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8.2
Do not operate water-cooled motors without cooling water
The motor must always be connected to the cooling water supply during operation.
NOTICE
Cooling water supply
If the cooling water supply fails or if the motor is operated for a short time without water cooling,
the motor will overheat. This can result in material damage or even a write-off.
Never operate the motor without the cooling water supply switched on. Monitor the
permissible water inlet temperatures.
Risk of burning from hot steam
If the cooling water supply fails, the motor will overheat. If cooling water runs into the hot
motor, hot steam suddenly forms, which escapes under high pressure. The cooling water
system can burst. This can result in death, serious injury or material damage.
Do not connect the cooling water supply until the motor has cooled down.
8.3
Switching on the machine
● After starting the motor, observe it for a while to see if it is running smoothly and check the
● Monitor operation and the monitoring devices regularly and record the values you read off.
See also
Description (Page 21)
SIMOTICS M-1PH8 1PH818., 1PH822., 1PH828.
Operating Instructions 10/2017
WARNING
monitoring devices.
NOTICE
Speed monitoring
The motor is designed for a certain speed range.
If a motor is operated at impermissible speeds damage to the winding, bearings, or
complete destruction of the motor can be the result.
Ensure that the speeds specified on the rating plate are not exceeded by appropriately
configuring controller and speed monitoring components.
8.2 Do not operate water-cooled motors without cooling water
Operation
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