Vaillant ecoTEC plus 612 Instructions For Installation And Servicing
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Vaillant ecoTEC plus 612 Instructions For Installation And Servicing

Vaillant ecoTEC plus 612 Instructions For Installation And Servicing

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See also: Instructions for Use Manual , Installation and Maintenance Manual
For the installer
Instructions for installation and servicing
ecoTEC
Wall hung room sealed fan assisted condensing boiler
Supplied By www.heating spares.co Tel. 0161 620 6677
GB
ecoTEC plus 612
ecoTEC plus 615
ecoTEC plus 618
ecoTEC plus 624
ecoTEC plus 630
ecoTEC plus 637
ecoTEC plus 824
ecoTEC plus 831
ecoTEC plus 837
ecoTEC pro 28
ecoTEC pro 24

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Summary of Contents for Vaillant ecoTEC plus 612

  • Page 1 For the installer Instructions for installation and servicing ecoTEC Wall hung room sealed fan assisted condensing boiler ecoTEC plus 612 ecoTEC plus 615 ecoTEC plus 618 ecoTEC plus 624 ecoTEC plus 630 ecoTEC plus 637 ecoTEC plus 824 ecoTEC plus 831...

  • Page 2: Table Of Contents

    (ecoTEC combination boilers only) ... 21 Vaillant warranty ......37 Instructions for installation and servicing ecoTEC Supplied By www.heating spares.co Tel.
  • Page 3 Recycling and disposal ....52 Vaillant service ..... . . 52 Appendix EG declaration of conformity .

  • Page 4: Introduction

    1 Introduction Introduction Introduction Notes on the documentation Note The following information is intended to help you This boiler must be installed and serviced by a throughout the entire documentation. competent person in accordance with the Gas Further documents apply in combination with this instal- Safety (Installation and Use) Regulations 1998.

  • Page 5: Ce Marking

    (92/42/EEC) as condensing appliance. - The Gas Applaince (Safety) Regulations 1992 - The boiler (Efficiency) Regulations 1993 Vaillant Ltd. supports the Benchmark initiative. At the rear of this guide, you will find a Benchmark gas boiler commissioning checklist.

  • Page 6: Boiler Specifications

    2 Boiler specifications Boiler specifications Technical data ecoTEC plus ecoTEC pro Technical data Units CH heat output range 80 °C flow/60 °C return 6.7 – 19.0 8.7 – 24.0 12.0 – 28.0 6.7 – 19.0 9.0 – 24.0 60 °C flow/40 °C return 6.9 –...
  • Page 7 Boiler specifications 2 ecoTEC plus Technical data Units CH heat output range 80 °C flow/60 °C return 4.9 – 12.0 4.9 – 15.0 6.7 – 18.0 8.7 – 24.0 10.0 – 30.0 12.0 – 37.0 60 °C flow/40 °C return 5.1 –...

  • Page 8: Dimensions

    2 Boiler specifications Dimensions ecoTEC plus 630: ecoTEC plus 637, ecoTEC plus 837: Fig. 2.1 Dimensions in mm Legend: Heating return pipe Ø 22 mm 2 Cold water connection Ø 15 mm (combination boilers only) 3 Gas connection Ø 15 mm 4 Hot water connection Ø...

  • Page 9: Installation

    Boiler specifications 2 Installation Fig. 2.3 Function elements of system boilers Legend: Fig. 2.2 Function elements of combination boilers Expansion vessel 2 Air intake pipe Legend: 3 Burner module Expansion vessel 4 Ignition electrode 2 Air intake pipe 5 Fan 3 Burner module 7 Pump 4 Ignition electrode...

  • Page 10: General Requirements

    Part 1 Specification for installation of flues. This appliance should only be installed in conjunction Part 2 Specification for installation and maintenance with either a Vaillant flue system or an alternative of ventilation for gas appliances. approved system (details of flue approval categories can...
  • Page 11 General requirements 3 Fig. 3.1 Contents included with delivery of ecoTEC plus system Fig. 3.2 Contents included with delivery of ecoTEC plus combi- boilers nation boilers DO NOT remove the boiler from the polystyrene base at DO NOT remove the boiler from the polystyrene base at this stage.

  • Page 12: Installation Site

    3 General requirements Installation site The location chosen for the boiler must permit the provi- sion of a satisfactory flue termination. The location must also provide adequate space for servicing and air circu- lation around the boiler. The boiler may be installed in any room, although particular attention is drawn to the requirements of BS 7671 (IEE Regulations), the electrical provisions of the Building Standards (Scotland)

  • Page 13: Gas Supply

    Flue pipe Danger! Vaillant appliances are certified only for use with genuine Vaillant flue pipes. Only use genu- ine Vaillant flue pipes. Malfunctions can occur if Fig. 3.5 Art. No. 303 900 you use other accessories. These may result in damage and injury.

  • Page 14: Flue Termination

    3 General requirements Flue termination Note The following details refer to both flue systems. In addition, the terminal should not be nearer a. The terminal must be located where the combustible than 150 mm to an opening in the building fab- substances can escape freely at all times.

  • Page 15: Electrical Supply

    General requirements 3 Electrical supply 3.10.2 Filling and preparing heating system A 230 V, ~ 50 Hz single phase electricity supply fused to The system can be filled using the built in filling loop 3 Amp. must be provided in accordance with the latest (ecoTEC plus combination boilers only) or via a separate edition of BS 7671 (IEE Wiring Regulations) and any other filling point fitted at a convenient position on the heat-...

  • Page 16: Pump Specifications

    3 General requirements 4 Boiler installation sequence Vessel Volume [L] Initial system pressure (bar) Pressure relief valve setting (bar) Total water content of system litres 10.9 15.6 13.6 19.5 16.3 23.4 1000 1200 1400 1600 1800 19.1 27.3 Volumeflow [ l/h ] 21.8 31.2 Fig.
  • Page 17 Boiler installation sequence 4 safe lifting techniques are used – keep back straight – bility of flooring, lighting and other factors, and appro- bend using legs. Keep load as close to body as possible. priate measures taken. If 2 persons performing lift, ensure co-ordinated move- ments during lift.

  • Page 18: Required Minimum Distances/Assembly Clearances

    4 Boiler installation sequence front and sides of appliance, lift upwards, onto worktop if Required minimum distances/assembly clear- practicable. Ensure stable balance achieved and lift ances upwards to drop into place onto bracket. If 2 persons positioning onto bracket obtain firm grip at front and sides/base of boiler.

  • Page 19: Using Boiler Template

    Boiler installation sequence 4 Note Care should be taken not to scratch the white surface of the boiler casing. 4.2.3 Using boiler template • Fix the paper template to the wall ensure that the template is vertical. The template shows: –...

  • Page 20: Flue Exit

    4 Boiler installation sequence Flue exit Note • If using rear flue mark the position of the air/flue duct Lift the boiler from either side at the bottom and its circumference. edge Other flue options • Lower the boiler slowly onto the hanging bracket so Flue instructions for other flue systems such as vertical that the cross member at the rear of the boiler fully RSF flues, flues run to the side of the boiler and the use...

  • Page 21: Gas Connection

    Boiler installation sequence 4 Gas connection • Fit the union nut (6) and the compression olive (5) to the pre-formed tail provided with ecoTEC plus appli- Note ances (7). With the spacer frame (Art. No 308 650), the • Fully insert the service valve (4) onto the gas connec- pipes can be fitted vertically upwards behind tion pipe and the pre-formed tail into the service valve.

  • Page 22: Condensate Drain Pipe

    4 Boiler installation sequence 4.11 Condensate drain pipe Internal Internal Gulley Soakaway stackpipe discharge system Fig. 4.8 Installing the condensate drain pipe (picture shows ecoTEC plus combination boiler) The ecoTEC plus appliances are fitted with a siphonic trap (The filling height is 145 mm). The siphon collects Fig.

  • Page 23: Heating Connection

    Boiler installation sequence 4 b) connecting into the internal discharge branch (e.g. sink • Insert the seal (1) and fit the service valve (2) to the waste or washing machine) with an external termina- return connection of the appliance. tion, the condensate discharge pipe should have a •...

  • Page 24: Pressure Relief Valve

    4 Boiler installation sequence ecoTEC plus system boiler Caution! To ensure fumes do not escape through the syphon of the boiler the trap must be filled with water before the boiler is turned on. Therefore the discharge pipework should be installed so as not to interfere with the removal and refitting of the condensate trap, we recommend the out- let pressure release valve pipe supplied is not...

  • Page 25: Connection To The Main Supply

    Boiler installation sequence 4 Danger! • Feed the power supply flex into the appliance and the This appliance must be earthed. control panel through the cable clamps provided and tighten. Danger! Mains connection terminals L and N remain live even when the boiler on/off control is switched off.

  • Page 26: Electric Board Layout

    4 Boiler installation sequence 4.14.3 Electric board layout eBUS accessory connection Burner cable harness Accessory module connection Diagnosis via eBUS, vrnetDIALOG outer probe ext. flow or return probe Hydraulic cable harness Connection for external eBUS controller Caution: Do not connect Room thermostat 24 V: supply voltage! Connection 7, 8 and 9...
  • Page 27 Boiler installation sequence 4 return Ignition electrode flow X 20/5 red X 20/7 black X 20/8 blue X 20/7 black X 20/13 black Thermal fuse X 20/12 black Gas valve assembly Fan unit Plug coupling X 20/16 blue (earth) X 20/4 grey (PWM) X 20/3 black (Hall signal) X 20/18 red (24 VDC) X 20/17 red (24 VDC)
  • Page 28 4 Boiler installation sequence return Ignition electrode flow X 20/5 red X 20/7 black X 20/8 blue X 20/7 black X 20/13 black Thermal fuse X 20/12 black Fan unit Gas valve assembly Plug coupling X 20/16 blue (earth) X 20/4 grey (PWM) X 20/3 black (Hall signal) X 20/18 red (24 VDC) X 20/17 red (24 VDC)

  • Page 29: Controls

    3 and 4. Terminal 5 is an additional 4.15.4 Vaillant optional plug in timer accessories neutral connection for external neutrals such as from Refer to the instructions supplied with the optional the anticipator of a room thermostat.

  • Page 30: Frost Protection

    4 Boiler installation sequence 5 Commissioning Part I Commissioning Part I the room containing the room thermostat should not be fitted with a TRV). Preliminary electrical checks 4.17 Frost protection Check the electrical installation by carrying out short The boiler has an integral frost thermostat which is circuit, earth continuity and resistance to earth tests and designed for protection of the boiler.

  • Page 31: Checking The Filling Pressure Of The Heating

    Commissioning Part I 5 5.4.1 Checking the filling pressure of the heating system plus Fig. 5.2 Filling device ecoTEC plus combination boiler • Insert the double check valve (1) of the filling pipe at Fig. 5.1 Checking the filling pressure of the heating system the cold water shutoff valve and secure the double check valve with the spring clip (2).

  • Page 32: Filling The Heating System In Ecotec Pro Combination Boilers And Ecotec Plus System Boilers

    5 Commissioning Part I 5.4.3 Filling the heating system in ecoTEC pro com- • Connect a hose to the drain valve located at the low- bination boilers and ecoTEC plus system boil- est position of the heating system. • Open the 1/2” BSP drain taps and all vent valves on The ecoTEC pro combination boilers and the ecoTEC the heating elements and allow the water to flow out plus system boilers do not come with a filling device.

  • Page 33: Adjusting The Pumping Capacity

    Commissioning Part I 5 Adjusting the pumping capacity Checking the gas supply Only in ecoTEC plus boilers: 5.9.1 Factory settings The capacity of the two-stage pump can be adjusted to the requirements of the heating system. If needed, Caution! change the setting of the operating mode dependent Before operating the boiler check the data pump speed under the diagnostic number “d.19”...

  • Page 34: Checking The Gas Rate

    • Tighten case securing screw (1). stated in Table 5.1. Caution! If the measured gas flow volume lies outside the tolerance limits specified in Table 5.1, do not operate the appliance and inform the Vaillant Customer Service. Gas rate Maximum net Natural gas in m...

  • Page 35: Adjusting The Central Heating Output

    5.12 Gas changeover Note To reset the appliance from natural gas to LPG mode, you need the Vaillant conversion kit Art. No. 00 2001 0641. To reset the appliance from LPG to natural gas mode, you need the Vaillant conversion kit Art.

  • Page 36: Heating

    6.1.4 Final flush of the heating system (“hot”) ed that arrangements are made for a Maintenance • Operate the appliance until the appliance and the Agreement. Please contact Vaillant Service Solutions heating system are up to temperature. (0870 6060 777) for further details.

  • Page 37: Vaillant Warranty

    • Turn OFF the gas supply at the gas service valve fitted to the boiler. Vaillant warranty • When removing any water carrying components Vaillant provide a full parts and labour warranty for this ensure that water is kept away from all electrical com- appliance. ponents.

  • Page 38: Maintenance

    7 Inspection and maintenance 7.1.2 Maintenance Before commencing any servicing or maintenance work, carry out an initial inspection of the system as follows: • Inspect the flue, pipework and electrical connections for indications of damage or deterioration. • Inspect the air supply and ventilation arrangements of the installation.

  • Page 39: Servicing The Burner Module

    Inspection and maintenance 7 Servicing the burner module Caution! Damage to corrugated gas pipe! 7.2.1 Removing the burner module Under no circumstances must the burner mod- The burner module consists of the burner, fan, gas valve ule be suspended from the flexible corrugated und the gas supply (mixer tube).

  • Page 40: Checking The Burner

    7 Inspection and maintenance • Check the burner surface for damage, replace the burner if necessary. • After checking/replacing the burner, re-assemble the burner module in the boiler as described in Section 7.2.4. 7.2.4 Refitting the burner module Fig. 7.5 Replacing the burner door seal •...

  • Page 41: Cleaning The Condensate Siphon

    Inspection and maintenance 7 • Tighten the four nuts (4) on the alternate left and Cleaning the condensate siphon right sides until the burner door fits closely and uni- formly to the stop surfaces. • Reconnect the HT lead (5) and earth lead (6) to the spark electrode.

  • Page 42: Checking The Expansion Vessel

    7 Inspection and maintenance 8 Troubleshooting Checking the expansion vessel • Fill out the Benchmark gas boiler commissioning checklist at the rear of this guide. Fig. 7.10 Checking expansion vessel admission pressure Fig. 7.11 Function check Note It is not necessary to perform this check every Troubleshooting year –...

  • Page 43: Status Codes

    Troubleshooting 8 8.1.1 Status codes Display Meaning The status codes that you can see on the display pro- Warm start (ecoTEC combination boilers only) / Charge hot vides information about the current operating condition water cylinder (ecoTEC system boilers only): of the appliance.
  • Page 44 Digitised ionisation potential Display range of 0 to 102, > 80 no flame, < 40 even flame d.47 Outside temperature Actual value in °C (with weather compensating Vaillant controller only) d.67 Remaining burner anti cycling time in min d.76 Appliance variant (device specific number) 00 to 99 d.90...
  • Page 45 Troubleshooting 8 Second diagnostic level Scrolling and changing values and exiting the diagnostic • As described above in the first diagnostic level, scroll mode is done as described in the first diagnostic level. through the diagnostic number d.97. • Change the displayed value to 17 (password) and press Note the “i”...

  • Page 46: Fault Codes

    8 Troubleshooting Display Meaning Display value/adjustable value d.78 Storage charging temperature limit (target flow tem- Adjustment range in °C 55 to 90 (Factory setting: 80) perature in storage mode, system boilers only) d.80 Heating operating hours in h d.81 Water heating operating hours (combination boilers in h only) d.82...
  • Page 47 Troubleshooting 8 Code Meaning Cause F.25 Interruption in the compact thermal module cable har- Compact thermal module cable harness defective ness F.27 Incorrect sensing of flame Flame detector defective F.28 Appliance does not start: Attempts to ignite during start Faults in the gas supply such as: failed - Gas meter or gas pressure detector defective - Air in gas...

  • Page 48: Test Programs

    8 Troubleshooting 9 Parts replacement Parts replacement Test programs Special functions can be triggered on the appliances by activating various test programs. The tasks listed below in this section may be carried out These programs are given in detail in the only by a qualified engineer.

  • Page 49: Replacing Fan Or Gas Valve

    Parts replacement 9 • Remove the three screws (2) on the burner module (1). • Remove the complete “gas valve/fan” unit. Fig. 9.1 Replacing burner • Loosen the 4 screws (1) on burner, and remove the burner. • Mount the new burner with a new seal. Ensuring that the notch in the burner aligns with the burner viewing Fig.

  • Page 50: Replacing Primary Heat Exchanger

    9 Parts replacement Replacing primary heat exchanger Danger! Before replacing the component, comply with the safety instructions in Section 9.1. • Disconnect the appliance from the mains as described in Section 9.1, and close the service valve in the gas supply pipe.

  • Page 51: Replacing Electronics And Display

    • Turn the holder to the side around the rivet (1), pull Appliance Device specific number the primary heat exchanger downwards to the right ecoTEC plus 612 and remove it from the appliance. ecoTEC plus 615 • Mount the new primary heat exchanger in reverse ecoTEC plus 618 order and replace the seals.

  • Page 52: Recycling And Disposal

    < 250 Table 9.2 Factory gas settings 10 Recycling and disposal Both the Vaillant ecoTEC and the associated transport packaging consist primarily of recyclable raw materials. The Vaillant ecoTEC and all accessories and packaging must not be disposed of in the normal household rub- bish.
  • Page 53 Appendix Appendix Instructions for installation and servicing ecoTEC Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 54 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 55 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 56 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 57 18 E ecoMAX pro 28 E ecoTEC plus 415 ecoTEC plus 418 ecoTEC plus 428 ecoTEC plus 438 ecoTEC plus 612 ecoTEC plus 615 ecoTEC plus 618 ecoTEC plus 624 ecoTEC plus 824 ecoTEC plus 630 ecoTEC plus 831...
  • Page 58 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 59 OVERVIEW PART 1 Pages 4 - 36 Standard Concentric Systems Ø 60/100 (Galvanized steel air duct/plastic flue duct) PART 2 Pages 37 - 59 Optional Concentric System Ø 80/125 (Galvanized steel air duct/plastic flue duct) Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 60 CONTENTS: PART 1 CONCENTRIC 60/100 The air/flue duct must be installed by a suitably qualified service provider, which is responsible for observing the relevant specifications, regulations and standards. Page Requirements Regulations and standards to be observed ¤ Alternative termination accessories available Planning the air/flue duct Maximum flue lengths for ecoMAX layout...
  • Page 61 ¤ REQUIREMENTS Regulations and Vaillant ecoMAX/ecoTEC boilers The air/flue duct operates at very are certified as heating boilers low temperatures therefore no standards to be with corresponding flue systems clearance is necessary between according to EC Directive the air duct and adjacent...

  • Page 62: Alternative Termination Accessories Available

    PLANNING THE AIR/FLUE DUCT LAYOUT Alternative termination accessories available 303 900 = Vertical air/flue duct (black) 303 933 = Horizontal air/flue duct 303 936 = Horizontal telescopic air/flue duct 303 900 303 933 303 936 Optional connection accessories Accy. No. Air/flue duct extensions, concentric 303 902 470 mm - Ø...
  • Page 63 PLANNING THE AIR/FLUE DUCT LAYOUT Air/flue duct extension 470 mm Ø 60/100 Vaillant Accy. No.: 303 902 Air/flue duct extension 970 mm, Ø 60/100 Vaillant Accy. No.: 303 903 Air/flue duct extension 1970 mm, Ø 60/100 Vaillant Accy. No.: 303 905 Fig.
  • Page 64 PLANNING THE AIR/FLUE DUCT LAYOUT Adjustable flue support clips, Ø 100 (pack of 3) Vaillant Accy. No.: 303 935 Fig. 1.5: Flue support clips, Ø 100 Telescopic extension (PP), Ø 60/100 440 mm - 690 mm Vaillant Accy. No.: 303 906 440 –...
  • Page 65 PLANNING THE AIR/FLUE DUCT LAYOUT Adjustable roof tile for pitched roof Vaillant Accy. No.: 009 076 (black) Fig. 1.9: Adjustable roof tile for pitched roof Flexible pitched roof seal (black) Vaillant Accy. No.: 303 980 Fig. 1.10: Flexible pitched roof seal Flat roof penetration collar Vaillant Accy.
  • Page 66 PLANNING THE AIR/FLUE DUCT LAYOUT Variable termination kit - black Vaillant Accy. No.: 303 942 For 303 933 and 303 936 only Variable termination kit - white Vaillant Accy. No.: 303 946 For 303 933 and 303 936 only Fig. 1.13: Variable termination kit Extension pipe for variable termination kit Ø...
  • Page 67 PLANNING THE AIR/FLUE DUCT LAYOUT Flue support clip, Ø 60 mm delivered with kits Fig. 1.17: Flue support clip, Ø 60 mm Maximum flue lengths for use with ecoMAX ecoMAX 613/2 E 824/2 E 828/2 E 635/ E pro 18 E Accessories Accy.

  • Page 68: Maximum Flue Lengths For Use With Ecotec

    PLANNING THE AIR/FLUE DUCT LAYOUT Maximum flue lengths for use with ecoTEC ecoTEC plus 415 plus 612 plus 624 plus 630 plus 637 pro 24 Accessories Accy. No. plus 418 plus 615 plus 824 plus 831 plus 837 pro 28 plus 428 plus 618 plus 438...
  • Page 69 PLANNING THE AIR/FLUE DUCT LAYOUT Maximum flue length Fig. 1.19: Vertical flue systems Fig. 1.18: Horizontal flue systems Concentric flue length Fig. 1.20: Horizontal flue system installed with vertical termination kit Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 70 INSTALLING THE AIR/FLUE DUCT SLIDING SLEEVE INSTALLING THE AIR/FLUE DUCT SLIDING SLEEVE NOTE: For installations where there is in- sufficient movement to allow fitting of the flue into flue outlet, a slid- ing sleeve (Accy. No. 303 915) is available. When using the sliding sleeve both the air and flue ducts of the last extension must be shortened by a further 95 mm.
  • Page 71 INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT IMPORTANT: Horizontal air/flue duct The air/flue duct is not concentric Accy No.: 303 933 and the air duct has a slope of 1.5° (if the air flue duct is not cut). The (Length 0.75 m) hole through the wall can therefore be drilled horizontally with no slope.
  • Page 72 INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT (TOP OUTLET) • Once the position of the flue exit hole has been determined, the hole should be cut through the wall using a core drill of 125 mm diameter. Note: If access can be gained to the proposed flue exit point from outside the dwelling, the hole can be cut with a 107 mm core drill...
  • Page 73 INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT (TOP OUTLET) • Push the air/flue duct assembly (1) including the flexible external seal through the wall until the seal clears the outside face of the wall and pull air/flue duct back towards the boiler until the external seal touches the outside wall (fig.
  • Page 74 INSTALLATION OF THE TELESCOPIC HORIZONTAL AIR/FLUE DUCT IMPORTANT: Horizontal telescopic air/flue duct The air/flue duct is not concentric Accy No.: 303 936 and the air duct has a slope of 1.5° (if the air flue duct is not cut). The (Length 0.4 - 0.61 m) hole through the wall can therefore be drilled horizontally with no slope.
  • Page 75 INSTALLATION OF THE TELESCOPIC HORIZONTAL AIR/FLUE DUCT (TOP OUTLET) • Once the position of the flue exit hole has been determined, the hole should be cut through the wall using a core drill of 125 mm diameter. Note: If access can be gained to the proposed flue exit point from outside the dwelling, the hole can be cut with a 107 mm core drill...
  • Page 76 INSTALLATION OF THE TELESCOPIC HORIZONTAL AIR/FLUE DUCT (TOP OUTLET) • Push the air/flue duct assembly (1) including the flexible external seal through the wall until the seal clears the outside face of the wall and pull air/flue duct back towards the boiler until the external seal touches the outside wall (fig.

  • Page 77: Installation Of The Black Terminal Kit

    INSTALLATION OF THE BLACK TERMINAL KIT Black terminal kit Accy. No.: 303 934 Contents of the accessory: • Black terminal • External wall seal Fig. 3.19: Black kit Assembly Before installing the flue duct • Use an 8 mm screwdriver to bend the catches inwards (fig.
  • Page 78 INSTALLATION OF THE BLACK TERMINAL KIT Assembly After installing the flue duct Danger! Before starting work, shut down the appliance and prevent it from being switched on unintentionally. • Remove the wall seal from the terminal. • Use an 8 mm screwdriver to bend Fig.
  • Page 79 • 87° bend with bird protection quote smaller clearances that are grille not safety critical. Vaillant have re- duced flue terminal clearances approved and these are given in the Fig. 4.1: Variable termination kit boiler installation instructions. These...
  • Page 80 INSTALLATION OF THE VARIABLE TERMINATION KIT • Unlock the catch between the Assembly terminal and the flue duct by After installing the flue twisting them against each other (fig. 4.5). duct • Pull the terminal out of the flue duct. Danger! •...
  • Page 81 INSTALLATION OF THE VARIABLE TERMINATION KIT • Fit the pipes and bends, working from the variable terminal to the selected location for the flue exit using support clips supplied fig 4.8, 4.9, 4.10 or 4.11. Caution! Pipe extensions must be fixed to the wall using pipe clamps.
  • Page 82 INSTALLATION OF THE VARIABLE TERMINATION KIT Fig. 4.10: Installation of basic kit with two additional 87° bends showing position of support clips Fig. 4.11: Installation of basic kit with two additional 45° bends showing position of support clips Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 83 INSTALLATION OF THE VARIABLE TERMINATION KIT Routing around roof eaves When routing the variable termination kit around the roof eaves, additional lengths of M8 threaded bar will be required for the support brackets. Threaded bar can be purchased from most local merchants. •...
  • Page 84 INSTALLATION OF THE VERTICAL AIR/FLUE DUCT Observe the maximum flue Vertical air/flue duct lengths as detailed in table on Accy. No.: 303 900 (black) page 11. Contents of the accessory: • Vertical air/flue duct and terminal assembly • 40 mm air duct clamp •...

  • Page 85: Pitched Roof Installation

    INSTALLATION OF THE VERTICAL AIR/FLUE DUCT Pitched roof installation • Determine the point where the vertical air/flue duct and terminal assembly will penetrate the roof. • Fit the flexible pitched roof (Accy. No. 303 980) tile (1). • Working from above, insert the vertical roof duct (5) through the roofing tile and push it firmly into place.
  • Page 86 INSTALLATION OF THE VERTICAL AIR/FLUE DUCT Flat-roof installation • Determine the point where the vertical air/flue duct and terminal assembly will penetrate the roof. • Fit the flat roof penetration collar (1). cold roof warm roof • Stick the flat roof penetration collar firmly into place with adhesive in accordance with the codes of practice for flat roofs...

  • Page 87: How To Add Extensions

    FITTING AIR/FLUE DUCT EXTENSIONS How to add extensions Use a saw, tin-snips, etc. to cut tubes to size. No tools are required when separating extensions for cutting to size air and flue tubes separately. When doing so, the flue conduit should be twisted into a position where the shoulders on the plastic tube can be pushed through the...
  • Page 88 FITTING AIR/FLUE DUCT EXTENSIONS How to install 2x 87° elbows • When using 2 x 87° elbows follow fig. 6.1 to fig. 6.3 to avoid obstructions on outer wall. Note: The elbows must be correctly aligned to avoid undue stress on the joints and risk of leakage.
  • Page 89 FITTING AIR/FLUE DUCT EXTENSIONS • When using elbows for long flue runs in a corner follow fig. 6.4 and fig. 6.5 to avoid obtrsuctions. Note: The elbows must be correctly aligned to avoid undue stress on the joints an risk of leakage.
  • Page 90 FITTING AIR/FLUE DUCT EXTENSIONS How to install 87° elbows Accy. No.: 303 910 Note: The elbow delilvered with the flue kits 303 933 and 303 936 is not the same dimension as shown here. Example: An offset of 400 mm is measured. This value is then used, along with the table below, to determine the length of the air conduit ( = 190 mm in this...
  • Page 91 FITTING AIR/FLUE DUCT EXTENSIONS How to install 45° elbows Accy. No.: 303 911 Example: An offset of 400 mm is measured. This value is then used, along with the table below, to determine the length of the air conduit (= 284 mm) and the height (= 420 mm).
  • Page 92 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 93 CONTENTS: PART 2 CONCENTRIC 80/125 The air/flue duct must be installed by a suitably qualified service provider, which is responsible for observing the relevant specifications, regulations and standards. Page Requirements Regulations and standards to be observed ¤ Alternative termination accessories available Planning the air/flue duct Maximum flue lengths for ecoMAX layout...
  • Page 94 ¤ REQUIREMENTS Regulations and Vaillant ecoMAX/ecoTEC boilers The air/flue duct operates at very are certified as heating boilers low temperatures therefore no standards to be with corresponding flue systems clearance is necessary between according to EC Directive the air duct and adjacent...
  • Page 95 PLANNING THE AIR/FLUE DUCT LAYOUT Alternative termination 303 200 = Vertical air/flue duct (black) accessories available 303 209 = Horizontal air/flue duct 303 926 = Appliance connection piece 303 200 303 209 Optional connection accessories Accy. No. Air/flue duct extensions (PPs), concentric 303 202 470 mm - Ø...
  • Page 96 PLANNING THE AIR/FLUE DUCT LAYOUT Appliance connection piece Ø 80/125 Vaillant Accy. No.: 303 926 (with 2 measuring apertures) Fig. 1.1: Appliance connection piece Air/flue duct extension (PPs) 470 mm, Ø 80/125 Vaillant Accy. No.: 303 202 Air/flue duct extension (PPs) 970 mm, Ø...
  • Page 97 Vaillant Accy. No.: 303 215 Fig. 1.5: Sliding sleeve, Ø 80/125 Adjustable roof tiles for pitched roof Vaillant Accy. No.: 009 076 (black) Fig. 1.6: Adjustable roof tile for pitched roof Flexible pitched roof seal (black) Vaillant Accy. No.: 303 980 Fig.
  • Page 98 PLANNING THE AIR/FLUE DUCT LAYOUT Maximum flue lengths for use with ecoMAX ecoMAX 613/2 E 618/2 E 622/2 E pro 18 E Accessories Accy. No. pro 28 E 25.0 m Horizontal 303 209 Max. permitted 13.0 m 30.0 m 20.0 m incl.
  • Page 99 PLANNING THE AIR/FLUE DUCT LAYOUT Maximum flue lengths for use with ecoTEC ecoTEC plus 618 plus 624 Accessories Accy. No. plus 612 plus 630 plus 615 plus 824 plus 831 Horizontal 303 209 Max. permitted 13.0 m 25.0 m flue systems concentric incl.
  • Page 100 PLANNING THE AIR/FLUE DUCT LAYOUT Maximum flue length Fig. 1.9 Fig. 1.10 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 101 CHANGING THE APPLIANCE CONNECTION-PIECE Installation Accy No.: 303 926 The appliance is supplied ready-fitted with the connection-piece for the 60/100 air/flue duct system. • Loosen the four screws (2) and pull the appliance connection- piece (1) upwards to remove it. •...

  • Page 102: Installation Of The Sliding Sleeve

    INSTALLATION OF THE SLIDING SLEEVE INSTALLING THE AIR/FLUE DUCT SLIDING SLEEVE NOTE: For installations where there is in- sufficient movement to allow fitting of the flue into flue outlet, a slid- ing sleeve (Accy. No. 303 215) is available. When using the sliding sleeve both the air and flue ducts of the last extension must be shortened by a further 85 mm.
  • Page 103 INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT Observe the maximum flue Horizontal air/flue duct lengths as detailed in table on page 42. Vaillant Accy No.: 303 209 Contents of the accessory: IMPORTANT: • Horizontal air/flue duct The air/flue duct is not concentric •...

  • Page 104: Side Flue Installations

    INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT Ø 80/125 WITH EXTENSIONS Preparation IMPORTANT: Side flue installations The air/flue duct is not concentric and the air duct has a slope of 1.5° • Determine the installation site for • For installations where the air/flue (if the air flue duct is not cut).
  • Page 105 INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT Ø 80/125 WITH EXTENSIONS • Taking each extension to be used, fit the flue duct into the air duct and secure using the 3 screws provided. • For ease of measuring and marking the air/flue duct extensions, assemble them loosely together with the air/flue duct and terminal assembly as shown...
  • Page 106 INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT Ø 80/125 WITH EXTENSIONS • Push the assembled air/flue duct and terminal assembly through the flue exit hole until it protrudes 220 mm out from the outside wall. • Ensure that the terminal is correctly positioned with the air inlet grille at the bottom.

  • Page 107: Indirect Installation

    INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT (80/125 Ø) Indirect installation • Fit the wall mounting (2). • Install the appliance (3) with reference to the installation and servicing instructions supplied with the boiler. • Change the appliance connection- piece (4) as described on 82 - 90 page 47.
  • Page 108 INSTALLATION OF THE VERTICAL AIR/FLUE DUCT Observe the maximum flue Vertical air/flue duct lengths as detailed in table on Accy. No.: 303 200 (black) page 42. Contents of the accessory: • Vertical air/flue duct and terminal assembly • Adapter (air) for Ø 110/125 •...
  • Page 109 INSTALLATION OF THE VERTICAL AIR/FLUE DUCT Pitched roof installation • Determine the point where the vertical air/flue duct and terminal assembly will penetrate the roof. • Fit the flexible pitched roof seal (1). • Working from above, insert the vertical roof duct (5) through the roofing tile and push it firmly into place.
  • Page 110 INSTALLATION OF THE VERTICAL AIR/FLUE DUCT Flat-roof installation • Determine the point where the vertical air/flue duct and terminal assembly will penetrate the roof. • Fit the flat roof penetration collar (1). cold roof warm roof • Stick the flat roof penetration collar firmly into place with adhesive in accordance with the codes of practice for flat roofs...
  • Page 111 FITTING AIR/FLUE DUCT EXTENSIONS How to add extensions Use a saw, tin-snips, etc. to cut tubes to size. No tools are required when removing previously-fitted extensions for cutting to size air and flue tubes separately. When doing so, the flue conduit should be twisted into a position where the shoulders on the plastic tube can be pushed through the spacer-...
  • Page 112 FITTING AIR/FLUE DUCT EXTENSIONS How to install 2x 87° elbows • When using 2 x 87° elbows follow fig. 6.1 to fig. 6.3 to avoid obstructions on outer wall. Note: The elbows must be correctly aligned to avoid undue stress on the joints and risk of leakage.
  • Page 113 FITTING AIR/FLUE DUCT EXTENSIONS • When using elbows for long flue runs in a corner follow fig. 6.4 and fig. 6.5 to avoid obtrsuctions. Note: The elbows must be correctly aligned to avoid undue stress on the joints an risk of leakage.
  • Page 114 FITTING AIR/FLUE DUCT EXTENSIONS How to install 87° elbows Accy. No.: 303 210 Example: An offset of 400 mm is measured. This value is then used, along with the table below, to determine the length of the air conduit (= 190 mm in this case).
  • Page 115 FITTING AIR/FLUE DUCT EXTENSIONS How to install 45° elbows Accy. No.: 303 211 Example: An offset of 400 mm is measured. This value is then used, along with the table below, to determine the length of the air conduit (= 284 mm) and the height (= 420 mm).
  • Page 116 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 117 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 118 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 119 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 120 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 121 Spare part catalogue 0020010870.01 GB 03/2006 Wall-hung boilers ecoTEC plus 824, 831, 837, 612, 615, 618, 624, 630, 637 VUW 246/3-5 VUW 246/3-5 R1 VUW 316/3-5 VUW 316/3-5 R1 VUW 376/3-5 R1 VU 126/3-5 VU 126/3-5 R1 VU 156/3-5 VU 156/3-5 R1 VU 186/3-5 VU 186/3-5 R1 VU 246/3-5...
  • Page 122 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 123 Page 38 Notes Page 40 In order to maintain the safe and efficient operation of this appliance, only genuine Vaillant spare parts must be used. Subject to alteration ! Attention: Please take the gross price from the valid price list !
  • Page 124 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 125 General view of sheet ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 02-00-077 Subject to alteration ! Attention: Please take the gross price from the valid price list ! Supplied By www.heating spares.co Tel.
  • Page 126 04 Burner ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 127 04 Burner ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 Pos. Art.-No Part Type, note 02-04-038 0020010641 conversion set H -> P (not shown) 0020010642 conversion set P -> H (not shown) 049324 burner VUW 246/3-5, with parts 02, 03...

  • Page 128: Heat Exchanger

    06 Heat exchanger ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 129 06 Heat exchanger ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 Pos. Art.-No Part Type, note 02-06-046 103409 heat exchanger VUW 246/3-5, with parts 02, 03, 04, 05, 06 0020018181 heat exchanger VUW 246/3-5 R1, with parts 02, 03, 04, 05, 06 103411...
  • Page 130 07 Casing parts ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 131 07 Casing parts ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 Pos. Art.-No Part Type, note 02-07-073 180932 flue adapter 60/100 with parts 02, 03, 04 147392 cap (set of 5) 981232 packingring 981233...
  • Page 132 08 Connection parts (Hydroblock) ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 133 179035 connection piece,cpl. with part 26 178983 pump, cpl. (Vaillant 2004) VUW 246/3-5, with parts 02, 03, 10, 11, 13, 29, 31, 34, 47 178983 pump, cpl. (Vaillant 2004) VUW 246/3-5 R1, with parts 02, 03, 10, 11, 13, 29, 31, 34, 47 178983 pump, cpl.
  • Page 134 08 Connection parts (Hydroblock) ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 135 08 Connection parts (Hydroblock) ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 Pos. Art.-No Part Type, note 02-08-115 not available as spare part, see pos. 34 981165 packingring (set of 10) 980765 grommet 509120...
  • Page 136 08a Connection parts ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 137 08a Connection parts ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 Pos. Art.-No Part Type, note 02-08-120 180946 connection tube, cpl. with parts 02, 03 193537 packingring (set of 10) 103415 packingring (set of 10) 103417...
  • Page 138 08b Connection parts (Acc.) ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 139 08b Connection parts (Acc.) ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 Pos. Art.-No Part Type, note 02-08-125 082782 gas shut-off valve, cpl. VUW 246/3-5 082782 gas shut-off valve, cpl. VUW 246/3-5 R1 082782 gas shut-off valve, cpl.
  • Page 140 12 Control box ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 141 12 Control box ecoTEC plus 824 VUW 246/3-5 + R1 ecoTEC plus 831 VUW 316/3-5 + R1 ecoTEC plus 837 VUW 376/3-5 R1 Pos. Art.-No Part Type, note 02-12-046 193582 casing, cpl. 251955 fuse 2.0 AT (set of 10) 2.0 AT 117319 knobs, cpl.
  • Page 142 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 143 General view of sheet ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1...
  • Page 144 04 Burner ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 145 04 Burner ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 146 04 Burner ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 147 04 Burner ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 148 06 Heat exchanger ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 149 06 Heat exchanger ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 150 07 Casing parts ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 151 07 Casing parts ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 152 08 Connection parts (Hydroblock) ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 153 08 Connection parts (Hydroblock) ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 154 08 Connection parts (Hydroblock) ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 155 08 Connection parts (Hydroblock) ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 156 08a Connection parts ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 157 08a Connection parts ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 158 08b Connection parts (Acc.) ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 159 08b Connection parts (Acc.) ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 160 12 Control box ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 0020010870.01 GB 03/2006...
  • Page 161 12 Control box ecoTEC plus 612 VU 126/3-5 + R1, ecoTEC plus 615 VU 156/3-5 + R1 ecoTEC plus 618 VU 186/3-5 + R1, ecoTEC plus 624 VU 246/3-5 + R1 ecoTEC plus 630 VU 306/3-5 + R1, ecoTEC plus 637 VU 376/3-5 R1 Pos.
  • Page 162 Notes 0020010870.01 GB 03/2006 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 163 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 164 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 165 For the owner Instructions for use ecoTEC Wall hung room sealed fan assisted condensing boilers ecoTEC plus 612 ecoTEC plus 615 ecoTEC plus 618 ecoTEC plus 624 ecoTEC plus 630 ecoTEC plus 637 ecoTEC plus 824 ecoTEC plus 831 ecoTEC plus 837...
  • Page 166 Appliance characteristics Appliance characteristics ..... The Vaillant ecoTEC plus and ecoTEC pro models are compact, wall-mounted condensing appliances. Notes on these instructions ....

  • Page 167: Notes On These Instructions

    Flue installation instructions no. 835296 Data badge The instructions for any accessories and controllers The type plate of the Vaillant ecoTEC is attached at the used also apply. factory to the bottom of the appliance. The Benchmark gas boiler commissioning checklist (in...

  • Page 168: Safety Instructions

    2 Safety Safety instructions Installation and setting Always observe the following safety instructions and regulations. Important: The appliance must be installed and serviced by Danger a Competent Person as stated in the Gas Safety Inflammable mixtures of gas and air may (Installation and Use) Regulations 1998.

  • Page 169: Instructions On Operation 3

    The cost of this annual service is not included in the guarantee. 3.4.1 The appliance Do not dispose of your Vaillant ecoTEC boiler or any of 3.1.2 One year guarantee for ecoTEC pro appliances its accessories with household waste. Make sure the old...

  • Page 170: Operation

    4 Operation Operation Advanced multifunctional display system Overview of controls on ecoTEC plus Fig. 4.2 Display on ecoTEC plus The ecoTEC plus appliance is fitted with a digital infor- Fig. 4.1 ecoTEC plus controls mation and analysis system. This system provides infor- For access to the controls open the front flap by pulling mation on the operating status of your appliance.

  • Page 171: Overview Of Controls On Ecotec Pro

    Operation 4 Hot water supply active 10 Maximum radiator temperature control (ecoTEC plus combination boilers only) 11 Maximum hot water temperature control and warm- Illuminated: Hot water demand start ON/OFF (ecoTEC system boilers only) Multifunctional display system Illuminated: Heating of an indirect hot water ecoTEC pro boiler has a multifunction display (1).

  • Page 172: Initial Checks Before Turning On

    4 Operation Initial checks before turning on • On ecoTEC combination boilers only: Ensure the cold water service valve (2) is open. This 4.3.1 Opening the service valves can be checked by opening a hot water tap and ensu- ring water flows. Note If a bottom cover is fitted to the boiler the ser- Caution...

  • Page 173: Turning The Boiler On

    Operation 4 Note Domestic hot water with ecoTEC combination Your appliance has a pressure sensor. boilers If the pressure falls below 0.6 bar the pressure flashes in the display. The boiler must only be used when the heating system If it falls below 0.3 bar the appliance switches contains water (see 4.3.2).

  • Page 174: Switching The Warmstart Function On And Off

    4 Operation 4.5.2 Switching the warmstart function on and off ecoTEC pro: The warmstart system of the ecoTEC combination boi- lers provides you with hot water at the required tempe- rature immediately. To do this, the hot water heat exchanger of the ecoTEC is kept at a pre-selected tem- perature level and the boiler will therefore periodically operate to maintain this temperature.

  • Page 175: Heating Operation

    (2) according to the instructions sup- plied with the control(s). Note Vaillant offer room thermostat/time control accessories which give accurate and economic room temperature control as well as improved comfort. Instructions for use ecoTEC...

  • Page 176: Status Displays

    - Are all external heating controls ON (see 4.6.3)? Caution Inappropriate modifications can cause damage. If your boiler still does not operate then please consult your installer or Vaillant Service Solutions (0870 6060 777). Instructions for use ecoTEC Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 177: Problems Due To Low System Water Pressure

    The display shows the symbols and the fault message “F.32”. Note If contacting Vaillant Service Solutions please remember to quote the fault code, as this will help to pinpoint the fault. Instructions for use ecoTEC Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 178: Frost Protection

    Permanent operational readiness, reliability and a long service life require inspections and maintenance work to be regularly carried out by a heating engineer or Vaillant. For further details please contact Vaillant Service Solutions: (0870 6060777). Danger Risk of injury and damage due to improper...
  • Page 179 Instructions for use ecoTEC Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 180 Instructions for use ecoTEC Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 181 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 182 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 183 Instructions for use ecoTEC Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 184 Supplied By www.heating spares.co Tel. 0161 620 6677...

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