3-24 | Model 931S / Model 932S UV Analyzers
European Installation
To maintain EMC compliance in European installations, AMETEK
recommends using metallic glands and shielded cable (at least 85 %
coverage) for both power and signal cable connections.
To make the AC power connections in the Ex d Lower Enclosure:
• 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). This cable enters the Ex d Lower
Enclosure through the Power Cable Entry on the bottom of the Ex d
Enclosure (Figure 3-8).
• The AC power connections are made at the terminals designated “H”,
“N”, and “PE” (at TB1) on the AC Terminal Strip (Figure 3-8, Detail A).
For Division 1/Zone 1 Installations, all cable entry glands (one
power cable entry and two signal cable entries) into the flameproof
Disconnect Enclosure must be Ex d certified. Conduit or cable seals
that comply with the flameproof enclosure cable entry sealing require-
ments of the local authority must be installed at the entries to the
enclosure. In all cases, each unused cable entry port must be plugged
with a certified Ex d plug.
North American Installation
To make the AC power connections in the Lower Enclosure:
The AC power connections are made at the terminals designated “H”,
“N”, and “G” (at TB1) on the AC Terminal Strip (Figure 3-8, Detail A).
For your system, refer to Final “As-Built” drawings in the analyzer
Documentation Package.
!
WARNING
NOTE