Safety Instructions And Regulations; Safety Instructions; Regulations - Vaillant 0-10 V VR 34 Installationsanleitung

2 Safety instructions and regulations

2 Safety instructions and

regulations

This bus coupler must only be installed by a
competent person in accordance with the Gas
Safety (Installation and Use) Regulations
1998. In the UK 'CORGI' registered installers
undertake the work in compliance with safe
and satisfactory standard. We accept no
liability for any damage caused by failure to
observe these instructions.
2.1

Safety instructions

d Danger!
Risk of fatal electric shock from
touching live connections. Before
working on the appliance, switch off
the power supply and secure it
against reconnection. Using the
mains switch on the controllers is not
sufficient to isolate all terminals of
the system.
4
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. Use standard wires
for wiring. Maximum length between VR 34
and BEMS 0-10 V controller is 6 m.
Installation manual Interface 0-10 V VR 34 0020017083_00