Main Eco Compact System 15 Installation And Service Manual Download Page 17

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3.4

Electrical diagram

Fig.5

Electrical wiring diagram

X23

X37

X36

X22

X20

X24

X10

X11

X12

X13

g g

br bk

g/y

X31

PN-0000342

g/y

bk — black

br — brown

b — blue

g — green

r — red

w — while

g/y — green/

yellow

Key

Description

Key

Description

Gas valve

Pump

Flue sensor

Terminal strip

Hydraulic pressure switch

Fan

Heating return sensor

Safety thermostat

Heating flow sensor

Earth point on boiler chassis

M2 low voltage external control connection P

Printed circuit board (PCB)

Spark ignition electrode

3 Technical specifications

Summary of Contents for Eco Compact System 15

Page 1: ...Checklist and should be left with the user for safe keeping They must be read in conjunction with the Flue Installation Guide United Kingdom en Installation and Service Manual High Efficiency Wall Hu...

Page 2: ...sing the product and keep it in a safe place for later reference In order to ensure continued safe and efficient operation we recommend that the product is serviced regularly Our service and customer...

Page 3: ...ameters 15 3 3 Dimensions and connections clearances 16 3 4 Electrical diagram 17 4 Description of the product 18 4 1 General description 18 4 2 Operating principle 18 4 2 1 Air gas adjustment 18 4 2...

Page 4: ...40 6 5 3 Filling the condensate trap 40 7 Commissioning 41 7 1 General 41 7 2 Checklist before commissioning 41 7 2 1 Preliminary electrical checks 41 7 2 2 Checks 41 7 3 Commissioning procedure 42 7...

Page 5: ...y of error codes 56 10 2 Fault finding 57 10 2 1 Central heating 57 10 2 2 Fault finding solutions sections A to E 58 10 2 3 Fault finding solutions sections F to H 59 10 2 4 Fault finding solutions s...

Page 6: ...ller The relevant section of Building Regulations only relates to dwellings Therefore the checklist only applies if the appliance is being installed in a dwelling or some related structure The flowcha...

Page 7: ...form the relevant LABC 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 o...

Page 8: ...dows 3 Trace possible leaks and seal them immediately Warning Do not touch the flue gas pipes Depending on the boiler settings the temperature of the flue gas pipes may exceed 60oC Warning Do not touc...

Page 9: ...modified in any way 1 4 Specific safety instructions 1 4 1 Handling General The following advice should be adhered to from when first handling the boiler to the final stages of installation and also...

Page 10: ...in the following cases Failure to abide by the instructions on installing the appliance Failure to abide by the instructions on using the appliance Faulty or insufficient maintenance of the appliance...

Page 11: ...prove user safety to prevent problems and to guarantee correct operation of the appliance Danger Risk of dangerous situations that may result in serious personal injury Danger of electric shock Risk o...

Page 12: ...s type Supply pressure mbar I2H G20 20 3 1 4 Standards Codes of Practice refer to the most recent version Tab 3 In GB the following Codes of Practice apply Standard Scope BS 6891 Gas Installation BS 5...

Page 13: ...imum rate Net Qn Hi kW 15 5 18 6 Gross Qn Hs kW 17 2 20 6 Nominal heat input 80 60C Minimum rate Net Qn Hi kW 4 64 4 64 Gross Qn Hs kW 5 15 5 15 Nominal heat output 80 60 C central heat ing Maximum ra...

Page 14: ...60529 IP IPX5D IPX5D Dimensions height width depth mm H 700 W 390 D 285 H 700 W 390 D 285 Tab 10 Connections copper tails 15 18 Gas inlet mm 22 22 Heating flow mm 22 22 Heating return mm 22 22 Pressu...

Page 15: ...t 30 of rated heat output and low temperature regime 1 97 8 97 8 Auxiliary electricity consumption Full load elmax kW 0 025 0 025 Part load elmin kW 0 011 0 011 Standby mode PSB kW 0 003 0 003 Other i...

Page 16: ...se removal spanner access and air movement These should be observed at all times and kept clear of obstructions 1 Condensate trap sump 2 Condensate drain 3 Heating circuit water flow 4 Gas inlet 5 Pre...

Page 17: ...9 10 3 4 M2 b bk bk bk br g g g y bk black br brown b blue g green r red w while g y green yellow Key Description Key Description A Gas valve K Pump C Flue sensor L Terminal strip D Hydraulic pressur...

Page 18: ...hly cleansed flushed and treated with inhibitor Important These installation and servicing instructions must be read in conjunction with the Flue Accessories and Fitting Guide supplied in the literatu...

Page 19: ...th automatic air vent 2 Boiler drain tap 3 Pressure gauge 4 Safety pressure relief valve 5 Hydraulic pressure switch 6 Gas valve 7 Safety thermostat 8 Heating flow sensor 9 Flue sensor 10 Flue adaptor...

Page 20: ...changer 11 Control box 19 Safety thermostat 4 DHW plate heat exchanger not on System Models 12 Condensate trap 20 Water Pressure Switch 5 Pump with automatic air vent 13 Safety pressure relief valve 2...

Page 21: ...re 4 5 Standard delivery 4 5 1 Contents of the carton The boiler is delivered in a carton comprising Wall hung gas boiler Wall bracket for fastening the boiler to the wall Clipping bracket for running...

Page 22: ...eating element 720664201 Multifit 3m condensate drain pipe trace Heating element 720664401 Multifit 5m condensate drain pipe trace heating element 5121379 Multifit remote secondary PRV kit 7683087 Mul...

Page 23: ...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 Do not use pipes of a smaller diameter than the boiler gas...

Page 24: ...The boiler is fitted with an automatic integral bypass 5 2 5 System control Further external controls e g room thermostat sensors MUST be fitted to optimise the economical operation of the boiler in a...

Page 25: ...l Adjust the pressure as required and repressurise the system 5 2 9 Safety pressure relief valve 1 Discharge pipe 2 Pressure relief valve A The end of the pipe should terminate facing down and towards...

Page 26: ...and the current ETCI rules 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...

Page 27: ...milar heated 11 Condensate pump 12 Unheated Location e g Garage Tab 17 Examples are shown of the following methods of termination Key Description A Termination to an internal soil and vent pipe B Exte...

Page 28: ...ould be a minimum of 21 5mm diameter and must be supported using suitably spaced clips of the correct design to prevent sagging It is advisable that the full length of condensate pipe is run internall...

Page 29: ...iting balanced flue terminals For GB recommendations are given in BS 5440 Pt 1 For IE recommendations are given in the current edition of I S 813 Domestic Gas Installations Important Due to the nature...

Page 30: ...nt kit The terminal position must ensure the safe and nuisance free dispersal of combustion products If the terminal discharges onto a pathway or passageway check that combustion products will not cau...

Page 31: ...20 Their equivalent lengths are Concentric pipes 135 bend 0 5 metres 93 bend 1 0 metres The elbow supplied with the standard horizontal telescopic flue kit is not included in any equivalent length ca...

Page 32: ...5 3 10 Flue chimney deflector 1 Flue deflector 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 wi...

Page 33: ...r the flue minimum diameter 116mm 6 Drill the wall as previously marked to accept the wall plugs supplied Secure the wall plate using the fixing screws 7 Using a spirit level ensure that the plate is...

Page 34: ...it and a supply pipe provided 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 i...

Page 35: ...to the heating flow and return gas supply 6 Always fit the tap with the drain point to the heating flow 7 Ensure all joints are tight Important Connect the pressure relief discharge pipe first before...

Page 36: ...opic sections the terminal assembly and the connection assembly a roll of sealing tape and two self tapping screws A 93 elbow is also supplied The two sections can be adjusted to provide a length betw...

Page 37: ...ease of assembly do not use any other type Ensure flue is fully engaged into elbow B Apply the lubricant supplied for ease of assembly do not use any other type Ensure elbow is fully engaged into boil...

Page 38: ...OpenTherm Important When fitting external controls remove the yellow link wire from the Mains Terminal Block M1 Important Consideration must be given to Health and Safety Document 635 The Electricity...

Page 39: ...be taken from terminal 2 at the boiler Live Neutral and Earth to power these controls must be taken from the Fused Spur 10 Reclip the terminal block cover back into position and hinge back the contro...

Page 40: ...tallations 2 The sealed primary circuits may be filled or replenished by means of a temporary connection between the circuit and a supply pipe provided a Listed double check valve or some other no les...

Page 41: ...close and disconnect the temporary filling loop except where a permanent loop is fitted Test for gas tightness turn the gas supply on and purge according to GB BS 6891 and in IE I S 813 Domestic Gas I...

Page 42: ...de aeration has completed the display will show the primary flow temperature and the CH symbols Important If during the first commissioning process the power to the boiler is interrupted the de aerat...

Page 43: ...2 Checking combustion chimney sweep mode The case front panel must be fitted when checking combustion Ensure the system is cold and the gas and electric supplies are turned on Important The person ca...

Page 44: ...pear in the display indicating maximum output 5 After checking at maximum turn the CH knob fully anticlockwise 0 will appear in the display indicating minimum output Measuring the combustion Turn on t...

Page 45: ...nternal 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 1545 for advice The appliance MUST NOT be commissioned unt...

Page 46: ...in the User Guide 4 Hand over the User Guide and Installation and Servicing Instructions giving advice on the necessity of regular servicing 5 For IE it is necessary to complete a Declaration of Confo...

Page 47: ...rms a series of tests after which the installation is purged this takes approximately five minutes 8 3 Frost protection Where possible draining the system should be avoided If the system is to be unus...

Page 48: ...ked The integrity of the complete flue system and the flue seals by checking air inlet sample to eliminate the possibility of recirculation O2 20 6 CO2 0 2 The integrity of the boiler combustion circu...

Page 49: ...ate 1 Ensure that both the gas and electrical supplies to the boiler are isolated and that the boiler is cool 2 Remove the case front panel and hinge down the control panel See Specific maintenance in...

Page 50: ...boiler from the gas electrical supplies 2 Remove the front panel 3 Remove the silencer 4 Disconnect the spark electrode lead and earth wire from the detection spark electrode 5 Remove the clip securi...

Page 51: ...ey remove the retaining screws securing the electrode to the combustion chamber door and remove the electrode noting its orientation 3 Fit the new electrode with the sealing gasket 4 Reassemble in rev...

Page 52: ...the pressure gauge capillary replace if necessary 5 Reassemble in reverse order with the new pressure gauge 9 3 6 Safety pressure relief valve 1 Safety pressure relief valve 2 O ring seal 3 Sealing gr...

Page 53: ...ge to 1 bar 9 3 8 Gas valve Tab 22 Characteristics of combustion 15 18 CO2 maximum 9 0 0 3 0 2 9 0 0 3 0 2 minimum 8 5 0 1 0 4 8 5 0 1 0 4 Diameter of coaxial discharge pipes mm 60 100 80 125 60 100 8...

Page 54: ...It is possible to alter the CO2 by adjustment of the gas valve Remove the plastic cover from the Throttle Adjustment Screw At maximum rate the throttle adjustment screw should be turned using a suitab...

Page 55: ...rain the boiler primary circuit 3 Disconnect the electrical plugs from the pump motor 4 Prise off the securing clip that is holding the pump return pipe in position Pull away the pipe 5 Pull out the s...

Page 56: ...e failure during normal operation 125 is displayed in either of two situations If between 15 and 30 seconds of the burner lighting the primary water temperature has not changed by 1 C If within 10 min...

Page 57: ...r re occurs regularly check all PCB connections If this has no effect replace the PCB Fan runs at correct speed 160 flashing Go to section C Spark at ignition electrodes up to 5 seconds for 3 attempts...

Page 58: ...inutes check 230V at PCB X13 connector between blue brown see Wiring Diagram NO Replace PCB YES 230V between PCB X13 connector blue and PCB X11 connector black see Wiring Diagram NO Replace PCB YES 23...

Page 59: ...e CO2 values see instruction 2 Flame sensing electrode and lead connections 3 Flame sensing electrode position 1 2 G Replace flame sensing electrode or PCB Replace PCB YES Replace safety thermostat YE...

Page 60: ...NO System fault correct NO YES Ensure that the boiler and system are fully vented Check flow temperature sensor connections and position Cold resistance approximately 10k 25 C CH sensors resistance r...

Page 61: ...ioning procedure Disconnect the gas electric supplies and isolate them Drain the primary circuit and disconnect the filling device Dismantle the chimney system and remove the boiler from the wall moun...

Page 62: ...12 Disposal 12 1 Disposal and recycling Caution Removal and disposal of the boiler must be carried out by a qualified person in accordance with local and national regulations 12 Disposal 62...

Page 63: ...gnition electrode 7686344 C Flow sensor and return sensor 7207471 D NTC flue sensor 7207892 F Auto air vent 7207776 G Burner door assembly 7686323 H Insulation rear 7661741 J Insulation front 7661745...

Page 64: ...e p m o c start control Time and temperature control to hot water Cylinder thermostat and n o i t a n i b m o C r e m i t r e m m a r g o r p Boiler Heating zone valves t o N d e t t i F required Hot...

Page 65: ...register No Record At max rate CO ppm AND CO At min rate Where Possible CO ppm AND CO Comments Signature SERVICE 02 Date Engineer name Company name Telephone No Gas safe register No Record At max rate...

Page 66: ...any 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 09 Date Engineer name Company name Telephone No Gas safe...

Page 67: ...hnological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent i...

Page 68: ...d 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 in...

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