Det-Tronics U7652 User Manual

Name: Det-Tronics U7652
Brand: Det-Tronics
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23 pages

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Instructions 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 95-8385-06

Table of Contents2
Description3
- Relays and Outputs4
- Feature4
Detector Status Chart4
- General Application Information5
Current Level for Detector Status (U7652C with 4 to 20 Ma Output)5
U7652 Typical Response Distances5
UV Absorbing Gases and Vapors6
Installation7
- Detector Positioning7
- Wiring Requirements7
- Mounting and Wiring Procedure8
Figure 17
Detector Orientation Relative to Horizon 5 U7652 Front View8
Vertical Mounting8
Detector Junction Box with Cover Removed8
Detector Dimensions9
U7652B Wiring Terminal Configuration 7 Wiring Terminal Configuration for U7652C with Auxiliary Relay9
Wiring Terminal Configuration for U7652C with 4 to 20 Ma Output10
- Figure 10 a Typical System Using U7652B10
- Figure 11 a Typical System Using U7652C Detectors with Auxiliary Relays10
- Detector Programming11
- Figure 12 U7652C Detector with 4 to 20 Ma Output Wired for Non-Isolated Current Sourcing Output11
- Figure 13 U7652C Detector with 4 to 20 Ma Output Wired for Isolated Current11
Startup and Checkout Procedure12
Troubleshooting12
Programmable Options12
Manual O I Test13
- Manual O I Selected13
- Automatic O I Selected13
- Field Testing UV/IR Detectors13
Manual O I Troubleshooting13
Automatic O I Troubleshooting14
- Sensor Module Replacement Procedure15
- Figure 14 Cover Locking Assembly15
- Figure 15 U7652 Detector Parts Identificaiton16
- Figure 16 Self Aligning UV Sensor Module16
- Motherboard Replacement Procedure17
- Figure 17 IR Module with Four-Wire Connector17
- Figure 18 Location of Capacitor for Increased Protection from Ground Transients17
Maintenance18
- Viewing Windows18
- O-Rings18
Features18
Specifications18
Figure 19 UV and IR Spectral Response Range19
Figure 20 Detector Cone of Vision19
Replacement Parts20
Device Repair and Return20
Ordering Information21
- Accessories21
- Recommended Spare Parts21
Appendix A - Factory Mutual Research (Fmr) Approval Description22

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General

Brand	Det-Tronics
Model	U7652
Category	Security Sensors
Language	English

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