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3.5
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
as well as workers, passers by and the general public at
large. To that end these works must conform, but not be
limited to, the current regulations in force such as the
following
Health and Safety at Work act 1974
Work at Height Regulations 2005
Electricity at Work Regulations 1989
All necessary Building Regulations.
Work should be preceded by a risk assessment covering
all aspects of health and safety risks, or training require-
ments that can reasonably be foreseen to be associated
with the work. All scaffolding in the UK, other than pre-
fabricated (zip-up) scaffold towers, must be designed
and constructed by a vetted contractor, and have suita-
ble kick boards, hand rails and where appropriate net-
ting. Areas around the scaffolding should be zoned off
and marked with suitable warning signs to a suitable dis-
tance to protect persons from falling objects.
Workers should have available and use personal protec-
tive equipment as necessary. This would include equip-
ment such as fall protection systems, safety gloves, gog-
gles, dust masks as well as any specialised equipment
that may be in use such as lifting and handling equip-
ment.
The completed works shall comply with all necessary
BS EN Standards and Codes of practice as well as Build-
ing control or planning requirements and be confirmed
where necessary by notification to building control or
the appropriate competence based notification body.
> When fitting the collectors, observe the applicable
national regulations for working at the particular
height.
> Provide the mandatory fall protection by using, e.g.,
roof restraining frameworks or roof protection walls.
> If a roof restraining framework or a roof protection
wall is not appropriate, use safety harnesses such as,
e.g., the Vaillant safety belt (not available in all coun-
tries) as fall protection.
> Use gloves to prevent injuries on sharp-edged parts.
> Only use tools and aids (e.g. lifting gear or lean-to lad-
ders) that conform to the particular applicable acci-
dent prevention regulations.
> Cordon off the areas in the fall zone below the assem-
bly position so that persons cannot be injured by fall-
ing objects.
> Identify the work area with, e.g. signs conforming to
the applicable regulations.
Installation manual auroTHERM 0020100606_02
Transport and assembly instructions 3
3.6
Lightning protection
b
Caution!
Damage from lightning!
With installation heights of over 20 m, or if
the flat collectors project beyond the ridge of
the roof, the system can be damaged by light-
ning strikes.
> Connect the electrically conducting parts
to a lightning protection device.
3.7
Frost protection
b
Caution!
Damage due to frost!
Residual water can damage the flat collectors
in frosty weather.
> Never fill or flush the flat collector with
water.
> Only fill and flush the flat collector with
Vaillant ready-mixed solar fluid.
> Check the solar fluid regularly with an anti-
freeze tester.
3.8
Overvoltage protection
a
Danger!
Risk of death caused by improper
installation!
Mains voltage may be present on the pipe-
work as a result of improper installation or
a defective power cable, and can cause per-
sonal injury.
> Fasten earthing clamps to the pipework.
> Bond the earthing clamps to a busbar using
16 mm
2
b
Caution!
Risk of voltage surge!
Overvoltage can damage the solar system.
> Earth the solar circuit to provide equipo-
tential bonding and overvoltage protection.
> Fasten earthing clamps to the solar circuit
pipework.
> Bond the earthing clamps to a busbar using
16 mm
2
copper cable.
copper cable.
7
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