Vaillant ecoMAX pro 28 E, Instructions For Use Installation And Servicing

Page 1: ...To be left with the user Instructions for Use Installation and Servicing ecoMAX pro Wall hung condensing boilers for traditional open vented systems GB 18 E 28 E...

Page 2: ...y Valve 12 5 9 2 Expansion Vessel 12 5 9 3 Pressure Gauge 12 5 9 4 Domestic Hot Water Cylinder 12 5 9 5 Water Makeup 12 5 9 6 Filling a Sealed Water System 12 5 10 Water Treatment 12 Page 6 Boiler Loc...

Page 3: ...park Electrode 25 15 3 Burner 26 15 4 Combustion Chamber and Heat Exchanger 27 15 5 Condensate Drain 27 15 6 Inner Casing Panel Seal Check 27 16 Combustion analysis 28 17 Fault Finding 29 17 1 Status...

Page 4: ...et 5 2 Guarantee card and envelope and log book 6 1 Template 7 1 Screws wallplugs 8 1 Gas service valve and compression couplers 9 1 Natural Gas to LPG conversion databadge oversticker Vaillant Ltd su...

Page 5: ...body 0086 The CE mark on this appliance shows compliance with 1 Directive 90 396 EEC on the approximation of the laws of the Member States relating to appliances burning gaseous fuels 2 Directive 73 2...

Page 6: ...me as long as the electricity and gas are left switched on This device operates the burner and system pump when the temperature inside the boiler falls to 3 C Any other exposed areas of the system sho...

Page 7: ...be used to switch off the boiler however it is preferable to leave the electrical supply on whenever possible to permit operation of the built in frost protection and daily pump exercise programme 2...

Page 8: ...ater Supply Water Fittings Regulations Water Bylaws The Health and Safety at Work Act Control of Substances Hazardous to Health The Electricity at Work Regulations the current IEE wiring regulations a...

Page 9: ...Instructions for Use Installation and Servicing ecoMAX pro 9 Fig 4 1 12623 12624 Fig 4 2 4 General information...

Page 10: ...plastic drain pipe must be fitted to allow discharge of condensate to a drain Condensate should if possible be discharged into the internal household draining system If this is not practical discharg...

Page 11: ...e please refer to 5 10 Water Treatment 5 6 Open Vented Water System The boiler must be supplied from an unrestricted water supply taken from a feed and expansion cistern situated at a maximum height o...

Page 12: ...filling loop 5 9 Sealed water Systems The installation must comply with the appropriate requirements of the current issue of BS4814 BS5449 BS6759 BS6798 and BS7074 Part 1 and 2 For IE your attention i...

Page 13: ...or shower cannot touch it The boiler must be mounted on a flat wall which is sufficiently robust to take its total weight The boiler may be installed on a combustible wall subject to the requirements...

Page 14: ...ailable and can be used to achieve flue lengths up to 20 m A vertical flue system is also available Refer to flue system installation instructions for full details When extension pipes are used the fl...

Page 15: ...0 L Horizontally from a terminal on the same wall 300 M Distance from adjacent wall for vertical Flue 500 balcony eaves flue extended to clear any overhang flue adequately supported gutter 7 3 Interna...

Page 16: ...template to the side wall This dashed line is drawn at a 50 mm metre 3 rise from the boiler Where this line reaches the side wall a horizontal line should be marked The vertical centre line of the flu...

Page 17: ...the rear of the boiler see Fig 10 1 A 21 5 mm plastic overflow pipe should be connected to the spigot on the condense trap using the coupler The drain pipe should have a fall of a least 2 5 away from...

Page 18: ...length of the extensions which should be taken into account when calculating the length that requires cutting For example Distance from outside wall to butt joint on the flue elbow Y 1500 mm Standard...

Page 19: ...a small amount of sealant 11 3 Flue Assembly The flue assembly is a push fit design with securing collars Remove all burrs from cut pipes Fig 11 5 shows the components supplied in the standard kit an...

Page 20: ...ower b Both the plug and socket comply with the current issue of BS1363 Do not interrupt the mains supply with a time switch or programmer WARNING This appliance must be wired in accordance with these...

Page 21: ...is will be done by the automatic burner sequence control 13 4 Initial Lighting The lighting procedure of the boiler is fully automated To prepare the boiler for initial lighting first ensure that all...

Page 22: ...e the handles from controls valve A and bypass valve B to prevent unauthorised adjustment 13 7 User Controls and Options The mains reset switch is used to restart the boiler after a fault condition ha...

Page 23: ...ig 14 4 fully clockwise Turn the throttle back anti clockwise 5 1 2 turns Ensure that the gas analyser is set to the correct fuel setting Propane To obtain conversion follow the procedure as below Con...

Page 24: ...2 with the B offset adjustment using a 2 mm allen key to 10 5 rotate clockwise to increase After checking the combustion press and hold the mode button for 10 seconds to return to the normal mode show...

Page 25: ...tted to the boiler When removing any water carrying components ensure that the water is kept away from all electrical components Always use new seals and O rings when replacing parts Always test for g...

Page 26: ...e electrical leads from the fan Remove the five combustion chamber front securing nuts see Fig 15 5 Gently remove the fan gas control valve and burner assembly from the combustion chamber complete wit...

Page 27: ...remove the condense trap taking care not to spill any water which may be left in the unit As the unit is lifted remove the flexible pipe on the outlet Remove the cap at the base of the condense trap...

Page 28: ...r interface in normal operating mode press and hold the mode button for 10 seconds until a flashing 0 appears Press the key and scroll through until 8 is shown on the left of the screen then press the...

Page 29: ...02 from cold m3 h Fault Finding Logical fault finding procedure These checks must be carried out before attempting to use the fault finding guide 1 Carry out electrical safety checks see section preli...

Page 30: ...10 Adaptive heating or night day switch No function adjustable 11 Night day setpoint Delta value No function adjustable 12 Central heating flow temperature C Read only 13 Central heating return tempe...

Page 31: ...fault memory screens are now available to be viewed memory 1 being the most recent Within each memory screen 5 additional screens provide further information to assist the installer engineer To cance...

Page 32: ...t thermistor attached correctly to pipe F11 No reception by main board Connection fault between main PCB and interface Faulty interface Faulty main PCB processor Check fan F12 No reception by the loca...

Page 33: ...Instructions for Use Installation and Servicing ecoMAX pro 33 17 Fault finding wiring diagram Fig 17 3 17 4 Fault Finding 12452...

Page 34: ...tion 1 190260 Fan assembly 2 090750 Spark electrode 3 091258 Igniter unit 4 053574 Gas control valve 5 101771 Heating flow return NTC 2 6 101191 Overheat stat 7 130837 Main PCB 8 256271 Mains Reset Sw...

Page 35: ...ar Gas supply G20 Gross CV s t 37 8 37 8 MJ m3 Maximum gas rate 2 00 3 02 M3 h Minimum gas rate 0 53 0 56 M3 h Burner CO2 Case on 9 0 0 2 9 0 0 2 Gas connection 15 mm Compression 15 mm Compression Wat...

Page 36: ...83 49 39 GB_02 2000225283A 11 04 11 2004 Subject to alteration...