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9-10
Application Notes
Coolants
The machine manufacturer must select a suitable radial fan for potentially
explosive areas under consideration of the machine specification. Radial
fans for IndraDyn A motors are generally not comprised in the Rexroth
scope of delivery. Please heed the additional information on the ATEX
motors in chapter 13, "Motors for Hazardous Areas".
Notes:
After installation of the ventilation system, a specified air
volume flow must be available at the motor (see the
information on average air volume in the motor data sheet in
chapter 4, "Technical Data"). Accordingly, when selecting
radial fans, or in case of central ventilation, the installed length
of hose or of air channel and the type of air supply (straight or
angled) must be taken into consideration.
• The machine manufacturer carries out the calculation of
the required air supply capacity using the system
specifications.
• Air channel and fan hoses do not belong to the Rexroth
scope of delivery.
The following manufacturers can supply powerful radial fans (list with no
claim for completeness):
Suppliers of radial fans (excerpt)
EBM
ZIEHL-ABEGG
Fig. 9-14:
Manufacturers of radial fans
MAF motors must only be operated via an external cooling system.
The heat of the transformed motor power loss P
cooling system. Accordingly, MAF motors may only be operated if coolant
supply is ensured. The cooling system must be rated by the machine
manufacturer in such a way that all requirements regarding flow,
pressure, purity, temperature gradient etc. are maintained in every
operating state.
Rexroth IndraDyn A
EBM Werke GmbH & Co.
Bachmühle 2
74673 Mulfingen, Germany
Tel. +49-(0)7938 / 81-0
Fax +49-(0)7938 / 81-110
http://www.ebm-werke.de/
Ziehl-Abegg GmbH & Co. KG
Zeppelinstraße 28
74653 Künzelsau, Germany
Tel. +49-(0)7940 / 16-0
Fax +49-(0)7940 / 16-300
http://www.ziehl-abegg.de/
is dissipated using the
V
DOK-MOTOR*-MAD/MAF****-PR03-EN-P
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