Det-tronics U7602B-P Unitized UV Flame Detector/Controller Bedienungsanleitung

INSTRUCTIONS Unitized Ultraviolet Detector/ControllerU7602 7/95 Form 95-8239-03

NOTEUltraviolet detectors are very sensitive to arcwelding, and if this type of radiation can beexpected, it must be controlled through properapplicat

WIRING REQUIREMENTSThe system should be wired using a 16 to 22 gauge(1.5 to 0.5 mm2) cable. If the current signal outputline is used, it must be a se

NOTEThe wiring procedures in this manual are intend-ed to ensure proper functioning of the deviceunder normal conditions. However, because ofthe many

2. If the unit is equipped with a cover locking clamp,loosen it with a 5/32 hexagonal (Allen) wrenchand move the clamp “catches” out of the blindholes

8. The remaining wires (relay output wires and cur-rent output wire) are connected to TB3 on thecontroller module after it has been installed.Route

SYSTEM STARTUP/oiTEST PROCEDURENOTEWhen a manual oi test is performed, the Faultrelay will open momentarily after the test switchis released and the F

FIRE RELAY TIME DELAY ADJUSTMENTUnless specified otherwise, the time delay for the Firerelay is factory set for 5 seconds. To change the delaysetting

A coating of lubricant should also be applied to thethreads on the detector enclosure before re-assem-bling the detector housing. This will both lubr

MODIFICATIONS TO ELIMINATEHIGH BACKGROUND UV FAULTS In applications where high background UV radiationcauses the U7602 to produce a fault response, it

DEVICE REPAIR AND RETURNPrior to returning devices or components, contact thenearest local Detector Electronics office so that anRMI (Return Material

With the trend toward increasingly widespread use ofmicroprocessors and a wide variety of other electro-static sensitive semiconductor devices, the n

Det-Tronics DeutschlandDeugra GmbHPostfach 1457Harkortstrasse 3D-4030 Ratingen 1GERMANYTelephone 49 2102 4050Direct 49 2102 405152Facsimile 49 2102

RECOMMENDED SPARE PARTSDescription Qty.Controller module 1 per 10 unitsSee part number on module.DE1888 Detector module 1 per 10 units(See letter des

SYSTEM APPLICATION...1FEATURES ...

SYSTEM APPLICATION The Det-Tronics U7602 Unitized Detector/Controllermodel is an ultraviolet (UV) flame detector and con-troller housed in a single,

• Designed to meet MIL-STD-810C for shock andvibration.• Designed for use in hazardous locations (explosion-proof enclosure).• Bracket mounted with sw

The highest reliability with regard to response to a fireis achieved when a hazardous area is supervised bymore than one detector, and when each detec

period, the Fire relay is energized and the current out-put signal rises to a level indicating that the U7602 isseeing a fire. If the detector module

CONE OF VISION—The U7602 detector has a nominal 90 degree cone ofvision, with the highest sensitivity lying along its cen-tral axis, as shown in Figu

POWER CONSUMPTION—Standby: 1.5 watts, typical.Fire: 5.0 watts, maximum.ENCLOSURE MATERIALS—Models are available in anodized copper-free alu-minum or