Va nt ag e P ro® ISS Retrofit Kit
INSTRUCTIONS Estimated Time Required: 30 Minutes
This Instructio n Shee t desc ribes how t o inst all the I SS Retrofit Kit for a Vantage
®
or Vantatge Pro Plus Integrated Sensor Suite (ISS).
Pro
Components
The ISS Retrofit Kit includes the following components and hardware:
• New Sensor Interface Module (SIM) preinstalled in a SIM housing,
attached to a new bo ttom radiation shield plate along with a new separate Temp/Hum sensor module
• Three long screws with nuts, flat washers, and lock washers
• One 3-volt CR-123A lithium battery
Tools for Setup
In addition to the kit, you will need the following tools:
• 7/16” (12mm) wrench or adjustable wrench
• Phillips screw driver
• Hammer
• Pliers
Overview of Kit Installation
1. Remove the ISS from its Mounted Position
2. Dissassemble the ISS Radiation Shield
3. Install the Retrofit Kit components
4. Connect Cables and Power the New SIM
5. Verify Communications - Wireless Models
6. Mount the ISS
7. Return the Old SIM to Davis
Product # 6920, 6920C
Remove the ISS from its Mounted Position
In order to take down your ISS you will first need to disconnect the anemometer cable. If you have a Cabled Vantage Pro station, you will also need to disconnect the console cable from the ISS.
CAUTION:Please work on your Vantage Pro ISS in a safe place.
1. At your Vantage Pro console, press and hold t he DONE ke y and th en press
the “-” (down arrow) key to put the console in Setup Mode. This will prevent the reception of erroneous rain counts from the rain collector.
2. At the ISS, remove
and discard the three
(3) wing nuts from the
bottom of the radiation shield.
3. Remove the three (3) bottom plates from the shield.
4. Set aside the two open (middle) plates.
5. Discard the bottom closed plate.
6. Disconnect the WI ND sensor (anemometer) cable.
7. Cabled Stations Only:
Disconnect the Console cable from the
SIM.
8. You can now remove
the ISS from it’s
mounted position.
Move it to a safe place
to install the kit components.
Sensor
Interface
Module
(SIM)
Antenna
Antenna
Deployment
Hole
(Wireless only)
#8 Flat Washer
Rain Collector
Base
Top Closed Plate
(Save this plate)
Open Plate
(Save this plate)
Open Plate
(Save this plate)
Bottom Closed Plate
(Discard this plate)
#8 Lock Washer
#8 Wing Nut
Opening the Radiation Shield
Page 2 Vantage Pro® ISS Retrofit Kit
Dissassemble the ISS Radiation Shield
Note:We recommend using a workbench or equivalent flat surface for the following pro-
cedures.
1. With the rain collector cone in place, turn the ISS over so it rests on the top of the cone.
2. Disconnect the rain collector ca ble and (if pr esent) the so lar panel cab le, and
the SUN (solar radiation) and UV sensor cables.
Mounting Screws (4)
UV Sensor
Solar Sensor
Rain Collector
Anemometer
Solar Panel Cable (wireless only)
UV SUN RAIN WIND
CONSOLE
3-Volt
Lithium
Battery
(wireless
only)
AC Power
(optional)
Console Cable
(cabled only)
DavisTalk Transmitter ID Switches
Green Test LED
Old SIM Connections and Screw Locations
3. The SIM transmitter board, dust cover, and small rear cover plate (not
shown) are attached to the top radiation shield plate by 4 sc rews . Unscrew
these screws and remove the front dus t co ver along with the SIM and the
rear cover plate.
4. Make a note of the transmitter ID switch settings. You will use these settings in the new replacement SIM.
Switch Position1234
Switch Setting OFF
5. Remove the battery fr om the cir cuit b oar d and se t all ID code pos iti ons ON . With all the transmitter ID switches set to ON, the power stored in the old
SIM’s super capacitor should dissipate within one hour.
Note:Setting the #1, 2 and 3 ID switches to ON will set your transmitter ID to “8”. Setting the
#4 ID switch will turn on the ISS test mode. Set the #1, 2 and 3 switches differently if you
are using Station 8 in your weather station. Refer to Appendix A.”Wireless Transmitter
Settings” in your ISS Installation Manual for more information.
6. Save the battery as a back-up and s et aside the SIM board for return to Davis.
Dissassemble the ISS Radiation Shield Page 3
7. Hammer the three (3) long radiation shield scr ews dow n into the base. The
screws should move fairly eas ily with ligh t ta ps fr om a hammer.
8. Remove the rain collector cone.
Pound the 3
long screws
Top closed
radiation
shield
plate
down into the
base.
Twist off the rain collector cone.
9. Pull the top closed radiation shield plate off or use pliers to hold the pushnuts while you unscrew the screws, then discard the old screws, push-nuts
and washers.
Remove push nuts
from the 3 long screws,
then remove the screws.
10. Save the top closed radiation shield plate for later use.
Page 4 Vantage Pro® ISS Retrofit Kit
Install the Retrofit Kit Components
1. Open the SIM housing cover. Note the “S-loop” in which the TEMP-HUM cable is formed.
2. Disconnect the TEMP-HUM cable and close the SIM housing cover.
1
Use your thumbs to push
back on the two (2) plastic
latches.
SIM Housing Cover
2
With the latches pushed
back, use your fingers to
lift up on the corner edges
of the cover.
Screw Fastening Holes.
Use self-threading screws:
#6 x 0.5" (3.5mm x 12 mm)
SIM Housing
Opening the SIM Housing Cover
(optional)
3-Volt Lithium Battery
(wireless models only)
Solar Panel Power
(wireless models only)
AC Power
(optional)
Console Cable
(cabled models
only)
DIP Switches
(wireless models
only)
Optional
Anemometer
Temp/Humidity
Cable Routing Channels
(press cables fully into channel
to form "S-loop")
UV Sensor
Solar Radiation
Rain Collector
New SIM Connections
3. Place the new SIM housing, radiation sensor plate and Temp/Hum sensor
assembly on the work surface with the SIM housing on the bottom.
4. Place the two open plates on the Assembly, feeding the TEMP-HUM cable
through the opening in the plates. Be sure that the three screw holes line
up.
Install the Retrofit Kit Components Page 5
5. Place the top closed
radiation shield plate
that you saved du ring
disassembly on top of
the stack. The TEMP-
3 3/4 Inch Screw
Lock Washer
Flat Washer
Solar Power
Cable Routing
HUM cable should exit
between the upper of
the two open plates
and the top closed
plate, in the direction
towards the SIM housing cable channels.
Top Plate
Middle Plates
Temp/Hum
Sensor
SIM Housing
6. Holding the rain collector base above the
stack of plates, place
the SOLAR PANEL cable, if present, across t he top of the plat es so that it run s
between the top plate and the base, and from th e f ront to back of the base).
7. Place the rain collector base down on top of the stack of plates.
8. Insert the 3 screws, with lock washers and flat washers, through the rain collector base and radiation shield plates into the threaded inserts in the bottom
plate (see figure). Use the screws to fasten the radiation shield to the base.
9. Install the Rain Collector cone.
Connect Cables and Power the New Sim
1. Turn the assembly upside-down(SIM housing on top) and open th e SIM hous ing cover.
2. Plug in the TEMP-HUM sensor and the RAIN cable, and if present, plug in the
solar panel power cable and the SUN and UV sensor cables.
TEMP-HUM
Cable
Routing
Note:Be sure to push the cables de ep into the cable channels to form S -loops (see figure).
3. Wireless Models Only: Install the battery. Be careful to observe the battery
polarity markings on the battery holder.
4. Wireless Models Only: Set the transmitter ID code to match the settings used on the old SIM.
Note:Make sure the transmitter DIP switch #4 on the new SIM is in the OFF position.
5. Close the SIM housing cover.
Verify Communications - Wireless Models
1. If your console is in Setup Mode, you will need to exit Setup Mode to perform
this test. You can exit Setup Mode by pressing and holding the DONE key.
2. Press and hold the TEMP key and then press TIME key on the console to display the Diagnostic Screen.
Page 6 Vantage Pro® ISS Retrofit Kit
3. Press the 2nd key then pr ess and hold the CLEA R key until all transmis sion
diagnostic counte rs are reset to zero.
4. View the Percentage of Packets Received, #5 in the illustration below, to
verify communication with the ISS.
1
23
am
6
7
9
8
10
11
14
Last 24 days
Vertical Scale: 1 0
Every 1
45
day
STATION NO. 5
13
12
5. If you are not receiving data from the ISS, check that the battery was
installed correctly and that the transmitter ID switches are set correctly. If
you are still not receiving data please contact Davis Technical Support.
6. If you are successfully receiving data, press and hold the DONE key and
then press the “-” (down arrow) key to put the console back into Setup
Mode. This will prevent the reception of erroneous rain counts from the
rain collector while you mount the ISS.
Mount the ISS
1. Mount the ISS in its previous location.
2. All Stations: Plug the WIND sensor cable into the SIM.
3. Cabled Stations Only: Plug the Console cable into the SIM.
4. Close the SIM housing cover.
Note:If desired, you can more securely fasten the SIM housing cover by using self-threading
screws in the holes provided for that purpose. See the SIM Housing Cover illustration
for details.
5. At your Vantage Pro console: Press and hold the DONE key on the console to exit Setup Mode.
6. Cabled Models Only: Verify the reception of data from the ISS at your Vantage Pro console. If you are not receiving weather data at the console double-check the console cable connections.
Return the Old SIM to Davis
1. Return the old SIM in the ISS Retrofit Kit shipping box.
2. Include the shipping paperwork you received with the Retrofit Kit.
Note:Wir e les s Models Only: Plea se be sur e to r emov e the batt ery before shipping the old SIM.
Mount the ISS Page 7
3. Ship to: Davis Instruments Attn: Returns 3465 Diablo A ve. Hayward, CA 94545
Troubleshooting
Please contact Davis Technical Support if you have any questions or problems
installing the ISS Retrofit Kit.
Contacting Davis Technical Support
(510) 732-7814 for Technical Support, Monday – F riday, 7:00 a.m. – 5:30 p.m.
Pacific Time.
(510) 670-0589 Fax to Technical Support.
support@davisnet.com E-mail to Technical Support.
www.davisnet.com Copies of User Manuals are available from the Weather
Support page. Watch for FAQs and updates. Subscribe to the e-newsletter.
FCC Part 15 Class B Registration Warning
This equipment has been tested and found to comply with the limits for a class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection ag a inst harmful interfer ence in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interferenc e wil l n ot occ ur in a p art icular installation.
If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment o f f and on, the user is enco uraged to try t o corr ect th e
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved in wri tin g by Da vis Instruments may void
the user’s authority to operate this equipment.
Product Numbers: 6920, 6920C
Davis Instruments Part Number: 7395.307
ISS Retrofit Kit
Rev. B Manual (02/19/03)
This product complies with the essential protection requirements of the EC EMC Directve 89/336/EC.
Copyright ©2003 Davis Instruments Corp. All rights reserved.
Vantage Pro is a registered trademark of Davis Instruments Corporation.
3465 Diablo Avenue, Hayward, CA 94545-2778 U.S.A.
510-732-9229 • Fax: 510-732-9188
E-mail: info@davisnet.com • www.davisnet.com
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