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9.6 Electrical connection
● Only qualified electricians are permitted
to make the electrical connections, in
compliance with the wiring diagrams in
the appendix.
● Make sure to observe the relevant regula-
tions with electrical installation; in Germany
this is particularly VDE 0100 with the
corresponding parts.
● Check the mains supply to the building
before commissioning. This must comply
with the voltage setting at the ventilation
unit.
● Fixed main power connection. Fixed
cabling is prescribed for the mains
connection, in a distribution box, for
example.
● Power cable and room air control are
already cabled in the electrical terminal
box.
● Lay all cables such that they do not
represent a danger of tripping.
Danger to life from electric
shock.
Switch off the mains fuse at
DANGER
the fuse box when carrying out
any work on the ventilation
unit's electrical equipment.
Position a visible warning
notice to avoid the unit being
accidentally switched back on.
Damage to the unit caused by
NOTICE
objects in the ventilation
channels.
First install the ventilation unit
with all supply air and exhaust
air channels.
Then make the electrical con-
nections for the ventilation unit.
Risk of damage if ESD sensi-
NOTICE
tive components on the board
are touched.
Avoid direct touching of the
components or contact
surfaces.
9.6.1 Cable screw-connections
Power cable and control cable for the room
air control are already cabled in the electri-
cal terminal box.
W1 Power cable screw-connection
W2 Control cable screw-connection
room air control
W3 Cable screw-connections (3x) for the
optional RB-D1-ZF4 room air control
and external components (CO
RFS sensor or external operating
display)
A2 Control circuit board
Danger of short-circuits/unit
NOTICE
damage caused by water
ingression in the electrical
terminal box. Make sure all
connections are made correctly.
Only connecting cables with an
i
external diameter of 5 to 10mm
are permitted. In the case of an
external operating display at W3,
e.g. 2 x 0.75mm², external diameter
6.2 mm. For a CO
e.g. LiYY control cable 3 x 0.5mm²,
external diameter 5.9 mm. For control
cable W2: LiYY 6 x 0.34 mm².
Remove the screws at the front of the
electrical connection box. Swing the cover
upwards.
/ VOC /
2
sensor at W3,
2
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