Bosch 15Ri ErP +, 9Ri ErP +, 21Ri ErP +, 24Ri ErP +, 12Ri ErP + User Instructions
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User instructions
6720813340-00.1Wo
Wall hung RSF gas fired condensing regular appliance
GREENSTAR Ri
For central heating systems
ErP +
These appliances are for use with :
Natural Gas or L.P.G.
(Cat. II 2H 3P type C13, C33 & C53)
Model GC Number
12Ri
15Ri
18Ri
21Ri
24Ri
12Ri
15Ri
18Ri
21Ri
24Ri
ErP +
ErP +
ErP +
ErP +
ErP +
ErP +
ErP +
ErP +
ErP +
ErP +
ErP +
ErP +
41-406-74
41-406-75
41-406-76
41-406-77
41-406-78
41-406-79
41-406-68
41-406-69
41-406-70
41-406-71
41-406-72
41-406-73
Natural Gas 9Ri
L.P.G. 9Ri
If you smell gas:
▶ Keep well away from the building: call the National Gas Emer-
gency
Service on 0800 111 999.
▶ L.P.G. appliances: Call the suppli er’s number on the side of the
gas tank.
6 720 821 669 (2018/06)
UK/IE
Preface
Preface
Dedicated to heating comfort
Thank you for purchasing a Worcester product. We pride
ourselves on manufacturing appliances to the strictest quality
control standards throughout every stage of production.
Worcester, Bosch group has led the field in innovative
appliance design and performance for over 50 years. This
heritage means all our products are of exceptional quality and
proven reliability.
Our products employ the latest technologies and they are
reliable, extremely energy efficient, offering you economical
running costs and value for money. They are amongst the top
energy rated appliances available.
There is also the reassurance of our parts and labour
guarantee. Our Customer Service team is here to help you get
the best from your Worcester product throughout its lifetime.
Whatever your enquiry, our specially trained team is available
at our Worcester based contact centre and online via the
website. For contact details see the back cover.
Contents
1 Key to symbols and safety instructions ................. 3
1.1 Key to symbols ....................................... 3
1.2 Safety precautions .................................. 4
2 General information ............................................ 5
2.1 Energy efficiency .................................... 5
2.2 Appliance identification and serial
number ..................................................5
2.3 Servicing ............................................... 5
2.4 Maintaining your appliance ....................... 5
2.5 Benchmark standard ............................... 6
2.6 User caution ........................................... 6
3 Prepare for operation .......................................... 7
3.1 Open vented heating systems ................... 7
3.2 Sealed heating systems ........................... 7
3.2.1 Checking the system pressure .................. 7
3.2.2 Constantly re-pressuring the system
pressure ................................................7
3.3 Topping up the system pressure ................ 8
4 Controls ............................................................. 9
4.1 Operating the appliance ......................... 10
4.1.1 Switching the appliance ON/Off .............. 10
4.1.2 Setting the appliance flow temperature .... 10
4.1.3 Turning the central heating off during
the summer ..........................................11
4.1.4 Appliance frost protection ...................... 11
5 Clearances and ventilation information .............. 12
5.1 Appliance clearances ............................. 12
5.2 Ventilation information .......................... 12
6 Malfunction or failure ........................................ 13
6.1 Fault finding ......................................... 14
6.2 Appliance reset ..................................... 15
6.3 Extreme cold weather ............................ 16
7 Environment protection/ disposal ...................... 16
8 Tips on energy saving ........................................ 17
9 Your guarantee ................................................. 18
9.1 Guarantee registration ........................... 18
10 Glossary ........................................................... 19
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1 Key to symbols and safety instructions
1
Key to symbols and safety instructions
1.1 Key to symbols
Warnings
Safety instructions in this document are
framed and identified by a
warning triangle which is printed on a grey
background.
The following keywords are defined and can be used in this
document:
• NOTICE indicates a situation that could result in damage to
property or equipment.
• CAUTION indicates a situation that could result in minor to
medium injury.
• WARNING indicates a situation that could result in severe
injury or death.
• DANGER indicates a situation that will result in severe
injury or death.
Important information
This symbol indicates important information
where there is no risk to people or property.
Additional symbols
Symbol Meaning
1. a numbered step in an action sequence
▶ a step in an action sequence
a reference to a related part in the document or to
other related documents
a reference number to identify or refer to a p art or
item
•a list entry
– a list entry (second level)
Table 1
Examples of additional symbols used
A numbered step in an action sequence
A sequence of numbered steps or actions carried out in a
specific order to complete a task.
1. First action
2. Second action
3. Third action
etc.
A step in an action sequence
A sequence of defined actions or steps carried out in order to
complete a task.
▶Action
▶Next action
▶etc
A reference to a related part in the document or to other
related documents.
To refer the reader to a specific figure/table/section within the
manual.
e.g. figure 1.
A reference number to identify or refer to a part or item.
In a related figure, items or parts identified by a sequential
number.
List entries, first and second levels
• A single component/item
• A component/list, made up of multiple parts/items.
– Sub component or sublist of main component/list.
–etc.
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Key to symbols and safety instructions
1.2 Safety precautions
Instructions for the target group:
These operating instructions are intended for the heating
system user.
All instructions must be observed. Failure to comply with
instructions may result in material damage and personal injury,
including possible loss of life.
▶ Read and retain the operating instructions (heat source,
heating controller, etc.) prior to operation.
▶ Observe the safety instructions and warnings.
If you smell gas:
A gas leak could potentia lly cause an explosion. If you smell gas,
observe the following rules.
▶ Prevent flames or sparks:
– Do not smoke, use a lighter or strike matches.
– Do not operate any electrical switches or unplug any
equipment.
– Do not use the telephone or ring doorbells.
▶ Turn off the gas at the meter or regulator.
▶ Open windows and doors.
▶ Warn your neighbours and leave the building.
▶ Prevent anyone from entering the building.
▶ Keep well away from the building: call the National Gas
Emergency Service on 0800 111 999.
▶ L.P.G. appliances: Call the supplier’s number on the side of
the gas tank.
Combustible and corrosive materials:
Chemically aggressive substances can corrode the appliance
and invalidate any guarantee.
• Do not store or use any combustible materials (paper,
thinners, paints, propellants, cleaning agents etc.) inside
the cupboard containing the appliance or within the vicinity
of the appliance.
Fittings and modifications:
Only a competent engineer can remove the appliance case an d
carry out any work, in accordance with the Gas Safety
(Installation and Use) Regulations.
• Do not remove the appliance case.
Any misuse or unauthorised modifications to the appliance,
flue or associated accessories and heating system will
invalidate the guarantee.
• Do not modify the appliance or flue system in any way.
Worcester, Bosch Group accepts no liability arising from any
such actions. This does not affect your statutory rights.
Safety of electrical devices for
domestic use and similar purposes:
The following requirements apply in
accordance with EN 60335-1 in order to
prevent hazards from occurring when
using electrical appliances:
“This appliance can be used by children
of 8 years and older, as well as by people
with reduced physical, sensory or
mental capabilities or lacking in
experience and knowledge, if they are
supervised and have been given
instruction in the safe use of the
appliance and understand the resulting
dangers. Children shall not play with the
appliance. Cleaning and user
maintenance must not be performed by
children without supervision.”
“If the power cable is damaged, it must
be replaced by the manufacturer, its
customer service department or a
similarly qualified person, so that risks
are avoided.”
Please read these instructions carefully
▶ These instructions are applicable to the Worcester, Bosch
Group appliance model stated on the front cover only.
▶ These instructions apply in the UK/IE only and must be
followed except for any statutory obligation.
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General information
6720821669-03.1Wo
1
2 General information
2.1 Energy efficiency
Energy efficiency information is given in the Installation,
Commissioning and Servicing Instructions supplied with the
appliance.
2.2 Appliance identification and serial number
The data label [1] contains information of the appliance model
and serial number. This is located in the indent on the bottom
panel.
Fig. 1 Data label location
For your own records
Please ensure that the Commissioning Checklist has been
completed by your installer or service engineer.
Model:
Serial number:
Date of installation:
Table 2 Appliance details
2.3 Servicing
Ensure that the service engineer completes
the Service Record in the Benchmark
Checklist after each service.
The Service Record can be found at the rear of the appliance’s
Installation and Maintenance Instructions. It will be required in
the event of any guarantee work and may be required by the
local Building Control Inspector.
▶ The appliance must be serviced regularly by a competent,
qualified person, such as a Worcester service engineer or
other Gas Safe registered engineer.
▶ Ensure that the service engineer completes the Service
Record, at the rear of the Installation and Maintenance
Instructions manual, after each service.
▶ Have any work carried out only by a competent, Worcester
service engineer or other Gas Safe registered engineer.
▶ Always use original spares, to help maintain the efficiency,
safety and reliability of the appliance.
2.4 Maintaining your appliance
Your new appliance represents a long term investment in a
reliable, high quality product.
Wipe the appliance casing with a soft clean cloth. Please do not
use chemical cleaning products which may damage the paint
finish.
In order to realise its maximum working life, and to ensure it
continues to operate at peak efficiency and performance, it is
essential that servicing and maintenance checks are performed
at least once a year by an competent engineer in accordance
with the current Gas Safe Regulations.
If you would like to know more about servicing options from
Worcester, Bosch Group, please visit worcester-bosch.co.uk.
Please tick the appropriate box on your warranty registration
card for further details of the Worcester, Bosch Group Service
Contract.
When your appliance requires servicing please contact a
Worcester, Bosch Group contact centre (see rear cover,
appointments).
In addition to the service contract we are pleased to offer a on eoff annual service or breakdown call out for your appliance.
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General information
Maintenance tips
• Appliances on a sealed heating system:
– Regularly check the system pressure.
• Do not obstruct the flue outlet or the air inlet.
• Use in hard water areas:
– In exceptionally hard water areas a device to prevent
scale formation may be fitted. Installation of a scale
inhibitor assembly should be in accordance with the
requirements of the local water company. An isolating
valve should be fitted to allow for servicing.
Important note:
▶If you have to add water regularly in your
heating system, call a competent,
qualified person.
2.5 Benchmark standard
The Benchmark initiative is a
code of practice to encourage
the correct installation,
commissioning and servicing of
domestic central heating
appliances and system
equipment.
A “checklist” is dispatched with every appliance and can be
found towards the back of the Installation, Commissioning and
Servicing Instructions. This is a vital document that needs to be
completed by the installer at the time of installation. It confirms
that the appliance has been installed and commissioned
according to the manufacturer's instructions.
The service record provides space for the recording of regular
servicing of the appliance/heating system and this can become
a valuable document when, for example, you wish to sell the
property. The service record will show a potential purchaser
that the heating system has received regular professional
maintenance and servicing during its lifetime.
The Benchmark initiative aims to:
• Raise standards among professional installers
• Build and maintain high safety standards in the industry
• Improve customer satisfaction levels
• Make a contribution to the nation's commitment to climate
change
2.6 User caution
• It is forbidden for any interference with the appliance other
than those actions allowed in this document.
CAUTION: Incorrect use
▶ Any incorrect use can result in danger to
the householder.
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