Title: Instructions manual - THGT fan.pdf
Warning: To prevent ATEX Ex e motored product temperature rise exceeding the maximum limit, protection devices must trip: A) If maximum temperature achieved. B) Within specified time (tE) if short circuit or short circuit current to rated current ratio achieved (IA / IN) This data is foundon Ex e motor labels.Refer IEC EN 60079 -7, IEC EN 60079 – 14. Emergency ventilation fan and motors are suitable for S1 duty cycle, and one off emergency smoke operation, where fan is able to run at stated temperature and time, or to destruction, and thus no motor protection devices must stop this. The fan motor power supply must be designed to accomodate any motor protection devices, where applicable, for S1 duty cycle and these27IEC EN 60079-17: Electrical installations inspection and maintenance IEC EN 60079 – 19: Equipment repair, overhaul and reclamation1.2.11 Safety risks – summary list.