Greenstar boilers from Worcester. Making a positive difference to your life,

Greenstar boilers from Worcester. Making a positive difference to your life,
Greenstar gas-fired condensing
boilers from Worcester.
Making a positive difference to your life,
your fuel bills and the environment.
1
The comfort of knowing that every
Worcester Greenstar boiler can save
you money.
By appointment to
Her Majesty The Queen
Boiler Manufacturer
Worcester, Bosch Group T/A
Bosch Thermotechnology Ltd.
For the third year running, in the 2013 survey of Which? members who own a boiler,
no other brand beat the Worcester Greenstar range of gas-fired condensing boilers for
efficiency and reliability. This is why all of the boilers tested from the Greenstar range
qualify to be a Which? Best Buy.
In addition to receiving Best Buy recommendations, the latest Which? report also praised
the Worcester, Bosch Group brand after sales service which came top for the fifth
consecutive year.
Call 0330 123 9339 or visit www.worcester-bosch.co.uk to find out more.
2
Worcester is a market leader in high efficiency, condensing
boiler technology and all of our products are designed to
deliver reliable and efficient heating and hot water comfort.
Our Greenstar range of gas-fired and LPG condensing
boilers can help reduce your fuel bills and your carbon
footprint. We are also leading the way in environmentallyfriendly heating and hot water production through
our commitment to developing innovative renewable
energy solutions.
Inside this brochure, you will find all you need to know
about the Worcester options available and how we can help
make it easy for you and your qualified installer to find the
right boiler for your home and lifestyle.
Contents
Page
Wherever you live, Worcester keeps it feeling like home.
4
Worcester. Trusted for half a century.
5
If your heating system is over 10 years old, it’s not as efficient as it could be.
6-7
Which type of condensing boiler is right for you?
8-9
The all-new Greenstar CDi Compact.
11
Greenstar condensing boiler range.
13-19
Heating control options.
20-23
Greenstore unvented hot water storage cylinders.
24-25
Worcester CondenseSure and Greenstar System Filter.
26
Greenstar gas-fired boiler technical overview.
27
Greenstar Plus – Hybrid.
29
Even more ways of providing heating and hot water comfort to you.
30
Worcester. At your service.
32-33
We’re as committed to the environment as we are to our customers.
34-35
3
Wherever you live, Worcester
keeps it feeling like home.
It only feels like home if it’s warm and comfortable
Which is why the boiler you choose is so important.
With Worcester, you have a boiler you can rely on year in, year out. As part of the Bosch
Group, our products are designed and built to exacting standards, and constructed with
only the highest quality materials, to provide the levels of quality and reliability which
are synonymous with the Bosch name throughout the world. Every boiler is rigorously
tested before it leaves the factory, to ensure that it is fit for everyday use and meets
our customer requirements.
So with annual maintenance, a Worcester condensing boiler will provide you and your
family with warmth, comfort and all-important peace of mind for many years.
Product testing at Worcester.
The Robert Bosch Foundation
As part of the Bosch Group, a percentage of the profits made by Worcester is donated to charities and good causes by
the Robert Bosch Foundation, a non-profit charitable trust. 92% of Bosch Group shares are held by the Robert Bosch
Foundation, helping the organisation as a whole to focus on long term activities, rather than concentrating on share
dividends. It means that you won’t see any companies associated with the Bosch Group on any stock markets. Since its
founding in 1964, the Robert Bosch Foundation has spent £757 million on funding for social improvement initiatives.
4
Worcester. Trusted for
half a century.
Worcester is the choice of millions of quality- and
a part of the Bosch Group – one of the world’s
value-conscious households all over the UK – and
leading names in innovative technology.
it’s the choice of the heating industry too.
Today, many years and millions of boilers later,
And a recent Worcester customer satisfaction
Worcester is a market leader in domestic heating
survey revealed that 9 out of 10 professional
and hot water appliances. The company employs
installers would choose Worcester for their
over 1,500 people at our headquarters and
own homes. This gives you the reassurance of
manufacturing plants in Worcester and at Clay
knowing that when you invest in a Worcester
Cross in Derbyshire – including a nationwide
product, its quality is endorsed by the
network of over 300 directly employed Service
professionals.
Engineers and over 40 technical advisors based
at Worcester.
Quality is the bedrock of the Worcester brand
Since 1962, when Worcester pioneered domestic
All of this makes Worcester a name that stands
oil-fired boilers, the company’s commitment to
for reliability, quality, efficiency and value for
excellence hasn’t changed. And that commitment
money; a name you can trust.
has only strengthened since Worcester became
Worcester, Bosch Group
headquarters in Worcester.
5
If your boiler is over 10 years
old, it could be time to consider
replacing it with a new model.
6
Why should I consider changing my boiler?
Changes to the Building Regulations in recent years mean
It’s surprising but true; older boilers can be as little
that in virtually all new and replacement boiler installations†
as 60% efficient and even many comparatively modern
a high-efficiency condensing boiler must be used.
boilers are still only 70-75% efficient. Compare that
to Worcester Greenstar condensing boilers which
Your home’s energy rating
are more than 90% efficient.
The Energy Performance Certificate (EPC) is required by
anyone selling a home. It rates a home’s energy efficiency,
Put another way, with our condensing boilers, more than
giving potential buyers an idea of how green, or how
90p of every £1 you spend on fuel for your boiler is used
costly, their new home will be. It is widely recognised
effectively for your heating and hot water.
that installing a high-efficiency condensing boiler will
improve your home’s rating. Some Greenstar gas-fired
What makes a condensing boiler so efficient?
boilers are also compatible with a Greenstar Plus –
Condensing boilers work by recovering the waste
Hybrid system.
heat which is expelled through the flue system of a
non-condensing boiler and passing it through a second
One more way to help improve the energy-efficiency rating
heat exchanger where it extracts additional heat.
of your home, and to significantly reduce your fuel bills
and carbon dioxide emissions, is to install a solar water
This is why it makes such good sense to switch to an
heating system. All Greenstar regular and system boilers
award-winning Worcester boiler. With a boiler that’s 10
can be used with a Worcester Greenskies solar water
years old or more, which doesn’t have the benefit of today’s
heating system to generate your hot water (see page 30).
condensing technology, as much as 30%* spent on fuel
Depending on the positioning of the solar panels, they
for your heating and hot water is wasted. It could make a
could provide up to 60%†† of your annual hot water, free
big difference to your household energy bills. The recent
of charge from a clean, renewable source of energy.
upward trend in fuel prices could mean that even bigger
Look for the
savings are possible when you upgrade your heating
solar compatible.
symbol to indicate boilers which are
system. This will not only save you money, but also help to
reduce your carbon footprint at the same time.
Worcester Energy Houses
Worcester’s Energy Houses are real-life case studies
Combine a new Greenstar boiler with the latest in digital
which show the difference that switching to Worcester
and intelligent heating controls and you can make your
products can make to your bills, your lifestyle and the
money go even further.
environment. You can see how we could help you
reduce your energy consumption by visiting
Measure
Condensing boiler and
heating controls upgrade
Annual
saving (£/yr)
CO2 saving
a year
Around £300**
Up to 1,100kg
www.worcester-bosch.co.uk/energyhouses
*Source: Energy Saving Trust. †Exceptions can apply. ††Energy Saving Trust (Publication CE102).**Source: Energy Saving Trust. Based on replacing a
G-rated gas-fired boiler with a new A-rated gas-fired condensing boiler and full set of heating controls in a typical 3 bedroom semi-detached home.
7
Which type of condensing boiler
is right for you?
It’s so simple to make your mind up
The lifetime of your boiler
Every household is different, so the heating and
All Worcester Greenstar gas-fired boilers are engineered to
hot water needs of someone living in an apartment will
last – meaning you can think ahead about how your heating
be very different from those with a large family home –
and hot water needs may change. Whether you have a
our Greenstar range is available in three boiler types:
growing family or are thinking about adding solar water
‘combi’, regular and system.
heating in the future, you can choose the right Greenstar
boiler now, secure in the knowledge that it will still be
Each of the three types of boiler delivers all the benefits
performing if your circumstances change.
of high-efficiency technology, so you just need to weigh
up which suits your needs, the size of your home and your
Guarantees and spare parts
lifestyle and it’s easy to come to a decision on what’s
All Worcester Greenstar gas-fired
best for you.
boilers come with a 2 year* guarantee
as standard and a 10 year* guarantee
on the primary heat exchanger.
The easy way to choose
It’s important that you find out as much as you can before
you decide on the boiler that’s right, so why not try the
helpful ‘find a boiler’ tool you’ll find on our website at
For added peace of mind, we also
www.worcester-bosch.co.uk/findaboiler
hold spares for our boilers for at
least 10 years after they have
been discontinued.
Alternatively you can call our customer helpline on
0330 123 3366. It is also essential that you consult your
Gas Safe registered engineer or installer to help advise you
on what boiler is most suitable for your property.
Considerations for choosing a new boiler
Consideration
Most suitable boiler
You want to use your loft space
for a room conversion
or other purpose
Combi or
System (unvented cylinder)
You live in a flat or bungalow
(i.e. have very little
or no roof space)
Combi or
System (unvented cylinder)
Your home has more
than 2 bathrooms
Regular, System or
floor standing Combi
Your mains water
pressure is low
Regular or System
You want to replace an old
boiler to improve an existing
conventional central heating system
There is a need to have hot water
available on tap without waiting
for it to heat up
Combi, Regular or System
Combi
If you need to discuss your boiler requirements,
call our customer helpline on 0330 123 3366
8
*Terms and conditions apply.
What is a ‘combi’ boiler?
A ‘combi’ or combination boiler is a high efficiency water
heater and a central heating boiler combined (hence the name)
within one compact unit. Water is heated directly from the
mains eliminating the need for a hot water storage cylinder and
the associated cold water storage cistern in the roof space.
Because your hot water is delivered to your taps or shower at
Hot water to baths,
showers and basins
mains pressure it’s very convenient and can save on your hot
water costs. As an added benefit, showers from a ‘combi’ can
be comparable with the performance of a power shower.
Room
thermostat
Worcester
combi boiler
with programmer
So a ‘combi’ can also give you a little extra room to play with,
Kitchen and
appliances
making it ideal for a flat or a bungalow with very little or no
roof space and it’s also the right choice if you want to use your
loft space for a room conversion. Another ‘combi’ benefit is
Cold
mains
Combi boiler layout
that it can generally save you money on installation time and
costs as well as installation materials.
What is a regular boiler?
Worcester Greenskies
solar thermal panels
Regular boilers – sometimes referred to as traditional or
conventional boilers – are suitable for homes that already
Feed and
expansion
cistern
have a traditional heating and hot water system that requires
a separate hot water cylinder. Regular boilers also require
Cold water
storage cistern
a cold water storage cistern to feed the hot water cylinder
and an expansion cistern in the loft. They are a good option
for any home where a large volume of stored hot water is
required e.g. homes with two or more bathrooms, or in areas
Hot water cylinder
Hot water to
baths, showers
and basins etc
Room
thermostat
where the water pressure is low. A regular boiler may be the
best option when replacing an existing boiler in a property
with an old radiator system which might not be able to cope
Worcester
regular boiler
with programmer
with the higher pressure of a combi system. Regular boilers
are compatible with solar water heating systems to bring you
the added benefits of environmentally friendly hot water and
Regular boiler layout and solar water heating system
further cost savings.
What is a system boiler?
Both a system boiler and a regular boiler work on the principle
Worcester Greenskies
solar thermal panels
of stored hot water – but a system boiler is different in two
important ways. Firstly, many of the components of the heating
and hot water system are built into the boiler itself, making
it quicker and easier to install. Secondly, it doesn’t need a
feed and expansion vessel in the loft. There are two kinds
of cylinder which this type of system may have – a mains
pressure hot water cylinder or a low pressure hot water
Hot water cylinder
Hot water to
baths, showers
and basins etc
cylinder. They are also compatible with solar water heating
Room
thermostat
systems to bring you the added benefits of environmentally
friendly hot water and reduced hot water and heating costs.
Worcester
system boiler
with programmer
Cold mains
Worcester offers a range of Greenstore
unvented hot water cylinders for use with
System boiler layout and solar water heating system
Greenstar regular and system boilers.
(System boiler with unvented hot water cylinder)
See pages 24-25 for details.
Drawings are for illustrative purposes only.
9
NEW
The CDi Compact’s dimensions
allow it to be installed inside a cupboard.
10
The all-new Greenstar CDi Compact.
CDi performance, compact design.
The Worcester Greenstar CDi Compact
At the forefront of the CDi Compact design
combi series, with domestic hot water flow
is the feedback that Worcester has gathered
rates of 11.4, 13.1 and 14.7 l/min, is our
from both installers and homeowners. Its
next generation of innovative, wall-mounted
standard kitchen cupboard dimensions,
gas combi boilers. The Greenstar CDi
a unique wall mounting jig, practical
Compact is an addition to our top-of-the-
hydraulic unit and simple-to-use intelligent
range CDi boiler series and is suitable for
controls are just some of the new features
small, medium and large-sized properties
manufactured purely with our customers
with one or two bathrooms.
in mind.
The CDi Compact comes with a host of
design features that makes the boiler easy
to site, simple to install and effortless to
use and service.
Advanced, easy-to-use controls
The Greenstar CDi Compact has a new in-built boiler display, to give both the installer and
homeowner a vast range of features that allow the heating system to be as efficient and
flexible as possible.
Combi Pre-heat mode – With the Domestic Hot Water Combi Pre-heat Accessory, the CDi
Compact intelligent control allows the boiler to accept pre-heated water at temperatures
of up to 60°C* from a secondary source such as Greenskies solar thermal.
ECO mode – When set to ECO mode, the CDi Compact will use less gas or LPG, as the
energy will only be used on demand, allowing for energy-saving fuel consumption.
Comfort mode – All Greenstar combi boilers have an in-built ‘keep hot or pre-heat’ facility
Desired central heating
and domestic hot water
temperatures can be easily
read and adjusted.
which will keep the primary water within the heat cell hot. This ensures that hot water is
delivered instantaneously to an opened outlet.
Optional plug-in controls – With front-access easy-wiring, the Greenstar CDi Compact
is also compatible with all Worcester on/off and intelligent controls options. Third party
heating controls may also be used.
*At a temperature rise of 35ºC to the incoming water mains.
11
Greenstar CDi Classic condensing combi boiler.
12
Greenstar condensing combi boiler range.
Wall mounted
Greenstar 29CDi Classic, 34CDi Classic, 38CDi Classic and 42CDi Classic series
Central heating outputs: All models – 30kW
Hot water flow rates: from 12.3 to 17.2 litres per minute* at 35ºC temperature rise
• Our ‘top-of-the-range’, award-winning, wall mounted combi series has just got better.
CDi Classic appliances offer a wide choice of operating features for greater user comfort
and economy with their higher central heating outputs and increased hot water flow rates
NEW
• The higher output CDi Classic combis can be suitable for larger two bathroom properties
• CDi Classic appliances condense in both heating and hot water modes for even greater
efficiency and fuel savings
• They also feature a modulating pump which uses up to 30% less electricity to run than a
non-modulating pump
• An extensive choice of controls is available for use with CDi Classic combis, including
sophisticated intelligent controls which provide the ultimate in user convenience,
performance and economy
• All CDi Classic appliances come with in-built frost protection and filling link.
Greenstar 28CDi Compact, 32CDi Compact and 36CDi Compact series
Central heating outputs: All models – 24kW
Hot water flow rates: from 11.4 to 14.7 litres per minute* at 35ºC temperature rise
• Our smallest combi boiler, the CDi Compact can be installed in a wide range of locations,
^
including inside a standard kitchen cupboard
• Despite their compact size, the CDi Compact combis’ high outputs can make them
NEW
suitable for larger properties with perhaps a bathroom and an en-suite
• CDi Compact appliances condense in both heating and hot water modes for greater
efficiency and savings on fuel
• The CDi Compact’s modulating pump uses up to 30% less electricity to run than a normal
circulating pump
• An innovative new heat exchanger design and advanced manufacturing technology
results in higher efficiency, greater reliability and durability
• Large easy-to-read, user-friendly displays
• Full range of optional controls is available for use with CDi Compact combis, including
sophisticated intelligent controls for maximum user convenience and comfort
• All CDi Compact appliances come with in-built-frost protection and filling link.
For compatible optional controls see pages 20-23.
Greenstar CDi Classic and CDi Compact boilers are compatible with
the Greenstar Plus – Hybrid system. For more information see page 29.
We always recommend you consult a qualified Gas Safe installer prior to choosing your boiler.
*Provided adequate mains pressure is available. ^Solar compatible with the use of the Domestic Hot Water Combi Pre-heat Accessory.
13
Greenstar Si Compact condensing combi boiler.
14
Greenstar condensing combi boiler range.
Wall mounted
Greenstar 25Si Compact and 30Si Compact series
Central heating outputs: Both models – 24kW
Hot water flow rates: 10.2 and 12.3 litres per minute* at 35ºC temperature rise
• Si Compact combis are suitable for apartments and small- to medium-sized
1 bathroom properties
• Si Compact combis allow the hot water temperature to be controlled and can be used
with a wider range of optional mechanical, digital and wireless programmers
NEW
• Si Compact combis can be installed in a variety of locations, including kitchen cupboards,
utility rooms, bathrooms, airing cupboards, lofts or garages
• All Si Compact appliances come with in-built frost protection.
Greenstar 24i Junior and 28i Junior series
Central heating outputs: Both models – 24kW
Hot water flow rates: 9.8 and 11.4 litres per minute* at 35ºC temperature rise
• Our entry level wall-mounted combi boiler range for smaller 1 bathroom properties
• i Juniors now feature hot water temperature control
• Compact in size, i Junior combis can be installed in a number of locations
and can be used with a choice of mechanical, digital and wireless programmers
NEW
• All i Junior appliances come with in-built frost protection.
Floor-standing
Greenstar Highflow 440CDi and 550CDi series
Central heating outputs: 29.2 and 30.6kW
Hot water flow rates: 20 and 25 litres per minute*^ at 35ºC temperature rise
• A choice of two floor-standing combis which have been developed specifically for larger
2 bathroom properties where there is a heavier requirement for heating and hot water
• Highflow CDi combis incorporate many of the operating features of our wall-mounted
combis and can be used with mechanical, digital, wireless and intelligent controls
•
• Built-in condensate pump – up to 4.5 metres head
• Comes complete with a floor mounted pre-plumbing jig.
All Highflow appliances come with in-built frost protection and filling link
For compatible optional controls see pages 20-23.
Greenstar Si Compact and Greenstar i Junior boilers are compatible with the
Greenstar Plus – Hybrid system. For more information see page 29.
We always recommend you consult a qualified Gas Safe installer prior to choosing your boiler.
*Provided adequate mains pressure is available. ^Dependent on volume of hot water being delivered to taps. Refer to your installer.
15
Greenstar i System condensing system boiler.
16
Appliance shown with pipework behind trunking.
†
Greenstar condensing system boiler range.
Wall mounted
Greenstar 30CDi Classic System
Central heating output: 30kW
• Our top-performing system boiler for bigger properties with a larger heating requirement
• For added user comfort and economy, the 30CDi System can be used with a choice of
digital controllers*
• Single-button holiday mode and frost protection
• When combined with our new generation of intelligent controls and Greenskies solar,
further savings are achieved.
Greenstar 12i, 15i, 18i, 24i, 27i and 30i System series
Central heating outputs: 12, 15, 18, 24, 27 and 30kW
• With their compact, space-saving dimensions, i System appliances are a good option for
small- to large-sized properties with a heating system which includes stored hot water
• A choice of optional digital controls is available for use with all models in the series*
• Built-in pump, expansion vessel, pressure gauge and pressure relief valve
• Plug-in optional diverter valve
• When combined with our new generation of intelligent controls and Greenskies solar,
further savings are achieved.
For information on Worcester Greenstore hot water storage cylinders see pages 24-25.
For compatible optional controls see pages 20-23.
Greenstar CDi System and i System boilers are compatible with the
Greenstar Plus – Hybrid system. For more information see page 29.
We always recommend you consult a qualified Gas Safe installer prior to choosing your boiler.
*Provided the optional internal diverter valve is used. †Greenstar 27i & 30i System not included for 2013 Which? Survey.
17
Greenstar FS CDi condensing regular boiler.
18
†
Greenstar condensing regular boiler range.
Wall-mounted
Greenstar 30CDi and 40CDi Classic Regular series
Central heating outputs: 30 and 40kW
• Impressive heating outputs make CDi Regular boilers an excellent
choice for installation in larger properties
• Our top-performing, wall-mounted regular boiler with fascia-mounted
heating temperature control knob and operational status display.
Greenstar 12Ri, 15Ri, 18Ri, 24Ri, 27Ri and 30Ri series
Central heating outputs: 12, 15, 18, 24, 27 and 30kW
• There is an Ri appliance suitable for small, medium and larger properties
• Smaller output Ri appliances have a fascia-mounted heating temperature control knob
and neon operational status indicators
• Can be installed within kitchen cupboard
• Compatible with solar thermal systems
• Optional fascia controls available for 27 and 30kW models*
• Built-in frost protection.
Floor standing
Greenstar 30FS CDi and 40FS CDi Regular series
Central heating outputs: 30 and 40kW
• FS CDi Regular appliances are the ideal choice when replacing an older floor-standing
boiler in a larger property or when a wall-mounted boiler is not an option
• The FS CDi Regular is compatible with the new flexible flue system which enables the
flue to be routed through an existing brick chimney
• FS CDi Regular appliances have a fascia-mounted heating temperature control knob
and operational status display.
For information on Worcester Greenstore hot water storage cylinders see pages 24-25.
We always recommend you consult a qualified Gas Safe installer prior to choosing your boiler.
*Providing the new Greenstar Wiring Centre is used. †Greenstar 27Ri & 30Ri not included for 2013 Which? Survey.
19
Efficiency that today’s energy-conscious
homeowner demands.
Over the last few years, boilers have become increasingly
Control options
efficient and, with condensing boilers already offering
Worcester can offer you three different types of control
typical efficiencies of over 90%, there is little scope for
for use with ‘combi’ and system boilers. These range
significant developments in boiler efficiency.
from simple-to-operate mechanical timers and more
But the one area of the system where we can help improve
performance even further is in the controls.
More effective controls can improve the overall performance
of your heating system, dramatically reducing the amount of
fuel you use – and the amount you pay.
sophisticated digital programmers and room thermostats,
right up to a new generation of intelligent controls.
Whichever you choose, you can rest assured that it is
designed to be easy-to-use to make sure you get the benefit
of being in full control of your heating and hot water.
For further information on each of these controls
please visit www.worcester-bosch.co.uk
Heating controls – what are the differences?
The majority of heating systems have at least two controls: a timer clock or programmer
and room thermostat. In fact, this is the minimum level of electrical controls specified by
the Building Regulations for the installation of all boilers and is a legal requirement.
• A timer or programmer operates the heating system to turn on for set periods of time.
Dial and digital controls can be either wall-mounted near to the boiler or attached to
the fascia panel of the boiler. It will take at least 30 minutes for your home to reach
the desired temperature when the boiler fires up, depending on insulation levels and
the outside temperature. The main difference between the two controls is a timer will
operate the system at the same times every day whilst a programmer allows different
heating times for different days of the week to suit your lifestyle.
• A room thermostat controls the air temperature and is usually positioned in the hall or
landing. The thermostat can be analogue or digital. It should be sited away from direct
sunlight and clear of curtains and furniture. As a guideline, your thermostat should be set
between 18ºC-21ºC for comfort temperature and 10ºC-12ºC for economy temperature.
• A programmable room thermostat allows you to programme the temperature levels to
alter according to different times of the day and night. When programmed correctly, this
type of control prevents the system having to heat the house from a “cold start”. The
control always maintains a temperature within the property (as decided by the user).
This ensures that the boiler is only ever “topping up” the temperature in the home.
20
Mechanical timers
MT10 mechanical timer
• The simplest Worcester control device
• Analogue clock for setting heating time periods.
MT10RF mechanical RF thermostat
• Analogue display for setting comfort and economy time periods and temperature
• Receiver is activated remotely by radio frequency – requires no wiring
• Simple installation
• No need for a separate room thermostat.
Digital and wireless programmers and room thermostats
DT20 twin channel digital programmer
• Plugs into the boiler fascia panel and is pre-set to current time, date and day
• Adjusts automatically in line with British summer time
• Three separate time periods for both heating and hot water
• Use either the built-in pre-set programmes, or choose your own settings.
DT20RF digital RF thermostat with twin channel programmer
• Features simple set-up
• Set up to three different time periods a day
• Room thermostat provides the temperature control
• Benefits from no wiring required
• Twin-channel facility times the domestic hot water function.
DT10RF digistat
• 24-hour programmable room thermostat
• Set different temperatures for up to six different time periods.
• No separate room thermostat is required
• Benefits from no wiring required
• Complies with Buildings Regulations Best Practice.
21
DT10RF optimiser
• Sophisticated seven-day energy-saving device with the same features as the DT10RF digistat
• Optimum start – calculates the time needed to activate the boiler to precisely achieve the
required temperature at the required time each day
• Set different temperatures for up to six different time periods for each day of the week
• As a radio frequency device, it offers the benefits of no wiring
• No separate thermostat necessary.
Intelligent controls
FR10 intelligent room thermostat
• Intelligent room thermostat that enables load compensation
• Offers further energy savings compared to standard on/off controls.
(Load compensation means that, rather than just switching the boiler on and off, it will adjust the
flow temperature of the central heating water in line with set heating temperature requirements.
The smaller the difference between the actual temperature and the set-point temperature, the lower
the flow temperature from the boiler.)
FR110 programmable room thermostat
• Intelligent programmable room thermostat
• Load compensation for heating and time control of hot water systems
• Like the FR10 but with the added benefit of built-in programming
• Six weekly heating and hot water programmes, with six switching points per day.
FW100 weather compensation controller
• Weather compensation controller
• Anticipates changes in heating demand in relation to external temperatures
• Comprises a programmable indoor unit and an external sensor
• The indoor unit can be fascia-mounted or wall-mounted remotely
• Factory-set heat curves for use with radiators, underfloor heating and fan convectors.
ISM1 intelligent solar module
• The ISM1 integrates a solar heating system with the FW100 or FR110
• It enables the hot water system to take heat from the solar panels
when appropriate or use the boiler
•
22
Ensures the user gains maximum benefit from solar heating.
FEATURES
DT20
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DT20RF
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DT10RF digistat
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DT10RF
optimiser
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Intelligent System
Package
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FR10
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FR110
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FW100
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ISM1
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•
•
•
•
•†
• •
•
•
•
•
•
•
•
•†
• •
•
•
•
•
•
•
•
•†
Hard-wired
•
Radio frequency
•
Plug-in
Boiler flow temp
compensation
Optimum start
Programmable
room thermostat
Room thermostat
Auto switch –
BST/GMT
•
Ri
•
i System
• • •
CDi Classic System
•
Highflow CDi
MT10RF
i Junior
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
REG
Si Compact
•
SYSTEM*
CDi Compact
•
COMBINATION
CDi Classic
•
7 day
24 hour
Hot water
MT10
ELECTRICAL
CONNECTION
TYPE
TEMPERATURE
CONTROL
TIME CONTROL
Central heating
Wall mounted
Fascia-mounted
MOUNT
Intelligent
Digital
Mechanical
TYPE
BOILER TYPE
•
•
*All compatible controls must be used with optional internal diverter valve.
†Only compatible with 27Ri and 30Ri models via a Worcester Greenstar Wiring Centre.
Intelligent controls.
23
Greenstore unvented hot water storage
cylinders – efficient hot water storage.
Worcester offers two types of Greenstore unvented hot water storage cylinder.
The SC (single-coil) range is designed for use with Greenstar Regular or System
boilers with a traditional radiator or underfloor system. Greenstar TC (twin-coil)
cylinders have been developed specifically for use with Greenskies solar water
heating systems. When used together, a combination of Greenstar and Greenskies
appliances can provide a full system solution for the provision of heating and hot
water comfort.
Greenstore cylinders are highly insulated to reduce hot water heat loss,
addressing the growing demand of homeowners for reduced energy costs
and lower carbon emissions.
Greenstore cylinder features and benefits:
• Rapid re-heat – hot water quickly available
• 65mm insulation – outstanding heat retention and economical to run
• Duplex Stainless Steel construction – guaranteed for 25 years*
• Wide range of cylinder capacities – suitable for properties and systems of all sizes
• Fully compliant with current legislation – allows funding to be gained from the
Renewable Heat Incentive.
Greenstore SC and TC Cylinders
The Greenstore SC single-coil series
The new Greenstore SC range benefits
consumers who are looking for a cylinder to
use with a boiler which offers an excellent
flow rate with rapid re-heat, but who do not
require solar compatibility.
The range is also suitable for consumers
who require a smaller volume of hot water
storage, being available with capacities
Hot water
to showers,
baths and appliances
from 93 litres.
Radiator
Greenstore
Single Coil
hot water
storage
cylinder
Greenstar
regular or
system
boiler
Cylinder cross-section.
24
*Terms and conditions apply.
The Greenstore TC twin-coil series
All of the models in the TC range feature high
Greenskies
solar collector
levels of insulation and dedicated volumes
of solar hot water storage. Greenstore TC
cylinders can also be used with Regular and
System boilers, enabling solar water heating to
be added to the system at a later date without
the need to replace the cylinder. Capacities
range from 158 litres to 287 litres.
Hot water
to showers,
baths and appliances
TC cylinders are fully
compliant with both current
Radiator
Building Regulations and the
Microgeneration Certification
Scheme (MCS), as well as
Greenskies solar pump
station and controller
anticipated future legislation.
Cylinder cross-section.
Greenskies
Twin Coil
hot water
storage
cylinder
Greenstar
regular or
system boiler
25
The Worcester CondenseSure –
eliminating the risk of
frozen condensate.
All condensing boilers produce condensate which has to be discharged
from the property. In the majority of cases, it will be possible to do
this internally, but in some circumstances the location of the boiler means
that the condensate pipe has to be routed externally or in an unheated
area, with the possible risk of freezing in extreme weather conditions.
The Worcester CondenseSure is an innovative solution to freezing
condensate that can be installed with any condensing boiler. Unlike
other products designed to prevent freezing, the CondenseSure
requires no electrical connection and has no moving parts.
The CondenseSure features and benefits:
• No power consumption – zero running costs
• No moving parts – no failure of components
• Can be installed in new and existing installations –
suitable for all Greenstar gas and oil boilers.
The Worcester Greenstar System Filter –
protecting your heating system.
Modern condensing boilers are precision-engineered and designed to
run with a clean water-heating system. Over time, dirty system water
will develop, damaging a boiler and its components, causing failures,
shortening the life of the overall system and dramatically reducing the
efficiency of the boiler.
A highly effective solution
The Worcester Greenstar System Filter has been specifically designed
to combat the damaging effects of system debris and pollutants,
protecting the boiler and heating system for a fraction of its cost.
At the centre of its innovative design is a powerful magnet that removes
the magnetic debris that is present in the heating system water. The central
location of the magnet ensures that the debris is collected quickly and
retained. Any non-magnetic debris is caught by the twin-action cyclonic
trap, maximising overall protection.
Greenstar System Filter features and benefits
• Highly effective – safeguards the boiler against damage and can save
up to 6% a year on energy bills*
The filter can be fitted under or away from
the boiler.
26
• Prevents blockages in radiators – a warmer home and quieter system
• Twin action – effective against magnetic and non-magnetic system debris.
*Independent research.
The Greenstar condensing gas-fired boiler range.
Technical specification and features overview.
6,000
6,000
6,000
6,000
6,000
4,600
6,400
4,600
6,400
4,000
6,400
4,000
6,400
7,900
9,400
4,600
6,400
4,600
6,400
4,600
6,400
4,600
6,400
6,000
6,000
6,000
6,000
7.7-30.0
7,900
9,400
•
N/A
9.4-40.8
6,000
7,500
91.4
N/A
4.0-12.0
4,600
6,400
90.1
91.4
N/A
5.0-15.0
4,600
6,400
90.1
91.9
N/A
6.0-18.0
4,600
6,400
270
90.2
92.0
N/A
8.0-24.0
4,600
6,400
270
90.3
91.8
N/A
7.03-27.0
6,000
6,000
390
270
90.3
91.8
N/A
7.03-30.0
6,000
6,000
400
600
90.5
91.9
N/A
7.7-30.0
4,000
6,400
400
600
90.3
91.6
N/A
9.6-40.8
4,000
6,400
•
•
•
•
•
•
•
•
•
90.1
92.0
12.3
7.7-30.0
360
90.1
92.0
14.3
7.7-30.0
760
440
360
90.2
91.9
16.4
9.4-30.0
760
440
360
90.2
92.2
17.2
9.4-30.0
690
390
280
90.5
92.6
11.4
7.03-24.0
690
390
280
90.5
92.6
13.1
7.03-24.0
690
390
280
90.5
92.6
14.7
7.03-24.0
690
390
280
90.5
92.6
10.2
7.03-24.0
690
390
280
90.5
92.6
12.3
7.03-24.0
710
400
330
90.1
91.9
9.8
7.2-24.0
710
400
330
90.1
91.9
11.4
7.2-24.0
850
600
600
90.4
92.2
20
7.4-29.2
850
600
600
90.1
92.2
25
9.7-30.6
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
760
440
360
90.3
92.3
N/A
7.7-30.0
710
400
330
90.1
91.4
N/A
3.0-12.0
710
400
330
90.1
91.4
N/A
5.0-15.0
710
400
330
90.1
91.4
N/A
6.0-18.0
710
400
330
90.2
92.0
N/A
7.2-24.0
690
390
280
90.3
91.8
N/A
7.03-27.0
690
390
280
90.3
91.8
N/A
7.03-30.0
•
760
440
360
90.3
92.3
N/A
•
•
•
•
•
•
•
760
440
360
90.2
92.0
600
390
270
90.1
600
390
270
600
390
270
600
390
600
390
600
850
850
Floor standing
360
440
Energy saving modulating pump
Max. vertical flue length (mm)
(100mm dia)
6,000
440
760
Fault finding diagnostics
Max. horizontal flue length (mm)
(100mm dia)
6,000
Domestic hot water control
6,000
6,000
Central heating output (kW)
6,000
Domestic hot water flow rate
@ 35ºC ∆T* (litres per min)
7,500
SEDBUK (%) LPG†
7,500
6,000
SEDBUK (%) Natural Gas†
6,000
Depth (mm)
8,000
Width (mm)
9,400
7,000
Height (mm)
7,900
760
Wall hung
Condenses in domestic hot water
and central heating modes
FEATURES
COMBI BOILERS
29CDi Classic
34CDi Classic
38CDi Classic
42CDi Classic
28CDi Compact
32CDi Compact
36CDi Compact
25Si Compact
30Si Compact
24i Junior
28i Junior
•
•
•
•
•
•
•
•
•
•
•
•
•
Highflow 440CDi
Highflow 550CDi
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
SYSTEM BOILERS
30CDi Classic
System
12i System
15i System
18i System
24i System
27i System
30i System
•
•
•
•
•
•
•
•
•
REGULAR BOILERS
30CDi Classic
Regular
40CDi Classic
Regular
12Ri
15Ri
18Ri
24Ri
27Ri
30Ri
FS 30CDi
FS 42CDi
•
•
*Boiler flow rates limited by regulators to give 40ºC ∆T. Minimum operating pressure required.
†SEDBUK percentage rating is 2005 measurement and CDi Compact, Si Compact, 27i System, 30i System, 27Ri and 30Ri (2005 equivalent) is included for
comparison purposes.
This matrix is for a guidance only, full technical details are available within the Technical and Specification brochures
for these products and should be consulted prior to selection with the assistance of a qualified Gas Safe installer.
27
28
Greenstar Plus – Hybrid system.
The Greenstar Plus – Hybrid system combines the energy
For additional energy savings, the Greenstar Plus – Hybrid
and cost-saving benefits of gas condensing boilers and heat
features a low energy circulation pump, compliant with
pumps in a single unit, with intelligent fuel management
future legislation.
controls to ensure economical operation.
The compact design of both indoor and outdoor units,
The system comprises a variable speed electric (inverter)
combined with very quiet operation, ensures that the
heat pump, outdoor unit, a buffer tank and a controller.
Greenstar Plus - Hybrid is very discreet and unobtrusive.
When the system is combined with a new high-efficiency
Greenstar gas condensing boiler (natural gas or LPG),
Key features and benefits
the integral Hybrid Manager, which incorporates weather
• Energy efficient – significant energy savings compared to
compensation, ensures that either the boiler or the heat
pump is used to deliver maximum economy, depending
on indoor/outdoor temperatures, time of day, etc.
For example, you can enter your current gas and electricity
tariffs into the Hybrid Manager and it will automatically
determine whether it is more economical to use low carbon
energy from the heat pump or to use gas to run the boiler.
And if you change your energy provider, you simply enter
the new tariffs to maintain maximum economy.
traditional boiler-only system
• More environmentally-friendly – reduces carbon emissions
and environmental impact
• Intelligent control – manages the system in-line with your
energy provider’s tariffs
• Compatible with Greenstar CDi Classic, CDi Compact,
Si Compact, i Junior combi boilers and Greenstar
CDi Classic System and i System system boilers
• Weather compensation improves heating control.
Hot water
to showers,
baths and
appliances
Radiator
Outside
temperature
sensor
50ltr serial
buffer tank
Greenstar
combi boiler
Greenstar Plus
Hybrid outdoor unit
Greenstar Plus
Hybrid Manager
29
Even more ways of providing heating
and hot water comfort to you.
Worcester’s innovative heating and hot water product
and hot water for the home. For every single kilowatt of
range is designed for the needs of today’s modern home.
electricity used to power the ground source heat pump, the
In addition to combi boilers, the Greenstar gas-fired range
system can generate four kilowatts of energy for the home.
also features Regular and System models.
Not only that, but the system is designed to be the sole
heating source in the home.
Greenstar oil-fired condensing boilers
Worcester also manufactures a range of high-efficiency
Greensource air source heat pumps
oil-fired Greenstar boilers. Our oil manufacturing heritage
Greensource air source heat pumps gather energy from
stretches back to the foundation of the company in 1962
the air and transfer it into low cost heating and hot water
and, like all our Greenstar gas combi boilers, our range of
for the home. Worcester’s range of air source heat pumps
oil-fired boilers is recommended by the Energy Saving Trust,
can offer a choice of three systems: air to air, air to water
and runs at 90% efficiency (SEDBUK 2005 rating) or over.
and split air to water, each offering significant savings
compared with a conventional heating system.
Greenskies solar thermal water heating
Worcester’s Greenskies solar thermal evacuated tubes and
Information whenever you need it
flat plate panels are capable of providing up to 60%* of a
To help you make the most of your heating and hot
home’s hot water requirements. The panels are designed
water system, Worcester has produced an informative
to link into any existing heating system that uses a cylinder,
‘handy hints’ guide.
using even diffused sunlight to covert energy into heat and
produce hot water for the home.
To obtain a copy or to find out more about Worcester’s
full range of heating and hot water solutions, visit
Greenstore LECP ground source heat pumps
www.worcester-bosch.co.uk or call our literature line
Greenstore low energy circulation pumps (LECP) meet
on 0330 123 9119.
future legislation and allows the homeowner to take
advantage of renewable and sustainable energy. They
harness the energy stored in the earth to provide heating
30
*Source: Energy Saving Trust (Publication CE102).
31
Worcester.
At your service.
We’re always on hand to help, whether you’re just starting to think about buying a
Worcester boiler or you’ve owned one for years. We have over 300 Service Engineers to
ensure our products deliver energy-saving performance year after year. We are placed in
the top 10 of the top 50 UK call centres.
Our experienced and award-winning technical support team is also available on the
phone or via email to offer help with any aspect of your Worcester boiler. They can
help with choosing the right controls, as well as advising on combining your boiler
with environmentally-friendly, cost-saving renewable systems like solar water heating.
Of course, the advice of a qualified installer is also essential, and we can also help
you find a professional installer who’s local to you. Just call 0330 123 3366 or
visit www.worcester-bosch.co.uk/findaninstaller. You will also need to contact a
professional installer in order to purchase our products.
32
Guarantees for extra peace of mind
To give you even more reassurance, we offer comprehensive guarantees on all our
products. To find out more, visit www.worcester-bosch.co.uk/guarantee
What is Gas Safe Register?
Gas Safe Register is the hallmark for gas safety in the United Kingdom. By law, only Gas
on the primary
heat exchanger*
Safe registered engineers should carry out work on gas appliances or installations in your
home. To make sure that your gas-fired boiler is installed, maintained and serviced safely
you must employ a Gas Safe registered engineer to carry out the work.
*Terms and conditions apply.
33
We’re as committed to
the environment as we
are to our customers.
Whether it’s energy-efficient boilers, or sustainable heating
Worcester is also behind a forward-looking scheme to
solutions, Worcester’s commitment to the environment
educate younger generations on environmental issues.
goes back many years.
A free book, ‘Picture a Greener Future’, is available from
our website at www.worcester-bosch.co.uk/greenerfuture
The greatest contribution we make is by ensuring every one
and, through a fun story, shows how we can all reduce our
of our products is as fuel efficient as technology will allow,
energy consumption and shrink our carbon footprint.
or uses completely sustainable fuel like solar energy.
But that’s not all. In 2000, The Environment 2020 Awards
were initiated to celebrate and promote activities dedicated
to conserving the environment for future generations. The
initiative includes an annual children’s art competition.
For more information visit our website.
34
*Source: Energy Saving Trust.
Worcester has also accomplished its environmental
Making a difference
commitment by reaching 100% recyclability for all its
Since 1996, the combined energy savings of all the
products, thereby achieving its zero waste-to-landfill
products we’ve sold have helped reduce our company’s
objective.
carbon footprint by 20%, making a significant difference
to the UK’s impact on the environment.
In addition, a partnership has been set up with a
Swansea-based company which now transforms
As domestic boilers currently account for 21%* of the
Worcester’s previously non-recyclable waste,
UK’s total CO2 emissions, the fact that a Worcester
including some plastics, into an eco-friendly concrete
condensing boiler also delivers dramatically reduced
replacement which is now used in housing, meaning
emissions of both CO2 and NOx (Nitrogen Oxide) helps
that Worcester’s range of Greenstar gas-fired boilers
in the battle against climate change. All Worcester
are now 100% recyclable.
Greenstar boilers are within UK Class 5 – the lowest
of the 5 categories – for NOx emissions.
35
Useful numbers
Customer Service
Consumer Technical Helpline (Pre & Post Sales)
Engineer Appointments
Tel: 0330 123 3366
Email: [email protected]
Fax: 01905 752741
or telephone 0330 123 9339
Email: [email protected]
Enquiries
Renewables Technical Helpline
Email: [email protected]
Email: [email protected]
or telephone 0330 123 9559
or telephone 0330 123 9229
Guarantee Registration
Literature
To register your Worcester guarantee,
Email: [email protected]
please visit our website
or download instantly from our website
www.worcester-bosch.co.uk/registration
or telephone 0330 123 9119
or telephone 0330 123 2552
Calls to 03 numbers cost no more than a national rate call to an 01 or 02 number and must count towards any inclusive minutes in the same way as 01 and 02 calls.
These rules apply to calls from any type of line, including mobile, BT, other fixed phone line or payphone. Calls from mobiles and some other networks may vary.
Calls to and from Bosch Thermotechnology Ltd may be recorded for training and quality assurance purposes.
www.worcester-bosch.co.uk
In partnership with
Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd.
BBT3022
This leaflet is accurate at the date of printing, but may be superseded and should be disregarded if specification and/or appearances
are changed in the interest of continued improvement. The statutory rights of the consumer are not affected.
Part No. 8 716 109 642 H 09/13
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Worcester, Bosch Group,
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Worcester, WR4 9SW
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