2 Safety
6
Installation instructions VRT 350 0020131957_01
2.2.4
Danger due to error functions
▶
Ensure that the heating system is in a technically perfect
condition.
▶
Ensure that no safety or monitoring devices have been
removed, bridged or disabled.
▶
Immediately rectify any faults and damage that may affect
safety.
▶
Install the controller in a location where it is not covered
by furniture, curtains, or other objects.
▶
If thermostatic control is activated, advise the operator
that, in the room where the controller is mounted, all the
radiator valves must be fully open.
▶
Do not use the unit's free terminals as supports for other
wiring.
▶
At lengths of over 10 m, 230 V supply cables must be laid
separately from sensor or bus lines.
2.3
CE label
CE labelling shows that, based on the type over-
view, the appliances comply with the basic requirements of
the following directives:
–
Electromagnetic compatibility directive (Council Directive
2004/108/EC)
–
Low voltage directive (Council Directive 2006/95/EC)
2.4
Intended use
State-of-the-art
The controller is a state-of-the-art unit manufactured in ac-
cordance with recognised safety regulations.
Even so, in the event of inappropriate or non-intended use,
damage to the appliance and other property may arise.
The controller controls a heating installation with a Vaillant
heater with eBUS interface in a way that is room-controlled
and time-dependent.
The controller can control the hot water generation of a con-
nected domestic hot water cylinder.
Operation is permissible with the following components and
accessories:
–
Domestic hot water cylinder (conventional)
–
VR 66
Control Centre
Improper use
Any other use, or use beyond that specified, shall be con-
sidered improper use. Any direct commercial or industrial use
is also deemed to be improper. The manufacturer/supplier is
not liable for any resulting damage. The user alone bears the
risk.
Improper use of any kind is prohibited.
Other applicable documents
Intended use includes the following:
