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<br />609 SERIES
<br />
<br />AIR DUCT SMOKE DETECTORS
<br />
<br />DESCRIPTION
<br />
<br />The ESL 609 Series Air Duct Smoke Detectors consist of an ESL 600
<br />Series photoelectronic or ionization smoke detector head, a Model
<br />609UOO duct detector housing, and one selected function card, The
<br />interchangeable sensing head and function card configuration allows
<br />great flexibility in product application,
<br />
<br />The assemblies feature a modular design that allows easy selection
<br />of the desired signaling and control functions, The rugged mechani-
<br />cal design includes a manifold and a clear partitioned cover that
<br />directs all sampled air through the sensing chamber of the selected
<br />smoke detector.
<br />
<br />The clear partitioned cover allows viewing of the UNJOUEintegral air
<br />flow monitor which indicates the presence and direction of air flow
<br />through the sensing area of the enclosure, Additionally, the cover
<br />includes a probe port for in-place measurement of the actual air
<br />velocity using an anomometer. The air inlet filter may be visually
<br />inspected through the clear cover for dust and dirt accumulation,
<br />
<br />A solid steel conduit mounting plate features knockouts for 1/2 and
<br />3/4 inch conduit and provides continuous grounding between con-
<br />duits, Integral inlet and exhaust sampling tubes, which are suitable
<br />for duct widths of six or more inches, are provided, OPTIONAL
<br />extension sampling tubes are available in two, four, and eight foot
<br />lengths,
<br />
<br />This product is approved for use without additional extension
<br />sampling tubes.
<br />
<br />NOTE: In some applications, the addition of an optional extension
<br />sampling tube may cause the air flow monitor to stop rotating, This
<br />is a result of the lesser air volume being sampled with the optional
<br />extension tube, mostly attributable to its smaller inside diameter.
<br />
<br />Standard features also include a local red LED alarm indicator, local
<br />functional te~t capability, and a continuity switch for checking the
<br />system wiring,
<br />
<br />The integral compartment accepts one electronic function card,
<br />Each function card is provided with barrier-type, clamping-plate,
<br />screw terminal strips to accept field wiring connections of wire sizes,
<br />12 AWG through 18 AWG, These terminal strips are designed to
<br />prevent "looping" of wires and provide for supeNision of conductors,
<br />Function cards are available in several configurations. Please refer
<br />to pages 2 and 3 for electrical specifications.
<br />
<br />APPROVALS
<br />
<br />The ESL 609 Series Air Duct Smoke Detectors are for use in commer-
<br />cial fire protective signaling systems, NFPA 71 and 72 (formerly
<br />designated as 72A, 728, 72C and 720). and in commercial air
<br />conditioning and ventilating systems (NFPA 90A), Listed by Under-
<br />writers Laboratories, Inc,; California State Fire Marshal Approved
<br />(Listing #3240-447:120); New York City, Board of Standards and
<br />Appeals approved (Calendar No. 122-73-SA); State of Maryland
<br />approved (Permit #1905); City of Cleveland approved (Docket S-5-88),
<br />
<br />California State
<br />Fire Marshal
<br />Approved
<br />
<br />Patented
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<br />FEATURES
<br />
<br />@
<br />
<br />· Photoelectronic or Ionization Detection
<br />~'Requires NO Extension Sampling Tubes
<br />· UNIQUE Visible Air-Flow Indicator
<br />· Two-wire 12/24 VDC Operation
<br />· Four-wire 120 VAC, 24 VDC, 24 VAC Operation
<br />· Modular Design
<br />· Transparent Housing Covers
<br />· Local Reset Capability
<br />· Local Test and Alarm LED
<br />· Remote Alarm, Test and Reset Capability
<br />· Optional Auxiliary Alann Contacts
<br />· Optional Supervisory Contacts
<br />· Listed to UL 268A
<br />
<br />APPLICATION
<br />
<br />The function of an air duct smoke detector is to detect smoke for the
<br />primary purpose of controlling air movement by air conditioning and
<br />ventilating systems, in an attempt to prevent panic and damage from
<br />the distribution of smoke and gaseous products,
<br />
<br />The interchangeable detector configuration allows great flexibility in
<br />product application, The ESL 600 Series smoke detectors are suited
<br />for commercial, industrial, institutional and residential fire alarm
<br />systems,
<br />
<br />Electronic function cards provide for two-wire and four-wire operation
<br />for alarm initiation and/or releasing seNice applications, Two-wire
<br />detectors must be connected to UL Listed compatible initiating cir-
<br />cuits, Four-wire function cards for low voltage DC operation, may also
<br />be operated from a nominal 24 VAC power supply, commonly avail-
<br />able in many HV AC applications, For more application information on
<br />the 609 Series function cards, refer to pages 2 and 3,
<br />
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