Explanation of symbols and safety instructions
Vent 402 – 6721815546 (2021/03)
3
1 Explanation of symbols and safety instructions
1.1 Explanation of symbols
Warnings
In warnings, signal words at the beginning of a warning are used to
indicate the type and seriousness of the ensuing risk if measures for
minimizing danger are not taken.
The following signal words are defined and can be used in this document:
DANGER
DANGER indicates that severe or life-threatening personal injury will
occur.
WARNING
WARNING indicates that severe to life-threatening personal injury may
occur.
CAUTION
CAUTION indicates that minor to medium personal injury may occur.
NOTICE
NOTICE indicates that material damage may occur.
Important information
The info symbol indicates important information where there is no risk to
people or property.
Additional symbols
Table 1
1.2 General safety instructions
These installation instructions are intended for plumbers, heating
system installers and electricians.
Read all installation instructions (heat pump, control system etc)
carefully before installation.
Follow safety and warning instructions.
Follow national and regional regulations, technical regulations and
guidelines.
Document all work that has been performed.
H Intended operation
This heat pump is intended to be used in a closed
heating system for households. All other use is
considered unsuitable. Any damage that is caused by
such usage is excluded from liability.
H Installation, commissioning and service
Installation, commissioning and servicing of heat
pumps may only be performed by trained personnel.
Use only original spare parts.
H Electrical work
Electrical work may only be performed by authorised
electrical installers.
Before commencing work:
Disconnect mains voltage on all poles and ensure it
cannot reconnect.
Check to ensure that the power is disconnected.
Also check the connection diagram for other parts
of the system.
H Connection to supply mains
Means to safely disconnect the unit from supply mains
must be incorporated.
Install a safety switch that disconnects all poles
from supply mains.
H Supply cord
If the supply cord is damaged, it must be replaced by
the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
H Connection to water networks
This unit is intended to be permanently connected to
the water network and should not be connected with a
hose set.
The maximum allowable inlet water pressure is
1.0 MPa (10 bar).
The minimum allowable inlet water pressure is
200 kPa (2 bar).
H Handover to the user
Instruct the user on the usage and operating
conditions for the heating system at handover.
Explain how to use the system and in particular
provide information on all safety-related
instructions.
Inform the user that rebuilds and repairs may only
be performed by trained installers.
Inform the user that inspections and maintenance
are necessary for ensuring safe and
environmentally-friendly operation.
Supply the user with all the installation and
maintenance instructions.
2 Regulations
This is an original manual. This manual may not be translated without the
approval of the manufacturer.
Symbol Meaning
a step in an action sequence
a reference to a related part in the document
• a list entry
– a list entry (second level)
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