning the button. 5. Press the button to start up the boiler. symbol disappears.

  • Page 72: Special Functions

    9 Operation Special functions Tab.49 Number and Name of the Description function 301:Manual control The boiler operates in heating mode according to the programmed temperature set point val­ Adjustment range: 25 to 90 °C 303:Chimney sweep function Full load: boiler at its maximum heat output, Part load: reduced heat output, Heating full load: heating function at its maximum heat output.

  • Page 73: 10 Settings

    10 Settings 10 Settings 10.1 List of parameters 10.1.1 Shortcuts menu Tab.50 Functions accessible with the shortcut key Parameter Description Adjustment range Standby/operation Boiler standby/Start-up. Standby : Boiler put on standby. The symbol is displayed. The boiler's operating modes are deactivated. The frost protection function is activated.

  • Page 74: List Of User Parameters

    10 Settings Information Description Unit Minimum outside temperature value memorised °C Outside temp min Important The outside sensor must be connected. Maximum outside temperature value memorised °C Outside temp max Important The outside sensor must be connected. Hot water temp 1 Domestic hot water temperature °C Important...
  • Page 75 10 Settings Tab.55 Time program menu Parameter number Parameter Description Heating circuit Heating circuit 2 Heating circuit 3 Selecting the days or group of days for the timer pro­ Select days gram. Mon-Sun Selecting a default timer program. 1st Time ON Start of timer period 1.

  • Page 76: List Of Installer Parameters

    10 Settings Tab.58 Temps / mode CH1 – Temps / mode CH2 – Temps / mode CH3 menu Parameter number Parameter Description Factory setting Heating Heating Heating cir­ circuit 1 circuit 2 cuit 3 1000 1300 The control unit is installed on the boiler: Off : heating is deactivated.
  • Page 77 10 Settings Parameter Parameter Description Factory set­ number ting Used as Operator unit 1 : The control system unit is installed on the boiler. Room unit 1 : The control system unit is configured as a room tem­ perature unit for heating circuit 1. Operator unit Room unit 2 : The control system unit is configured as a room tem­...
  • Page 78 10 Settings Parameter number Parameter Description Unit Factory set­ ting Heating Heating Heating circuit 1 circuit 2 circuit 3 1050 1350 Room influence Influence of the room temperature and the outside temperature on calculating the flow temperature: ---%: Simple regulation in ac­ cordance with outside weather conditions: 1…99%: Regulation in accordance with out­...
  • Page 79 10 Settings Parameter Parameter Description Factory setting number 1620 Release Start-up enabled: Time hot water Time hot water : This setting provides domestic hot water prep­ aration with a dedicated timer program. Time setting central heating : Domestic hot water is released with the same timer program as the heating circuits.
  • Page 80 10 Settings Tab.65 Configuration menu Parameter Parameter Description Factory set­ number ting 5710 Temps / mode CH1 Activation of heating circuit 1: 5715 Temps / mode CH2 Activation of heating circuit 2: 5721 Temps / mode CH3 Activation of heating circuit 3: 5730 Hot water sensor Selection of the domestic hot water sensor:...
  • Page 81 10 Settings Parameter Parameter Description Factory set­ number ting 5890 Relay output QX1 None heating Circulating pump Q4 : Domestic hot water circulating pump. pump CH1 El imm heater HW K6 Collector pump Q5 : Circulating pump for the solar collector circuit. Cons circuit pump VK1 Q15 : The VK1 consumer circuit pump can be used for an additional boiler consumer.
  • Page 82 10 Settings Parameter Parameter Description Factory set­ number ting 5931 Sensor input BX2 None : No function on the sensor input. None Hot water sensor B31 : Sensor in the bottom section of the domestic hot water tank. Collector sensor B6 : Solar collector sensor. HW circulation sensor B39 : Circulation / DHW preparation sensor.
  • Page 83 10 Settings Parameter Parameter Description Factory set­ number ting 5977 Function input H5 None Room Optg mode change CHs+HW : Heating and domestic hot water circuit thermostat changeover mode. Optg mode changeover HW : Domestic hot water circuit changeover mode. Optg mode changeover CHs : The regimes of the heating circuits are switched to parameter mode on line 900-1200-1500.
  • Page 84 10 Settings Parameter Parameter Description Factory set­ number ting 6200 Save sensors Records the sensors used in the appliance. 6212 Check no. heat Information on the manufacturer source 1 6213 Check no. heat source 2 6215 Check no. storage tank 6217 Check no.
  • Page 85 10 Settings Parameter Description Factory setting Extension module 1 Extension module 2 Extension module 3 6050 : Funct value 1 6058 : Funct value 1 6066 : Funct value 1 Definition of parameters for collec­ H2 module 1 H2 module 2 H2 module 3 tor specifications 6051 : Voltage value 2...
  • Page 86 10 Settings Parameter Parameter Description Factory set­ number ting 7147 Type of venting Venting cycle operating mode: None None Heating circuit continuous Heating circuit cycled Hot water continuous Hot water cycled 7170 Telephone customer service 7231 Refill time current Value displayed week 7232 Refill time to date...

  • Page 87: Setting The Parameters

    10 Settings Tab.71 Burner control menus Parameter num­ Parameter Description 9512 Required speed ignition Ignition speed set point adjustable on the operating interface. 9524 Required speed LF Rotation speed set point at partial load adjustable on the operating interface. 9529 Required speed HF Rotation speed set point at nominal load adjustable on the operating interface.

  • Page 88: Changing The Operating Mode

    10 Settings 10.2.3 Changing the operating mode Fig.78 1. Press the key to access the shortcuts menu. 2. Select the parameter Central heating mode CH1 by turning the button. 3. Press the button to confirm. 4. Select the appropriate operating mode. 5.

  • Page 89: Setting The Domestic Hot Water Temperature Set Point

    10 Settings For more information, see Shortcuts menu, page 73 10.2.7 Setting the domestic hot water temperature set point Fig.80 1. Press the key to access the shortcuts menu. 2. Select the parameter Hot water temp setpoint by turning the button.
  • Page 90 10 Settings Fig.82 4. Select the Holiday period to be programmed by turning the button. 5. Confirm by pressing the button. Holiday heating CH1 Preselection Period 1 MENU MW-3000073-EN-02 Fig.83 6. Select the Start parameter by turning the button. 7. Confirm the menu selection by pressing the button 8.

  • Page 91: 10.2.10 Using The Fixed-Speed Boiler

    10 Settings 10.2.10 Using the fixed-speed boiler Using the boiler according to heat input makes it possible to calibrate the gas valve. The heat input corresponds to the speed of the boiler in percentage of the nominal output. Fig.86 1. From the home screen, press the keys simultaneously.

  • Page 92: 10.2.12 Locking/Unlocking Parameter Modification

    10 Settings 10.2.12 Locking/Unlocking parameter modification It is possible to lock all functions associated with the key to prevent MENU unauthorised persons from modifying the parameters. Locking parameter modification 1. Press the key to access the user parameters menu. MENU 2.

  • Page 93: 10.2.13 Timer Programme

    10 Settings Fig.92 7. Confirm the menu selection by pressing the button. 8. Select the setting On by turning the button. 9. Confirm the menu selection by pressing the button. The parameters can be modified. Operator unit Programming lock MENU MW-3000096-EN-02 10.2.13 Timer programme Important...
  • Page 94 10 Settings Pre-setting selected Hours programmed Time setting 1 6:00 to 23:00 Time setting 2 06:00...08:00 – 17:00...23:00 Time setting 3 06:00...08:00 – 11:00...13:00 – 17:00...23:00 For more information, see Changing the operating mode, page 88 Default time ranges Tab.74 Time ranges according to the groups of days selected Program line 514 (heating), 574 (domestic hot water) Groups of days...
  • Page 95 10 Settings Fig.95 5. Confirm the parameter selection by pressing the button. The current selection flashes. 6. Select a weekly interval by turning button. 7. Confirm the weekly interval selection by pressing the button. Time central heating CH1 Select days Mon - Sun MENU MW-3000130-EN-02...
  • Page 96 10 Settings Fig.98 3. Select the Time central heating CH1 menu by turning the button. Important For heating circuits 2 and 3, select the parameters Time central heating CH2 or Time setting 3/CHP. For the domestic hot water circuit, select the parameter Time ---------------------------------------------------- hot water.
  • Page 97 10 Settings Fig.102 12. Select the parameter 1st Time OFF (502, 522, 542 or 562) by turning button. Time central heating CH1 Mon - Sun: 1st Time OFF 22:00 MENU MW-3000136-EN-02 Fig.103 13. Confirm the menu selection by pressing the button.
  • Page 98 10 Settings Fig.104 3. Select the Time central heating CH1 menu by turning the button. Important For heating circuits 2 and 3, select the parameters Time central heating CH2 or Time setting 3/CHP. For the domestic hot water circuit, select the parameter Time ---------------------------------------------------- hot water.
  • Page 99 10 Settings Resetting the timer programs to zero 1. Press the key to access the parameters. MENU Fig.108 2. Select the Time central heating CH1 menu by turning the button. Important For heating circuits 2 and 3, select the parameters Time central heating CH2 or Time setting 3/CHP.

  • Page 100: 10.2.14 Setting A Temporary Heating Flow Temperature

    10 Settings 10.2.14 Setting a temporary heating flow temperature Fig.111 1. From the control panel main screen, turn the button to increase or reduce the temperature value. 2. Confirm the menu selection by pressing the button. Temporary setpoint MENU MW-3000143-EN-02 10.2.15 Heating curves Fig.112 MW-4000351-1...

  • Page 101: Accessing The Information Menu

    10 Settings 1. Set the following parameters on the master boiler: Tab.77 Configuration of the master boiler in a cascade Parameter num­ Parameter Description Setting 3540 Auto source seq ch'over Operating time before the auto­ Number of hours matic change of the master boiler sequence.

  • Page 102: 11 Maintenance

    11 Maintenance 11 Maintenance 11.1 General We recommend having the boiler inspected and serviced at regular intervals. Caution Do not neglect to service the boiler. Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boiler. Failure to service the appliance voids the warranty.

  • Page 103: Removing The Burner

    11 Maintenance 11.2.2 Removing the burner 1. Switch off the mains supply to the boiler. 2. Close the gas inlet valve. 3. Close the valves on the heating circuits. 4. Access the internal boiler components. Fig.114 5. Disconnect the power and command cables on the fan. Fig.115 6.

  • Page 104: Cleaning The Heat Exchanger

    11 Maintenance Fig.117 8. Disconnect the 2 wires from the safety thermostat on the combustion chamber door and the pin under the ignition electrode. Fig.118 9. Remove the nuts holding the burner in place on the heat exchanger. Fig.119 10. Remove the fan, the Venturi and the burner to access the inside of the heat exchanger.

  • Page 105: Checking The Burner

    11 Maintenance Fig.120 2. Clean the pipes inside the heat exchanger using diluted white vinegar and a nylon brush. 3. Flush with water. Important The water will exit the heat exchanger by passing through the condensates discharge siphon. Fig.121 4. After twenty minutes, wash off any dirt with a powerful water jet. Caution Do not use a high-pressure cleaner.

  • Page 106: Cleaning The Siphon

    11 Maintenance Fig.123 6. Check the L2 distance between the ignition electrode and the burner. Tab.79 Ignition electrode and burner Boiler L2 distance IX 145–50 10 mm / tolerance of +/- 1 mm IX 145–70 IX 145–90 IX 145–110 7.5 mm / tolerance of +/- 1 mm Important Replace the ignition electrode if it is damaged.

  • Page 107: Remounting The Burner

    11 Maintenance 11. Remount the burner. For more information, see Removing the burner, page 103 Accessing the internal boiler components, page 43 Remounting the burner, page 107 11.2.6 Remounting the burner 1. Remount the pipe connecting the gas valve to the Venturi unit. 2.

  • Page 108: Replacing The 4 A Fuses On The Electrical Terminal Blocks

    11 Maintenance Fig.127 2. Coaxial pipes: if necessary, check the return into circulation of any combustion products. The sensor will then be connected to the outlet connected to the combustion air intake circuit. For more information, see Using the fixed-speed boiler, page 91 CO2 checking and setting values, page 65 Checking combustion (reduced heat input), page 108 Setting the air/gas ratio (maximum heat input), page 61...
  • Page 109 11 Maintenance Fig.130 2. Open the fuse-holder socket with the eyelet. 3. Take out the damaged fuse and replace it with an identical one (4 A). 4. Check the fuse L, proceeding in the same way. 7702703 - v04 - 05092019...

  • Page 110: 12 Troubleshooting

    12 Troubleshooting 12 Troubleshooting 12.1 Error codes Fig.131 A Error code B Secondary error code C Description of the error Important Press the key to return to the main display. MENU symbol continues to be displayed on the control panel. If the error is not resolved after one minute, the error code is displayed on the control panel a second time.
  • Page 111 12 Troubleshooting Description of the er­ Display Probable causes Check/Solution 40:Return sensor 1 Check that the return sensor has The return sensor is not correctly been correctly connected to the connected boiler PCB Use a suitable multimeter to check NTC return sensor the resistance (Ω) of the sensor ac­...
  • Page 112 12 Troubleshooting Description of the er­ Display Probable causes Check/Solution 83:BSB short-circuit Communication prob­ Check that the wire connecting the The wire connecting the control unit lem between the boil­ control unit to the boiler has been to the boiler is not connected prop­ er PCB and the con­...
  • Page 113 12 Troubleshooting Description of the er­ Display Probable causes Check/Solution 128 128:Loss of flame in Check that the gas inlet valve is open and that the gas pressure is Flame extinguished. The flame has gone out not too low. Also check that the combustion product discharge and air supply pipes are not blocked 130 130:Flue gas temp...
  • Page 114 12 Troubleshooting Description of the er­ Display Probable causes Check/Solution 321 321:HW outlet The sensor is not correctly connec­ Check that the sensor has been sensor ted to the boiler sensor terminal correctly connected to the boiler block sensor terminal block Domestic hot water Use a suitable multimeter to check sensor damaged.

  • Page 115: Automatic Error Code Clearing

    12 Troubleshooting Important This list is not exhaustive. Other error codes may be displayed. Contact the accredited technical support service. 110:Lockout SLT error The code 110:Lockout SLT is displayed when overheating occurs due to a breach in the insulation: Remove the heat exchanger. Replace the insulation behind the burner bracket.

  • Page 116: Clearing Error Codes

    12 Troubleshooting 12.3 Clearing error codes If the probable cause of an error code is resolved but the error code continues to be displayed, proceed as follows to clear the error code: 1. Press the button. The command Reset? Yes is displayed on the control panel. 2.

  • Page 117: 13 Decommissioning

    13 Decommissioning 13 Decommissioning 13.1 Decommissioning procedure Caution Only qualified professionals are authorised to carry out maintenance work on the boiler and the heating system. To switch off the boiler temporarily or permanently, proceed as follows: 1. Switch the boiler off. 2.

  • Page 118: 14 Spare Parts

    14 Spare parts 14 Spare parts 14.1 General If inspection or maintenance work bring to light the need to replace a component in the boiler: Provide the reference number given in the spare parts list when ordering a spare part. 7702703 - v04 - 05092019...

  • Page 119: Spare Parts Lists

    14 Spare parts Caution Only genuine spare parts may be used. 14.2 Spare parts lists Warning The spare parts list to be used depends on the "Spare part ID" reference indicated on the label affixed to the rear of the boiler. 14.2.1 IX 145–50 and IX 145–70 Fig.135...
  • Page 120 14 Spare parts Fig.136 Internal view 64-65 93-96 87-88 92-95 67-68 22-69 83 85 82 MW-2000821-2 Tab.82 IX 145–50 and IX 145–70 spare parts list Marker Reference Description IX 145–50 IX 145–70 200019180 Front panel - 2 complete units 200019786 Spring kit for front panel (x10) 7694284 Painted cover...
  • Page 121 14 Spare parts Marker Reference Description IX 145–50 IX 145–70 7694168 Foam side panel 7695760 Foam front panel 7606184 Condensate hose S56987 Screw H with serrated flange, M6-16 Zn (x10) 7693903 Complete rear panel 7676857 Complete base frame 7104020 Mixer with small bi-valve Ø 24 mm 851097 Ignition cable 300024451...
  • Page 122 14 Spare parts Marker Reference Description IX 145–50 IX 145–70 7103860 High temperature air gas collector 97758747 Elastic nut Pal 3/4" 7106243 High temperature burner gasket 541081 Flange gasket 521278 Glass fibre Ø 6 length 615 mm 95013060 Green gasket 24x17x2 95770651 Screw Cbl Z St 2.9-6.5 C Zn 95800252...
  • Page 123 14 Spare parts Marker Reference Description IX 145–50 IX 145–70 7101891 CTN sensor S011021 Smd 7103907 Igniter bracket 7104016 Gas valve 848156 Mm 7105585 Nut M6X75 541073 Heat exchanger insulating surface 7706872 Black plug, diameter 6.5 mm 7615287 Control panel Advance 300026529 Complete white door + handle RAL9006 300026530...

  • Page 124: 145-90 And Ix 145-110

    14 Spare parts 14.2.2 IX 145–90 and IX 145–110 Fig.137 Casing 58-59 7702703 - v04 - 05092019...
  • Page 125 14 Spare parts Fig.138 Internal view 62-63 116-117 80-81 90-93 78 72 73 74 77 84 86-88 102 101 89-92 Tab.83 Spare parts list for IX 145–90 and IX 145–110 Marker Reference Description IX 145–90 IX 145–110 200019243 Front panel - 3 complete modules 200019786 Spring kit for front panel (x10) 7618314...
  • Page 126 14 Spare parts Marker Reference Description IX 145–90 IX 145–110 0293359 Cable clamp top (x2) 300024488 White bipolar switch 7101836 Gasket for PCB 144703 Control panel cover 7606186 Control panel hook 7688847 Foam side panel 7688749 Foam front panel 7693877 Complete frame 7103734 High temperature condensate collector...
  • Page 127 14 Spare parts Marker Reference Description IX 145–90 IX 145–110 521278 Glass fibre Ø 6 length 615 mm 7606226 Complete burner 7606844 Complete burner 7101123 Sight glass flange 7101121 Sight glass 7101122 Gasket for sight glass 7102200 Ignition electrode 7102207 Ionisation probe 7101156 Venturi gasket...
  • Page 128 14 Spare parts Marker Reference Description IX 145–90 IX 145–110 7712718 Complete right bracket for duo body 7712717 Complete left bracket for duo body 7606342 Complete nozzle Ø 110/160 7104459 Gasket G1 1/2" C.S. 541242 Blanking plate sheet gasket 541073 90 kW exchanger insulating surface 7104878 110 kW exchanger insulating surface...

  • Page 129: 15 Disposal/Recycling

    15 Disposal/recycling 15 Disposal/recycling 15.1 Disposal and recycling Caution Only qualified professionals are permitted to remove and dispose of the boiler, in accordance with local and national regulations. Fig.139 If you need to remove the boiler, proceed as follows: 1. Switch off the boiler. 2.
  • Page 130 15 Disposal/recycling 7702703 - v04 - 05092019...
  • Page 131 © Copyright All technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.
  • Page 132 DE DIETRICH FRANCE Direction de la Marque 57, rue de la Gare - F-67580 Mertzwiller 03 88 80 27 00 03 88 80 27 99 www.dedietrich-thermique.fr VAN MARCKE 000 «БДP T » EPМ�� 129164, Россия, г. Москва Weggevoerdenlaan 5 Зубарев переулок, д. 15/1 B- 8500 KORTRIJK Бизнес-центр...

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