Det-Tronics U7602B-P Unitized UV Flame Detector/Controller - Manual (Page 3)

SYSTEM APPLICATION ..........................................................1
FEATURES ..............................................................................1
GENERAL APPLICATION INFORMATION .............................2
SYSTEM DESCRIPTION .........................................................3
Detector ............................................................................3
Controller ..........................................................................3
Enclosure ..........................................................................4
SPECIFICATIONS ...................................................................4
DETECTOR SENSITIVITY.......................................................6
INSTALLATION ........................................................................7
U7602 Detector/Controller Positioning and Density..........7
Wiring Requirements ........................................................8
Wiring and Mounting Procedure .......................................8
SYSTEM STARTUP/ oi TEST PROCEDURE........................12
Fire Relay Time Delay Adjustment .................................13
MAINTENANCE .....................................................................13
TROUBLESHOOTING ...........................................................14
MODIFICATIONS TO ELIMINATE HIGH BACKGROUND
UV FAULTS..................................................................15
DEVICE REPAIR AND RETURN ...........................................16
Office Locations ..............................................................16
ORDERING INFORMATION ..................................................17
Accessories.....................................................................17
Replacement Parts .........................................................18
List of Illustrations
Figure 1 U7602 Detector/Controller Components ..............3
Figure 2 Detector with oi ....................................................4
Figure 3 TB3 on Standard Controller Module .....................4
Figure 4 TB3 on Optional Form C and 4 to 20 ma
Output Controller Modules ...................................4
Figure 5 U7602 Cone of Vision ..........................................5
Figure 6 Standard U7602 Detector/Controller System .......5
Figure 7 U7602 Dimensions in Inches (Millimeters) ...........6
Figure 8 Detector Range of Sensitivity ...............................6
Figure 9 Sensitivity to a Gasoline Reference Fire ..............7
Figure 10 TB1, Power and oi Test Connections ..................8
Figure 11 TB3, Relay and Current Outputs
for Standard Controller Module ............................8
Figure 12 TB3, Relay and Current Outputs for Optional
Form C and 4 to 20 ma Controller Modules .........8
Figure 13 Typical Wiring Diagram ........................................9
Figure 14 Typical Multiple Unit Configuration with
End of Line Resistors ...........................................9
Figure 15 Typical Multiple Unit Configuration with
End of Line Capacitors.......................................10
Figure 16 Cover Locking Clamp .........................................11
Figure 17 Detector Module Mounting .................................12
Figure 18 U7602 Detector/Controller Viewing Window ......12
Figure 19 Controller Module Showing Time Delay Adjust ..13
Figure 20 White Wire at the Third Circuit Board .................16
Figure 21 White Wire at the Fourth Circuit Board...............16
List of Tables
Table 1 UV Absorbing Gases and Vapors ........................2
Table 2 Current Signal Output Levels ...............................5
Table 3 Troubleshooting Guide .......................................15
Table of Contents
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