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Subject to change without notice | 83050400fUK – Translation into English of the original German operating manual | ait-deutschland GmbH
Insert the power line and the sensor wires into the
unit through the rubber sockets on the back of the
unit…
1 Rubber sockets
For positioning of the rubber sockets for
inserting the wires, see “Dimensional drawing”
for the respective model.
The wires inside the unit are guided in a closed wire
duct to the switch cabinet…
1 Wire duct in unit
2 Cable glands switch cabinet
3 Connections for power
and control wires
4 Connections for regulator board
Install electric connections according to the
terminal diagram that applies to your model…
Terminal diagram for respective model.
ATTENTION
Ensure clockwise rotary field of the load power
supply (compressor).
– An incorrect rotary field of the compressor
during operation can cause serious, irrepa-
rable damage to the compressor.
ATTENTION
The power supply for the heat pump must be
equipped with a three-phase automatic circuit-
breaker with at least 3mm contact spacing to
IEC 60947-2.
Note the level of the tripping current.
Overview “Technical data / scope of delivery”,
“Electric” section.
ATTENTION
The sensor cable for heat quantity recording
may not be shortened!
NOTICE.
The control element of the heat and heat pump
regulator can be a connection with a computer
or network using an network cable designed for
such pruposes, thus allowing the heating and
heat pump regulator to be controlled remotely.
If such a connection is desired, install a screened
network cable (category 6, with RJ-45 plug)
through the unit when installing the connections
and run it through the front facade of the unit,
parallel to the already-present heating and heat
pump regulator control cable.
Close electrical switch cabinet of unit.
