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Removing the cover panel
1)
Remove the three fixing screws.
2)
Push the cover panel downwards to release the latches.
Then remove the cover panel by pulling it towards you.
Fig. 6.6:LIA 7-16IM
Ensure that two spanners are used for tightening (If the nuts are
overtightened, the flanges may break or leak).
Seal the pipe joints with insulating filling paste (provided by the
customer) so that there are no gaps, as shown in the figure on
the right.
6.4.3 Cutting and flanging the pipes
1)
Cut the pipes to length with a pipe cutter.
2)
Remove burrs with a reamer. Burrs that are not removed
can cause leaks. When deburring, hold the end of the pipe
facing downwards so that no metal shavings can fall into the
pipe.
3)
Flange the end of the pipe after pushing on the flare nut.
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6.5 Electrical connection
ATTENTION!
This device must be correctly earthed. The earth connection must not be
linked to gas or water pipes or to the earth connection of lightning
arresters or telephones. Inadequate earthing can result in electric shocks
or leaks if the device develops a fault.
Connecting the power supply to the indoor unit
Observe local and national cabling standards and
regulations, as well as the information contained in these
installation instructions.
Use the prescribed 30 A switch for supply connection 1.
Use the prescribed 30 A switch for supply connection 2.
Use the prescribed 15 A/16 A switch for supply
connection 3.
6.5.1 Connecting cables to the indoor unit
ATTENTION!
Do not use combined indoor/outdoor cables. Use a special connecting
cable for inside/outside and ensure that the connections for each are
secure. Clamp the cable so that no external pressure can be applied to
the unit. Overheating or fire may occur if connection or fastening are not
carried out in an entirely fault free manner.
1)
The connecting cable between the indoor and outdoor units
should be an approved polychloroprene-coated 4 x 4.0 or
6.0 mm2 cable (60245 IEC 57 or more robust).
Ensure that the connection numbers on the outdoor unit are
joined to the same connection numbers on the indoor unit
via cables of the correct colour.
The earthing cable should be longer than all the other
cables, as shown in the figure relating to electrical safety, in
case it becomes loose from its fixing point.
2)
Connect the cables to the power supply via insulating
devices (disconnecting means).
The insulating devices (disconnecting means) must have a
contact gap of at least 3.0 mm.
Connect the prescribed polychloroprene-coated supply
cable 1 (3 x 4.0 or 6.0 mm²), supply cable 2 (3 x 4.0 mm²)
and supply cable 3 (3 x 1.5 mm²), type designation 60245
IEC 57 to the terminal board and the other ends of the
cables to the isolating device (disconnecting means).
3)
To ensure that no cables are damaged by sharp edges, they
should be routed through bushings (located on the base of
the indoor unit) before an electrical connection is
established.
6.5
EN-9
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