Vaillant ecoFIT pure Series Installation And Maintenance Instructions Manual Download

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Installation and maintenance instructions

ecoFIT pure

825 - 835

0020230531_06 - 27.07.2020

Summary of Contents for ecoFIT pure Series

Page 1: ...en Installation and maintenance instructions ecoFIT pure 825 835 0020230531_06 27 07 2020...

Page 2: ...ent water pressure 26 9 6 Flushing the heating installation for the first time cold 26 9 7 Filling and purging the heating installation 26 9 8 Filling the domestic hot water circuit 27 9 9 Checking th...

Page 3: ...direct use in industrial or commercial processes Any use other than those described in these instructions and any use that goes beyond what is described here 1 2 Qualification The person carrying out...

Page 4: ...cially available soft soap to aid installa tion 1 3 3 Electricity The power supply terminals L and N remain live even if the unit main switch is switched off To prevent electric shocks proceed as fol...

Page 5: ...1 3 10 Safety devices Install the necessary safety devices in the installation 1 4 Regulations directives laws standards Observe the national regulations stand ards directives ordinances and laws 1 5...

Page 6: ...illant group com Spares Enquiries Telephone 01773 596 615 To register your Vaillant appliance visit https self service vaillant co uk warranty registration Vaillant is a licensed member of the Benchma...

Page 7: ...e gas mass rate in hot water handling mode at P max 11 6 g s 13 8 g s 16 1 g s Flue gas temperature 80 C 60 C at P max 60 77 82 Flue gas temperature 80 C 60 C at P min 55 55 56 Flue gas temperature 50...

Page 8: ...Approximate value for the condensate volume pH value between 3 5 and 4 0 at 50 30 C 1 84 l h 2 55 l h 2 57 l h P heating at nominal flow T 20 K 0 025 MPa 0 250 bar 0 025 MPa 0 250 bar 0 018 MPa 0 180...

Page 9: ...h serial number Serial number For quality control purposes 3rd and 4th digits year of production For quality control purposes 5th and 6th digits week of production For identification purposes 7th to 1...

Page 10: ...The boiler software is designed to recognise the potential for an overheat lockout and will shutdown before this happens To restart the boiler press the reset button on the boiler interface If the boi...

Page 11: ...Service valve 1 Gas stopcock 1 Filling loop 2 Connection pipe heating flow and return 1 Cold water connection pipe 1 Domestic hot water connection pipe 1 Gas pipe 1 Drain pipe for the Pressure relief...

Page 12: ...quence the heat loss from the appliance casing during operation is very low Compartment ventilation is not required as the products are only certified and can only be fitted with a concentric flue sys...

Page 13: ...arance to noncombustible building material Vertical flue clearance to combustible building material 500 mm 1 500 mm J Above below and either side of an opening door air vent or opening window 300 mm K...

Page 14: ...oid wall staining and nuisance from pluming depending on site conditions Terminals must be positioned so to avoid combustion products entering the building Support the flue at approximately one metre...

Page 15: ...ard is required if persons could come into con tact with the terminal or the terminal could be subject to dam age If a terminal guard is required it must be positioned to provide minimum of 50 mm clea...

Page 16: ...plate Use the mounting template to ascertain the locations at which you need to drill holes 6 8 Wall mounting the product Note If you are using the rear air flue connection in stall the air flue pipe...

Page 17: ...0020230531_06 ecoFIT pure Installation and maintenance instructions 17 2x A B C D 6 10 2 Installing the side section Refit the components in the reverse order...

Page 18: ...tightness of the gas valve assembly using a pressure of 11 kPa 110 mbar 7 2 Descaling the water Scale deposition increases as the water temperature in creases Descale the water as required 7 3 Check c...

Page 19: ...ve all burrs from inside of cut pipe work and avoid excessive adhesive which may trap small pockets of water close to the pipe wall which can freeze and build into a larger ice plug For any installati...

Page 20: ...rred option must not terminate in rain water drain 7 6 1 6 Internal termination downstream of sink waste 100mm 32mm 22mm 3 m Open end of pipe direct into gulley below ground level but above water leve...

Page 21: ...ronics box Follow the instructions in the reverse order 7 8 3 Cable route 2 1 1 230 V cable route 2 24 V cable or eBUS cable route 7 8 4 Carrying out the wiring Caution Risk of material damage caused...

Page 22: ...phase 230 V 50 Hz Fuse protection 3 A 7 Open the electronics box Page 21 8 Observe the routing of the power supply cable 1 in the electronics box in order to guarantee that there is no strain 30 mm N...

Page 23: ...T pure Installation and maintenance instructions 23 Condition When connecting a control 230 V 30 mm N L X1 230V RT Connect the control to the main plug Remove the bridge from the 24V RT plug 4 Close t...

Page 24: ...Anti legionella measures in order to comply with the applicable regulations regarding legionella prevention Set the hot water temperature Condition Water hardness 3 57 mol m Water temperature 50 8 6...

Page 25: ...stipulate more stringent requirements the following applies You must treat the heating water in the following cases If the entire filling and supplementary water quantity dur ing the operating life o...

Page 26: ...ls below 0 05 MPa 0 5 bar the value flashes in the display If the water pressure falls below 0 03 MPa 0 3 bar the product switches off The display shows 0 0 MPa 0 0 bar Fault F 22 is stored in the fau...

Page 27: ...gas recirculation using the air analysis point 3 Use a flue gas analyser 4 If you discover unusual levels of CO or CO 2 in the sup ply air search for the leak in the flue system or for signs of flue...

Page 28: ...stopcock 1 Remove the pressure gauge and retighten the sealing screw 2 for the measuring nipple Open the gas stopcock 1 Check the test nipple for gas tightness Install the front casing Page 16 Reset b...

Page 29: ...ti cycling time does not affect the timing element 10 1 1 Setting the burner anti cycling time 1 Navigate to diagnostics code D 002 in the installer level and confirm by pressing 2 Set the burner anti...

Page 30: ...t to 5 100 using diagnostics parameter d 14 1 Remove the front casing Page 16 1 2 Regulate the pressure using the adjusting screw 1 Position of the adjusting screw Notes application Right hand stop sc...

Page 31: ...35 which imposes a duty of care on all persons who let out any property containing a gas appliance in the UK Explain to the end user how the safety devices work and where they are located Inform the e...

Page 32: ...9 2 1 0 vol CO at full load 250 ppm 250 ppm CO CO 0 0031 0 0031 The value is OK The value is not OK you cannot start up the product Set the CO content Page 32 12 5 Setting the CO content Condition The...

Page 33: ...d ing to the following sections 13 Install the two new burner seals 12 7 Cleaning the heat exchanger 1 1 Protect the open electronics box from spraying water 2 Clean the ribs of the heat exchanger 1 w...

Page 34: ...rap 2 12 11 Cleaning the strainer in the cold water inlet 1 Close the main cold water supply line 2 Drain the product on the domestic hot water side 3 Remove the connector from the connection for the...

Page 35: ...last 10 fault messages are stored in the fault memory Call up the installer level Page 24 Navigate to the fault codes The number of faults that have occurred is shown in the display and the faults th...

Page 36: ...34 13 5 3 Replacing the heat exchanger 1 Remove the front casing Page 16 2 Remove the gas air mixture unit Page 32 1 A B 3 Remove the gas pipe 1 1 2 3 2 4 A B 4 Remove the temperature sensor 3 5 Remov...

Page 37: ...l to the water connec tion To do this use a new seal 8 Attach the support plate using both screws 9 Fill and purge the product Page 26 and if required the heating installation 13 5 6 Replacing the PCB...

Page 38: ...eplace the pressure sensor 1 2 1 Pull out the plug 2 Remove the clip 1 3 Remove the pressure sensor 2 4 Install the new pressure sensor 5 Reattach the clip 1 13 6 Checking the product for leak tightne...

Page 39: ...ally 10 If the gas flow rate lies outside of the tolerances specified in these in structions eliminate the fault in accordance with the regulations and the current technology Annually 11 Check the gen...

Page 40: ...or the product in question Dia gnostics code Parameter Values Unit Increment select explanation Default set ting Own setting Min Max d 00 Heating maximum output kW The maximum heating output varies de...

Page 41: ...stage 2 pump flow overrun stage 1 1 Heating mode and pump flow overrun stage 1 hot water handling mode stage 2 2 Automatic heating mode pump flow overrun stage 1 hot water handling mode stage 2 3 Sta...

Page 42: ...ature Current value Not adjustable d 41 Heating return temperat ure Current value Not adjustable d 43 Heating curve 0 2 4 0 1 1 2 Adjustable d 45 Value for the base point of the heating curve 15 30 1...

Page 43: ...er handling mode Current value h Running time Display value x 100 Not adjustable d 82 Number of burner igni tions in heating mode Current value Number of ignitions Display value x 100 Not adjustable d...

Page 44: ...tic hot water mode Fan prerun S 22 Domestic hot water mode Pump prerun S 23 Domestic hot water mode Burner ignition S 24 DHW mode Burner on S 25 DHW mode Pump fan overrun S 26 DHW mode Fan overrun S 2...

Page 45: ...n Temperature rise too fast Pump blocked insufficient pump output air in product system pressure too low non return valve blocked incorrectly installed F 25 Safety shutdown Flue gas temperature too hi...

Page 46: ...xchanger is defective Safety cut out feedback does not match the gas valve assembly feedback F 77 Fault Condensate or smoke No response flue non return flap defective F 78 Interruption to DHW outlet s...

Page 47: ...T 230Vac X35 4 1 3 2 eBUS RT 24V Burner off X106 1 3 4 1 3 3 1 2 M 1 3 4 6 1 2 3 M 5 4 2 1 2 1 2 1 N L L 24V 230V 24V 230V 2 7 8 9 10 12 11 1 4 3 5 6 14 13 1 Main PCB 2 Interface PCB 3 Timer 4 Tempera...

Page 48: ...Vac 4 3 1 2 eBUS RT 24V Burner off X106 X35 1 3 4 1 3 3 1 2 M 1 3 4 6 1 2 3 M 4 3 2 1 5 4 2 1 5 6 7 8 2 1 2 1 N L L X35 24V 230V 24V 230V 2 7 8 9 10 12 11 1 4 5 6 14 13 3 1 Main PCB 2 Interface PCB 3...

Page 49: ...r and they should be made aware it is ultimately their responsibility to register with the manufacturer within the allotted time period It is essential that the boiler is serviced in line with the man...

Page 50: ...left at factory settings Yes No If no what is the maximum central heating output selected kW Dynamic gas inlet pressure mbar C Central heating return temperature C System correctly balanced rebalanced...

Page 51: ...R delete as appropriate Date Engineer name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO CO CO undertaken in accordance with manufacturers instructions...

Page 52: ...R delete as appropriate Date Engineer name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO CO CO undertaken in accordance with manufacturers instructions...

Page 53: ...specify how to set boiler to minimum rate contact Technical Helpline for advice CHECK CO AND COMBUSTION RATIO AT MINIMUM RATE With boiler still set at minimum rate insert analyser probe into flue gas...

Page 54: ...s setting 27 Gas air mixture removing 32 Guarantee and Customer Service 6 H Handing over to the end user 31 Heat exchanger cleaning 33 Heat exchanger replacing 36 High efficiency pump 29 High efficien...

Page 55: ......

Page 56: ...lisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 492191 18 0 Fax 492191 18 2810 info vaillant de www vaillant de These instructions or parts thereof are protected by copyright...

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