Vaillant 0010020392 Installation And Maintenance Instructions Manual Download

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Installation and maintenance instructions

ecoFIT sustain

825 - 835

0020230529_05 - 28.07.2020

Summary of Contents for 0010020392

Page 1: ...en Installation and maintenance instructions ecoFIT sustain 825 835 0020230529_05 28 07 2020...

Page 2: ...cient 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...

Page 3: ...y 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 ou...

Page 4: ...ercially 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 fo...

Page 5: ...t 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...

Page 6: ...aillant 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 Benchm...

Page 7: ...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 86 Flue gas temperature 80 C 60 C at P min 55 55 56 Flue gas temperature 50...

Page 8: ...ume pH value between 3 5 and 4 0 at 50 30 C 1 84 l h 1 84 l h 1 84 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 bar Technical data Domestic hot water VU...

Page 9: ...with 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...

Page 10: ...y 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 b...

Page 11: ...w and return 1 Domestic hot water connection service valve 1 Gas stopcock 2 Connection pipe heating flow and return 1 Cold water connection pipe 1 Domestic hot water connection pipe 1 Gas pipe 1 Drain...

Page 12: ...sequence 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 s...

Page 13: ...earance 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...

Page 14: ...avoid 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 metr...

Page 15: ...guard 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 cl...

Page 16: ...mplate 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: ...0020230529_05 ecoFIT sustain 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...

Page 19: ...move 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 installa...

Page 20: ...ferred 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 le...

Page 21: ...tronics 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: ...e 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...

Page 23: ...sustain 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...

Page 24: ...he 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...

Page 25: ...ot 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...

Page 26: ...alls 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 f...

Page 27: ...ue 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 flu...

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...

Page 29: ...tting 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 cycling time and confirm by pressing TFlow tar get C Set ma...

Page 30: ...hot water temperature 50 3 Descale the water as required 11 Handing over to the end user At the time of commissioning complete all relevant sec tions of the Benchmark commissioning checklist located...

Page 31: ...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 31 12 5 Setting the CO content Condition Th...

Page 32: ...rd 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...

Page 33: ...trap 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 th...

Page 34: ...e 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 t...

Page 35: ...33 13 5 3 Replacing the heat exchanger 1 Remove the front casing Page 16 2 Remove the gas air mixture unit Page 31 1 A B 3 Remove the gas pipe 1 1 2 3 2 4 A B 4 Remove the temperature sensor 3 5 Remo...

Page 36: ...sel 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 P...

Page 37: ...Replace 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 tightn...

Page 38: ...ually 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 ge...

Page 39: ...for 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...

Page 40: ...de 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 S...

Page 41: ...rature 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 42: ...ter 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...

Page 43: ...stic 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...

Page 44: ...own 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...

Page 45: ...exchanger 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...

Page 46: ...RT 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 Tempe...

Page 47: ...30Vac 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...

Page 48: ...mer 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 m...

Page 49: ...t 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 rebalanc...

Page 50: ...LER 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 instructio...

Page 51: ...LER 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 instructio...

Page 52: ...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 53: ...as setting 27 Gas air mixture removing 31 Guarantee and Customer Service 6 H Handing over to the end user 30 Heat exchanger cleaning 32 Heat exchanger replacing 35 High efficiency pump 29 High efficie...

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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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