Manual

1. System Overview
26
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The CE-X series engine generator enclosures have the capability of either
vapor fuel configurations, Natural or Propane vapor withdrawal. As shown
below, several safety features were added to ensure the cabinets comply with
applicable sections of NFPA 54 (National Fuel Gas Code), NFPA 58 (Storage and
Use of Propane), and NFPA 37 (Engine generators) regarding proper spacing
between intake vents to combustible openings and venting devices on propane
systems.
The CE-X series enclosures are air-cooled. The air intake is through the
bottom rear of the enclosure, and the forced-air exhaust is via the upper duct
on the front roof. The Propane compartment front door is louvered to allow
adequate airflow to atmosphere. The distance between these two points is
greater than 5 feet and is on opposite sides of the enclosure to prevent
communicable air spaces.
To prevent the enclosures from having the doors placed on the wrong sides,
thereby violating the codes, the bottoms of the doors are keyed in a way that
cannot allow incorrect airflow patterns. During operation, and upon completion
of maintenance, or propane tank replacement, the doors must be installed
properly.
1.9 Propane Enclosure Overview
Fig. 1-10 Overhead view, airflow patterns