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The AC power connections are made at the terminals designated "AC
Ground", "AC Neutral", and "AC Line" within the Ex d Electronics En-
closure (Figure 3-3). Note that the input sides of the three fuse holders are
jumpered together via the bus bar. The three "Neutral" terminals are also
jumpered together.
The AC electrical supply wires enter the Electronics Enclosure through the
Power Cable Entry on the top of the Electronics Enclosure (Figure 3-1).
!
Each unused cable entry port must be plugged with a certified
Ex d plug. The plugs are supplied by AMETEK. Do not replace these
WARNING
plugs with uncertified plugs.
North American Installation
• The AC electrical supply wires are typically routed through conduit
(complete with connector and seal) that must be approved by local
wiring regulations and electrical code for the hazardous location.
• Thread adapters are supplied with the analyzer. In the Electronics En-
closure, these adapters connect the M25 threaded holes to the 1/2" and
3/4" NPT threads that are normally used for conduit.
European Installation
To maintain EMC compliance in European installations, AMETEK
recommends using metallic glands and shielded cable (at least 85%
NOTE
coverage) for both the power and signal cable connections.
• The AC electrical supply cable must be approved by the local wiring
regulations and electrical codes for the hazardous location, and must
be rated for minimum 80 °C (176 °F).
!
Use only certified Ex d cable glands (in the Electronics Enclosure).
WARNING
Installation and Start-Up
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3-27
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