For the operator
Operating instructions
Operating instructions
uniSTOR
domestic hot water cylinder
GB, IE
Table of contents
Table of contents
1 Notes on the documentation ................................3
1.1 Other applicable documents ...................................3
1.2 Storing documents .....................................................3
1.3 Symbols used ...............................................................3
1.4 Applicability of the instructions .............................. 3
1.5 Cylinder identification plate ..................................... 3
1.6 CE label ......................................................................... 3
1.7 Benchmark ...................................................................3
2 Safety instructions ..................................................4
2.1 Safety and warning information .............................4
2.1.1 Classification of of action-related warnings ........4
2.1.2 Structure of warnings ................................................ 4
2.2 Intended use ................................................................4
2.3 Basic safety instructions ...........................................5
3 Description of the unit ............................................ 6
3.1.1 Safety devices .............................................................. 6
3.1.2 Hot water temperature regulation .........................6
3.1.3 Functional elements of cylinder ..............................6
4 Operation ..................................................................... 7
4.1 Setting the hot water temperature ........................7
4.2 Using the electric immersion heater .....................8
4.3 Switching off hot water production .......................8
4.4 Frost protection ...........................................................8
4.5 Cleaning the cylinder .................................................8
4.6 Temporarily taking the cylinder out of service ...8
4.7 Energy-saving tips ......................................................9
4.8 Fault finding .................................................................9
5 Inspection and maintenance ............................... 10
6 Recycling and disposal .......................................... 10
6.1 Disposal of unit .......................................................... 10
6.2 Disposal of packaging .............................................. 10
7 Customer service and manufacturer's
guarantee .....................................................................11
7.1 Vaillant service ............................................................11
7.2 Vaillant guarantee ......................................................11
8 Technical data ...........................................................12
2 Operating instructions for uniSTOR 0020111106_01
Notes on the documentation 1
1 Notes on the documentation
The following instructions are intended to guide you
through the entire documentation.
Further documents apply in combination with these
operating instructions.
We do not accept liability for any claims or damages
resulting from failure to observe these instructions.
1.1 Other applicable documents
> When operating the cylinder, observe all of the operating
instructions delivered with other system components.
These operating instructions are included with the individual components of the system.
1.2 Storing documents
> Store these operating instructions and all other appli-
cable documents in such a way that they are available
whenever required.
1.3 Symbols used
The symbols used in the text are explained below.
Symbol that denotes useful tips and
information
i
> Symbol for a required action
1.4 Applicability of the instructions
These instructions apply for the following only:
Unit type Cylinder volume Article number
VIH GB 120/2 S 120 litres 0020115403
VIH GB 155/2 S 155 litres 0020115406
VIH GB 180/2 S 180 litres 0020115409
VIH GB 210/2 S 210 litres 0020115412
VIH GB 260/2 S 260 litres 0020115415
VIH GB 310/2 S 310 litres 0020115418
Table 1.1 Applicability of the instructions
1.5 Cylinder identification plate
The identification plate is attached to the front of the
cylinder at the factory.
1.6 CE label
CE labelling shows that, based on the type overview, the
units comply with the basic requirements of the applicable directives.
– Low voltage directive (Council Directive 2006/95/EC)
– Electromagnetic compatibility directive (Council Directive
2004/108/EC)
1.7 Benchmark
Vaillant Ltd. supports the Benchmark Initia-
tive. You will find the Benchmark Logbook on
i
the last page of this instruction manual. It is
very important that this document be filled
out properly when installing, commissioning
and handing-over to the operator of the
installation. Installers should point out also
the service record section for completion following service calls to this appliance.
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 competent persons 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
Hot water Industry Council who manage and
promote the Scheme.
Visit “www.central heating.co.uk” for more
information
.
> The article number of the unit is displayed on the identi-
fication plate.
Operating instructions for uniSTOR 0020111106_01 3
2 Safety instructions
2 Safety instructions
2.1 Safety and warning information
When operating the system, observe the basic safety
instructions and the warning notes which appear before
each of the actions.
2.1.1 Classification of of action-related 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 sign Signal word Explanation
a
Danger!
Danger!
e
Warning!
a
Caution!
b
2.1.2 Structure of warnings
Warning signs are identified by an upper and lower separating line and are laid out according to the following
basic principle:
Signal word!
Type and source of danger!
a
Explanation of the type and source of danger.
> Measures for averting the danger
Imminent danger to life or risk
of severe personal injury
Risk of death from
electric shock
Risk of minor
personal injury
Risk of material or environmental damage
2.2 Intended use
Vaillant cylinders are constructed using state-of-the-art
technology in accordance with recognised safety regulations.
Nevertheless, there is still a risk of injury or danger of
death to the operator or others or of damage to the unit
and other property in the event of improper use or use
for which the unit is not intended.
Vaillant cylinders are not intended for use by persons
(including children) with physical, sensory or mental
impairments or who have inadequate experience and/or
knowledge, unless they are supervised by a person
responsible for their safety or have been given instructions by this person regarding the operation of the unit.
Children must be supervised to ensure that they do not
play with the unit.
Vaillant uniSTOR VIHGB120/2S, VIHGB155/2S,
VIHGB180/2S, VIHGB210/2S, VIHGB260/2S, and
VIHGB310/2S domestic hot water cylinders are
unvented, indirectly heated domestic hot water cylinders
designed for use with gas-fired wall-hung boilers as per
GB standards for hot water supply systems. The cylinders work with the pressure of the water supply line and
do not need a cold water tank for their supply.
They are exclusively for the provision of hot potable
water to a temperature of 80°C and must be used only
for this purpose. The cylinders can be used in combination with a downstream gas-fired wall-hung boiler for
hot water production in accordance with GB standards.
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. The manufacturer or supplier is not liable for any damage resulting from such use. The user
alone bears the risk.
Intended use includes the following:
– observance of accompanying operating, installation and
servicing instructions for Vaillant products as well as for
other parts of components of the system
– compliance with all inspection and maintenance
– conditions listed in the instructions.
Improper use of any kind is prohibited!
4 Operating instructions for uniSTOR 0020111106_01
2.3 Basic safety instructions
Installation, commissioning, and maintenance
Installation and adjustment as well as service, maintenance and repair must be carried out by a competent
person approved at the time by the Health and Safety
Executive and be in accordance with the relevant
requirements of the Local Authority, Building Regulations, Building Regulations (Scotland), Building Regulations (Northern Ireland), and the bye-laws of the local
Water Undertaking.
Cylinder safety information
This product has been assessed and found to comply
with the requirements of the Building Regulations for
unvented hot water storage systems and must not be
altered or modified in any way.
> In the event of parts replacement, use only genuine
spare parts supplied by Vaillant Ltd.
> You must also observe the guidelines of the local water
utility companies.
If the water does not meet the requirements of The
Water Supply (Water Quality) Regulations 2000 (Amendment) Regulations 2007, corrosion damage may occur
to the cylinder.
> Only use the cylinder to heat potable water.
Safety instructions 2
Preventing frost damage
You should not turn the gas-fired wall-hung boiler off
completely so that you can still use all of the safety
functions for your heating system. If you want to take
the unit out of operation for a relatively long period of
time in an unheated room at risk of frost, you must completely drain the cylinder.
Avoiding damage caused by leaks
If there are leaks in the pipework, close off the cold
water stop valve on the safety assembly and notify a
competent person so that they can rectify the leaks.
Preventing damage due to unauthorised changes
to the unit
Changes to the supply lines, relief valve termination, and
expansion relief valve may only be carried out by a competent person!
> The installed safety devices must always be used.
Avoiding damage resulting from the closing of the
expansion relief valve
Never shut off the expansion relief valve or relief valve
termination.
Operating instructions for uniSTOR 0020111106_01 5
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