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INSTALLATION AND MAINTENANCE INSTRUCTIONS
DH100ACDCLP Air Duct Smoke Detector 3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
www.systemsensor.com
with Extended Air Speed Range
The Innovair DH100ACDCLP model is a photoelectric (alarm initiation), HVAC control, and other auxiliary func-
detector approved for an extended air speed range of 100 to tions. Auxiliary relays are also provided for fan shut down
4000 feet per minute (0.5 m/s to 20.3 m/s) and an opera- or
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[3] Figure 1: Exploded View of Duct Smoke Detector Components FOAM GASKETS CONDUIT HOLES DETECTOR HOUSING SAMPLING TUBE FILTERS METAL SAMPLING TUBE TERMINAL STRIP POWER BOARD COVER MOUNTING SCREWS DETECTOR BOARD DETECTOR COVER H0165-00 [4] Contents Of The Duct Smoke Detector Kit NOTE: The sampling tube end cap is critical to the proper 1. Complete housing base and cover assembly operation of the duct smoke detector. The end cap 1 2. Two #10 x 1/4 ″ sheet metal screws for mounting is needed
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[5.4] Sampling Tube Installation for Ducts Greater NOTE: The sampling tube end cap is critical to the proper 1 Than 1 ⁄2 Feet Wide operation of the duct smoke detector. The end cap The sampling tube is identified by a series of air inlet holes is needed to create the proper air flow to the sensor on the tube. A plastic tube is included for ducts up to 18 ″ of the duct smoke detector. in width. All other lengths must be purchased separately. Order the correct length, as specified in Table 1,
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3. From inside the duct, couple the other sections of the CAUTION sampling tube to the section already installed using the 1 /2 ″ conduit fittings supplied. Make sure that the holes on Filters require periodic cleaning or replacement, depend- both of the air inlet tubes are lined up and facing into ing on the amount of dust and dirt accumulated. Visually the air flow. inspect the filters at least quarterly; inspect them more often 4. Trim the end of the tube protruding through the duct so if
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[6] Duct Smoke Detector Maintenance and Test [6.1.4] Air Flow Test using Dwyer Series 607 Procedures Differential Pressure Transmitter Test and maintain duct smoke detectors as recommended Verify the air speed of the duct using an anemometer. Air in NFPA 72. The tests contained in this manual were speed must be at least 100 FPM. Wire the Dwyer transmit- devised to assist maintenance personnel in verification of ter as shown in Figure 7. Connect the leads of the meter proper detector operation
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120 120 VAC VAC Figure 8. System wiring diagram for 4-wire duct smoke detectors: CAUTION Do not loop wire under terminals when wiring detectors. Break wire runs to provide system supervision of connections. AVAILABLE POWER INPUTS AVAILABLE POWER INPUTS CONNECT POWER SOURCE POWER INPUTS ACCEPT TO APPROPRIATE TERMINALS 9 10 A B C 9 10 A B C 24 VDC, 24 VAC 50-60 HZ, OF EACH DETECTOR. SEE CONNECT POWER SOURCE SPECIFICATIONS FOR TO APPROPRIATE TERMINALS ADDITIONAL POWER SUPPLY OF EACH DETECTOR.
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Figure 12. Wiring diagrams for optional accessories: Figure 13. Wiring diagram for DH100ACDCLP to FIELD INSTALLED SSK451 JUMPER FOR (+) (+) TEMPORAL PATTERN 15 15 ALARM SIGNAL (+) ALARM SIGNAL (+) SSK451 DH100ACDCLP COMMON 3 RED AUX POWER (–) AUX POWER (–) TEMPORAL SELECT 2 20 (–) 20 (–) ALARM SIGNAL 1 15 ALARM SIGNAL SUPERVISORY SIGNAL 4 3 SUPERVISORY NO DUCT DETECTOR PA400 (OPTIONAL) DUCT DETECTOR RA400Z (OPTIONAL) CONTACT 14 DH100ACDCLP AUDIBLE ALERT DH100ACDCLP REMOTE (
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loosen and blow out any remaining debris. Replacement 3. To replace the board, align the board mounting fea- screens (S08-39-01) are available. tures, holes, and the interconnect terminals. Push the 3. Vacuum photo chamber, then use clean compressed air board into place. to blow area clean. 4. Secure board with the two mounting screws. 4. Replace the chamber by pressing it onto the base. [8.2] Power Board replacement (part no. A5064) Press the screen into place. It should fit tightly on
