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8 Technical data
• Energy-saving motor with thermal overload pro-
tection. This switches itself off in the event of
overheating and then back on again automatic-
ally after cooling down.
• The units may be subject to jet water in areas 1
and 2 (DIN VDE 0100-701: 2008-10 or
HD 60 364-7:2007).
• Filter change indicator via TimeStrip ( → title
page).
The time strip is visibly attached to a location
of your choice (e.g. next to the unit) and after the
filter change interval has elapsed, it can be dis-
posed of in the domestic waste. Do not affix the
time strip under the cover. New time strips are
included in the scope of delivery of the exchange
air filter.
7.4.2 Controls (circuit board types)
ER-AP/ER-APB units are available in various
models with various unit features.
These features depend on the control/circuit
board type used in the fan insert.
• Standard model
• VZ model: With start delay and overrun time
• F model: Barrier-free. With light control for
rooms without windows (min. switch-on bright-
ness 30 lx, max. switch-off brightness on unit
0.3 lx). With start delay and overrun time.
• G model: With base load circuit. Continuous
operation at 35 m³/h, high speed can be
switched with optional switch.
• H model: Barrier-free. With humidity control.
Overrun time controlled by program (Can also
be operated manually with optional switch).
The switching variants and functions suited
to the circuit board type are described in these
instructions. Tolerance of all time details max.
+ 20 %
8 Technical data
8.1 Environmental conditions and op-
erating limits
• Permissible maximum temperature of air me-
dium + 40 °C.
• The air supply to the home must be set up so
that virtually no air can flow into the living areas
from the kitchen, bathroom or WC.
• A room from which the air is to be extracted
must be fitted with a non-closable, free supply
air cross section of at least 150 cm², e.g. with
Maico MLK door ventilation grille.
10
• ER units have resistance to interference in line
with EN 55014-2 (depending on pulse type and
an energy component of 1000 to 4000 V).
These values can be exceeded when operating
with fluorescent tubes. In this case, additional
interference suppression measures (L, C or RC
modules, protection diodes, varistors) are re-
quired.
8.2 Regulations for operation with
fireplaces
Sufficient supply air intake must be ensured
during operation with air-ventilated fireplaces.
The maximum permitted pressure difference per
residential unit is 4 Pa.
The unit may only be installed in residential units
with air-ventilated fireplaces under the following
conditions:
• the evaluation criteria drawn up by the respons-
ible, regional master chimney sweep are met;
• Parallel operation of air-ventilated fireplaces for
liquid or gaseous fuels and air-extracting equip-
ment can be prevented using safety devices or
• the extraction of exhaust gas from the air-ventil-
ated fireplaces is monitored by special safety
devices. The ventilation system or the fire-
places must be switched off if the equipment is
triggered.
8.3 Technical data table
Sound pressure level
L
WA7
For more technical data → rating plate.
For characteristic curves → www.maico-ventil-
atoren.com.
8.4 Storage
Only store unit horizontally in a suitable, dry
room. Ambient temperature – 10 °C to + 60 °C.
Maico accepts no liability for corrosion damage
caused by improper storage, e.g. storage in a
damp environment.
9 Mounting preparations
Suitable mounting material is to be
provided by the customer.
37 to 53 dB(A), depend-
ing on unit model
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