Operatinginstructions - Heating Spare Parts

For the operator

Operating instructions

ecoFIT pure

612 - 630

GB, IE

Operating instructions

Publisher/manufacturer

Vaillant GmbH

Berghauser Str. 40 D-42859 Remscheid

Tel. +49 21 91 18‑0 Fax +49 21 91 18‑2810

[email protected] www.vaillant.de

Contents

2 Operating instructions ecoFIT pure 0020230534_01

Contents

1 Safety ............................................ 3

1.1 Action-related warnings ................. 3

1.2 Intended use .................................. 3

1.3 General safety information............. 4

2 Notes on the documentation ...... 7

2.1 Observing other applicabledocuments ..................................... 7

2.2 Storing documents......................... 7

2.3 Applicability of the instructions....... 7

3 Product description..................... 7

3.1 Front view ...................................... 7

3.2 Control elements............................ 7

3.3 Displayed symbols......................... 8

3.4 Information on the identificationplate ............................................... 8

3.5 Serial number ................................ 9

3.6 CE label ......................................... 9

3.7 Benchmark..................................... 9

4 Operation.................................... 10

4.1 Operating concept ....................... 10

4.2 Basic display................................ 10

4.3 Adjustment and display levels ..... 10

4.4 Cabinet-type casing ..................... 10

4.5 Opening the isolator devices ....... 10

4.6 Starting up the product ................ 11

4.7 Switching on the product ............. 11

4.8 Setting the heating flowtemperature ................................. 11

4.9 Setting the hot watertemperature ................................. 11

4.10 Switching off the product'sfunctions ...................................... 11

4.11 Guaranteeing the correctfilling pressure of the heatingsystem ......................................... 12

4.12 Protecting the heatinginstallation against frost ............... 13

4.13 Switching the product tostandby mode .............................. 13

5 Troubleshooting ........................ 13

5.1 Detecting and rectifying faults...... 13

5.2 Calling up (Live monitor) statuscodes ........................................... 13

6 Care and maintenance .............. 14

6.1 Maintenance ................................ 14

6.2 Caring for the product .................. 14

6.3 Reading maintenancemessages .................................... 14

6.4 Checking the condensate drainpipework and tundish................... 14

7 Decommissioning...................... 14

7.1 Temporarily decommissioningthe product................................... 14

7.2 Permanently decommissioningthe product................................... 14

8 Recycling and disposal............. 14

9 Guarantee and customerservice ........................................ 15

9.1 Guarantee.................................... 15

9.2 Customer service......................... 15

Appendix ............................................... 16

A Status codes – Overview........... 16

B Troubleshooting ........................ 16

Safety 1

0020230534_01 ecoFIT pure Operating instructions 3

1 Safety

1.1 Action-related warnings

Classification of action-re-lated warningsThe action-related warningsare classified in accordancewith the severity of the pos-sible danger using the followingwarning signs and signal words:

Warning symbols and signalwords

Danger!Imminent danger to lifeor risk of severe personalinjury

Danger!Risk of death from electricshock

Warning.Risk of minor personalinjury

Caution.Risk of material or envir-onmental damage

1.2 Intended use

There is a risk of injury or deathto the user or others, or of dam-age to the product and otherproperty in the event of im-proper use or use for which itis not intended.

The product is intended as aheat generator for closed heat-

ing installations and for hot wa-ter generation.

Intended use includes the fol-lowing:

– observance of the operatinginstructions included for theproduct and any other systemcomponents

– compliance with all inspectionand maintenance conditionslisted in the instructions.

This product can be used bychildren aged from 8 yearsand above and persons withreduced physical, sensory ormental capabilities or lack ofexperience and knowledge ifthey have been given supervi-sion or instruction concerninguse of the product in a safe wayand understand the hazards in-volved. Children must not playwith the product. Cleaning anduser maintenance work mustnot be carried out by childrenunless they are supervised.

Any other use that is not spe-cified in these instructions, oruse beyond that specified in thisdocument shall be consideredimproper use. Any direct com-mercial or industrial use is alsodeemed to be improper.Caution.Improper use of any kind isprohibited.

1 Safety


1.3 General safetyinformation

1.3.1 Installation bycompetent persons only

The installation, inspection,maintenance and repair of theproduct, as well as the gas ratiosettings, must only be carriedout by a competent person.

1.3.2 Danger caused byimproper operation

Improper operation may presenta danger to you and others, andcause material damage.▶ Carefully read the enclosed

instructions and all other ap-plicable documents, particu-larly the "Safety" section andthe warnings.

▶ Only carry out the activitiesfor which instructions areprovided in these operatinginstructions.

1.3.3 Risk of death fromescaping gas

What to do if you smell gas inthe building:▶ Avoid rooms that smell of

gas.▶ If possible, open doors and

windows fully and ensureadequate ventilation.

▶ Do not use naked flames (e.g.lighters, matches).

▶ Do not smoke.

▶ Do not use any electricalswitches, mains plugs, door-bells, telephones or othercommunication systems inthe building.

▶ If it is safe to do so, close theemergency control valve orthe main isolator.

▶ If possible, close the gas isol-ator cock on the product.

▶ Warn other occupants in thebuilding by yelling or bangingon doors or walls.

▶ Leave the building immedi-ately and ensure that othersdo not enter the building.

▶ Notify the gas supply com-pany or the National Grid+44 (0) 800 111999 by tele-phone once you are outsideof the building.

1.3.4 Risk of death due to ablocked or leaking fluegas pipe

What to do if you smell flue gasin the property:▶ Open all accessible doors

and windows fully to provideventilation.

▶ Switch off the product.▶ Inform a competent person.

Safety 1


1.3.5 Risk of death due toexplosive and flammablematerials

▶ Do not use or store explosiveor flammable materials (e.g.petrol, paper, paint) in the in-stallation room of the product.

1.3.6 Risk of death dueto changes to theproduct or the productenvironment

▶ Never remove, bridge orblock the safety devices.

▶ Do not tamper with any of thesafety devices.

▶ Do not damage or removeany seals on components.

▶ Do not make any changes:– The product itself– to the gas, air, water and

electricity supplies– to the entire flue gas install-

ation– to the entire condensate

drain system– to the expansion relief valve– to the drain pipework– to constructional condi-

tions that may affect theoperational reliability of theproduct

1.3.7 Risk of corrosiondamage due tounsuitable combustionand room air

Sprays, solvents, chlorinatedcleaning agents, paint, adhes-ives, ammonia compounds,dust or similar substances maylead to corrosion on the productand in the air/flue pipe.▶ Ensure that the supply of

combustion air is always freeof fluorine, chlorine, sulphur,dust, etc.

▶ Ensure that no chemical sub-stances are stored at the in-stallation site.

1.3.8 Risk of material damagecaused by frost

▶ Ensure that the heating in-stallation always remains inoperation during freezing con-ditions and that all rooms aresufficiently heated.

▶ If you cannot ensure the op-eration, have a competentperson drain the heating in-stallation.

1 Safety


1.3.9 Risk of injury andmaterial damage due tomaintenance and repairscarried out incorrectly ornot carried out at all

▶ Never attempt to carry outmaintenance work or repairson your product yourself.

▶ Faults and damage shouldbe immediately rectified by acompetent person.

▶ Adhere to the maintenanceintervals specified.

Notes on the documentation 2


2 Notes on thedocumentation

2.1 Observing other applicabledocuments

▶ You must observe all operating instruc-tions enclosed with the system compon-ents.

2.2 Storing documents

▶ Keep this manual and all other applic-able documents safe for future use.

2.3 Applicability of theinstructions

These instructions apply only to:

Product article numberArticlenumber

Gas Coun-cil Number

VU 126/6-3(H-GB)

0010020395 41-694-03

VU 156/6-3(H-GB)

0010020396 41-694-04

VU 186/6-3(H-GB)

0010020397 41-694-05

VU 256/6-3(H-GB)

0010020398 41-694-06

VU 306/6-3(H-GB)

0010020399 41-694-07

3 Product description

3.1 Front view

1

2

1 Control elements 2 Plate with serialnumber on therear

3.2 Control elements

50

12

3

1 Fault clearancekey

2 Operating but-tons

3 Display

3.2.1 Operator control panel

501

9

8

7

6

2

3

4

1

5

1 Current heatingflow temperat-ure, operatingmode, fault codeor additional in-formation

2 Current assign-ment of the right-hand selectionbutton

3 Left- and right-hand selectionbuttons

4 and but-ton

5 Fault clearancekey

3 Product description


6 Maximum out-put (only usedfor Austria,Germany andSwitzerland)

7 Access to themenu for addi-tional information

8 Current assign-ment of the left-hand selectionbutton

9 Active operatingstatus

3.3 Displayed symbols

Sym-bol

Meaning Explanation

Burner operatingcorrectly

Burner on

bar Current fillingpressure of theheating systemThe dashed linesshow the permit-ted range

– Permanentlyon: Fillingpressure inthe permittedrange

– Flashing:Filling pres-sure outsidethe permittedrange

Heating modeactive

– Permanentlyon: Heatingmode heatrequirement

– Flashing:Burner on inheating mode

Hot water gener-ation active

– Permanentlyon: In draw-offmode beforeburner is on

– Flashing:Burner on indraw-off mode

Maintenance re-quired

Information onthe maintenancemessage in the"Live Monitor"

Summer modeactiveHeating mode isswitched off

Sym-bol

Meaning Explanation

Burner anti-cyc-ling time is active

To avoid theneed for frequentswitching on andoff (increases theproduct's workinglife).

F.XX

Fault in theproduct

Fault in theproduct. Appearsinstead of thebasic display.

3.4 Information on theidentification plate

The identification plate is mounted on theunderside of the product in the factory.

The identification plate keeps record ofthe country in which the product is to beinstalled.

Informationon the identi-fication plate

Meaning

Barcode with serial number

Serial number For quality control purposes;3rd and 4th digits = year ofproductionFor quality control purposes;5th and 6th digits = week ofproductionFor identification purposes;7th to 16th digits = productarticle numberFor quality control purposes;17th to 20th digits = place ofmanufacture

ecoFIT pure Product designation

2H, G20 – 2kPa (20 mbar)

Factory setting for type ofgas and gas connectionpressure

Cat. Unit category

Condensingtechnology

Efficiency class of the boilerin accordance with EC Dir-ective 92/42/EEC

Type: Xx3(x) Permissible flue gas connec-tions

Product description 3


Informationon the identi-fication plate

Meaning

PMS Maximum water pressure inheating mode

PMW Maximum water pressure inhot water handling mode

V/Hz Electrical connection

W Max. electrical power con-sumption

IP Level of protection

Heating mode

Hot water generation

Pn Nominal heat output rangein heating mode

Pnc Nominal heat output rangein heating mode (condensingtechnology)

P Nominal heat output rangein hot water handling mode

Qn Nominal heating load rangein heating mode

Qnw Nominal heating load rangein hot water handling mode

Tmax. Max. flow temperature

NOx NOx class for the product

Code (DSN) Specific product code

Read the instructions.

GC no. Gas council number

3.5 Serial number

The serial number is located on a plasticplate at the bottom of the front casing.

3.6 CE label

The CE label shows that the productscomply with the basic requirements of theapplicable directives as stated on the iden-tification plate.

The declaration of conformity can beviewed at the manufacturer's site.

3.7 Benchmark

Vaillant is a licensed member of theBenchmark Scheme which aims to im-prove the standards of installation andcommissioning of domestic heating andhot water systems in the UK and to en-courage regular servicing to optimisesafety, efficiency and performance.

Benchmark is managed and promotedby the Heating and Hotwater IndustryCouncil. For more information visitwww.benchmark.org.uk.

▶ Please ensure that the installer has fullycompleted the Benchmark Checklist onthe inside back pages of the installationinstructions supplied with the productand that you have signed it to say thatyou have received a full and clear ex-planation of its operation. The installeris legally required to complete a com-missioning checklist as a means ofcomplying with the appropriate Build-ing Regulations (England and Wales).

All installations must be notified to LocalArea Building Control either directly orthrough a Competent Persons Scheme.A Building Regulations Compliance Certi-ficate will then be issued to the customerwho should, on receipt, write the Notifica-tion Number on the Benchmark Checklist.

This product should be serviced regularlyto optimise its safety, efficiency and per-formance. The service engineer shouldcomplete the relevant Service Record onthe Benchmark Checklist after each ser-vice.

The Benchmark Checklist will be requiredin the event of any warranty.

4 Operation


4 Operation

4.1 Operating concept

Op-eratorcontrolelement

Function

– Setting the hot water temperat-ure

– Cancelling the activation of anoperating mode

– Cancelling a change to a setvalue

– Going one selection levelhigher

– Setting the heating flow tem-perature

– Reading the system pressure– Activating the comfort mode– Activating the operating mode– Confirm setting– Going one selection level lower

+at thesametime

– Calling up the menu

or – Reducing or increasing the setvalue

– Scrolling through menu entries

The current function of the and but-tons is shown in the display.

Adjustable values are always displayed asflashing.

You must always confirm a change to avalue. Only then is the new setting saved.You can press to cancel a procedure atany time.

4.2 Basic display

50

The basic display shows the current condi-tion of the product. If you press a selection

button, the activated function is displayedin the display.

The functions that are available dependon whether a controller is connected to theproduct.

You can switch back to the basic displayby:

– Pressing to exit the selection levels– Not pressing any button for longer than

15 minutes.

If there is an error message present, thebasic displays switches to the error mes-sage.

4.3 Adjustment and display levels

The product has two adjustment anddisplay levels.

The end user level contains informationand setting options that you require as theend user.

The installer level is reserved for the com-petent person. It is protected by a code.Only competent persons may change anysettings in the installer level.

4.4 Cabinet-type casing

Enclosing the product in cabinet-type cas-ing requires compliance with the applic-able design instructions.

If you require cabinet-type casing for yourproduct, consult a heating specialist com-pany. Never, under any circumstances,enclose the product yourself.

4.5 Opening the isolator devices

1. Ask the competent person who in-stalled the product to explain to youwhere these isolator devices are loc-ated and how to handle them.

2. Open the gas isolator cock fully.3. Open the service valves in the heating

installation's flow and return.

Operation 4


Applicability: Product with connected domestic hotwater cylinder

▶ Open the cold water stop valve.

4.6 Starting up the product

▶ Only start up the product once the cas-ing has been completely closed.

4.7 Switching on the product

▶ Switch on the product via the mainswitch installed on-site.

4.8 Setting the heating flowtemperature

1. Press ( ).

◁ The target value of the heating flowtemperature appears on the display.

NoteThe competent person mayhave adjusted the maximumpossible temperature.

Conditions: No controller connected

▶ Use or to set the required heatingflow temperature.

▶ Confirm by pressing .

Conditions: Controller connected

▶ Set the maximum possible heating flowtemperature on the product.

▶ Confirm by pressing .▶ Set the required heating flow temperat-

ure on the controller (→ Controller oper-ating instructions).

4.9 Setting the hot watertemperature

Warning.Risk of being scalded by hotwater.

To protect against Legionella,the hot water can be heated upto above 60 °C at pre-definedtimes.

▶ Have a competent personinform you about the meas-ures that should be taken toprotect against Legionella inyour system.

1. Press ( ).

◁ The set hot water temperatureflashes in the display.

Conditions: No controller connected

▶ Change the hot water temperature bypressing or .

▶ Confirm by pressing .

Conditions: Controller connected

▶ Use to set the maximum possible hotwater temperature on the product.

▶ Confirm by pressing .▶ Set the required hot water temperature

on the controller (→ Controller operatinginstructions).

4.10 Switching off the product'sfunctions

4.10.1 Switching off heating mode(Summer mode)

1. To switch off heating mode withoutswitching off the hot water generation,press ( ).

◁ The value of the heating flow tem-perature appears in the display.

2. Use the button to set the heatingflow temperature to Off.

4 Operation


3. Confirm by pressing .

◁ Heating mode is switched off.◁ The symbol appears in the

display.

4.11 Guaranteeing the correctfilling pressure of the heatingsystem

4.11.1 Checking the filling pressureof the heating installation

NoteTo ensure that the heating installa-tion operates smoothly, the fillingpressure when the heating install-ation is cold must be between0.10 MPa and 0.20 MPa (1.0 barand 2.0 bar) or lie between thetwo dashed lines in the bar graphdisplay.

If the heating installation extendsover several storeys, a higher fillingpressure may be required for theheating installation. Ask a compet-ent person for details.

In addition, the symbol appearsafter approx. one minute.

If the filling pressure in the heatinginstallation falls below 0.05 MPa(0.5 bar), then the product switchesoff. The display alternates betweenthe fault message F.22 and thecurrent filling pressure.

1. Press twice.

◁ The values for the current fillingpressure and for the minimum andmaximum filling pressures appear inthe display.

2. Check the filling pressure in thedisplay.1 / 2System pressure: 0.10 … 0.20 MPa(1.00 … 2.00 bar)

The filling pressure is in the intendedpressure range.2 / 2Filling pressure: < 0.08 MPa(< 0.80 bar)▶ Fill the heating installation.

(→ )

◁ If you have topped up the install-ation with sufficient heating wa-ter, the display automatically dis-appears after 20 seconds.

4.11.2 Filling the heating installation

Caution.Risk of material damage dueto heating water that is ex-tremely calciferous or corros-ive or contaminated by chem-icals.

Unsuitable tap water damagesthe seals and diaphragms,blocks components in theproduct and heating installationthrough which the water flowsand causes noise.

▶ Only fill the heating install-ation with suitable heatingwater.

1. Ask a competent person where thefilling cock is located.

2. Connect the filling tap to a heating wa-ter supply in the way you were told bythe competent person.

3. Open all radiator valves (thermostaticradiator valves) of the heating installa-tion.

4. Open the heating water supply.5. Turn the filling cock on slowly and al-

low water to flow in until the requiredfilling pressure has been reached.

6. Close the heating water supply.7. Purge all radiators.

Troubleshooting 5


8. Check the filling pressure in thedisplay.

9. Top up with more water if necessary.10. Close the filling cock.11. Return to the basic display.

(→ Page 10)

4.12 Protecting the heatinginstallation against frost

4.12.1 Frost protection function

Caution.Risk of material damage dueto frost.

The frost protection functioncannot guarantee flow throughthe entire heating installation,which means that parts of theheating installation may freezeand therefore become dam-aged.

▶ During a period of frost, en-sure that the heating installa-tion remains in operation andthat all rooms are sufficientlyheated, even when you areaway.

NoteTo keep the frost protectiondevices active, you should switchyour product on and off using thecontroller, if one is provided.

If the heating flow temperature falls be-low 5 °C when the on/off button is on, theproduct comes into operation and heatsthe circulating water to approx. 30 °C onboth the heating side and the hot waterside (if available).

4.12.2 Draining the heatinginstallation

When the unit is switched off for an exten-ded period, frost protection can be guar-

anteed by completely draining the heatinginstallation and the product.

▶ Consult a competent person about this.

4.13 Switching the product tostandby mode

▶ Press the fault clearance key for lessthan three seconds.

◁ The display shows OFF and goesout.

◁ The product is now in standby mode.◁ The product's frost protection func-

tion is activated.◁ The main power supply is not inter-

rupted. The product continues to besupplied with power.

5 Troubleshooting

5.1 Detecting and rectifying faults

▶ If faults occur, proceed in accordancewith the table in the appendix.Troubleshooting (→ Page 16)

▶ If the fault cannot be eliminated usingthe specified measures or if fault mes-sages (F.xx) occur, contact a compet-ent person.

5.2 Calling up (Live monitor)status codes

▶ Press and at the same time.Status codes – Overview (→ Page 16)

◁ The current operating status (statuscode) is shown on the display.

6 Care and maintenance


6 Care and maintenance

6.1 Maintenance

An annual inspection of the product carriedout by a competent person is a prerequis-ite for ensuring that the product is perman-ently ready and safe for operation, reliable,and has a long working life.

6.2 Caring for the product

Caution.Risk of material damagecaused by unsuitable clean-ing agents.

▶ Do not use sprays, scouringagents, detergents, solventsor cleaning agents that con-tain chlorine.

▶ Clean the casing with a damp cloth anda little solvent-free soap.

6.3 Reading maintenancemessages

If the symbol is shown in the display, theproduct requires maintenance work.

The product is not in fault mode but contin-ues to operate.

▶ Consult a competent person about this.▶ If the water pressure is flashing at the

same time, simply add more heatingwater.

6.4 Checking the condensatedrain pipework and tundish

The condensate drain pipework and tun-dish must always be penetrable.

▶ Regularly check the condensate drainpipework and tundish for faults and,particularly, for blockages.

You must not be able to see or feel anyobstructions in the condensate drain pipe-work and tundish.

▶ If you notice a fault, have it rectified bya competent person.

7 Decommissioning

7.1 Temporarily decommissioningthe product

Caution.Risk of material damage dueto frost.

The frost protection and mon-itoring devices are only activewhile the unit is connected tothe power mains and switchedon via the on/off button, andwhen the gas isolator cock isopen.

▶ Temporarily decommissionthe product only if no frost isexpected.

▶ Temporarily decommission the productonly if no frost is expected.

▶ Switch off the product via the mainswitch installed on-site.

◁ The display goes out.

▶ When decommissioning the productfor a prolonged period (e.g. holiday),close the gas isolator cock and also, forcombination products, the cold waterstop valve.

7.2 Permanentlydecommissioning the product

▶ Have a competent person permanentlydecommission the product.

8 Recycling and disposal

▶ The competent person who installedyour product is responsible for the dis-posal of the packaging.

Guarantee and customer service 9


If the product is identified with thissymbol:

▶ In this case, do not dispose of theproduct with the household waste.

▶ Instead, hand in the product to a collec-tion centre for old electrical or electronicappliances.

If the product contains batteries thatare marked with this symbol, these bat-teries may contain substances that arehazardous to human health and the envir-onment.

▶ In this case, dispose of the batteries ata collection point for batteries.

9 Guarantee and customerservice

9.1 Guarantee

For information on the manufacturer'sguarantee, you can write to the contactaddress that is provided on the back page.

9.2 Customer service

To ensure regular servicing, it is stronglyrecommended that arrangements aremade for a Maintenance Agreement.Please contact Vaillant Service Solutionsfor further details:

Telephone: 0330 100 3461

Appendix


AppendixA Status codes – Overview

Status codes that are not listed here can be viewed in the installation instructions.

Statuscode

Parameter Meaning

Displays in heating mode

S.00 Heating: No heat demand Heating: No heat demand

S.02 Heating mode: Pump pre-run Heating mode: Pump pre-run

S.03 Heating mode: Ignition Heating mode: Ignition

S.04 Heating mode: Burner on Heating mode: Burner on

S.06 Heating mode: Fan overrun Heating mode: Fan overrun

S.07 Heating mode: Pump overrun Heating mode: Pump overrun

S.08 Heating mode: Anti-cycling timeHeating, remaining anti-cycling time xxmins

Displays in hot water handling mode

S.10 DHW demand Hot water requirement via flow sensor

S.14 DHW mode: Burner on DHW mode: Burner on

Displays in Comfort mode with warm start or hot water handling mode with cylinder

S.20 DHW demand Hot water requirement

S.22 DHW mode: Pump pre-run DHW mode: Pump pre-run

S.24 DHW mode: Burner on DHW mode: Burner on

Others

S.31 No heat demand: Summer mode Summer mode active

S.34 Heating mode: Frost protection Frost protection mode, frost protection

S.46 Waiting time: Measuring programComfort protection mode, flame loss atminimum load

B Troubleshooting

Fault Cause Measure

Product does notstart up:

– No hot water– Heating re-

mains cold

The gas isolator cock installed on-siteand/or the gas isolator cock on theproduct is closed.

Open both gas isolator cocks.

The power supply in the building is dis-connected.

Check the fuse in the building.The product switches on automat-ically when the power is restored.

The product is switched off. Switch on the product (→ "Switch-ing on the product" section).

The heating flow temperature is settoo low or to the Heating off position,and/or the hot water temperature is settoo low.

Set the heating flow temperat-ure and hot water temperature (→"Setting the heating flow temper-ature" section/→ "Setting the hotwater temperature" section).

Appendix


Fault Cause Measure

Product does notstart up:

– No hot water– Heating re-

mains cold

The system pressure is insufficient.Low water pressure in the heating in-stallation (fault message: F.22).

Fill the heating installation (→"Filling the heating installation"section).

There is air in the heating installation. Have your competent personpurge the heating installation.

After three unsuccessful attempts toignite the flame, the product switches tofault mode (fault message: F.28).

Press the fault clearance key forone second. The product makesanother attempt to ignite theflame.If you have been unable to elim-inate the ignition fault after threefault clearance attempts, consult acompetent person.

0020230534_01 10.10.2016

supplierVaillant Ltd.Nottingham Road Belper Derbyshire DE56 1JTTelephone 0330 100 [email protected] www.vaillant.co.uk

© These instructions, or parts thereof, are protected by copyright and may bereproduced or distributed only with the manufacturer's written consent.We reserve the right to make technical changes.

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