Physical Installation; Direct Mount - Emerson Smart Wireless THUM Quick Start Manual

Quick Start Guide

3.0 Physical installation

The THUM Adapter can be installed in one of two configurations:
1. Direct mount: The THUM Adapter is connected directly to the conduit entry
of the wired device.
2. Remote mount: The THUM Adapter is mounted separate from the wired
device housing and then connected to the wired device using conduit or other
suitable means.
Figure 4. Direct Mount

4.0 Direct mount

1. Install the HART device according to standard installation practices and the
manufacturer's instructions, being sure to use an approved thread sealant on
all connections.
2. Attach the THUM Adapter to the wired device as shown in
3. Connect the THUM Adapter to the HART wired device using the wiring
diagrams below. See
page 11, and
4. Close the housing cover on the HART wired device, so that metal touches
metal, but do not over tighten to prevent damaging the unit.
Note
Two splice connectors are included with the THUM Adapter. The first is a two connection
splice. The second is a three connection splice for use with a resistor, if there is not enough
resistance in the loop. Both of these splice connectors can accept 14 to 22 gauge wire. See
wired device reference manual for information on the required loop resistance.
6
Figure 21 on page
Figure 12 on page 13
19, Figure 8 on page
on the following pages.
June 2016
Figure 4 on page 6.
10, Figure 10 on