3Subject to change without notice | 83053500oUK | ait-deutschland GmbH
1 About this operation manual
This operation manual is an integral part of the device.
► Before working on or with the device, always read
the operation manual carefully and follow it for all
activities at all times, especially the warnings and
safety instructions.
► Keep the operation manual at hand at the device
and hand it over to the new owner if the device
changes hands.
► If you have any questions or if anything is unclear,
ask the local partner of the manufacturer or the
factory’s customer service.
► Observe all reference documents.
1.1 Validity
This operation manual refers solely to the device iden-
tified by the nameplate ( “Nameplate”, page 6).
1.2 Reference documents
The following documents contain additional informa-
tion to this operation manual:
● Heat pump guide, hydraulic integration
● Operation manual for the heating and heat pump
controller
● Short description of the heat pump controller
● Operation manual for the extension board (acces-
sory)
● Operation manual for the hydraulic unit
● Repair and service instructions for heat pumps
with flammable (primary) refrigerant
1.3 Symbols and markings
Identification of warnings
Symbol Meaning
Safety-relevant information.
Warning of physical injuries.
Safety-relevant information.
Warning of physical injuries.
Flammable materials /
ammable (primary) refrigerant
Safety-relevant information.
Warning of physical injuries.
Flammable materials /
ammable (primary) refrigerant
Symbol Meaning
Safety-relevant information.
Warning of physical injuries.
Danger of fatal injury due to
electric current.
DANGER Indicates an imminent danger re-
sulting in severe injuries or death.
WARNING Indicates a potentially dangerous
situation, which can result in se-
vere injuries or death.
CAUTION Indicates a potentially dangerous
situation, which can result in mod-
erate or minor injuries.
IMPORTANT Indicates a potentially dangerous
situation, which can result in ma-
terial damage.
Symbols in the document
Symbol Meaning
Information for specialist
Information for operator
Prerequisite for an action
Procedural instructions:
Single-step instruction for action
1., 2., 3., … Procedural instructions:
Numbered step within a multi-step
instruction for action. Adhere to
the given sequence.
Additional information, e.g. a note
for making work easier, informa-
tion on standards
Reference to further information
elsewhere in the operating manual
or in another document
● List
Secure connections against twisting
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