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6.4 Connect the electrical cables
ATTENTION
Irreparable damage to the compressor due to
wrong rotating field!
► Ensure that there is a clockwise rotating field for
the compressor load infeed.
Basic information on the electrical connection
NOTE
Ensure that the unit is supplied with electricity
at all times. After working inside the unit and
attaching the unit panelling, switch the power
supply back on immediately.
●
The specifications of the local power supply
company may apply to electrical connections.
●
Fit the power supply for the heat pump with an
all-pole miniature circuit-breaker with at least
3 mm contact spacing (IEC 60947-2).
●
Note
the
level
( "Technical data/Scope of supply" on page
24).
●
Comply with the electromagnetic compatibility
regulations (EMC regulations).
– Lay the control/sensor cables and unit supply
cable sufficiently far apart (> 100 mm).
– Lay unshielded power supply cables and
shielded cables (LIN bus cable) sufficiently
far apart.
●
Do not lengthen the patch cable and LIN bus
cable. LIN bus cables up to 30 m long can be
used if the quality of the cable is the same as
that of the original cable.
Pull in the cables and conductors and make
the connections
1.
Strip the sheathing of all cables to the external
loads before laying in the cable duct of the
control box.
2.
Open electrical switchbox:
– Undo 4 screws in the cover panel of the
electrical control box.
– Remove the cover panel.
16
Subject to change without notice | 83057100bUK – Translation into English of the original German operating manual | ait-deutschland GmbH
of
the
tripping
current
3.
Feed the control/sensor cables and unit supply
cable into the housing from the rear.
4.
Route cables from underneath through the cable
openings in the control box.
5.
Connect cables to the respective terminals
( "Terminal diagram" on page 35).
Control the controller via a PC
1.
D uring installation lay a shielded network cable
(category 6) through the unit.
2.
P lug the RJ-45 connector of the network cable
into the socket of the control unit (1).
1
NOTE
The network cable can be retrofitted at any
time.
6.5 Installing the control
NOTE
The control can be inserted in a recess in the
front panel of the unit or can be installed on
the wall.
Insert the control in the unit and connect
1.
If required: Remove masking plate from the
slot. To do this, dismantle the front panel
( "Dismantle housing panels for transport with
handcart or carrying the unit" on page 10),
press the lugs together and push out of the
openings.
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