Baxi Potterton 105 HE Boiler User Manual
Contents
1. EARTHED 2 A standard 230V 50Hz supply is required The appliance must be protected by a 3 amp fuse Never Hang Flammable Items Over The Appliance 2 0 Introduction Introduction Your Baxi Combi Instant 80 HE or 105 HE is a gas fired room sealed powered flue condensing combination boiler providing central heating for your home and mains fed domestic hot water to taps and shower It is fully automatic and does not have a pilot light 2 Priority is given to the hot water mode when a hot water tap is turned on the supply of heat to the central heating circuit is interrupted Hinged Lower Door Panel 3 Due to the high efficiency and resultant low flue gas emperature when in condensing mode a white plume of condensate will be emitted from the terminal This will be particularly evident during periods of low outside Facia Panel emperature ae ni 0 Me 40 50 60 70 W 2 636656 Reset AL BORM TAY 222 OO A Instant Domestic Hot Water The boiler expansion vessel incorporates a small volume of stored primary hot water 2 When the boiler has been off and there is then a demand for domestic hot water the stored primary hot 2 3 4 5 water ensures that domestic hot water is supplied instantly at temperature 6 7 8 9 10 II 3 The stored hot water is part of the primary circuit This Y o y J Y o y Y is not suppl2. any subsequent alteration in the area of installation 2 These areas must not be obstructed in any way Blocking the clearance spaces may result in the boiler overheating and damage may occur 3 The gas burning compartment of your boiler is completely sealed from the room in which it is fitted Products from the combustion of gas are vented to the outside through the flue terminal which must be kept free from obstruction as this would interfere with the correct operation of the boiler 4 The boiler may be installed in a cupboard if these minimum clearances are kept The compartment should be large enough to house the boiler and ancillary equipment only 5 IT SHOULD NOT BE USED AS A STORAGE CUPBOARD Check List Ifa fault develops or is suspected call your Installer or Service Engineer as soon as possible 2 Go through the following check list before you make contact a Is the electricity supply on b Is the selector switch on giving a green Power ON neon and set for both Central Heating and Domestic Hot Water c Is the red Flame Failure neon lit Turn the On Off Reset selector fully anti clockwise d Is the gas supply on e Is the mains water supply turned on f Is the system pressure correct g Are the boiler temperature controls set high enough h Is the time clock if fitted calling for central heating i Is the room thermostat if fitted set high enough j
3. to meet the requirements of Directive 92 42 EEC on the energy efficiency requirements for new hot water boilers fired with liquid or gaseous fuels Type test for purpose of Regulation 5 certified by Notified Body 0051 Product Production certified by Notified Body 0086 For GB IE only NN nchmari I Baxi is a BS EN ISO 9001 Accredited Company IMPORTANT Installation Commissioning Service amp Repair This appliance must be installed in accordance with the manufacturer s instructions and the regulations in force Read the instructions fully before installing or using the appliance In GB this must be carried out by a competent person as stated in the Gas Safety Installation amp Use Regulations Definition of competence A person who works for a CORGI registered company and holding current certificates in the relevant ACS modules is deemed competent In IE this must be carried out by a competent person as stated in I S 813 Domestic Gas Installations Lifting This product should be lifted and handled by two people Stooping should be avoided and protective equipment worn where necessary Carrying amp lifting equipment should be used as required e g when installing in a loft space The addition of anything that may interfere with the normal operation of the appliance without express written permission from the manufacturer or his agent could invalidate the appliance warranty In GB this
4. Are the radiator valves open 5 0 Cleaning Spares amp Guarantee Cleaning the Outercase The painted panels should be wiped with a damp cloth and then dried completely DO NOT USE ABRASIVE CLEANING AGENTS Spare Parts IMPORTANT Only a competent person should be used to service or repair this boiler Any repairs to the boiler will usually be the responsibility of the Installer during the guarantee period after which spare parts may be obtained through approved Baxi stockists if required 2 Quote the appliance name model number and where possible the part number when ordering spares A short parts list is included in the Installation and Servicing nstructions 3 The name model number and serial number can be found on the information label on the back of the hinged ower door panel see back page Guarantee Your Baxi Combi Instant 80 HE or 105 HE is designed and produced to meet all the relevant Standards 2 Baxi provide a 12 month guarantee on the boiler The guarantee operates from the date installation is completed for the customer who is the original user 3 To maximise the benefit from our guarantee we urge you to return the reply paid guarantee registration 4 This does not in any way prejudice your rights at Common Law Such rights between the customer and the installer or supplier from whom the unit was purchased remain intact Any component or part which becomes defective d
5. BAXI User s Operating Instructions Baxi Combi Instant 80 HE Baxi Combi Instant 105 HE Gas Fired Wall Mounted Condensing Combination Boiler Please keep these instructions safe Should you move house please hand them over to the next occupier Natural Gas Baxi Combi Instant 80 HE G C N 47 075 17 Baxi Combi Instant 105 HE G C N 47 075 19 Baxi is one of the leading manufacturers of domestic heating products in the UK Our first priority is to give a high quality service to our customers Quality is designed into every Baxi product products which fulfil the demands and needs of customers offering choice efficiency and reliability To keep ahead of changing trends we have made a commitment to develop new ideas using the latest technology with the aim of continuing to make the products that customers want to buy Everyone who works at Baxi has a commitment to quality because we know that satisfied customers mean continued success We hope you get a satisfactory service from Baxi If not please let us know Ap pro C gt WRAS g L RECOMMENDED This product has an energy rating B on a scale of A to G For more information see www boilers org uk This is a certification mark Where fitted user label for optional timer to be applied here The boiler meets the requirements of Statutory Instrument The Boiler Efficiency Regulations 1993 N 3083 and is deemed
6. ch is set to either Position i or Position ii ON OFF Selector Switch 3 11 Frost Protection Mode The frost protection feature will operate when the selector switch is in the central heating and domestic hot water mode The gas and electrical supplies to the boiler must be on and the system pressure must be within the range described in Section 3 9 2 If the system temperature falls below 5 C then the Fig 22 boiler will fire until the water temperature has been OFF Position raised 3 Further frost protection can be incorporated by using a frost thermostat to protect the whole system Fig 23 450mm Min D gt For Servicing Purposes 5mm gt lt In Operation Fig 24 20mm Smm Min see NOTE 200mm Min 200mm Min 4 0 Clearances and Check List Clearances around the Boiler Figs 23 amp 24 The minimum clear spaces needed around the boiler measured from the casing are as follows Top 200mm Bottom 200mm Left Side 5mm Right Side 20mm 5mm Front 5mm In Operation 450mm For Servicing NOTE The boiler can be operated with a clearance of 5mm at the right This is also sufficient for routine maintenance However a clearance of 20mm is required if it is necessary to remove the secondary heat exchanger This should be considered when siting the appliance and in the event of
7. clockwise to increase the temperature Fig 9 3 In normal winter usage we recommend that the central heating temperature be set at maximum 4 Domestic Hot Water Pre Heat To enjoy optimum performance of the boiler the pre heat control should be set fully clockwise to the ON position Fig 10 When there is a demand for hot water it will be supplied at approximately 65 C instantaneously 5 Turning the control 15 clockwise from the OFF position will activate the pre heat feature Hot water will be supplied at approximately 35 C instantaneously 6 To increase the temperature turn the control further clockwise For example when set 90 clockwise the boiler will supply hot water at approximately 44 C instantaneously At a position 80 from clockwise i e straight down the hot water will be supplied at 52 C instantaneously 7 When the control is set anywhere between 15 clockwise from the OFF position and the ON position the pre heat feature will operate 8 With the control in the OFF position Fig the pre heat feature will not operate Hot water will be supplied at approximately 50 C 9 The pre heat feature will function with the selector switch in either operating position This is indicated by the domestic hot water mode neon flashing Fig 12 10 The flow rate can be reduced down to as low as 2 5 lrtre min The boiler will still recognise the need to heat the water Flame Failur
8. could also infringe the Gas Safety Installation and Use Regulations Warning Check the information on the data plate is compatible with local supply conditions Benchmark Commissioning Checklist Please ensure that your installer hands you the boiler Installation amp Servicing Instructions with the Benchmark Commissioning Checklist sections completed The details in the Checklist will be required in the event of any warranty work Keep the instructions in a safe place and ensure that the Service Interval Record at the back is completed at each service visit All CORGI registered installers carry a CORGI identification card and have a registration number You can check your installer is registered by telephoning 0870 4012300 or writing to Elmwood Chineham Business Park Crockford Lane Basingstoke RG24 8WG or check online at www corgi gas safety com Legislation Baxi declare that no substances harmful to health are contained in the appliance or used during appliance manufacture The appliance is suitable only for installation in GB and IE and should be installed in accordance with the rules in force and only used in a suitably ventilated location In GB the installation must be carried out by a CORGI Registered Installer It must be carried out in accordance with the relevant requirements of the e Gas Safety Installation amp Use Regulations e The appropriate Building Regulations either The Building Regula
9. e Reset The red flame failure neon A will illuminate in the event of the burner failing to light when incomplete lighting of the burner occurs or blockage of the condensate drain Fig 12 2 Turn the selector switch fully anti clockwise against the spring pressure to the Reset position for at least two seconds and release Fig 3 Set the selector to the required position to light the boiler 3 If the flame failure light illuminates repeatedly a fault is indicated with either the boiler the gas supply or the condensate drain Your Installer or Service Engineer should be called as soon as possible Pump Low 3 0 Operating the Boiler Pressure Neon Air Flow Safety Thermostats Monitor Neon i Sensor Fault Safety i Neons Your Baxi Combi Instant 80 HE or 105 HE is fitted Thermostat 7 A with additional safety devices which shut down the Neon boiler in the event of the system the boiler or the flue overheating The safety thermostat neon fk will light Q Q X Q N in this instance Fig 14 2 To reset Turn the selector fully anti clockwise against Q rOl the spring pressure to the Reset position for at least two seconds and release Fig 15 Set the selector to the required position to light the boiler ro Bo 30 03x i i z 3 If after turning the selector to the Reset position the oT om S boiler does not
10. essure Pressure Gauge The water pressure in the central heating system is indicated by the pressure gauge 2 With the system cold and the boiler not operating the pressure should be between 0 5 and 1 0 bar During operation the pressure should not exceed 2 5 bar and will normally be between 1 0 and 2 0 Figs 18 amp 19 3 A pressure of 3 or greater indicates a fault The safety pressure relief valve will operate at a pressure of 3 Fig 20 It is important that your Installer or Service Engineer is contacted as soon as possible 4 The MINIMUM pressure for correct operation is 0 5 If the pressure falls below 0 5 this may indicate a leak on the central heating system Fig 21 3 10 To Shut Off the Boiler For short periods Turn the selector switch to the OFF position Fig 22 2 For long periods Turn off the selector switch Fig 22 electricity and gas supplies If your home is to be left unoccupied for long periods during cold weather the boiler and whole system should be drained unless there is additional frost protection 3 Your installer will advise you about frost protection and draining the system Fig 21 Below Minimum IMPORTANT When the selector switch is in the 0 Off position the electrical supply to the boiler is isolated The boiler will not operate and the integral timer if fitted will require resetting once the selector swit
11. ied as domestic hot water which is fresh 30 40 50 60 70 80 mains water heated by a heat exchanger within the boiler 4 The stored primary hot water temperature is maintained whilst the boiler is in operation During a A SEO A Fig 3 period when there is no demand for heating or hot water the temperature of the stored primary hot water will eventually fall The boiler will operate occasionally in order to maintain the temperature This is indicated by the domestic hot water mode neon flashing item 13 of Fig 3 A HO gt gt 12 3 14 I5 Facia Panel The facia panel is behind the hinged lower door panel KEY TO FACIA PANEL Fig 3 As well as the on off reset selector switch central heating On Off Reset Selector Switch temperature control knob pre heat control and pressure 2 Central Heating Temperature Control gauge the facia incorporates ten neon indicator lights When neons 6 to are 3 Pre Heat Control Ae a 4 Central eating System Pressure Gauge ane Eat e i i h 2 Neons 2 to 5 indicate the operational status of the a Optional iota Vier Position Lees sii il iota Ovie boiler Neons 6 to have a dual function indicating the Neon Indicators central heating water t t fth tralkesi t h tanti 6 Flame Failure or Blocked Condensate Drain PPUP ETATE OE TE CEMA SATIN WACTER CONSAN 7 Safety Thermostat Activated Boiler or Flue illuminated If a fault de
12. relight or the safety thermostat operates repeatedly causing boiler shutdown a fault is indicated Your Installer or Service Engineer should be contacted as soon as possible Air Flow Monitor The boiler is fitted with an air pressure sensing device This monitors the flue system 2 If the neon illuminates B it indicates that the flue or flue terminal is blocked or obstructed in some way or that there is an internal fault If there is no external blockage of the flue terminal that can be easily removed contact your Installer or Service Engineer Fig 14 Pump Fault or Low Pressure The neon will illuminate if the circulating pump is faulty or the system pressure drops below the minimum requirement Fig 14 Reset Position Fig 15 2 Check the pressure gauge as described in Section 3 9 If the pressure is in the normal range a pump fault is indicated Contact your Installer or Service Engineer to determine the nature of the fault Sensor Fault When the aS or W neon is illuminated a fault on the hot water or central heating temperature sensor is indicated Fig 14 Contact your Installer or Service Engineer Pump Protection With the selector switch in either Position i or Position ii Figs 16 amp 17 the pump will automatically operate for minute in every 24 hours to prevent sticking 3 0 Operating the Boiler Central Heating System Pr
13. stems BS 7074 Expansion vessels and ancillary equipment for sealed water systems BS 7593 Treatment of water in domestic hot water central heating systems Fig Fig 2 Heating Flow Heating Return and Mains Water Inlet Isolating Valves 1 0 Warnings irs In an Emergency If a water or gas leak occurs or is suspected the boiler can be isolated at the inlet valves as follows Turn off the electrical supply and turn the selector switch on the facia box to the OFF position 2 Using a suitable open ended spanner or screwdriver turn the square on the gas tap to the left to isolate the gas supply at the boiler Fig 1 3 The isolating valves are positioned under the boiler and can be closed by turning their taps to the right towards the wall Fig 2 4 Call your Installer or Service Engineer as soon as possible In case of gas leaks If a gas leak is found or suspected turn off the gas supply at the meter immediately and at the isolating valve on the boiler if possible Contact your Gas Supplier immediately Servicing your Appliance For reasons of safety and economy your appliance should be serviced annually Servicing must be performed by a competent person Your Installer or Service Engineer will be able to advise you 2 Any purpose provided ventilation should be checked periodically to ensure that it is free from obstruction Electricity Supply THIS APPLIANCE MUST BE
14. tions The Building Regulations Scotland Building Regulations Northern Ireland e The Water Fittings Regulations or Water Byelaws in Scotland e The Current I E E Wiring Regulations Where no specific instructions are given reference should be made to the relevant British Standard Code of Practice In IE the installation must be carried out by a competent Person and installed in accordance with the current edition of S 813 Domestic Gas Installations the current Building Regulations and reference should be made to the current ETC rules for electrical installation All systems must be thoroughly flushed and treated with inhibitor Codes of Practice most recent version should be used In GB the following Codes of Practice apply Standard Scope BS 689 Gas Installation BS 5546 Installation of hot water supplies for domestic purposes BS 5449 Forced circulation hot water systems BS 6798 Installation of gas fired hot water boilers BS 5440 Part Flues BS 5440 Part 2 Ventilation BS 7074 Expansion vessels and ancillary equipment for sealed water systems BS 7593 Treatment of water in domestic hot water central heating systems In IE the following Codes of Practice apply Standard Scope LS 813 Domestic Gas Installations The following BS standards give valuable additional information BS 5546 Installation of hot water supplies for domestic purposes BS 5449 Forced circulation hot water sy
15. uring the guarantee period as a result of faulty workmanship or material whilst in normal use will be repaired or replaced free of charge BAXI POTTERTON A Trading Division of Baxi Heating UK Ltd Brownedge Road Bamber Bridge Preston Lancashire PR5 6UP After Sales Service 08706 096 096 Technical Enquiries 08706 049 049 Website www baxi co uk A BAXI GR UP company When contacting Baxi Potterton please have the following information to hand Appliance Name Model Number Serial Number A label giving these details is situated on the rear of the hinged lower door panel attached to the users operating instruction label Users Operating Instruction Label Lower Door Panel Label 923 61 1 2 Comp N 5111808 Iss 2 03 05
16. velops the appropriate neon will 8 Fault on Fan or Flue begin to flash Refer to Sections 3 3 to 3 7 Fault on Pump or Low System Pressure Fault on Hot Water Sensor Fault on Central Heating Sensor Power On Domestic Hot Water Mode Central Heating Mode Burner On N 3 D 3 D OB lt o 30 D amp g v 74 QOD woo M Power On Neon Fig 5 Domestic Hot Water Neon Z 8ga 72 Burner On Neon Central i Heating Neon Fig 4 Central Heating System Pressure Gauge 0 30 40 50 60 70 rf We Reset 99999 ASBORM srry Ne A On Off Reset Selector Switch OFF Position Fig 6 eae Position i i Central PREME or Hot Water Fig 7 Fig 8 Position ii Hot Water 3 0 Operating the Boiler Operating the Boiler Ensure that the electricity and gas supplies are turned on Check that the central heating pressure is between 0 5 and 1 0 bar Fig 4 2 Turn the On Off Reset selector switch either anti clockwise from the off position Fig 6 to both central heating and domestic hot water or clockwise to domestic hot water only 3 In either position the green power on indicator Q will illuminate Fig 5 4 Position i In this position the central heating will operate according to demand or provide domestic hot water when a tap or shower is turned on Fig 7 Priority is gi
17. ven to domestic hot water The central heating hot water neon Oi will illuminate Fig 5 Neons 6 to will illuminate as the temperature rises 5 Position ii In this position hot water will be provided when a tap or shower is turned on Fig 8 The hot water neon wil illuminate Fig 5 6 The boiler will light automatically on demand 7 The orange burner on neon amp will illuminate when the boiler is operating and the main burner is on Fig 5 IMPORTANT When the selector switch is in the 0 Off position the electrical supply to the boiler is isolated The boiler will not operate and the integral timer if fitted will require resetting once the selector switch is set to either Position i or Position ii Fig 9 Central Heating Temperature Control PREHEAT 5 OFF PREHEAT gt Fig 10 Domestic Hot Water Domestic Hot Water Pre Heat Control Pre Heat Control ON Position OFF Position Flame Failure Neon A fo a fo Q fo N fo fo DO oo who B PEOS zZ 20 O amp gt Fig 12 Domestic Hot Water Neon Reset Position Fig 13 3 0 Operating the Boiler Temperature Control Central Heating The central heating hot water flow temperature can be adjusted between 30 C 5 C minimum and 85 C 5 C maximum 2 Turn the control knob
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