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Cooling water-cooled motors
Cooling circuit
The cooling circuit consists of an enclosed, internal air circulation, which is driven by the shaft-
mounted fans and stainless steel tubes that are directly integrated into the laminated stator
core; cooling type IC 71W according to IEC / EN 60034‑6.
Cooling capacity
To ensure adequate cooling of the motor, it is essential to adhere to the specified cooling water
rate, temperature and cooling water quality (Page 29).
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.
WARNING
Improper use of the 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.
See also
Additional documents (Page 167)
External fan
Different external fans are used depending on the shaft height and particular motor version:
Type
Version
External fan
1PH818.
1PH822.
Standard version
EC external fan with single-phase EC motor
Version with option L75 External fan with three-phase motor
Version with option L76 EC external fan with three-phase EC motor
1PH828.
Standard version
External fan with three-phase motor
EC external fans with a fixed operating speed have been specifically designed for this motor
series.
Degree of protection
Depending on the version, the machine has degree of protection IP23 or IP55.
Description
SIMOTICS M-1PH8 1PH818., 1PH822., 1PH828.
Operating Instructions 10/2017
25
Summary of Contents for SIMOTICS M-1PH818
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Page 14: ...Introduction SIMOTICS M 1PH8 1PH818 1PH822 1PH828 14 Operating Instructions 10 2017 ...
Page 28: ...Description SIMOTICS M 1PH8 1PH818 1PH822 1PH828 28 Operating Instructions 10 2017 ...
Page 104: ...Operation 8 10 Faults SIMOTICS M 1PH8 1PH818 1PH822 1PH828 104 Operating Instructions 10 2017 ...
Page 166: ...Quality documents SIMOTICS M 1PH8 1PH818 1PH822 1PH828 166 Operating Instructions 10 2017 ...
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