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Subject to change without notice | 83050700fUK – Translation into English of the original German operating manual | ait-deutschland GmbH
Opened switch box size 1:
1 Controller board connections
2 Power and control
cable connections
Opened switch box size 2:
1 Controller board connections
2 Power and control
cable connections
Feed the load and control cables as well as the
cables for sensors into the inside of the unit through
the openings provided at the rear of the unit…
For positioning of the rubber grommets for
feeding through the cables, see “dimensioned
drawing” for the respective model.
Lay load and control leads in the cable duct inside
the unit all the way to the switchbox.
Install electrical connections according to the ter-
minal diagram and the circuit diagrams.
“Terminal diagrams” and “Circuit diagrams” for
the respective model.
IMPORTANT
Install electric connections only according to the
terminal diagram and the circuit diagrams that
apply to your model.
IMPORTANT
Ensure clockwise rotary field of the load power
supply (compressor).
Operation with the incorrect rotary direction of
the compressor can cause serious, irreparable
damage to the compressor.
IMPORTANT
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.
“Technical data
/
Scope of delivery” overview,
“Electrics” section.
IMPORTANT
The sensor cable for heat quantity recording
may not be shortened!
NOTE.
The control panel of the heating and heat pump
controller can be connected to a computer or
network using a suitable network cable, enabling
the heating and heat pump controller to be con-
trolled remotely from there.