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Vaillant VRC 470F Manual

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Safety
Installation instructions VRC 470f 0020124645_00 5
2
2 Safety
2.1 Safety and warning information
> When installing the VRC 470f, take account of the
basic safety instructions and the warnings that may
appear before an action.
2.1.1 Classification of warnings
The warning notes are classified in accordance with the
severity of the possible danger using the following dan-
ger signs and signal words:
Danger sign Signal
word
Explanation
a
Danger!
Immediate risk of death
or
risk of severe personal
injury
e
Danger!
Risk of death from elec-
tric shock
a
Warning!
Risk of minor personal
injury
b
Caution!
Risk of material or envi-
ronmental damage
Tab. 2.1 Meaning of danger signs and signal words
2.1.2 Structure of warnings
Warning signs are identified by an upper and lower sepa-
rating line and are laid out according to the following
basic principle:
a
Signal word!
Type and source of danger!
Explanation of the type and source of danger.
> Measures for averting the danger.
2.2 Intended use
The Vaillant VRC 470f controller is a state-of-the-art
appliance constructed in accordance with recognised
safety regulations. Nevertheless, there is a risk of death
or serious injury to the operator or others or of damage
to the appliances and other property in the event of
improper use or use for which they are not intended.
The Vaillant VRC 470f controller controls a heating sys-
tem based on outside temperature and programmed tim-
ings. The controller is connected to a Vaillant boiler with
an eBUS interface.
The controller can also control the supply of domestic
hot water from a connected DHW cylinder with or with-
out secondary return.
You should only remove the controller temporarily from
the wall-mounting base, e.g. to adjust the settings. Apart
from that, you should always operate it in conjunction
with the wall-mounting base.
Operation is permissible with the following components
and accessories:
– Domestic hot water cylinder (conventional)
– Vaillant stratified charge cylinder actoSTOR VIH RL
– Circulation pump for the hot water supply
– Second heating circuit
– Solar system
– Remote control unit
Any other use, or use beyond that specified, shall be
considered as improper use. Any direct commercial or
industrial use is also deemed to be improper. The manu-
facturer/supplier is not liable for any damage resulting
from improper use. In this case, the user alone bears the
liability.
It is also considered as intended use to observe:
– the operating and installation instructions
– all other applicable documents
– compliance with the care and maintenance conditions.
Improper use of any kind is prohibited!
2.3 Basic safety instructions
The device must be installed by a competent person,
who is responsible for compliance with the applicable
requirements, regulations and directives.
> Read through these installation instructions carefully.
> Carry out the activities that are described in these
installation instructions.
> During the installation, observe the following safety
instructions and regulations.
… 5 …


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  • How can one test if a VR20 outside temp. sensor is working? If pressing the Red button on the rear of the module does not activate the flashing green light. is this an indication of faulty unit? The lens is clean. Solar sensor charging at around 2.1 volts. Battery is at 3volts. Submitted on 29-12-2021 at 16:45

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