Wire And Apply Power - Emerson Rosemount 3144P Quick Start Manual

April 2015
Typical remote mount installation
1. Mount the thermowell to the process container wall. Install and tighten
thermowells. Perform a leak check.
2. Attach a connection head to the thermowell.
3. Insert sensor into the thermowell and wire the sensor to the connection head
(the wiring diagram is located inside the connection head).
4. Mount the transmitter to a 2-in. (50 mm) pipe or a panel using one of the
optional mounting bracket (B4 bracket is shown below).
5. Attach cable glands to the shielded cable running from the connection head
to the transmitter conduit entry.
6. Run the shielded cable from the opposite conduit entry on the transmitter
back to the control room.
7. Insert shielded cable leads through the cable entries into the connection
head/transmitter. Connect and tighten cable glands.
8. Connect the shielded cable leads to the connection head terminals (located
inside the connection head) and to the sensor wiring terminals (located inside
the transmitter housing).
A. Cable Gland
B. Shielded Cable from Sensor to Transmitter
C. Shielded Cable from Transmitter to Control Room
D. 2-in. (50mm) pipe
E. B4 Mounting Bracket
Step 5: Wire and apply power
Wire the transmitter
Wiring diagrams are located inside the terminal block cover. See
Single-sensor
2-wire RTD
and Ohms
* Transmitter must be configured for a 3-wire RTD in order to recognize an RTD with a compensation loop.
** Rosemount provides 4-wire sensors for all single-element RTDs. You can use these RTDs in 3-wire
configurations by leaving the unneeded leads disconnected and insulated with electrical tape.
A
B
C
below.
3144P Single-sensor
3-wire RTD
and Ohms**
D
E
4-wire RTD T/Cs and
and Ohms Millivolts
Quick Start Guide
3144P
RTD with
Compensation
7