3. Safety
Only qualified contractors should carry out installation, commis-
sioning, maintenance and repair of the appliance.
3.1 General safety instructions
We guarantee trouble-free function and operational reliability
only if the original accessories and spare parts intended for the
appliance are used.
3.2 Instructions, standards and regulations
Observe all applicable national and regional regulati-
ons and instructions.
The installation of the system is subject to approval
under the Building Regulations, Water Byelaws and
Regulations, the Health and Safety at Work Act 1974
(where appropriate) and the Health and Safety at Work
(Northern Ireland) Order 1978 (where appropriate).
3.3 Water installation
3.3.1 Cold water line
Steel or copper pipes or plastic pipework are approved as mate-
rials.
A safety relief valve is required.
3.3.2 DHW line
Copper or plastic pipework are approved as materials.
!
Plastic pipe systems with the instantanous water he-
ater the operating temperature can be adjusted upto
max. 70 °C. The maximum temperature can be limited
to 65 °C. In case of failures temperatures can rise up
to 85°C (max. 0.6 MPa).
» The appliance must be operated with mains pressure taps.
!
The installation (water and electrical installation)
and first start-up, as well as the maintenance of this
unit may only be carried out by an approved specia-
list installer in accordance with these Instructions.
Perfect function and operational safety are
only guaranteed with original accessories
and spare parts intended for the unit.
The installation should be carried out in accor-
dance with the relevant water (WRAS) and elec-
trical (IEE) guidelines and regulations.
Installation should be carried out in accordance with
the relevant water and electricity supply companys
regulations.
3.4 Electrical installation
!
Electrical connection only with fixed-laid leads in
association with removable cable bushings.
The unit must be capable of all-pole disconnection
from the mains, for example by fuses, with an isola-
ting distance of at least 3mm.
3.5 Operating and installation instructions
Keep these Instructions carefully. In the event of a change of ow-
nership, hand them over to the new owners, and give them to the
qualified installer to read in the event of maintenance and possible
repair work being carried out.
4. Equipment description
The system is designed to operate with mains water pressure, and
a set of fittings is provided for this purpose.
5. Installation instructions
Delivered with the appliance are:
— Mounting bracket (2 pce. for appliances > 120 l)
— Spacers (2 pce. for above, 2 pce. for underneath)
— Safety assembly
— Comp Adapter
— Flat gasket
— Expansion vessel 8 litre
— Bracket for expansion vessel
— Tundish
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