Emerson Rosemount CT5100 Ex, Quick Start Manual

Page: 30 / 86

For the electrical power wiring use 16 AWG stranded, 3 conductor copper or tin-plated
copper power wire, rated for at least 250 Vac, of the required length. Cables must be
terminated in the power entry points in accordance with local electrical codes. The full
electrical wiring diagram for the Rosemount
™
CT5100(Ex) is provided in Engineering
drawings .
2.3.2 Fuses
Figure 2-6 shows the location of the fuses.
Figure 2-6: Fuses
A. Fuse F4 (24 Vdc supply)
B. Fuse F3 (12 Vdc supply)
C. Fuse F1 (Mains supply – Live)
D. Fuse F2 (Mains supply – Neutral)
2.3.3 Connecting the sample supply and return line
Sample gas supply and sample return connections are 6mm (
¼
in.) ”Hamlet” compression
tube fittings. To avoid the risk of gas leaks, make sure that these connections are made
correctly and tightly. Both the sample gas supply pipe and the sample return pipe should
be thermal insulated.
The maximum sample gas supply pressure is 2 BarG.
2.3.4 Connecting the signal cables
The signal cables are connected to the system through an entry point outlet C, as shown in
Figure 2-7 . All signal cables are to be minimum 20 AWG tri-rated switchgear cable.
Customer supplied conduit and cables are to be terminated in the entry point provided in
accordance with local electrical codes.
Install Quick Start Guide
August 2018 D-7010-0055
30 Rosemount
™
CT5100 Ex