3VORTEK Doc.# VT5 OM 050499, Rel. 2.1
TABLE OF CONTENTS
1.0 OPERATION
1.1 General Description................................................................. 4
1.2 Specifications ..........................................................................5
1.3 Operation of VorTek
tm
Sensors ................................................6
1.4 Transmitter Operation.............................................................. 7
1.5 Options ....................................................................................8
2.0 INSTALLATION
2.1 Probe Bar Mounting and Location...........................................8
2.1.1 Duct-Mounted Probes............................................................................. 8
2.1.2 Fan Inlet- Mounted Probes .....................................................................9
2.2 Transmitter Mounting and Location ....................................... 10
2.3 Probe Bar and Transmitter Connection................................. 11
2.4 Transmitter Wiring ................................................................. 11
3.0 STARTUP ADJUSTMENTS
3.1 General Description...............................................................12
3.2 Normal Operation ..................................................................13
3.3 Damping Adjustment .............................................................13
3.4 Zero Check ............................................................................13
3.5 Quick Calibration Check........................................................14
3.6 Threshold Adjustment............................................................14
4.0 CALIBRATION & MAINTENANCE
4.1 Field Calibration ....................................................................14
4.2 Bench Calibration ..................................................................15
4.3 Offset Adjustment ..................................................................16
4.4 Calibration Check ..................................................................16
4.5 Wave Form Check with an Oscilloscope...............................16
4.6 Troubleshooting.....................................................................17
APPENDICES
Appendix A - VorTek Minimum Installation Requirements ........... A1
VorTek Duct Probe Installation Diagrams ..........A1-A4
VorTek Fan Inlet Probe Installation Diagrams .A5-A10
Appendix B - Cleaning of VorTek Airflow Measuring Probes....... B1