Title: Instructions manual - THGT fan.pdf
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 accommodate any motor protection devices, where applicable, for S1 duty cycle and these must be disabled or by-passed in event of one off emergency smoke operation. Power supply cables to fan motor must be suitable for temperature and time stated when installed in potential fire area. Refer cables compliant with IEC 60332. Power supply should be via a protected source to enable fan to run under emergency fire smoke conditions, Direct on line. Emergency ventilation fans, can be dual purpose, or dedicated Emergency operation. If fan is not operated for long periods then fan should be run as prescribed by local regulations, or as minimum 15 minutes each month, to ensure safe operation Ensure system operation is safe in event of