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Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 230 V | 086100113 17/66
3.4.4 Safety concept
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.
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