Maico MK 20 Montageanleitung Seite 8

5 Product information
DANGER Danger if the relevant regula-
tions for electrical installations are not ob-
served.
Before installing the electrics, shut down all sup-
ply circuits, deactivate the mains fuse and secure
it so it cannot be switched back on. Attach a
warning sign in a clearly visible place.
Be sure to observe the relevant regulations for
electrical installation; e.g. DIN EN 50110-1. In
Germany, particularly observe VDE 0100, with
the corresponding sections.
A mains isolation device with contact openings of
at least 3 mm at each pole is mandatory.
Only connect unit to permanently wired electrical
installation and with NYM-O or NYM-J cables,
depending on the unit variant, 3 x 1.5 mm² or 5 x
1.5 mm².
Units may only be operated using the voltage and
frequency shown on the rating plate.
The degree of protection stated on the rating
plate is only guaranteed if installation is under-
taken correctly and if the connection cable is
properly attached.
Unit may be energized even when at a standstill
and may be switched on automatically by
sensors, such as for time delay or humidity etc.
Maintenance and fault finding only permissible
when carried out by qualified electricians
CAUTION when handling packaging ma-
terials.
Observe applicable safety and accident preven-
tion regulations.
Store packaging material out of the reach of chil-
dren (risk of suffocation due to swallowing).
5 Product information
The external shutter is switched with a compon-
ent to be provided by the customer. Can be
switched on/off e.g. via on/off switch, TH thermo-
stat, TRE...S 5-step transformer or a FS 4 step
switch → Accessories.
6 Technical data
Rated voltage
Power frequency
Nominal power
Rated current
Starting current
Degree of protection
8
230 V
50 Hz
MK.. 3 W, BK.. 25 W
MK.. 0.015 A,
BK.. 0.01 A
BK.. 1.8 A - 1 sec
IP 55
Protection class
Pressure loss
Ambient and airstream
temperature
Storage temperature
Nominal sizes, dimensions [A]...[D], in [mm]
N A
MK 20 200 325
MK 25 250 370
MK 31 315 430
BK 20 200 325
BK 25 250 370
BK 31 315 430
7 Installation
NOTICE External shutter does not close cor-
rectly if it is installed under tension.
In order to guarantee the shutter function, only
mount the external shutter on a flat surface.
Allow sufficient space to the wall or ceiling.
1. Switch off mains fuse, secure against being
accidentally switched back on and position a
warning sign.
2. Ensure a level surface in the area of the in-
stallation site.
3. Install wall sleeve/ventilation channel matching
the nominal diameter in the exterior wall.
4. Attach the enclosed empty duct [3] (for the
connection cable) to the exterior wall.
Note the position of the connection cable
in the rear panel of the housing.
II (without PE con-
ductor)
11 Pa
max. +40 °C.
-20 to +60 °C, Store
unit only in a dry place
B C D
218 275 83
262 320 105.5
320 380 135.5
218 275 83
262 320 105.5
320 380 135.5