Bosch GREENSTAR 30CDi System Benutzerhandbuch

Greenﬂoor heating series

Technical and Speciﬁcation Information Greenﬂoor heating series

Worcester and you. Making a difference.

As part of the Bosch Group, Worcester

products are designed and manufactured to

provide customers with the highest levels of

quality and reliability which are synonymous

with the Bosch name throughout the world.

As part of Europe’s largest supplier of

heating products, Worcester, Bosch Group

has the UK-based resources and support

capability to offer you the value-added

solutions needed to drive your business

forward. Worcester employs a nationwide

network of Service Engineers and technically

trained Field Sales Managers supported by

an experienced award winning technical

services team which is able to provide

comprehensive support and advice

from designing system layouts through

to installation.

Worcester is dedicated to providing energy

efﬁcient gas- and oil-ﬁred condensing

boilers, as well as an extensive range of

renewable technologies. All of our products

have been developed and introduced

with the aim of reducing climate change,

helping the UK to achieve the Government’s

efﬁciency targets.

Contents Page

Worcester Greenﬂoor heating 4 - 8

Greenﬂoor pipe ﬁxing methods 9

Floor constructions 10 - 11

Greenﬂoor controls 12

Product compatibility 13

Installation requirements 14 - 16

General requirements 17 - 18

Components 19 - 21

Speciﬁcation and Design Service 22

Greenﬂoor heating series

components and accessories 23 - 26

Worcester training 27 - 29

After-sales 30

“At Worcester we recognise the vital role you

play in the speciﬁcation and installation of

energy efﬁcient appliances in homes across

the UK. We will continue to invest in our

products, people, facilities and support

services to ensure you can continue to deliver

only the best solutions to your customers’

requirements.”

Carl Arntzen,

Managing Director,

Bosch Thermotechnology Ltd.

The reception and main entrance

at our Worcester headquarters

Worcester Greenﬂoor heating

Global responsibility for nature and the environment

As part of the Bosch Group, Worcester is committed to

environmental protection. With product development being

prioritised in the interests of people’s safety, the economical

use of resources and environmental sustainability.

In just a few short years, Britain’s domestic heating and

hot water industry has changed dramatically.

With approximately 25% of the UK’s carbon dioxide

emissions being produced by home energy consumption,

75% of which is for the provision of heating and hot water,

such change is not only inevitable but crucial.

Words and expressions such as “renewable energy”,

“sustainable technology” and “carbon footprint” have

become part of everyday conversation and have been

fuelled by extreme weather and stark television images

of melting polar ice caps.

Worcester, Bosch Group, whilst continuing to satisfy the

daily demands for heating and hot water comfort, has taken

a lead in developing solutions which reduce the impact on

the environment by reducing CO2 emissions – not only for

today but well into the future.

As part of this philosophy we are proud to introduce

high efﬁciency Greenﬂoor heating systems. Part of the

Total System Solution offering from Worcester, Greenﬂoor

heating systems deliver efﬁcient heating in their own right

as well as facilitating the use of low carbon technologies

such as air source and ground source heat pumps and

condensing boilers.

Greenﬂoor heating is suitable for both new build and

refurbishment applications, offering a number of major

beneﬁts over traditional radiator systems. By operating at

lower temperatures, underﬂoor heating helps to increase

the efﬁciency of the boiler or heat pump and reduces

overall running costs. Unlike radiator systems underﬂoor

distributes heat more evenly, increasing user comfort

whilst helping to reduce dust and the risk of house mites.

Greenﬂoor provides a complete underﬂoor heating

package that’s robust and reliable. The range includes

PE-Xc pipe with a choice of different pipe ﬁxing methods

and manifolds for between 2 and 16 zones. These

are complemented by controls and a full range of

other accessories.

The pipe ﬁxing methods are designed to make installation

quick and easy and can be used with traditional sand and

cement screed, wet screed or as a dry construction system

to suit the requirements of each property.

Greenﬂoor features and beneﬁts

Heat from a radiator travels up and around the

walls and ceiling of a room ﬁrst, losing much of

its useful heat in the process...

...while the heat from underﬂoor heating is

evenly distributed from the surface of the ﬂoor

throughout the whole living space.

Features Beneﬁts

PE-Xc Pipe, protected against thermal

ageing and stress fracture Flexible and durable

Pre-insulated pipe positioning panels Quick and easy installation

Stainless steel manifolds Robust and durable

Full suite of wireless and wired

control systems Suits any type of installation

Uses radiant heat Less circulation of dust than with

radiators, cleaner air for home

Requires lower working temperatures Maximises the efﬁciency of condensing

boilers and heat pumps

Eliminates the need for radiators Creates space on walls and allows

unrestricted layout within a room

Complements Worcester gas- and

oil-ﬁred boilers, ground source and

air to water heat pumps

Complete heating and hot water

solutions from one source

Greenﬂoor heating

Worcester’s Greenﬂoor heating system uses a water-ﬁlled

pipe system that turns the ﬂoor into a large surface area

radiator. The pipe system gently warms the space above it

through a combination of radiant energy and heat conduction.

In a modern, well-insulated space where heat loss factors

have been taken into consideration, underﬂoor heating can

act as the primary heating source and, in most cases, no

other space heating methods will be required.

Underﬂoor heating operates with lower water temperatures

than traditional radiator systems. This makes it the perfect

complement for Worcester’s ground source and air to water

heat pumps. As well as space heating, Worcester heat

pumps are able to provide a constant supply of hot water

throughout the year.

The low return water temperature of underﬂoor heating

also makes it suitable for use with Worcester condensing

boilers, ensuring they remain at their optimum efﬁciency,

with signiﬁcant energy savings.

As there are no radiators to take up space, Worcester

Greenﬂoor systems also provide maximum ﬂexibility within

the property. They can also be used with a wide range of

ﬂoor coverings, including parquet, carpeting, marble or tiles.

Underﬂoor heating is a system where every component is

important to overall performance. Worcester Greenﬂoor

systems provide a comprehensive selection of high quality

system components, while offering considerable ﬂexibility

to meet all of a project’s needs.

System components

Greenﬂoor heating systems comprise a number of elements:

• PE-Xc system pipe

• Stainless steel manifolds

• Manifold cabinets

• Pump and mixing stations

• Pipe ﬁxing methods

• Controls.

All Greenﬂoor systems are supplied complete with all

components and connections. Any specialist tools that

are necessary are also available from Worcester.

Greenﬂoor PE-Xc system pipe

The Greenﬂoor PE-Xc system

pipe is oxygen impermeable

and highly ﬂexible for ease

of installation. The pipe is

available in two sizes to

suit the panel system

(see table below).

System pipe is available in coils, with a reel available to ease

unwinding, reduce waste and avoid the need for couplings.

Pipe and pipe ﬁxing method compatibility

Pipe positioning panel 14 x 2mm 16 x 2mm

Stapler panel systems 14 x 2mm 16 x 2mm

Dry construction system 14 x 2mm –

Timber suspended ﬂoor 14 x 2mm 16 x 2mm

Pipe 14 x 2mm 16 x 2mm

PE-Xc Yes Yes

Coil length (standard) 200m 200m

Coil length (long) 750m 650m

Max. operating pressure 6bar 6bar

Max. operating temperature 90ºC 90ºC

Min. bend radius 70mm 80mm

Greenﬂoor stainless steel manifolds

All Greenﬂoor manifolds are manufactured from stainless

steel and include ﬂow meters for accurate system

commissioning. A full range of accessories is available

including ball valves and connectors.

The pre-assembled stainless steel manifolds serve 2-16

zone applications. They are supplied with integrated valves

providing a ﬁlling and draining facility and automatic air

vents. In the event of additional zones being required,

manifolds can be joined together. The ﬂow rate can be

accurately set on ﬂow meters for safe and rapid setting

of the values provided by the Worcester Design Service.

The return manifold provides threaded connections for

installation of electronic actuators.

Manifold cabinets

Greenﬂoor manifold cabinets are constructed from 1mm

galvanised sheet steel. The recessed type allow a ﬂush

ﬁnish to a plastered wall and feature pre-punched side

openings for manifold connections and pipe penetrations

at the top and bottom. They are also height adjustable

to align with the screed thickness. A surface mounted

version is also available. Both the recessed and surface

mounted cabinets are lockable to prevent unauthorised access.

Height 350mm

Depth 62mm

Material Stainless steel

Flow meters Yes

Flow & return heat source 1"

Flow & return to underﬂoor zones (PE-Xc pipe) ¾"

Note: for a two zone system, the manifold width is

200mm. For each additional zone added, the manifold

width increases by 50mm. The maximum number of

zones is 16.

Manifold cabinets

Surface

mounted

VSS-A

560

VSS-A

700

VSS-A

1000

VSS-A

1300

Width 560mm 700mm 1,000mm 1,300mm

Height 700mm 700mm 700mm 700mm

Depth 150mm 150mm 150mm 150mm

Recessed VSS-U

560

VSS-U

700

VSS-U

1000

VSS-U

1300

Width 560mm 700mm 1,000mm 1,300mm

Height

(adjustable) 780-880mm 780-880mm 780-880mm 780-880mm

Depth

(adjustable) 115-165mm 115-165mm 115-165mm 115-165mm

Greenﬂoor offers a number of pump and mixing stations to

satisfy the needs of each individual installation.

FRS pump and mixing station

The FRS standard pump and mixing station features a ﬁxed

value thermostatic injection valve, which is commissioned

on site by the installer to the speciﬁcation provided by

the Worcester Design Service. The ﬂow water temperature

will be maintained constantly at a safe and efﬁcient level.

The FRS also includes a high limit thermostat to protect

the heated ﬂoor area from excessive temperatures using a

circulating pump and temperature gauge. Each installation

of an FRS will also require an FRS connection set, available

from Worcester, to allow an easy and speedy connection to

the Greenﬂoor stainless steel manifold.

Alternatively, a choice of advanced controls featuring

weather compensation is available.

VRS pump and mixing stations

The VRS weather compensated pump and mixing stations

are available to suit up to both a 7kW and 10kW installation

and ﬁt directly to the Greenﬂoor stainless steel manifold.

The VRS station features a modulating circulating pump,

electronic mixing valve and an intelligent controller. This

feature, through input gathered by the supplied ﬂow

temperature and outdoor sensors, adjusts the output

temperature based upon external conditions.

KMS pump and mixing stations

The KMS remote pump and mixing stations feature the

same proven components and method of operation as

the VRS pump and mixing stations. The KMS provides

the ﬂexibility of mounting the station away from the

Greenﬂoor manifold and is available to suit up to both

15kW and 25kW installations.

All Greenﬂoor pump and mixing stations are provided

with comprehensive installation, commissioning and

user instructions. Further support on planning

and specifying the system can be provided by the

specialist Worcester Design Services team.

Single room extensions

The RMS pump and mixing station is designed to offer a

simple underﬂoor heating control solution for single rooms.

The RMS connects into the existing ﬂow and return circuit

of the central heating system and features a circulation

pump and a temperature limiting valve on the return side.

It is possible for the circulation pump to be electrically

supplied via a proprietary room thermostat to provide an

interlock as well as to aid energy efﬁciency. Please note

that the RMS single room pump and mixing station relies

upon the existing central heating system’s controls to be

‘calling for heat’ to achieve warming of the ﬂoor. To achieve

a greater level of independent control, an FRS standard

pump and mixing station should be selected.

FRS standard pump and mixing station

Greenﬂoor pump and mixing stations

Greenﬂoor offers a range of pipe ﬁxing methods

to suit every project.

Greenﬂoor pipe positioning panels

Greenﬂoor pipe positioning

panels are ideal for use in

new and existing buildings

and can be used with cement

or pumped liquid screed.

The channels on the panels

ensure that optimum spacing

of the pipe coils are achieved.

Pipe is ﬁxed using a press-

stud action which enables ﬁxing without clamps. The panels

are available with and without insulation.

Greenﬂoor pipe ﬁxing methods

Pipe positioning panels 30 11 Light

Length 900mm 900mm 900mm

Width 1,447mm 1,447mm 1,447mm

Depth 48mm 29mm 18mm

Thermal insulation (Rl)0.75m2k/W 0.37m2k/W None

Sound insulation 28dB None None

Unit of delivery 10.4m210.4m210.4m2

Installation centres

110mm/

165mm/

220mm

110mm/

165mm/

220mm

110mm/

165mm/

220mm

Greenﬂoor staple panels

are easy to assemble and

very cost-efﬁcient. They are

supplied as a rolled panel

and manufactured from

foamed polystyrene with a

fully bonded, tear-proof and

waterproof woven fabric

coating. The imprinted

installation grid allows for system-compatible pipe spacing,

as well as quick and easy pipe ﬁxing when using our

Greenﬂoor clip rails or staples.

Greenﬂoor dry construction system

The Greenﬂoor dry

construction system provides

the ideal solution for dry

construction in buildings of

all ages. They are particularly

popular with timbered ﬂoors

where a water-based screed

is undesirable. The system

is based on working with

dry construction panels while using steel spreader plates

into which the pipe is pressed. Easy to work with, the

system enables serpentine or spiral installations and can

accommodate even the most complex of room geometries.

Greenﬂoor timber suspended ﬂoor system

Greenﬂoor clip rail and

staples provide a simple cost

effective solution. It is ideal

for when ﬁxing pipe to ﬂoor-

grade insulation between the

joists of a timber suspended

ﬂoor. Tongue & groove or

chipboard ﬂooring can then

be laid directly across

the joists.

Staple panels 35mm roll 30mm roll

Width 1,000mm 1,000mm

Depth 35mm 30mm

Thermal insulation (Rl)0.78m2k/W 0.67m2k/W

Sound insulation 29dB 29dB

Unit of delivery 12m212m2

Timber suspended ﬂoor system Clip rail

Length 1,000mm

Width 40mm

Height 25mm

Unit of delivery 100m

Installation centres 50mm

Dry construction system Panel Straight

plate

Curved

plate

Length 1,000mm 750mm 245mm

Width 625mm 120mm 125mm

Depth 25mm 0.5mm 0.5mm

Thermal insulation (Rl)0.56m2k/W N/A N/A

Sound insulation None N/A N/A

Unit of delivery 13.1m250 pieces 25 pieces

Installation centres 125mm/250mm N/A 125mm

Flooring

Flooring underlay

Staple panel

Concrete base

Clip rail

Sub floor

Clip rail fixing pins

Greenfloor PE-Xc pipe

Pipe staple

Edging

insulation

strip

Screed

Greenﬂoor offers a choice of ﬁxing methods making it suitable for all types of ﬂoor construction in new build

and existing properties. It is most frequently used with ceramic, wood or laminate ﬂoor coverings, but can also

be used with carpets and vinyls.

Flooring

Flooring underlay

Screed

Pipe positioning panel

Concrete base

Sub floor

Greenfloor PE-Xc pipe

Edging

insulation

strip

Greenﬂoor staple panel system with clip rail

Floor constructions

Greenﬂoor pipe positioning panel system

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