Baxi Megaflo System User Guide
Contents
1. Seasonal space heating energy efficiency of boiler A P Temperature control Class I 1 Class Il 2 Class III 1 5 2 Class IV 2 Class V 3 Class VI 4 from fiche of temperature control Class VII 3 5 Class VIII 5 Supplementary boiler icine space heating energy efficiency in from fiche of boiler 3 TP x014 Solar contribution t Tank rating from fiche of solar device A 0 95 A 0 91 Collector size in m Tank volume in m Collector efficiency in B 0 86 C 0 83 D G 0 81 4 HIP x IV x x 0 9 x 1100 x 1 If tank rating is above A use 0 95 Supplementary heat pump Serene space heating energy efficiency in from fiche of heat pump C ryme s Solar contribution AND Supplementary heat pump select smaller value 4 6 6 0 5 x OR 0 5 x Seasonal space heating energy efficiency of package T J Seasonal space heating energy efficiency class of package BD D B D D DDD D 9 lt 30 230 234 236 275 282 290 298 2125 2150 Boiler and supplementary heat pump installed with low temperature heat emitters at 35 C from fiche of heat pump T 50 x I The energy efficiency of the package of products provided for in this fiche may not corre2. 14 Baxi Heating UK Ltd 2015 Baxi Heating UK Ltd 2015 Heating Flow and eating Return Inlet Isolating Valves 9 0 Emergency Warning If you smell gas Do not operate light switches Do not operate any electrical equipment Do not use a telephone in the hazardous area Extinguish any naked flame and do not smoke Open windows and doors in the hazardous area Turn off th e gas supply at the meter Warn any other occupants and vacate the premises Telephone the National Gas Emergency Service on 0800 I 11 999 Faulty boiler If it is known or suspected that a fault exists on the boiler it must not be used until the fault has been corrected by a competent person In an Emergency lf a water or gas leak occurs or is suspected the boiler can be isolated at the inlet valves as follows Using a suitab e open ended spanner turn the square nut on the gas tap through 90 s turn to isolate the gas supply at the bo 2 The water iso iler Fig 6 ating valves are positioned under the boiler and can be closed by turning their taps to the right towards the wal Fig 6 3 Call your Installer or Service Engineer as soon as possible 10 0 Disposal 10 1 Disposal and Recycling NOTE Removal and disposal of the boiler must be carried out by local and natio a qualified person in accordance with nal regulations Baxi Customer Support 0
3. 344 871 1525 Opening hours Monday Friday 8 00am 6 00pm Weekends and Bank Holidays 8 30am 2 00pm Please note calls may be recorded for training and monitoring purposes baxi co uk Register now to activate your warranty www baxi co uk registration For the warranty to be maintained please make sure E Benchmark checklist is completed Warranty is registered with Baxi El The boiler has an annual service For full terms and conditions visit www baxi co uk terms Failure to adhere to terms and conditions will void your manufacturer s warranty L Baxi a Brooks House Coventry Road Warwick CV34 4LL THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS Please ensure the boiler is installed in accordance with these installation instructions and that you adhere to the Building Regulations e amp oe All descriptions and illustrations provided in this document have been carefully prepared but we reserve the right to make changes and improvements in our products which may affect the accuracy of the information contained in this leaflet All goods are sold subject to our standard Conditions of Sale which are available on request 7219675 OI 04 15
4. Bank Holidays 8 30am 2 00pm Please note calls may be recorded for training and monitoring purposes When contacting Baxi Customer Support please have the following information to hand e Boiler serial number This can be found on the appliance e Proof of purchase if you do not have the boiler serial number Please note that for in warranty repairs our engineers will ask to see your service history record completed Benchmark Checklist and details of your installer These can all be found in the installation and user manual 8 0 ErP Information 81 Product Fiche Boiler Space Heaters Product fiche for boiler space heaters Baxi Megaflo System ErP 15 18 24 28 32 Seasonal space heating energy efficiency class D D D D D Rated heat output Prated or Psup kW 15 18 24 28 32 Seasonal space heating energy efficiency 91 91 92 92 92 Annual energy consumption kWh 13187 15824 20870 24348 27826 GJ 47 57 75 88 100 Sound power level Lwa indoors dB 52 53 58 53 54 j See ae For specific precautions about assembling installing and maintaining consult the relevant section as detailed on the Contents page 2 Baxi Heating UK Ltd 2015 8 0 ErP Information Package Fiche Boilers Package fiche for boilers indicating the space heating energy efficiency of the package
5. Flame Failure Fan or Fan Wiring Fault Baxi Heating UK Ltd 2015 5 0 Care of the Boiler Cleaning the Outer case The painted panels should be wiped with a damp cloth and then dried completely DO NOT USE ABRASIVE CLEANING AGENTS Protection amp Precaution The boiler incorporates an integral frost protection feature that will operate when the selector switch is in we J position If the boiler temperature falls below 5 C then the boiler will operate until the water temperature has been raised 2 Ifa system frost thermostat has been fitted your installer will be able to advise you then to operate correctly and protect your system the gas and electricity must be left on and the appliance set in the central heating mode 3 The boiler incorporates an integral pump protection feature which continually monitors the time since the pump last operated To prevent seizure the pump will operate for approximately minute if it has not run in the last 24 hours Fault Indication If a fault occurs on the boiler an error code may be shown on the facia display 2 The codes are either two or three digit preceded by the letter E For example code E133 will be displayed by E1 alternating with 33 E50 is shown as E then 50 3 E20 E28 E50 E125 amp E160 indicate faulty components You should make a note of the displayed error code and contact your installer or service eng
6. United Kingdom en User Guide Gas Fired Wall Mounted Condensing System Boiler Megaflo System 15 18 24 28 32 Please keep these instructions in a safe place If you move house please hand them over to the next occupier Natural Gas Baxi Megaflo 15 System ErP G C N 41 470 18 Baxi Megaflo 18 System ErP G C N 41 470 19 Baxi Megaflo 24 System ErP G C N 41 470 20 Baxi Megaflo 28 System ErP G C N 41 470 21 Baxi Megaflo 32 System ErP G C N 41 470 22 The Benchmark Scheme Baxi Heating UK Ltd is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety efficiency and performance Benchmark is managed and promoted by the Heating and Hotwater Industry Council For more information visit www centralheating co uk Baxi Heating UK Ltd 2015 All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means or stored in any retrieval system of any nature including in any database in each case whether electronic mechanical recording or otherwise without the prior written permission of the copyright owner except for permitted fair dealing under Copyrights Designs and Patents Act 1988 Applications for the copyright owner s permission to reproduce or make other use of any pa
7. een and 2 5 TO___ code eg E133 EL 10 bar No YES If the reading falls below bar repressurise the system as described insedtion ail Turn the ON OFF Reset Selector Switch to Reset ME R If boiler does not oS Reset Error Code E 19 showing low pressure 4 Baxi Heating UK Ltd 2015 2 0 Troubleshooting Is the Timer ON and calling for YES Is the Room Thermostat if YES gt heat gt fitted set high enough 15 O 2 SSU O yo Typical examples of external timer No Turn Room hermostat to maximum setting typical example shown NO Ensure timer is set for Central Heating ON see any instructions supplied with timer 15 S2 yw o Uy 3 CONTACT YOUR INSTALLER OR SERVICE ENGINEER If you don t know what you need to do to get the boiler to light or need help with the system and controls contact your installer as soon as possible Baxi Heating UK Ltd 2015 5 3 0 Repressurising System Central Heating System Pressure The normal operating water pressure is between and 2 5 bar Fig If the pressure exceeds 3 bar the safety pressure valve will operate and a fault is indicated Contact your installer 2 It may be necessary to repressurise the system Fig occasionally Fig 2 A filling device the filling loop will be fitted on the system 3 If you are unsure of its position or cannot iden
8. in the central heating hot water mode Burner On Indicator The indicator will illuminate when the burner has fired and is heating your central heating or domestic hot water Boiler Output Temperature In either the central heating or domestic hot water position I the display will illuminate showing the current boiler temperature in degrees centigrade Display ME gt N Central Heating Temperature Control Turn the knob clockwise to increase or anticlockwise to decrease the temperature N J Range 25 80 C Calibration Control This control is for use only by the installer or service engineer Central Heating System Pressure The normal operating water pressure is between and 2 0 bar If the pressure exceeds 3 bar the safety pressure valve will operate and a fault is indicated Contact your Installer Baxi Heating UK Ltd 2015 3 Boiler not working 2 0 Troubleshooting START Make sure the gas supply is YES Is the ON OFF Reset YES Is the QJ light on and the NO turned ON and check if other _ Select Switch in the A gas appliances are operating osition eg fire cooker M P wE 0 Central Heating NO R NN Indicator If no gas consult your supplier Is the display lit Burner On YES Indicator Boiler operating satisfactorily Display ne Check electricity to the boiler is switched on Is the Central Heating System YES Does the display show an error NO Pressure betw
9. ineer 4 If EI 10 or E130 is displayed overheat of the primary water or flue system has occurred Turn the selector switch to the reset position and hold for at least 5 seconds If the boiler does not relight or the code is displayed regularly contact your installer or service engineer 5 El 19 is displayed when the primary water pressure is less than 0 5 bar After repressurising the system the boiler should operate Your installer will be able to advise you about the method of repressurising See page 6 for further details 6 E133 indicates that the gas supply has been interrupted ignition has failed or the flame has not been detected Ensure that the gas supply has not been turned off and turn the selector switch to the reset position and hold for at least 5 seconds If the boiler does not relight or the code is displayed regularly contact your installer or service engineer Baxi Heating UK Ltd 2015 6 0 Legislation 6 1 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 2 In GB this must be carried out by a competent person as stated in the Gas Safety Installation amp Use Regulations 3 Definition of competence A person who works for a Gas Safe registered company and holding current certificates in the relevant ACS m
10. odules is deemed competent 4 In IE Eire this must be carried out by a competent person as stated in l S 813 Domestic Gas Installations All Gas Safe registered engineers carry an ID card with their licence number and a photograph You can check your engineer is registered by telephoning 0800 408 5500 or online at www gassaferegister co uk The boiler meets the requirements of Statutory Instrument The Boiler Efficiency Regulations 1993 No 3083 and is deemed to meet the requirements of Directive 92 42 EEC on he energy efficiency requirements for new hot water boilers fired with liquid or gaseous fuels Type test for purpose of Regulation 5 certified by otified Body 0085 Product Production certified by otified Bodies 0086 For GB IE only Benchmark Commissioning Checklist Please ensure that the installer has fully completed the Benchmark Checklist on the inside back pages of the installation instructions supplied with the product and that you have signed it to say that you have received a full and clear explanation of its operation The installer is legally required to complete a commissioning checklist as a means of complying with the appropriate Building Regulations England and Wales 2 All installations must be notified to Local Area Building Control either directly or through a Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the custome
11. r who should on receipt write the Notification Number on the Benchmark Checklist 3 This product should be serviced regularly to optimise its safety efficiency and performance The service engineer should complete the relevant Service Record on the Benchmark Checklist after each service 4 The Benchmark Checklist may be required in the event of any warranty work 10 Baxi Heating UK Ltd 2015 7 0 Warranty amp Service General To make sure your boiler warranty is activated and maintained it is essential that the Benchmark checklist is completed by your installer 2 Warranty is registered with Baxi 3 Boiler has an annual service Please note that failure to adhere to terms and conditions will make your warranty invalid Standard Warranty Terms and Conditions Warranty Registration Service amp Repair For full terms and conditions visit www baxi co uk terms Benchmark Checklist The Benchmark Checklist will be completed by your installer and records that the boiler has been installed and commissioned correctly It can be found at the back of the installation and service manual and should be kept in a safe place for the life of the boiler We will check that the Benchmark Checklist has been completed on an in warranty visit Ways to register your warranty If your boiler is eligible for an extended warranty your installer may register the product on your behalf and provide you with the relevan
12. rt of this publication should be made giving details of the proposed use to the following address The Company Secretary Baxi Heating UK Ltd Brooks House Coventry Road Warwick CV34 4LL Full acknowledgement of author and source must be given WARNING Any person who does any unauthorised act in relation to a copyright work may be liable to criminal prosecution and civil claims for damages C E cose 2 Baxi Heating UK Ltd 2015 Section Page 1 0 Quick Reference Guide 3 2 0 Troubleshooting 4 3 0 Repressurising System 6 4 0 Clearances 7 5 0 Care of the Boiler 8 6 0 Legislation 2 7 0 Warranty amp Service 0 8 0 ErP Information 2 9 0 Emergency 5 10 0 Disposal 5 Boiler Controls see opposite page for Operating Quick Reference Guide BSI COLLECTIVE MARK THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS ISO 9001 FM 00866 1 0 Quick Reference Guide A e ME Ma n WE R Y d A A A A A ON OFF Reset Display Central Heating Calibration Control System Pressure Gauge Selector Switch Temperature Control 0 0 0 MAE ME MAE R R R OFF Position Central Heating amp Hot Water Reset The boiler will not operate Both Heating amp Hot Water will operate Hold for approx 5 seconds and release Central Heating amp Hot Water Indicator The indicator will illuminate when the boiler is
13. spond to its actual energy efficiency once installed in a building as this efficiency is influenced by further factors such as heat loss in the distribution system and the dimensioning of the products in relation to building size and characteristics AD 3000743 01 The value of the seasonal space heating energy efficiency of the preferential space heater expressed in II The factor for weighting the heat output of preferential and supple mentary heaters of a package as set out in the following table Baxi Heating UK Ltd 2015 13 8 0 ErP Information Package Fiche Boilers cont Ill The value of the mathematical expression 294 11 Prated whereby Prated is related to the preferential space heater IV The value of the mathematical expression 115 11 Prated whereby Prated is related to the preferential space heater Weighting of boilers Psup Prated Psup ll package without hot water storage tank Il package with hot water storage tank 0 0 0 0 1 0 3 0 37 0 2 0 55 0 70 0 3 0 75 0 85 0 4 0 85 0 94 0 5 0 95 0 98 0 6 0 98 1 00 20 7 1 00 1 00 1 The intermediate values are calculated by linear interpolation between the two adjacent values 2 Prated is related to the preferential space heater or combination heater Package efficiency Baxi Megaflo System ErP 15 18 24 28 32 Temperature control X Temperature control Y
14. t documentation Please check with your installer Should this not be the case you can register your warranty online at www baxi co uk registration To activate a standard two year warranty please use one of the following methods e Freephone 0800 013 7989 or e Return the enclosed registration card Information Label Baxi Heating UK Ltd 2015 7 0 Warranty amp Service Annual Service A service must be completed every 12 months from the date of installation to maintain your warranty This service must be completed by one of the following e A Gas Safe registered installer engineer Baxi Customer Support call us 0344 871 1525 Please make sure that your engineer has logged the service information at the back of the installation and service manual You will be asked for your service history on any in warranty repair visit If you experience a problem with your boiler For any in or out of warranty repair Baxi Customer Support is on hand to help you Call our award winning team to arrange for one of our nationwide team of Gas Safe registered engineers to visit If your product is in warranty everything is free of charge subject to our warranty terms and conditions If it is out of warranty we can still help and offer a range of options you can choose from to suit your needs Contact Baxi Customer Support 0344 871 1525 Opening hours onday Friday 8 00am 6 00pm Weekends and
15. tify it consult the installer who fitted the boiler 4 The filling loop consists of two taps and a separate metal braided hose with connection fittings Fig 2 5 Only when repressurising should the hose be connected between the two taps Ensure that the nuts Requires on the pipe ends are tightened onto the taps Repressurising 6 Fully open one of the taps first and then while watching the pressure gauge carefully open the second tap 7 When the needle on the gauge is indicating or more turn both taps off 8 Disconnect the metal braided hose from the taps a small amount of water may be present and remove it Keep the hose in a safe place for future use Baxi Heating UK Ltd 2015 5mm Min gt lt 450mm 5mm Min Fig 3 450mm Min For Servicing Purposes 5mm Min gt Fig 4 In Operation Baxi Heating UK Ltd 2015 200mm Min 300mm Min if using 80 125mm flueing system 780mm 4 0 Clearances For your Safety This appliance must have been installed in accordance with the manufacturer s instructions and the regulations in force 2 Any modification 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 could also infringe the Gas Safety Installation and Use Regulations 3 Yo
16. ur boiler must not be operated without the casing correctly fitted 4 Do not interfere with any sealed components on this boiler 5 Take note of any warning labels on your boiler 6 Your boiler should have the following minimum clearances for Safety and Maintenance Figs 3 amp 4 Top 200mm Bottom 150mm Left side 5mm Right Side 5mm Front 5mm In Operation 450mm For Servicing This is the MINIMUM recommended dimension Greater clearance than this will aid installation and maintenance 7 If your boiler is installed in a compartment do not use it for storage purposes Do not obstruct any purpose provided ventilation openings 8 Flammable materials must not be stored in close proximity to your boiler 9 Avoid skin contact when your boiler is in operation as some surfaces may get hot e g pipework 10 Ensure that the flue terminal outside the house does not become damaged or obstructed particularly by foliage It is important that the condensate drain system is not blocked modified or damaged in any way as this would affect the operation of your boiler Your installer should have insulated any exposed pipework Display Fig 5 Table of Error Codes Central Heating NTC Fault Flue NTC Fault Hot Water NTC Fault Safety Thermostat Operated Water Pressure Switch Not Operated Circulation Fault Primary Circuit Flue NTC Operated Interruption Of Gas Supply or
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