System Sensor Innovair DH200PL Installation And Maintenance Instructions Manual
System Sensor Innovair DH200PL Installation And Maintenance Instructions Manual

System Sensor Innovair DH200PL Installation And Maintenance Instructions Manual

Intelligent air duct smoke detector with extended air speed range

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INSTALLATION AND MAINTENANCE INSTRUCTIONS
DH200PL Intelligent Air Duct Smoke Detector
with Extended Air Speed Range
Before installing detectors, please thoroughly read the
NEMA Guide for Proper Use of Smoke Detectors in Duct
Applications, which provides detailed information on detec-
tor spacing, placement, zoning, wiring, and special appli-
cations. Copies of this manual are available from NEMA
(National Electrical Manufacturers Association, 2101 L
Street NW, Washington, DC 20037). NFPA Standards 72 and
90A should also be referenced for detailed information.
NOTICE: This manual shall be left with the owner/user of
this equipment.
IMPORTANT: This detector must be tested and maintained
regularly following NFPA 72 requirements. The detector
should be cleaned at least once a year.
General Description
An HVAC system supplies conditioned air to virtually every
area of a building. Smoke introduced into this air duct sys-
tem is distributed to the entire building. Smoke detectors
Contents of the Duct Smoke Detector Housing Kit
The DH200PL Duct Smoke Detector consists of the following items: (See Figure 1.)
Figure 1. Exploded View Of Duct Smoke Detector Components:
FOAM
GASKETS
PLASTIC
SAMPLING TUBE
PLASTIC SAMPLING TUBE
SELF-TAPPING SCREW
DETECTOR BOARD
DETECTOR
COVER
H0456-00
NOTE: For ducts over 1
be the correct length for the width of the duct where they will be installed. See Table 1 on page 3 to determine
the sampling tube required for different duct widths.
D200-38-00
CONDUIT HOLES
SAMPLING TUBE
FILTERS
1
feet (0.46m), longer sampling tubes must be ordered to complete the installation. They must
2
designed for use in air duct systems are used to sense the
presence of smoke in the duct.
The DH200PL air duct smoke detector is a photoelectric
detector. This smoke detection method combines with an
efficient housing design that samples air passing through a
duct and allows detection of a developing hazardous condi-
tion. When sufficient smoke is sensed, an alarm signal is
initiated at the fire control panel monitoring the detector,
and appropriate action can be taken to shut off fans, blow-
ers and change over air handling systems, etc. This can
prevent the distribution or it can isolate toxic smoke and
fire gases throughout the areas served by the duct system.
Two LEDs on each detector may illuminate, if programmed
by the system control panel, to provide a local alarm indi-
cation. There is also a remote alarm output for use with
auxiliary devices. The DH200PL has remote test capability
with the RTS451/RTS451KEY Remote Test Station.
DETECTOR
HOUSING
TERMINAL STRIP
POWER BOARD
COVER MOUNTING
SCREWS
1
3825 Ohio Avenue, St. Charles, Illinois 60174
800/736-7672, FAX: 630-377-6495
www.systemsensor.com
Contents Of The Duct Smoke Detector
1. Complete duct smoke detector assem-
bly with sensor
2. Two #10 x 1
1
" sheet metal mounting
4
screws
3. Two sampling tube filters
4. One test magnet
5. Drilling template
6. Two foam gaskets
7. Four #6-self tapping mounting screws
for the sampling tube and optional
exhaust tube extension
8. One sampling tube end cap
9. One plastic sampling tube
10. One #8 self-tapping screw for plastic
sampling tube
NOTE: A detector sensor board DOES
NOT need to be ordered separately.
I56-1976-004R

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  • Page 1 INSTALLATION AND MAINTENANCE INSTRUCTIONS DH200PL Intelligent Air Duct Smoke Detector 3825 Ohio Avenue, St. Charles, Illinois 60174 with Extended Air Speed Range 800/736-7672, FAX: 630-377-6495 www.systemsensor.com Before installing detectors, please thoroughly read the designed for use in air duct systems are used to sense the NEMA Guide for Proper Use of Smoke Detectors in Duct presence of smoke in the duct.
  • Page 2: Table Of Contents

    WARNING [2.1] Sampling Tube Installation for Ducts Less Than Limitations of Duct Detectors ⁄ Feet (0.46m) Wide (see Figure 2) The National Fire Protection Association has established that 1. Remove the front cover. DUCT DETECTORS MUST NOT BE USED AS A SUBSTITUTE 2.
  • Page 3: Step 4.1 Installation For Ducts Greater Than

    [4.1] Installation For Ducts Greater Than 1 ⁄ Feet Figure 4. Air duct detector sampling tube: (0.46m) But Less Than 8 Feet (2.4m) Wide AIR HOLES 1. If the tube is longer than the width of the air duct, drill SAMPLING FLANGE TUBE ⁄...
  • Page 4: Step 5. Install The Filters

    [6] Field Wiring Installation Guidelines 3. From inside the duct, couple the other sections of the All wiring must be installed in compliance with the sampling tube to the section already installed using the National Electrical Code and the local codes having juris- ⁄...
  • Page 5: Step 7. Perform Detector Check

    tion 9.1.2. [9.1.2] Air Flow Test using Aerosol Smoke This test is intended for low-flow systems (100-500 FPM). If the air speed is greater than 500 FPM, use a conventional manometer to measure differential pressure between the sampling tubes, as described in 9.1.1. Drill a ⁄...
  • Page 6 for proper operation. [9.2] Standby, Alarm, And Sensitivity Tests [9.2.1] Standby And Trouble Figure 8. Procedure for verifying air flow: Standby — If the system control panel is programmed, TO SAMPLING TUBE look for the presence of the flashing LEDs through TO EXHAUST TUBE the transparent housing cover.
  • Page 7 3. The detector is self-restoring when the magnet is blow out any remaining debris. Replacement screens (p/n removed. Verify that the system control panel has reset. S08-39-01) are available from System Sensor. 3. Vacuum photo chamber, then use clean compressed air to Figure 12. Testing detector alarm: blow area clean.
  • Page 8 Warranty, expressed or implied whatsoever, even if the loss or damage is vice for a period of three years from date of manufacture. System Sensor caused by the Company’s negligence or fault. Some states do not allow makes no other express warranty for this air duct smoke detector.

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