Vaillant HOME SYSTEM 12 -A Manuel utilisateur

For the operator

Operating instructions

HOME

SYSTEM

GB, IE

Operating instructions

Publisher/manufacturer

Vaillant GmbH

Berghauser Str. 40 D-42859 Remscheid

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

[email protected] www.vaillant.de

Contents

2Operating 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 applicable

documents ..................................... 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 identification

plate ............................................... 7

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

3.5 Overview of the operator control

elements ........................................ 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 system

pressure....................................... 10

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

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

4.6 Setting the hot water

temperature ................................. 11

4.7 Setting the heating flow

temperature ................................. 11

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

4.9 Switching the product to

standby 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 drain

pipework and tundish................... 13

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

7.1 Temporarily decommissioning

the product................................... 14

7.2 Permanently decommissioning

the product................................... 14

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

9 Guarantee and customer

service ........................................ 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 warnings

The action-related warnings

are classified in accordance

with the severity of the pos-

sible danger using the following

warning signs and signal words:

Warning symbols and signal

words

Danger!

Imminent danger to life

or risk of severe personal

injury

Danger!

Risk of death from electric

shock

Warning.

Risk of minor personal

injury

Caution.

Risk of material or envir-

onmental damage

1.2 Intended use

There is a risk of injury or death

to the user or others, or of dam-

age to the product and other

property in the event of im-

proper use or use for which it

is not intended.

The product is intended as a

heat generator for closed cent-

ral heating installations and for

hot water generation.

Intended use includes the fol-

lowing:

–observance of the operating

instructions included for the

product and any other system

components

–compliance with all inspection

and maintenance conditions

listed in the instructions.

This product can be used by

children aged from 8 years

and above and persons with

reduced physical, sensory or

mental capabilities or lack of

experience and knowledge if

they have been given supervi-

sion or instruction concerning

use of the product in a safe way

and understand the hazards in-

volved. Children must not play

with the product. Cleaning and

user maintenance work must

not be carried out by children

unless they are supervised.

Any other use that is not spe-

cified in these instructions, or

use beyond that specified in this

document shall be considered

improper use. Any direct com-

mercial or industrial use is also

deemed to be improper.

Caution.

Improper use of any kind is

prohibited.

1 Safety

4Operating instructions HOME 0020224356_00

1.3 General safety

information

1.3.1 Installation by skilled

tradesmen only

The installation, inspection,

maintenance and repair of the

product, as well as the gas ratio

settings, must only be carried

out by a competent person.

1.3.2 Danger caused by

improper operation

Improper operation may present

a danger to you and others, and

cause material damage.

▶Carefully read the enclosed

instructions and all other ap-

plicable documents, particu-

larly the "Safety" section and

the warnings.

1.3.3 Risk of death from

escaping gas

What to do if you smell gas in

the building:

▶Avoid rooms that smell of

gas.

▶If possible, open doors and

windows fully and ensure

adequate 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 in

the building.

▶If it is safe to do so, close the

emergency control valve or

the main isolator.

▶If possible, close the gas isol-

ator cock on the product.

▶Warn other occupants in the

building by yelling or banging

on doors or walls.

▶Leave the building immedi-

ately and ensure that others

do not enter the building.

▶Notify the gas supply com-

pany or National Grid Transco

+44 (0) 800 111999 by tele-

phone from outside of the

building.

1.3.4 Risk of death due to a

blocked or leaking flue

gas pipe

What to do if you smell flue gas

in the property:

▶Open all accessible doors

and windows fully to provide

ventilation.

▶Switch off the product.

▶Inform a competent person.

1.3.5 Risk of death from

escaping flue gas

If you operate the product with

an empty condensate siphon,

flue gas may escape into the

room air.

Safety 1

0020224356_00 HOME Operating instructions 5

▶In order to operate the

product, ensure that the con-

densate siphon is always full.

1.3.6 Risk of death due to

explosive and flammable

materials

▶Do not use or store explosive

or flammable materials (e.g.

petrol, paper, paint) in the in-

stallation room of the product.

1.3.7 Risk of death due to lack

of safety devices

A lack of safety devices (e.g.

expansion relief valve, expan-

sion vessel) can lead to poten-

tially fatal scalding and other

injuries, e.g. due to explosions.

▶Ask a competent person

to explain how the safety

devices work and where they

are located.

1.3.8 Risk of death due

to changes to the

product or the product

environment

▶Never remove, bridge or

block the safety devices.

▶Do not alter the safety

devices in any way.

▶Do not damage or remove

any 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 lines

–to constructional condi-

tions that may affect the

operational reliability of the

product

1.3.9 Risk of injury and

material damage due to

maintenance and repairs

carried out incorrectly or

not carried out at all

▶Never attempt to carry out

maintenance work or repairs

on your product yourself.

▶Faults and damage should

be immediately rectified by a

competent person.

▶Adhere to the maintenance

intervals specified.

1.3.10 Risk of corrosion

damage due to

unsuitable combustion

and room air

Sprays, solvents, chlorinated

cleaning agents, paint, adhes-

ives, ammonia compounds,

dust or similar substances may

lead to corrosion on the product

and in the air/flue pipe.

1 Safety

6Operating instructions HOME 0020224356_00

▶Ensure that the supply of

combustion air is always free

of fluorine, chlorine, sulphur,

dust, etc.

▶Ensure that no chemical sub-

stances are stored at the in-

stallation site.

1.3.11 Risk of material

damage caused by

frost

▶Ensure that the heating in-

stallation always remains in

operation during freezing con-

ditions and that all rooms are

sufficiently heated.

▶If you cannot ensure the op-

eration, have a competent

person drain the heating in-

stallation.

Notes on the documentation 2

0020224356_00 HOME Operating instructions 7

2 Notes on the

documentation

2.1 Observing other applicable

documents

▶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 the

instructions

These instructions apply only to:

Product article number

Article num-

ber

Gas Council

Number

HOME SYS-

TEM 12 -A

(H-GB)

0010019934 41-044-94

HOME SYS-

TEM 15 -A

(H-GB)

0010019935 41-044-95

HOME SYS-

TEM 18 -A

(H-GB)

0010019936 41-044-96

HOME SYS-

TEM 25 -A

(H-GB)

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 products

comply with the basic requirements of the

applicable directives as stated on the iden-

tification plate.

The declaration of conformity can be

viewed at the manufacturer's site.

3.2 Serial number

The serial number is on the identification

plate on the underside of the product.

3.3 Information on the

identification plate

The identification plate is mounted on the

underside of the product in the factory.

The identification plate keeps record of

the country in which the product is to be

installed.

Information

on the identi-

fication plate

Meaning

Barcode with serial number

Serial number For quality control purposes;

3rd and 4th digits = year of

production

For quality control purposes;

5th and 6th digits = week of

production

For identification purposes;

7th to 16th digits = product

article number

For quality control purposes;

17th to 20th digits = place of

manufacture

HOME SYS-

TEM

Product description

XX, Gxx –

xx mbar

(x kPa)

Gas group and gas connec-

tion pressure as set at the

factory

3 Product description

8Operating instructions HOME 0020224356_00

Information

on the identi-

fication plate

Meaning

Cat. Approved gas category

Condensing

technology

Efficiency class of the boiler

in accordance with EC Dir-

ective 92/42/EEC

Type: Xx3(x) Permissible flue gas connec-

tions

PMS Maximum water pressure in

heating mode

PMW Maximum water pressure in

hot 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 range

in heating mode

Pnc Nominal heat output range

in heating mode (condensing

technology)

P Nominal heat output range

in hot water handling mode

Qn Nominal heating load range

in heating mode

Qnw Nominal heating load range

in 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 Control elements

3.5 Overview of the operator

control elements

1 Display

2button

3button

4button

5button

Product description 3

0020224356_00 HOME Operating instructions 9

3.6 Description of the display

1 Operating in-

formation

2 Active operating

mode, selecting

and confirming

the operating

mode

3 Display showing

the current heat-

ing flow temper-

ature, the filling

pressure in the

heating install-

ation, the oper-

ating mode or a

fault code

Symbol Meaning

Burner operating correctly

–Burner on

Heating installation filling

pressure

–Permanently on: Filling

pressure in the permitted

range.

–Flashing display: Filling

pressure is outside of the

permissible range or the

purging function has been

activated.

DHW mode

–Permanently on: Hot wa-

ter activated

–Flashing: Burner on when

the domestic hot water

cylinder is in reheating

mode

Hot water saving mode

–Hot water temperature <

50 °C

–Normal operating temper-

ature

Symbol Meaning

Heating mode

–Permanently on: Heating

mode activated

–Flashing: Burner on in

heating mode

Display flashing:

–Switching on the product

–Fault

Setting confirmed

/Fault in the product

–Appears instead of the

basic display.

OFF –Appears when the

product goes into standby

mode.

3.7 Description of button

functions

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 five

seconds, the displays switches back to

the basic display.

If you do not press any buttons for one

minute, the display contrast decreases.

4 Operation

10 Operating instructions HOME 0020224356_00

3.8 Operating levels

The product has two operating levels:

–The operator level shows the most im-

portant information and offers set-up

options which do not require any special

prior knowledge.

–Specialised knowledge is required in or-

der to use the installer level (access for

competent persons). This is therefore

protected 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 fully

open.

▶Ensure that the stop cocks in the heat-

ing installation's flow and return are

open.

▶Ensure that the cold water stop cock is

open.

4.1.2 Starting up the product

▶Press the (2) button.

◁When the unit is switched on, the

"Basic display" is shown in the

display (1).

4.2 Basic display

The filling pressure in the heating installa-

tion and the operating mode are shown in

the display's basic display.

To return to the basic display:

–Wait more than five seconds without

pressing any buttons.

If a fault message is present, the basic

display switches to the fault code.

4.3 Checking the heating system

pressure

1. Once a month, check that the pressure

in the central heating system, which

is 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, no

action needs to be taken.

▽If the filling pressure is too low, add

more water to the heating installa-

tion.

Note

If the heating flow temperature

is shown in the display, press

and hold the and buttons

at the same time for longer than

five seconds, or temporarily

deactivate heating mode in

order to display the pressure.

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

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