Siemens SIMOTICS M-1PH8 Operating Instructions & Installation Instructions page 25

Cooling with external fan
The machine has cooling method IC 416 in accordance with IEC / EN 60034-6. The separately
driven fan unit and the terminal box can be mounted in a different position depending on the
order.
Operating instructions, external fan
Improper use of the external fan can result in death, serious injury, and material damage.
Observe and follow the operating instructions of the external fan.
CAUTION
Minimum clearance for mounted accessories
If the required cooling air flow cannot be maintained, then the machine can overheat. Material
damage can result.
Maintain a minimum clearance of 300 mm for customer-supplied mounted accessories at the
air intake opening and at the air discharge openings to ensure the required cooling air flow.
EC external fan from the Ziehl-Abegg company
For air-cooled 1PH8. motors, the EC external fans from the Ziehl-Abegg company are installed.
This are especially designed fan units for this motor series, with a permanently set operating
speed. The external fan is suitable for use in hazardous areas of Zone 22.
Terminals GND; 10V; D1; I1; A1 and A2 must not be connected and are therefore equipped
with insulators.
CAUTION
The use in IT systems is not permitted.
CAUTION
The external fan may not be cleaned with a water jet. This results in material damage.
Degree of protection
The machine is available with degree of protection IP55.
SIMOTICS M-1PH8
Operating Instructions 05/2012 A5E03986435A AA
WARNING
Description
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