Worcester 27Ri Compact Installation, Commissioning And Servicing Instructions page 4

KEY TO SYMBOLS AND SAFETY INSTRUCTIONS
the correct equipment for their needs, that it is installed, commissioned
and serviced in accordance with the manufacturer's instructions by
competent persons and that it meets the requirements of the
appropriate Building Regulations.
The Benchmark Checklist can be used to demonstrate compliance with
Building Regulations and should be provided to the customer for future
reference.
The guarantee of this product is dependant on the Benchmark checklist
being completed and the actions undertaken.
Installers are required to carry out installation, commissioning and
servicing work in accordance with the Benchmark Code of Practice
which is available from the Heating and Hotwater Industry Council who
manage and promote the scheme.
Visit centralheating.co.uk for more information.
HEALTH AND SAFETY
The appliance contains no asbestos and no substances have been used
in the construction process that contravene the COSHH Regulations
(Control of Substances Hazardous to Health Regulations 1988).
COMBUSTION AND CORROSIVE MATERIALS
Do not store or use any combustible materials (paper, thinners, paints
etc.) inside or within the vicinity of the appliance.
Chemically aggressive substances can corrode the appliance and
invalidate any guarantee.
FITTING AND MODIFICATION
Fitting the appliance and any controls to the appliance may only be
carried out by a competent engineer in accordance with the current Gas
Safety (Installation and Use) Regulations.
FLUE SYSTEMS
Only use Worcester, Bosch approved flue systems, no other
manufacturer's flue systems have been approved for use with Worcester
appliances.
Flue systems must not be modified in any way other than as described in
the fitting instructions. Any misuse or unauthorised modifications to the
appliance, flue or associated components and systems could invalidate
the guarantee. The manufacturer accepts no liability arising from any
such actions, excluding statutory rights.
SERVICING
Advise the user to have the system serviced annually by a competent,
qualified Gas Safe registered engineer. Approved spares must be used
to help maintain the economy, safety and reliability of the appliance.
IMPORTANT
The service engineer must complete the Service Record on the
Benchmark Checklist after each service.
INSTALLATION REGULATIONS
Current Gas Safety (Installation & Use) Regulations:
All gas appliances must be installed by a competent person in
accordance with the above regulations.
Failure to install appliances correctly could lead to prosecution.
The appliance must be installed in accordance with, and comply to, the
current: Gas Safety Regulations, IEE Regulations, Building Regulations,
Building Standards (Scotland) (Consolidation), Building Regulations
(Northern Ireland), local water by-laws, Health & Safety Document 635
(The Electricity at Work Regulations 1989) and any other local
requirements.
4
Benchmark places
responsibilities on both
manufacturers and installers.
The purpose is to ensure that
customers are provided with
BRITISH STANDARDS
Where no specific instruction is given, reference should be made to the
relevant British Standard codes of Practice.
BS7074:1 Code of practice for domestic and hot water supply
BS6891 Installation of low pressure gas pipe work up to 28mm
(R1)
BS5546 Installation of gas hot water supplies for domestic
purposes
EN12828 Central heating for domestic premises
BS5440:1 Flues and ventilation for gas appliances of rated heating
not exceeding 70kW (net): Flues
BS5440:2 Flues and ventilation for gas appliances of rated heating
not exceeding 70kW (net.: Air Supply
BS7593 Treatment of water in domestic hot water central heating
systems
BS6798 Installation of gas fired boilers of rated input up to 70kW
(net)
L.P.G. INSTALLATIONS
An appliance using L.P.G. must not be installed in a room or internal
space below ground level unless one side of the building is open to the
ground.
IRISH STANDARDS
The relevant Irish standards should be followed, including:
• ECTI National rules for electrical installations
• IS 813:2002 for Domestic Gas Installations.
BUILDING REGULATIONS PART L 1A 2010
If the installation is in a new build property or is a first time installation in
an existing property, heating systems must conform to current building
regulations Part L1a.
All new heating systems in dwellings must have at least two heating
zones. Each of these zones will be operated separately by both time and
temperature controls.
The exception to this are single storey, open plan dwellings where the
living area is more than 70% of the total usable floor area. Then this type
of dwelling can be controlled as one zone.
All radiators must have TRVs fitted, where reasonable, in all rooms
except bathrooms and rooms with thermostats.
BUILDING REGULATIONS PART L 1B 2010 - BOILER REPLACEMENT
For boiler replacement on an existing system, it is not necessary to zone
the system, compliance with the zone requirements can be achieved by
a single room thermostat or programmable room thermostat.
CH WATER
Artificially softened water must not be used to fill the central heating
system.
APPLIANCE AND FLUE INSTALLATION
The appliance must be installed in such a manner so that:
• a service engineer has clear and safe access to work on the appliance,
as described in the installation manual.
• the home owner has reasonable access to the appliance controls for
adjustment and possible resetting or re-pressurising.
Loft cavities where appliances are fitted, must have:
• permanently fitted, lighting.
• permanently fitted, retractable loft ladder.
• fixed floor area sufficient to allow access for normal use and servicing
directly under and around the appliance and between the appliance
and the loft access hatch, as stated in the Gas Safety Installation
regulations.
Adequate provision must be made for visual inspection of all flue
connections or joints.
Greenstar Ri Compact 6 720 646 610 (2013/12)