User manual VAISALA WAV151

[. . . ] 9 Recommended Mast Length on the Top of Building . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 List of Tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Manual Revisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 MTBF Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Wind sensors should not be located next to a building or any other object that might affect the flow of air. 0204-040 Figure 2 Recommended Mast Location in Open Area VAISALA___________________________________________________________9 User's Guide ________________________________________________________ In general, any object of height (h) will not remarkably disturb wind measurement at a minimum distance of 10 × h. There should be at least 150 m open area in all directions from the mast. Minimum distance between the mast and obstacles is ten times the height of an obstacle. Refer to Figure 2 on page 9. 0204-041 Figure 3 Recommended Mast Length on the Top of Building The recommended minimum length (marked with the letter h in Figure 3 above) 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 × W. Installation Procedure Mounting Sensor installation is most convenient when you use a Vaisala manufactured cross arm for mounting the sensor. 10 _____________________________________________________ M210294en-A Chapter 3 __________________________________________________ Installation Always mount the WAV151 Wind Vane to the northern end of the cross arm. It is recommended that you remove the vane assembly to ease installation. Fit the 10-pin cable plug through the mounting flange at the end of the cross arm, then connect it to the sensor. Face the product label north and mount the sensor to the flange by twisting. Note that the plastic washers (1) should be inserted between the flange and the sensor. 5. 0204-042 Figure 4 Mounting of Wind Sensor VAISALA__________________________________________________________11 User's Guide ________________________________________________________ Alignment The wind vane does not need any alignment after mounting when a Vaisala cross arm is used. To replace the ball bearings, follow the procedure below and refer to Figure 6 on page 19. Remove the assembly. CAUTION The vane assembly fixing screw has been treated with sealant. Do not remove the fixing screw to ensure perfect sealing. 2. Loosen the hex nut of the connector with a 27-mm tool. CAUTION Be careful not to bend the connector pins. 3. 6. Loosen the three pan head screws at the bottom of the sensor body with a 7-mm tool. Loosen the spacer screws with a 7-mm tool and disconnect the heating element outlet. Remove the printed circuit board. CAUTION Do not twist or bend the connector. Loosen the fixing screw of the code disc with a 2-mm Allen key and remove the disc. Remove the spacer ring. 16 _____________________________________________________ M210294en-A Chapter 4 ________________________________________________ Maintenance 10. Remove the internal retaining ring at the bottom of the shaft (using narrow-pointed pliers). Take the previous steps in opposite order until assembling the code disc. NOTE Be careful when handling the new ball bearings. Do not drop them or force them onto the shaft. 2. Attach the code disc (7) back onto the shaft. The disc has to be positioned so that it does not touch the optocoupler on the printed circuit board (6). [. . . ] - Input power source type, voltage and list of other items (lighting, heaters, motors etc. ) that were connected to the same power output. Include a detailed return address with your preferred shipping method on the Problem Report. Pack the faulty product using an ESD protection bag of good quality with proper cushioning material in a strong box of adequate size. Send the box to: Vaisala Oyj SSD Service Vanha Nurmijärventie 21 FIN-01670 Vantaa Finland 3. 6. VAISALA__________________________________________________________23 User's Guide ________________________________________________________ This page intentionally left blank. 24 _____________________________________________________ M210294en-A Chapter 6 _______________________________________________Technical Data CHAPTER 6 TECHNICAL DATA This chapter provides the technical data of the WAV151 Wind Vane. Specifications Table 5 WAV151 Wind Vane Specifications Description/Value Vane/Optical code disc 0 . . . [. . . ]