Vaisala WAC155 - Manual (Page 26)

User's Guide ______________________________________________________________________
24 ___________________________________________________________________M210822EN-A
0702-021 Figure 13 Heating Power Connection for Wind Vane Only
Wiring Examples
Figure 14 on page 25 illustrates the basic wiring when the WAA151 and
WAV151 wind sensors are connected to the WAC155 transmitter.
Heating power is not connected in the figure.
Figure 15 on page 26 illustrates wiring with the WHP151 Mains Power
Supply, with heating power connected. Note that the WHP151 has
jumpers for configuring the power output. Connect pins 2-3 of the X5
jumper to set the correct voltage, and remove the X4 jumper to provide
continuous heating power. If you connect the heating in series to both
sensors as shown in the figure, set the heating power to 38 Vrms 0.5 A
by connecting pins 2-3 of the X8 jumper.
Figure 16 on page 27 illustrates the wiring with the WHP25 Mains
Power Supply and the WA252 series wind sensors. The WAC155
operating power is supplied from the WAA252 (+12Vout, F -> X2/3).
Thus no external operating voltage shall be applied to the connector X2.
NOTE The expansion connector required for the high current wiring in Figure
16 on page 27 is included in the WAA252 accessories