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SFIDK.PS.029.Q3.02
31
5. Signal converter installation
Signal conv. inst.
SITRANS F US SONOFLO
®
®
®
®
®
The SENSORPROM
®
unit is delivered with the sensor in an antistatic bag.
Disconnect the voltage supply. Remove the electronic unit.
1. Loosen the back plate by means of a screwdriver in one of the two holes.
2. Remove the two screws holding the electronic unit.
3. Remove the electronic unit by pulling the handle.
Operation is identical for both versions, the same menu structure being used for all SITRANS F US
SONOFLO
®
variants. To protect the keypad and display the front is protected with a glass cover
which can be screwed off by hand, i.e. without using any special tools.
Since display and keypad are intrinsically safe, the cover does not have to be installed during
operation.
5.12.10 Operation
If the electronics are to be replaced they are accessed by dismantling the cover located in the back
of the enclosure.
The cover must only be opened when the mains supply is disconnected
.
The cover is removed by placing e.g. a screwdriver with a diameter of approximately 6 mm in one
of the two holes located in the edge of the cover. The cover is removed by turning anti-clockwise.
Thereafter the two screws holding the electronic insert are loosened and the entire unit is removed
using the curved handle.
Insert the new electronic unit and the enclosure can now be reassembled in the reverse order.
5.12.11 Replacement of
electronics
5.12.12 Location of
SENSORPROM
®
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flow memory unit
The SENSORPROM
®
unit is placed in the bottom of the electronics housing and is only accessible
when the electronic insert has been removed, i.e. on replacing the SENSORPROM
®
unit the
electronics insert must be removed. After removal of the electronic the two screws retaining the
SENSORPROM
®
unit are loosened, and the new SENSORPROM
®
unit fitted.