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Installation and Service Manual

Condensing Central Heating Boiler

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.

Eco Compact Heat

15 - 18 - 24 - 30

Содержание Eco Compact Heat 15

Страница 1: ...tral Heating Boiler 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 Eco Compact Heat 15 18 24 30 ...

Страница 2: ...ber of the Benchmark initiative and fully supports the aims of the programme Its aim is to improve the standards of installation and commissioning of central heating systems in the UK and to encourage the regular servicing of all central heating systems to ensure safety and efficiency Building Regulations require that installations should comply with manufacturer s instructions It is therefore imp...

Страница 3: ...You 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 gassaferegister co uk within 10 days If you notify via the Gas Safe Register the register will issue the Building Regulations certificate on members behalf Complete the Benchmark Checklist Install and Commiss...

Страница 4: ... Control Panel Description 4 4 1 User Interaction Controller 4 5 Standard Delivery 4 6 Accessories Options 4 6 1 Optional Extras 5 Before installation 5 1 Installation Regulations 5 2 Installation Requirements 5 2 1 Gas Supply 5 2 2 Electrical Supply 5 2 3 Hard Water Areas 5 2 4 Bypass 5 2 5 System Control 5 2 6 Treatment of Water Circulating Systems 5 2 7 System Details General 5 2 8 Low Head Ins...

Страница 5: ...f the Appliance 6 2 2 Connecting External Devices 6 3 Filling the System 6 4 Completing the Installation 6 4 1 Completion 7 Commissioning 7 1 General 7 2 Checklist before Commissioning 7 2 1 Preliminary Electrical Checks 7 2 2 Checks 7 3 Commissioning Procedure 7 4 Gas Settings 7 4 1 Chimney Sweep Mode 7 4 2 Chimney Sweep Mode Combustion Check 7 5 Configuring the System 7 5 1 Check the Operational...

Страница 6: ... 10 3 6 Flow Temperature Sensor 10 3 7 Overheat Sensor 10 3 8 Return Temperature Sensor 10 3 9 User Interaction Controller 10 3 10 Combustion Control Unit 10 3 11 Setting the Gas Valve CO2 Check 11 Troubleshooting 11 1 Error Codes Auto Reset 11 2 Lockout Condition 12 Decommissioning Procedure 12 1 Decommissioning Procedure 13 Spare Parts 13 1 General 13 2 Spare Parts List Benchmark Commissioning C...

Страница 7: ... stated in the Gas Safety Installation Use Regulations as may be amended from time to time Definition of competence A person who works for a Gas Safe 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 The addition of anything that may interfere with ...

Страница 8: ...ortant information Signals a referral to other instructions or other pages in the instructions 1 4 abbreviations 1 2 additional Documentation These Installation Service Instructions must be read in conjunction with the Flue Accessories Fitting Guide supplied in the Literature Pack Various timers external controls flue accessories etc are available as optional extras Full details are contained in t...

Страница 9: ...d 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 accordance with the current and relevant requirements of legislation and guidance including the Gas Safety Installation Use Regulations The appropriate Building Regulations either The Building Regulations The...

Страница 10: ...up and carry out any checks necessary Explain the installation to the user Complete the Benchmark Commissioning 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 Homologations 1 6 1 Safety Performance Quality This boiler has been assessed by an appropriate Notif...

Страница 11: ...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 I S 813 Domestic Gas Installations The following standards give valuable additional information BS 5546 Installation of hot water supplies for domestic purposes BS EN...

Страница 12: ...l and national regulations When working on the boiler always disconnect the boiler from the mains and close the main gas inlet valve After maintenance or repair work check the 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 and repair operations WaRning...

Страница 13: ...andling or 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 safe techniques keep your back straight bend your knees Don t twist move your feet avoid bending forwards and sideways and keep the load as close to your body as possible Where possible tran...

Страница 14: ... 18 model W 23 24 model W 33 30 model W 44 External Fuse Rating 3A internal Fuse Rating Terminal Strip Fuse 1 6T appliance Type C13 C33 nOx Class 6 Water Content litres 1 4 15 24 litres 1 7 30 Static Head max 25 metres Low Head 0 4m min System Detail fully pumped open vented sealed systems Electrical Protection IPX4D CO CO2 Ratio Up to a maximum of 0 004 Flow Temperature adjustable 30 C to 80 C 5 ...

Страница 15: ...nitrogen oxides 1 Low temperature means for condensing boilers 30 C for low temperature 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 S Se ee e The back cover for contact details Main Eco Compact Heat Rated heat output Seasonal space heating energy efficie...

Страница 16: ...sed ensure the clearance above the top of the flue elbow X is as shown in the table below 360 Orientation Tube Ø 100mm D C B a E F at Least 3 at Least 1 5 Flue length Y up to 1m 1m 2m 2m 3m 3m 4m 4m 5m 5m 6m Clearance X 30mm 84mm 134mm 186mm 238mm 290mm nOTE There must be no part of the air duct white tube visible outside the property after installation The flue seal should fit neatly and effect a...

Страница 17: ...switch fitted Key To Wiring Colours b Blue r Red br Brown g y Green Yellow bk Black FROM TO COLOUR LINK PRESURE SWITCH PRESURE SWITCH COMBI ONLY COMBI ONLY COMBI ONLY FLOW TEMP FLOW TEMP RETURN TEMP RETURN TEMP FLOW SENSOR FLOW SENSOR FLOW SENSOR HIGH LIMIT BLACK BLACK BLACK BLACK BLUE RED PSU PSU PSU PSU BLACK BLACK BLACK BLACK BLACK BLACK HIGH LIMIT 1 2 3 4 5 6 7 8 9 10 11 12 13 13 1 2 3 4 5 6 7...

Страница 18: ...tic hot water systems and sealed systems 6 An information label giving details of the model serial number and Gas Council number is situated on the front left underside of the outercase and is accessed by pulling forward gently Fig 1 7 The boiler data label is positioned on the inside lower right hand side of the boiler and can be seen when the outercase panel is removed Fig 1 8 The boiler is inte...

Страница 19: ...e gas rate to achieve the optimum boiler operation If the boiler flow temperature exceeds the boiler set point the burner will turn off Fan and Gas Valve off 5 Overtemperature If a boiler overtemperature event occurs triggering the safety thermostat the burner shuts down Fan off and Gas Valve off A locking signal is generated and an error code is displayed 6 Lockout If a lock out error is displaye...

Страница 20: ...he Product 4 3 Main Components 1 Heat Exchanger 2 Combustion Control Unit 3 Condensate Trap 4 Exhaust Tube 5 Inlet Silencer 6 User Interaction Controller 7 Gas Cock 8 Air Pressure Switch 24 30 model only 9 System Drain Cock 10 Air Vent 1 2 3 4 5 6 7 8 9 10 ...

Страница 21: ... information about the operating condition of the boiler 2 The RESET button lights up green when the boiler has a demand for CH or DHW 3 The button can flash in a range of colours and at different frequencies 4 The User Interaction Controller also has one rotary knob The rotary knob can be used to set the maximum flow temperature of the heating water Maximum temperature is 80 C 5 The temperature o...

Страница 22: ...umentation System Additive Leaflets Wall Template Product Leaflet Package Leaflet 4 6 accessories Options 4 6 1 Optional Extras 1 Various items are available as optional extras Flue Accessories elbows extensions clamps etc refer to the Flue Accessories Fitting Guide supplied in the literature pack Remote relief valve kit 1M Condensate Drain Pipe Trace Heating Element 2M Condensate Drain Pipe Trace...

Страница 23: ...ance is a 22mm copper tail located at the rear of the gas service cock It is not necessary for the gas supply pipework to be 22mm providing that the requirements in paragraph 5 2 1 3 below are achieved 3 Ensure that the pipework from the meter to the appliance is of adequate size and the demands of any other gas appliances in the property are taken into consideration The gas service cock incorpora...

Страница 24: ...eteriorate as corrosion sludge accumulates within the system risking damage to pump and valves boiler noise and circulation problems 2 When fitting new systems flux will be evident within the system which can lead to damage of system components 3 BS7593 gives extensive recommendations on system cleansing and water treatment 4 All systems must be thoroughly drained and flushed out using an appropri...

Страница 25: ...he boiler Flow and Return The copper must extend at least 1 metre from the boiler and include any branches Fig 3 5 2 8 Low Head installation Open 1 Using a close coupled arrangement the minimum head is as shown in the diagrams Figs 4 5 6 subject to the following conditions a The pump being adjusted to give a 20 C drop across the boiler b Ideally the pump should be fitted on the flow but providing ...

Страница 26: ...ded a Listed double check valve or some other no less effective backflow prevention device is permanently connected at the inlet to the circuit and the temporary connection is removed after use The filling method adopted must be in accordance with all relevant water supply regulations and use approved equipment Your attention is drawn to for GB Guidance G24 2 and recommendation R24 2 of the Water ...

Страница 27: ...the current edition of I S 813 Domestic Gas Installations and the current ETCI rules 4 If the boiler is to be fitted into a building of timber frame 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 label gives details of the model serial number and Gas Cou...

Страница 28: ...arge pipe should be 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 must be supported using suitably spaced clips of the correct design to prevent sagging 6 it is advisable that the full length of condensate pipe is run internally and preferably be l...

Страница 29: ... to fit the element externally on the condensate drain 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 section must still be adhered to Boiler 2 5 Minimum fall iii Termination to a drain or gully Boiler 500mm min 2 5 Minimum fall iv Termination to a purpose...

Страница 30: ...t Figs 9 10 Additional clearances may be required for the passage of pipes around local obstructions such as joists running parallel to the front face of the boiler These are MINIMUM recommended dimensions Greater clearance will aid installation and maintenance 35mm Min in Cupboard 625mm 370mm 190mm 5mm Min 5mm Min 500mm Min For Servicing Purposes In Operation 5mm Min 270mm At least 1 5 Fig 9 120m...

Страница 31: ...ernal 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 facing a terminal Vertical flue 600 L From an opening in carport e g door window into the dwelling 1200 M Vertically from a terminal on the same wall 1500 N Horizontally from a terminal on the same ...

Страница 32: ...ble terminal guard must be provided 4 The distance from a fanned draught appliance terminal installed parallel to a boundary may not be less than 300mm in accordance with the diagram opposite Fig 12 Reduction to the boundary is possible down to 25mm but the flue deflector kit or the appropriate Plume Displacement Kit must be used The nuisance factor must still be taken into account when these opti...

Страница 33: ...in the flue system must be taken into consideration Their equivalent lengths are 135 bend 0 5 metres 93 bend 1 0 metres 5 The elbow supplied with the standard horizontal telescopic flue kit is not included in any equivalent length calculations Flue length is measured from point i to ii as shown below Read this section in conjunction with the Flue Accessories Fitting Guide supplied with the boiler ...

Страница 34: ... Flue Chimney Deflector 1 Push the flue deflector over the terminal end it may point upwards as shown or up to 45 either way from vertical Secure the deflector to the terminal with screws provided Fig 16 5 3 12 Flue Chimney accessories For full details of Flue Accessories elbows extensions clamps etc refer to the Flue Accessories Fitting Guide supplied in the literature pack Flue Deflector Fig 15 ...

Страница 35: ... locate the slots in the wall bracket over the horizontal tongues on the wall bracket As the boiler is pushed back the wall bracket spring latch will positively engage over the wall bracket Figs AA BB CC 9 Locate the slots in the safety bracket over the two vertical tongues on the wall bracket and secure with the two screws Fig CC Adjust the jack screw to ensure the boiler is fully vertical and th...

Страница 36: ... condensate complies with any national or local regulations in force see British Gas Guidance Notes for the Installation of Domestic Gas Condensing Boilers HHIC recommendations and Section 5 3 5 The pipework should be supported at least every 0 5M and where a change of direction occurs e g an elbow 2 The hose will accept 21 5mm 3 4in plastic overflow pipe which should generally discharge internall...

Страница 37: ...n as X Fig 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 elbow 6 In instances where the dimension X Fig 25 is between 250mm and 315mm it will be necessary to shorten the Terminal Assembly by careful cutting to accommodate walls of these thicknesses 7...

Страница 38: ...with the screws supplied Fig 30 It is essential that the flue terminal is fitted as shown to ensure correct boiler operation and prevent water entering the flue There must be no part of the air duct white tube visible outside the property after installation 15 Make good between the wall and air duct outside the building appropriate to the wall construction and fire rating 16 If necessary fit a ter...

Страница 39: ...urs b Blue br Brown w White o Orange gr Grey g y Green Yellow Fig 32 6 2 1 Electrical Connections of the appliance 1 See Section 5 2 2 for details of the electrical supply 1 metre of 3 core cable is supplied connected to the boiler 2 Switched live must be connected to the brown live wire of the 3 core cable 6 2 2 Connecting External Devices 1 System Controls This boiler operates on a switched live...

Страница 40: ...n 5 2 9 for sealed system details and Section 5 4 4 for filling the condensate trap 6 4 Completing the installation 6 4 1 Completion 1 Before turning on the electrical and gas supply to commission the boiler check that all the installation requirements for the chosen heating system and flue options have been satisfied 2 Ensure that the system is vented to expel any excess air ...

Страница 41: ...inary electrical system checks should be carried out 2 These should be performed using a suitable meter and include checks for Earth Continuity Resistance to Earth Short Circuit and Polarity 7 2 2 Checks Check that the boiler has been installed in accordance with these instructions Check the integrity of the flue system and the flue seals Check the integrity of the boiler combustion circuit and th...

Страница 42: ... 2 Follow the flow chart on the next page to comply with the requirement to check combustion on commissioning 3 Setting the boiler to maximum and minimum heat outputs is achieved as follows Press the button for 3 seconds CSM is activated and will go to the min rate Pressing again will make it adjust to max rate To exit press the RESET for 3 seconds Plug Analyser Probe Flue Sampling Point After ref...

Страница 43: ...ue 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 1545 for advice The appliance MUST NOT be commissioned until all problems are identified and resolved If commissioning cannot be fully completed the appliance must be disconnected from the gas supply in accordance with the GSIUR note Check record the CO combustion rat...

Страница 44: ...ppliances in the property working Measure the gas Rate 4 With any other appliances pilot lights turned OFF the gas rate can be measured It should be as shown in Section 3 1 Technical Data 5 For IE it is necessary to complete a Declaration of Conformity to indicate compliance with I S 813 An example of this is given in I S 813 Domestic Gas Installations This is in addition to the Benchmark Commissi...

Страница 45: ...ations This is in addition to the Benchmark Commissioning Checklist 5 Instruct the user in the operation of the boiler controls Hand over the User s Operating Installation and Servicing Instructions giving advice on the necessity of regular servicing 6 Demonstrate to the user the action required if a gas leak occurs or is suspected Show them how to turn off the gas supply at the meter control and ...

Страница 46: ... of the normal operation of the boiler 5 When installed on a sealed system the method of repressurising the primary system should be demonstrated 8 2 Start up 1 Switch on the boiler at the fused spur unit and ensure that the time control is in the on position and any other controls i e room thermostat are calling for heat The boiler will begin its start sequence 8 3 Shutdown 1 If the CH system is ...

Страница 47: ... gas analyser used should be one meeting the requirements of BS7927 or BS EN50379 3 and be calibrated in accordance with the analyser manufacturers requirements Competence can be demonstrated by satisfactory completion of the CPA1 ACS assessment which covers the use of electronic portable combustion gas analysers in accordance with BS 7967 Parts 1 to 4 4 Check the Combustion Performance CO CO2 rat...

Страница 48: ...ove Fig 37 3 Unscrew the two securing screws on the front panel Remove the front panel Fig 38 4 Visually check for debris damage and clean or replace if necessary the following a Check the water pressure sealed systems b Check the flue pipes and air supply pipes for leaks c Check and clean if necessary the condensate trap see Section 5 4 4 d Check the ignition electrode replace if necessary e Chec...

Страница 49: ...ctrode lead earth lead mains power cable and the main sensor harness from the board Re engage the fan protective cover 9 Disconnect the plug from the gas valve and undo the nut on the gas inlet pipe at the base of the valve 10 Remove the gas assembly Fig 38b from the boiler by releasing the over centre catches Fig 38a that secure it to the heat exchanger 11 Remove the ignition electrode Fig 38c an...

Страница 50: ...securing clip and re engage in the clip on the panel 30 models 1 Remove the clip securing the automatic air vent 2 Manoeuvre the air vent out of the adaptor in the heat exchanger 3 Fit the new air vent and if necessary replace the O ring Refit the securing clip Gasket Spark Ignition Electrode Earth Wire Press the tab to hinge down the Fan Protective Cover Fan Protective Cover Tab Clip Earth Wire I...

Страница 51: ...the top flue duct tube 3 Fit the new pressure switch ensuring the O ring is in place on the lower spigot and reconnect to the wiring harness from the overheat sensor Fan Air Duct Flue Outlet Duct Flue Clip Slide Pressure Switch away from Top Flue Duct Tube Pressure Switch Retaining Latch Disconnect from Overheat Sensor Harness Top Flue Duct Tube Fig 42 Fig 43 10 3 3 Condensate Trap Fig 41 1 Diseng...

Страница 52: ...Sensor Fig 45 The sensor is fitted in a dry pocket 1 Disconnect the wiring from the return temperature sensor 2 Unscrew the sensor from the top of the heat exchanger 3 Fit the new sensor and reconnect the wiring 10 3 9 User interaction Controller Fig 46 1 Disconnect the user interaction controller cable from the PCB and undo the cable gland locknut 2 Note the setting and carefully prise off the ro...

Страница 53: ...age the fan protective cover Fig 49 4 Disconnect the plug from the gas valve and undo the nut on the gas inlet pipe at the base of the valve Fig 50 5 Remove the combustion control unit from the boiler by releasing the over centre catches that secure it to the heat exchanger Fig 51 6 Reassemble all components in reverse order When a seal kit is provided replace the existing seals with the new ones ...

Страница 54: ... probe of the flue gas analyser 4 Check the CO2 is 9 3 0 1 If the CO2 is incorrect alter the Throttle Adjustment Screw Fig 55 Turn the screw anticlockwise to increase the CO2 or clockwise to decrease 2 5mm hexagon key Do not turn either adjustment screw more than 1 8 of a turn at a time Allow the analyser reading to settle before any further adjustment 5 Press the Chimney Sweep button twice to sel...

Страница 55: ...e box If necessary replace combustion control unit 5 flashes green Parameter fault Parameter error or faulty PU Configuration error or PCB fault 6 flashes green Miscellaneous Internal fault in combustion control unit Replace combustion control unit Replace combustion control unit Operation status and error codes are displayed on the chimney sweep button 3 on the control panel In normal operation t...

Страница 56: ...oss of flame detected Check earthing of the appliance Check ignition electrode condition and clean replace if necessary Check gas valve operation Check flue condition Check correct combustion gas valve settings 4 flashes red Fan fault Fan calibration error Fan failure If fan operates check flue installation and condition Replace combustion control unit Replace combustion control unit 5 flashes red...

Страница 57: ... 12 12 Decommissioning 12 1 Decommissioning Procedure 1 Isolate the gas electric supplies and disconnect them 2 Drain the primary circuit and disconnect the filling device 3 Dismantle the chimney system and remove the boiler from the wall mounting frame ...

Страница 58: ...uine Parts only 13 2 Spare Parts List A B C D F E Key Description Manufacturer s No Part No A Sensor Kit 7216301 B Automatic Air Vent 7216300 C Ignition Sensing Electrode 7216299 D Pressure Switch 24 30 only 7212522 E Combustion Control Unit 15 7727467 Combustion Control Unit 18 7727468 Combustion Control Unit 24 7727470 Combustion Control Unit 30 7726070 F User Interaction Controller 7217661 ...

Страница 59: ...ioning 1 The boiler MUST be installed and commissioned in accordance with this manual and all appropriate standards 2 The relevant parts of the checklist must be completed in full Service Record 1 The boiler MUST be serviced annually and details recorded in the Service Record section ...

Страница 60: ...equired 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 inhibitor was used Quantity litres Yes No CENTRAL HEATING MODE measure and record Gas rate m hr OR ft hr Burner operating pressure if applicable mbar OR Gas inlet pressure mbar C Central heating return tem...

Страница 61: ...e 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 safe register No Record At max rate CO ppm AND CO At min rate Where Possible CO ppm AND CO Comments Signature SERVICE 07 Date Engineer name Company name Telephone No Gas safe register No Record At m...

Страница 62: ...62 notes ...

Страница 63: ...63 notes ...

Страница 64: ...rms 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 carefully p...

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