Vaillant HOME SYSTEM 12 -A, HOME SYSTEM 15 -A, HOME SYSTEM 18 -A, HOME SYSTEM 25-A Operating Instructions Manual
For the operator
Operating instructions
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
info@vaillant.de www.vaillant.de
HOME
SYSTEM
GB, IE
Contents
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
2 Operating instructions HOME 0020224356_00
Safety 1
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 possible 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 environmental damage
1.2 Intended use
There is a risk of injury or death
to the user or others, or of damage to the product and other
property in the event of improper 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 following:
– 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 supervision or instruction concerning
use of the product in a safe way
and understand the hazards involved. 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 specified in these instructions, or
use beyond that specified in this
document shall be considered
improper use. Any direct commercial or industrial use is also
deemed to be improper.
Caution.
Improper use of any kind is
prohibited.
0020224356_00 HOME Operating instructions 3
1 Safety
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 applicable documents, particularly 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, doorbells, 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 telephone 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.
4 Operating instructions HOME 0020224356_00
Safety 1
▶ In order to operate the
product, ensure that the condensate 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 installation 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, expansion vessel) can lead to potentially 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, adhesives, ammonia compounds,
dust or similar substances may
lead to corrosion on the product
and in the air/flue pipe.
0020224356_00 HOME Operating instructions 5
1 Safety
▶ 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 installation site.
1.3.11 Risk of material damage caused by frost
▶ Ensure that the heating in-
stallation always remains in
operation during freezing conditions and that all rooms are
sufficiently heated.
▶ If you cannot ensure the op-
eration, have a competent
person drain the heating installation.
6 Operating instructions HOME 0020224356_00
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