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Fixing plate LD 30 ARE BB / ARW BB
(0093.1526 / 0093.1527)
Fixing plate for compensating frame
LD 30 ARE / LD 30 ARW.
2 Specialist installer qualification
Shell measures may only be undertaken by
a trained specialist in accordance with these
instructions.
Only a trained electrician is permitted to un-
dertake final mounting and work on the elec-
trics. You are considered a trained electrician
if your specialist training and experience
● means that you are familiar with the relevant
standards and guidelines
● enables you to correctly and safely under-
take the electrical connections in accord-
ance with the wiring diagram provided and
● enables you to recognise and avoid risks
and hazards associated with electricity.
3 Intended use
LD 45-/LD 30 ventilation units with heat
recovery are used for air extraction / ventila-
tion of apartments, offices and similar rooms.
They are suitable for new builds and reno-
vation work. The units are designed for 24h
operation. The residential unit's ventilation
system should be configured in accordance
with DIN 1946-6.
LD 45 are ventilation units, which are gener-
ally only suited to use in supply air rooms.
To achieve efficient ventilation of LD 45 units,
we would recommend operating the LD 45
in pairs with alternating ventilation and air
extraction. We recommend multiple ventilation
units per room for larger living units.
LD 45 units are available in the following mod-
els: "O" for object, "K" for comfort and "RC" for
radio-controlled.
2 Specialist installer qualification | UK
LD 30 are balanced ventilation units, which
are the ideal choice for use in exhaust air
rooms (bathroom, WC or kitchen with win-
dows) and aerate and ventilate the rooms at
the same time. Exhaust air mode is started
automatically depending on the setting or can
be started manually at the touch of a button.
LD 30 are stand-alone units or can be used
in groups with other LD 30/LD 45 units. LD
30 can also be used in damp rooms, protec-
tive zone 1. Combinations of LD 30 BK units
with exhaust air units (e.g. ER/ECA) are not
possible.
LD 45 are fitted in external walls (wall thick-
ness 265-790 mm), LD 30 in external walls
(wall thickness 320-790 mm). The ventilation
units are connected to a permanent electrical
installation.
The ventilation units are operated using a
room air control suited to the unit type:
● LDS 45 O or LDS 45 K control
for LD 45 O/K and LD 30 BO/K.
● Radio switch DS 45 RC for LD 45 RC.
Alternatively with LDS 45 K + LD 45 EO-ER
radio extension module.
● Combinations of LD 30 BK units LDS 45 O
controls are not possible.
An external cover LD 45 ABK/AE/AW is man-
datory for LD 45 units ( Accessories) with
integrated condensate drip edge. Alternative-
ly, a combination with the soffit element LD 45
LBE is permissible (condensate drain via the
drip edge-external grille).
An external cover LD 30 AK/AE/AW is manda-
tory for LD 30 units. These external covers
divert the condensate via the side grille.
LD 45-/LD 30 ventilation units are only intend-
ed for domestic use and similar purposes. No
other or additional use is intended.
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