PN 903-8797, Rev A
Personnel and Equipment Safety Information
This section describes important safety information to avoid personal injury and
damage to the equipment while installing, operating, maintaining, or servicing the
equipment. All safety regulations, standards, and procedures at the installation
location must be followed.
All personnel involved with the installation, start-up, operation, maintenance,
service, or troubleshooting of must review and follow these Warnings and Cautions.
Before working on the 241CE II Hydrocarbon Dewpoint Analyzer, read and understand
the following Warnings and Cautions, regarding safety and other required information.
Additional Notes, Warnings, and Cautions included in individual procedures in this
manual indicate special conditions to consider during installation, before opening the
241CE II Hydrocarbon Dewpoint Analyzer and while working on it.
All covers must be tightly fastened with all screws and the Measuring Cell As-
sembly must remain in place while the circuits are live.
Always disconnect main AC power and/or external power sources (example,
for relay contacts) to the analyzer before removing any sample system assem-
blies and components from the analyzer, or before opening any covers on the
analyzer.
If it is necessary to open the Ex d Electronics Enclosure while the circuits are
live, test the area for explosive gases and proceed only when the area is safe.
When the Electronics Enclosure door is open, take appropriate precautions to
avoid electrical shock. Hazardous voltages are present inside.
All electrical connections, adjustments, or servicing of the analyzer should be
performed only by properly trained and qualied personnel.
All electrical connections, materials, and methods (plus all safety policies and
procedures) must be made in compliance with local wiring regulations and
electrical codes for the hazardous location, and be approved by the Owner
Company, local electrical-inspection authority, and National/EU regulations.
viii | 241CE II Hydrocarbon Dewpoint Analyzer
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