DAVIS Vantage Pro ISS Retrofit Kit Bedienungsanleitung

Product # 6921, 6921C

VANTAGE PRO®AND VANTAGE PRO PLUS™

Fan-Aspirated ISS Retrofit Kit

Installation Instructions Estimated Time Required: 60 Minutes

These instructions describe how to install the Vantage Pro®Fan-Aspirated

Integrated Sensor Suite (ISS) Retrofit Kit.

This retrofit kit applies to all cabled and wireless versions of the fan-aspirated

ISS.

Components

The Fan-Aspirated ISS Retrofit Kit includes the following components:

• Externally-mounted SIM with housing

• Temperature/Humidity sensor module

• Rain Collector cable extension

• New SIM Power cable

• Splice kit to attach extension cables

• Mounting hardware for new SIM housing

Tools for Setup

In addition to the kit, you will need the following tools:

• Small Phillips-head screwdriver

• Pliers or other crimping tool

• Other hand tools depending on your installation

Tip: If your Wireless Fan-Aspirated ISS has been in service for over a year, this would

be a good opportunity to replace the C-cell batteries used by the fan.

Installation Outline

Early version of the fan-aspirated ISS mounted the sensor interface module

internally inside the radiation shield. Newer versions of the fan-aspirated ISS

mount the SIM module in an external housing. The installation procedure for

the two different versions are outlined separately below.

CAUTION:Please work on your Vantage Pro ISS in a safe place. We strongly recommend

that you remove the ISS from its installed position before beginning these steps.

ISS2 SPARS RetroKit D011.fm Page 1 Wednesday, April 23, 2003 11:26 AM

Page 2

ISS With Internally Mounted SIM

These are the procedures required to install the Fan-Aspirated ISS Retrofit Kit

on an ISS that has the SIM mounted inside the radiation shield. More detailed

directions are provided on the following pages.

1. Remove the ISS from its installed position.

2. Disconnect all cables from the old Sensor Interface Module (SIM) and

remove the SIM from the radiation shield.

3. Mount the new Temp/Hum module.

4. Re-assemble the radiation shield.

5. Locate and cut the rain collector cable.

6. Splice on the rain collector cable extension.

7. Connect sensor cables to the new SIM.

8. Power the SIM.

9. Decommission the Old SIM (Wireless models only).

10. Test Communication between the ISS and the console.

11. Mount the ISS and the SIM Housing.

12. Return the old SIM to Davis.

ISS With Externally Mounted SIM

These are the procedures required to install the Fan-Aspirated ISS Retrofit Kit in

an ISS that has the SIM mounted in an external housing. More detailed direc-

tions are provided on the following pages.

1. Remove the ISS from its installed position.

2. Open the radiation shield.

3. Mount the new Temp/Hum module.

4. Re-assemble the radiation shield.

5. Disconnect all cables from the old SIM.

6. Connect sensor cables to the new SIM.

7. Power the SIM.

8. Decommission the Old SIM (Wireless models only).

9. Test Communication between the ISS and the console.

10. Mount the ISS and the SIM Housing.

11. Return the old SIM to Davis.

ISS2 SPARS RetroKit D011.fm Page 2 Wednesday, April 23, 2003 11:26 AM

Installation Outline Page 3

Installation - ISS with Internal SIM

Use these procedures to install the retrofit kit on an ISS that has the SIM

mounted inside the radiation shield.

Note:Use this procedure if your ISS has wing nuts on the bottom.

Procedure 1. Remove the ISS from its Installed 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 the DONE key and then press

the “-” (down arrow) key to put the console in Setup Mode. This will pre-

vent the reception of erroneous rain counts from the rain collector.

2. If you have mounted the anemometer remotely from the ISS or if you have

a cabled ISS you will need to open the radiation shield. Remove the three

wing nuts and separate the upper and lower sections of the radiation

shield.

#8 Wing Nuts

#8 Lock Washers

#8 Flat Washers

Fan Plate

Junction Board

ISS

Upper

Section

ISS

Lower

Section

ISS2 SPARS RetroKit D011.fm Page 3 Wednesday, April 23, 2003 11:26 AM

Page 4 Installation - ISS with Internal SIM

3. Locate the SIM inside the upper section of the radiation shield.

4. Disconnect the WIND sensor (anemometer) cable.

5. If you have a cabled station, you will also need to disconnect the Console

cable from the SIM.

6. You can now remove the ISS from its mounted position. Move it to a safe

place to install the kit components.

Procedure 2. Disconnect all cables from the SIM and remove the

SIM.

The Sensor Interface Module (SIM) consists of a PC board and cover. The SIM

contains the ISS’s sensor and communications electronics.

1. Unplug all cables from the SIM.

Sensor Interface Cable

Solar Power Cable

(wireless models only)

Sensor Interface Module

(SIM)

3-Volt

Lithium Battery

(wireless models only)

Console Cable

(cabled models only)

Transmitter ID Switches

Anemometer

UV Sensor Cable

Solar Radiation Cable

Rain Collector Cable

WIND RAIN SOLAR UV

Sensor Interface

Cable

SIM Power Cable

(wireless models only)

Fan-Aspirated Radiation Shield SIM Cable Connections

ISS2 SPARS RetroKit D011.fm Page 4 Wednesday, April 23, 2003 11:26 AM

Installation Outline Page 5

2. The SIM transmitter board, dust cover, and rear cover plate (not shown) are

attached to the top radiation shield plate using 4 screws. Unfasten these

screws and remove the dust cover along with the board and mounting

plate.

3. Remove the SIM power cable, solar panel cable and the Sensor Interface

Cable from the junction board located in the lower section of the radiation

shield.

Procedure 3. Mount the New Temp/Hum Module

1. Remove the fan and fan deflector from the lower section of the radiation

shield.

2. Remove the old Temp/Hum module from the radiation shield and unplug

it from the junction board.

+VSIM MOTOR

+VSIM

+VSOL

+5V

T/H & SIM

TACH

Solar and SIM Power Connectors

(Wireless ISS Only) Fan Connector

AC Power Adapter Connector

(Cabled ISS Only) Temp/Hum Sensor

Connector

Sensor Interface

Connector

Junction Board Connections

Fan Unit

Fan Deflector

Motor Connector

Junction Board

Temp/Hum

Sensor Cable

Channel

Fan Plate

ISS2 SPARS RetroKit D011.fm Page 5 Wednesday, April 23, 2003 11:26 AM

Page 6 Installation - ISS with Internal SIM

3. Install the new Temp/Hum module, being sure to set the sensor cable in the

cable channel in the fan plate. The new Temp/Hum module cable will plug

directly into the SIM instead of the junction board.

4. Reinstall the fan and fan deflector.

5. The new SIM power cable has a brown terminal at one end and a white termi-

nal at the other end. Plug the brown terminal of the new SIM power cable into

the junction board connector labeled +VSIM.

Procedure 4. Re-assemble the radiation shield.

1. Line up the threaded rods on the upper section of the radiation shield with the

mounting holes in the lower section.

2. Slide the two sections partially together, leaving enough clearance so you have

access to the junction board.

3. Check the Junction Board connections: fan motor, SIM power and Solar (SOL)

power (wireless models), AC-power adapter (cabled models).

Installing the Temp/Hum Sensor

Junction Board Cover

Junction Board

Press in on Sides

near latches

to Remove Cover

ISS2 SPARS RetroKit D011.fm Page 6 Wednesday, April 23, 2003 11:26 AM

Installation Outline Page 7

4. Install the Junction Board cover as shown above. The cover installs easily

by pressing it into place.

5. Slide the two sections of the Radiation Shield completely together.

6. Fasten the two sections together using the 3 flat washers, lock washers, and

wing nuts. The wing nuts should be finger-tight.

Procedure 5. Locate and cut the rain collector cable.

These cables must be extended in order to reach the SIM housing.

1. Locate the rain collector cable hanging underneath the rain collector base.

The rain collector cable is labeled “RAIN” near the modular connector.

2. Take the wire cutters and cut the rain collector cable next to the modular

“phone-style” connector.

Procedure 6. Splice on the rain collector cable extension.

For the best connection, note the following suggestions:

• Try to place the spliced connections in a location shielded from rain.

• When securing cables, place a cable clip or tie on each side of the connec-

tion point so the movement of the cables does not cause the connection

to pull apart.

• Use the smaller splice connectors to extend the rain collector cable.

Follow this procedure to splice on the rain collector cable extension:

1. Use a wire stripper or a knife to strip away about 1½ inches (38 mm) of the

jacket (the outer covering) of the cable.

Do not strip away any of the colored insulation on the individual wires.

Repeat this procedure for the end of each cable you are connecting.

Strip Shielding

2. Take a wire from one of the cables and place it into one of the holes at the

end of a splice connector.

Make sure you push the wire all the way in. You can check this by looking

through the clear side of the splice connector.

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Page 8 Installation - ISS with Internal SIM

3. Take the same colored wire from the other cable and place it into the other

hole at the end of the splice connector.

✦Make sure you push the wire all the way in. You can check this by

looking through the clear side of the splice connector.

4. Use pliers to snap the cap into place, securing the wires.

✦Use the provided yellow splice connectors.

5. Repeat this procedure for each pair of wires to be spliced.

6. Use a cable tie to secure the two cables together as shown.

Doing this provides a measure of strain relief which should prevent the

wires from pulling apart under normal conditions. Cut off the excess cable

tie when it is secure.

7. Gather the wires and splice connectors neatly together and secure with a

cable tie in a protected location up close under the rain collector base.

Procedure 7. Connect Sensor Cables to the New SIM.

The ISS sensors are connected by cables to the Sensor Interface Module (SIM),

located inside the new SIM housing. The SIM contains electronics that measure

and store weather values for transmission to the console via cable or radio. The

SIM housing protects the SIM from the elements and provides easy access to

SIM cable connections.

1. Take one of the square rubber grommets from the bottom of the SIM hous-

ing and run the cables for the UV and Solar Radiation sensors through it, if

included on your station.

2. Wireless ISS: Run the SIM Power cable through this first grommet.

3. Take the second square rubber grommet and run the Rain Collector, Ane-

mometer, and Temp/Hum sensor cables through it.

4. Cabled ISS: run the console cable through this second grommet.

5. Install the first grommet in the left slot in the SIM housing, and install the

second grommet in the right slot, adjusting the inside cable lengths as

needed for a tidy installation.

Using Splice Connector

ISS2 SPARS RetroKit D011.fm Page 8 Wednesday, April 23, 2003 11:26 AM

Installation Outline Page 9

6. Refer to the ISS SIM Connections illustration and connect only the sensor

cables as shown. You will connect the power cables in the next procedure.

Procedure 8. Power the SIM.

Powering the Cabled ISS SIM

Cabled versions of the ISS receives power from the console via the 100’ (30m)

cable that runs between them.

• Plug the console cable into the SIM connector labeled “CONSOLE”.

UV SUN RAIN WIND

3-Volt Lithium Battery

(wireless models only)

Temp/Humidity Cable

UV Sensor Cable

Solar Radiation Cable

Rain Collector Cable

Anemometer Cable

SIM Power Cable

(wireless only)

Console Cable (cabled only)

Transmitter

ID Switches

UV SUN RAIN WIND

TEMP

HUM

ISS2 SPARS RetroKit D011.fm Page 9 Wednesday, April 23, 2003 11:26 AM

Page 10 Installation - ISS with Internal SIM

Powering the Wireless ISS SIM

Wireless versions of the ISS receive most of their power from the solar panel

installed next to the rain collector. Backup power is provided by a 3-volt lithium

battery.

1. Install the new battery in the SIM. The green test LED should blink once on

power up.

2. Check that the DavisTalk transmitter DIP switches on the new transmitter

board match those on the old board. Change the settings if necessary.

3. Connect the SIM power cable.

Note:DIP switch #4 on the new transmitter board should be in the OFF position.

Procedure 9. Decommission the old SIM (Wireless ISS only)

Even after removing the battery, the old transmitter board will still have some

power reserves and will continue to transmit data to your Vantage Pro console

for up to 8 hours. In order to prevent the old transmitter board from sending

erroneous data to your console, change the DavisTalk transmitter DIP switch

setting on the old board.

1. Remove the battery from the old SIM.

1. Use a pen or other device with a fine point to change the setting of DIP

switch # 1, #2, or #3. You only need to move one of these switches to change

the ID setting.

2. As an added precaution, change the old transmitter board DIP switch #4 to

the ON position. This will put the board in Test Mode, and more quickly

discharge the board’s power reserves. In Test Mode the green LED test light

will flash approximately every 2.5 seconds.

Procedure 10. Test Communication

Test your ISS to verify it is communicating with your Vantage Pro console by

spinning the wind cups or turning the weather vane.

• If your console is in Setup Mode, you will need to exit Setup Mode to

perform this test. Exit Setup Mode by pressing and holding the DONE

key.

• The console should display these movements within a couple of seconds.

1234

Battery Holder

(Wireless Only)

DIP Switch #4

Console Cable Connector

(Cabled Only)

DavisTalk Transmitter ID DIP Switch Settings

ISS2 SPARS RetroKit D011.fm Page 10 Wednesday, April 23, 2003 11:26 AM

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