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Det-Tronics U7602E Unitized UV Flame Detector/Controller User Manual

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DESCRIPTION................................................................1

GENERAL APPLICATION INFORMATION ....................2

INSTALLATION...............................................................3

Detector Positioning .................................................3
Wiring Requirements ................................................3
Wiring Procedure......................................................4

SWITCH SETTING PROCEDURE..................................6

ELECTRONIC MODULE INSTALLATION ......................9

STARTUP PROCEDURE................................................9

Fire Alarm Test .........................................................9
False Alarm Test ....................................................10

TROUBLESHOOTING ..................................................10

PERIODIC CHECKOUT PROCEDURE........................10

MAINTENANCE ............................................................10

REPLACING A DETECTOR MODULE .........................11

FEATURES ...................................................................11

SPECIFICATIONS ........................................................11

REPLACEMENT PARTS ..............................................14

DEVICE REPAIR AND RETURN ..................................14

ORDERING INFORMATION.........................................14

Accessories ............................................................14
Replacement Parts .................................................14

APPENDIX A.................................................................15

APPENDIX B.................................................................18

List of Illustrations

Figure 1

Detector Orientation Relative to Horizon ....3

Figure 2

U7602E Detector Assembly........................4

Figure 3

Cover Locking Devices ...............................4

Figure 4

Location of Terminal Strips Inside
Bulkhead .....................................................5

Figure 5

U7602E Terminal Configuration..................5

Figure 6

A Typical System ........................................6

Figure 7

Detector Wired for Non-Isolated 4 to 20 ma
Current Output (Sourcing)...........................6

Figure 8

Detector Wired for Isolated 4 to 20 ma
Current Output (Sinking) .............................6

Figure 9

Electronic Module Mounted Inside
Bulkhead .....................................................7

Figure 10

Detector Viewing Window ...........................9

Figure 11

U7602E Detector Cone of Vision ..............12

Figure 12

Dimensions of U7602E in Inches
(Millimeters) ..............................................13

Figure 13

Dimensions of Mounting Bracket in Inches
(Millimeters) ..............................................13

Appendix B U7602E/U7698E Detector/Apollo Module

Style D (Class “A”) Wiring Diagram

Appendix B Apollo Module DIP Switch Setting

List of Tables

Table 1

UV Absorbing Gases and Vapors ...............2

Table 2

Switch Setting Table ...................................7

Table 3

U7602E Detector Status/Indications ...........9

Table 4

Troubleshooting Guide..............................10

Table 5

U7602E Typical Response Distance
When Set on Very High ............................12

Table of Contents

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