Commercial smoke extractor fan
D + H Group
The RZN 4416-M electric smoke vent control system is mainly provided in building objects such as industrial and office buildings, glass extensions or atriums. The controller offers a high equipment standard and operation comfort. An integrated service timer for monitoring of the maintenance rate, numerous connectible functions for alarms and faults and adjustable functions like a time limit for ventilation and stroke-arresting device are as much part of the standard of this system as internal fault and diagnostic indicators.