High-Point Installation; Hazardous Locations - Emerson Rosemount 8800D Series Reference Manual

Installation
March 2016
Note
In some applications it may be necessary to install conduit seals and arrange for conduits to
drain to prevent moisture from entering the wiring compartment. Should not be removed
when circuit live or in explosive atmosphere.
3.4.8

High-point installation

Prevent condensation in any conduit from flowing into the housing by mounting the
flowmeter at a high point in the conduit run. If the flowmeter is mounted at a low point in
the conduit run, the terminal compartment could fill with fluid.
If the conduit originates above the flowmeter, route conduit below the flowmeter before
entry. In some cases a drain seal may need to be installed.
Figure 3-10. Proper Conduit Installation with the Flowmeter
A. Conduit line
Note
In some applications it may be necessary to install conduit seals and arrange for conduits to
drain to prevent moisture from entering the wiring compartment. These should not be
removed when the circuit is live or in explosive atmosphere.
3.5

Hazardous locations

The flowmeter has an explosion-proof housing and circuitry suitable for intrinsically safe
and non-incendive operation. Individual transmitters are clearly marked with a tag
indicating the certifications they carry. To maintain certified ratings for installed
transmitters, install in accordance with all applicable installation codes and approval
drawings. For specific approval categories, refer to
28
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Reference Manual
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