Unitized Ultraviolet Fire Detector Manual

TABLE of CONTENTS
CHAPTER 1 TECHNICAL INFORMATION .......................................1
Introduction................................................................................ 1
Features .................................................................................. 1
Spectral Sensitivity Range .................................................................... 1
Figure 1 - Various Spectral Distributions ............................................... 1
Specifications .............................................................................. 2
Applications ............................................................................... 3
CHAPTER 2 INSTALLATION .................................................4
What’s in the package ..................................................................... 4
Mounting the Detector ....................................................................... 4
Cone of vision ....................................................................... 4
Figure 2 - Detector cone of vision ..................................................... 4
Range ............................................................................. 4
Environmental Factors ................................................................ 4
False Alarms ........................................................................ 5
Position and Density of Detectors ........................................................ 5
Figure 3 - Detector with Swivel Mount .................................................. 6
Figure 4 - Detector Dimensions ........................................................ 7
Figure 5 - Swivel Mount Dimensions ................................................... 7
Figure 6 - JB4-UV-T Junction Box Side View ............................................. 7
Figure 7 - JB4-UV-T Junction Box Top View ............................................. 7
General Wiring Requirements ................................................................. 8
Wiring Diagram for UVU-140-A .......................................................... 9
Figure 8 - Wiring for UVU-140-A ........................................................ 9
Wiring Diagram for UVU- 140-AR ....................................................... 10
Figure 9 - Wiring for UVU-140-AR ..................................................... 10
Detector Settings .......................................................................... 11
System Sensitivity ................................................................... 11
Figure 10 - DIP switch operation and location ........................................... 11
Table 1 - Detector Sensitivity Settings ................................................... 11
System Time Delay .................................................................. 11
Table 2 - Alarm Response Delay Settings ................................................ 11
Table 3 - Coil and Relay Status ........................................................ 12
CHAPTER 3 START UP AND TEST ...........................................12
Start up Procedure ......................................................................... 12
Check Out Procedure ................................................................ 12
Automatic vi Test.................................................................... 12
Test Procedures: .................................................................... 13
Manual Check Procedure .................................................................... 13
CHAPTER 4 NORMAL OPERATION...........................................14
Normal Operation ......................................................................... 14
Fire Condition ............................................................................. 14
Current & Relay Output Conditions ............................................................ 14
Table 4 - Current & Relay Output Conditions .............................................. 14
CHAPTER 5 MAINTENANCE ................................................15
Routine Maintenance ....................................................................... 15
Troubleshooting ........................................................................... 15
Cleaning Viewing Window and Reflector ................................................. 15
Repositioning vi Adjustment Allen Screw ................................................. 15
Device Repair and Return ................................................................... 16