DAVIS Fan-Aspirated Radiation Shield User Manual
Page 9

Installing the Fan
Page 9
Solar Powered Radiation Shield
The solar-powered fan will begin operating as soon as you install the batteries.
To prevent discharging the batteries, only install the batteries immediately
before you mount the radiation shield.
1.
On the Radiation Shield fan plate, insert the O-ring in the groove around
the edge of each battery compartment.
2.
Insert a NiCad battery in each compartment, matching the plus (+) sign on
the battery with the plus (+) sign in the battery compartment.
3.
Verify that the fan is blowing air up and away from the sensor.
4.
Attach the battery covers to the battery compartments using two #4 x 3/8”
(9.5 mm) screws each.
5.
You are now ready to route the cables.
#4 Screws
Battery Cover
1.2 Volt Nicad
Battery
O-Ring
Battery
Compartment
Installing the Batteries
(Solar-Powered Models Only)