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The RZN 4408-K, RZN 4404-M and RZN 4408-M electric smoke vent control systems are mainly provided in building objects as e.g. industrial and office buildings, glass extensions or atriums. The controllers offer a high equipment standard and operation comfort.

An integrated service timer for monitoring 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.

• Compact SHEV control panel – AdComNet® ready
• Up to 8 A total drive current
• Stabilised output voltage
• Switchable SHEV safety functions: Fault equal to alarm, SHEV retriggering function and smoke detector remote reset
• Option to combine SHEV / building alarm function
• Integrated comfort functions for daily ventilation
• 1 slot for an additional module
• Optional connection to rain detectors or wind / rain sensors without an additional module
• Connection of up to 8 SHEV buttons and 14 fire detectors per line (Only detectors permitted by D+H may be used)
• Min. 72 hr battery backup supply