Operation: Switching On/Off; Technical Data; Transport, Storage; Installation Preparations - Maico HDR 12 Mounting And Operating Instructions

Depending on size and temperature
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conditions, it may take up to 30 mi-
nutes to cool down. Only then can
the unit be switched back on.
EC units: The internal control electronics
prevent the fan from overheating/overload
(thermal fuse in motor winding).

6. Operation: Switching on/off

The fan is switched on and off with a switch,
for example, with a suitable 3-step switch.
For accessories  Internet (www.maico-
ventilatoren.com). Ensure sufficient supply air
during operation.

7. Technical data

For technical data,  the rating plate [T].
For dimensions  Figure B.
For characteristic curves  Internet:
www.maico-ventilatoren.com.
Rated voltage
Power frequency
AC motor
EC motor
Degree of protection
Air volume
free outlet or
free inlet
Temperature class
Maximum air flow
temperature
Weight
230 V
50 Hz
50/60 Hz
IP 44
326 to 684 m³/h,
depending on unit
type
B
50 °C
AC units 2.5 kg
EC units 1.7 kg
5. Product information │ UK

8. Transport, storage

8.1 Transport
WARNING
Danger if impermissible means of
transport or lifting gear are used.
Note weight and centre of gravity (centre).
Do not stand under a suspended load.
NOTICE
Risk of damage if means of transport are
incorrectly attached. Do not place load on
sensitive components, such as the impeller.
8.2 Storage
● Only store fan horizontally in a suitable,
dry room: Ambient temperature -10 to
+60 °C.
● Before installing it, check that the diagonal
fan is working properly.
● Maico accepts no liability for corrosion
damage caused by improper storage,
e.g. storage in a damp room.

9. Installation preparations

Important mounting
i
information
Fan operation only permitted with:
● permanent installation in flexible ducts with
folded spiral-seams ducts Ø 100 to Ø 160 mm
to suit the unit type (nominal size).
● permanent electrical supply cable.
● installation on a wall, ceiling or bracket of
sufficient load-bearing capacity.
● correct installation position with terminal
box facing upwards or sideways. The
terminal box may not face downwards.
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