Simplex 4098-9687 Installation Instructions Manual page 3

THIS DEVICE IS A STAND ALONE DUCT DETECTOR. IT IS DESIGNED
TO SAMPLE THE AIR FLOW PASSING BY IT IN THE AIR DUCT TO
DETERMINE WHETHER IT CONTAINS UNACCEPTABLE LEVELS OF
SMOKE.
THE EFFECTIVENESS OF A STAND ALONE DUCT DETECTOR IS
HIGHLY DEPENDENT UPON:
• THE DESIGN AND OPERATING CONDITIONS OF THE AIR HANDLING
SYSTEM IN WHICH IT IS INSTALLED;
• VARIABLES SUCH AS SMOKE DILUTION AND STRATIFICATION OVER
WHICH EVEN THE BEST DESIGNED SYSTEMS HAVE NO CONTROL;
AND,
• PROPER PLACEMENT AND POSITIONING OF THE STAND ALONE
DUCT DETECTOR,
PRACTICAL REASONS.
FOR THE REASONS STATED ABOVE, THE EFFECTIVENESS OF THE
STAND ALONE DUCT DETECTOR CANNOT BE WARRANTEED OR
GUARANTEED. UNDER NO CIRCUMSTANCES SHOULD THIS STAND
ALONE DUCT DETECTOR BE USED AS OR REGARDED TO BE A
SUBSTITUTE FOR THE BUILDING'S REGULAR FIRE ALARM AND
DETECTION SYSTEM.
THE NFPA STATES THAT DUCT SMOKE DETECTORS MUST NOT BE
USED AS SUBSTITUTES FOR OPEN AREA PROTECTION.
CONNECT THE STAND ALONE DUCT DETECTOR TO A FIRE ALARM
CONTROL PANEL. THIS UNIT IS INTENDED AS A STAND ALONE DEVICE
FOR USE IN THE CONTROL OF AIR HANDLING EQUIPMENT FOR THE
PURPOSES OF CLOSING DAMPERS OR SHUTTING DOWN AIR
HANDLING UNITS.
firealarmresources.com
NOTICE
WHICH IS OFTEN COMPROMISED FOR
DO NOT