Electrical Connection; Cable Screw-Connections - Maico aeronom WR 300 Instructions De Montage Et Mode D'emploi

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
regulations 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

A Power cable
B Room air control (in the living
room)
W1, W2 Cable screw connection with
connection lead already cabled
in the ventilation unit
W3 Cable screw-connections (3x) for
the optional RLS D1 WR room air
control and external components
(CO / VOC sensor or external
2
operating display)
Danger of short-circuits and
NOTICE
unit damage by a build-up of
condensation in the electrical
connection box.
 Screw the cable screw
connections tightly closed, so
that no dampness can get into
the electrical connection box.
 Only connecting cables with an
i
external diameter of 5 to 10 mm
are permitted. In the case of an
external operating display at W3,
e.g. 2 x 0.75 mm², external diameter
6.2 mm. For a CO
e.g. LiYY control cable 3 x 0.5 mm²,
external diameter 5.9 mm. For
control cable W2: LiYY 6 x 0.34 mm².
 Loosen both quick-release clips and open
the front shutter downwards.
 Remove the 6 screws that hold the front
cover in place. Remove the front cover.
 Feed a customer-supplied connection
cable through the W3 cable screw connec-
tion into the electrical connection box.
 Connect the cables as described in
Chapter 9.6.5.
sensor at W3,
2
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