10
3.2 Product description
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EZD 25/4 D and EZD ... B
Single-phase AC model with capacitor
motor. Can be switched to
ventilation or
air extraction
with separate switch.
Horizontal air outlet. Speed controllable.
On/off with separate switch. The fan
switches on/off when the switch is
operated.
●
EZD 25/4 E
Single-phase AC model with shaded-pole
motor. For
air extraction
.
Horizontal air outlet. Speed controllable.
On/off with separate switch. The fan
switches on/off when the switch is
operated.
●
DZD 25/4 D and DZD … B
Three-phase AC version with
asynchronous motor. Can be switched to
ventilation or air extraction
with separate
switch.
Horizontal air outlet. Speed controllable.
On/off with separate switch. The fan
switches on/off when the switch is
operated.
Direction of rotation, air flow direction
●
Air extraction = anti-clockwise
(measuring mode)
Direction of rotation for impeller anti-
clockwise*. Air flow direction for roof
flashing –> roof cowl.
●
Ventilation = clockwise
(reversing mode)
Direction of rotation for impeller clockwise*.
Air flow direction
roof cowl –> roof flashing.
Volumetric flow reduced by approx. 35%
compared with measuring mode.
*
Looking roof flashing [14] to impeller [10].
4.
Technical data
See rating plate [S2]
Maximum permitted temperature
of the air 60 °C.
5.
Essential safety instructions
5.1 General safety instructions
●
Read the operating instructions through
carefully before starting up.
●
The device must not be used as a toy.
●
Keep the instructions.
●
Installation is only permitted when
carried out by trained specialists.
●
Electrical connections and repairs are
only permitted when carried out by
trained specialists.
●
Only use fitters and electricians who are
sure-footed and comfortable working at
height.
●
The degree of protection stated on the
rating plate is only guaranteed
– if installation is undertaken correctly and
– if the cables are correctly guided into the
terminal box.
●
Permanent electrical supply cable.
Only connect the unit to a permanent
electrical installation (cable cross section
max. 1.5 mm²). This must be equipped with
a mains isolation device with contact
openings of at least 3 mm at each pole.
●
A service switch must be fitted at the
installation location such that the unit on
site can be completely disconnected from
the power supply for cleaning, maintenance
or repair work. It must be possible for the
service switch to be secured against being
switched back on.
●
The unit may only be operated using the
voltage and frequency shown on the rating
plate.
●
Only operate the unit when it is completely
installed.
●
Modifications and alterations to the unit are
not permitted and release Maico from any
guarantee obligations and liability.
●
Ensure that foreign bodies cannot be
sucked into the unit and duct.
●
Never operate without protective grille with
free inlet. For example, fit a Maico
protective grille SG.. .
GB