System Sensor INNOVAIR DH100LP دليل المستخدم

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INSTALLATION AND MAINTENANCE INSTRUCTIONS
DH100LP Air Duct Smoke Detector
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
with Extended Air Speed Range
The Innovair DH100LP model is a photoelectric detector action can be taken to shut off fans, blowers, change over
approved for an extended air speed range of 100 to 4000 air handling systems, etc. These actions can facilitate the
feet per minute (0.5 m/s to 20.3 m/s) and has an opera- management of toxic smoke an

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[3] Figure 1: Exploded View Of Duct Detector Components FOAM GASKETS CONDUIT HOLES DETECTOR SAMPLING TUBE HOUSING FILTERS PLASTIC SAMPLING TUBE TERMINAL STRIP POWER BOARD PLASTIC SAMPLING TUBE SELF-TAPPING SCREW COVER MOUNTING SCREWS DETECTOR BOARD DETECTOR COVER [5.2] Drill The Mounting Holes WARNING Remove the paper backing from the mounting template For this detector to function properly, it MUST be installed supplied. Affix the template to the duct at the desired according to the instruct

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[5.3] Secure The Detector Housing To The Duct the inlet hole on the opposite side of the duct to allow for Slide the foam gaskets over the tube bushings as shown in moisture drainage. If the tube is shorter than the width of 1 Figure 3. Use the two 1 ⁄4 ″ long sheet metal screws to screw the air duct, install the end cap into the sampling tube as the detector housing to the duct. shown in Figure 4. Sampling tubes over 3 ft. long must CAUTION: Do not overtighten the screws. be supported at th

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[5.4.3] Modifications of Sampling Tubes WARNING There may be applications where duct widths are not what In no case should more than 2 air inlet holes be cut off the is specified for the installation. In such cases, it is permis- tube. There must be a minimum of 10 holes in the tube sible to modify a sampling tube that is longer than neces- exposed to the air stream. sary to span the duct width. [5.4.2] Installation For Ducts More Than 8 Feet Wide Use a 0.193-inch diameter (#10) drill and add

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For signal wiring, (the wiring between interconnected service. Disable the zone or system under test to prevent detectors or from detectors to auxiliary devices), it is usu- unwanted alarms. ally recommended that single conductor wire be no smaller [6.1] Smoke Entry Tests than 18 gauge. The duct smoke detector terminals accom- [6.1.1] Air Flow modate wire sizes up to 12 gauge. The last foot of conduit The DH100LP is designed to operate over an extended air should be flexible conduit (availab

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the duct smoke detector housing, and the LOW side of the [6.1.5] Filter Replacement transmitter to the exhaust tube of the duct smoke detec- The filters do not substantially affect smoke performance tor housing. Measure and record the voltage drop across even when up to 90% of the filter is clogged. Quarterly the 1000 Ω resistor (measurement 2). Subtract the voltage visual inspection usually suffices to determine whether the recorded in measurement 1 from the voltage recorded in filters shoul

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Test — The trouble condition can be caused inten- If test module readings indicate that the detector head is tionally to verify correct operation of the sys- outside of the acceptable range that is printed on the label tem. Remove the detector board to cause a of the detector, the detector requires cleaning per Section trouble condition locally and at the system [7] of this manual. control panel. [7] Detector Cleaning Procedures [6.2.2] Alarm Tes

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[9] Model DH100LP Air Duct Smoke Detector Specifications Operating Temperature: +32° to +131° F 0° to +55° C Storage Temperature: –22° to +158° F –30° to +70° C Humidity: 10% to 93% R.H. noncondensing Air Velocity: 100 to 4000 ft./min. 0.5 to 20.3 m/sec. Dimensions: 14.38” L x 5.5”