Instructions
95-8385-06
Unitized UV/IR Flame Detector
U7652
Detector Electronics Corporation6901 West 110th Street • Minneapolis, Minnesota 55438 USATel: 952.941.5665 or 800.765.3473 • Fax: 952.829.8750
3/01
Страница 1: ...tions 95 8385 06 Unitized UV IR Flame Detector U7652 Detector Electronics Corporation 6901 West 110th Street Minneapolis Minnesota 55438 USA Tel 952 941 5665 or 800 765 3473 Fax 952 829 8750 3 01 95 8...
Страница 2: ...7 Figure 7 U7652B Wiring Terminal Configuration 7 Figure 8 Wiring Terminal Configuration for U7652C with Auxiliary Relay 7 Figure 9 Wiring Terminal Configuration for U7652C with 4 to 20 ma Output 8 F...
Страница 3: ...ouch the connector circuit board or electronic components 4 Alarm and extinguishing devices should be disconnected before performing the manual oi test DESCRIPTION The U7652 UV IR Flame Detector is an...
Страница 4: ...ormally de energized no fire Energizes upon detection of fire Field programmable for either latching or non latching operation Fault relay has SPST normally open contacts Normally energized no fault D...
Страница 5: ...is 10 degrees and were set for a 0 5 second time delay Response is dependent on the type of fuel the temperature of the fuel and the time required for the fire to build As with all fire tests results...
Страница 6: ...erence by EMI and RFI It will not respond to a 5 watt walkie talkie at a dis tance of greater than 1 foot VIEWING WINDOWS Keep the detector viewing windows as free of con taminants as possible in orde...
Страница 7: ...IREMENTS Use 16 to 22 gauge 1 5 to 0 5 mm2 cable A minimum input voltage of 18 vdc must be present at the detector Use cable that is suitable for the installation environ ment harsh environments requi...
Страница 8: ...SWIVEL CONDUIT SEAL A1478 Figure 3 Vertical Mounting B1437 TERMINAL BLOCK AUXILIARY RELAY OPERATION W4 LATCH NON LATCH W1 ALARM RESPONSE W3 oi TEST W2 CONNECTOR SCREWS 3 MOTHERBOARD ASSEMBLY Figure 4...
Страница 9: ...LT RELAY IS SHOWN DE ENERGIZED BUT IS NORMALLY ENERGIZED WITH POWER APPLIED AND NO FAULTS PRESENT 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 FIRE FAULT CON 1 CON 2 AUX AUX Figure 8 Wiring Terminal Configurat...
Страница 10: ...CON 1 CON 1 CON 2 CON 2 SPARE FAULT RELAY 0 47 F 400 VOLT CAPACITOR Figure 10 A Typical System Using U7652B Detectors FAULT RELAY IS SHOWN DE ENERGIZED BUT IS NORMALLY ENERGIZED WITH POWER APPLIED AND...
Страница 11: ...used pour the conduit seals and allow them to dry 7 Re install the junction box cover ensuring that the 9 pin D connectors are properly mated between the cover and the circuit board inside the enclo s...
Страница 12: ...e unit is programmed for non latch ing operation the Fire relay will become de ener gized and the LEDs will turn off when the UV IR source is removed If the unit is programmed for latching operation i...
Страница 13: ...und faults power supply transients and lightning strikes All Det Tronics systems are designed with extensive protec tion circuitry however damage can still occur The following field test procedure has...
Страница 14: ...background Background radiation as such does not cause a problem Radiation UV or IR radiation is indicated with the detector in most applications unless both UV and by steady illumination of the flick...
Страница 15: ...proper operation is observed If abnormal operation is evident start with the sensor exchange first then the detector cover assembly and finally the detector mother board assembly Always remove system...
Страница 16: ...e sensor housing Hand tighten the sensor housing into the base until the O ring is fully seated 8 Re install the cover locking device if used 9 Inspect the viewing windows and oi rings and clean if ne...
Страница 17: ...to the detector terminal blocks 8 Apply a small amount of lubricant to each of the six screws on the junction box cover Line up the D connector on the junction box cover with the connector on the mot...
Страница 18: ...sure that they are properly seated in the groove on the hous ing It is imperative that these O rings be properly installed and in good condition Failure to maintain these rings can allow water to ente...
Страница 19: ...cond ENCLOSURE MATERIAL Copper free aluminum red or 316 stainless steel with stainless steel mounting bracket TEMPERATURE RATING Operating 40 F to 167 F 40 C to 75 C Storage 40 F to 185 F 40 C to 85 C...
Страница 20: ...See Figures 5 and 6 MTBF 36 183 hours SHIPPING WEIGHT Approximate Pounds Kilograms Aluminum housing 6 0 2 7 Stainless steel housing 14 0 6 3 REPLACEMENT PARTS The electronic module is not designed to...
Страница 21: ...R Long Range Test Lamp RECOMMENDED SPARE PARTS oi ring for UV detector 1 per 10 units oi ring for IR detector 1 per 10 units O rings for UV and IR detectors 2 per 10 units UV module with LEDs 1 per 10...
Страница 22: ...ollowing performance criteria was verified by FMR using IR Module DE 5400 001 and UV Module DE1888 Response Characteristics Angle of View 45 to 45 off centerline in vertical and horizontal planes Fals...
Страница 23: ...Printed in USA Detector Electronics Corporation 6901 West 110th Street Minneapolis Minnesota 55438 USA Tel 952 941 5665 or 800 765 3473 Fax 952 829 8750...
