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INSTALLATION AND MAINTENANCE INSTRUCTIONS
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
DH100ACDCP Air Duct Smoke Detector
Before Installing or signaling of up to 9 other detectors in the loop for mul-
Please thoroughly read the System Sensor Guide for Proper tiple fan shut down. These detectors are not designed for
Use of Smoke Detectors in Duct Applications (A05-1004), 2-wire applications.
which provides detailed information on detector
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[3] Figure 1. Exploded View Of Duct Smoke Detector Components: FOAM GASKETS CONDUIT HOLES DETECTOR HOUSING PLASTIC SAMPLING TUBE TERMINAL STRIP POWER BOARD PLASTIC SAMPLING TUBE SELF-TAPPING SCREW DETECTOR BOARD SAMPLING TUBE FILTERS DETECTOR COVER COVER MOUNTING SCREWS [5.2.1] Sampling Tube Installation for Ducts Less 1 Than 1 ⁄2 Feet Wide (see Figure 2) [4] Contents Of The Duct Smoke Detector Kit 1. Remove the front cover. 1. Complete housing base and cover assembly 1 2. Slide the plastic sa
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Figure 3. Installation of foam gaskets over sampling 3. Secure the tube flange to the housing bushing with two tube bushings: #6 self-tapping screws. SCREW HOLES FOR 4. For tubes longer than the width of the air duct, the tube ATTACHING HOUSING should extend out of the opposite side of the duct. If TO DUCT WORK. there are more than 2 holes in the section of the tube extending out of the duct, select a different length using Table 1. Otherwise, trim the end of the tube protruding through th
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Install the inlet tube as follows: [5.5] Install The Filters 3 1. Drill a ⁄4-inch hole in the duct directly opposite the hole To install the sampling tube filters, simply push the filters already drilled for the inlet tube. Make sure the hole is into the sampling and exhaust tube holes, as shown in 1 to 2 ″ below the inlet hole on the opposite side of the Figure 6. If a metal sampling tube is used, install the filters duct to allow for moisture drainage. over the tube ends. 2. Slide the inle
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3 Wiring connections are made by stripping about /8-inch of [6.1.3] Filter Replacement insulation from the end of the wire, sliding the bare end The filters do not substantially affect smoke performance under the plate, and tightening the clamping plate screw. even when up to 90% of the filter is clogged. Quarterly visual inspection usually suffices to determine whether the [5.7] Perform Detector Check filters should be replaced because only a high percentage 1. Perform STANDBY AND TROUBLE T
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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 B C 9 10 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 INFO
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Figure 11. Wiring diagrams for optional accessories: Figure 12. Wiring diagram for DH100ACDCP to SSK451: (+) (+) 15 15 FIELD INSTALLED ALARM SIGNAL (+) ALARM SIGNAL (+) JUMPER FOR TEMPORAL PATTERN AUX POWER (—) AUX POWER (—) RED COMMON 3 20 (—) 20 (—) TEMPORAL SELECT 2 ALARM SIGNAL 1 15 ALARM SIGNAL SUPERVISORY SIGNAL 4 3 SUPERVISORY DUCT DETECTOR PA400 (OPTIONAL) DUCT DETECTOR RA400Z (OPTIONAL) NO DH100ACDC AUDIBLE ALERT DH100ACDC REMOTE (LED) CONTACT 1
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[7.3] Ion Detector Boards board into place. 1. Brush or vacuum inside area of cover. Chamber may 4. Secure board with the two mounting screws. then be blown out using clean, compressed air. [8.2] Power Board replacement (Part No. A5064) 2. Vacuum sensing chamber before using clean, compressed 1. Disconnect wiring from the terminal block. air to loosen and blow out any remaining debris. 2. Remove the two power board mounting screws. [8.0] Board Replacement 3. Pull gently on the board to r
