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Rexroth IndraDyn A
Radial Ventilation in Hazardous Areas
Sample application
DOK-MOTOR*-MAD/MAF****-PR03-EN-P
(1):
Machine
(2):
Air flow-off space
(3):
Air suck-in space
Fig. 9-12:
MAD ventilation
⇒ Observe the air flow in the machine construction. The minimum
distance is 80 mm for all MAD motors.
⇒ The design for all fan variants is "blowing".
Pollution can reduce the performance of the fans and lead to thermal
overload of the motors.
When the machine is operated in a polluted environment, increase the
system availability by regularly cleaning the fan and motor radiator fins.
The machine construction must allow easy access to the motor and the
fans for maintenance work purposes.
When IndraDyn A motors in ATEX version are operated in a potentially
explosive atmosphere, clean air for the motor cooling must be supplied
from the outside via a hose or an air channel.
⇒ For this application, select motors with fan cover and fan cowl to
connect an air hose.
(1):
Air exit
(2):
Motor
(3):
Air duct (not included in scope of delivery)
(4):
Air entry (not included in scope of delivery)
(5):
Working area
Fig. 9-13:
Example for radial ventilation via fan cowl
9-9
Application Notes
80 mm
MAD_Application5.EPS
Lüfterstutzen.EPS
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