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Site Selection and Preparation
Installation Guidelines for 60 Hz PowerPact™
13
materials, and the results and conclusions from the
independent testing lab indicated that any fire within the
generator enclosure would not pose any ignition risk to
nearby combustibles or structures, with or without fire
service personnel response.
Figure 3-2. Southwest Research Institute Marking
http://www2.swri.org/www2/listprod/
DocumentSelection.asp?ProductID=973&IndustryID=2
Based on this testing and the requirements of NFPA 37,
Sec 4.1.4,1.2, the guidelines for installation of the
generators listed above are changed to 18 in (457 mm)
from the back side of the generator to a stationary wall or
building (C). For adequate maintenance and airflow
clearance, the area above the generator should be at
least 5 ft (1.52 m) with a minimum of 3 ft (0.91 m) at the
front and ends of the enclosure. This includes 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
and the installation drawing
within the owner’s manual for details.
NOTE:
If the generator is not set to OFF, it can crank and
start as soon as the battery cables are connected. If the
utility power supply is not turned off, sparking can occur
at the battery posts and cause an explosion.
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 rising water from reaching the generator.
•
Choose an open space which provides adequate
and unobstructed airflow.
•
Place the unit so air vents won’t become clogged
with leaves, grass, snow, or debris. Verify exhaust
fumes will not enter any building through eaves,
windows, ventilation fans, or other air intakes (see
•
Select the type of base, such as—but not limited
to—compacted soil, gravel, or concrete, as desired
or as required by local laws or codes. Verify your
local requirements before selecting.
Material Sufficient for Level Installation
. Prepare a rectangular area approximately
4 in (102mm) deep (A) and approximately 6 in (152 mm)
longer and wider (B) than the footprint of the generator.
Verify the surface where the generator will be mounted is
compacted, leveled, and will not erode over time. A
concrete pad can be poured if desired or required.
Figure 3-3. Compacted Soil or Gravel Pad
NOTE:
If a concrete pad is required, follow all applicable
Federal, State or local codes.
Figure 3-4. Poured or Pre-formed Concrete Pad
002158
Automatic start-up. Disconnect utility power and
render unit inoperable before working on unit.
Failure to do so will result in death or serious injury.
(000191)
DANGER
Asphyxiation. Running engines produce
carbon monoxide, a colorless, odorless,
poisonous gas. Carbon monoxide, if not
avoided, will result in death or serious injury.
(000103)
DANGER
A
B
000856
000611a
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