Operatinginstructions - Vaillant...Vaillant Ltd. Nottingham Road Belper Derbyshire DE56 1JT...

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Operating instructions

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Operating instructions

Publisher/manufacturer

Vaillant GmbH

Berghauser Str. 40 D-42859 Remscheid

Tel. +49 21 91 18‑0 Fax +49 21 91 18‑28 10

[email protected] www.vaillant.de

Contents

2 Operating instructions HOME 0020224356_00

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 CE label ......................................... 7

3.2 Serial number ................................ 7

3.3 Information on the identificationplate ............................................... 7

3.4 Product design............................... 8

3.5 Overview of the operator controlelements ........................................ 8

3.6 Description of the display............... 9

3.7 Description of button functions ...... 9

3.8 Operating levels........................... 10

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

4.1 Starting up the product ................ 10

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

4.3 Checking the heating systempressure....................................... 10

4.4 Filling the heating installation....... 11

4.5 Selecting the operating mode...... 11

4.6 Setting the hot watertemperature ................................. 11

4.7 Setting the heating flowtemperature ................................. 11

4.8 Product settings ........................... 12

4.9 Switching the product tostandby mode .............................. 12

4.10 Frost protection............................ 12

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

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

5.2 Fault codes in the display ............ 13

6 Care and maintenance .............. 13

6.1 Maintenance ................................ 13

6.2 Caring for the product .................. 13

6.3 Checking the condensate drainpipework and tundish................... 13

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

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

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

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

9 Guarantee and customerservice ........................................ 14

9.1 Guarantee.................................... 14

9.2 Customer service......................... 14

Appendix ............................................... 15

A Operator level – overview ......... 15

B Troubleshooting ........................ 15

Safety 1

0020224356_00 HOME 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 cent-

ral heating installations and forhot water 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 by skilledtradesmen 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.

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 electrical

switches, mains plugs, door-bells, telephones or other

communication 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 National Grid Transco+44 (0) 800 111999 by tele-phone from outside of thebuilding.

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.

1.3.5 Risk of death fromescaping flue gas

If you operate the product withan empty condensate siphon,flue gas may escape into theroom air.

Safety 1


▶ In order to operate theproduct, ensure that the con-densate siphon is always full.

1.3.6 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.

1.3.7 Risk of death due to lackof safety devices

A lack of safety devices (e.g.expansion relief valve, expan-sion vessel) can lead to poten-tially fatal scalding and otherinjuries, e.g. due to explosions.▶ Ask a competent person

to explain how the safetydevices work and where theyare located.

1.3.8 Risk of death dueto changes to theproduct or the productenvironment

▶ Never remove, bridge orblock the safety devices.

▶ Do not alter the safetydevices in any way.

▶ Do not damage or removeany seals on components.

▶ Do not make any changes:– The product itself

– to the gas, air, water andelectricity supplies

– to the entire flue gas install-ation

– to the entire condensatedrain system

– to the expansion relief valve– to the drain lines– to constructional condi-

tions that may affect theoperational reliability of theproduct

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.

1.3.10 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.

1 Safety


▶ Ensure that the supply ofcombustion air is always freeof fluorine, chlorine, sulphur,dust, etc.

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

1.3.11 Risk of materialdamage caused byfrost

▶ 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.

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 numberArticle num-ber

Gas CouncilNumber

HOME SYS-TEM 12 -A(H-GB)

0010019934 41-044-94


0010019935 41-044-95


0010019936 41-044-96


0010019937 41-044-97

These products are only designed for nat-ural gas systems.

3 Product description

3.1 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.

3.2 Serial number

The serial number is on the identificationplate on the underside of the product.

3.3 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

HOME SYS-TEM

Product description

XX, Gxx –xx mbar(x kPa)

Gas group and gas connec-tion pressure as set at thefactory

3 Product description


Informationon the identi-fication plate

Meaning

Cat. Approved gas category

Condensingtechnology

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

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

PMS Maximum water pressure inheating mode

PMW Maximum water pressure inhot water handling mode

V/Hz Electric 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

→ "CE label" section

Read the instructions.

→ "Recycling and disposal"section

GC no. Gas council number

3.4 Product design

1

1 Control elements

3.5 Overview of the operatorcontrol elements

1

2

34

5

1 Display2 button3 button

4 button5 button

Product description 3


3.6 Description of the display

1

2

3

1 Operating in-formation

2 Active operatingmode, selectingand confirmingthe operatingmode

3 Display showingthe current heat-ing flow temper-ature, the fillingpressure in theheating install-ation, the oper-ating mode or afault code

Symbol Meaning

Burner operating correctly

– Burner on

Heating installation fillingpressure

– Permanently on: Fillingpressure in the permittedrange.

– Flashing display: Fillingpressure is outside of thepermissible range or thepurging function has beenactivated.

DHW mode

– Permanently on: Hot wa-ter activated

– Flashing: Burner on whenthe domestic hot watercylinder is in reheatingmode

Hot water saving mode

– Hot water temperature <50 °C

– Normal operating temper-ature

Symbol Meaning

Heating mode

– Permanently on: Heatingmode activated

– Flashing: Burner on inheating mode

Display flashing:

– Switching on the product– Fault

Setting confirmed

/ Fault in the product

– Appears instead of thebasic display.

OFF – Appears when theproduct goes into standbymode.

3.7 Description of buttonfunctions

Button Meaning

– Selecting the operating mode– Confirm the operating mode– Confirm setting– Increase the display contrast

or – Setting the hot water temperat-ure

– Setting the heating flow tem-perature

– Increase or decrease the selec-ted setting

– Increase the display contrast

– Activate the product: On/off(standby)

– Reset the product

Adjustable values flash on the display.

You must confirm any change to a value.Only then is the new setting saved.

If you do not press any buttons for fiveseconds, the displays switches back tothe basic display.

If you do not press any buttons for oneminute, the display contrast decreases.

4 Operation


3.8 Operating levels

The product has two operating levels:

– The operator level shows the most im-portant information and offers set-upoptions which do not require any specialprior knowledge.

– Specialised knowledge is required in or-der to use the installer level (access forcompetent persons). This is thereforeprotected by an access code.

Operator level – overview (→ Page 15)

4 Operation

4.1 Starting up the product

4.1.1 Opening the isolator devices

Conditions: The competent person who installed

the unit will explain where the isolator devices are

and how to handle them.

▶ Ensure that the gas isolator cock is fullyopen.

▶ Ensure that the stop cocks in the heat-ing installation's flow and return areopen.

▶ Ensure that the cold water stop cock isopen.

4.1.2 Starting up the product

12

▶ Press the (2) button.

◁ When the unit is switched on, the"Basic display" is shown in thedisplay (1).

4.2 Basic display

The filling pressure in the heating installa-tion and the operating mode are shown inthe display's basic display.

To return to the basic display:

– Wait more than five seconds withoutpressing any buttons.

If a fault message is present, the basicdisplay switches to the fault code.

4.3 Checking the heating systempressure

1. Once a month, check that the pressurein the central heating system, whichis displayed on the user interface,is between 0.1 MPa and 0.15 MPa(1.0 bar and 1.5 bar).

◁ If the filling pressure is correct, noaction needs to be taken.

▽ If the filling pressure is too low, addmore water to the heating installa-tion.

NoteIf the heating flow temperatureis shown in the display, pressand hold the and buttonsat the same time for longer thanfive seconds, or temporarilydeactivate heating mode inorder to display the pressure.

2. Fill the heating installation. (→ Page 11)

Operation 4


4.4 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.

▶ In case of doubt, ask a com-petent person for details.

NoteThe competent person is respons-ible for filling the heating installa-tion the first time, any subsequenttop-ups and the water quality.

The operator alone is respons-ible for topping up the water in theheating installation.

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

2. Slowly open the filling cock, as shownto you by the competent person.

3. Fill with water until the required fillingpressure is reached.

4. Check the filling pressure in thedisplay.

5. Close the filling cock after filling.

4.5 Selecting the operating mode

NoteThe unit is always activated withthe preselected operating mode.

▶ Press repeatedly until the displayshows the required operating mode.

Symbol Operating mode

+Heating + hot water

Heating only

Hot water only

‒ No requirement

4.6 Setting the hot watertemperature

Conditions: The temperature is controlled via the

domestic hot water cylinder's thermostat.

▶ Set the hot water temperature on thecontroller.

NoteIf you press the or button,the display shows the sym-bol.

Conditions: The temperature is controlled via the

domestic hot water cylinder's temperature sensor.

▶ Set the hot water temperature on thecontroller.

4.7 Setting the heating flowtemperature

Conditions: Temperature controlled by the boiler,

with heating mode activated

▶ Set the heating flow temperature on theboiler (→ Page 12).

NoteThe competent person mayhave adjusted the maximumpossible temperature.

4 Operation


Conditions: Temperature controlled by the control-

ler, with heating mode activated

▶ Set the maximum heating flow temper-ature on the boiler (→ ).

▶ Set the room temperature on the con-troller.

◁ The actual heating flow temperatureis set automatically by the controller.

Conditions: Outside temperature sensor connected

to the boiler, with heating mode activated

▶ When you press the , or but-ton.

◁ The display shows the heating flowtemperature calculated by the boiler.

◁ The actual heating flow temperatureis set automatically by the boiler.

4.8 Product settings

NoteThe sequence in which the avail-able settings are shown dependson the operating mode selected.

If the Domestic hot water + Heat-ing operating mode is selected,the hot water temperature must beconfirmed in order to set the flowtemperature of the heating.

1. Press the or button to set the tem-perature.

2. Press the button to confirm.

4.9 Switching the product tostandby mode

▶ Press the button for less than threeseconds.

◁ Once the requirement currently inuse has finished, the display willshow OFF and go out.

◁ 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.

4.10 Frost protection

4.10.1 The product's frostprotection function

The frost protection function switches onthe boiler and the pump as soon as theprotection temperature in the heating cir-cuit is reached.

– Protection temperature: 12 ℃

The pump stops once the minimum wa-ter temperature in the heating circuit isreached.

– Minimum water temperature: 15 ℃

If the burner ignition temperature in theheating circuit is reached, the burnerswitch is switched on and continuesto operate until the burner anti-cyclingtemperature is reached.

– Burner ignition temperature: 7 ℃– Burner anti-cycling temperature: 35 ℃

The hot water circuit (cold and hot water)is not protected by the boiler.

Frost protection for the system can only beguaranteed by the boiler.

A controller is required to control the tem-perature of the system.

4.10.2 Frost protection for thesystem

NoteEnsure that the product's powerand gas supply are working cor-rectly.

Conditions: If you are away from home for several

days, Without controller

▶ Switch the product to standby mode.(→ Page 12)

Troubleshooting 5


Conditions: If you are away from home for several

days, With controller

▶ Program the number of days you willbe away in the controller to activate thefrost protection devices.

Conditions: If you are away from home for a pro-

longed period

▶ Contact a qualified competent person,who can completely drain the system orprotect the heating circuit by adding aspecial frost protection agent for heatinginstallations.

5 Troubleshooting

5.1 Detecting and rectifying faults

▶ If problems occur whilst operating theproduct, you can carry out certain self-checks with the aid of the table in theappendix.Troubleshooting (→ Page 15)

▶ If the product still does not functionwithout problems after the checks havebeen carried out using the table, con-tact your competent person to rectifythe problem.

5.2 Fault codes in the display

Fault codes have priority over all other dis-plays. If several faults occur at the sametime, the corresponding codes are dis-played alternately for two seconds each.

▶ If your product displays a fault code(F.xx), contact a competent person.

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 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 Decommissioning

7.1 Temporarily decommissioningthe product

▶ Temporarily decommission the productonly if there is no risk of frost.

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

◁ The display goes out.

▶ When decommissioning for an exten-ded period (e.g. holiday), you shouldalso close the gas isolator cock and thecold water stop cock.

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

– Two year guarantee

Vaillant provides this appliance with aparts and labour guarantee against defectsthat may occur within twenty-four monthsof the installation date. For the 2nd year ofthe guarantee to be valid an annual ser-vice must be carried out by a competentperson approved at the time by the Healthand Safety Executive one year after install-ation. The cost of this annual service is notincluded in the guarantee.

– Registering with us

Registration is simple. Just complete theGuarantee Registration Card and return toVaillant within 30 days of installation. Yourdetails will then be automatically registeredwithin the Vaillant scheme.

– Immediate help

If your Vaillant boiler develops a fault yourfirst action should be to contact your in-staller, as his professional assessment isneeded under the terms of our Guarantee.If you are unable to contact your installer,phone Vaillant Service Solutions: 08706060 777

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.

Vaillant Service Solutions: 0330 100 3461

Appendix


AppendixA Operator level – overview

Setting level Values Unit Increment, select Factory set-tingsMin. Max.

Heating installation

Pressure in the heating in-stallation

Current value bar 0.1

1 1.5

Heating flow temperature Current value ℃ 1 60

38 Presetin thesystem

B Troubleshooting

Fault Cause Measure

Product does notstart up:

– No hot water– Heating does

not heat up

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

Open both gas isolator cocks.

The cold water stop cock is closed. Open the cold water stop cock.

The power supply in the building is dis-connected.

Check the fuse in the build-ing. The product automaticallyswitches on after the powersupply is restored.

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

The heating flow temperature or hotwater temperature has been set toolow.

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

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

Fill the heating installation (→"Filling the heating installation"section).If the pressure drops frequently,contact your competent personabout this.

The system pressure is too high. Purge a radiator in order to re-duce the pressure in the heatinginstallation, or contact your com-petent person about this.

There is air in the heating installation. Purging the radiatorsIf the problem occurs again: In-form the competent person

Appendix


Fault Cause Measure

Product does notstart up:

– No hot water– Heating does

not heat up

After three successive failed ignitionattempts, the system switches to faultmode (fault code: F.28).

Press the button. The productcarries out a new ignition attempt.If the ignition problem is not rec-tified after three fault clearanceattempts, contact a competentperson.

Hot water gener-ation functioningcorrectly; heatingdoes not start up.

The external controller is not set cor-rectly.

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

0020224356_00 14.10.2015

Vaillant Ltd.

Nottingham Road Belper Derbyshire DE56 1JT

Telephone 0330 100 3461 Telephone (renewables) 0207 022 0928

Vaillant Service Solutions 0330 100 3461 Spares Technical Enquiries 01773 596615

[email protected] [email protected]

www.vaillant.co.uk

© These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only

with the manufacturer's written consent.

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