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System Sensor DH400ACDCP manual

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Table of contents for the manual

  • Page 1

    D400-13-00 1 I56-555-09R DH400ACDCP Air Duct Smoke Detector INST ALLA TION AND MAINTENANCE INSTRUCTIONS 3825 Ohio A venue , St. Charles, Illinois 60 174 1-800-SENSOR2, F AX: 63 0-377-6495 www .systemsenor .com Before Installing Please thor oug hly r ead t he S y stem Sen sor Gu ide for Pr oper Use of Smoke Detector s in Duct Applicati ons (A0 5-1 0[...]

  • Page 2

    [3] Contents Of The Duct Detector Kit 1. Complete housing base and cov er assembly 2. T wo #1 0 sheet metal mounting scre ws 3. T wo sampling tube filter s 4. One test magnet 5. Drilling template 6. T wo 5/16 O-rings 7. T wo rubber tube bushing seals 8. F our #6 self-tapping mounting screw s for the sampling and optional exhaust tube e xtension 9.[...]

  • Page 3

    feet per minute . Be sur e to check engineering specifications to ensure that the air velocity in the duct falls within these parameter s . If necessary , use a velocity meter to check the air velocity in the duct. [5.2] Drill The Mounting Holes R emo ve the paper backing from the mounting template supplied. Affix the template to the duct at the [...]

  • Page 4

    [5.4.1] Installation For Ducts Less Than 8 Feet Wide 1. If the tube is longer than the width of the air duct, drill a 3/4-inch hole in the duct directly opposite the hole already cut for the inlet tube. If the tube is shorter than the width of the air duct, install the end plug into the inlet tube as shown in Figure 4. Sampling tubes ov er 3 ft. lo[...]

  • Page 5

    Install the inlet tube as follow s: 1. Drill a 3/4-inch hole in the duct directly opposite the hole already drilled for the inlet tube . 2. Slide the inlet tube with the flange into the centermost housing bushing. Position the tube so that the arr ow s point into the air flow . Secure the tube flange to the housing bushing with two #6 self-tappi[...]

  • Page 6

    24V 120 VAC 220/240 VAC 1 2 1 2 13 14 AVAILABLE POWER INPUTS ALARM AUXILIARY CONTACTS FOR FAN SHUTDOWN, ETC. 15 16 17 18 19 20 N.C. C. N.O. N.O. C. N.C. ALARM AUXILIARY CONTACTS SHOWN IN STANDBY. CONTACTS TRANSFER DURING ALARM AS INDICATED BY THE ARROWS. TROUBLE CONTACTS TROUBLE CONTACTS CLOSED IN ALARM AND STANDBY. CONTACTS OPEN WHILE DETECTOR HEA[...]

  • Page 7

    24V 120 VAC 220/240 VAC 1 2 12 13 14 AVAILABLE POWER INPUTS ALARM AUXILIARY CONTACTS FOR FAN SHUTDOWN, ETC. 15 16 17 18 19 20 N.C. C. N.O. N.O. C. N.C. ALARM AUXILIARY CONTACTS SHOWN IN STANDBY. CONTACTS TRANSFER DURING ALARM AS INDICATED BY THE ARROWS. ALARM INITIATION CONTACTS TROUBLE CONTACTS CLOSED IN ALARM AND STANDBY. CONTACTS OPEN WHILE DETE[...]

  • Page 8

    [5.6] Install The Filters T o install the sampling tube filters , simply push the filter adapter into the exhaust tube, and push the filter onto the adapter tube on the left, as shown in Figure 9. Install the other filter ov er the end of the inlet sampling tube . Figure 9. Sampling tube filter installation: SAMPLING TUBE FILTERS SAMPLING TUBE[...]

  • Page 9

    [6.1] Smoke Entr y T ests [6.1.1] Air Flow T o verify sufficient sampling of ducted air , use a manometer to measure the differ ential pressure created from air flow across the sampling tubes . The pr essure should measure no less than 0.0 1 inches of water and no greater than 1.20 inches of water . [6.1.2] Smoke Response T o determine if smok e [...]

  • Page 10

    the R T S45 1/R T S45 1KEY manual. The DH400A CDCP duct detector can be reset by the R T S45 1/R T S45 1KEY . If a sys- tem control panel is used, the panel itself may also requir e resetting. T o install the R T S45 1/R T S45 1KEY , connect the device as shown in Figur e 8; wir e runs must be limited to 25 ohms or less per interconnecting wire . P[...]

  • Page 11

    3. V acuum the photo chamber . Use clean compr essed air to blow it clean. 4. R eplace the screen by aligning the arro w on top with the field test port on the detector . Press the screen into place . It should fit tightly on the chamber . 5. R eplace the detector co v er and rotate it clockwise to lock it in place . [7.4] Reinstallation 1. R ein[...]

  • Page 12

    [8] Model DH400ACDCP Air Duct Smoke Detector Specifications Description HV A C air duct mounted ionization or photoelectronic smoke detector for separately power ed sy stems or stand alone sys- tems. A uxiliary alarm relay contacts pr ovide fan contactor shutdo wn to pr e vent HV A C circulation of smoke . Environmental Limits T emperatur e: 32°F[...]

  • Page 13

    Electrical Specifications P o wer supply v oltage: 20-29 VDC 24 V A C 5 0-60-Hz 120 V A C 50-60 Hz 220/240 V A C 50-60 Hz Input capacitance: 27 0 µ F max. 27 0 µ F max. N/A N/A R eset v oltage: 3.0 VDC min. 2.0 V A C min. 1 0 V A C min. 20 V A C min. R eset time (with R TS45 1): .03 to 0.3 sec . .03 to 0.3 sec . .03 to 0.3 sec . .03 to 0.3 sec. [...]

  • Page 14

    NOTES D400-13-00 14 I56-555-09R[...]

  • Page 15

    NOTES D400-13-00 15 I56-555-09R[...]

  • Page 16

    D400-13-00 16 I56-555-09R © Sy stem Sensor 1997 DETECTOR TEST LOG Detector Identification Infor mation Manufacturer and Serial Date Detector Model: ______________________ Number: ______________________ Installed: ___________________ Description of Detector Location: _________________________________________________________________________________[...]