POTTER DDA Analog Addressable Duct Detector Owner’s Manual
- June 9, 2024
- POTTER
Table of Contents
DDA
Analog Addressable Duct Detector
Features
- Detects smoke in building HVAC ducts.
- Ships complete with housing and head.
- Compatible with addressable PFC-6000 series and Potter Plus panels.
- SLC in and out wire terminals.
- Installation without removing the head.
- Listed Air Velocity of 100 to 4,000 ft/minute.
- No screens or filters in housing.
- Durable plastic enclosure and clear cover.
- Integrated cover tamper switch.
- Utilizes simple snap in sampling tubes STN series.
S24776 3242-0328:0218
Application
The Potter Electric DDA duct smoke detector provides early detection of smoke and products of combustion present in air moving through HVAC ducts in commercial, industrial and residential applications. The DDA is compatible with the PFC-6000 series addressable fire alarm control panels, the Potter Plus and any panel compatible with the Potter/Nohmi addressable protocol.
Description
The DDA is designed and built to meet all local requirements, as well as the NFPA regulations regarding duct smoke detectors.
Air sampling is accomplished by two tubes which protrude into the duct. An exhaust tube of one standard length (7″) is supplied in the installation kit with the smoke duct unit. Once the duct width has been determined the air intake sampling tubes must be ordered. Sampling tubes are supplied in three standard lengths: 3 ft., 5 ft., and 10 ft. and cut to size to fit the duct. Mounting the duct smoke unit is accomplished by the use of a template and 2 sheet metal screws, which are provided. Mounting can be achieved without the removal of the clear cover which is secured by 4 capture screws.
Technical Specifications
| Duct Detector Model # | DDA |
|---|---|
| Operating Voltage | 22-24 VDC |
| Current Draw | 325 µA Amps |
| Detector Head Model | Potter DSA |
| Detector Head Type | Photoelectric |
| Sensitivity Test Method | Self diagnostic test |
| Air Velocity | 100 to 4000 ft./min |
| Ambient Temperature | 32°F to 120°F (0°C to 49°C) |
| Humidity | 10% to 85% Relative humidity (non-condensing) |
| Housing Material | Plastic backbox, clear plastic cover |
| Finish | Gray backbox with clear cover |
| Dimensions | 13 1/2″L x 4 1/2″ W x 2 1/4″ H |
| Maximum Net Weight | 2 lbs. |
| Sampling Tubes | 3 ft., 5 ft., or 10 ft. |
Engineering Specifications
Air duct smoke detectors shall be Potter Electric DDA Series. The detectors shall be listed by Underwriters Laboratories per UL 268A. The detectors shall operate at air velocities from 100 feet per minute to 4000 feet per minute.
The duct detector housings shall be of plastic construction and complete mechanical installation may be performed without removal of detector cover. Visual indication of alarm and power must be provided on detector front. Detector heads shall not require additional filters or screens which must be maintained. The housing shall contain a detector base and DSA duct smoke detector head. Terminal connections shall be of the screw type and be a minimum of # 12 screw. All wiring must comply with local codes and regulations. Detector shall use the STN series of sampling tubes.
Wiring Diagram
SAMPLE CONTROL PANEL WIRING – STYLE “6” / “7” SLC (Supervised – A single open/ground condition will not inhibit an alarm response)
SAMPLE CONTROL PANEL WIRING – STYLE “4” SLC (Supervised – A single open condition will inhibit an alarm response)
Potter Electric Signal Company, LLC · St. Louis, MO · Phone: 800-325-3936 · www.pottersignal.com
PRINTED IN USA 8830012 – REV C
Documents / Resources
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POTTER DDA Analog Addressable Duct
Detector
[pdf] Owner's Manual
DDA Analog Addressable Duct Detector, DDA, Analog Addressable Duct Detector,
Addressable Duct Detector, Duct Detector
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