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Junction board connections, Procedure 3. mount the new temp/hum module – DAVIS Vantage Pro ISS Retrofit Kit for Fan-Aspirated Station User Manual

Page 5

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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