7215 3500 - 02/2005 GB(EN) For the user Users manual Wall-mounted condensing gas combi boiler Buderus 500 - 24/C, 500 - 28/C Please read thoroughly before operating the unit...
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It is a requirement and in your own interest, and that of safety that this boiler must be installed by a CORGI regis- tered installer, in accordance with the relevant require- ments of the current Gas Safety (Installation and Use) Regulations, http://www.boulter-buderus.co.uk...
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For normal cleaning simply dust with a dry cloth. To remove stubborn marks and stains, wipe 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/C : 41-110-04 Buderus 500-28/C : 41-110-03 http://www.boulter-buderus.co.uk...
Operational and fault codes ....23 Taking the system out of service ..24 11.1 Draining the system in case of frost ... 25 http://www.boulter-buderus.co.uk...
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Preface Dear Customer, Your Buderus 500 Series wall-mounted condensing gas combi 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 convenience in this respect. Carefully read the safety instructions and operating manual to ensure safe, economic and ecologically beneficial use of the unit.
6) Call the 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. http://www.boulter-buderus.co.uk...
(e. g. contained 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. http://www.boulter-buderus.co.uk...
! This includes an inspection of the entire system to see if it is in full working order. Any faults and defects found in the course of inspection must be rectified immediately. It is recommended to enter into a service contract with a specialist company. http://www.boulter-buderus.co.uk...
LPG you must contact a CORGI registered fitter. Abbreviations DBA = Control unit (Dedicated Burner Automat) MCW inlet = Mains Cold Water inlet DHW outlet= Domestic Hot Water warm outlet CH flow = Central Heating flow CH return = Central Heating return. http://www.boulter-buderus.co.uk...
Permanent clearances Permanent clearances The boiler must be located in an area with the following permanent clearances. 8 mm 8 mm 8 mm fig. 1 http://www.boulter-buderus.co.uk...
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Permanent clearances 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. http://www.boulter-buderus.co.uk...
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When a blinking code is in the display, it is possible to try and restart the boiler by pressing this button. NOTE It is not possible to reset the boiler when there is no fault code blinking in the display. http://www.boulter-buderus.co.uk...
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3. Service Button " " (see fig. 2) Is used for servicing purposes only. DO NOT use this button! 4. Display (see fig. 2) The display visualizes settings, adjustments and fault codes (see fig. 3). fig. 3 DBA display http://www.boulter-buderus.co.uk...
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6. and 7. Up " " and Down " " keys (see fig. 2) 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. http://www.boulter-buderus.co.uk...
10.1.1 Check water pressure Check the pressure gauge (fig. 4, item 3) located at the bottom of the boiler for the current system pressure. Optimum system pressure is 1.5 bar. outlet inlet flow return fig. 4 Servicing valves http://www.boulter-buderus.co.uk...
The system should be filled with untreated mains water. Turn off the boiler by setting the mains switch to "0" (fig. 5, item 1). If necessary open the CH flow and CH return servicing valves (fig. 4, item 1 and 2). fig. 5 DBA – Mains switch http://www.boulter-buderus.co.uk...
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Fill the system to a pressure of approx. 1.5 bar (fig. 4, 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. http://www.boulter-buderus.co.uk...
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1.0 bar then top up the system as described previously. Disconnect the filling loop and cap off. NOTE If there are frequent water losses, have the system examined and repaired by a CORGI registered installer. Have the inhibitor concentration checked every year. http://www.boulter-buderus.co.uk...
Setting the domestic hot water (DHW) temperature Press E button (see fig. 7, item 2) twice then adjust the DHW temperature to the desired temperature (40 °C - 60 °C) using the C and D keys (fig. 7, item 1). Factory setting is 48 °C. http://www.boulter-buderus.co.uk...
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Setting the boiler to summer operation When you want to make sure that your boiler will not operate for central heating in the summer then you can set the boiler to summer operation. The boiler will then only operate for DHW. http://www.boulter-buderus.co.uk...
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(30 °C – 80 °C) using the C and D keys (see fig. 7, item 1). Factory setting is 80 °C. It is not possible to set the flow temperature when the boiler is set to summer operation. http://www.boulter-buderus.co.uk...
Press Reset button “B“ (fig. 7, ignited item 3). If the burner fails to ignite after several unblocking opera- tions, consult a CORGI installer. Normal heating Maximum comfort when set at mode 60 °C Normal hot water mode table 2 Operational and fault codes http://www.boulter-buderus.co.uk...
1). drain 1: Gas valve closed 2: Gas valve open fig. 8 Gas service valve Frost protection The boiler has an automatic frost protection. When the CH flow temperature drops below 7 °C then the boiler will start up. http://www.boulter-buderus.co.uk...
Close the gas valve (fig. 8, item 1). fig. 9 Draining the system Drain the system at its lowest point using the stop valves or radiator (see fig. 9). The automatic air vent at the system’s highest point must be open. http://www.boulter-buderus.co.uk...
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