DETECTOR DE DUCTO FOTOELECTRICO 4 HILOS 24 VAC/DC O 120/240 VAC Detector ducto photoelectric, 4 Wire, Universal Voltage - Listed for High Temperature Applicat Features • Outside mounting tabs • Telescoping sampling tube • Built-in reset button • Easy to clean • 24 VAC/DC or 120/240 VAC operation • Ion or Photo models available • High -Low voltage barrier • Interconnectability for multi-fan shutdown (up to ten air handlers) • Equipped with two DPDT Form C relay contacts • Easy and quick mounting to round or rectangular ducts from 1’–12’ wide • Textured cover for convenient visual inspection • 3-year warranty Architectural/Engineering Specification The air duct smoke detector shall be a Mircom Model DH100ACDC Series Duct Smoke Detector. The detector housing shall be UL and ULC listed. The detector shall operate at air velocities of 100 feet per minute to 4,000 feet per minute. The unit shall be capable of controlling up to ten (10) air handling systems when interconnected with other detectors. The detector shall be capable of providing a trouble signal in the event that the front cover is removed. It shall be capable of local testing via magnetic switch or remote testing using the SSK451A Multi-Signalling Accessory or the RTS451KEY Remote Test Station. The unit shall be reset by local reset button or remote test station. The duct smoke detector housing shall incorporate an airtight smoke chamber in compliance with UL/ULC. The housing shall be capable of mounting to either rectangular or round ducts without adapter brackets. An integral filter system shall be included to reduce dust and residue effects on detector and housing, thereby reducing maintenance and servicing. Sampling tubes shall either be telescoping or be easily installed by passing through the duct housing after the housing is mounted to the duct. The unit shall provide a spacial separation of no less than 1/4” and/or a physical barrier between the high and low voltage terminals. The enclosure shall meets applicable UL and ULC standards regarding electrical junction boxes. Terminal connections shall be of the strip and clamp method suitable for 12–18 AWG wiring. Description Mircom’s DH100ACDC 4-wire duct smoke detector is available as either an ionization or photoelectric model. This new design allows for simplified cleaning and maintenance, or a change in application without removing the duct housing. The DH100ACDC samples air currents passing through a duct and gives dependable performance for management of fans, blowers, and air conditioning systems, preventing the spread of toxic smoke and fire gases through the protected area. The DH1000ACDCLP features Low-Flow technology enabling duct smoke detection throughout a broad range of airflow environments. Many difficult to solve HVAC applications occur in low airflow duct applications where reliable smoke detection is critical. Innoviar with Low-Flow technology can detect smoke at air speed velocities of 100 feet per minute or greater, while continuing the same reliable performance to 4,000 feet per minute. WARNING: Duct smoke detectors have specific limitations. Duct Detectors are: NOT a substitute for an open area smoke detector, NOT a substitute for early warning detection, and NOT a replacement for a building’s regular fire detection system. Duct smoke detectors shall be installed in accordance with CAN/ ULC-S524-M91 and CEC Section 32. Refer to NFPA 72 and 90A for additional duct detector application information.
