Wiring Diagram Example Connection With Operator Unit - Maico aeronom WS 150 Einbau-, Bedienungs- Und Wartungsanleitung

4. Assembling the ventilation unit (Specialist installer)

4.6 Wiring diagram Example connection with operator unit

P Switchable power unit with volumetric flow regulation
S3 Safety circuit breaker / Door contact
M1 Outside air fan
M2 Outgoing air fan
Tmin Frost protection sensor
P2 Potentiometer for adjusting the exhaust air volumetric
flow to the supply air volumetric flow
Left-hand stop corresponds to -10%
Right-hand stop corresponds to +10%
Factory setting: central position (0%)
Note: The optional operator unit shown here is a 3-step controller with
i
timer and filter change display. The wiring diagram shown above is to be
used for connecting to the ventilation unit. Please refer to the
corresponding instructions for information about the operator unit.
Operating mode selector switch settings:
Ventilation unit OFF
Fan level 2 with normal ventilation (daytime operation)
Fan level 1 with basic ventilation (nighttime operation)
Automatic in accordance with the timer settings. The timer switches
between fan levels 2 and 1.
Fan level 3 with intensive ventilation (party operation)
4.6 Wiring diagram
Unit off
Daytime operation, fan level 2
Nighttime operation, fan level 1
Automatic operation, fan level 1/2
Party operation, fan level 3
L1 230 VAC connecting cable
L2 Control line, 4-core
RLS 2F 3-step controller (supplied on site) with timer and
filter state checking
* Green core is not required. Cut back and
insulate.
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