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Appendix

0020230533_01 ecoFIT pure Installation and maintenance instructions

33

Fault code

Meaning

Possible cause

F.20

Safety switch-off: Overheating temperat-
ure reached

Incorrect earth connection between cable harness and product, flow or return
NTC defective (loose connection), black discharge via ignition cable, ignition
plug or ignition electrode

F.22

Safety switch-off: Low water pressure in
the boiler

No or insufficient water in the product, water pressure sensor de-
fective, cable to the pump or to the water pressure sensor loose/not
connected/defective

F.23

Safety switch-off: Temperature difference
too great (NTC1/NTC2)

Pump blocked, insufficient pump output, air in product, flow and return NTC
sensors connected the wrong way round

F.24

Safety switch-off: 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 switch-off: Flue gas temperature
too high

Break in plug connection for optional flue gas safety cut-out (STB), break in
cable harness

F.27

Safety switch-off: Fault in flame detection

Moisture on the electronics, electronics (flame monitor) defective, gas solen-
oid valve leaking

F.28

Fault: Ignition unsuccessful when starting
up

Gas meter defective or gas pressure monitor has triggered, air in gas, gas
flow pressure too low, thermal isolator device (TAE) has triggered, incorrect
gas restrictor, incorrect spare gas valve, fault on the gas valve, multiple plug
on PCB incorrectly plugged in, break in cable harness, ignition system (ig-
nition transformer, ignition cable, ignition plug, ignition electrode) defective,
ionisation current interrupted (cable, electrode), incorrect earthing of product,
electronics defective

F.29

Fault: Flame loss

Gas supply temporarily stopped, flue gas recirculation, incorrect earthing of
product, ignition transformer has spark failure

F.32

Fan frost protection function active: Fan
speed outside the tolerance values

Plug on fan not correctly plugged in, multiple plug on PCB not correctly
plugged in, break in cable harness, fan blocked, Hall sensor defective, elec-
tronics defective

F.49

eBUS fault: Voltage too low

Short circuit on eBUS, eBUS overload or two power supplies with different
polarities on the eBUS

F.61

Fault: Gas valve control system

Short circuit/short to earth in cable harness for the gas valve, gas valve
defective (coils shorted to earth), electronics defective

F.62

Fault: Gas valve switch-off control

Delayed switch-off of gas valve, delayed extinguishing of flame signal, gas
valve leaking, electronics defective

F.63

Fault: EEPROM

Electronics defective

F.64

Fault: Electronics/sensor/analogue-to-
digital converter

Flow or return NTC short circuited, electronics defective

F.65

Fault: Electronics temperature too high

Electronics overheating due to external influences, electronics defective

F.67

Value sent back by ASIC is incorrect
(flame signal)

Implausible flame signal, electronics defective

F.68

Fault: Unstable flame (analogue input)

Air in gas, gas flow pressure too low, incorrect air ratio, incorrect gas re-
strictor, ionisation flow interruption (cable, electrode)

F.70

Invalid product code (DSN)

Display and PCB replaced at same time and Device Specific Number not
reset, wrong or missing output range coding resistance

F.71

Fault: Flow/return temperature sensor

Flow temperature sensor signalling constant value: Flow temperature sensor
incorrectly positioned on supply pipe, flow temperature sensor defective

F.72

Fault: Deviation in the water pressure
sensor/return temperature sensor

Flow/return NTC temperature difference too great

flow and/or return tem-

perature sensor defective

F.73

Fault: Water pressure sensor not con-
nected or has short-circuited

Interruption/short circuit of water pressure sensor, interruption/short circuit
to GND in supply line to water pressure sensor or water pressure sensor
defective

F.74

Fault: Electrical problem in the water
pressure sensor

Line to water pressure sensor has a short circuit to 5 V/24 V or internal fault
in the water pressure sensor

F.75

Fault: Pressure sensor

Pressure switch defective

F.76

The safety cut-out in the primary heat
exchanger is defective

Safety cut-out feedback does not match the gas valve feedback

F.77

Fault: Condensate or smoke

No response, flue non-return flap defective

F.78

Interruption to DHW outlet sensor at
external controller

UK link box is connected, but hot water NTC not bridged

F.83

Fault: Dry fire

When the burner starts, the temperature change registered at the flow or
return temperature sensor is non-existent or too small: Insufficient water
in the product, the flow or return temperature sensor is not in the correct
position on the pipe

Содержание ecoFIT pure

Страница 1: ...nd maintenance instructions ecoFIT pure 612 630 GB IE Installation and maintenance instructions Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 49 21 91 18 0 Fax 49 21 91 18 2810 info vaillant de www vaillant de ...

Страница 2: ...rging the heating installation 16 7 8 Filling the condensate siphon 16 7 9 Filling the hot water circuit 16 7 10 Checking the gas flow rate 16 7 11 Checking and adjusting the gas settings 17 7 12 Checking leak tightness 18 8 Adapting the unit to the heating installation 18 8 1 Burner anti cycling time 19 8 2 Setting the pump output 19 8 3 Setting the bypass valve 20 8 4 Setting the hot water tempe...

Страница 3: ...d heating installations and for hot water generation Depending on the gas fired boiler type the products referred to in these instructions must only be installed and operated in con junction with the air flue pipe accessories lis ted in the other applicable documents Intended use includes the following observance of accompanying operating installation and servicing instructions for the product and...

Страница 4: ... product from the power supply by switching off all power supplies electrical partition with a contact opening of at least 3 mm e g fuse or line protec tion switch Secure against being switched back on again Wait for at least 3 minutes until the con densers have discharged 1 4 6 Risk of death due to lack of safety devices The schematic drawings included in this doc ument do not show all safety dev...

Страница 5: ...the mass flow sensor on the Venturi and thus destroy the mass flow sensor During repair work do not apply any leak detection sprays or liquids to the covering cap on the filter of the Venturi 1 4 12 Risk of material damage caused by frost Do not install the product in rooms prone to frost 1 4 13 Risk of material damage caused by using an unsuitable tool Use the correct tool to tighten or loosen sc...

Страница 6: ...ater Industry Council For more information visit www centralheating co uk 3 Product description 3 1 Compartment Ventilation The boilers are very high efficiency appliances As a consequence 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 system 3 2 Informatio...

Страница 7: ...ngle person 4 1 1 General Hold the load as close as possible to your body Avoid rotational movements Instead reposition your feet If the unit is being lifted by two persons ensure your movements are coordinated during lifting Avoid bending your upper body do not lean forwards or to the side Wear suitable non slip protective gloves in order to pro tect your hands against sharp edges Ensure that you...

Страница 8: ...ls ought to be removed D 600 mm It is not necessary to maintain a clearance between the product and components made of combustible materials that go beyond the minimum clearances 4 6 Clearance from combustible components It is not necessary to maintain a clearance between the product and components made of combustible materials that go beyond the minimum clearances Page 8 4 7 Using the installatio...

Страница 9: ... 1 Undo the two screws 1 2 Gently press the front casing backwards in the centre so that the latching lug is released 3 Pull the front casing forwards at the bottom edge 4 Lift the front casing upwards from the bracket 4 9 2 Installing the front casing Refit the components in the reverse order 4 10 Removing installing the side section 4 10 1 Removing the side section Caution Risk of material damag...

Страница 10: ...ng installation air gets into the heating water Air in the heating water causes corro sion in the heat generator circuit and in the product If you use non diffusion tight plastic pipes in the heating installation ensure that no air gets into the heat generator circuit Caution Risk of material damage due to heat trans fer during soldering Only solder connection pieces if the con nection pieces are ...

Страница 11: ... within the heated envelope of the building that will remain frost free under long periods of low external temperatures Connect the condensate siphon 1 Use the supplied drain hose 2 for this Connect a condensate discharge pipe 21 5 mm not included in the scope of delivery to the drain hose 2 During installation remove all burs from inside of cut pipe work and avoid excessive adhesive which may tra...

Страница 12: ...witches 4 Provide one common electricity supply for the boiler and for the corresponding controller Power supply Single phase 230 V 50 Hz Fuse protection 3 A 5 Open the electronics box Page 11 6 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 L X1 230V RT 7 Carry out the wiring Page 12 8 Close the electronics box 9 Make s...

Страница 13: ...ff the display is switched off Each time the unit is started the fan runs for 20 seconds Residual heat in the heating return may result in the product blocking the burner for 10 minutes 4 Close the electronics box 6 Operation 6 1 Operating concept The operating concept and the display and setting facilities of the operator level are described in the operating instruc tions An overview of the displ...

Страница 14: ...2 Checking the type of gas Make sure that the product is set up correctly by checking the type of gas This ensures optimum combustion quality Check the type of gas as part of routine product mainten ance work when replacing components or carrying out work on the gas route 7 3 Checking the factory setting The product s combustion has been factory tested and is preset for operation with the gas grou...

Страница 15: ...nt damage Do not use any unsuitable frost and cor rosion protection agents biocides or seal ants No incompatibility with our products has been detected to date with proper use of the following additives When using additives follow the manufacturer s instruc tions without exception We accept no liability for the compatibility of any additive or its effectiveness in the rest of the heating system Ad...

Страница 16: ...ection of the siphon 1 from the up per section of the siphon 2 2 Remove the float 3 3 Fill the lower section of the siphon with water up to 10 mm below the upper edge of the condensate drain pipe work 4 Re insert the float 3 Note Check that the float is present in the con densate siphon 5 Clip the lower section of the siphon 1 into the upper section of the siphon 2 7 9 Filling the hot water circui...

Страница 17: ... boiler operating at full load check that the gas inlet working pressure at the reference test point 2 complies with the requirements Permissible connection pressure Great Bri tain Natural gas G20 1 7 2 kPa 17 0 20 mbar 9 Should the pressure recorded at the reference test point in the boiler be lower than indicated check if there is any blockage in the pipework or if the pipework is un dersized Co...

Страница 18: ... an ad ditional 1 bar reading on the pressure gauge The minimum pressure should not be less than 0 1 MPa 1 bar in any installation If the system is to be treated with an inhibitor it should be applied at this stage in accordance with the manufacturer s instructions Further information can be obtained from Sentinel Betz Dearborn Ltd Tel 0151 420 9595 or Fernox Alpha Fry technologies Tel 0870 870036...

Страница 19: ... 0 3 5 75 2 0 1 0 1 0 1 0 1 0 1 0 1 0 TFlow target C Set maximum burner anti cycling time min 35 40 45 50 55 60 30 29 0 33 0 37 0 41 0 45 0 49 5 35 25 5 29 5 33 0 36 5 40 5 44 0 40 22 5 26 0 29 0 32 0 35 5 38 5 45 19 5 22 5 25 0 27 5 30 5 33 0 50 16 5 18 5 21 0 23 5 25 5 28 0 55 13 5 15 0 17 0 19 0 20 5 22 5 60 10 5 11 5 13 0 14 5 15 5 17 0 65 7 0 8 0 9 0 10 0 11 0 11 5 70 4 0 4 5 5 0 5 5 6 0 6 5 ...

Страница 20: ...s case set the pump output to 5 100 using diagnostics parameter d 14 Conditions d 14 is set to 0 auto Do not change the factory settings Conditions d 14 is set to 1 5 Remove the front casing Page 9 1 Regulate the pressure using the adjusting screw 1 Position of the adjusting screw Notes application Right hand stop screwed all the way in If the radiators do not heat up sufficiently at the default s...

Страница 21: ...to the fault codes The number of faults that have occurred is shown in the display and the faults that are currently called up are displayed with their fault numbers F xx Press or to call up individual fault messages To delete the entire fault list navigate to diagnostics code D 094 in the installer level Set the diagnostics code to 1 and confirm by pressing 10 3 Resetting parameters to factory se...

Страница 22: ...1 12 Undo the four screws 2 2 1 B C A 13 Remove the ignition electrode 1 14 Lift the heat exchanger up slightly and remove it to gether with the condensate tray 15 Remove the ignition transformer 2 16 Install the new heat exchanger in reverse order 10 5 4 Replacing the pump head 1 2 1 Disconnect the pump cable from the electronics box 2 Undo the four bolts 1 3 Remove the pump head 2 4 Replace the ...

Страница 23: ...x Page 11 2 Pull all of the plugs out from the PCB 3 Undo the clips on the PCB 4 Remove the PCB 5 Install the new PCB in such a way that it clicks into the groove at the bottom and into the clip at the top 6 Plug in the PCB plugs 7 Close the electronics box 10 5 7 Replacing the PCB for the user interface B C C D A A 1 Open the electronics box Page 11 2 Pull the plug out of the PCB 3 Undo the clips...

Страница 24: ...strongly recommend that you use original spare parts from the manufacturer as this guarantees fault free and safe operation of the product To receive information about the available original spare parts contact the contact address provided on the reverse of these instructions If you require spare parts for maintenance or repair work use only the spare parts that are permitted for the product 11 4 ...

Страница 25: ...e you must not start up the product Inform Customer Service Check whether the air quality requirements with regard to carbon monoxide are fulfilled Fit the front panel 11 6 Removing the gas air mixture unit Note The gas air mixture unit consists of three main components Ventilator Gas valve Burner cover 1 Switch off the product via the main switch 2 Close the gas isolator cock 3 Remove the front c...

Страница 26: ...fully remove the electrode from the combustion chamber 4 Check that the electrode ends 4 are undamaged 5 Check the electrode distance Clearance for the ignition electrodes 3 5 4 5 mm 6 Make sure that the seal 5 is free from damage If necessary replace the seal 11 10 Cleaning the condensate siphon C 2 3 1 A B 1 Unclip the lower section of the siphon 1 from the up per section of the siphon 2 2 Remov...

Страница 27: ...at the drain valve is open when topping up 3 If water escapes from the valve of the expansion vessel you must replace the expansion vessel Page 22 4 Fill and purge the heating installation Page 16 11 14 Completing inspection and maintenance work 1 Check the gas connection pressure gas flow pressure Page 17 2 Check the CO content Page 18 11 15 Checking the product for leak tightness Check that the ...

Страница 28: ...Set target temperature for the domestic hot wa ter cylinder Current value Not adjustable d 08 Status of the 230 V ther mostat Current value 0 Room thermostat open no heat requirement 1 Room thermostat closed heat requirement Not adjustable d 09 Heating flow set target temperature that is set on the eBUS room ther mostat Current value Not adjustable d 10 Status of the internal pump in the heating c...

Страница 29: ...le d 23 Status of the heating demand Current value off Heating off Summer mode on Heating on Not adjustable d 24 Status of the pressure monitor 0 1 off Not switched on Switched Not adjustable d 25 Status of the requirement to reheat the cylinder or for the hot water warm start from the eBUS ther mostat Current value off Function deactivated on Function activated Not adjustable d 27 Function of rel...

Страница 30: ... deactivated 3 Hot water activated min target value 60 C 0 Adjustable d 60 Number of blocks by the temperature limiter Current value Not adjustable d 61 Number of unsuccessful ignitions Current value Not adjustable d 62 Night set back 0 30 1 0 Adjustable d 64 Average burner ignition time Current value s Not adjustable d 65 Maximum burner ignition time Current value s Not adjustable d 66 Activation...

Страница 31: ... of the eBUS room thermostat Current value off Not connected on Connected Not adjustable d 91 Status DCF77 Current value Not adjustable d 93 Setting the product code 0 99 1 The Device Specific Number DSN can be found on the iden tification plate Adjustable d 94 Delete fault list 0 1 off No on Yes Adjustable d 95 Software versions 1 Main PCB 2 Interface PCB Adjustable d 96 Default setting reset 0 N...

Страница 32: ... pressure S 88 Product purging active S 91 Maintenance Demo mode S 96 Automatic test programme Return temperature sensor heating demands blocked S 97 Automatic test programme Water pressure sensor heating demands blocked S 98 Automatic test programme Return temperature sensor heating demands blocked S 99 Internal automatic test programmes S 108 Purging the combustion chamber fan in operation S 109...

Страница 33: ...n the eBUS F 61 Fault Gas valve control system Short circuit short to earth in cable harness for the gas valve gas valve defective coils shorted to earth electronics defective F 62 Fault Gas valve switch off control Delayed switch off of gas valve delayed extinguishing of flame signal gas valve leaking electronics defective F 63 Fault EEPROM Electronics defective F 64 Fault Electronics sensor anal...

Страница 34: ...have been installed on the same pipe incorrect pipe Temperature sensor not connected or is connected incorrectly F 86 Fault Underfloor heating contact Underfloor heating contact open sensor disconnected or defective F 87 Fault Electrodes Electrodes not connected or they are connected incorrectly short circuit in the cable harness F 88 Fault Gas valve Gas valve not connected or it is connected inco...

Страница 35: ...4V RT BUS Burner off RT 230Vac X1 FUS X106 X32 X90 X12 X35 RT 230Vac N L X1 X21 4 1 3 2 eBUS RT 24V Burner off X106 1 3 4 1 3 1 2 3 M 5 4 2 1 2 1 2 1 N L L 24V 230V 24V 230V 2 6 7 9 8 1 3 4 5 11 10 1 Main PCB 2 Interface PCB 3 Temperature sensor in the heating flow 4 Temperature sensor in the heating return 5 Fan 6 Gas valve 7 Pressure sensor 8 External ignition device 9 Heating pump 10 Ionisation...

Страница 36: ...N 24V RT BUS Burner off RT 230Vac X1 FUS X106 X32 X90 X12 X35 X21 L N RT 230Vac N L X1 1 3 4 1 3 1 2 3 eBUS Burner off X106 M 5 4 2 1 2 1 2 1 N L L 24V 230V 24V 230V X12 L N 2 7 8 10 9 1 4 3 5 6 12 11 1 Main PCB 2 Interface PCB 3 Control system 4 Temperature sensor in the heating flow 5 Temperature sensor in the heating return 6 Fan 7 Gas valve 8 Pressure sensor 9 Ionisation electrode 10 Heating p...

Страница 37: ...d correctly and correct these if necessary X X 7 Close the gas isolator cock and the service valves X X 8 Drain the product on the water side Check the pre charge pressure of the expansion vessel and if required top up the expansion vessel approx 0 03 MPa 0 3 bar below the system filling pressure X 9 Remove the gas air mixture unit X 10 Check the seals in the combustion area If you see any damage ...

Страница 38: ...es 75 mm E Below eaves 200 mm F Below balconies or car port roofs 200 mm G From vertical wastewater pipes or down pipes 150 mm H From external or internal corners 200 mm I Above floors roofs or balconies 300 mm J From a surface facing a terminal 600 mm K From a terminal facing a terminal 1 200 mm L From an opening in the car port e g door window which leads into the dwelling 1 200 mm M Vertical fr...

Страница 39: ...this manual 1 Dimensions D E F and G These clearances may be reduced to 25 mm without affecting the performance of the boiler In order to ensure that the con densate plume does not affect adjacent surfaces the terminal should be extended as shown below Balcony eaves Gutter Adequately secured air flue gas pipe The flue pipe must protrude beyond any overhang 2 Dimension H This clearance may be reduc...

Страница 40: ...ecoFIT pure 0020230533_01 H Commissioning Checklist Heating and Hotwater Industry Council HHIC www centralheating co uk Benchmark Commissioning and Servicing Section It is a requirement that the boiler is installed and commissioned to the completed in full ...

Страница 41: ...ith the appropriate Building Regulations and then handed to the customer to keep for future reference GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS Optimum start control Fitted Fitted Fitted Fitted ALL SYSTEMS Yes Yes CENTRAL HEATING MODE OR mbar OR mbar COMBINATION BOILERS ONLY Yes Yes DOMESTIC HOT WATER MODE OR mbar OR mbar Yes Temperature CONDENSING BOILERS ONLY Yes ALL INSTALLATIONS AND R...

Страница 42: ...ng system is serviced regularly and that the appropriate Service Interval Record is completed Service Provider SERVICE RECORD SERVICE 01 AND AND SERVICE 02 AND AND SERVICE 03 AND AND SERVICE 04 AND AND SERVICE 05 AND AND SERVICE 06 AND AND SERVICE 07 AND AND SERVICE 08 AND AND SERVICE 09 AND AND SERVICE 10 AND AND ...

Страница 43: ...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 sampling point Allow readings to stabilise before recording NOTE If no flue gas sampling point is present and the correct procedure is not specified in the manual consult boiler manufacturer for guidance CHEC...

Страница 44: ... Approximate value for the condensate volume pH value between 3 5 and 4 0 at 50 30 C 3 06 l h ΔP heating at nominal flow ΔT 20 K 0 025 MPa 0 250 bar Technical data G20 power loading G20 VU 126 6 3 H GB VU 156 6 3 H GB VU 186 6 3 H GB VU 256 6 3 H GB Maximum heat output 12 kW 15 kW 18 kW 25 kW Effective output range P at 40 30 C 4 8 13 0 kW 4 8 16 2 kW 5 3 19 5 kW 6 5 27 0 kW Effective output range...

Страница 45: ...46 Flue gas mass rate in heating mode at P min 2 06 g s 2 08 g s 2 31 g s 2 81 g s Flue gas mass rate in heating mode at P max 5 5 g s 6 9 g s 8 3 g s 11 5 g s Flue gas mass rate in hot water handling mode at P max 6 9 g s 8 3 g s 11 6 g s 13 8 g s Flue gas temperature 80 C 60 C at P max 55 55 60 77 Flue gas temperature 80 C 60 C at P min 55 55 55 55 Flue gas temperature 50 C 30 C at P max 43 48 5...

Страница 46: ...rature 50 C 30 C at P max 56 Flue gas temperature 50 C 30 C at P min 37 Flue gas temperature in hot water handling mode 75 Flue gas temperature when over heating 104 Released system types C13 C33 C43 C53 Nominal efficiency at 80 60 C 99 2 Nominal efficiency at 50 30 C 104 0 Nominal efficiency at 40 30 C 106 0 Nominal efficiency in partial load operation 30 at 40 30 C 109 8 NOx class 5 Product dime...

Страница 47: ... Installation and maintenance instructions 47 VU 306 6 3 H GB Electric connection 230 V 50 Hz Built in fuse slow blow T2 2A 250V Max electrical power consump tion 104 W Standby electrical power con sumption 2 W Level of protection IPX4D ...

Страница 48: ...connection value 16 Gas family check 14 H Handing over to the operator 21 High efficiency pump 19 High efficiency pump output 19 I Identification plate 6 If you smell gas 3 Inspection work 24 37 Installation site 4 Installer level 13 Installer level calling up 13 Intended use 3 L Leak detection spray 5 M Mains connection 12 Maintenance work 24 37 Minimum clearance 8 O Operating concept 13 P Power ...

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Страница 52: ...re DE56 1JT Telephone 0330 100 3461 info vaillant co uk www vaillant co uk These instructions or parts thereof are protected by copyright and may be reproduced or distributed only with the manufacturer s written consent We reserve the right to make technical changes 0020230533_01 ...

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