Assembly In A Humid Atmosphere; Motorheating - Siemens SIMOTICS 1PH818 Série Instructions De Service Et De Montage

Assembly instructions ECblue
4.5

Assembly in a humid atmosphere

Information
If a fan / motor is stationary for long periods in a humid atmosphere, it should be switched ON for
minimum of two hours every month to remove any moisture that may have condensed within the
motor.
4.6

Motorheating

A continuous power supply is required for safe operation down to the minimum permitted outer
temperature (
If the motor is not switched on with an existing power supply (no setting signal, switch off by enable),
the motorheating switches back off automatically at a controller inside temperature of -19 °C and
heating up to -15 °C.
Heating takes place via the motor winding whereby a current is induced which cannot cause rotation.
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technical data).
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Mounting