Greenstar gas boiler brochure

Greenstar gas boiler brochure
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.
In the 2012 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 for
the second year running. This is why all of the boilers tested from the Greenstar range
qualify to be a Which? Best Buy.
In addition to receiving 23 Best Buy recommendations, the latest Which? report also looked
at boiler servicing contracts, where the Worcester, Bosch Group brand came top for the
fifth consecutive year.
Call 0844 892 3000 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 heating and hot water comfort.
Our Greenstar range of gas-fired condensing boilers
can help reduce your fuel bills and your carbon footprint.
We are also leading the way in environmentally friendly
heating and hot water production through our commitment
to developing innovative renewable energy solutions.
All of the boilers in the brochure are available as natural
gas or LPG models.
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
Which type of condensing boiler is right for you?
8
The all-new Greenstar CDi Compact.
10
Greenstar condensing boiler range.
12
Heating control options. 20
Greenstore unvented cylinders.
24
Greenfloor heating.
26
Worcester CondenseSure and Greenstar System Filter.
28
Greenstar gas-fired boiler technical overview.
29
Greenstar Plus - Hybrid.
30
Even more ways of providing heating and hot water comfort to you.
31
We’re as committed to the environment as we are to our customers.
32
Worcester. At your service.
34
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.
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
since Worcester became a part of the Bosch
quality and value-conscious households
Group – one of the world’s leading names in
all over the UK – and it’s the choice of
innovative technology.
the heating industry too.
Today, many years and millions of boilers
And a recent survey revealed that 9 out of
later, Worcester is a market leader
10 professional installers would choose
in domestic heating and hot water
Worcester for their own homes*. All of
appliances, employing over 1,500 people
which gives you the reassurance of
at our headquarters and manufacturing
knowing that when you invest in a
plants in Worcester and at Clay Cross
Worcester product, its quality is
in Derbyshire – including a nationwide
endorsed by the professionals.
network of over 300 directly employed
Service Engineers and over 40 technical
Quality is the bedrock of the
advisors based at Worcester.
Worcester brand
Since 1962, when Worcester pioneered
All of this makes Worcester a name that
domestic oil-fired boilers, the company’s
stands for reliability, quality, efficiency
commitment to excellence hasn’t changed.
and value for money; a name you can trust.
And that commitment has only strengthened
*Source: Worcester Customer Satisfaction Survey.
Worcester, Bosch Group
headquarters in Worcester.
5
If your heating system is over 10 years
old, it’s not as efficient as it could be.
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 boilers
What makes a condensing boiler so efficient?
are also compatible with a Greenstar Plus - Hybrid system.
Condensing boilers work by recovering the waste
heat which is expelled through the flue system of a
One more way to help improve the energy efficiency rating
non-condensing boiler and passing it through a second
of your home, and to significantly reduce your fuel bills
heat exchanger where it extracts additional heat*.
and carbon dioxide emissions, is to install a solar water
heating system. All Greenstar regular and system boilers
This is why it makes such good sense to switch to an
can be used with a Worcester Greenskies solar water
award-winning Worcester boiler. With a boiler that’s 10
heating system to generate your hot water (see page 31).
years old or more, which doesn’t have the benefit of today’s
Depending on the positioning of the solar panels, they
condensing technology, as much as 30%** spent on fuel
could provide up to 60%†† of your annual hot water free
for your heating and hot water is wasted. It could make a
of charge from a clean, renewable source of energy.
big difference to your household energy bills, saving you
Look for the
money and helping to reduce your carbon footprint at the
solar compatible.
symbol to indicate boilers which are
same time.
Worcester Energy Houses
Combine a new Greenstar boiler with the latest in digital
Worcester’s Energy Houses are real-life case
and intelligent heating controls and you can make your
studies which show the difference that switching
money go even further.
to Worcester products can make to your bills,
your lifestyle and the environment.
Measure
Annual saving (£/yr)
CO2 saving
a year
Condensing boiler & heating controls upgrade
Around £300
Up to 1,100kg
Source: Energy Saving Trust
You can see how we could help you reduce
your energy consumption by visiting
www.worcester-bosch.co.uk/energyhouses
*W
hen operating in a condensing mode a visible plume is generated from the flue terminal. Consideration should be given to this when siting the boiler.
Further details can be found within our Technical and Specification brochures on condensing boilers.
**Source: Energy Saving Trust. †Exceptions can apply. ††Energy Saving Trust (Publication CE102).
7
Which type of condensing boiler
is right for you?
It’s so simple to make your mind up
The lifetime of your boiler
Because every household is different – 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
The easy way to choose
on the primary heat exchanger.
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
Alternatively you can call our customer helpline on
been discontinued.
0844 892 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)
Combi or
System (unvented cylinder)
You live in a flat or bungalow
(i.e. have very little
or no roof space)
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
Combi, Regular or System
There is a need to have hot water
available on tap without waiting for it to heat up
Combi
If you need to discuss your boiler requirements,
call our customer helpline on 0844 892 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 mains pressure it’s very convenient and can
save on your hot water costs. As an added benefit, showers
Hot water to baths,
showers and basins
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, 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 that it can generally save you money on
Kitchen and
appliances
Cold
mains
Combi boiler layout
installation time and costs as well installation materials.
‘Combi’ boilers are so popular that they account for two
Worcester Greenskies
solar thermal panels
out of every three new domestic boilers installed in Britain
every year.
What is a regular boiler?
Regular boilers – sometimes referred to as traditional or
Feed and
expansion
cistern
Cold water
storage cistern
conventional boilers – are suitable for homes that already
have a traditional heating and hot water system that requires
a separate hot water cylinder. Regular boilers also require 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
Hot water cylinder
Hot water to
baths, showers
and basins etc
Room
thermostat
Worcester
regular boiler
with programmer
required e.g. homes with two or more bathrooms, or in
areas where the water pressure is low. Regular boilers are
compatible with solar water heating systems to bring you
the added benefits of environmentally friendly hot water
Regular boiler layout and solar water heating system
and further cost savings.
Worcester Greenskies
solar thermal panels
What is a system boiler?
Both a system boiler and a regular boiler work on the principle
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 cistern in the loft. There are two
kinds of cylinder which this type of system may have –
Hot water cylinder
Hot water to
baths, showers
and basins etc
a mains pressure hot water cylinder or a low pressure hot
water cylinder. They are also compatible with solar water
heating systems to bring you the added benefits of
environmentally friendly hot water and reduced hot water
Worcester
system boiler
with programmer
Room
thermostat
Cold mains
and heating costs.
System boiler layout and solar water heating system
(System boiler with unvented hot water cylinder)
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 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
which will keep the primary water within the heat cell hot. This ensures that hot water is
Desired central heating
and domestic hot water
temperatures can be easily
read and adjusted.
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.
11
Greenstar CDi Classic condensing combi boiler.
12
†
Greenstar condensing combi boiler range.
Wall mounted.
Greenstar 29CDi Classic, 34CDi Classic, 38CDi Classic & 42CDi Classic series
Central heating outputs: All models – 30kW
Hot water flow rates: from 12.3 to 17.2 litres per minute* @ 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 reduces electricity used by the pump
by up to 30%
•
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 & 36CDi Compact series
Central heating outputs: All models – 24kW
Hot water flow rates: from 11.4 to 14.7 litres per minute* @ 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 combi’s high outputs can make them
NEW
suitable for larger 2 bedroom properties
• CDi Compact appliances condense in both heating and hot water modes for greater
efficiency and savings on fuel
• The CDi Compact’s modulating pump reduces electricity consumption by up to 30%
• 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 30.
We always recommend you consult a qualified Gas Safe installer prior to choosing your boiler.
*Provided adequate mains pressure is available. †Greenstar CDi Compact not included for 2012 Which? Survey.
††Solar compatible with the use of the Domestic Hot Water Combi Pre-heat Accessory.
13
Greenstar Si condensing combi boiler.
14
Greenstar condensing combi boiler range.
Wall mounted.
Greenstar 25Si and 30Si series
Central heating outputs: Both models – 24kW
Hot water flow rates: 10.2 & 12.3 litres per minute* @ 35ºC temperature rise
• Si combis are also suitable for apartments and small to medium sized 1 bathroom
properties, and offer slightly higher hot water flow rates than the i Junior series
• Si combis allow the hot water temperature to be controlled and can be used
with a wider range of optional controls
•
Si combis can also be installed in a variety of locations, including kitchens, utility rooms,
bathrooms, airing cupboards, lofts or garages
• All Si 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 & 11.4 litres per minute* @ 35ºC temperature rise
• Our entry level wall-mounted combi boiler range for smaller 1 bathroom properties
• 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
• All i Junior appliances come with in-built frost protection.
Floor standing.
Greenstar Highflow 440CDi & 550CDi series
Central heating outputs: 29.2 & 30.6kW
Hot water flow rates: 20 & 25 litres per minute*† @ 35ºC temperature rise
• A choice of two floor-standing combis which have been developed specifically for larger
two 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
• All Highflow appliances come with in-built frost protection and filling link
• Built-in condensate pump – up to 4.5 meters head
• Comes complete with a floor mounted pre-plumbing jig.
For compatible optional controls see pages 20-23.
Greenstar Si and Highflow CDi boilers are compatible with the
Greenstar Plus - Hybrid system. For more information see page 30.
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*
• One 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 System series
Central heating outputs: 12, 15, 18 & 24kW
• With their compact, space-saving dimensions i System appliances are a good option for
small to medium-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*.
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 30.
We always recommend you consult a qualified Gas Safe installer prior to choosing your boiler.
*Provided the optional internal diverter valve is used.
17
Greenstar FS CDi condensing regular boiler.
18
Greenstar condensing regular boiler range.
Wall mounted.
Greenstar CDi Classic Regular series
Central heating outputs: 30 & 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 Ri series
Central heating outputs: 12, 15, 18 & 24kW
• The smallest of our condensing appliances (they can be installed in a standard
kitchen cabinet – see page 7 for example)
• There is an Ri appliance suitable for small, medium and larger properties
• Ri appliances have a fascia-mounted heating temperature control knob
and neon operational status indicators.
Floor standing.
Greenstar FS CDi Regular series
Central heating outputs: 30 & 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.
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 time 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 (for use with all combi models)
• The simplest Worcester control device
• Analogue clock for setting heating time periods.
MT10RF mechanical RF thermostat (for use with all combi models)
• 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 (for use with all combi and system models)†
• 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
(for use with all combi and system models)†
• 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 (for use with all combi and system models)†
• 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.
†System boilers must use the optional internal diverter valve.
21
DT10RF optimiser (for use with Greenstar CDi Classic, CDi Compact, Si and Highflow CDi
combis and Greenstar CDi Classic System and i System system models)†
• 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 (for use with Greenstar CDi Classic, CDi Compact, Si
and Highflow CDi combis and Greenstar CDi Classic System and i System system models)*†
• Intelligent room thermostat that enables load compensation
• Offers further energy savings compared to standard on/off controls.
(Load compensation feature 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 (for use with Greenstar CDi Classic, CDi Compact,
Si and Highflow CDi combis and Greenstar CDi Classic System and i System system models)†
• 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 (for use with Greenstar CDi Classic, CDi Compact,
Si and Highflow CDi combis and Greenstar CDi Classic System and i System system models)†
• 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
• Ensures the user gains maximum benefit from solar heating.
22
*For use with MT10 or DT20 only. †System boilers must use the optional internal diverter valve.
FEATURES
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DT20RF
•
•
DT10RF digistat
•
DT10RF
optimiser
•
Intelligent System
Package
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Hard wired
Radio frequency
Plug in
Boiler flow temp
compensation
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FR110
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FW100
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ISM1
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FR10
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Optimum start
Programmable
room thermostat
Room thermostat
Auto switch –
BST/GMT
7 day
24 hour
Hot water
Central heating
•
•
i System
DT20
•
CDi Classic System
•
•
Highflow CDi
•
•
i Junior
MT10RF
•
SYSTEM*
Si
•
COMBINATION
CDi Compact
•
BOILER TYPE
ELECTRICAL
TEMPERATURE CONTROL CONNECTION TYPE
TIME CONTROL
CDi Classic
MT10
Wall mounted
Fascia mounted
MOUNT
Intelligent
Digital
Mechanical
TYPE
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
*All compatible controls must be used with optional internal diverter valve.
Intelligent controls.
23
Greenstore unvented 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
Greenfloor heating – energy efficient
heating beneath your feet.
Whether you are updating your existing heating system or
Maximum warmth from lower temperatures
are embarking on a self-build project, Worcester Greenfloor
Research shows that an even heat rising from the floor
heating could be the perfect solution for your home. Acting
providing maximum warmth to the feet and cooler but
as efficient low-level radiators, a Greenfloor underfloor
more comfortable temperatures at head height are
heating system uses a heated water filled pipe buried under
favourable to the output of a traditional radiator system
the floor to deliver heat energy evenly into each room,
where the maximum temperature is at ceiling height and
gently warming the living space through a combination
the lowest is at floor level. There are also additional health
of radiant heat and heat conduction. As it is the entire
benefits, as underfloor heating provides radiant heat and
floor area in a room that provides the heat, the actual
doesn’t rely on convection like traditional radiators. As a
temperature needed to heat it is much lower than with
result, the amount of dust circulated around the room will
a traditional radiator system, eliminating any of those
be considerably less, providing cleaner air.
annoying cold spots around the room.
Greenfloor features and benefits:
Greenfloor is suitable for use throughout the home and
with any type of floor covering from tiles to carpet. The
benefits do not stop there. Greenfloor is low maintenance
and in a modern, well insulated home, can even act as
the primary heat source, replacing the need for radiators
completely and freeing up wall space so there are no
restrictions on where you can put your furniture.
• Energy efficient – can offer savings on fuel bills of 30%
when used with a Greenstore ground source heat pump
• Can also be used with Greenstar gas, LPG and oil boilers
and Greensource air to water heat pumps
• Can be used throughout the home and with any type
of floor covering
• Suitable for new properties and refurbishments
• Reduces dust compared with a conventional
radiator system
• Frees up wall space
• Low maintenance.
26
27
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.
NEW
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.
28
• 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
7,500
6,000
7,500
6,000
6,000
6,000
6,000
6,000
6,000
4,600
6,400
4,600
6,400
7.2-24.0
4,600
6,400
7.2-24.0
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
7.7-30.0
7,900
9,400
9.4-40.8
6,000
7,500
Energy saving modulating pump
Max. vertical flue length (mm)
(100mm dia)
8,000
Fault finding diagnostics
Max. horizontal flue length (mm)
(100mm dia)
Condenses in domestic hot water
and central heating modes
9,400
7,000
Domestic hot water control
7,900
Central heating output (kW)
Domestic hot water flow rate
@ 35ºc ∆T* (litres per min)
SEDBUK (%) LPG†
SEDBUK (%) Natural Gas†
Depth (mm)
Width (mm)
Height (mm)
Floor standing
Wall hung
FEATURES
COMBI BOILERS
29CDi Classic
34CDi Classic
38CDi Classic
42CDi Classic
28CDi Compact
32CDi Compact
36CDi Compact
25Si
30Si
24i Junior
28i Junior
•
•
•
•
•
•
•
•
•
•
•
Highflow 440CDi
Highflow 550CDi
•
•
760
440
360
90.1
92.0
12.3
7.7-30.0
760
440
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
710
400
330
90.1
91.9
10.2
7.2-24.0
710
400
330
90.1
91.9
12.3
7.2-24.0
710
400
330
90.1
91.9
9.8
710
400
330
90.1
91.9
11.4
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
760
440
360
90.3
92.3
N/A
760
440
360
90.2
92.0
N/A
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
SYSTEM BOILERS
30CDi Classic
System
12i System
15i System
18i System
24i System
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
REGULAR BOILERS
30CDi Classic
Regular
40CDi Classic
Regular
12Ri
15Ri
18Ri
24Ri
FS 30CDi
FS 42CDi
•
•
•
•
•
•
•
•
600
390
270
90.1
91.4
N/A
4.0-12.0
4,600
6,400
600
390
270
90.1
91.4
N/A
5.0-15.0
4,600
6,400
600
390
270
90.1
91.9
N/A
6.0-18.0
4,600
6,400
600
390
270
90.2
92.0
N/A
8.0-24.0
4,600
6,400
850
400
600
90.5
91.9
N/A
7.7-30.0
4,000
6,400
850
400
600
90.3
91.6
N/A
9.6-40.8
4,000
6,400
•
•
•
•
•
•
•
•
*Boiler flow rates limited by regulators to give 40ºC ∆T. Minimum operating pressure required.
†SEDBUK percentage rating is 2005 measurement and CDi Compact (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.
29
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, ensure 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.
30
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 and Highflow CDi combi boilers and Greenstar
CDi Classic System and i System system boilers
• Weather compensation improves heating control.
Even more ways of providing heating
and hot water comfort to you.
Worcester’s innovative heating and hot water product
Greensource air source heat pumps
range is designed for the needs of today’s modern home.
Greensource air source heat pumps gather energy from
In addition to combi boilers, the Greenstar gas-fired range
the air and transfer it into low cost heating and hot water
also features Regular and System models.
for the home. Worcester’s range of air source heat pumps
can offer a choice of three systems: air to air, air to water
Greenstar oil-fired condensing boilers
and split air to water, each offering significant savings
Worcester also manufactures a range of high-efficiency
compared with a conventional heating system.
oil-fired Greenstar boilers. Our oil manufacturing heritage
stretches back to the foundation of the company in 1962
Greenfloor heating
and like all our Greenstar gas combi boilers, our range of
Greenfloor heating is designed to deliver highly efficient
oil-fired boilers is recommended by the Energy Saving Trust,
heating in its own right, as well as being an ideal partner
and runs at 90% efficiency (SEDBUK 2005 rating) or over.
to heat pumps and condensing boilers. Underfloor heating
is suitable for refurbishments and new build and, unlike
Greenskies solar thermal water heating
radiator systems, distributes heat more evenly, increasing
Worcester’s Greenskies solar thermal evacuated tubes and
user comfort.
flat plate panels are capable of providing up to 60%* of a
home’s hot water requirements. The panels are designed
Information whenever you need it
to link into any existing heating system that uses a cylinder,
To help you make the most of your heating and hot
using even diffused sunlight to covert energy into heat and
water system, Worcester has produced an informative
produce hot water for the home.
‘handy hints’ guide.
Greenstore LECP ground source heat pumps
To obtain a copy or to find out more about Worcester’s
Greenstore low energy circulation pumps (LECP) meet
full range of heating and hot water solutions, visit
future legislation and allows the homeowner to take
www.worcester-bosch.co.uk or call our literature line
advantage of renewable and sustainable energy. They
on 0844 892 9800.
harness the energy stored in the earth to provide heating
and hot water for the home. For every single kilowatt of
electricity used to power the ground source
heat pump, the system can generate four
kilowatts of energy for the home. Not only
that, but the system is designed to be the
sole heating source in the home.
*Source: Energy Saving Trust (Publication CE102).
31
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.
32
*Source: Energy Saving Trust.
Worcester has also accomplished its environmental
Making a difference
commitment by reaching 100% recyclability for all
Since 1996, the combined energy savings of all the
its products, thereby achieving its zero waste to
products we’ve sold have helped reduce our company’s
landfill 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.
33
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 0844 892 3366 or
visit www.worcester-bosch.co.uk/findaninstaller. You will also need to contact a
professional installer in order to purchase our products.
34
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.
35
Useful numbers
Customer Service
Consumer Technical Helpline (Pre & Post Sales)
Engineer Appointments
Tel: 0844 892 3366
Email: [email protected]
Fax: 01905 752741
or telephone 0844 892 3000
Renewables Technical Helpline
Enquiries
Email: [email protected]
Email: [email protected]
or telephone 0844 892 4010
or telephone 0844 892 3000
Literature
Guarantee Registration
Email: [email protected]
To register your Worcester guarantee,
or download instantly from our website
please visit our website or
or telephone 0844 892 9800
telephone 0844 892 2552
Calls to the listed 0844 numbers are charged at up to 3 pence per minute from BT land lines.
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.
BBT2890
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 G 01/13
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Worcester, Bosch Group,
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Worcester, WR4 9SW
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