5
4 INSTALLATION
IMPORTANT PRE- INSTALLATION POINTS
In order to ensure the successful installation
and operation of your Gabarron boiler, please
consider the following points before commencing
.
SITING THE BOILER
WARNING
Wall and fixings must b
e
suitable to
support the total weight; MATTIRA MAC boiler
when full is
125 kg.
Allow sufficient clearance and access for operating,
maintenance and repair work.
Boiler must be protected from any water, moisture or
dampness.
Where installations are in a bathroom, the installation
must comply with the relevant electrical regulations.
Boiler electrical protection rating is IP20/IP2X. This boiler
is not designed to be installed in the open air.
The boiler must be installed in the upright position.
ELECTRICAL POWER SUPPLY & WIRING
WARNING
Before carrying out any work inside
the boiler and obtaining access to terminals, all
supply circuits must be disconnected.
WARNING
Earth the appliance. If the appliance
is not earthed, it may hold voltage if a defect
occurs.
Competency for electrical installation is required.
The power supply must meet the capacity for the heat
output required plus all other appliance that may be
supplied.
The cable, MCB and RCD must be of sufficient capacity to
carry the required load.
Boiler is supplied set at maximum output and must
be adjusted to suit the incoming supply before being
switched on. (See 5.2 LIMITING BOILER
MAXIMUM OUTPUT).
HEATING SYSTEM & CONTROLS
Any existing system must be suitable for sealed system
operation at up to 3bar pressure and will require
flushing/cleansing in accordance with the Building
Regulations.
Any new heating system must be flushed and cleansed in
accordance with the Building Regulations.
A combi filling loop, isolation valves and drain point are
required.
A time clock/room thermostat should be installed
(Necessary to activate automatic power modulation).
A bypass circuit (min 2m recommended) incorporating an
automatic bypass valve must be installed on all central
heating systems where TRV's are fitted to every radiator.
Note - A bypass circuit incorporating an automatic
bypass valve is recommended for all installations.
The correct heat requirement for the dwelling should be
calculated.
HOT WATER SYSTEM
Competency to install unvented hot water systems is
required and must be in accordance with section G3 of the
Building Regulations (England & Wales), Technical Standard
P3 (Scotland) and Building Regulation P5 (Northern
Ireland). Compliance can be achieved via a Competent
Person Self Certification Scheme or by notification of
installation to the Local Authority Building Control
Department.
Manufactu
rer’s
notes must not be taken as over-riding
statutory obligations.
Any existing system and controls (e.g. shower) must be
suitable to operate at mains water pressure.
The incoming water main pressure and flow must be
sufficient for requirements.
In all installations, the group combination inlet valve
(supplied), which incorporates a pressure reducer must be
installed on the cold water mains supply to the boiler. The
boiler safety valves require piping to a safe discharge point
as per the Building Regulations.
In hard water areas it is mandatory to protect the boiler
against lime scale formation.
4.1 GENERAL REQUIREMENTS
The installation should be carried out by a person certified
as competent for the installation of unvented hot water
systems in accordance with current building regulations.
Installation should also be in accordance with the relevant
British Standards and Codes of Practice including the
following:
BS 5449 Forced circulation hot water systems
BS 5546 Installation of hot water supplies for domestic
purposes
BS 6700 Design, installation, testing and maintenance of
services supplying water
BS7074 Application, selection and installation of expansion
vessels and ancillary equipment for sealed water
systems.
BS 7593 Code of Practice for treatment of water in heating
systems
BS 7671 Requirements for electrical installations, IEE
Wiring Regulations
i
i
Содержание MATTIRA MAC15B
Страница 36: ...36 14 WIRING DIAGRAMS ...
Страница 37: ...37 ...