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Installation and maintenance instructions ecoFIT sustain 0020277262_02

VU 156/6-3 OV (H-GB)

VU 186/6-3 OV (H-GB)

VU 306/6-3 OV (H-GB)

Effective output range (P)
at 80/60 °C

4.5 to 15.2 kW

5.0 to 18.3 kW

7.1 to 30.5 kW

Domestic hot water heat
output (P)

4.4 to 18.0 kW

4.9 to 25.2 kW

7.0 to 35.0 kW

Maximum heat input

–

heating (Q max.)

15.3 kW

18.4 kW

30.6 kW

Minimum heat input

–

heat-

ing (Q min.)

4.5 kW

5.0 kW

7.1 kW

Maximum heat input

–

hot

water (Q max.)

18.4 kW

25.7 kW

35.7 kW

Minimum heat input

–

hot

water (Q min.)

4.5 kW

5.0 kW

7.1 kW

Technical data

–

Heating

VU 156/6-3 OV (H-GB)

VU 186/6-3 OV (H-GB)

VU 306/6-3 OV (H-GB)

Max. flow temperature ad-
justment range (default
setting: 75 °C)

10 to 80

℃

10 to 80

℃

10 to 80

℃

Maximum permissible
pressure

0.3 MPa
(3.0 bar)

Nominal water flow
(

T = 20 K)

655 l/h

788 l/h

1,313 l/h

Nominal water flow
(

T = 30 K)

436 l/h

525 l/h

876 l/h

Approximate value for the
condensate volume (pH
value between 3.5 and 4.0)
at 50/30 °C

1.53 l/h

1.84 l/h

3.06 l/h

Technical data

–

Electrics

VU 156/6-3 OV (H-GB)

VU 186/6-3 OV (H-GB)

VU 306/6-3 OV (H-GB)

Electrical connection

230 V / 50 Hz

Built-in fuse (slow-blow)

T2/2A, 250V

Max. electrical power con-
sumption

29 W

35 W

44 W

Standby electrical power
consumption

2 W

IP rating

IPX4D

Содержание 0010025274

Страница 1: ...en Installation and maintenance instructions ecoFIT sustain 415 430 0020277262_02 29 07 2020 ...

Страница 2: ... 26 9 1 Carrying out the initial start up 26 9 2 Checking and treating the heating water filling and supplementary water 26 9 3 Filling the condensate trap 27 9 4 Switching on the product 27 9 5 Flushing the heating installation for the first time cold 27 9 6 Filling the heating installation 27 9 7 Checking the gas setting 27 9 8 Thoroughly flushing the heating installation hot 29 9 9 Checking lea...

Страница 3: ...on Any 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 the work described here must have completed professional train ing The competent person must demon strably have all of the knowledge skills and capabilities that are required in order to carry ...

Страница 4: ...mercially 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 lows before working on the product Disconnect the product from the power supply by switching off all power supplies at all poles electrical partition with a con tact gap of at least 3 mm e g fuse o...

Страница 5: ...st 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 List of relevant standards for Great Britain and Ireland Observe the national regulations stand ards directives ordinances and laws You can find a list of relevant standards at https www vaillant c...

Страница 6: ...vaillant 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 Benchmark Scheme Benchmark places responsibilities on both manufacturers and installers The purpose is to ensure that customers are provided with the correct equipment for their needs that it is installed ...

Страница 7: ... mode at P max 8 3 g s 11 6 g s 16 1 g s Flue gas temperature 80 C 60 C at P max 55 60 86 Flue gas temperature 80 C 60 C at P min 55 55 56 Flue gas temperature 50 C 30 C at P max 48 51 60 Flue gas temperature 50 C 30 C at P min 32 34 37 Flue gas temperature in hot water handling mode 71 69 75 Flue gas temperature when over heating 105 105 104 Released system types C13 C33 C43 C53 C13 C33 C43 C53 C...

Страница 8: ...3 OV H GB VU 186 6 3 OV H GB VU 306 6 3 OV H GB Max flow temperature ad justment range default setting 75 C 10 to 80 10 to 80 10 to 80 Maximum permissible pressure 0 3 MPa 3 0 bar 0 3 MPa 3 0 bar 0 3 MPa 3 0 bar Nominal water flow ΔT 20 K 655 l h 788 l h 1 313 l h Nominal water flow ΔT 30 K 436 l h 525 l h 876 l h Approximate value for the condensate volume pH value between 3 5 and 4 0 at 50 30 C ...

Страница 9: ...ate keeps record of the country in which the product is to be installed Information on the data plate Meaning Barcode 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 to 16th digits product article number For quality control purposes 17th to 20th dig...

Страница 10: ...o restart the boiler press the reset button on the boiler interface If the boiler fails to resume normal operation and all external controls are calling for heat then call your Installation Servi cing company or Vaillant service 5 5 3 Frost protection The appliance has a built in frost protection device that pro tects the boiler from freezing With the gas and electric sup plies ON and irrespective...

Страница 11: ...signation 1 Heat generator 1 Unit mounting bracket 1 Flue adapter 1 Gas stopcock 1 Gas pipe 1 Condensate discharge hose 1 Mounting template 1 Enclosed documentation 6 2 Dimensions 112 183 5 71 375 78 33 5 602 220 150 32 5 100 133 5 280 1 2 3 4 5 6 1 Condensate discharge 2 Gas connection 3 Heating return 4 Heating flow 5 Connection on the back of the air flue pipe 6 Connection on the top of the air...

Страница 12: ...onsequence 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 6 5 Air flue pipe 6 5 1 Regulation Different flue outlet configurations can be carried out Consult the installation manual for air flue gas systems for more information about the other possibi...

Страница 13: ...learance 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 Diagonally to an opening door air vent or opening window 600 mm L 2 To an internal or external corner 200 mm M Below a Velux window Above or to either side of the Velux window 2 000 mm 600 mm N Fro...

Страница 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 metre intervals and at a change of direction use suitable brackets and fixings Installations in car ports are not recommended The flue cannot be lower than 1 metre from the top of a lightwell due to the ...

Страница 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 clearance from any part of the terminal and be central over the terminal The guard should be similar to that shown in the figure 6 5 3 3 Vertical Concentric Flue 60 100 mm or 80 125 mm C33 type install...

Страница 16: ...holes 6 7 Wall mounting the product Note If you are using the rear air flue connection in stall the air flue pipe before you wall mount the product 1 Check whether the wall has sufficient load bearing ca pacity to bear the operating weight of the product 2 Check if the supplied fixing material may be used for the wall 3 Check the load bearing capacity of the wall 4 Note the total weight of the pro...

Страница 17: ...0020277262_02 ecoFIT sustain Installation and maintenance instructions 17 C D A B E 6 9 2 Installing the side section Refit the components in the reverse order ...

Страница 18: ...a 110 mbar 7 2 Installing the heating pump Pressure loss in the product from the product 0 50 100 150 200 250 300 350 400 0 200 400 600 800 1000 1200 1400 1600 430 424 418 415 412 435 A B 1 2 A Flow rate l h B Pressure loss mbar 1 Pressure loss ecoFIT pure 412 418 2 Pressure loss ecoFIT pure 424 435 The flow rate must not fall below the value in the diagram Only use pumps that have an in rush curr...

Страница 19: ...9 and BS 7074 Part 1 Example For an initial design pressure of 0 7 bar the minimum total vessel volume required is 0 063 x Total System Volume Note A higher initial design pressure requires a larger volume expansion vessel In GB guidance on vessel sizing is also given in the cur rent issue of BS 5449 and BS 7074 Part 1 In IE refer to the current edition of I S 813 Domestic Gas Installations The ch...

Страница 20: ...tight Connect a condensate discharge pipe 21 5 mm not included in the scope of delivery to the drain hose 2 During installation remove 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 installation the condensate must be free flowing and not be possible for air b...

Страница 21: ... Hole depth 400 mm minimum Least preferred option must not terminate in rain water drain 7 8 1 6 Internal termination downstream of sink waste 100mm Ø32mm Ø22mm 3 m Open end of pipe direct into gulley below ground level but above water level Susceptible to siphonage must terminate in a gulley 7 8 1 7 External termination into rain water down pipe 3 m Ø22mm Ø 32mm NB only combined foul rainwater dr...

Страница 22: ...specified sequence 7 10 2 Cable route 2 1 1 230 V cable route 2 24 V cable or eBUS cable route 7 10 3 Carrying out the wiring Caution Risk of material damage caused by incor rect installation Mains voltage at incorrect terminals and plug terminals may destroy the electronics Do not connect any mains voltage to the eBUS terminals Only connect the power supply cable to the terminals marked for the p...

Страница 23: ...ontrol Power supply Single phase 230 V 50 Hz Fuse protection 3 A 7 Open the electronics box Page 22 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 L X1 230V RT 9 Carry out the wiring Page 22 10 Close the electronics box 11 Make sure that access to the power supply is always available and is not covered or blocked 7 10 ...

Страница 24: ...rve the instructions for the set Connect the control to the main plug X1 Terminal assignment L Phase N neutral con ductor earth Draw the end user s attention to the fact that the follow ing features are present with this installation type The frost protection function is deactivated If the product is installed in a room where there is a risk of frost and it has not been protected by a room ther mo...

Страница 25: ...rview Page 40 8 5 Using check programmes Call up the installer level 1 x Display Meaning P 00 Purging check programme The internal pump is cyclically actuated The heating circuit and the hot water circuit are purged via the automatic air vent the cap of the automatic air vent must be released 1 x Start heating circuit purging 2 x Start domestic hot water circuit purging 3 x Restart heating circuit...

Страница 26: ...not 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 of the system exceeds three times the nominal volume of the heating installation or If the guideline values listed in the following table are not met or If the pH value of the heating water is less ...

Страница 27: ...the purging valves on the radiators so that the contaminated water can completely drain 4 Close the drain cocks 5 Refill the heating system with water 6 Close the filling valve and the cold water tap 9 6 Filling the heating installation Fill the heating installation with the maximum possible volume flow 9 7 Checking the gas setting Only a qualified competent person is authorised to imple ment the ...

Страница 28: ...th Natural gas H 1 3 to 2 3 kPa 13 0 to 23 0 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 Condition Gas flow pressure not in the permissible range Caution Risk of material damage and operating faults caused by incorrect gas connec tion pressure If the gas connec...

Страница 29: ...hermostatic valves on the radiators until they are fully open 3 Allow the product to operate for at least 15 minutes 4 Purge the heating installation 5 Call up the Live Monitor Menu Live Monitor Status codes Overview Page 40 If the product is working correctly the display shows S 04 10 Adapting the unit to the heating installation You can reset change the system parameters Overview of diagnostics ...

Страница 30: ...Installation and Use Regulations Section 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 end user how to handle the product In particular draw attention to the safety warnings that the end user must follow Inform the end user that they must have the...

Страница 31: ...at full load 9 0 1 0 vol 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 CO content needs adjustment 1 A B Remove the sticker Turn the screw 1 to set the CO content value with front casing removed To increase the CO content Turn anti clockwise To decr...

Страница 32: ...eaning the heat exchanger 1 Check the heat exchanger for damage and dirt 2 If required clean and replace the heat exchanger 3 Protect the open electronics box from spraying water 1 4 Clean the ribs of the heat exchanger 1 with water The water runs out via the condensate tray 12 8 Checking the burner 1 Check the surface of the burner for damage If you see any damage replace the burner 2 Install the...

Страница 33: ...ce Record section in the Benchmark Checklist located at the rear of this document 13 Troubleshooting 13 1 Eliminating faults If fault messages F xx appear eliminate the fault after referring to the table in the appendix or using the check programmes Page 25 Overview of fault codes Page 41 If several faults occur at the same time the display shows the corresponding fault messages for two seconds ea...

Страница 34: ...ir work use only the spare parts that are permitted for the product 13 5 Replacing defective components 13 5 1 Replacing the burner 1 Remove the gas air mixture unit Page 31 2 Remove the two burner seals 3 Remove the burner 4 Insert the new burner 5 Insert two new burner seals in the burner hood 6 Install the gas air mixture unit Page 33 13 5 2 Replacing the gas air mixture unit 1 Remove the gas a...

Страница 35: ...x Page 22 2 Pull the plug out of 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 plug 7 Close the electronics box 13 6 Checking the product for leak tightness Check that the product is leak tight Page 29 14 Decommissioning the product Switch off the product Disconnec...

Страница 36: ...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 general condition of the product and if required eliminate any faults that are found Annually 12 Carry out the combustion analysis Measure the CO content CO content and the CO CO ratio For products with ...

Страница 37: ...e d 07 Target temperature for the domestic hot water cylin der 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 Target heating flow tem perature that is set on the eBUS room thermostat Current value Not adjustable d 10 Status of the internal pump in the heating ci...

Страница 38: ...utomatic filling device 0 2 0 Manual 1 Semi automatic 2 Automatic 0 Adjustable d 33 Fan speed target value Current value rpm Fan speed Display value x 100 Not adjustable d 34 Value for the fan speed Current value rpm Fan speed Display value x 100 Not adjustable d 40 Heating flow temperature Current value Not adjustable d 41 Heating return temperat ure Current value Not adjustable d 43 Heat curve 0...

Страница 39: ...d 80 Running time in heating mode Current value h Not adjustable d 81 Running time in DHW mode Current value h Not adjustable d 82 Number of burner igni tions in heating mode Current value Number of ignitions Display value x 100 Not adjustable d 83 Number of burner igni tions in DHW mode Current value Number of ignitions Display value x 100 Not adjustable d 84 Maintenance in 0 3000 h Number of hou...

Страница 40: ...DHW mode Pump overrun S 28 Domestic hot water mode Temporary shutdown of the burner Other displays S 30 Room thermostat is blocking heating mode S 31 No heating demand Summer mode eBUS control waiting period S 32 Fan waiting time Fan speed outside of the tolerance values S 34 Frost protection active S 39 Underfloor heating contact open S 42 Flue non return flap closed S 46 Frost protection mode Co...

Страница 41: ...uct electronics defective F 29 Failure during operation Re ignition unsuccess ful Gas supply temporarily stopped flue gas recirculation condensate route blocked defective earthing of product ignition transformer has spark failure F 32 Fan fault Plug on fan not correctly plugged in multiple plug on PCB not correctly plugged in break in cable harness fan blocked Hall sensor defective electronics def...

Страница 42: ...re sensor is non existent or too small Insufficient water in product Flow or return temperature sensor not in correct position at pipe F 85 Fault Flow and return temperature sensors incorrectly installed The flow and or return temperature sensors have been installed on the same pipe incorrect pipe F 87 Ignition transformer not connected Ignition transformer plug not plugged in or has come loose mu...

Страница 43: ...06 X32 X90 X12 X35 X1 RT X21 L N L N 1 5 eBUS Burner off X106 M 4 3 2 1 N L 24V 230V 24V 230V 1 2 3 2 7 9 1 4 3 5 6 10 11 12 8 1 Main PCB 2 Interface PCB 3 Control system 4 Temperature sensor on the heating flow 5 Temperature sensor on the heating return 6 Fan 7 Gas valve assembly 8 Heating pump 9 Monitoring electrode 10 Room thermostat 11 Main power supply and connection for 230 V control 12 Igni...

Страница 44: ... X106 X32 X90 X12 X35 X1 RT X21 L N L N 1 5 eBUS Burner off X106 M 4 3 2 1 N L 24V 230V 24V 230V 1 2 3 2 7 9 1 4 3 5 6 10 11 12 8 1 Main PCB 2 Interface PCB 3 Control system 4 Temperature sensor on the heating flow 5 Temperature sensor on the heating return 6 Fan 7 Gas valve assembly 8 Heating pump 9 Monitoring electrode 10 Room thermostat 11 Main power supply and connection for 230 V control 12 I...

Страница 45: ...umer 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 manufacturers recommendations at least annually This must be carried out by a competent Gas Safe registered engineer The service details should be recorded on the Benchmark Service and Interim Boiler ...

Страница 46: ...ut 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 Yes COMBINATION BOILERS ONLY Is the installation in a hard water area above 200ppm Yes No Water scale reducer softener pre existing Fitted Not required Brand Product Yes No If yes DHW expansion ve...

Страница 47: ...ILER 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 and readings are correct yes Gas rate m3 h OR ft3 h delete as appropriate Yes No System inhibitor concentration has been checked and appropriate action taken in accordance with BS 7593 and boiler ...

Страница 48: ...ILER 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 and readings are correct yes Gas rate m3 h OR ft3 h delete as appropriate Yes No System inhibitor concentration has been checked and appropriate action taken in accordance with BS 7593 and boiler ...

Страница 49: ...t 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 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 gui...

Страница 50: ...28 Gas connection establishing 20 Gas Council Number 9 Gas flow rate 27 Gas group checking 19 Gas setting 27 Gas air mixture installing 33 Gas air mixture removing 31 Gas air mixture replacing 34 Guarantee and Customer Service 6 H Handing over to the end user 30 Heat exchanger cleaning 32 Heat exchanger replacing 34 Heating flow connecting 19 Heating mode checking 29 Heating pump connecting 23 Hea...

Страница 51: ......

Страница 52: ...blisher 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 and may be reproduced or distributed only with the manufacturer s written consent Subject to technical modifications 0020277262_02 ...

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