Vaillant ecoTEC plus Installation And Maintenance Instructions Manual
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Table of Contents
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Summary of Contents for Vaillant ecoTEC plus
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Page 1: Ecotec Plus
Installation and maintenance instructions For the competent person Installation and maintenance instructions ecoTEC plus VU, VUW GB, IE Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +49 21 91 18‑0 Fax +49 21 91 18‑28 10 info@vaillant.de www.vaillant.de... -
Page 2: Table Of Contents
Switching the product on and off ......20 Overview of diagnostics codes ......41 Running the installation assistants ...... 20 Status codes – Overview ........45 Restarting the installation assistants ....21 Overview of fault codes ........47 Installation and maintenance instructions ecoTEC plus 0020209591_01... - Page 3 ............63 Text from BS 5440-1 on fan-supported flue gas pipes ............64 Opening of the flue pipe below eaves and balconies ............64 Technical data............ 64 Index ................... 70 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 4: Safety
Liquid gas is accumulating at floor level. If the tions. product is installed below ground level, liquid gas may accumulate at floor level if there Any other use that is not specified in these instructions, or use beyond that specified in Installation and maintenance instructions ecoTEC plus 0020209591_01... - Page 5 ▶ Check that there is no voltage. 1.3.11 Risk of being burned or scalded by hot components ▶ Only carry out work on these components once they have cooled down. 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 6: Related Documents
Leak detection sprays and liquids block the to the HSE web site for full advice and filter of the mass flow sensor on the Venturi, manual handling assessment charts and thus destroy the mass flow sensor. (MAC) tool. Installation and maintenance instructions ecoTEC plus 0020209591_01... - Page 7 Part rent version of the Clean Air Act. 1 and 2. – BS 7593 Code of practice for treatment of water in domestic hot water central heating systems. 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 8: Related Documents
1 Safety Related documents – I.S. 813 Domestic Gas Installations – I.S. 820 Non Domestic Gas Installations – Building Control Act 2007 – ETCI Regulations for installing electrical systems Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 9: Notes On The Documentation
47-044-60 ecoTEC plus Benchmark Vaillant is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and com- missioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, ef- ficiency and performance. -
Page 10: Product Description
Information on the Meaning identification plate → "CE label" section Read the instructions. VU… Vaillant gas-fired wall-hung boiler for heating VUW… Vaillant gas-fired wall-hung boiler for heating and hot water generation Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 11: Serial Number
Num- Description The declaration of conformity can be viewed at the manufac- turer's site. Heat generator Installation kit containing the following: - Product retainer 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 12: Transporting The Product
Flue pipe connection Hot water connection Condensate discharge (15 × 1.5 diameter) connection, 19 mm Gas connection diameter (15 × 1.5 diameter) Condensate trap Cold water connection (15 × 1.5 diameter) Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 13: Minimum Clearances
Consult the installation template that is supplied to find the dimension A. Wall-mounting the product Installation depth, dimension B 612 (VU GB 126/5‑5 A) ecoTEC plus 338 mm 615 (VU GB 156/5‑5 A) ecoTEC plus 338 mm 618 (VU GB 186/5‑5 A) ecoTEC plus 338 mm 624 (VU GB 246/5‑5 A) ecoTEC plus... -
Page 14: Removing The Front Casing
Removing both side sections may cause service valves. mechanical distortion in the product, which may cause damage to the piping, for ex- ample, and potentially result in leaks. Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 15: Installation Requirements
Make the water connections as shown in accordance with the relevant standards. Ensure correct water pressure and flow requirements and that any expansion can be accommodated with the cold supply pipe work. 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 16: Connecting The Domestic Hot Water Cylinder
Further information can be obtained from BS 6798 Specification for installation of gas–fired boilers of rated input not exceeding 70 kW net. ▶ Leave an installation space of at least 180 mm beneath the condensate trap. Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 17: Installing The Discharge Pipe On The Expansion Relief Valve
Instead of grease, use only water or com- Remove the connection piece for the air/flue pipe. mercially available soft soap to aid install- (→ Page 17) ation. Install the flue pipe using the installation manual. 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 18: Electrical Installation
Do not connect any mains voltage to the Close the electronics box. eBUS terminals (+/-). Make sure that access to the mains connection is al- ways available and is not covered or blocked. Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 19: Operation
Connect the switched live supply with the terminal marked RT at X1 (beside the LNPE connections) then remove the link at X100 (do NOT connect 230 volt to any other terminal than the RT connection). 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 20: Calling Up The Installer Level
Unlike in the Check programs menu, to purge the sys- ◁ tem, start up the check programme P.00 by pressing The basic display appears on the display. If you need to change the circuit that is being purged, press Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 21: Restarting The Installation Assistants
See the table of See the table of fault fault codes in the codes in the appendix appendix Note It is not possible to perform CO₂ measure- ments during the gas family check. 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 22: Using Check Programmes
Additives for cleaning measures (subsequent fit a magnet filter. ▶ flushing required) Check the pH value of the removed water at 25 °C. – Fernox F3 Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 23: Preventing Low Water Pressure
Check the pressure in the heating system and top up ▶ Purge all other radiators until the entire heating system with water if necessary. has been filled with water. 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 24: Purging The Heating Installation
Conditions: The product design is not compatible with the local gas group Make sure that the filling pressure of the heating install- Only Vaillant Service Solutions may perform a gas conver- ation does not fall below the minimum filling pressure. - Page 25 2,10 1,80 inlet working pressure at the reference test point com- 3,41 3,58 3,07 2,52 2,65 2,27 plies with the requirements. 3,78 3,97 3,40 2,78 2,92 2,50 4,15 4,36 3,73 3,05 3,20 2,75 0020209591_01 ecoTEC plus Installation and maintenance instructions...
- Page 26 Measure the CO₂ and CO/CO₂ content at the flue gas ▶ analysis point. If necessary, repeat the setting process. ▶ Compare the measured value with the corresponding Press (Cancel) once the adjustments have been value in the table. made. Installation and maintenance instructions ecoTEC plus 0020209591_01...
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Page 27: Checking Function And Leak-Tightness
Shut off the boiler, open the drain valve and all purge valves on the radiators and allow the water to flow out of the heating system and the boiler quickly and fully. Close the drain valve. 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 28: Setting The Maintenance Interval
1000 1200 1400 (dependent upon the system Flow rate [ l/hr ] type) 1 ‑ 2 1050 h 5.0 kW 2 ‑ 3 1150 h Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 29: Setting The Bypass Valve
▶ Complete and sign off the Benchmark commissioning ▶ Remove the front casing. (→ Page 14) check list. ▶ Complete and sign off the guarantee documentation. 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 30: Troubleshooting
Note as part of the declaration of conformity. If you do not use cer- tified Vaillant original spare parts for maintenance or repair If no fault message is present, the product will work, this voids the conformity of the product. We therefore automatically switch back to normal operating strongly recommend that you fit Vaillant genuine spare parts. - Page 31 10. Remove the Venturi (3), including the gas connection tainer. pipe (1), from the fan by turning the bayonet fitting on the Venturi anti-clockwise as far as it goes and remov- ing it straight from the fan. 0020209591_01 ecoTEC plus Installation and maintenance instructions...
- Page 32 Venturi. ▶ Do not use lubricant when installing the gas restrictor. Ensure that you use the correct gas restrictor (colour coding and position of pins on the underside of the gas Installation and maintenance instructions ecoTEC plus 0020209591_01...
- Page 33 Drain the product. (→ Page 37) Undo the screwed connection (4). Remove both screws (1) on the support plate (2). Remove the support plate (2). Pull out the expansion vessel (3) towards the front. 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 34: Completing Repair Work
The integrity of the flue gas installation and flue seals is in accordance with the relevant flue installation instruc- Set the correct value for the relevant product type in ac- tions enclosed. cordance with the table below and confirm by pressing Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 35: Function Menu
The compact thermal module consists of five main components: – Speed-regulated fan, – Gas valve including support plate, – Venturi including mass flow sensor and gas connection pipe, – Burner flange, – Premix burner. 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 36: Cleaning The Heat Exchanger
(to a maximum of 5% Close the cold water stop valve. acid). Allow the vinegar to act on the heat exchanger for 20 minutes. Drain the product on the hot water side. Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 37: Installing The Compact Thermal Module
Check that the sealing ring in the air intake pipe is posi- tioned correctly in the seal seat. Reconnect the air intake pipe to the intake nozzle. Secure the air intake pipe with the retaining screw. 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 38: 12 Recycling And Disposal
Observe all relevant regulations. 13 Customer service To ensure regular servicing, it is strongly recommended that arrangements are made for a Maintenance Agreement. Please contact Vaillant Service Solutions for further details. Vaillant Service Solutions: 0330 100 3461 Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 39: Appendix
DHW temperature Product with hot water generation or connected domestic hot water cylinder – – – Comfort mode On, Off ¹Fault lists are only displayed, and can only be deleted, if faults have occurred. 0020209591_01 ecoTEC plus Installation and maintenance instructions... - Page 40 Not active Active ℃ – Flow temp. setpoint ℃ – DHW temperature Product with hot water generation ¹Fault lists are only displayed, and can only be deleted, if faults have occurred. Installation and maintenance instructions ecoTEC plus 0020209591_01...
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Page 41: B Overview Of Diagnostics Codes
In °C, max. of the value set in D.071, limited by an eBUS Not ad- return target value) controller if connected justable 35 … 65 ℃ D.006 Hot water temperature target value Not ad- (only products with integrated hot justable water generation) 0020209591_01 ecoTEC plus Installation and maintenance instructions... - Page 42 Not ad- impeller or APC) justable D.023 Summer/winter mode (heating off/on) Heating on, heating off (summer mode) Not ad- justable D.025 Hot water generation enabled by On, Off Not ad- eBUS controller justable Installation and maintenance instructions ecoTEC plus 0020209591_01...
- Page 43 D.050 Offset for minimum speed In rpm, setting range: 0 to 3000 Nominal value set in factory D.051 Offset for maximum speed In rpm, setting range: -990 to 0 Nominal value set in factory 0020209591_01 ecoTEC plus Installation and maintenance instructions...
- Page 44 D.083 Number of burner start-ups in hot Number of burner start-ups Not ad- water mode justable D.084 Maintenance indicator: Number of Adjustment range: 0 to 3000 hrs and "---" for deactivated „---” hours until the next maintenance Installation and maintenance instructions ecoTEC plus 0020209591_01...
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Page 45: C Status Codes - Overview
Heating mode: Pump overrun S.08 Heating mode: Remaining anti-cycling time Hot water handling mode (products with integrated hot water generation) S.10 Hot water requirement via flow sensor S.11 DHW mode: Fan start-up S.13 DHW mode: Ignition 0020209591_01 ecoTEC plus Installation and maintenance instructions... - Page 46 Check combustion. S.63 Gas family check unsuccessful: Combustion quality outside permissible range (see F.93). Check combustion. S.76 System pressure too low. Top up water. S.96 Return sensor test running, heating demands are blocked. Installation and maintenance instructions ecoTEC plus 0020209591_01...
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Page 47: D Overview Of Fault Codes
Hall sensor defective, electronics defective F.42 Coding resistance fault (possible in combin- Short circuit/interruption in output range coding resistance (in cable ation with F.70) harness at heat exchanger) or gas group resistor (on PCB) 0020209591_01 ecoTEC plus Installation and maintenance instructions... - Page 48 F.73 Water pressure sensor signal in the wrong Interruption/short circuit of water pressure sensor, interruption/short range (too low) circuit to GND in supply line to water pressure sensor or water pressure sensor defective Installation and maintenance instructions ecoTEC plus 0020209591_01...
- Page 49 LED on: Communication OK actoSTOR LED flashing: Communication not OK module LED off: No power supply Commu- No communication with the PCB Communication fault between display and PCB in the electronics box nication fault 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 50: E Connection Diagrams
Appendix Connection diagrams Connection diagram, product for heating mode only, 12 - 35 kW +24V Hallsignal Masse X100 X40 X51 X100 230V~ X101 Main PCB Operator control panel PCB Installation and maintenance instructions ecoTEC plus 0020209591_01... - Page 51 Power coding resistor Gas group coding resistor Return temperature sensor Auxiliary relay (select via D.026) Flow temperature sensor Internal pump Ignition electrode Contact thermostat/burner off Depending on product type 24 V DC room thermostat 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 52: Connection Diagram, Product For Heating Mode Only, ≥ 37 Kw
Connection diagram, product for heating mode only, ≥ 37 kW +24V Hallsignal Masse X100 X40 X51 X100 230V~ X101 Main PCB Mass flow sensor Operator control panel PCB Outside temperature sensor, flow temperature sensor (optional, external), DCF receiver Gas valve Installation and maintenance instructions ecoTEC plus 0020209591_01... - Page 53 Flow temperature sensor Gas group coding resistor Auxiliary relay (select via D.026) Contact thermostat/burner off Internal pump 24 V DC room thermostat Ignition electrode Bus connection (digital room thermostat/controller) Depending on product type Diverter valve 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 54: Connection Diagram, Product With Integrated Hot Water Generation, 12 - 35 Kw
Connection diagram, product with integrated hot water generation, 12 - 35 kW +24V Hallsignal Masse X100 X40 X51 X100 230V~ X101 Main PCB Mass flow sensor Operator control panel PCB Outside temperature sensor, flow temperature sensor (optional, external), DCF receiver Gas valve Installation and maintenance instructions ecoTEC plus 0020209591_01... - Page 55 Hot water sensor Gas group coding resistor Contact thermostat/burner off Auxiliary relay (select via D.026) 24 V DC room thermostat Internal pump Bus connection (digital room thermostat/controller) Ignition electrode Diverter valve Depending on product type 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 56: Connection Diagram, Product With Integrated Hot Water Generation, ≥ 37 Kw
Connection diagram, product with integrated hot water generation, ≥ 37 kW +24V Hallsignal Masse X100 X40 X51 X100 230V~ X101 Main PCB Mass flow sensor Operator control panel PCB Outside temperature sensor, flow temperature sensor (optional, external), DCF receiver Gas valve Installation and maintenance instructions ecoTEC plus 0020209591_01... -
Page 57: Inspection And Maintenance Work - Overview
P.00. Perform a test operation of the product and heating installation, including hot water generation, and purge the system once more if necessary. 0020209591_01 ecoTEC plus Installation and maintenance instructions... - Page 58 Check the CO₂ content (the air ratio) of the product again. Check the product for gas, flue gas, hot water and condensate leaks, and repair if necessary. Record the inspection/maintenance work carried out. Installation and maintenance instructions ecoTEC plus 0020209591_01...
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Page 59: G Commissioning Checklist
Appendix Commissioning Checklist Benchmark Commissioning and Servicing Section It is a requirement that the boiler is installed and commissioned to the completed in full. www.centralheating.co.uk © Heating and Hotwater Industry Council (HHIC) 0020209591_01 ecoTEC plus Installation and maintenance instructions... - Page 60 Optimum start control Fitted Fitted Fitted Fitted ALL SYSTEMS CENTRAL HEATING MODE mbar mbar COMBINATION BOILERS ONLY DOMESTIC HOT WATER MODE mbar OR mbar Temperature CONDENSING BOILERS ONLY ALL INSTALLATIONS Ratio ² Ratio ² Installation and maintenance instructions ecoTEC plus 0020209591_01...
- Page 61 SERVICE 06 ² % ² % ² % ² % SERVICE 07 SERVICE 08 ² % ² % ² % ² % SERVICE 09 SERVICE 10 ² % ² % ² % ² % 0020209591_01 ecoTEC plus Installation and maintenance instructions...
- Page 62 Ensure test points are capped, boiler case is correctly replaced and all other commissioning procedures are completed. Complete Benchmark Checklist, recording CO and combustion ratio readings as required. Installation and maintenance instructions ecoTEC plus 0020209591_01...
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Page 63: H Opening Of The Flue Pipe
300 mm Horizontal from adjacent windows on pitched or flat roofs 600 mm Above adjacent windows on pitched or flat roofs 600 mm Below adjacent windows on pitched or flat roofs 2000 mm 0020209591_01 ecoTEC plus Installation and maintenance instructions... -
Page 64: Text From Bs 5440-1 On Fan-Supported Flue Gas Pipes
(37.0 mbar) (37.0 mbar) Gas flow rate at 15 °C 1.3 m³/h 1.7 m³/h 2.0 m³/h 2.6 m³/h 3.7 m³/h 4.1 m³/h and 1013 mbar (based on hot water generation, if applicable), G20 Installation and maintenance instructions ecoTEC plus 0020209591_01... - Page 65 2.0 kg/h 2.5 kg/h 2.8 kg/h 3.1 kg/h and 1013 mbar (based on hot water generation, if applicable), G31 Min. flue gas mass rate 1.80 g/s 2.47 g/s 2.78 g/s 3.05 g/s (G20) 0020209591_01 ecoTEC plus Installation and maintenance instructions...
- Page 66 28.9 kW heating side Minimum heat input 4.0 kW 5.5 kW 6.2 kW 6.8 kW Heating adjustment range 4 … 19 kW 5 … 24 kW 6 … 30 kW 6 … 29 kW Installation and maintenance instructions ecoTEC plus 0020209591_01...
- Page 67 Remaining feed head of 0.025 MPa 0.025 MPa 0.025 MPa 0.025 MPa 0.025 MPa 0.025 MPa pump (at nominal circula- (0.250 bar) (0.250 bar) (0.250 bar) (0.250 bar) (0.250 bar) (0.250 bar) tion water volume) 0020209591_01 ecoTEC plus Installation and maintenance instructions...
- Page 68 Level of protection IP X4 D IP X4 D IP X4 D IP X4 D IP X4 D IP X4 D Test symbol/registration CE‑ CE‑ CE‑ CE‑ CE‑ CE‑ 0085CM0320 0085CM0320 0085CM0320 0085CM0320 0085CM0320 0085CM0320 Installation and maintenance instructions ecoTEC plus 0020209591_01...
- Page 69 < 2 W < 2 W < 3 W consumption Level of protection IP X4 D IP X4 D IP X4 D IP X4 D Test symbol/registration CE‑ CE‑ CE‑ CE‑ 0085CM0320 0085CM0320 0085CM0320 0085CM0320 0020209591_01 ecoTEC plus Installation and maintenance instructions...
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Page 70: Index
Decommissioning, temporarily ..........37 Diagnostics codes, calling up ..........27 Mains connection ..............18 Discharge pipe, expansion relief valve........ 17 Maintenance interval, setting..........28 Disposal, packaging ............38 Maintenance work, carrying out .......... 34 Installation and maintenance instructions ecoTEC plus 0020209591_01... - Page 71 Status codes..............20, 45 Supply of combustion air ............5 Switching off ................ 20 Switching off, product ............37 Switching on ................ 20 Target feed temperature............21 Telephone number, competent person ....... 21 0020209591_01 ecoTEC plus Installation and maintenance instructions...
- Page 72 Vaillant Ltd. Nottingham Road Belper Derbyshire DE56 1JT Telephone 0330 100 3461 Telephone (renewables) 0207 022 0928 Vaillant Service Solutions 0330 100 3461 Spares Technical Enquiries 01773 596615 info@vaillant.co.uk technicalspares@groupservice.co.uk www.vaillant.co.uk © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with...
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