Vaillant ecoFIT pure Installation And Maintenance Instructions Manual Download

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Appendix

0020230533_01 ecoFIT pure Installation and maintenance instructions

VU 306/6-3 (H-GB)

Maximum heat input

–

heating (Q max.)

30.6 kW

Minimum heat input

–

heat-

ing (Q min.)

7.2 kW

Maximum heat input

–

hot

water (Q max.)

35.7 kW

Minimum heat input

–

hot

water (Q min.)

7.2 kW

Technical data

–

General

VU 126/6-3 (H-GB)

VU 156/6-3 (H-GB)

VU 186/6-3 (H-GB)

VU 256/6-3 (H-GB)

Diameter of the gas pipe

1/2 inch

Diameter of the heating connec-
tions

3/4 inch

Expansion relief valve connector
(min.)

15 mm

Condensate drain pipework (min.)

21.5 mm

G20 gas supply pressure

2.0 kPa
(20.0 mbar)

Gas flow at P max.

–

hot water

(G20)

1.6 m

1.9 m

2.7 m

3.2 m

Gas flow at P max.

–

heating mode

(G20)

1.3 m

1.6 m

1.9 m

2.7 m

Gas flow at P min. (G20)

0.476 m

0.480 m

0.533 m

0.648 m

CE number (PIN)

CE-0063CP3646

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.

℃

Flue gas temperature (80 °C/60 °C)
at P min.

℃

Flue gas temperature (50 °C/30 °C)
at P max.

℃

Flue gas temperature (50 °C/30 °C)
at P min.

℃

Flue gas temperature in hot water
handling mode

℃

Flue gas temperature when over-
heating

105

℃

105

℃

105

℃

Released system types

C13, C33, C43, C53

Nominal efficiency at 80/60 °C

99.1 %

98.9 %

98.8 %

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

109.9 %

109.8 %

NOx class

Product dimensions, width

390 mm

Product dimensions, depth

280 mm

Product dimensions, height

700 mm

Net weight

31 kg

32 kg

Weight when filled with water

35 kg

36 kg

Summary of Contents for ecoFIT pure

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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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Page 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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