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2 Safety instructions and regulations
2
Safety instructions and
regulations
The VR 34 0-10 V --> eBus interface must be
installed by a recognised competent company
which will be responsible for complyimg with
existing standards and regulations.
2.1
Safety instructions
d
Danger!
Risk of fatal electric shock from
touching live connections!
Before performing work on the device,
switch off the power supply and se-
cure it against being switched on
again.
Using the mains switch on the boiler
is not sufficient to isolate all termi-
nals on the system.
4
a
Caution!
Risk of damage to the equipment!
The installation, electrical connection
and initial commissioning may only be
carried out by a recognised compe-
tent company.
h
Note
Pay particular attention to the instal-
lation instructions for the boiler and
the VR 34 0-10 V --> eBus interface
being connected.
2.2
Regulations
All wiring must be in accordance with Building
Regulations Part P and BS 7671 (IEE Wiring
Regulations), and must be carried out by a
suitably qualified person.
Standard cabling should be used to connect
the VR 34 0-10 V --> eBus interface. The maxi-
mum cable length between the VR 34 and the
external controller is 6 m.
Installation instructions 0-10 V --> eBUS Interface VR 34 0020017083_03
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