Vaisala WAV151 User Manual
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Vaisala WAV151 User Manual

Vaisala WAV151 User Manual

Vaisala wind vane
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M210294EN-C
User Guide
Vaisala Wind Vane
WAV151

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Summary of Contents for Vaisala WAV151

  • Page 1 M210294EN-C User Guide Vaisala Wind Vane WAV151...
  • Page 2 Vaisala Oyj Vanha Nurmijärventie 21, FI-01670 Vantaa, Finland P.O. Box 26, FI-00421 Helsinki, Finland +358 9 8949 1 Visit our Internet pages at www.vaisala.com. © Vaisala Oyj 2018 precedence over the information No part of this document may be contained in this document.

  • Page 3: Table Of Contents

    Table of Contents About This Document................... 3 Version Information..................3 Related Manuals....................3 Documentation Conventions................3 Trademarks......................4 Product Overview................... 5 Vaisala Wind Vane WAV151................5 Safety........................5 2.2.1 ESD Protection...................6 Regulatory Compliances.................. 6 Installation......................7 Selecting Location.................... 7 Mounting Wind Sensors on Cross Arm............10 Connecting the Wind Vane................11...
  • Page 4 WAV151 User Guide M210294EN-C...

  • Page 5: About This Document

    Vaisala Anemometer WAA151 User Guide M210349EN Vaisala Cross Arm WAC151 User Guide M210822EN Vaisala Serial Wind Transmitter WAC155 User Guide 1.3 Documentation Conventions WARNING! Warning alerts you to a serious hazard. If you do not read and follow instructions carefully at this point, there is a risk of injury or even death.

  • Page 6: Trademarks

    Indicates that you need to take some notes during the task. 1.4 Trademarks Vaisalaâ is a registered trademark of Vaisala Oyj. All other product or company names that may be mentioned in this publication are trade names, trademarks, or registered trademarks of their respective owners.

  • Page 7: Product Overview

    A heating element in the shaft tunnel keeps the temperature of the bearings above the freezing level in cold climates. The nominal heating power is 10 W. Vaisala recommends that you use a thermostat switch in the cross arm for switching the heating power on below +4 °C (+39 °F).

  • Page 8: Esd Protection

    M210294EN-C 2.2.1 ESD Protection Electrostatic Discharge (ESD) can damage electronic circuits. Vaisala products are adequately protected against ESD for their intended use. However, it is possible to damage the product by delivering electrostatic discharges when touching, removing, or inserting any objects in the equipment housing.

  • Page 9: Installation

    Additional protection is needed in regions with frequent, severe thunderstorms, especially when long line cables (>30 m (98 ft)) are used. Vaisala recommends using a surge protector, such as WSP150, in all sites with an elevated risk of a lightning strike.
  • Page 10 WAV151 User Guide M210294EN-C Figure 1 Recommended Mast Location in Open Area Any object of height (h) does not remarkably disturb wind measurement at a minimum distance of 10 × h. There must be at least 150 m (500 ft) open area in all directions from the mast.
  • Page 11 Chapter 3 – Installation Figure 2 Recommended Mast Length on Top of Building The recommended minimum length (h) for the mast that is installed on the top of a building is 1.5 times the height of the building (H). When the diagonal (W) is less than the height (H) the minimum length of the mast is 1.5 ×...

  • Page 12: Mounting Wind Sensors On Cross Arm

    WAV151 User Guide M210294EN-C 3.2 Mounting Wind Sensors on Cross Arm • 2-mm Allen key • Compass 1. Fit the cable plug through the mounting flange at the end of the cross arm, and connect the cable to the sensor. Plastic washer Hex screw 2.

  • Page 13: Connecting The Wind Vane

    G0, signal output HTNG, 20 VDC or VAC HTNG, 20 VDC or VAC Vaisala recommends using the SOURIAU UTS6JC12E10P cable connector for the sensor. Figure 4 WAV151 Connector Cable Side 1. Connect the heating element in the shaft tunnel between pins J and K.

  • Page 14: Maintenance

    WAV151 User Guide M210294EN-C 4. Maintenance 4.1 Cleaning the Wind Vane Heavy contamination or obstruction in the vane, such as bird droppings or ice, deteriorates the accuracy of the wind vane. Clean the vane if it is contaminated or there is an obstruction.
  • Page 15 Chapter 4 – Maintenance Hex nut of the connector M6 x 16 DIN7991 (3 pcs) Lower body Spacer (3 pcs)
  • Page 16 WAV151 User Guide M210294EN-C Printed circuit board (PCB) O-rings, 2 pcs External retaining ring, body Spacer Internal retaining ring, shaft Ball bearings Vane assembly Shaft and upper body assembly Ball bearings Code disc 1. Open the vane assembly fixing screw with a 2-mm Allen key. The correct screw is the lower one in the previous figure.

  • Page 17: Reassembling The Wind Vane

    12. Mount the vane assembly onto the sensor body. Tighten the screw. CAUTION! Replacing the heating resistance element requires special tools. To avoid any damages, Vaisala recommends that the manufacturer replaces the heating element. The wind vane is counter-balanced at the factory but you can readjust it, if necessary. To do this, loosen the vane assembly and place it on its side on the table.

  • Page 18: Troubleshooting

    (200 ... 500 s). The sensor shaft is covered The heating element does not Send the sensor to Vaisala for with ice and snow. function. repair. See Product Returns.

  • Page 19: Technical Data

    Chapter 6 – Technical Data 6. Technical Data 6.1 WAV151 Specifications Table 4 Measurement Performance Property Description/Value Sensor/Transducer type Optical code disc Observation range at wind speed 0.4 … 75 m/s 0 … 360° (0.9 … 168 mph) Starting threshold < 0.4 m/s (0.9 mph) Resolution ±2.8°...

  • Page 20: Wav151 Spare Parts And Accessories

    Salt fog test MIL-STD-810E, Method 509.3 EMC compliance EN/IEC 61326-1:1997 + Am1:1998, Am2:2001, Generic environment 6.2 WAV151 Spare Parts and Accessories Table 9 WAV151 Spare Parts and Accessories Item Order Code Crossarm and termination box WAC151 Crossarm and serial RS-485 transmitter WAC155...

  • Page 21: Mtbf

    Sensor cable for WAA151/252 0.8 m (31.5 in), open lead on one end (6 ZZ45036 wires), connector 230118 on other end Sensor cable for WAV151/252 0.8 m (31.5 in), open lead on one end (10 ZZ45037 wires), connector 230119 on other end...

  • Page 22: Mttr

    WAV151 User Guide M210294EN-C 6.4 MTTR Mean time to repair is 0.3 h.

  • Page 23: Output From Connector Pins C To H

    Appendix A Appendix A.  A.1 Output from Connector Pins C to H Table 11 Output from Connector Pins C to H (º) Output (º) Output (º) Output (º) Output CDEFG CDEFG CDEFG CDEFG 000000 E 011000 110000 101000 000001 011001 110001 101001 000011 011011 110011...
  • Page 24 WAV151 User Guide M210294EN-C...

  • Page 25: Technical Support

    If the product is faulty, these steps help to speed up the return process and avoid extra costs. 1. Read the warranty information. 2. Contact Vaisala technical support and request a Return Material Authorization (RMA) and shipping instructions. Always request the RMA before returning any faulty material.
  • Page 26 WAV151 User Guide M210294EN-C...
  • Page 28 www. v aisala.com...

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