Class I, Div 2 Installation Considerations - Emerson ControlWave EFM Instruction Manual

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ControlWave EFM Instruction Manual
Caution
Specifications
for Temperature,
Humidity and
Vibration

2.1.1 Class I, Div 2 Installation Considerations

WARNING
2-2
To ensure safe use of this product, please review and follow the
instructions in the following supplemental documentation:
Supplement Guide - ControlWave Site Considerations for
Equipment Installation, Grounding, and Wiring (S1400CW)
ESDS Manual – Care and Handling of PC Boards and ESD
Sensitive Components (S14006)
See document 1660DS-5i available on our website for detailed
technical specifications for temperature, humidity, and vibration for
the ControlWave EFM. This document is available on our website at
www.emersonprocess.com/remote.
 Ensure that the ambient temperature and humidity at the installation
site remains within these specifications. Operation beyond the
specified ranges could cause output errors and erratic performance.
Prolonged operation under extreme conditions could also result in
failure of the unit.
 Check the mounted enclosure, panel, or equipment rack for
mechanical vibrations. Make sure that the ControlWave EFM is not
exposed to a level of vibration that exceeds that provided in the
technical specifications.
Underwriters Laboratories (UL) lists the ControlWave EFM as non-
incendive and suitable only for use in Class I, Division 2, Group C, and
D hazardous locations and non-hazardous locations. Read this chapter
and Appendix A carefully before you install a ControlWave EFM in a
hazardous location.
Perform all power and I/O wiring for unrated circuits in accordance
with Class I, Division 2 wiring methods as defined in Article 501-4 (b)
of the National Electrical Code, NFPA 70 (for installations within the
United States) or as specified in Section 18-152 of the Canadian
Electrical Code (for installation in Canada).
EXPLOSION HAZARD
Substitution of components may impair suitability for use in Class I,
Division 2 environments.
When the ControlWave EFM is situated in a hazardous location, turn off
power before servicing or replacing the unit and before installing or
removing I/O wiring.
Do not connect or disconnect equipment unless the power is switched
off and the area is known to be non-hazardous.
Installation
Revised Dec-2013

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