Operatinginstructions - Vaillant

For the operator

Operating instructions

ecoFIT pure

412 - 435

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 0020230536_02

Contents

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

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

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

2 Notes on the documentation ...... 72.1 Observing other applicable

documents ..................................... 72.2 Storing documents......................... 72.3 Applicability of the instructions....... 73 Product description..................... 73.1 Front view ...................................... 73.2 Control elements............................ 73.3 Displayed symbols......................... 83.4 Information on the identification

plate ............................................... 83.5 Serial number ................................ 83.6 CE label ......................................... 93.7 Benchmark..................................... 94 Operation...................................... 94.1 Operating concept ......................... 94.2 Basic display................................ 104.3 Adjustment and display levels ..... 104.4 Cabinet-type casing ..................... 104.5 Opening the isolator devices ....... 104.6 Starting up the product ................ 104.7 Switching on the product ............. 104.8 Setting the heating flow

temperature ................................. 104.9 Setting the hot water

temperature ................................. 114.10 Switching off the product's

functions ...................................... 114.11 Protecting the heating installation

against frost ................................. 114.12 Switching the product to standby

mode............................................ 125 Troubleshooting ........................ 125.1 Detecting and rectifying faults...... 125.2 Calling up (Live monitor) status

codes ........................................... 12

6 Care and maintenance .............. 126.1 Maintenance ................................ 126.2 Caring for the product .................. 126.3 Reading maintenance

messages .................................... 126.4 Checking the condensate drain

pipework and tundish................... 137 Decommissioning...................... 137.1 Temporarily decommissioning

the product................................... 137.2 Permanently decommissioning

the product................................... 138 Recycling and disposal............. 139 Guarantee and customer

service ........................................ 139.1 Guarantee.................................... 139.2 Customer service......................... 13Appendix ............................................... 14A Status codes – Overview........... 14B Troubleshooting ........................ 14

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

Safety 1

0020230536_02 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 EmergencyService Provider+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.

2 Notes on the documentation

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 OV(H-GB)

0010020400 41-694-08

VU 156/6-3 OV(H-GB)

0010020401 41-694-09

VU 186/6-3 OV(H-GB)

0010020402 41-694-10

VU 256/6-3 OV(H-GB)

0010020403 41-694-11

VU 306/6-3 OV(H-GB)

0010020404 41-694-12

VU 356/6-3 OV(H-GB)

0010020405 41-694-19

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


Product description 33.2.1 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

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

Sym-bol

Meaning Explanation

Heating modeactive

– Permanentlyon: Heatingmode heatrequirement

– Flashing:Burner on inheating mode

Maintenance re-quired

Information onthe maintenancemessage in the"Live Monitor"

Summer modeactiveHeating mode isswitched off

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.

3.5 Serial number

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


4 Operation3.6 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 the Benchmark Scheme.Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s instructions by a competent person approved at the time by the Health and Safety Executive and that it meets the requirements of the appropriate Building Regulations.The Benchmark Checklist can be used to demonstrate compliance with Building Regulations and should be provided to the customer for future reference.Installers are required to carry out installation, commissioning and servicing work in accordance with the Benchmark Code of Practice which is available from the Heating and Hotwater Industry Council who manage and promote the Scheme.Benchmark is managed and promoted by the Heating and Hotwater Industry Council.


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.

For more information visit www.centralheating.co.uk


Operation 4You 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 selectionbutton, 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.

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 .


4 OperationConditions: 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.

3. Confirm by pressing .

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

display.

4.11 Protecting the heatinginstallation against frost

4.11.1 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.

Troubleshooting 5If 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).

4.11.2 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.

4.12 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 or fault messages are displayed (F.xx), proceed as set out in the table in the appendix. Troubleshooting (→ Page 14)

▶ If the product is not functioning cor-rectly, contact a competent person.

6 Care and maintenance

6.1 Maintenance

An annual inspection of the product carried out 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. After servicing, complete the relevant service interval record section of the benchmark checklist, located at the rear of the installation manual.

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.


5.2 Calling up (Live monitor)status codes

▶ Press and at the same time. Status codes – Overview (→ Page 14)

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

7 Decommissioning6.4 Checking the condensate

drain 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.

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.

Status code Meaning

Displays in heating mode

S.00 Heating: No heat demand

S.02 Heating mode: Pump pre-run

S.03 Heating mode: Ignition

S.04 Heating mode: Burner on

S.06 Heating mode: Fan overrun

S.07 Heating mode: Pump overrun

S.08 Heating, remaining anti-cycling time xx mins

Displays in cylinder charging mode (product with hot water generation through externaldomestic hot water cylinder)

S.20 Hot water requirement

S.22 DHW mode: Pump pre-run

S.24 DHW mode: Burner on

Other displays

S.31 No heat demand: Summer mode

S.34 Heating mode: Frost protection

S.46 Comfort protection mode, flame loss at minimum 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.

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 and hot watertemperature.

There is air in the heating installation. Have a competent person purgethe heating installation.


Appendix

Fault Cause Measure

Product does notstart up:

– No hot water– Heating re-

mains cold

After three unsuccessful ignition at-tempts, the product switches to faultmode (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.

There is a fault in the flue gas route. Have a competent person rectifythe fault.

Heating does notstart.

The external controller is not set cor-rectly.

Set the external controller cor-rectly (→ Controller operating in-structions).


0020230536_02 05.08.2019

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.

0020230536_02

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Operatinginstructions - Vaillant