Safety 1
0020198787_00 VR 70 Installation instructions
3
1
Safety
1.1
General safety information
1.1.1 Risk of death from live connections
There is a risk of death from electric shock
when working on the product when it is open.
▶
Switch the main switch off before removing
the cover to work on the product.
▶
Disconnect the product from the power
mains by de-energising the product using
a partition with a contact opening of at
least 3 mm (e.g. fuses or power switches).
▶
Check that the product is de-energised.
▶
Secure the power supply against being
switched on again.
1.1.2 Material damage due to unsuitable
installation room
If you are installing the product in a moist en-
vironment, the electronics may be damaged
by moisture.
▶
Only install the product in dry rooms.
1.1.3 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.
▶
At lengths of over 10 m, 230 V supply
cables must be laid separately from sensor
or bus lines.
▶
Secure all supply lines in the casing using
the enclosed strain relief.
▶
Do not use the unit's free terminals as sup-
ports for other wiring.
1.2
Requirements for lines
▶
Use standard commercial lines for the wir-
ing.
▶
Do not use flexible lines for 230 V lines.
▶
Use sheathed cables for 230 V lines (e.g.
NYM 3 x 1.5).
Minimum cross-section
Supply line 230 V (pump or
mixer mains cable)
≥
1.5 mm
²
eBUS line (extra-low
voltage)
≥
0.75 mm
²
Sensor line (extra-low
voltage)
≥
0.75 mm
²
Maximum line length
Sensor lines
≤
50 m
Bus lines
≤
125 m
1.3
Regulations (directives, laws,
standards)
▶
Observe the national regulations, stand-
ards, guidelines and laws.
1.4
Intended use
In the event of inappropriate or improper use,
damage to the product and other property
may arise.
This product is a system component that en-
hances the system's functionality. A controller
controls and regulates the functions via an
eBUS interface.
Operation is permissible with the following
component:
–
VRC 700
Intended use includes the following:
–
observance of accompanying operating,
installation and servicing instructions for
the product and any other system compon-
ents
–
compliance with all inspection and main-
tenance conditions listed in the instruc-
tions.
This product can be used by children over
eight years old and also by persons with lim-
ited physical, sensory or mental capabilities
or insufficient experience and/or knowledge if
they are supervised or have been provided
with instructions on how to safely use the
product, and they understand the risks res-
ulting from using the product. Children must
not play with the product. Cleaning and user
maintenance work must not be carried out by
children unless they are supervised.
Any other use that is not specified in these
instructions, or use beyond that specified in
this document shall be considered improper