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Baxi EcoBlue 12 System ErP, Installation And Service Manual

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Baxi EcoBlue 12 System ErP Installation And Service Manual Download Page 1

Installation and Service Manual

en

United Kingdom

These instructions include the Benchmark Commissioning Checklist and should be left with the 

user for safe keeping. They must be read in conjunction with the Flue Installation Guide.

Gas Fired Wall Mounted Condensing System Boiler

EcoBlue System

12 - 15 - 18 - 24 - 28 - 32

Summary of Contents for EcoBlue 12 System ErP

Page 1: ...instructions include the Benchmark Commissioning Checklist and should be left with the user for safe keeping They must be read in conjunction with the Flue Installation Guide Gas Fired Wall Mounted Co...

Page 2: ...lding Control Department This can be achieved via a Competent Persons Self Certification Scheme as an option to notifying the Local Authority directly The Health Safety Executive operates the Gas Safe...

Page 3: ...u must ensure that the certificate number issued by the Gas Safe Register is written onto the Benchmark Checklist Scheme Members only Call Gas Safe Register on 0800 408 5577 or log onto www gassafereg...

Page 4: ...iler Frost Protection Mode 4 2 3 Pump Protection 4 3 Main Components 4 4 Control Panel Description 4 5 Standard Delivery 4 6 Accessories Options 4 6 1 Optional Extras 5 Before Installation 5 1 Install...

Page 5: ...ctions of the Appliance 6 5 2 Connecting External Devices 6 6 Filling the Installation 6 7 External Controls 6 7 1 Installation of External Sensors 6 7 2 Optional Outdoor Sensor 7 Commissioning 7 1 Ge...

Page 6: ...3 11 Pump Complete 10 3 12 Automatic Air Vent 10 3 13 Safety Pressure Relief Valve 10 3 14 Heating Pressure Gauge 10 3 15 Hydraulic Pressure Sensor 10 3 16 Main P C B 10 3 17 Boiler Control P C B 10...

Page 7: ...competent In IE this must be carried out by a competent person as stated in I S 813 Domestic Gas Installations The addition of anything that may interfere with the normal operation of the appliance w...

Page 8: ...g triangle DHW Domestic hot water CH Central heating GB Great Britain IE Ireland BS British standard HHIC Heating and Hotwater Industry Council Pn Nominal output Pnc Condensing output Qn Nominal heat...

Page 9: ...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 Gas Safe Registered Installer It must be carried out in...

Page 10: ...sioning Checklist this is a condition of the warranty Warn the user of the obligation to check the appliance and maintain it in good working order Give all the instruction manuals to the user 1 6 Homo...

Page 11: ...d water systems BS 7593 Treatment of water in domestic hot water central heating systems BS 4814 Specification for Expansion Vessels using an internal diaphragm for sealed hot water systems IGE UP 7 1...

Page 12: ...he installation to ensure that there are no leaks CAUTION The boiler should be protected from frost Only remove the casing for maintenance and repair operations Replace the casing after maintenance an...

Page 13: ...lifting the route is clear and unobstructed If possible avoid steps wet or slippery surfaces unlit areas etc and take special care on ladders into lofts Technique When handling or lifting always use...

Page 14: ...Min 12 model kW 13 32 2 66 15 model kW 16 65 3 44 18 model kW 19 98 3 99 24 model kW 26 64 5 22 28 model kW 31 08 5 88 Heat Output Pn Non Condensing Max Min 12 model kW 12 0 2 3 15 model kW 15 0 3 0 1...

Page 15: ...h 1 58 18 model m3 h 1 90 24 model m3 h 2 54 28 model m3 h 2 96 NATURAL GAS ONLY SAP 2009 Annual Efficiency is 12 model 89 2 15 18 24 28 32 models 89 1 This value is used in the UK Government s Standa...

Page 16: ...boilers 37 C and for other heaters 50 C return temperature at heater inlet 2 High temperature regime means 60 C return temperature at heater inlet and 80 C feed temperature at heater outlet See The ba...

Page 17: ...G 106mm H 228mm J 162mm 360 Orientation Flue 100mm D C B A E G F At least 1 5 H J Pressure Relief Valve 15mm Condensate Drain 38 5mm 26 5 mm 130mm 130mm 65 mm 162 5 mm PRV Heating Return 22mm Heating...

Page 18: ...me Sensing Electrode Gas Valve Fan Safety Thermostat b br br b g y b g y bk g br b b b g y g y br b bk g r b b r br b b br g bk Hydraulic Pressure Switch Pump w r bk br bk p y bk r g M2 LowVoltage Ext...

Page 19: ...Fig 2 6 The boiler model serial number and Gas Council number are also shown on the information label behind the boiler control flap Fig 1 This is for user reference 7 The boiler is intended to be ins...

Page 20: ...ure falls below 5 C the boiler will fire until a temperature of 30 C is reached 3 Further protection can be incorporated by using a system frost thermostat 4 2 3 Pump Protection 1 This activates once...

Page 21: ...atic Air Vent 5 Central Heating System Pressure Gauge 6 Fan Assembly with Venturi 7 Expansion Vessel Locating Stud 8 Flame Sensing Electrode 9 Air Gas Collector 10 Spark Ignition Electrode 11 Combusti...

Page 22: ...ol will flash with demand Units for temperature Units for pressure Display Description Central Heating CH Temperature Adjustment Boiler Information View Standby Reset Esc R Standby Reset Esc Button Bo...

Page 23: ...nsor Relay Kit 7214286 Two Channel Wired Programmer Kit 7212443 Mechanical Room Thermostat 7209716 Flue Accessories elbows extensions clamps etc refer to the Flue Accessories Fitting Guide supplied in...

Page 24: ...ulations the codes of practice and the recommendations in these instructions Please refer to 1 5 1 and 1 6 2 Installation must also respect this instruction manual and any other applicable documentati...

Page 25: ...erence should be made to the current edition of ETCI rules 2 The mains supply is 230V 50Hz fused at 3A The method of connection to the electricity supply must facilitate complete electrical isolation...

Page 26: ...ordance with the inhibitor manufacturer s instructions Test kits are available from inhibitor stockists 5 Complete the label supplied with the inhibitor and attach to the inside of the boiler case Det...

Page 27: ...hould terminate facing down and towards the wall Fig 4 3 The discharge must not be above a window entrance or other public access Consideration must be given to the possibility that boiling water stea...

Page 28: ...construction then reference must be made to the current edition of Institute of Gas Engineers Publication IGE UP 7 Gas Installations in Timber Framed Housing 5 3 2 Data Plate 1 The boiler data badge g...

Page 29: ...e run in a proprietary drain pipe material e g PVC PVC U ABS PVC C or PP 4 Metal pipework is NOT suitable for use in condensate discharge systems 5 The pipe should be a minimum of 21 5mm diameter and...

Page 30: ...in or internally as detailed in the instructions provided 15 The fitting of a Trace Heating Element is NOT a substitute for correct installation of the condensate drain ALL requirements in this sectio...

Page 31: ...l obstructions such as joists running parallel to the front face of the boiler This is MINIMUM recommended dimension Greater clearance will aid installation and maintenance 150mm Min 700mm 390mm 175mm...

Page 32: ...or external corner 25 300 I Above ground roof or balcony level 300 J From a surface or boundary line facing a terminal 600 K From a terminal facing a terminal Horizontal flue 1200 From a terminal faci...

Page 33: ...itable terminal guard must be provided 4 Reduction to the boundary is possible down to 25mm but the flue deflector must be used see 5 3 12 The distance from a fanned draught appliance terminal install...

Page 34: ...not included in any equivalent length calculations Read this section in conjunction with the Flue Installation Guide supplied with the boiler WARNING SUPPORT All flue systems MUST be securely supporte...

Page 35: ...upwards as shown or up to 45 either way from vertical Secure the deflector to the terminal with screws provided Fig 13 5 3 13 Flue Chimney Accessories For full details of Flue Accessories elbows exten...

Page 36: ...Fig 15 4 If required mark the position of the gas and water pipes Remove the template Fig 17 5 Cut the hole for the flue minimum diameter 116mm 6 Drill the wall as previously marked to accept the wall...

Page 37: ...for GB Guidance G24 2 and recommendation R24 2 of the Water Regulations Guide for IE the current edition of I S 813 Domestic Gas Installations 4 The sealed primary circuits may be filled or replenishe...

Page 38: ...ical including the discharge pipe supplied Note the intended position of the pipe is adjacent to the gas inlet pipe see Section 3 2 Make all soldered joints before connecting to the pressure relief va...

Page 39: ...ystem If this is not possible discharge into an outside drain is acceptable See section 5 3 5 for further details 3 The boiler condensate trap should be primed by pouring approximately 300ml of water...

Page 40: ...25 5 If the distance from the flue elbow to the outside face of the wall X in Fig 25 is less than 250mm the connection assembly can be discarded and the terminal assembly fitted directly into the elb...

Page 41: ...elbow with the screws supplied with the telescopic flue Fig 30 It is essential that the flue terminal is fitted as shown to ensure correct boiler operation and prevent water entering the flue 13 Make...

Page 42: ...be suitable for 230V switching 7 Remove the link between connections 1 2 The 230V supply at connection 2 must be connected to the thermostat The switched output from the thermostat must be connected t...

Page 43: ...block cover 3 Remove one of the grommets in the boiler lower panel pierce the diaphragm and insert the wires from the outdoor sensor 4 Leave sufficient slack in the wires to allow the control box to...

Page 44: ...est for gas tightness turn the gas supply on and purge according to in GB BS 6891 and in IE I S 813 Domestic Gas Installations Automatic Air Vent Cap Fig 37 Pump bar 0 1 2 3 4 Control Box removed for...

Page 45: ...repeated as necessary until all air is expelled from the system 7 4 Gas Settings 7 4 1 Checking Combustion Chimney Sweep Mode The case front panel must be fitted when checking combustion Ensure the s...

Page 46: ...l flue seals door case seals Replace any seals that appear unsound Is CO 350ppm and CO CO2 ratio 0 004 TURN APPLIANCE OFF Call 0344 871 1525 for advice The appliance MUST NOT be commissioned until all...

Page 47: ...18 model 1 9 m3 h 24 model 2 54 m3 h 28 model 2 96 m3 h 32 model 3 38 m3 h 6 Press together and hold for at least 6 seconds to exit the function Gas Cock Inlet Pressure Test Point Fig 41 Control Box...

Page 48: ...ed 4 The boiler pump will run for up to 10 minutes during which time the diverter valve will switch between heating hot water This will purge air from the system The display will show 5 Once De Aerati...

Page 49: ...advise them not to operate electric light or power switched and to ventilate the property 6 Show the user the location of the system control isolation switch and demonstrate its operation 7 Advise th...

Page 50: ...mperature Adjustment Display Screen R R 8 5 Frost Protection 1 The boiler incorporates an integral frost protection feature that will operate in both Central Heating and Domestic Hot Water modes and a...

Page 51: ...7219708 01 04 15 EcoBlue System 51 Settings 9 9 Settings 9 1 Parameters The operating parameters of the boiler have been factory set to suit most systems...

Page 52: ...in Check the Combustion Performance below 3 Competence to carry out Checking Combustion Performance B S 6798 Specification for Installation Maintenance of Gas Fired Boilers not exceeding 70kWh advises...

Page 53: ...o the air gas venturi Disconnect the pipe Do not break the joint between the pipe and gas valve unless necessary 6 Note their position and disconnect the electrode leads and the fan electrical plugs F...

Page 54: ...ntrol Box removed for clarity Fig 47 Fig 48 10 3 Specific Maintenance Operations Changing Components See Section 10 2 paragraph 2 for removal of case panel door etc 10 3 1 Spark Ignition Flame Sensing...

Page 55: ...acing the seal if necessary Examine the gasket s and replace if necessary 10 3 3 Air Gas Venturi Figs 50 51 1 Undo the securing screw and remove the airbox disengaging it from the fan venturi Remove t...

Page 56: ...2 Remove the electrodes as described in section 13 1 3 Undo the nuts holding the cover to the heat exchanger Draw the air gas collector fan and cover assembly away 4 Remove the cover insulation piece...

Page 57: ...g and leads to the igniter 10 3 8 Heating Flow Return Sensors Fig 55 1 There is one sensor on the flow red wires and one sensor on the return blue wires Note For access to the return sensor first remo...

Page 58: ...curing the body to the pipe and manifold and draw the pump forwards 3 Unscrew the automatic air vent from the pump body 4 Examine the O ring seals on the return pipe and manifold replacing if necessar...

Page 59: ...Ensure the grommet is in place to maintain the integrity of the case seal Refit the condensate trap 10 3 14 Heating Pressure Gauge Figs 60 61 1 Close the flow and return isolation taps and drain the p...

Page 60: ...solation taps and drain the primary circuit For ease of access remove the fan and collector assembly 2 Remove the plug from the sensor and pull the retaining clip forwards The clip is captive and does...

Page 61: ...he boiler 10 3 17 Boiler Control P C B Fig 64 1 Ensure that the power to the boiler is isolated 2 Release the clips securing the control box cover and lift away 3 Note the position of all plugs and wi...

Page 62: ...a suitable calibrated combustion analyser is available operated by a competent person see section 10 1 3 1 Undo the screw and disconnect the electrical plug 2 Turn the gas cock off and undo the nut o...

Page 63: ...djustment screws more than 1 8 of a turn at a time Allow the analyser reading to settle before any further adjustment 10 3 20 Setting the Gas Valve CO2 Check The CO2 must be only be checked and adjust...

Page 64: ...stem checks i e Earth Continuity Resistance to Earth Short Circuit and Polarity with a suitable meter NOTE These checks must be repeated after any servicing or fault finding 5 Ensure all external cont...

Page 65: ...CB connections If this has no effect replace the PCB Spark at ignition electrodes up to 5 seconds for 4 attempts Go to section F Press the reset button for 1 to 3 seconds YES Burner lights Go to secti...

Page 66: ...lt 230V at PCB X11 connector 3 to 4 NO Replace PCB YES 230V at pump YES Replace pump NO Check wiring 230V at PCB X11 connector between blue brown see Wiring Diagram YES NO Replace PCB Replace fan or w...

Page 67: ...ner Check and correct if necessary 1 The set of the gas valve CO2 values see Section 10 3 20 2 Flame sensing electrode and lead connections 3 Flame sensing electrode position 1 2 G Replace sensing ele...

Page 68: ...lic pressure sensor YES Restore correct system pressure YES NO CH system pressure less than 0 5 bar or greater than 2 7 bar on digital display Check wiring and PCB X22 connector for approx 5V DC betwe...

Page 69: ...2 12 Decommissioning 12 1 Decommissioning Procedure 1 Disconnect the gas electric supplies and isolate them 2 Drain the primary circuit and disconnect the filling device 3 Dismantle the chimney system...

Page 70: ...24 28 32 7211855 E Gas Valve 7214341 F Safety Thermostat 720765301 K Pump 7220533 M Heating Flow Return Sensor 720747101 O Pump Automatic Air Vent 720777601 P Hydraulic Pressure Switch 720778001 Q He...

Page 71: ...ter 10 mins 32 model m3 h 3 38 NATURAL GAS ONLY Weights 32 model Packaged Boiler Carton 43 2kg Installation Lift Weight 37 5kg Outercase Dimensions Casing Height 763mm Overall Height Inc Flue Elbow 92...

Page 72: ...07mm for 80 125mm flue systems F 140mm G 106mm H 170mm J 280mm 360 Orientation Flue 100mm D C B A E G F At least 1 5 H J Pressure Relief Valve 15mm Condensate Drain 130 mm 130 mm 45 mm 50 mm 30 95 mm...

Page 73: ...and drain the boiler primary circuit 2 Undo the nut on the pipe connection at the bottom of the vessel and slacken the nut on the hydraulic inlet assembly 3 Remove the screws securing the support brac...

Page 74: ...quired Thermostatic radiator valves Fitted Not required Automatic bypass to system Fitted Not required Boiler interlock Provided ALL SYSTEMS s instructions Yes What system cleaner was used What inhibi...

Page 75: ...Company name Telephone No Gas safe register No Record At max rate CO ppm AND CO At min rate Where Possible CO ppm AND CO Comments Signature SERVICE 06 Date Engineer name Company name Telephone No Gas...

Page 76: ...l 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 bo...

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