The following figure shows the simplest
wiring for the WA25 series wind sensors with Vaisala Mains Power Supply WHP25. WAA252
supplies WAC155 with the operating power (+12 Vout to X2/3). No external operating voltage
is applied to connector X2. The expansion connector required for high-current wiring is
included in the WAA252 accessories.
WHP25 is sold only as a spare part.
Low-current operating power
The following figure shows the WA25 wiring
for applications where low-current operating power is needed also when heating power is not
available. The expansion connector required for high-current wiring is included in the
WAA252 accessories include the expansion
connector required for the high current wiring.