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Installation
CAUTION:
Risk of injury!
During transport and installation there are a risk of crushing injury.
During maintenance internal parts of the appliance can become hot.
▶ The installer are obliged to wear gloves during transport, installation
and maintenace.
The indoor unit is part of a heating system. Faults in the indoor unit can
occur from poor water quality in the radiators or pipework of the
underfloor heating system, or when the oxygen content in the system is
persistently high.
Oxygen causes corrosion products in the form of magnetite and
sediment.
Magnetite is an abrasive material which affects pumps, valves and
components with turbulent flow characteristics, e.g. in the condenser.
If heating systems have to be regularly refilled or if hot water samples
from these systems are cloudy, corresponding measures such as
retrofitting magnetite separators and air vents are required.
▶ Ensure the insides of the pipes are clean and do not contain any
harmful contaminants such as sulphuric compounds, oxidants,
debris and dust.
– Never store refrigerant pipes outdoors.
– Only unseal the pipe ends when you are ready to connect them to
the cold side.
– Utmost care must be taken when routing refrigerant lines.
– Only shorten refrigerant lines using pipe cutters and seal the ends
afterwards to prevent the ingress of dirt and moisture.
Dust, foreign bodies and moisture inside the refrigerant lines can be
detrimental to oil quality or can result in compressor failure.
▶ After cutting, immediately reseal reusable lengths of refrigerant
lines.
NOTICE:
Danger of faults due to contaminants in pipework!
Solids, metal/plastic filings, flax and thread tape residue and similar
material can get stuck in pumps, valves and heat exchangers.
▶ Keep foreign bodies from entering the pipework.
▶ Do not leave pipe parts and connections directly on the ground.
▶ When deburring, make sure that no residue remains in the pipe.
NOTICE:
Make sure that you use the right sensor with the appropriate
characteristics when exchanging a sensor (Chapter 11.5). Using
sensors with other characteristics leads to problems since the system is
controlled with reference to the incorrect temperature. Personal injury
such as scalding as well as damage to property can occur due to an
excessively high or low temperature. Comfort can also be adversely
affected by using the incorrect sensors.
5.1
Insulation
All heat-conducting pipework must be provided with suitable thermal
insulation according to the applicable regulations.
NOTICE:
Material damage from frost!
In case of a power outage the water in the pipes may freeze.
▶ All heat-conducting pipework must be provided with suitable thermal
insulation according to applicable regulations.
8
If it is envisaged that the cooling operation be carried out below the dew
point, all connections and cables must be appropriately insulated in
accordance with the valid regulations (minimum insulation thickness
13 mm).
5.2
Transport and storage
The indoor unit must always be transported and stored in an upright
position. It can be tilted provisionally if required.
Do not store or transport the indoor unit at temperatures below
– 10 °C.
5.3
Unpacking
▶ Remove the packaging according to the instructions on the
packaging.
▶ Take out enclosed accessories.
▶ Check that all package contents are present.
5.4
Connect the indoor unit
Fig. 5
Remove front cover
▶ Remove front cover (start at bottom)
▶ Remove the lock of the control device.
▶ Feed the connecting lead through the cable feeds to the control
device.
▶ Connect the cable as shown in the wiring diagram.
▶ Reinstall the control device lock and front cover of the indoor unit.
Compress 3000 AWES – 6720892204 (2020/06)
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