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INSTALLATION AND MAINTENANCE INSTRUCTIONS
DH100ACDCLWP Watertight Air Duct Smoke 3825 Ohio Avenue, St. Charles, Illinois 60174
800/736-7672, FAX: 630-377-6495
Detector with Extended Air Speed Range www.systemsensor.com
The Innovair DH100ACDCLWP is a photoelectric extended air Model DH100ACDCLWP Air Duct Smoke Detector is sup-
speed range duct smoke detector with a NEMA 4 Rated plied as a photoelectronic model. This smoke detection
watertight housing. This detector is specially designed for meth
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[3] Figure 1: Exploded View Of Duct Smoke Detector Components DETECTOR COVER DETECTOR BOARD COVER MOUNTING SCREWS POWER BOARD TERMINAL STRIP METAL SAMPLING TUBE SAMPLING TUBE DETECTOR FILTERS HOUSING CONDUIT HOLES FOAM GASKETS [5.2] Select Mounting Orientation WARNING If possible, mount the DH100ACDCLWP with the wiring This device will not sense smoke unless the ventilation sys- entry hole(s) facing downwards, so that all wiring enters tem is operating and the cover is installed. the housing fro
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Figure 3. Air duct detector sampling tube: exhaust tube is molded onto the base of the duct housing, AIR HOLES and the A2440-00 Exhaust Tube Extension is available as SAMPLING FLANGE TUBE an accessory in those cases where the molded exhaust port END CAP does not extend at least 2 inches into the duct. The sampling tube is always installed with the air inlet ARROW AIR FLOW DIRECTION holes facing into the air flow. To assist proper installation, MUST FACE INTO AIR FLOW the tube’s mounting flange
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[5.7] Field Wiring NOTE: An alternate method to using the ST-10 is to use Installation Guidelines two ST-5 sampling tubes. Remove the flange from All wiring must be installed in compliance with the one of the tubes and install as described above. National Electrical Code and the local codes having juris- After the installation, use electrical tape to close off diction. Proper wire gauges should be used. The conduc- some of the sampling holes so that there are a total tors used to connect smoke d
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Before conducting these tests, notify the proper authorities measure and record the voltage drop across the 1000 Ω that the smoke detection system will be temporarily out of resistor (measurement 1), 4.00 volts is typical. Using flexi- service. Disable the zone or system under test to prevent ble tubing and rubber stoppers, connect the HIGH side of unwanted alarms. the transmitter to the sampling tube of the duct smoke detector housing, and the LOW side of the transmitter to the [6.1] Smoke Entr
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120 120 VAC VAC Figure 7. 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 BC 910 A B C 24 VDC, 24 VAC 50-60 HZ, OF EACH DETECTOR. SEE 120 VAC 50-60 HZ, OR SPECIFICATIONS FOR 220/240 VAC 50-60 HZ. ADDITIONAL POWER SUPPLY CONNECT POWER SOURCE INFORM
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Figure 11. Wiring diagrams for optional accessories: Figure 12. Wiring diagram for DH100ACDCLWP to SSK451 (+) (+) 15 15 ALARM SIGNAL (+) ALARM SIGNAL (+) FIELD INSTALLED JUMPER FOR TEMPORAL PATTERN AUX POWER (—) AUX POWER (—) RED COMMON 3 20 (—) 20 (—) TEMPORAL SELECT 2 ALARM SIGNAL 1 15 ALARM SIGNAL 3 DUCT DETECTOR PA400 (OPTIONAL) DUCT DETECTOR RA400Z (OPTIONAL) SUPERVISORY SIGNAL 4 SUPERVISORY NO DH100ACDCLWP AUDIBLE ALERT DH100ACDCLWP REMOTE (LED) CONTACT 14 ANNUNCIATO
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and blow out any remaining debris. Replacement tures, holes, and the interconnect terminals. Push the screens (S08-39-01) are available. board into place. 3. Vacuum photo chamber, then use clean compressed air 4. Secure board with the two mounting screws. to blow area clean. [8.2] Power Board replacement (part no. A5064) 4. Replace the chamber by pressing it onto the base. 1. Disconnect wiring from the terminal block. Press the screen into place. It should fit tightly on the 2. Remove the two po
