4 Direct mount
Prerequisites
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.
Procedure
1. Attach the THUM Adapter to the wired device as shown in Figure 4-1.
Figure 4-1: Direct Mount
2. Connect the THUM Adapter to the HART wired device using the
Wiring diagrams.
3. Close the housing cover on the HART wired device, so that metal
touches metal, but do not overtighten 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.
September 2020 Quick Start Guide
Quick Start Guide 9
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General