Vaillant eco TEC plus 415 Instructions Manual
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Vaillant eco TEC plus 415 Instructions Manual

Wall hung open vent condensing boiler
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For the installer
Instructions for installation and servicing

ecoTEC plus

Wall hung open vent condensing boiler
GB
Supplied by HeatingSpares247.com

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Questions and answers

Barbara Mary Phillips
January 27, 2025

What is the correct setting to get hot water in the tank

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1 comments:
Mr. Anderson
February 10, 2025

The hot water setting on the Vaillant ecoTEC plus 415 can only be adjusted if it is installed with a Vaillant uniSTOR unvented cylinder and relevant controls. Once these controls are set, the boiler operates automatically.

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Paul Christopher Dolling
March 2, 2025

is it essential for this boiler to be fitted on an external wall,we are replacing a boiler which is currently sited in a cupboard 2/3 metres from an external wall ?

0
1 comments:
Mr. Anderson
March 2, 2025

The provided context does not specify that the Vaillant ecoTEC plus 415 boiler must be fitted on an external wall. However, it mentions installation requirements such as clearance, flue installation, and compliance with regulations for timber frame buildings. It is advisable to follow the manufacturer's full installation instructions and consult a qualified professional.

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Summary of Contents for Vaillant eco TEC plus 415

  • Page 1: Ecotec Plus

    For the installer Instructions for installation and servicing ecoTEC plus Wall hung open vent condensing boiler Supplied by HeatingSpares247.com...

  • Page 2: Table Of Contents

    Flue termination ..... . . Vaillant warranty..... . .
  • Page 3 Packaging......Vaillant service ......

  • Page 4: Introduction

    The domestic hot water can only be adjusted on the throughout the boilers entire instruction pack. boiler if it is installed with a Vaillant uniSTOR unvented We assume no liability for any damage caused by cylinder and relevant controls. Once the controls non-observance of these instructions.

  • Page 5: General Information

    Introduction 1 General information Danger Thank you for choosing a Vaillant boiler. The Smell of gas. Risk of poisoning and explosion information given in this booklet will enable you to due to a malfunction obtain the best performance from your boiler.

  • Page 6: Protection Against Freezing

    If you have a sealed water system contact your in the countries of destination. installation/ servicing company as draining, refilling To obtain service, please call your installer or Vaillant and pressurising MUST be carried out by a competent Service Solutions (0870 6060 777).

  • Page 7: Statutory Requirements

    It is important that no alteration is made to the boiler, Appliance Gas council numbers without permission, in writing, from Vaillant. ecoTEC plus 415 41-044-53 Any alteration that is not approved by Vaillant, could ecoTEC plus 418 41-044-54 invalidate the warranty and could also infringe the ecoTEC plus 428 41-044-55 current issue of the Statutory Requirements.

  • Page 8: Boiler Specifications

    2 Boiler specifications 2 Boiler specifications Technical data Description Unit ecoTEC plus 415 ecoTEC plus 418 ecoTEC plus 428 ecoTEC plus 438 Maximum CH heat input (net) 15.3 18.9 28.6 38.4 CH heat output (80/60 °C) 5.0 - 15.0 5.0 - 18.6 5.3 - 28.2 6.3 - 38.0 CH heat output (50/30 °C)

  • Page 9: Dimensions

    Boiler specifications 2 2.1.2 Dimensions FLUE FLUE FLUE OUTSIDE WALL FACE FLUE BOILER BOILER Fig. 2.1 Dimensions in mm Legend: 1 Heating return pipe Ø 22 2 Heating flow pipe Ø 22 15mm GAS 3 Gas connection Ø 15 CONNECTION 4 Hanging bracket 5 Flue hole - flue system 303 933 6 Flue pipe connection...

  • Page 10: General Requirements

    Preliminary remarks for room sealed spanners (not pipe wrench, or extensions, etc.). appliances Incorrect use and/or unsuitable tools can lead This appliance should only be installed with a Vaillant to damage being caused (e.g. gas or water flue system. leakage)! Install the flue system as detailed in the separate flue installation instructions supplied with this boiler.

  • Page 11: Gas Supply

    (15 mm). The complete installation must be checked for leaks and purged as described in BS 6891. Danger! Vaillant appliances are certified only for use with genuine Vaillant flue pipes. Only use genuine Vaillant flue pipes. Malfunctions can occur if you use other accessories.

  • Page 12: Flue Termination

    3 General requirements 3.5.1 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 substances can escape freely at all times.

  • Page 13: Domestic Hot Water Cylinder

    The ecoTEC plus can be connected to an unvented The pump should be fitted on the flow pipe from the hot water cylinder. Vaillant offer a range of cylinders boiler and have isolating valves each side. called uniSTOR with capacities from 125 litres to 310 A variable duty pump should be set to give a litres.
  • Page 14 3 General requirements ecoTEC plus 415 pressure loss graph ecoTEC plus 428 pressure loss graph ecoTEC plus 418 pressure loss graph ecoTEC plus 438 pressure loss graph Fig. 3.8 Pressure loss Installation and Servicing ecoTEC plus Supplied by HeatingSpares247.com...
  • Page 15 General requirements 3 3.16 Open vented heating system The boiler must be supplied from an unrestricted water supply taken from a feed and expansion cistern situated at a maximum height of 27 metres (90ft) above the boiler. The cold feed must be 15mm minimum size. The vent must rise continuously and be unrestricted.

  • Page 16: Sealed Water Systems

    3 General requirements 3.17 Sealed water systems Note! The installation must comply with the appropriate A higher initial design pressure requires a requirements of the current issue of BS4814, BS5449, larger volume expansion vessel. BS6759, BS6798 and BS7074 Part 1 and 2. For IE your attention is drawn to the current edition of IS 813.

  • Page 17: Boiler Installation Sequence

    Institute of Gas Engineers document IGE/UP/7/1998. If in doubt seek advice from the local gas undertaking or Vaillant. A removable compartment door can be placed at least 5mm in front of the appliance...

  • Page 18: Contents Included With Delivery

    4 Boiler installation sequence 4.1.4 Contents included with delivery The Vaillant ecoTEC plus is delivered pre-mounted in a package unit. Check that all the parts have been delivered intact (see fig. 4.2 and table 4.1. DO NOT remove the boiler from the polystyrene base at this stage.

  • Page 19: Fitting The Boiler Hanging Bracket

    Boiler installation sequence 4 Fitting the boiler hanging bracket Reposition the wall template over the flue hole ensuring the template is vertical and mark the position of the fixing holes for the hanging bracket, see fig 4.3. Mark and drill the fixing holes and secure the hanging bracket.

  • Page 20: Gas Connection

    4 Boiler installation sequence 4.3.3 Gas connection of a least (45mm per metre) away from the boiler. Condensate should, if possible be discharged into the Danger! household internal drainage system. The gas connection may only be made by a The condensate is discharged periodically in ‘slugs’ by competent person.

  • Page 21: Electrical Connections

    Any fault arising from incorrect wiring cannot be put right under the Fig. 4.5 Gas and condense connections terms of the Vaillant guarantee. Danger! Mains connection terminals L and N remain live “unless isolated at the fused spur or electrical outlet supplying the boiler”.

  • Page 22: Wiring System

    4 Boiler installation sequence 4.4.1 Connection to the main supply • Lower the electronics box, see fig. 4.7. Opening the electronics box • Unclip the bottom of the electronics box cover and hinge back to reveal the connection plugs. • Feed the power supply flex into the appliance and the electronics box through the cable clamps provided.

  • Page 23: Electrical Board Layout

    Boiler installation sequence 4 4.4.3 Electrical board layout eBUS accessory connection Burner cable harness Accessory module connection Diagnosis via eBUS vrnet DIALOG ext. flow or return probe outer probe ext. flow or return probe Hydraulic cable harness Connection for external Caution: eBUS controller Do not connect...
  • Page 24 4 Boiler installation sequence return flow Ignition electrode X 20/8 blue black link X 20/7 black X 20/5 red Fan unit X 20/16 blue (earth) Gas valve assembly X 20/4 grey(PWM) X 20/3 black (Hall signal) X 20/17 red (24 Vdc) X 20/18 red (24 Vdc) X 20/9 blue (earth) green/yellow...

  • Page 25: Controls

    Boiler installation sequence 4 4.4.4 Controls Table 4.2 Vaillant controls (used in conjunction with the VR 65 accessory) Controls Item no. Connection VRC 400 (1-circuit controller, weather-controlled) 00 2001 0843 Installation in electronics box or wall-mounted (plug-and play) VRT 360 (room temperature controlled)

  • Page 26: Commissioning (Part I)

    5 Commissioning (Part I) Commissioning (Part I) RETAINING DOWEL (2 OFF) Please ensure the “Benchmark” commissioning check list is completed and left with the user. Preliminaries - all systems A competent person should carry out commissioning, in accordance with the current issue of BS 6798. Remove the two screws on the inner case then lift the case upwards off the two top retaining dowels.

  • Page 27: Initial Lighting

    Adjust the control (1) anti-clockwise to its lowest Note! setting (The indent position just before off). If contacting Vaillant Service Solutions please Turn on external heat demand to boiler. remember to quote the fault code, as this will The fan should start and after a few seconds the help to pinpoint the fault.

  • Page 28: Natural Gas To Lpg Conversion

    6 Natural gas to LPG conversion Natural gas to LPG conversion NAT.GAS G20 PROPANE G31 CASE OFF CASE ON CASE OFF CASE ON THROTTLE The ecoTEC plus is able to be field adjusted for use on ADJUSTMENT ecoTEC LPG – propane G31 gas. To enable conversion the use plus 415 9.1+0.2-0.5 9.3+0.2-0.5 10.1+0.5-0.5 10.3+0.5-0.5 5 TURNS of a combustion analyser is necessary.

  • Page 29: Functional Checks Commissioning (Part Ii)

    (see Section 7.1.1 Fig. 7.2 Display indicator during heating mode 7.1.1 Domestic hot water (If optional VR65, uniSTOR cylinder & Vaillant control are installed) • Switch on the appliance. • Fully open the hot water tap. • Press “i” to activate the status indicator.

  • Page 30: Final Flush Of The Heating System (Hot)

    7.1.3 Final flush of the heating system (hot) Vaillant warranty • Operate the appliance until the heating system is up Vaillant provide a full parts and labour warranty for to temperature. this appliance. • Check the heating system for leaks.

  • Page 31: Inspection And Maintenance

    Note! Only genuine Vaillant spare parts may be used for The boiler is fitted with a combustion analysis inspections, maintenance and repair work to ensure test point. A suitable combustion analyser...
  • Page 32 8 Inspection and maintenance Overview of the inspection and maintenance tasks Activity Column 1 Column 2 Inspection Maintenance must be carried out once a year Check the air/ gas flue system and ensure it is not blocked, damaged and is fitted correctly. Measure the gas rate during operation (see table 5.1.

  • Page 33: General

    Inspection and maintenance 8 8.1.4 General RETAINING All routine servicing requirements can be achieved by DOWEL (2 OFF) the removal of the front casing, inner case and chassis panel only. Remove the two screws on the underside of the front casing and lift off.

  • Page 34: Spark Electrode

    8 Inspection and maintenance 8.1.5 Spark electrode Disconnect the ignition lead and earth lead from the igniter unit and two securing screws at the spark electrode. Withdraw the spark electrode carefully from the combustion chamber, see fig 8.4. Inspect the tips for damage. Clean away any debris and check the spark gap is 3.5 -4.5 mm.

  • Page 35: Combustion Chamber And Heat Exchanger

    8 Inspection and maintenance Note! If the burner has to be removed it will require a SECTION THROUGH new gasket when refitted. BURNER DOOR SHOWING POSITION OF SEAL Note! When replacing ensure that the sealing BURNER grommet, situated below the gas valve is DOOR correctly re-seated.

  • Page 36: Condensate Drain

    8 Inspection and maintenance 8.1.8 Condensate drain The condense drain does not normally need removing during servicing. To flush the condense drain carefully pour water into the heat exchanger and check that water flows freely to drain. If the condense drain is blocked, refer to parts replacement section 11 for removal.

  • Page 37: Combustion Analysis

    Combustion analysis 9 Combustion analysis Note! The boiler is fitted with a combustion analysis test point. A suitable combustion analyser can be connected to this point to establish the combustion performance of the boiler. Check CO content Refer to table 9.1 and if necessary set (air-ratio adjustment).

  • Page 38: Troubleshooting

    (if fitted) are fully open. 5. Set the central heating temperature to maximum. 6. Set the domestic hot water temperature to maximum (Only if additional Vaillant accessories are fitted). 7. Check that all external controls are on and calling for heat (if no external controls are fitted, boiler terminals 3 and 4 must be linked).

  • Page 39: Diagnostic Codes

    Troubleshooting 10 10.1.2 Diagnostic codes Display Meaning In the diagnostic mode, you can change certain Charge hot water cylinder (when accessories are parameters or display more information. The fitted): diagnostic information is divided into two diagnostic levels. The second diagnostic level can be reached only S.20 Warmstart demand after entering a password.
  • Page 40 °C d.44 Digitised ionisation potential Display range of 0 to 102, > 80 no flame, < 40 even flame d.47 Outside temperature (with weather compensating Vaillant Actual value in °C controller only) d.67 Remaining burner anti cycling time in min d.76...
  • Page 41 Troubleshooting 10 Display Meaning Display value/adjustable value d.17 Heating flow/return regulation change over 0 = flow, 1 = return (factory setting: 0) d.18 Pump mode (return) 0 = return, 1 = nonstop, 2 = winter (factory setting: 0) d.19 Operating modes of the two-speed heating pump 0 = pre ignition speed 1, hot water or heating speed 2, overrun speed 1 1 = pre ignition speed 1, hot water speed 2, heating speed 1...

  • Page 42: Fault Codes

    10 Troubleshooting Display Meaning Display value/adjustable value d.78 Storage charging temperature limit (target flow Adjustment range in °C 55 to 90 (Factory setting: 80) temperature in storage mode, system boilers only) d.80 Heating operating hours in h d.81 Water heating operating hours (when accessories in h are fitted) d.82...
  • Page 43 Troubleshooting 10 Code Meaning Cause 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:- - Gas meter or gas pressure failed detector defective - Air in gas- Gas flow pressure too low - Fire protection tap has disengaged Faults in the gas valve, wrong gas setting, igniter (ignition transformer, ignition cable, ignition plug) defective, ionisation current stopped (cable, electrode),...

  • Page 44: Test Programs

    10 Troubleshooting 11 Parts Replacement 10.2 Test programs Parts replacement Special functions can be triggered on the appliances by activating various test programs. The tasks listed below in this section may be carried These programs are given in detail in the Table 10.5. out only by a qualified engineer.

  • Page 45: Replacing The Heat Exchanger

    Parts replacement 11 Note! The ecoTEC plus 428 and 438 fan is secured through an extension piece with two securing screws, check and replace any seals or gaskets if necessary. 11.5 Replacing the heat exchanger For access refer to section 8.1.4. Remove the gas valve, fan and burner refer to the relevant parts of section 8.1.6.

  • Page 46: Replacing Electronics And Display

    Table 11.1 (see section 10.1.2). Recycling and disposal The electronics is now set to the appliance type and The design of all Vaillant products takes into account the parameters of all adjustable diagnostics numbers the subsequent recycling and/or eventual safe correspond to the factory settings.

  • Page 47: Appendix 14

    Appendix 14 Installation and Servicing ecoTEC plus Supplied by HeatingSpares247.com...
  • Page 48 Installation and Servicing ecoTEC plus Supplied by HeatingSpares247.com...
  • Page 49 Installation and Servicing ecoTEC plus Supplied by HeatingSpares247.com...
  • Page 50 Notes Installation and Servicing ecoTEC plus Supplied by HeatingSpares247.com...
  • Page 51 Notes Installation and Servicing ecoTEC plus Supplied by HeatingSpares247.com...
  • Page 52 Supplied by HeatingSpares247.com...
  • Page 53 For the installer Flue installation instructions Air flue duct for use with ecoMAX ecoMAX 613/2 E and ecoTEC boilers ecoMAX 618/2 E ecoMAX 622/2 E ecoMAX 635/ E ecoMAX 824/2 E ecoMAX 828/2 E ecoMAX 835/ E ecoMAX pro 18 E ecoMAX pro 28 E ecoTEC plus 415 ecoTEC plus 418...
  • Page 54 Supplied by HeatingSpares247.com...
  • Page 55 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 HeatingSpares247.com...
  • Page 56 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 57 ¤ 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 58: 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 59 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 60 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 61 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 62 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 63 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 64: 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 65 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 HeatingSpares247.com...
  • Page 66 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 67 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 68 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 69 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 70 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 71 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 72 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 73: 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 74 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 75 • 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 76 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 77 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 78 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 HeatingSpares247.com...
  • Page 79 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 80 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 81: 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 82 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 83: 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 84 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 85 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 86 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 87 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 88 Supplied by HeatingSpares247.com...
  • Page 89 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 90 ¤ 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 91 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 92 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 93 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 94 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 95 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 96 PLANNING THE AIR/FLUE DUCT LAYOUT Maximum flue length Fig. 1.9 Fig. 1.10 Supplied by HeatingSpares247.com...
  • Page 97 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 98: 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 99 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 100: 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 101 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 102 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 103: 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 104 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 105 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 106 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 107 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 108 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 109 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 110 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 111 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 112 Supplied by HeatingSpares247.com...
  • Page 113 Supplied by HeatingSpares247.com...
  • Page 114 Supplied by HeatingSpares247.com...
  • Page 115 Supplied by HeatingSpares247.com...
  • Page 116 Supplied by HeatingSpares247.com...
  • Page 117 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 118 Supplied by HeatingSpares247.com...
  • Page 119 12 Control box Page 40 Notes 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 120 0020010870.01 GB 03/2006 Supplied by HeatingSpares247.com...
  • Page 121 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 HeatingSpares247.com...
  • Page 122 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 HeatingSpares247.com...
  • Page 123 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 124 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 HeatingSpares247.com...

  • Page 125: 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 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 126 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 HeatingSpares247.com...
  • Page 127 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 128 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 HeatingSpares247.com...
  • Page 129 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 130 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 HeatingSpares247.com...
  • Page 131 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 132 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 HeatingSpares247.com...
  • Page 133 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 134 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 HeatingSpares247.com...
  • Page 135 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 136 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 HeatingSpares247.com...
  • Page 137 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 138 0020010870.01 GB 03/2006 Supplied by HeatingSpares247.com...
  • Page 139 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 02-00-077 Subject to alteration ! Attention: Please take the gross price from the valid price list !
  • Page 140 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 Supplied by HeatingSpares247.com...
  • Page 141 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 142 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 Supplied by HeatingSpares247.com...
  • Page 143 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 144 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 Supplied by HeatingSpares247.com...
  • Page 145 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 146 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 Supplied by HeatingSpares247.com...
  • Page 147 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 148 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 Supplied by HeatingSpares247.com...
  • Page 149 07 193539 packingring (set of 10) 178983 pump, cpl. (Vaillant 2004) VU 126/3-5, with parts 02, 06, 08, 10, 19, 20, 21, 29 178983 pump, cpl. (Vaillant 2004) VU 126/3-5 R1, with parts 02, 06, 08, 10, 19, 20, 21, 29 178983 pump, cpl.
  • Page 150 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 Supplied by HeatingSpares247.com...
  • Page 151 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 152 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 Supplied by HeatingSpares247.com...
  • Page 153 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 154 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 Supplied by HeatingSpares247.com...
  • Page 155 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 156 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 Supplied by HeatingSpares247.com...
  • Page 157 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 158 Notes 0020010870.01 GB 03/2006 Supplied by HeatingSpares247.com...
  • Page 159 Supplied by HeatingSpares247.com...
  • Page 160 Supplied by HeatingSpares247.com...
  • Page 161 For the owner Instructions for use ecoTEC plus Wall hung open vent condensing boiler Supplied by HeatingSpares247.com...
  • Page 162 Appliance characteristics Appliance characteristics ..... 2 The Vaillant ecoTEC plus boilers are compact, wall hung condensing open vented boiler, designed to Introduction .

  • Page 163: Introduction

    Vaillant Technical Department. be carried out by a competent person in accordance with the Gas Safety (Installation and Use) Regulations 1998.

  • Page 164: Safety Instructions

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

  • Page 165: Information On Installation And Operation

    The cost of this annual service is not included in the 3.4.1 The appliance guarantee. Do not dispose of your Vaillant ecoTEC boiler or any of its accessories with household waste. Make sure the old appliance and any existing accessories are 3.1.3 Registering with us disposed of properly.

  • Page 166: Operation

    4 Operation Fan speed malfunction. 4 Operation Fan speed malfunction. Overview of controls on ecoTEC plus As long as this symbol appears in the display, a heating flow temperature is set by the vrnetDIALOG accessory, which means the appliance uses temperatures other than those set using the controls (7) and (8).

  • Page 167: Initial Checks Before Turning On

    Operation 4 Initial checks before turning on Domestic hot water The control of domestic hot water is only available if you have fitted the optional accessories (VR 65, 4.2.1 Opening the gas service valve VRT 360, VRC 400. • Ensure the gas service valve is open. The boiler must only be used when the heating system •...

  • Page 168: Setting The Maximum Radiator

    4 Operation 4.5.1 Setting the maximum radiator temperature Note! control Vaillant offer room thermostat/time control accessories which give accurate and economic room temperature control as well as improved comfort. The boiler will now operate automatically to provide central heating for the conditions selected on the external controls.

  • Page 169: Troubleshooting

    “F.32”. Troubleshooting Note! In the unlikely event that a problem occurs with the If contacting Vaillant Service Solutions please operation of the ecoTEC boiler, the following points should be checked: Boiler fails to operate: – Is the gas supply turned on? –...

  • Page 170: Frost Protection

    Permanent operational readiness, reliability and a long service life require inspections and maintenance work to be regularly carried out by a competant person or Vaillant. For further details please contact Vaillant Service Solutions: (0870 6060777). Danger! Risk of injury and damage due to improper handling.
  • Page 171 Instructions for Use ecoTEC plus Supplied by HeatingSpares247.com...
  • Page 172 Supplied by HeatingSpares247.com...

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