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3.4.4
Safety concept
WARNING
Risk of injury due to modified safety devices.
Non-functional, modified or defective safety devices lead to serious accidents.
•
All modifications to the unit and especially the safety devices are prohibited.
•
In case of defective safety devices, shut down the unit immediately and take it out of operation.
3.4.4.1
Safety devices
•
The cooling units have a tested pressure switch in accordance with EN 12263. The pressure switch reacts to a pressure
increase in the refrigeration circuit by switching off automatically.
•
The fans and compressors are protected against overloading and overheating. For example, the compressor is protected
against overspeeding.
3.4.4.2
Additional protection function
Only cooling units with antifreeze option.
•
The compressors and fans switch off if there is a danger of freezing.
•
The unit must be restarted to exit this switch-off function.
Operating Manual | Attachment and Installation Cooling Units | Multi Controller (MC) – 400 / 460 V, 3~ | 086100124
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