Buderus 500 - 24/S Installation And Maintenance Instructions Manual
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Buderus 500 - 24/S Installation And Maintenance Instructions Manual

Gas wall hung boiler condensing
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See also: Servicing Manual , User Manual
7215 3000 – 08/2006 GB/IE (en)
7215 3000 - 08/2006 GB/IE (EN)
Installation and maintenance
instructions
Gas wall hung Boiler condensing
Buderus 500 - 24/S
Please read thoroughly
For the installer
For the installer

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  • Page 1 7215 3000 - 08/2006 GB/IE (EN) 7215 3000 – 08/2006 GB/IE (en) For the installer For the installer Installation and maintenance instructions Gas wall hung Boiler condensing Buderus 500 - 24/S Please read thoroughly...
  • Page 2 Updating the documentation If you have suggestions for improvement or have found discrepancies, please do not hesitate to contact us. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 3: Table Of Contents

    Please complete the appropriate sections on completion of the installation and commissioning. REMEMBER : Please hand the log book back to the user. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 4: Regulations And Directives

    BS 6798, Clause 12, and BS 5440:2 may be disregarded. heating water as part of a central heating system and/or hot-water system. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions Buderus 500 - 24/S • 08/2006...
  • Page 5 In hard water areas, treatment to prevent lime scale may be necessary - however, the use of artificially softened water is NOT permitted. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 6 = Room Thermostat = ModuLink 250 RF Receiver = Timer = Thermostatic Radiator Valve = Wiring Centre = Two Port Zone Valve Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions Buderus 500 - 24/S • 08/2006...

  • Page 7: Installation

    Ø mm Condensate water outlet Ø inch Pressure relief valve (compression fitting) Ø mm 15 (adapter supplied with boiler) Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 8 IP X4D Boiler dimensions and weight Height x Width x Depth 780 x 460 x 330 Weight (without casing) Casing Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 9: Dimensions, Connections And Assembly

    PRV = Pressure relief valve Ø 15 mm (compression fitting) NOTE See wall-mounting template for the necessary clearances. The wall spacing frame may not always be necessary. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 10: Items Supplied With Unit

    Hang the wall mounting template. fig. 2 Installation Drill the necessary holes. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 11: Water Circulation System

    Ø22 mm. 3: CH return The complete installation MUST be tested for gas tightness and purged as described in IGE/UP/1b. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 12 It should be noted that the connection of a condensate pipe to a drain may be subject to local building controls. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 13 9 External termination of condensate drainage pipe via internal discharge branch (e.g. sink waste) and condensate syphon Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 14 50 mm from bottom of tube and facing away from house fig. 11 External termination of condensate drainage pipe to absorption point Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 15: Flue Installation

    It is important that the position of the terminal allows the free passage of air at all times. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 16 – item 1: Flue turret 60/100; – item 2: Horizontal flue terminal 60/100; – item 3: Flue finishing kit. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 17 Maximum wall thickness without extensions is 415 mm. Maintain a minimum side clearance of 8 mm (see fig. 14). fig. 16 Vertical flue length Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 18 80/125 flue gas systems, because the flue outlet of the boiler is 60/100. Weathering slates for 60/100 and 80/125 Flat roof, pitched roof. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 19 Fit the horizontal flue turret (fig. 19) onto the appliance flue connector. Flue gas testing point fig. 19 Horizontal flue turret with flue gas testing point Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 20 Raised Ring locating the Outer terminal relative Wall to the outside Face wall face fig. 23 Flue terminal position Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 21: Electrical Connections

    High voltage Low voltage WARNING! Do not connect 230V to the connection block on the back of the DBA. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 22: 1.10 Electrical Wiring Diagram

    24 VAC 24 VAC HW TANK SENSOR (Boulter Buderus prod.) RTH-CONVERTER OR MODULINK 250 RF Flow sensor Safety sensor Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 23 500-24/S with an external hot water cylinder. Only remove the wire bridge when installing a hot water cylinder. – Terminal 5, 6 and 7 are used for an external Buderus 3-way valve (see subsection 1.10: "Electrical wiring diagram" on page 22).
  • Page 24 (fig. 28). fig. 28 Place receiver into bracket Remove the boiler's casing. fig. 29 Remove casing Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 25 1 and 2 of the room thermostat connection on the back of the DBA (see fig. 32, item 1). RTH- converter fig. 32 Room thermostat connection on DBA Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 26 Lead the control device wire through the cable lead. Fix the wire to terminal 1 and 2 of the volt free connection (fig. 33, item 3). Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 27: 1.11 System Examples

    / main living area fig. 34 CAUTION! The BCT and BDV are Buderus products. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 28 Installation Buderus 500-24S with external 230V connection (Y-plan ; see fig. 35 and 36) Key to abbreviations: Cylinder AV = Air Vent CB = Connector Block CHF = Central Heating Flow CHR = Central Heating Return Condensing gas boiler CT = Cylinder Thermostat 500 –...
  • Page 29 Installation Buderus 500-24S with external 230V connection and two port zone valves (S-plan ; see fig. 37 and 38) Key to abbreviations: Cylinder AV = Air Vent CB = Connector Block CHF = Central Heating Flow CHR = Central Heating Return...

  • Page 30: Commissioning

    2.1.1 Fill the heating system WARNING! The wall-mounted condensing gas system boiler must not be activated at this stage. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 31 1.0 bar then top up the system as described previously. Disconnect the filling loop and cap off. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 32 44). fig. 43 Disconnect hose from condensate trap fig. 44 Remove the condensate trap and fill with water Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 33 Press the C button if you want to make sure that the boiler is actually operating at partial load ('Lo' appears in the display, fig. 47). fig. 47 DBA display Lo Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 34 When summer operation is active then the boiler will not operate for central heating until summer operation has been deactivated. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 35 3.45 Standard – measuring the working gas-supply pressure (boiler operating at full power). table 3 Gas injector diameter Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 36 If the required connection pressure is incorrect item 1: Gas valve closed contact your gas supplier. item 2: Gas valve open Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 37 (see fig. 55). fig. 55 DBA with open-end spanner Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 38 The product must be certified as a gasleak- testing agent. Do not allow the product to come into contact with the electrical wiring. Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 39 Explain and demonstrate the lighting and shutting down procedures. NOTE Always keep the user manual and installation and servicing instructions available for feed- back. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 40: Inspection

    Check the pre-pressure of the expansion vessel 3.2.6 Check the hot water cylinder for leakage 3.2.7 Check the programming of the room thermostat Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 41: Maintenance

    Now the front cover of the heat exchanger can be removed by opening the latches (fig. 60, item 1). fig. 62 Remove gas air unit Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 42: Cleaning The Condensate Trap And Syphon

    Undo the condensate drain connection (see fig. 64, item 1) and remove the syphon. Rinse and refit the syphon. fig. 65 Remove the condensate trap Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 43: Appendix

    The contacts of the flow sensor or safety sensor are broken. Reset is carried out. This code appears after the reset button B is pressed for 5 seconds. Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 44: Residual Pump Lift

    100mm Lipring 78121 Burner 73668 60mm seal (bottom flue gas pipe) 73563 Heat exchanger - Gas/air supply seal 73728 Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 45 Clips (set of 5 pc.) 73653s – 78180s (set of 5 pc.) Receiver bracket 78200 Wall spacing frame 75972 Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 46 Appendix Exploded view Single unit (Buderus 500-24/S) Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements! Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...

  • Page 47: Index

    ........35 Subject to modifications resulting from technical improvements! Buderus • http://www.buderus-domestic.co.uk Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006...
  • Page 48 Fax: 01905 - 456 445 / 455 394 Returns: Tel: 01905 - 752 531 Fax: 01905 - 455 392 Spares: Tel: 01905 - 752 576 Fax: 01905 - 754 620 www.buderus-domestic.co.uk Buderus is a trading name of BBT Thermotechnology UK Ltd.

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