3
These instructions are intended to
assist the installer, commissioning
engineer, maintenance engineer
and the end user with the usage of
the equipment.
Please read this manual fully before
commencing the installation of the
unit. The pressurisation unit should
only be installed by persons deemed
to be competent. This manual shall
be handed to the user following
completion of the installation.
The unit shall not be left to operate
without being correctly commissioned.
Installation Requirements
The installation of the pressurisation
unit shall be in accordance with the
relevant requirements of all current
Regulations, such as;
• Pressure Systems & Transportable
Gas Containers Regulations 1989.
• Water Supply (Water Fittings)
Regulations 1999 (Amended
Dec 2000).
• Water Byelaws 2000-Scotland.
• Local Water Authority Byelaws.
• IEE Electrical Regulations.
• Health & Safety at Work Act.
• Building Regulations.
• Construction (Design &
Management) Regulations 1994.
• National Fire Regulations.
• Insurance Company requirements.
It is the law that pressure system
appliances are installed by competent
persons in accordance with the
above regulations. Failure to install
appliances correctly could lead to
prosecution. It is in your own interest
and that of safety, to ensure that this
law is complied with.
The following British Standards /
Codes of Practice are also applicable:
• BS 6644: (As amended)
Specification for gas fired hot water
pressurisation units of rated inputs
between 60kW and 2MW.
• BS 6880: (As amended) Code of
Practice for low temperature hot
water heating systems of output
greater than 45kW. Parts 1, 2 & 3.
• BS 7074: Application, selection and
installation of expansion vessels
and ancillary equipment for sealed
water systems.
• BS 7593: 1 (As amended) Code of
Practice for treatment of water in
domestic hot water central heating
systems.
• BS 7671: (As amended)
Requirements for electrical
installations. IEE Wiring Regulations.
• BS EN 60335-1: Safety of household
and similar electrical appliances.
• BS EN 41236-1: Specification for
safety valves for steam and hot
water.
• ICOM Water treatment and
Conditioning of Commercial
Heating Systems.
1.0 General Notes
General
