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Summary of Contents for Polon-Alfa DUR-40Ex
- Page 1 DUR-40Ex Intrinsically Safe SMOKE DETECTOR Installation and Maintenance Manual IK-E317-001GB IB Issue...
- Page 2 IK-E317-001GB The Universal Optical Smoke Detector DUR-40Ex covered by the present manual, complies with the requirements of the following European Union Directives: 89/106/EWG on construction materials; 2004/108/WE on electromagnetic compatibility; 94/9/WE on equipment and protective systems intended for use in potentially ATEX explosive atmospheres.
- Page 3 IK-E317-001GB 1 PURPOSE The DUR-40Ex Universal Smoke Detector is designed for detection of smoke that accompanies the majority of fires. It enables fire detection at its initial stage when material starts to smoulder what happens a long time prior to the appearance of open flame and a noticeable temperature rise. It detects every test fire that is typical for optical detectors and additionally TF1 test fire typical for ionisation smoke detectors.
- Page 4 5 INTEROPERATION WITH CONTROL PANELS The DUR-40Ex detectors are provided for working together in fire detecting lines with control panels manufactured by POLON-ALFA or by other producers that obtained POLON-ALFA’s consent and compatibility declaration.
- Page 5 A wire mesh net prevents irruption of small insects or bigger pieces of dirt. The whole structure is placed in a black plastic housing consisting of basket, screen and detector casing. The DUR-40Ex detector is installed in the G-40 base where also detecting line cables are connected Basket...
- Page 6 IK-E317-001GB After exceeding the set self-regulation threshold resulting from progressing dirt build-up in optic chamber, the detector may enter an alarm mode. It is why prior cleaning of detector’s optical module (labyrinth and lenses of both transmitting diode and receiving photodiode) is vital. Basket Mesh Screw...
- Page 7 9 DETECTOR INSTALLATION The DUR-40Ex detectors shall be installed (location, height, etc.) in accordance with general design rules. They are mounted in places where the equipment working or materials stored may emit smoke resulting from their burning or smouldering. The detectors are installed in 40 model range bases.
- Page 8 10 STORAGE AND TRANSPORTATION 10.1 Storage The DUR-40Ex detectors must be kept in closed rooms free of any caustic gases and vapours at ambient temperature between 0 °C and +40 °C and relative humidity not exceeding 80% at + 35 The detectors shall not be exposed to direct sunlight or high temperature emitted by heaters.
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