DAVIS Vantage Pro2 Installation Instructions Addendum

Fan-Aspirated ISS Troubleshooting
6
1. Remove the three screws connecting the rain collector base to the
mounting bracket.
2. Lift the rain collector base off of the mounting bracket.
Note: For easier re-assembly, mark the holes used by the rain collector base, the holes used by the
radiation shield, and the orientation of the bracket relative to the radiation shield.
3. Remove the three (3) screws connecting the mounting bracket to the
radiation shield.
4. Lift the mounting bracket off of the radiation shield.
5. Remove all debris from inside the shield and replace the batteries if
necessary.
Annual Maintenance
1. Retrieve your Fan-Aspirated ISS and
place on a stable work surface.
2. Disassemble the radiation shield.
3. Unplug the old motor and remove
from it from the Radiation Shield.
4. Install the new motor/fan assembly.
5. Remove the fan batteries.
6. Install new batteries (NiCad C-cells).
7. Assemble the Radiation Shield.
8. Re-mount the Fan-Aspirated Radia-
tion Shield in its previous location.
Fan-Aspirated ISS Troubleshooting
If you are experiencing problems with your Fan-Aspirated ISS, first be
sure to check all cable connections. If you are unable to solve the problem,
please call Davis Technical Support. We’ll be glad to help. Most questions
can be answered while you’re on the phone. You can also e-mail us for
support, or visit our website. Sorry, we are unable to accept collect calls.
Fan Unit
Fan Deflect
o
Motor Connector
Junction B
o
Temp/Hum
Sensor Cable
Channel
Fan Pl
a
#4 Screws
Battery Cover
1.2 Volt Nicad
Battery
O-Ring
Battery
Compartment
Air
Flow

DAVIS Vantage Pro2 Specifications

General

Update Interval	2.5 seconds
Temperature Accuracy	±1°F (±0.5°C)
Barometric Pressure Range	16.00 to 32.50 inHg (540 to 1100 hPa)
Rain Collector Type	Tipping bucket
Wind Speed Range	0 to 200 mph (0 to 322 km/h)
Wind Speed Accuracy	±2 mph (±3 km/h) or ±5%, whichever is greater
Wind Direction Resolution	1°
Wind Direction Accuracy	±3°
Solar Radiation Range	0 to 1800 W/m²
Solar Radiation Sensor Accuracy	±5%
UV Index Range	0 to 16
UV Index Accuracy	±5%
Wireless Transmission Range	Up to 1000 ft (300 m)
Temperature Range	-40°F to +150°F (-40°C to +65°C)
Humidity Range	0 to 100%
Humidity Accuracy	±3%
Rain Collector Resolution	0.01 in (0.2 mm)
Rain Measurement Accuracy	±4%
Wind Direction Range	0 to 360°
Power Supply	Solar powered with battery backup