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Summary of Contents for Simplex 4098-9681
- Page 1 4098-9681, -9752, -9753 Duct Housings Installation Instructions 574-710 Rev. D...
- Page 2 NOTICE THESE DEVICES ARE DUCT SMOKE HOUSINGS. WHEN PROVIDED WITH DETECTOR/SENSOR, THEY ARE DESIGNED TO SAMPLE THE AIR FLOW PASSING BY IT IN THE AIR DUCT TO DETERMINE WHETHER IT CONTAINS UNACCEPTABLE LEVELS OF SMOKE. THE EFFECTIVENESS OF A DUCT SMOKE DETECTOR/SENSOR IS HIGHLY DEPENDENT UPON: - THE DESIGN AND OPERATING CONDITIONS OF THE AIR HANDLING SYSTEM IN WHICH IT IS INSTALLED;...
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Page 3: Table Of Contents
Detector Base is protected by U.S. Patent No. 5,173,683. 1998 Simplex Time Recorder Company., Gardner MA 01441-0001 U.S.A. 1998 Simplex International Time Equipment Co., Ltd., Mississauga, Ontario L4V 1H3 Canada. All specifications and other information shown were current as of publication, and are subject to change without notice. - Page 4 BLANK PAGE...
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Page 5: General Description
All housing(s) must have a baffle installed. Use the 4098- 9826 baffle, furnished with the duct housing. The 4098-9681 housing has an “Alarm” (Red LED) and “Power On” (Green LED). The “Power On” LED does not operate for two-wire circuits. The 4098- 9752 and 4098-9753 housing(s) have a red LED only. -
Page 6: Setting The Duct Sensor's Address
Setting the Duct Sensor’s Address General Duct sensor addressing is critical since the 2120 Communicating Device Transmitter (CDT), 4010, 4020, 4100+, and 4120 Systems report alarms and troubles per duct sensor rather than per zone. Each duct sensor has a unique address. - Page 7 Setting the Duct Sensor’s Address, Continued Address Setting for the 4010, Mark an address label with the appropriate address for your duct sensor by 4020, 4100+, or 4120 shading a label box for each sensor DIP switch in the ON position. Then (continued) apply the label to the sensor near the sensor’s DIP switches.
- Page 8 Setting the Duct Sensor’s Address, Continued 4010, 4020, 4100+, OR 4120 USE ONLY DIPSWITCH IS SHOWN SET AT ADDRESS 7. 1 = ON 0 = OFF DIP SWITCHES 5 THRU 8 0000 1000 0100 1100 0010 1010 0110 1110 0001 1001 0101 1101 0011 1011 0111 1111 0000 112 128 144 160 176 192 208 224 240 1000...
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Page 9: Electrical Specifications
The duct sensor obtains both power and data over this wire pair. (Shielded twisted pair-wire for the MAPNET II/IDNet circuit is recommended; if not shielded or twisted, consult Simplex Sales Engineering.) For relay operation (4098-9753 only), a separate 24VDC source of power is required in addition to the MAPNET II/IDNet lines. - Page 10 Electrical Specifications, Continued Figure 4. Two-Wire MAPNET II/IDNet Operation Continued on next page...
- Page 11 Electrical Specifications, Continued Figure 5. MAPNET II/IDNet Operation with 24VDC Power for Relay Control Continued on next page...
- Page 12 Electrical Specifications, Continued Figure 6. MAPNET II/IDNet Operation with 120VAC Power for Relay Control Continued on next page...
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Page 13: Non-Addressable Duct Housing - 4098-9681
Electrical Specifications, Continued Non-Addressable Duct Set up the 4098-9681 Duct Housing for the electrical configurations listed Housing - 4098-9681 below: Two-Wire DC Operation (Figure 7) Relay contacts transfer upon alarm-initiating and control functions. • Input Voltage - 15 to 32VDC, polarized •... -
Page 14: Accessories
Use of the Duct Detector with the 2098-9747 is for supplementary signaling only. The 120VAC transformer assembly allows the duct housing to be adapted to AC- powered operation. Installs inside the 4098-9681 or 4098-9753 duct housing. Continued on next page... - Page 15 Electrical Specifications, Continued Figure 7. Two-Wire DC Operation Continued on next page...
- Page 16 Electrical Specifications, Continued Figure 8. Four-Wire DC Operation Continued on next page...
- Page 17 Electrical Specifications, Continued Figure 9. Four-Wire AC Operation (Supplementary Signaling Only)
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Page 18: Installation
Note: Baffle is required and must be installed (See Figure 17). The 4098-9681, 4098-9752 or 4098-9753 Duct Housings should be installed in a location of relatively non-turbulent air flow and within the intended operating velocity range of 400-4000 feet per minute (122 to 1220 M/min.). - Page 19 Installation, Continued Rules to Follow (continued) BEND OR OTHER OBSTRUCTION 6 DUCT WIDTHS MINIMUM Figure 10. Duct Housing Placement - Location of Bends or Inlets RETURN AIR INLET 6 DUCT WIDTHS MINIMUM Figure 11. Duct Housing Placement - Location of Air Return Inlet Locate duct housings so that dampers do not restrict air flow at the detector/sensor location.
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Page 20: Application Notes
Application Notes The NFPA states that duct smoke detectors/sensors must not be used as substitutes for open area protection. The 4098-9681, 4098-9752or 4098-9753 are intended for use in the control of air handling equipment for the purposes of closing dampers or shutting down air handling units. - Page 21 Installation, Continued Duct Housing Installation (continued) AIR FLOW AIR FLOW DIRECTION DIRECTION HORIZONTAL DUCTS OVER 13" HIGH HORIZONTAL DUCTS UNDER 13" HIGH VERTICAL DUCTS AIR FLOW DIRECTION NEVER MOUNT AT AN ANGLE WITH RESPECT TO AIR FLOW Figure 13. Template Positioning Inlet Tube Selection Inlet tubes should be selected and cut to length as specified in Table 1 (Page 18).
- Page 22 Installation, Continued Table 1 Duct Housing Installation (continued) OVERALL DUCT TUBE REQUIRED TUBE TYPE SUGGESTED TOTAL WIDTH LENGTH 12 inches (30 cm) 2098-9796 Hole ½ inch (1.27 cm) 13 inches (33.02. cm) longer than duct width 13 inches (33.02 cm) to 2098-9804 Hole ½...
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Page 23: Wiring Procedures
Connect the optional accessory as specified in the following paragraph and the associated installation and wiring diagrams. Only one remote indicator may be connected to each 4098-9681, 4098-9752, or 4098-9753. Accessory Installation The 2098-9806, 2098-9808, 4098-9830, 4098-9834, and 4098-9835 accessories are intended for installation to a standard 2-inch x 3-inch outlet box having a depth of at least two inches. - Page 24 Connect the brown and white transformer primary leads to a 120VAC source. Connect the building ground wire to the green ground screw. (Applies to 4098-9681 and 4098-9753 transformer secondary leads) Connect the red wire to TB2-1; connect the black wire to TB2-4. Continued on next page...
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Page 25: Ac Or Dc Operation Detector/Sensor Testing
Installation, Continued AC or DC Operation Basic Unit Test Detector/Sensor Testing With air handling unit OFF and power applied to the air duct detector/sensor, introduce smoke into the detector/sensor or activate the built-in test feature as described in the 4098 Detectors, Sensors, and Bases Application Manual 574- 709. -
Page 26: Air Differential Pressure Test
Installation, Continued Air Differential Pressure Test With the air handling unit turned on and all filters and dampers in place, measure the air differential pressure using a Dwyer Instrument Co. (Michigan City, Ind.) No. 20026 0 to 2” H O (or equivalent) differential pressure gauge. Take measurements from inside of the detector/sensor housing before the cover is installed. -
Page 27: Maintenance
Installation, Continued Maintenance The duct housing sampling tube holes should be checked periodically for cleanliness, thus assuring easy air entry. Any dust or debris should be removed from tube or tube holes. The maintenance program of the particular detector/sensor used should be carried out in accordance with the detector/sensor installation instructions. - Page 28 BLANK PAGE...
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- Page 32 Simplex Time Recorder Co., • Simplex Plaza • Gardner, Massachusetts 01441-0001 U.S.A. Rev. D 574-710 Simplex International Time Equipment, Co., LTD. • Mississauga, Ontario, Canada...
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