
Natural Gas Generator Set Installation Manual-GF Series
Doc. 17855, Rel. 03/2014
3-1
Section 3 - Installation
3.1 Mounting the Generator Set
Generator set installations must be engineered so the
generator set will function properly under the
expected load conditions. Use these instructions as a
general guide only. Follow the instructions of the con-
sulting engineer when locating or installing any com-
ponents. The complete installation must comply with
all local and state building codes, fire ordinances, and
other applicable regulations. Consider these require-
ments before installation:
• Level mounting surface
• Adequate cooling air
• Adequate fresh induction air
• Discharge of generator set air
• Non-combustible mounting surface
• Discharge of exhaust gases
• Electrical connections
• Accessibility for operation and servicing
• Noise levels
• Vibration isolation
3.1.1 Location
Generator set location is decided mainly by related
systems such as ventilation, wiring, fuel, and
exhaust. The set should be located as near as possi-
ble to the main power service entrance. Exhaust must
not be able to enter or accumulate around inhabited
areas.
Provide a location away from extreme ambient tem-
peratures and protect the generator set from adverse
weather conditions. An optional housing is available
for outside operation.
Incorrect installation, service, or parts replace-
ment, can result in severe personal injury, death,
and/or equipment damage. Service personnel
must be trained and experienced to perform elec-
trical and mechanical component installation.
IMPORTANT: Depending on location and intended
use, federal, state, or local laws and regulation may
require the customer to obtain an air quality emis-
sions permit before beginning installation of the
genset. Be sure to consult local pollution control or air
quality authorities before completing construction
plans.
3.1.2 Mounting
Generator sets are mounted on a steel skid that pro-
vides proper support. The engine-generator assem-
bly is isolated from the skid frame by rubber mounts
that provide adequate vibration isolation for normal
installations. Where required by building codes or
special isolation needs, generator sets may be
mounted on rubber pads or mechanical spring isola-
tors. The use of unapproved isolators may result in
harmful resonances and may void the genset war-
ranty.
Mount the generator set on a substantial and level
base such as a concrete pad. A non-combustible
material must be used for the pad.
Use 16 mm or (5/8) inch anchored mounting bolts to
secure the generator set skid to the floor to prevent
movement.
3.1.3 Access To Set
Generally, at least 1 meter (3 ft) of clearance should
be provided on all sides of the generator set for main-
tenance and service access. (Increase clearance by
width of door if optional housing is used.) A raised
foundation or slab of 150 mm (6 in) or more above
floor level will make servicing easier.
Lighting should be adequate for operation, mainte-
nance and service operations and should be con-
nected on the load side of the transfer switch so that
it is available at all times.
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