User manual
Contents
1. fig 1 DBA item 1 mains switch item 2 reset button item 3 service button item 4 display item 5 menu button item 6 adjusting arrow up item 7 adjusting arrow down fig 2 DBA display Subject to modifications resulting from technical improvements Users manual for Buderus 500 24 S edition 02 2006 10 Initial start up 10 1 Preparing for operation Please also note the user manual supplied with the external time controls and thermostat 10 1 1 Check water pressure Check the pressure gauge fig 3 item 3 located at the bottom of the boiler for the current system pressure Optimum system pressure is 1 5 bar 10 1 2 Topping up the heating system WARNING A The wall mounted condensing gas system boiler must not be activated at this stage The system should be filled with untreated mains water Turn off the boiler by setting the mains switch to 0 f necessary open the CH flow and CH return servicing valves fig 3 item 1 and 2 Connect filling loop accessory fig 5 Open both stop valves fig 5 Fill the system to a pressure of approx 1 5 bar fig 3 item 3 Shut both stop valves Disconnect the filling loop Vent all radiators from air starting with the lowest radiator and working your way up to the highest point Check the pressure after venting If the pressure has dropped under 1 0 bar then top up th2. http www buderus domestic co uk 4 3 Working in the heating system A DANGER Only a CORGI registered Engineer is to be entrusted with the installation of this boiler the gas supply and the flue connection Commission ing Servicing and any Repairs must be carried out by a competent person i e a CORGI Registered Engineer All CORGI Registered Installers carry a CORGI identification card and have a registration number Both should be recorded in your boiler logbook You can check if your installer Engineer is registered by telephoning 01256 372300 or by writing to CORGI 1 Elmwood Chineham Business Park Crockford Lane Basingstoke RG24 8WG NOTE a The heating boiler is designed exclusively for heating water as part of a central heating system and or hot water system It is recommended to enter into a service contract with a specialist company 4 Functions of the system and operating instructions The installer should familiarize the user with the functions and operation of the heating system and ensure that a complete set of technical documentation is supplied 5 Maintenance intervals For optimum long term reliable functioning of the heating boiler and in order to be able to claim under the terms of the manufacturer s warranty the heating boiler must be inspected and maintained at least once a year under normal operating conditions by an officially recognized installation and service engineer The t
3. Buderus http www buderus domestic co uk 9 Buderus http Avww buderus domestic co uk Subject to modifications resulting from technical improvements et 10 Users manual for Buderus 500 24 S edition 02 2006 Subject to modifications resulting from technical improvements Buderus http www buderus domestic co uk a Users manual for Buderus 500 24 S edition 02 2006 11 Buderus Buderus Cotswold Way Warndon Worcester WR4 9SW Telephone 01905 752 936 Fax 01905 753 130 Customer Services Tel 0870 421 5933 Technical Product Support Tel 0870 421 5944 Sales Tel 01905 752 640 Fax 01905 456 445 455 394 Returns Tel 01905 752 531 Fax 01905 455 392 Spares Tel 01905 752 576 Fax 01905 754 620 721 532A 4612 02 2006 www buderus domestic co uk Buderus is a trading name of BBT Thermotechnology UK Ltd
4. with a damp cloth and soap and finish off with a dry cloth DO NOT use abrasive cleaning materials G C Aplliance No Buderus 500 24 S 41 110 24 Buderus http www buderus domestic co uk 2 Subject to modifications resulting from technical improvements Users manual for Buderus 500 24 S edition 02 2006 Contents 1 Safety precautions Installation area boiler room Working in the heating system kb OO N Functions of the system and operating instructions 00 eee eee eee ee Maintenance 00000eeeauceuee Conversion to LPG 00000uuee on O0 Oo gt ley o lt 2 e 7 9 DBA ies eo gia Sy ar dee cach wi ae arava toe at ane EY 10 Initial start up 0 22 e eee eee 10 1 Preparing for operation 10 2 Operational and fault codes 11 Taking the system out of service 11 1 Draining the system in case of frost Subject to modifications resulting from technical improvements Users manual for Buderus 500 24 S edition 02 2006 Preface Dear Customer Your Buderus 500 Series wall mounted condensing gas sys tem boiler has been designed and built in accordance with state of the art technological standards and the recognised safety rules Special focus has been placed on operator con venience in this respect Carefully read the safety instructions and
5. 2006 5 9 DBA The boiler is equipped with a DBA This is the internal control of the boiler The DBA is located behind the access panel The DBA allows you to operate the boiler and to make adjust ments in its settings DBA overview 1 Mains switch see fig 1 Use this switch to turn the boiler on or off 2 Reset button B see fig 1 When a blinking code is in the display it is possible to try and restart the boiler by pressing this button NOTE i It is not possible to reset the boiler when there is no fault code blinking in the display 3 Service Button A see fig 1 Is used for servicing purposes only DO NOT use this button 4 Display see fig 1 The display visualizes settings adjustments and fault codes see fig 2 5 Menu button E see fig 1 The menu button E allows you to scroll through the menu items Pressing the E button once the current DHW temperature in combination with an external hot water cylinder setting is displayed Pressing the E button again gives the current setting of summer operation Pressing the E button once more gives the current CH flow temperature setting 6 and 7 Up C and Down D keys see fig 1 These keys can be used for adjusting temperatures and activating or de activating certain summer operation The C key when pressed gives the current operating status of the boiler Buderus http www buderus domestic co uk 6
6. 7215 3200 02 2006 GB EN Users Manual Gas wall hung Boiler condensing Buderus 500 24 S ey aay N benchmark Please read thoroughly before operating the unit For the user Buderus Introduction Please read these instructions and follow them carefully for a safe and economical use of your system boiler Important general instructions for use This device should only be used for its intended purpose and in accordance with the regulations It is a requirement and in your own interest and that of safety that this boiler must be installed by a CORGI registered installer in accordance with the relevant requirements of the current Gas Safety Installation and Use Regulations The Building Regulations current I E E Wiring Regulations and the relevant British Standard Codes of Practise The device may only be used in combination with the units accessories and spare parts listed in the installation and maintenance instructions Other combinations of units accessories and consumables are only to be used if they completely fulfil the specifications involved and if system performance and safety are not affected in any way Subject to technical modifications As a result of our policy of constant development there may be small differences with respect to illustrations functional steps and technical data Cleaning For normal cleaning simply dust with a dry cloth To remove stubborn marks and stains wipe
7. e system as described previously Disconnect the filling loop and cap off NOTE i If there are frequent water losses have the system examined and repaired by a CORGI registered installer Have the inhibitor concen tration checked every year Subject to modifications resulting from technical improvements Users manual for Buderus 500 24 S edition 02 2006 CH flow GAS CH return 1 3 2 fig 3 Servicing valves fig 4 DBA Mains switch stop stop valve valve 1 double P ternal ae OMG valve filling return fig 5 Filling loop Buderus http www buderus domestic co uk 7 10 1 3 Temperature setting adjustments Setting the domestic hot water DHW temperature in combination with an external hot water cylinder Press E button see fig 6 item 2 once then adjust the DHW temperature to the desired temperature 40 C 60 C using the C and D keys see fig 6 item 1 Factory setting is 48 C Setting the boiler to summer operation When you want to make sure that your boiler will not operate z for central heating in the summer then you can s
8. erm normal operating conditions means that the heating boiler is used to provide central heating and or hot water to no more than one single family dwelling In all other cases the heating boiler must be inspected and maintained by an officially recognised installation service engi neer every 2 500 burner operating hours 6 Conversion to LPG The boiler is suited for natural gas To convert the boiler to LPG you must contact a CORGI registered fitter 7 Abbreviations DBA Control unit Dedicated Burner Automat CH flow Central heating flow CH return Central heating return MCW Mains Cold Water Subject to modifications resulting from technical improvements Users manual for Buderus 500 24 S edition 02 2006 8 Permanent clearances The boiler must be located in an area with the following permanent clearances i Z A Z Z Z i 7 z Z Ye Va Us 7 Y Z Wi 7 Vv i Z H i V7 f We NOTE The permanent clearances do not change if a wall spacing frame is used The installer or service engineer must be able to create sufficient service clearences These clearences should have been considered at time of installation Subject to modifications resulting from technical improvements Buderus http www buderus domestic co uk Users manual for Buderus 500 24 S edition 02
9. et the boiler to summer operation The boiler will then only operate for DHW A in combination with an external hot water cylinder oh oH TON BNE Press the E button see fig 6 item 2 twice T The current setting blinks fig 6 DBA control panel Use the C and D keys to adjust to desired setting 9 P Central heating is on Central heating is off summer operation DHW is still available in combination with an external hot water cylinder When summer operation is active then the boiler will not operate for central heating until summer operation has been deactivated 1 pi Setting the flow temperature for CH Press E button see fig 6 item 2 three times then adjust the flow temperature to the desired temperature 30 C 80 C using the C and D keys see fig 6 item 1 Factory setting is 80 C It is not possible to set the flow temperature when the boiler is set to summer operation 10 2 Operational and fault codes Display after Operating conditions and possible faults can be seen pressing pr essing Meaning Rectification the C key service button All codes not contained in table 1 should be noted down separately These are malfunctions that require the presence OA OC OE Bolisvisteady tor of a CORGI installer OH OL OU y operation OY Press Reset button B fig 6 item 3 If the 6A Burner not ignited burner fai
10. ls to ignite after several unblocking opera tions consult a CORGI installer H Normal heating Maximum comfort when mode set at 60 C H Normal hot water mode Tab 1 Operational and fault codes Buderus http Awww buderus domestic co uk Subject to modifications resulting from technical improvements 8 Users manual for Buderus 500 24 S edition 02 2006 11 Taking the system out of service Push the mains power switch fig 4 item 1 to 0 Close the gas service valve by turning it clockwise fig 7 item 1 Frost protection The boiler has an automatic frost protection When the CH flow temperature drops below 7 C then the boiler will start up 11 1 Draining the system in case of frost It is not recommended but if the boiler needs to be shut down for a longer period of time then it is necessary to drain the sys tem Especially when there is a chance for frost conditions Turn off the boiler by setting the mains power to 0 fig 4 item 1 Close the gas valve fig 7 item 1 Drain the system at its lowest point using the stop valves or radiator see fig 8 The automatic air vent at the system s highest point must be open Subject to modifications resulting from technical improvements Users manual for Buderus 500 24 S edition 02 2006 1 Gas valve closed 2 Gas valve open fig 7 Gas service valve fig 8 Draining the system
11. operating manual to ensure safe economic and ecologically beneficial use of the unit Due to the high efficiency of the boiler a plume of water vapour may form at the terminal during operation This is normal Buderus http www buderus domestic co uk 3 1 Safety precautions gt 5 DANGER If you smell gas 1 No naked flames Do not smoke 2 Avoid sparks Do not operate electrical switches Do not use the telephone plug in devices of any kind or the doorbell 3 Shut off the main gas supply 4 Open windows and doors 5 Warn building occupants and evacuate the building 6 Callthe gas distributor under GAS in the telephone directory from outside the building NOTE In the event of any other type of incident shut off the main gas supply and electric supply to the appliance and seek assistance from a CORGI registered engineer 2 Installation area boiler room b gt amp DANGER The air intake and outlet openings must not be reduced in size or closed DANGER Do not store or use inflammable materials or liquids near the heating boiler NOTE To prevent the boiler from being damaged care must be taken not to contaminate the combustion air with halogenated hydrocarbons e g con tained in aerosol sprays solvents detergents paints and adhesives or with high quantities of dust The room in which the boiler is installed must be frost proof and be well ventilated Buderus
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