Install Manual

Site Selection and Preparation
Installation Guidelines for Air-Cooled Generators 15
Figure 3-2. Southwest Research Institute Decal
Southwest Research Institute Decal (located inside the generator, next to the generator’s data decal)
http://www.swri.org/4org/d01/fire/listlab/listprod/director.htm
Based on this testing and the requirements of NFPA 37, Sec 4.1.4, the guidelines for installation of the genera-
tors listed above are changed to 18 in (457 mm) from any point of the generator enclosure to a stationary wall,
building or structure. The required distance for maintenance and airflow clearance, the area above the generator
should be at least 5 ft (1.52 m) with a minimum of 3 ft (.91 m) at the front and ends of the enclosure. This would include
trees, shrubs and bushes. Vegetation not in compliance with these clearance parameters could obstruct air flow. In
addition, exhaust fumes from the generator could inhibit plant growth. See Figure 3.1 and the installation drawing within
the owner’s manual for details.
Generator exhaust contains DEADLY carbon monoxide gas. This dangerous gas can cause unconsciousness or
death. Do not place the unit near windows, doors, fresh air intakes (furnaces, etc.) or any openings in the building or
structure, including windows and doors of an attached garage.
If the generator is not set to the OFF mode, it can crank and start as soon as the bat-
tery cables are connected. If the utility power supply is not turned off, sparking can
occur at the battery posts and cause an explosion.
3.2 — Site Preparation
• Locate the mounting area as close as possible to the transfer switch and fuel supply.
• Leave adequate room around the area for service access (check local code), and place high enough to keep ris-
ing water from reaching the generator.
• Choose an open space that will provide adequate and unobstructed airflow.
• Place the unit so air vents won’t become clogged with leaves, grass, snow or debris. Make sure exhaust fumes
will not enter the building through eaves, windows, ventilation fans or other air intakes (see the “Site Selection”
section).
• Select the type of base, gravel or concrete, as desired or as required by local laws or codes. Verify your local
requirements before selecting.
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