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75
Service Manual
Third edition, June 1997
Electronic
Box
IG pressure
sensor (option)
Cable inlet
Protective
hose (option)
Insulation
Stainless steel
cone antenna
Figure 6-2. Cross-cut of the Cone Antenna.
perature Connection Box may be deck mounted or pump
mounted.
There is a wire terminal within the transmitter housing used
for connection of the optional sensors, the Local Display and
the cables to the Level Unit.
The electronics for the Transmitter are intrinsically safe and
are placed in the Electronic Box. The same type of Electronic
Box is used for both types of Transmitters. The function of
the Transmitter can be tested with the Transmitter Test Cable,
see chapter 6.2 below.
6.1 Replacing an Electronic Box
The Electronic Box is placed inside the transmitter housing.
See figures 6-1 and 6-2.
The Electronic Box can be replaced while the system is oper-
ating. Avoid letting water into the transmitter housing.
Handle with care and make sure the wire terminal is clean
and dry.
Note: The Electronic Box is waterproof and must not be opened.
Always replace the entire Electronic Box if it is faulty.