Maico EHD 10, Монтаж и эксплуатация, Страница: 9 / 20

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3. Product information
Fig. A: EHD unit
1 Upper part of housing
2 Terminal box cover
3 Protective grille
4 Terminal box
5 Cable lead-through
6 Connecting terminal
7 Cable grommet
8 Impeller
9 Roof
socket
T Rating plate
3.1 Product description
EHD roof fans are used to extract air from
production facilities and workplaces. For
example from canteens, commercial
premises, labs or even air extraction systems
for machines or workplaces.
EHD units are developed for use in outdoor
areas. They are either fitted on a suitable
base frame with a roof socket or directly on
the air extraction pipe without a roof socket.
EHD units have horizontal air outlet.
They are switched on and off using a
separate switch (this should be supplied by
the customer). The fan unit switches on/off
immediately when the switch is operated.
The speed of EHD units can be controlled,
for example using speed controllers ST..
and STU.., see Maico accessories.
4. Technical data
1
Permissible maximum
temperature of air medium,
depending on unit model +40 ... +70 °C
1
Rated voltage
and frequency 230 V, 50 Hz
1
Degree of protection: IP X5 (protected
from jet water
from all directions)
1
Sufficient supply air intake must be
ensured during operation with air-
ventilated fireplaces.
The maximum permitted pressure
difference per living unit is 4 Pa.
4.1 Dimensions and weights
A D1 D2 H G
EHD 10 300 98 333 225 3.1
EHD 12 300 122 333 225 3.1
EHD 15 400 147 405 266 4.4
EHD 16 400 157 405 266 4.4
EHD 20 400 198 405 266 5.0
EHD 25 400 248 405 266 5.5
EHD 31 400 314 484 322 6.0
Tab. 1: Dimensions (in mm),
Weight
s
"G" (in kg)
4.2 Maximum values for volumetric
flows and static pressure
Air flow
volume Static
pressure
EHD 10 310 m³/h 386 Pa
EHD 12 360 m³/h 337 Pa
EHD 15 560 m³/h 427 Pa
EHD 16 710 m³/h 462 Pa
EHD 20 865 m³/h 631 Pa
EHD 25 930 m³/h 650 Pa
EHD 31 1450 m³/h 807 Pa
Tab. 2: Volumetric flow, Static pressure
For technical data, also refer to the rating
plate.
GB