1FT7 synchronous motors
Operating Instructions, 04/2010, 610.40075.40b
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Connection
6
6.1 Mechanical connection of water cooling system
The motor is connected to the cooling circuit by means of two female threads at the rear of
the motor. The inlet and outlet connections can be freely selected.
1. Make sure that the cooling water fulfills the required cooling water specification, see the
chapter titled "Cooling".
2. Make sure that the appropriate volume of cooling water is available (see the rating plate).
3. Screw the cooling water pipes into the 1/4" female threads.
4. Make sure that the maximum permissible operating pressure does not exceed 6 bar.
6.2 Electrical connection
6.2.1 Safety guidelines
DANGER
Risk of electric shock
When the rotor is turning, a voltage of around 300 V is present at the motor terminals.
All work performed on electrical components must be carried out when the motor is at a
standstill! This also applies to auxiliary circuits (e.g. separately driven fan).
Converters and connectors must only be installed by qualified personnel!
Regulations regarding work carried out in electrical installations must be observed.
The connectors may only be installed or removed when the power is off.
CAUTION
Electrostatic sensitive devices
The motor contains electrostatic sensitive devices. Touching signal connections with
electrostatically charged hands or tools can cause malfunctions.
Note the ESD protective measures.
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