Electrical Connection - Maico WRG 180 EC Mounting And Operating Instructions

5.5.1 Ventilation unit housing emissions
It is not recommended that you install the
ventilation unit in the living area, kitchen or
bathroom as the housing noise emissions
exceed 35 dB(A).
Recommendation: Install the ventilation unit
in a room that has a sufficient level of sound
insulation from the remaining living areas.
5.5.2 Designing the air channels
Observe the prescribed sound
pressure level of < 25 dB(A) in
living areas and < 30 dB(A) in
functional areas. Silencers must
be installed in the ventilation
channels.
Recommendation: Install telephony sound
absorbers to reduce the sound transfer
between the individual rooms.

5.6 Electrical connection

The WRG 180 EC must be installed in line
with local requirements. The advice given in
this manual must be observed
The unit may only be connected
to the mains power after the
supply and exhaust air channels
have been connected.
Only qualified electricians are permitted
to make the electrical connections, in
compliance with the wiring diagram below.
A fixed cabling is prescribed for the mains
connection, in a distribution box, for example.
Caution: Risk of an electric
shock. Malpractices run the
risk of death
Always switch off the mains fuse in
the fuse box before starting work on
the electrical installation and post a
warning sign to prevent this being
switched back on by mistake.
12
.
5.6.1 Connecting the room air control
The room air control should be connected to
cable (A) on the top of the unit.
The power supply phase must be
connected to terminal 5 on the room
air control so that the unit can be
powered off.