Det-tronics C7051B, C UV Flame Detector Manual do Utilizador

Instructions 95-8256-02Ultraviolet Fire Detection Systemwith Nuclear SurveillanceR7404 Controller/C7051 DetectorDetector Electronics Corporation6901 W

The basic operation of the Automatic oiprograminvolves selecting and illuminating a UV test lamp, sens-ing a return signal from the detector, turning

2. Depress the TEST and SELECT buttons simultane-ously and then release.3. The STATUS display will show an “8” and theDETECTOR and ZONE displays will

INPUT VOLTAGE—The R7404 is designed to operate from any voltage in therange of 10 to 38 volts dc. For ac line (mains) voltageoperation, an optional v

11 95-8256(A)(B)(C)1.48 (37.59)(D)B1475ALL CONTROLLER CAGES REQUIREA MINIMUM OF 10.12 INCHES (257.1 MM)DEPTH CLEARANCE(E)RACK PART NUMBER CONTROLLERTY

OPTIONS AVAILABLE• R6006 Relay Output Module to be used in conjunc-tion with the R7404 when relay switching contacts arerequired. Four models are ava

In general, fire detectors should be placed as close aspractical to the probable hazard. The (blinded) nuclearsurveillance module of the C7051 Detect

Connect the B-lead shields to connector C in the termi-nal block. All A-leads go to the A-lead connection in theterminal block. If one C7051 is used

1. Detectors Connected — Switch Assembly Rockers1-1 to 1-4. Each zone can have one detector for amaximum of four detectors in four zones connect-ed t

NOTEIf no rockers are closed, or if only rocker 3-1 isclosed, the controller responds to an 8 cps signalfrom the detector.Figure 14 is an example of a

It is inadvisable to use the minimum time delay (0.5second) with the maximum detector sensitivity (8cps), as this setting increases the possibility of

Table of ContentsSYSTEM APPLICATION ...1FEATURES ...

TYPICAL SYSTEM APPLICATIONThe following application is an example only. For assis-tance in adapting a system to your individual require-ments, contac

19 95-82561234567891011121314151617181920212223242526272829303132 + – (A) +290 VDCB - INPUT 1B - INPUT 2B - INPUT 3B - INPUT 4B - INPUT 5B - INPUT 6B

TESTING OF DETECTOR MODULE RESPONSE TOUV RADIATION (COUNT MODE TEST)1. Place keylock switch in TEST position.2. SYSTEM STATUS displays the number “1”.

1. Place the keylock switch in the NORMAL position.2. Turn on W8066 UV Test Lamp or an equivalent UVsource and shine into any fire detector.3. If syst

DEVICE REPAIRFor devices or components in need of repair, contactyour local source or return the equipment transportationprepaid to:Detector Electroni

23 95-8256TESTBUTTONPRESSEDTESTBUTTONRELEASED–0 V+260 VDCFigure 20—Detector D-lead Voltage - Manual Test5 to 10 mS5 uS0 V+ 40 VFigure 21—Detector B-le

24Fault Record SheetUpper Display Lower DisplayDate TimeDetector Zone System StatusOperator Comments

25 95-8256Recommended Test FormDate Date Date Lens Sensitivity ReadingsRemarksInstalled Checked Cleaned Count Test Mode

SYSTEM APPLICATIONThe R7404 Controller is a significant advance in the Det-Tronics line of ultraviolet (UV) fire detection equipment,and broadens the

Solid Materials— Munitions production such as illuminating flare mate-rial, TNT, black powder and other propellantsOther Processes— Chemical and petro

Nuclear radiation is also a potential cause of false actu-ation of the detection system. X-rays and gamma radia-tion easily penetrate the metal housi

R7404 CONTROLLERMicroprocessor technology has made possible a degreeof programming flexibility that could not be achieved inprevious generations of De

8. The SELECT and TEST/ACCEPT buttons are usedto manually test each detector (see “CheckoutProcedure” section). The SELECT button is used tosequentia

2. The alarm output is energized (solid state - opencollector). The alarm is activated when any zonedetects a fire.3. The ZONE display shows the numb

NUCLEAR SURVEILLANCEOPERATIONThe C7051 Detector includes two sensor modulesmounted on one base. The sensors are paired at thefactory for identical re