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Daytime Fan-Aspirated Radiation Shield
The Daytime Fan-Aspirated Radiation Shield (#7747) can be added to a standard
Vantage Pro2 or Vantage Pro2 Plus. It has a fan that is powered by a solar panel. It
differs from the 24-Hour Fan in that it has no batteries. This causes it operate during
the daytime when solar radiation effects are of the greatest concern, and to stop at
night.
Tip: You will not need to remove the rain collector base from the pole or post.
To clean the Daytime Fan Aspirated Radiation Shield
1. Remove the rain collector
cone.
2. Open the transmitter
shelter and unplug the
temp-humidity cable and
the fan power cable from
the sensor interface.
3. While supporting the
radiation shield from the
bottom, use a Phillips-
head screwdriver to loosen
the three screws
connecting the rain
collector base to the
threaded spacers.
4. Lift the rain collector base
off the closed and open fan
plates. Take note of the
cable placement and
routing so you can replace
it correctly. For easier
re-assembly, mark the
holes used by the rain
collector base and the
holes used by the radiation
shield.
#8-32 x3-1/4" Screws (3)
#8 Lock Washers
Fan Plate
Rain Collector
Base
Open Cap Plate
(hole in center)
Closed Cap Plate
Power Cable
Assembly
Temperature/
Humidity
Cable
Transmitter
Shelter
Insert front screw
first
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