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7
STEP 2. Preparing conduit openings for ATEX Zone 1
If the Model 3350/3700 carries an ATEX Zone 1 approval:
1. Remove thread protectors from conduit openings (see Figure 7).
2. Install factory-supplied cable glands or user-supplied EExe cable
entry devices in conduit openings that are in use.
3. Install EExe plugs in conduit openings that are not in use.
STEP 3. Orienting the Model 3350/3700 (optional)
The Model 3350/3700 can be oriented on the mounting bracket as
needed, and the display cover can be rotated on the applications platform.
Figure 7 provides orientation examples.
To orient the Model 3350/3700:
1. Use the four supplied mounting bolt assemblies.
2. Using a 13 mm hex wrench, install the bolt assemblies to 12 ft-lb
(16 Nm) of torque.
To rotate the display cover, if needed, see the transmitter installation
manual.
Figure 7. Orientation examples
Conduit openings for
non-intrinsically safe
input/output wiring
Conduit openings for
intrinsically safe
sensor wiring
Display cover
Conduit openings
right
Conduit opening
s
down
Conduit openings
left