M
Megao System
User Guide
Gas Fired Wall Mounted Condensing System Boiler
15 - 18 - 24 - 28 - 32
en
United Kingdom
Please keep these instructions in a safe place.
If you move house, please hand them over to the next occupier.
Page 1: ...o System User Guide Gas Fired Wall Mounted Condensing System Boiler 15 18 24 28 32 en United Kingdom Please keep these instructions in a safe place If you move house please hand them over to the next occupier ...
Page 2: ...g 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 Boiler Controls see opposite page for Operating Quick Reference Guide 0086 ISO 9001 FM 00866 The Ben...
Page 3: ...icator 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 the display will illuminate showing the current boiler temperature in degrees centigrade Central Heating System Pressure The normal operating water pressure is between 1 and 2 0 bar If the pre...
Page 4: ...er is switched on Is the display lit Display Central Heating Indicator Burner On Indicator Boiler operating satisfactorily bar 0 1 2 3 4 Is the Central Heating System Pressure between 1 and 2 5 bar If the reading falls below 1 bar repressurise the system as described in section 3 1 Does the display show an error code e g E133 E110 Boiler not working NO NO YES YES YES NO Turn the ON OFF Reset Selec...
Page 5: ...fitted set high enough 15 10 5 20 2 5 15 10 5 20 2 5 Turn Room Thermostat to maximum setting typical example shown 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 YES NO CONTACTYOUR INSTALLER OR SERVICE ENGINEER YES 12 1 2 3 4 5 6 7 8 9 1 0 11 CH ON CH OFF Typical examples of external timer NO ...
Page 6: ...taller who fitted the boiler 4 The filling loop consists of two taps and a separate metal braided hose with connection fittings 5 Only when repressurising should the hose be connected between the two taps Ensure that the nuts on the pipe ends are tightened onto the taps 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 ...
Page 7: ...ve the following minimum clearances for Safety and Maintenance Figs 3 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 ventil...
Page 8: ... E then 50 3 E20 E28 E50 E125 E160 indicate faulty components You should make a note of the displayed error code and contact your installer or service engineer 4 If E110 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 contac...
Page 9: ...iciency requirements for new hot water boilers fired with liquid or gaseous fuels Type test for purpose of Regulation 5 certified by Notified Body 0085 Product Production certified by Notified Bodies 0086 For GB IE only 6 2 Benchmark Commissioning Checklist 1 Please ensure that the installer has fully completed the Benchmark Checklist on the inside back pages of the installation instructions suppl...
Page 10: ...ur 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 ...
Page 11: ...am 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 Monday Friday 8 00am 6 00pm Weekends and Bank Holidays 8 30am 2 00pm Please note ...
Page 12: ...ted or Psup Seasonal space heating energy efficiency Annual energy consumption Sound power level LWA indoors See For specific precautions about assembling installing and maintaining consult the relevant section as detailed on the Contents page kW 15 91 13187 47 52 kWh GJ dB A A A A A Baxi Megaflo System ErP 18 15 24 28 32 18 91 15824 57 53 24 92 20870 75 58 28 92 24348 88 53 32 92 27826 100 54 ...
Page 13: ... g a k c a p f o s s a l c y c n e i c fi f e y g r e n e g n i t a e h e c a p s l a n o s a e S e g a k c a p f o y c n e i c fi f e y g r e n e g n i t a e h e c a p s l a n o s a e S R O n i y c n e i c fi f e y g r e n e g n i t a e h e c a p s l a n o s a e S p m u p t a e h y r a t n e m e l p p u S g n i t a r k n a T n i y c n e i c fi f e r o t c e l l o C m n i e m u l o v k n a T m n i e z...
Page 14: ...l expression 115 11 ʷ Prated whereby Prated is related to the preferential space heater Weighting of boilers 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 0 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 III IV I V Psup ...
Page 15: ...vice Engineer as soon as possible 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 the gas supply at the meter Warn any other occupants and vacate the premises Telephone the National Gas Emergency Service on 0800 111 99...
Page 16: ...ll terms and conditions visit www baxi co uk terms Failure to adhere to terms and conditions will void your manufacturer s warranty Baxi Brooks House Coventry Road Warwick CV34 4LL Please ensure the boiler is installed in accordance with these installation instructions and that you adhere to the Building Regulations e oe All descriptions and illustrations provided in this document have been carefu...
