Siemens ZN-31U System 3 Input Module, Data Sheet

Data 3TM Module ZN 31U Light emitting diode LED Alarm indicator AND ENGINEER SPECIFICATIONS LED Trouble indicator Dual zoning Placement supervised Solid state circuitry UL 864 9th Edition Listed FM Approved Overview Siemens Fire Safety dual contact zone Model ZN 31U is designed to provide 2 detector line circuits that incorporate devices These devices may be boxes waterflow switches thermal relay contacts etc Each circuit provides B supervision Model ZN 31U also contains 2 red LED Alarm lamps and two 2 yellow Trouble lamps one of each for each circuit operation of any shorting type device on the detection circuit the system will into Alarm condition initiating the start of the functions designed into the system as ringing alarm bells operating coded transmitters closing doors shutting down and equipment recalling elevators etc In to the system Alarm the red LED alarm on the face of the module for the particular in Alarm mode will be illuminated Industry Inc Technologies Division ZN 31U also provides a current limited output for the zone in Alarm mode for activating a Alarm relay module or annunciator The zone Alarm indicating circuits and lamps are reset from the System 3 fire control panel FACP yellow LED Trouble lamps one for each circuit illuminate should a break occur in the detector Such a condition will initiate a system trouble The yellow LED Trouble indicators will be upon restoration of circuit integrity or receipt of any system Alarm command red and yellow LEDs can be lamp tested from System 3 FACP ZN 31U is placement supervised providing a Trouble signal upon removal from the 3TM Input Module 3108 Features ZN 31U can be made to operate in the ways Normal mode Non mode and Humidity Range ZN 31U is UL 864 9th Edition Listed for dry locations within a temperature range 120 3 49 2 to 32 3 0 2 at a relative humidity of 93 2 at a of 90 3 32 2 Ratings Requirement max per circuit for Ordering 500 886170 Dual Contact Zone Module Weight Diagram This marketing data sheet is not intended to be used for system design or installation purposes the most up to date information refer to each product installation instructions Industry Inc Technologies Division Safety Fernwood Road Park NJ 07932 973 593 2600 908 547 6877 www SBT Siemens com FIS in U S A Safety Kenview Boulevard Ontario 5E4 Canada 905 799 9937 905 799 9858 2011 sheet dated 4 05