Buderus 600 - 11S Installation And Maintenance Instructions Manual Download Page 1

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7209 6700 - 02/2006 GB (EN)

For the installer

Please read thoroughly

Installation and maintenance
instructions

Gas wall hung Boiler condensing
600 - 11S / 19S / 24S / 24C

U122

Summary of Contents for 600 - 11S

Page 1: ...7209 6700 02 2006 GB EN For the installer Please read thoroughly Installation and maintenance instructions Gas wall hung Boiler condensing 600 11S 19S 24S 24C U122 K ...

Page 2: ...ant development efforts may result in changes to illustrations functional steps and technical data Updating the documentation If you have suggestions for improvement or have found discrepancies please do not hesitate to contact us The boiler meets the basic requirements of the appropriate standards and directives Conformity has been substantiated by the proper documents which together with the dec...

Page 3: ...bar 37 mbar In this document NG 2 G20 20 mbar LPG 3P G31 37 mbar Power rating 230 VAC 50 Hz IPX4D Fuse rating 1 25 Ampere slow blow Important general instructions for use Only use the boiler in accordance with its designated use and the installation and servicing instructions Servicing and repair must be carried out by CORGI registered installer Only use the boiler in combinations and with the acc...

Page 4: ...ment IGE UP 7 1998 Bathroom Installations This appliance is rated IPX4D The boiler may be installed in any room or internal space although particular attention is drawn to the requirements of the current IEE BS 7671 Wiring Regulations and in Scotland the electrical provisions of the building regulations applicable in Scotland with respect to the installation of the boiler in a room or internal spa...

Page 5: ...g BS 7593 1992 details the steps necessary to clean a domestic central heating system In hard water areas treatment to prevent lime scale may be necessary however the use of artificially softened water is NOT permitted Under no circumstances should the boiler be fired before the system has been thoroughly flushed Do not use water softened in a salt bedding exchanger Do not use inhibitors anti free...

Page 6: ... Flow CH return GAS 50 mm 2 12 5 mm 950 mm 37 850 mm 33 1 5 mm 1 17 845 5 mm 33 1 3 840 mm 33 GAS CWDO 65 2 65 2 65 2 65 2 65 2 13 mm CH Flow DHW Hot DHW Cold CH Return PRV CH Flow CH flow Ø22 mm compression fitting GAS Gas connection for 24C Ø22 mm compression fitting for 11S 19S 24S R CH Return CH return Ø22 mm compression fitting CWDO Condensate drain G1 OUTSIDE DHW Hot DHW warm out Ø15 mm comp...

Page 7: ...stion divider 30 Insulation divider 31 Fan 32 Gas air supply pipe 33 Fan seal 34 Venturi 35 Gas valve 36 Rectifier 37 Suction pipe 38 Gas pipe 39 Concentric adapter 40 Lip ring 41 Adapter clip 42 Bracket 43 Cable duct 40 60 80 100 120 C 20 0 1 2 3 4 bar 2 3 1 4 5 6 7 8 9 10 11 12 13 14 17 16 15 19 18 20 22 23 24 25 28 27 53 54 32 31 26 29 30 33 34 35 36 37 38 39 40 27 41 28 42 43 43 44 43 43 45 46...

Page 8: ...pter clip 42 Bracket 43 Cable duct 44 Ventilation cover seal 45 Pipe duct 46 Sealing ring 47 Cable harness 48 UBA 49 Power switch 50 Temp pressure gauge 40 60 80 100 120 C 20 0 1 2 3 4 bar 2 3 1 4 5 6 7 8 9 10 11 12 13 14 17 16 15 19 18 20 22 23 24 25 28 27 53 54 32 31 26 29 30 33 34 35 36 37 38 39 40 28 41 28 42 42 43 43 44 43 43 45 46 47 48 49 50 51 52 3 54 53 5 55 56 57 60 58 59 61 62 63 64 65 ...

Page 9: ...t the guard is fitted centrally The flue assembly shall be so placed or shielded as to prevent ignition or damage to any part of the building The air inlet products outlet duct and the terminal of the boiler MUST NOT be closer than 25 mm 1 to combustible material Detailed recommendations on the protection of combustible material are given in BS 5440 1 2000 If this could occur the appliance MUST be...

Page 10: ...ric bend 60 100 pos 2 1 Horizontal flue terminal 60 100 pos 3 1 Flue finishing kit 1 3 3 Maximum Flue length The maximum pipe length of the air supply and flue gas exhaust pipes for the 600 Series condensing gas boilers see table 2 is determined by the total pressure loss of all components in the flue gas exhaust air supply system Take the flue conduit clearances into account when planning the lay...

Page 11: ...ll bracket fig 5 Fig 4 Items supplied with unit Key to fig 4 1 Wall mounted condensing gas boiler 2 Wall bracket 3 Technical documents 4 Manifold assembly 5 Filling loop 6 Plastic bag containing the following accessories 4 x wall fixing screws 4 x wall plugs 4 x washers Seals 1 x 1 2 x 2 x Square wrench Initial start up sticker Second identification plate Safety valve nipple from to 4 1 2 3 6 5 NO...

Page 12: ... UP 1b 1 7 2 Gas connection z Connect to gas supply according to relevant standards installing a screw threaded gas shutoff valve accessory to the gas supply system 1 7 3 Hot water temperature for 600 24C z Fit a non shutting diaphragm safety valve max 8 bar upstream of the cold water inlet This is not required if the building is equipped with a pressure regulator configured to guarantee that the ...

Page 13: ...rap is filled with water 1 7 5 Condensate removal Positioning and termination of the condensate drain pipe The condensate pipe should be run and terminate internally to the house soil and vent stack or waste pipe Alternatively the condensate can be discharged into the rainwater system or into a purpose made soak away condensate absorption point All connecting drainage pipework should have a fall o...

Page 14: ...vent any odours emanating from the condensate air break at the boiler see fig 7 External termination via internal branch e g sink waste The condensate drainage pipe should have a minimum diameter of 1 with no length restriction and should incorporate a trap with a 75 mm seal The connection should preferably be made downstream of the sink waste trap If the connection is only possible upstream then ...

Page 15: ... gas duct fig 11 onto the appliance flue connector z For remaining installation of the vertical flue assembly refer to the relevant installation instructions Fig 10 External termination of condensate drainage pipe to absorption point Ø100 mm min plastic tube bottom of tube sealed limestone cladding hole depth 400 mm min 300 mm min 25 mm min Ground either or Two rows of three 12 mm holes at 25 mm c...

Page 16: ...tlet must be face downwards The assembly will be made easier if a solvent free grease is lightly applied to the male end of the ducts z Push the assembly through the wall and slide the turret onto the flue connector Refer to figure 12 z Ensure that the turret is fully entered into the socket on the boiler From the outside fix the flue finishing kit to the terminal and after ensuring the duct is pr...

Page 17: ...ot less than 0 75 mm2 24 x 0 2 mm and to BS 6500 Table 16 Connection must be made in a way that allows complete isolation of the electrical supply such as a double pole switch having 3 mm 1 8 contact separation in both poles or a plug and socket serving only the boiler and system controls This boiler is equipped with a double pole switch see fig 17 item 1 The means of isolation must be accessible ...

Page 18: ...sensor supply KIM Boiler identification module MV Solenoid valve STK Plug socket for additional equipment HT Hand held terminal 1 Only one room temperature regulating device may be connected Mains power source 230V 50 Hz Max permitted fuse rating 10A Bridge is conductive remove when connecting UBA terminal box 1 25 Ampere slow blow 2 1 2 1 1 2 1 2 external 230V controls Volt free external control ...

Page 19: ...ontrollers 1 10 2 External 230V controls z Loosen crosshead screw fig 18 item 1 on burner control unit UBA z Swivel burner control unit downwards z Open the back of the burner control unit to the right fig 19 z Connect the black pre wired lead to a permanent live supply from the same fused isolator as all other controls on the heating system L N E z Feed the 230V switch live and neutral from exter...

Page 20: ...oosen crosshead screw fig 18 item 1 on burner control unit UBA z Swivel burner control unit downwards z Open the back of the burner control unit to the right fig 19 z Connect the 24 Volt modulating room temperature control device at fig 22 item 1 on pin 3 and 4 1 10 5 Other connections Connection of an external water tank for single devices 600 11S 19S 24S z Remove bridge fig 23 item 1 z Connect s...

Page 21: ... condensing gas boiler 600 11S 19S 24S 24C 02 2006 21 Subject to modifications resulting from technical improvements Buderus http www buderus domestic co uk 1 10 6 System example NOTE Example systems are to be regarded as schematic representations only Fig 24 System example ...

Page 22: ...g 25 with a screwdriver to the middle setting z If necessary open the CH flow and CH return maintenance valves fig 26 item 1 and 2 z Connect temporary hose fig 27 z Open both stop valves CAUTION DO NOT operate the condensing gas boiler if large amounts of dust are present e g due to building work in and around the place of installation Fig 25 Three way valve WARNING The wall mounted condensing gas...

Page 23: ...the system take the following steps z Close the DHW cold and the CH return valve z Connect temporary hose fig 30 z Open the CH return stop valve to drain the system 2 1 2 Checking for leaks z Disconnect the system from the power supply z Check all sections of gas pipework and connections for signs of leaks before starting up system for the first time If a leak is detected during tightness testing ...

Page 24: ...play shows fig 32 item 2 or to indicate that the gas supply system is purged of air Return chimney sweep switch to normal running position that is position 0 2 1 4 Check combustion air flue gas connection Check to ensure that the correct combustion air flue gas system has been fitted Check that the instructions included in the appropriate flue gas system installation manual have been followed Fig ...

Page 25: ...andard Venturi tubes Table 5 Gas nozzle diameter CAUTION The burner must only be put into operation with the correct nozzles table 5 NOTE Observe stickers attached to Venturi tubes Controller setting Flow temperature C Heat retaining temperature only 24 C C Outlet temperature only 24 C C Hot water temperature of external tanks C 1 40 60 27 2 44 DO NOT use setting no 2 31 3 48 40 40 34 4 53 43 43 3...

Page 26: ...desired setting To increase the flow of hot water turn valve towards To reduce the flow of hot water turn valve towards 2 1 10 Setting the heating capacity Set the heating capacity table 7 according to the amount of heat required at the controller fig 33 item 4 Fig 34 Hot water flow controller NOTE The unit is factory adjusted to an output of 22 kW and a flow of 7 l min NOTE The controller is fact...

Page 27: ...hat switch is returned to 0 after this task has been carried out Ensure all disturbed joints and connections are checked for gas tightness on completion of tasks 2 1 12 Check the gas air ratio and adjust as required z Turn mains power switch fig 35 item 2 and chimney sweep switch fig 35 item 4 to 0 z Unscrew the sealing closure of the burner pressure testing nipple by one turn fig 36 z Connect the...

Page 28: ... out Carbon monoxide content 2 1 15 Function testing Measuring the ionisation current fig 39 z Disconnect the system from the power supply z Loosen the plug and socket connector of the ionisation electrode and connect the multimeter in series On the measuring device select the µ direct current range The measuring device must have a resolution of at least 1 µA z Reconnect the system to the power su...

Page 29: ...ments of heating Advise the User of the precautions necessary to prevent damage to the system and to the building in the event of the system remaining inoperative during frosty conditions z Explain the function and the use of the boiler heating controls z Explain the function of the boiler fault mode Emphasise that if a fault is indicated the boiler should be turned off and a registered local heat...

Page 30: ...further information please refer to subsection 8 2 Inspection and maintenance reports on page 66 and fill out the Benchmark DANGER OF FATAL INJURY due to electric shock when system is opened z Before opening the system disconnect the heating unit at the emergency OFF switch or the corresponding circuit breaker of the house power supply z Ensure that the heating system cannot be reconnected by acci...

Page 31: ...g 40 item 4 z Push safety plate out of way z Turn air suction tube and pull off from below z Swivel forward the air combination unit fig 41 item 1 z Pull the air combination unit up and out of bayonet connector fig 41 item 2 and remove via front of unit z Remove burner gasket fig 42 item 1 z Remove rubber seal in combustion chamber by pushing upwards from inside fig 42 item 2 Fig 40 Loosen the uni...

Page 32: ...ace ignitor by pulling it upwards In the case of the ionisation electrode Swivel the retaining plate to one side and carefully remove the ionisation electrode by pulling it upwards z Clean the burner and both parts of the combustion chamber with a compressed air line or brush z Refit the heat exchanger by following the above procedure in reverse order Fig 43 Remove burner NOTE Maintain the specifi...

Page 33: ...f unit z Remove burner gasket fig 42 item 1 and rubber seal in combustion chamber from top fig 42 item 2 z Remove burner by pulling upwards through the opening fig 47 item 1 and release the four retaining clips fig 47 item 2 z Remove the front casing shell of the combustion chamber z Remove the hot surface ignitor fig 44 item 1 and ionisation electrode fig 44 item 2 In the case of the hot surface ...

Page 34: ...ion head z Clean the two casing shells of the combustion chamber heat exchanger and burner with water or compressed air Take care not to damage the fins of the heat exchanger Refitting fig 50 z Screw the diffusion head in as far as it will go on the underside of the heat exchanger the final turn of the heat exchanger increases the clearance between the pipes and insert securing pin z Check to ensu...

Page 35: ...emove the safety cover and clean the trap z Fill the syphon with water and then reassemble in reverse order z Measuring the gas input pressure flow pressure z Check the gas air ratio z Leak test in operational condition z Measuring the carbon monoxide content z Carry out function testing 4 2 Flushing out the hot water heat exchanger z Turn mains power switch to 0 z Shut cold water tap accessory z ...

Page 36: ... 24C is ready for operation A Burner interval circuit 10 min from burner start up C Waiting for activation of the three way valve if fitted or pump H Stand by activated Buderus 600 11S 19S 24S 24C ready to provide heat or hot water L Initial safety period self testing of burner control unit during burner start up U Post or pre purging period of fan unit Y Flow temperature at adjustment setting Bud...

Page 37: ...k if not all thermostatic radiator valves are closed or clogged with dirt 2 Safety sensor is dirty or faulty Check the safety sensor for dirt Measure if resistance over the sensor is correct If not replace safety sensor see subsection 5 3 11 subsection 5 3 12 subsection 5 3 13 3 Flow sensor is dirty or faulty Check the sensor replace if necessary see subsection 5 3 14 subsection 5 3 15 subsection ...

Page 38: ...see subsection 2 1 1 Code Meaning 4C F2 fuse malfunction or flue gas thermostat active Possible cause Action 1 Water pressure is too low in the installation Top up the system see subsection 2 1 1 2 Heat exchanger is dirty Check for a dirty heat exchanger and clean if necessary see subsection 4 1 3 Flue gas retarder faulty or missing Check if the flue gas retarder is installed in the heat exchanger...

Page 39: ... subsection 5 3 11 subsection 5 3 12 subsection 5 3 13 2 A short or bad connection in the cable harness Check the cable harness and or connector of the sensor 3 UBA might be faulty Check the UBA by temporarily connecting a different UBA see subsection 5 3 3 Code Meaning 4U Short circuit in flow sensor Possible cause Action 1 Flow sensor is dirty or faulty Check the sensor replace if necessary see ...

Page 40: ...e ignitor should be between 50 and 300 Ohm Replace hot surface ignitor if necessary see subsection 5 3 19 and subsection 5 3 20 Check the UBA s F1 fuse replace if necessary 2 There is no flame ionisation electrode does glow fan isn t turning Check the fan and KIM connectors and the UBA fuses 3 There is no flame ionisation electrode and fan are working Check and adjust the gas air ratio see subsect...

Page 41: ...ve doesn t close properly If there is still more than 20 V on the gas valve when there is no heat demand then check the UBA by temporarily connecting a different UBA Check ionisation electrode circuit see subsection 2 1 15 and subsection 5 3 22 When both the UBA and the ionisation electrode circuit are OK then replace the gas valve Press reset If fault code remains than try to temporarily connect ...

Page 42: ...ppears in the display Code Meaning 7F F3 fuse defect or burner control unit error Possible cause Action 1 Short circuit in the 24V circuit three way valve or connector Check for a short circuit and replace the F3 fuse 2 Regulating device may have to cope with interference Check if for example induction fields interfere with the regulating device Check if the are any peaks in the electrical network...

Page 43: ...ifferent UBA Code Meaning 9C KIM error Possible cause Action 1 KIM connected incorrectly or KIM defective Check the KIM connector and fan connector If the connectors are fine then contact Buderus Code Meaning 9F H System error Possible cause Action 1 Regulating device may have to cope with interference Check if for example induction fields interfere with the regulating device Check if the are any ...

Page 44: ...ins then try to temporarily connect a different UBA see subsection 5 3 3 Code Meaning EP Non compatible UBA fitted Possible cause Action 1 Regulating device may have to cope with interference Check if for example induction fields interfere with the regulating device Check if the are any peaks in the electrical network caused by maybe windmills or a power generator 2 KIM connected incorrectly or KI...

Page 45: ...he flue gas sensor is defective z Replace any flue gas sensor found to be defective Ensure you use only genuine Buderus spare parts z If the flue gas sensor is working correctly plug it in once more 5 3 2 Replacing the flue gas sensor z Unscrew the flow backup mounting z Detach the cable plug at the flue gas sensor z Loosen both retaining screws on the flue gas sensor z Remove the flue gas sensor ...

Page 46: ...ten the strain relief clamp and shut the connection box z Shut the mains connection box z Shut the UBA housing z Swivel the UBA housing upwards and screw into place z Fit the casing z Connect system to mains power supply 5 3 4 Checking the fan z Set the mains switch to 0 z Disconnect the fan s plug and socket connection z Connect a multimeter 230 V AC z Turn the mains power switch to I z Take volt...

Page 47: ...ol line at the fan fig 58 item 2 and the gas burner fitting fig 58 item 3 z Loosen the union nut fig 58 item 4 on the gas burner fitting z Push the safety plate out of the way fig 59 item 1 z Turn air suction tube and pull off from below z Swivel the gas combination unit forward fig 60 item 1 z Remove the gas combination unit from its bayonet connector and pull upwards to detach fig 60 item 2 Fig ...

Page 48: ...retighten as required z Shut the UBA housing z Swivel the UBA housing upwards and screw into place z Connect system to mains power supply 5 3 7 Checking the mains supply If the mains supply is interrupted or seems faulty carry out a power test procedure for safe testing of the mains electrical supply z Loosen crosshead screw on UBA housing z Swivel UBA housing downwards z Open the UBA housing z Ca...

Page 49: ...period Use a screwdriver to rotate the pump in its normal running direction and release the blockage in question If this procedure does not work replace the pump z If the pump is working correctly screw the plug back in 5 3 10 Replacing the pump z Disconnect the system from the power supply z Shut the servicing valve z Drain the 600 11S 19S 24S 24C as per the Installation and Servicing Instruction...

Page 50: ...nd replace with a new unit z Plug in cable connection z Open servicing valves 5 3 13 Checking the safety sensor connection lead Check to ensure that all plug in connections on the sensor and UBA are in order Note that an incorrectly inserted plug can lead to the generation of error messages Start up the boiler by pressing the reset button z Set the mains switch to 0 z Disconnect the system from th...

Page 51: ...e with a new unit z Plug in cable connection z Open servicing valves 5 3 16 Checking the flow sensor connection lead Check to ensure that all plug in connections on the sensor and UBA are in order Note that an incorrectly inserted plug can lead to the generation of error messages Start up the boiler by pressing the reset button z Set the mains switch to 0 z Disconnect the system from the power sup...

Page 52: ...ed in table 8 If there is any marked mismatch the hot water sensor is defective z If the hot water boiler sensor is in order plug it back in Table 8 Resistance values for hot water boiler sensor approximate values Fig 73 Checking the hot water boiler sensor Fig 74 Boiler temperature sensor diagram 2 1 Temperature C Resistance Ω 0 29 490 0 5 23 462 0 10 18 787 0 15 15 136 0 20 12 268 0 25 10 000 0 ...

Page 53: ... elements z Plug cable connection in once more z Open servicing valves z Fill the 600 11S 19S 24S 24C and purge the system of air as indicated in the installation and servicing instructions 5 3 19 Checking the hot surface ignitor z Disconnect the system from the power supply z Loosen crosshead screw on UBA housing z Swivel UBA housing downwards z Open the UBA housing z Unplug and remove hot surfac...

Page 54: ...ring the ionisation current z Disconnect the system from the power supply z Loosen the plug and socket connector of the monitoring cable and connect the measuring device in series Select the µA direct current range on the multimeter The multimeter must have a resolution of at least 1 µA z Reconnect the system to the power supply and turn the chimney sweep switch to 1 z Measure the ionisation curre...

Page 55: ...te trap z Remove protective cap from three way valve z Remove bottom insulation from internal hot water reservoir applies to 600 24C only z Push in catch on regulating motor and z Remove bayonet connector by twisting anticlockwise z Remove regulating motor z Set the mains switch to I and press the reset button z Once the 600 11S 19S 24S 24C is in operation open one of the hot water taps The UBA di...

Page 56: ...he reset button 5 3 25 Replacing the three way valve z Shut the servicing valve and drain the 600 11S 19S 24S 24C as per the Installation and Servicing Instructions z Dismantle condensate trap z Remove protective cap from three way valve z Remove bottom insulation from internal hot water reservoir applies to 600 24 C only z Push in catch on motorised valve head and remove bayonet connector by twis...

Page 57: ...d open to the right fig 86 z Check to ensure that ERC or RC are correctly connected to 3 and 4 z Terminals 1 and 2 should not be wired in any way The unit is supplied with a dummy connector between terminals 1 and 2 fig 87 The DC voltage at terminals 3 and 4 should be approx 11 5 V If this is not so the UBA or the cable harness is defective z Shut the UBA housing once more z Swivel the UBA housing...

Page 58: ...ecking the controller device connections at the boiler Key to control device connections Item 1 ON OFF temperature controller Item 2 ModuLink or iRT room temperature controller digital Item 3 I O port communication port Item 4 Outdoor temperature sensor Item 5 Power supply 24 VAC max 6 VA Item 6 Turn on voltage for three way valve 9 11 1 2 3 4 5 6 NOTE It is possible in order to limit the source o...

Page 59: ... fixing screw and remove cover z Open snap locks fig 89 item 1 and remove combustion chamber cover z Loosen union nut on gas valve assembly fig 90 item 4 z Release plug in connection of fan power lead fig 90 item 1 burner control unit fan control lead fig 90 item 2 and gas burner assembly fig 90 item 3 z Push safety plate out of way fig 91 item 1 z Turn air suction tube and pull off from below Fig...

Page 60: ...ew gas type z Insert new seal fig 93 item 4 z Remount all components in the reverse sequence z Cover stickers fig 94 item 1 with the new stickers 2 pieces included in conversion kit Starting up z Start up the appliance following the procedure described in the mounting and maintenance instructions z Include all seal areas concerned during mounting in the gas tightness check when in operation Fig 92...

Page 61: ...nd maintenance instructions for wall mounted condensing gas boiler 600 11S 19S 24S 24C 02 2006 61 Subject to modifications resulting from technical improvements Buderus http www buderus domestic co uk z Refit all covers Fig 94 Place new stickers 1 1 ...

Page 62: ...odulating from 30 to 100 Heating curve 75 60 C Heating curve 40 30 C kW kW 4 3 10 0 4 9 11 0 8 6 17 4 9 7 19 0 8 6 22 0 9 7 24 0 8 6 22 0 9 7 24 0 Seasonal efficiency SEDBUK 90 3 90 3 90 2 90 1 Central heating installation Heating water temperature C 40 80 ΔT at residual head of 200 mbar K 20 Max operating overpressure of boiler bar 3 0 Volume heat exchanger heating circuit l 1 0 Pump stopping tim...

Page 63: ... 4 9 2 2 8 4 4 3 10 6 4 3 10 6 4 3 Exhaust fume temperature full load Heating curve 75 60 C Heating curve 40 30 C C C 75 50 85 55 95 55 95 55 Exhaust fume temperature part load Heating curve 75 60 C Heating curve 40 30 C C C 65 40 70 45 70 45 70 45 CO2 full load natural gas standard test gas G20 9 2 CO2 full load natural gas standard test gas LPG 10 3 Standard emission factor CO mg kWh 22 Standard...

Page 64: ...4 Boiler sensor 38353 75 Insulation hot water tank 38493 76 DHW pipe cold 38605 77 Flow regulator 38604 78 Three way valve body 73118 79 Three way valve cartridge 73499 80 Three way valve cover 73520 81 Three way valve head 73317 82 Ionisation electrode 38320 83 Hot surface ignitor 78105 84 Hot water tank 38600 RTH converter 230V 78091 Description Product No 1 Flow connection piece 73581 2 Automat...

Page 65: ...ther type of gas if necessary See section 2 1 5 on page 25 5 Carry out adjustment settings See section 2 1 8 on page 26 6 Measure the gas connection pressure flow pressure See section 2 1 11 on page 27 _____________________ mbar 7 Checking and adjusting the gas air ratio CO2 content at full load at part load See section 2 1 12 on page 27 _____________________ Pa _____________________ _____________...

Page 66: ... surface ignitor and ionisation electrode after disconnecting the system See section 4 1 1 on page 31 6 Measuring the ionisation current See section 2 1 15 on page 28 _________________ µA _________________ µA 7 Measure the gas connection pressure flow pressure See section 2 1 11 on page 27 ________________ mbar ________________ mbar 8 Check the gas air ratio See section 2 1 12 on page 27 _________...

Page 67: ...____ µA _______________ µA _______________ µA _______________ µA _____________ mbar _____________ mbar _____________ mbar _____________ mbar _____________ mbar _______________ Pa _______________ Pa _______________ Pa _______________ Pa _______________ Pa ______________ ppm ______________ ppm ______________ ppm ______________ ppm ______________ ppm _____________ mbar _____________ mbar ____________...

Page 68: ..._____________ Date _____________ 1 Clean heat exchanger burner and condensate trap See section 4 1 on page 31 2 Check and adjust the gas air ratio CO2 content at full load at part load See section 2 1 12 on page 27 ______________________ Pa ______________________ ______________________ ______________________ Pa ______________________ ______________________ 3 Confirm servicing work Confirmation of ...

Page 69: ...ic co uk Date ___________ Date ___________ Date ___________ Date ___________ Date ___________ ___________________ Pa ____________________ ____________________ ___________________ Pa ____________________ ____________________ ___________________ Pa ____________________ ____________________ ___________________ Pa ____________________ ____________________ ___________________ Pa ____________________ __...

Page 70: ...Installation and maintenance instructions for wall mounted condensing gas boiler 600 11S 19S 24S 24C 02 2006 Buderus http www buderus domestic co uk Subject to modifications resulting from technical improvements ...

Page 71: ...tallation and maintenance instructions for wall mounted condensing gas boiler 600 11S 19S 24S 24C 02 2006 71 Subject to modifications resulting from technical improvements Buderus http www buderus domestic co uk ...

Page 72: ... buderus domestic co uk Buderus is a trading name of BBT Thermotechnology UK Ltd Customer Services Technical Product Support Sales Returns Spares Tel 0870 421 5933 Tel 0870 421 5944 Tel 01905 752 640 Tel 01905 752 531 Tel 01905 752 576 Fax 01905 456 445 455 394 Fax 01905 455 392 Fax 01905 754 620 720 967A 4612 02 2006 ...

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