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Product Overview — (continued) <br /> Each Model HI921 detector base also contains a provision for an A quick,visual inspection is sufficient to indicate the condition of <br /> optional,concealed locking mechanism to prevent unauthorized the detector at any time. If more detailed information is <br /> removal of the detector head(Model LK 1 T). required,a printed report can be provided from the Model FC9- <br /> For proper operation of Model DPU,the technician selects the series FACPs indicating the status and settings assigned to each <br /> accessor�/s program mode,and enters the desired address. In individual detector. <br /> turn,Model DPU automatically sets and verifies the address,as Installation <br /> well as tests the detector. When in the'tesY mode;Model DPU will <br /> perform a series of diagnostic tests without altering the address or All Model HI921 detectors use a surfac�mounting base,Modef <br /> other stored data,allowing technicians to determine if the detector DB-11 or Model DB-11 E,which mounts on a 4inch octagonal, <br /> is operating properly. square or single-gang electrical box. The base utilizes screw- <br /> Model DPU operates on AC power or rechargeable batteries, clamp contacts for electrical connections and self-wiping <br /> providing flexibility and convenience in programming and testing contacts for increased reliabiliry. <br /> equipment from practically any location. The Model DB-11 base can be used with the optionaf Model LK <br /> 11 detector locking kit,which contains 50 detector locks and an <br /> Operation installation tool to prevent unauthorized removal of the detector <br /> Model HI921 also utilizes a modern,accurate and shock-resistant head. Model DB-11 has decorative plugs to cover the outer <br /> thermistor to sense temperature changes: <br /> mounting screw holes. <br /> �,;, Model H1921 may be installed on the same initiating circuit <br /> � �� with the Siemens Model'H'-series detectors[when used with <br /> � ��., <br /> �} the Model FC9-series of FACPs]— <br /> • Mode� HFP-11 <br /> �t • Model'HMS'-series manual stations <br /> �:'. <br /> • Model'HTRI'-series interfaces <br /> • Model HCP output-control devices <br /> ���`''� • Model'HZM'-series of addressable, <br /> conventional zone modules <br /> � ��«���°=f Application Data <br /> Each Model HI921 detector provides seven(7)pre-programmed Installation of Model H1921 detectors requires a two-wire <br /> parameter sets that can be selected by the FACP. circuit. In many retrofit cases,existing wiring may be used. <br /> Detector Supervision and Testing T-tapping'is permitted only for Style 4(Class B)wiring. <br /> Model H1921 is polarity insensitive,which can greatly <br /> Model HI921,which is listed as a self-testing device,contains a tri- reduce installation and debugging time. <br /> color light emitting diode(LED)indicator,capable of flashing any Model H1921 can be applied within the maximum 50-feet <br /> one(1)of three(3)distinct colors: Green,Yel low,or Red. center spacing(2,500 sq.ft.areas),per�UL. This <br /> During each flash interval,the microprocessor-based detector application guideline is based on ideal conditions, <br /> monitors the following: <br /> •Temperatures reaching programmed thresholds specifically,smooth Ceiling surfaces,minimal air movement, <br /> • Internal sensors and electronics are functional and no physical obstructions between potential fire sources <br /> and the actuaf detector. Do not mount detectors in close <br /> Based on the monitoring results,the LED indicatorflashes the proximity to ventilation or heating and air conditioning <br /> following colors based on thefollowing conditions: outlets. Exposed joints or beamed ceilings may also affect <br /> `�� � � � Flash safe spacing limitations for detectors. <br /> ������s�$r�a Ca�r���io� lnterva� Should questions arise regarding detector placement, <br /> '��'�°�°��4 � "� � -;, ;(rn setond��.� observe NFPA 72 guidelines. Good fire-protection system <br /> �� �; � <br /> - <br /> < Normal supervisory operation. engineering and common sense dictate how and when <br /> GI'een*• c Temperature has not reached 10 fire detectors are installed and used. Contact your local <br /> ; , " �, programmed atarm thresholds Siemens—Fire Safety distributor or sales office whenever <br /> `�', Y,:'�.�. or set oints. you need assistance applying Model Ht921 in unusual <br /> Detector is in trouble and needs a lications. Be sure to follow NFPA uidelines and C�UL <br /> Yellow: re lacement. 4 pp g <br /> p Listed I�ULC Pending installation instructions—included <br /> Alarm condition. 1 with every Siemens—Fire Safety detector—and local <br /> No Flash: Detector is not powered. __ codes as for all fire-protection equipment. <br /> * LED can be turned OFF. <br /> Please follow the corresponding description of the panel used. <br /> SIEMENS Industr , Inc. <br /> Building Technologies Division CerberusT"^ PRO <br />