5Subject to change without notice | 83053500oUK | ait-deutschland GmbH
Existing earthing connections within housings or on
mounting plates must not be altered. If this should nev-
ertheless be necessary in the course of repair or as-
sembly work:
► Restore earthing connections to their original con-
dition after completion of the work.
Injuries caused by moving parts
► Only switch on the unit once outer panels and fan
protection grille have been fitted.
Injuries caused by high temperatures
► Before working on the unit, let it cool down.
Safety instructions and warning symbols
► Observe the safety instructions and warning sym-
bols on the packaging and on and in the unit.
Injuries and environmental damage due to
refrigerant
WARNING
The unit contains flammable (primary) re-
frigerant that is hazardous to health and the
environment. If (primary) refrigerant leaks
from the unit, there is a risk of an explosion.
Proceed as follows if refrigerant leaks from the unit
due to a leak:
1. Switch off unit.
2. Ensure that all unauthorised persons leave the
danger area immediately.
3. Remove possible ignition sources from the danger
area and keep them away from the danger area.
4. Block access to the danger area for unauthorised
persons.
5. Notify authorised after sales service.
If damage is visible on the outside of the unit, proceed
as follows:
1. Switch off unit.
2. Notify authorised after sales service.
2.5 Disposal
Environmentally hazardous substances
Improper disposal of environmentally hazardous sub-
stances (e.g. refrigerant, compressor oil) damages the
environment:
► Collect substances safely.
► Dispose of the substances in an environmental-
ly-friendly manner according to the local regulations.
2.6 Avoid damage to property
The ambient air at the heat pump’s installation site and
the air drawn in as a heat source must not contain any
corrosive components!
Constituents such as
● Ammonia
● Sulphur
● Chlorine
● Salt
● Sewage gases, flue gases
can cause damage to the heat pump, which can even
result in the complete failure/total loss of the heat pump.
Reversible devices
If the heating surfaces are used for heating and cool-
ing, the control valves must be suitable for heating and
cooling.
By cooling with low flow temperatures, condensate
can be expected to form on the heat distribution sys-
tem as the temperature falls below the dew point. If
the heat distribution system is not designed for these
operating conditions, it must be protected by appropri-
ate safety devices, e.g. dew point monitor (purchasa-
ble accessory).
Decommissioning / draining the heating
If the system/heat pump is decommissioned or drained
after already being filled, it must be ensured that
the condenser and any heat exchangers have been
drained completely in the event of freezing tempera-
tures. Residual water in heat exchangers and con-
densers can result in damage to the components.
► Completely drain the system and the condenser,
and open vent valves.
► Blow them clear with compressed air, if required.
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