Reference Manual
00809-0100-4835 Rev BD
July 2016
Rosemount 3150 Series
2-15
Mechanical – Conduit
Electrical
CAUTION
Be careful not to damage the set screw interface between the sensor
module and the electronics housing.
NOTE
Install the conduit seal in accordance with the manufacturer’s
instructions or use the procedure in this section.
1. Seal conduit threads with your plant-approved qualified thread
sealant.
2. Install conduit to the manufacturer’s recommended thread
engagement or torque level. For conduit connectors, refer to
the appropriate manufacturer’s installation manuals. Hold the
electronics housing securely to avoid damaging the set screw
interface between the sensor module and the electronics
housing during conduit installation. The 3154 electronics
housing conduit hub has two flat surfaces that allow the housing
to be held securely with open end wrench or other suitable tool
during conduit installation.
3. Provide separate support for the conduit if necessary.
CAUTION
Do not connect signal leads to the ‘TEST’ terminals.
WARNING
Electrical shock can result in death or serious injury. Avoid contact with
the leads and terminals. High voltage that may be present on leads can
cause electrical shock.
1. Remove the cover from the terminal side of the transmitter.
2. Connect the power leads to the ‘SIGNAL’ terminals on the
transmitter terminal block (see Figure 2-7). Avoid contact with
the leads and terminals. Do not connect the powered signal
wiring to the test terminals, power could damage the test diode.
Torque the terminal screws to the value shown in Table 5-2 in
Section 5 Maintenance and Troubleshooting
or hand-tight.
Signal wiring supplies all power to the transmitter. If a 3 wire
connector is utilized or loop grounding is required, use the
ground screw shown in Figure 2-8.
3. Recheck connections for proper polarity. Position excess wiring
inside the housing so cover installation avoids damage to the
wiring.
4. Carefully replace cover. Caution should be taken that electrical
wires do not interfere with cover installation so wire damage
does not occur. Tighten until cover and housing are fully
engaged metal-to-metal (see Figure 2-9). Covers come pre-
lubricated from the factory and should not require additional
lubrication during initial installation.
NOTE
Once the cover is installed metal-to-metal, do not torque the cover
further.
Summary of Contents for 3152
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