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Table of Contents
Related Manuals for Vaillant ecoTEC pro VUW 6/5-3 Series
Summary of Contents for Vaillant ecoTEC pro VUW 6/5-3 Series
- Page 1 ecoTEC pro VUW ..6/5-3 en Installation and maintenance instructions...
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Page 2: Table Of Contents
Installation and maintenance Filling the condensate trap ........28 Switching the product on and off ......28 instructions Using check programmes ........28 Contents Preventing low water pressure ......28 Flushing the heating installation for the first time ("cold") ............28 Safety .............. - Page 3 Overview of diagnostics codes ......41 Status codes – Overview ........45 Overview of fault codes ........46 Check programmes – Overview ....... 48 Wiring diagrams..........49 Product connection diagram with integrated hot water generation ..........49 Commissioning Checklist......... 50 Commissioning Flow Chart ......
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Page 4: Safety
Safety Qualification The person carrying out the work described Intended use here must have completed professional train- The product is intended as a heat generator ing. The competent person must demon- for sealed heating installations and for do- strably have all of the knowledge, skills and mestic hot water generation. - Page 5 ▶ Do not use any electrical switches, mains 1.3.3 Electricity plugs, doorbells, telephones or other com- The power supply terminals L and N remain munication systems in the building. live. ▶ Close the emergency control valve or the To prevent electric shocks, proceed as fol- main isolator.
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Page 6: Regulations (Directives, Laws, Standards)
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.co.uk/standards Installation and maintenance instructions ecoTEC pro 0020244995_04... -
Page 7: Guarantee And Customer Service
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, commissioned and serviced in accordance with the manufacturer’s instructions by a competent person approved at the time by the Health and... -
Page 8: Technical Data
Technical data Technical data – General VUW 246/5- VUW 286/5- VUW 286/5- 3 (H-GB) 3 (H-GB) 3 (P-GB) ecoTEC pro ecoTEC pro ecoTEC pro Designated country (des- GB (Great GB (Great GB (Great ignation in accordance Britain), IE Britain), IE Britain), IE with ISO 3166) (Ireland) - Page 9 Technical data – G20 power/loading G20 VUW 246/5- VUW 286/5- 3 (H-GB) 3 (H-GB) ecoTEC pro ecoTEC pro Nominal heat output 5.9 to 24.8 kW 5.9 to 25.9 kW range P at 50/30 °C Nominal heat output 5.2 to 23.0 kW 5.2 to 24.0 kW range P at 80/60 °C Maximum heat output...
- Page 10 Technical data – Heating VUW 246/5- VUW 286/5- VUW 286/5- 3 (H-GB) 3 (H-GB) 3 (P-GB) ecoTEC pro ecoTEC pro ecoTEC pro 85 ℃ 85 ℃ 85 ℃ Maximum flow temperat- 30 to 80 ℃ 30 to 80 ℃ 30 to 80 ℃ Max.
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Page 11: Notes On The Documentation
Notes on the documentation Hot Water Association Vaillant is a full member of the Hot Water Association and ▶ Always observe all operating instructions enclosed with promotes the scheme in association with its cylinder range. the installation components. Details are available on the web site www.vaillant.co.uk ▶... -
Page 12: Serial Number
If the boiler does not resume normal operation press the reset button. If the boiler does not resume normal operation after this call your Installation/Servicing company or Vaillant service. 5.7.2 Overheating Safety The boiler software is designed to recognise the potential for an overheat lockout and will shutdown before this happens. -
Page 13: Set-Up
Set-up Dimensions Checking the scope of delivery ▶ Check that the scope of delivery is complete and intact. 6.1.1 Scope of delivery Num- Designation Heat generator Installation set containing the following: - Unit mounting bracket - Expansion relief valve connection pipe - Domestic hot water connection pipe - Service valve - Bag with small parts... -
Page 14: Installation Site
Air/flue pipe Consult the installation template that is supplied to find the dimension A. 6.6.1 Regulation Installation site Different flue outlet configurations can be carried out. – This boiler is not suitable for outdoor installation. This boiler Consult the installation manual for air/flue gas systems may be installed in any room. - Page 15 6.6.2 Position of the air/flue terminal 6.6.2.1 Positioning the terminal of a fan-supported flue system Dimen- Installation site sions Adjacent to a boundary. 300 mm The dimension below eaves, balconies and car ports can be reduced to this value, as long as the flue terminal is 25 mm extended to clear any overhang.
- Page 16 Dimen- Installation site sions Below eaves. 200 mm Below gutters, pipe and drains. 75 mm The dimension below eaves, balconies and car ports can be reduced to this value, as long as the flue terminal is 25 mm extended to clear any overhang. External flue joints must be sealed with suitable silicon sealant. Above adjacent ground or balcony.
- Page 17 6.6.3.3 Vertical Concentric Flue ⌀ 60/100 mm or 6.6.3 Flue Configuration Description ⌀ 80/125 mm (C33 type installation) 6.6.3.1 Horizontal Concentric Flue ⌀ 60/100 mm or ⌀ 80/125 mm (C13 type installation) Gasket (fitted) Consult the separate installation manual for air/flue gas sys- Note tems supplied with your appliance for all possibilities and as- If the terminal is at less than 1.80 m from the...
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Page 18: Using The Installation Template
Removing/installing the front casing Boiler Final storey Inspection hatch Ground floor 6.9.1 Removing the front casing Note The flue connecting from the appliance to the flue system must be supplied from the manufacturer of the boiler. C43 flue systems must not be a 'pressurised sys- tem' but act under natural draught principles. -
Page 19: Removing/Installing The Side Section
6.10 Removing/installing the side section 6.10.1 Removing the side section Caution. Risk of material damage caused by mech- anical deformation. Removing both side sections may cause mechanical distortion in the product, which may cause damage to the piping, for ex- ample, and potentially result in leaks. -
Page 20: Installation
Installation 7.1.5 Descaling the water Scale deposition increases as the water temperature in- Installation requirements creases. ▶ 7.1.1 Information on the gas group Descale the water as required. In the as-supplied condition, the product is preset for opera- Installing the gas connection tion with the gas group indicated on the data plate. -
Page 21: Connecting The Heating Flow And Heating Return
Connecting the condensate discharge pipe Ensure correct water pressure and flow requirements and that any expansion can be accommodated with the Danger! cold supply pipe work. Risk of death from escaping flue gases! Connecting the heating flow and heating The condensate drain pipework for the si- return phon must not be connected tightly to waste- water piping because, otherwise, the internal... - Page 22 ▶ 7.7.1.4 Internal termination into combined sink Leave an installation space of at least 180 mm beneath the condensate trap. waste 7.7.1 Condensate discharge systems It is not necessary to provide extra traps in the discharge pipe as there is already a trap inside the boiler. Fitting an extra trap may cause the boiler siphon to work incorrectly.
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Page 23: Flue Installation
Flue installation Open end of pipe direct into gulley below ground level but above water level 7.8.1 Installing and connecting the air/flue pipe Susceptible to siphonage, must terminate in a gulley You can find out which air/flue pipes may be used by consulting the enclosed set-up instructions for the 7.7.1.7 External termination into rain water down air/flue system. -
Page 24: Electrical Installation
Electrical installation The electrical installation must only be carried out by a quali- fied electrician. 30 mm ≤ Danger! Strip the flexible line as shown in the figure. In doing so, ensure that the insulation on the individual conductors Risk of death from electric shock! is not damaged. - Page 25 7.9.4 Installing the product in a wet room 7.9.6 Connecting additional components via VR 40 ("2 in 7" multi-functional module) Danger! Install the components in accordance with the respect- Risk of death from electric shock! ive instructions. If you install the product in a room with high Condition: Components connected to relay 1 levels of moisture, e.g.
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Page 26: Operation
Operation Live Monitor (status codes) Menu → Live monitor Operating concept Status codes in the display provide information on the pro- The operating concept and the display and setting facilities duct's current operating mode. of the operator level are described in the operating instruc- Status codes –... -
Page 27: Start-Up
Start-up Total Water hardness at specific system volume heating > 20 l/kW output ≤ 20 l/kW Carrying out the initial start-up > 50 l/kW ≤ 50 l/kW Initial start-up must be carried out by a customer service mol/ mol/ mol/ technician or an authorised competent person using the CaCO₃... -
Page 28: Filling The Condensate Trap
Filling the condensate trap Flushing the heating installation for the first time ("cold") Note The complete heating system must be flushed at least twice: Once with cold water and once with hot water in accordance with the following instructions. Check whether all thermostatic radiator valves and both service valves on the product are open. -
Page 29: Purging The Heating Installation
Condition: The product design is not compatible with the local gas group rates have been corrected. Only Vaillant Service may perform a gas conversion. Condition: Gas flow rate in the permissible range If a gas conversion to liquefied petroleum gas has been car- ▶... - Page 30 ▶ 9.11.4 Checking the gas flow pressure Do not make any adjustments to the product. Ensure that the gas inlet working pressure can be ▶ Do not start up the product. obtained with all other gas appliances in the property working.
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Page 31: Thoroughly Flushing The Heating Installation ("Hot")
Condition: The CO₂ content must be adjusted Note The actual reading on the digital pressure gauge should ideally be 0,05 MPa (0,5 bar) plus an additional pressure corresponding to the highest point of the system above the base of the boiler – 10 m head equals an ad- ditional 1 bar reading on the pressure gauge. -
Page 32: Setting The Maintenance Interval
10.2.1 Setting the burner anti-cycling time Guideline value for burner operating hours until the Navigate to diagnostics code D.002 in the installer level Number next inspection/maintenance Heat de- and confirm by pressing of per- work is due for an average mand Set the burner anti-cycling time and confirm by pressing sons... -
Page 33: 11 Handing Over To The End User
▶ Inform the end user that they must not store or use explo- sive or highly flammable substances (such as petrol, pa- per or paint) in the installation room of the product. ▶ Complete and sign off the Benchmark commissioning check list. -
Page 34: Inspection And Maintenance
12 Inspection and maintenance 12.5 Removing the compact thermal module Note 12.1 Complete Service Interval Record section The compact thermal module consists of four ▶ After servicing, complete the relevant Service Interval main components: Record section of the Benchmark Checklist located on –... -
Page 35: Cleaning The Heat Exchanger
12.7 Checking the burner Check the surface of the burner (1) for damage. If you Remove the ignition line plug (5) and the earth wire plug see any damage, replace the burner. (6) from the ignition electrode. Fit a new burner flange seal (3). Remove the plug (3) from the fan motor. -
Page 36: 12.10 Installing The Compact Thermal Module
12.11 Draining the product Close the service valves of the product. Start the check programme P.06 (diverter valve mid- position). Open the drain valves. Make sure that the cap of the automatic air vent on the internal pump is open so that the product can be drained fully. -
Page 37: 12.16 Checking The Product For Leak-Tightness
12.16 Checking the product for leak-tightness 13.4 Resetting parameters to factory settings ▶ Check that the product is leak-tight. (→ Page 31) Navigate to diagnostics code D.096 in the installer level. Set the diagnostics code to 1, and confirm by pressing 13 Troubleshooting 13.5 Preparing the repair work... - Page 38 13.6.2 Replacing the fan or gas valve 15. Tighten the cap nut (2) on the gas valve and the cap nut (8) between the gas pipes. In the process, secure the gas pipe against twisting. Use new seals. 16. After you have completed this work, carry out a leak- tightness test (function check).
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Page 39: Completing Repair Work
▶ Observe all relevant regulations. Close the electronics box. ▶ For detailed information refer to www.vaillant.co.uk. 13.6.6 Replacing the PCB and the display Open the electronics box. (→ Page 24) Replace the PCB and display according to the assembly and installation instructions supplied. -
Page 40: Appendix
Appendix Inspection and maintenance work The table below lists the manufacturer requirements with respect to minimum inspection and maintenance intervals. If na- tional regulations and directives require shorter inspection and maintenance intervals, you should observe these instead of the intervals listed. Each time inspection and maintenance work is carried out, carry out the required preparatory and com- pletion work. -
Page 41: B Overview Of Diagnostics Codes
Maintenance work Interval Filling the heating installation at regular intervals Completing inspection and maintenance work Annually Perform the gas family check at regular intervals Visually check the ignition and burner behaviour Annually Check the CO content, CO₂ content and the CO/CO₂ ratio again Annually Checking leak-tightness Each time maintenance work is... - Page 42 Factory Own setting Code Parameter Values or explanations setting D.016 Controller 24 V DC: Heating mode Heating mode off/on Not ad- justable D.017 Control type Control type: 0 = Flow 0 = Flow, 1 = Return Return: Automatic detection function for heat output inactive.
- Page 43 0 = Relay with disable facility 0 = Relay with disable 1 = PWM with disable facility facility D.047 Current outside temperature (with Vaillant weather-compensated control) Not ad- justable Actual value in °C D.050 Offset min. speed In rpm, adjustment range: 0 to 3000...
- Page 44 Factory Own setting Code Parameter Values or explanations setting D.070 3-way valve operation 0 = Normal operating mode 0 = Normal operating 1 = Parallel operation (mid-position) mode 2 = Permanent heating position 40 to 80 ℃ 75 ℃ D.071 Max. heating target flow temp. D.072 Pump overrun after cylinder char- Adjustable from 0–10 minutes in increments of 1 minute 2 mins...
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Page 45: C Status Codes - Overview
Status codes – Overview Note Since the code table is used for various products, some codes may not be visible for the product in question. Statuscode Meaning S.00 Heating: No heat de- Heating has no heat demand. The burner is off. mand S.01 Heating mode: Fan start- The fan start-up for heating mode is activated. -
Page 46: D Overview Of Fault Codes
The self-test for the flow/return temperature sensor is activated. sensor self-test S.99 Vaillant self-test The Vaillant self-test is activated. Overview of fault codes Note Since the code table is used for various products, some codes may not be visible for the product in question. - Page 47 Message Possible cause Measure ▶ F.25 Safety switch-off: Flue flue gas temperature too high Check: Plug, safety cut-out plug, cable harness, cable to the temp. too high heating pump, internal air vent (function), flue gas route (block- age, adverse wind conditions, flue pipework too long), insuf- ficient water in heating circuit, heating pump, activate check programme P.0.
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Page 48: E Check Programmes - Overview
Message Possible cause Measure ▶ F.83 Fault: NTC temp. gradient Temperature difference Check: Flow/return temperature sensor (function, correct between flow and return thermal connection), sufficient water volume. temperature sensor is too small ▶ F.84 Fault: NTC temp. diff. im- Temperature difference is im- Check: Flow/return temperature sensor (correct thermal con- plausible plausible... -
Page 49: F Wiring Diagrams
Wiring diagrams Product connection diagram with integrated hot water generation +24V Hallsignal Masse X106 X40 X51 X106 230V~ Main PCB 24 V DC room thermostat Operator control panel PCB Bus connection (digital room thermostat/controller) Outside temperature sensor, flow temperature Diverter valve sensor (optional, external), DCF receiver Water pressure sensor Circulation pump remote control... -
Page 50: Commissioning Checklist
Commissioning Checklist Benchmark Commissioning & Warranty Validation Service Record It is a requirement that the boiler is installed and commissioned to the manufacturers’ instructions and the data fields on the commissioning checklist completed in full. To instigate the boiler warranty the boiler needs to be registered with the manufacturer within one month of the installation. - Page 51 GAS BOILER SYSTEM COMMISSIONING CHECKLIST & WARRANTY VALIDATION RECORD Address: Boiler make and model: Boiler serial number: Commissioned by (PRINT NAME): Gas Safe registration number: Company name: Telephone number: Company email: Company address: Commissioning date: Heating and hot water system complies with the appropriate Building Regulations? Time, temperature control and boiler interlock provided for central heating and hot water Boiler Plus requirements (tick the appropriate box(s)) Weather compensation...
- Page 52 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER SERVICE/INTERIM WORK ON BOILER Date:...
- Page 53 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER SERVICE/INTERIM WORK ON BOILER Date:...
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Page 54: H Commissioning Flow Chart
Commissioning Flow Chart PRIOR TO CO AND COMBUSTION RATIO CHECK NOTE The boiler manufacturer’s installation instructions should have been followed, gas type verified and gas THE AIR GAS RATIO VALVE IS FACTORY supply pressure/rate checked as required prior to commissioning. SET AND MUST NOT BE ADJUSTED As part of the installation process, especially where a flue has been fitted by persons other than the DURING COMMISSIONING UNLESS THIS... -
Page 55: Index
Index Filling ................... 28 Flue pipe equipment connection piece........ 23 Frost protection ..............12 80/125 mm diameter unit connection piece, installing ..23 Gas connection value............29 Air index setting..............30 Gas conversion ..............29 Air/flue pipe ................. 23 Gas Council Number ............11 Air/flue pipe, horizontal wall duct......... - Page 56 Replacing the burner ............37 Replacing, fan ..............38 Replacing, gas valve ............38 Replacing, heat exchanger..........38 Replacing, PCB and display..........39 Replacing, PCB or display........... 39 Safety devices ..............12 Scale ................... 20 Scale deposition ..............20 Scope of delivery..............13 Serial number ..............
- Page 60 Supplier Vaillant Ltd. Nottingham Road Belper Derbyshire DE56 1JT Telephone 0330 100 3461 info@vaillant.co.uk www.vaillant.co.uk 0020244995_04 Publisher/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.