Explosion-protection safety precautions
42/68-168-EN RHDE8000
... 16000 (Contrac)
11
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2 Explosion-protection safety precautions
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SPals
Important
Technical modifications to the actuator or motor cancel the explosion protection.
• Before installing the actuator, review the information on the ID label regarding device class,
Ex category, Ex zone and temperature class to make sure the actuator is approved for
operation in the relevant hazardous area. In the event of deviations, the actuator may not be
put into operation.
• Check the oil level and mounting position prior to commissioning the device in explosive
atmospheres.
• Only use levers for the shaft that are specified by the manufacturer. Use of other levers
requires ATEX certification.
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2.1
Operation via frequency transformer
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• The frequency converter (electronic unit) may not installed or used within the hazardous
area.
• Check whether the electronic unit is loaded with the parameters of the actuator it is
connected to.
• Check the electronic unit for proper connection to the correct actuator.
• Setpoint monitoring is activated as default setting when the electronic unit leaves the
manufacturer. Do not de-activate this setting.
• Rapid traverse mode is not allowed on Ex actuators, and the feature cannot be activated
from the user interface.
• The Contrac power electronic unit must be upstream from the motor temperature monitoring
unit SD241B or similar, certified tripping unit.
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2.2
Preventing electrostatic charging
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Due to potential unallowed charging of the housing, the effects of high voltage sources on the
equipment must be prevented.
Important
Clean coated surfaces with a damp towel.
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Summary of Contents for RHDE8000
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