Vaillant auroTHERM VFK 900, Start-Up, Maintenance And Troubleshooting Manual

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Manual - Solar hot water systems 0020009607_02 4
ENV 12977-2
Thermal solar systems and components;
Factory made systems,
Part 2: Testing methods
ISO 9459-1: 1993
Solar heating – Domestic water heating systems – Part 1:
Performance rating procedure using indoor test
methods
ISO/TR 10217
Solar energy – Water heating systems – Guide to
material selection with regard to internal corrosion
Collectors and collector assembly
EN 1991-2-4
Eurocode 1 – Basis of design and actions on structures -
Part 2–4: Actions on structures - Wind actions
Solar cylinder and cylinder installation
Pressure equipment directive 97/23/EC
Directive of the European Parliament and Council from
29th May, 1997 for the approximation of the laws on
pressure equipment of the Member States
EN 12977-3
Thermal solar systems and components;
Custom built systems,
Part 3: Performance characterisation of stores for solar
heating systems
EN 12897
Water supply - specification for indirectly heated
unvented (closed) storage water heaters
EN 806-1
Specifications for installations inside buildings conveying
water for human consumption - Part 1: General
EN 1717
Protection against pollution of potable water
installations and general requirements of devices to
prevent pollution by backflow
EN 60335-2-21
Safety of household and similar electrical appliances;
Part 2: Particular requirements for storage water
heaters (hot water cylinders and hot water boilers)
(IEC 335-2-21: 1989 and supplements 1; 1990 and 2; 1990,
modified)
Lightning protection
ENV 61024-1
Protection of structures against lightning – Part 1:
General principles (IEC 1024-1: 1990; modified)
BS 6651 Code of practice for protection of structures
against lightning
2.2 Regulations in Great Britain
2.2.1 Technical Guidance
The system must be installed in accordance with all rele-
vant and applicable national regulations, and must be in-
stalled to suit site conditions.
Observe all national regulations, including:
- Working at Heights Regulations 2005
- Health and Safety at Work Act 1974
- Electricity at Work Regulations 1989
- IEE Wiring Regulations BS 7671
- Lightning protection requirements
- Equipotential bonding of electrical installations.
2.2.2 Related documents
The installation of the solar system must be in accor-
dance with the relevant requirements of Health and
Safety Document No. 635 (The Electricity at Work Regu-
lations 1989), BS7671 (IEE Wiring Regulations) and the
Water Supply (Water Fitting) Regulations 1999, or The
Water Bylaws 2000 (Scotland). It should also be in ac-
cordance with the relevant requirements of the Local
Authority, Building Regulations, The Building Regulations
(Scotland), The Building Regulations (Northern Ireland)
and the relevant recommendations of the following Bri-
tish Standards:
BS EN 806: Specification for installations inside buil-
dings conveying water for human consumption
BS 6700: Services supplying water for domestic use
within buildings and their curtilages.
BS. 5449 Forced circulation hot water central heating
systems for domestic premises. Note: only up to 45 kW.
BS. 6880 Low temperature hot water heating systems of
output greater than 45 kW.
Part 1 Fundamental and design considerations.
Part 2 Selection of equipment.
Part 3 Installation, commissioning and maintenance.
BS 6114: Expansion vessels using an internal diaphragm
for unvented hot water supply systems
BS. 4814 Specification for: Expansion vessels using an
internal diaphragm, for sealed hot water heating sys-
tems.
Unvented hot water systems must comply with building
regulation G section 3.
2.2.3 Regulations for the prevention of accidents
When carrying out works such as solar installation work
it is necessary to do so in a safe and workman like man-
ner, taking due care of any aspects of the works that
could result in injuries to person in or about the building
2 Overview of standards, safety instructions