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20 Generac
®
Power Systems, Inc.
5.1 PURPOSE AND SCOPE OF THE
INSTALLATION INSTRUCTIONS
These Installation Instructions have been prepared
especially for the purpose of familiarizing installers
and owners of the applicable equipment with the
product's installation requirements. Give serious
consideration to all information and instructions in
the manual, both for safety and for continued reliable
operation of the equipment.
Because of the different recreational vehicle models
and the variations between the models, it would be
extremely difficult, if not impractical, to provide
detailed instructions for every possible installation.
For that reason, instructions and illustrations in this
manual are general in nature. Illustrations are not
intended to serve as detailed installation blueprints.
The installation should comply strictly with all
applicable codes, standards and regulations pertain-
ing to the installation and use of this product. If any
portion of this manual appears to be in conflict with
such codes, standards or regulations, the applicable
codes, standards or regulations must take prece-
dence over the manual.
5.2 SAFETY
Before handling, installing, operating or servicing this
equipment, carefully read the “Notice to Installer”
and “Safety Rules” on pages 18 and 19. Comply with
all safety rules to prevent death, personal injury or
damage to equipment and/or property. Stress safety
to all installers, operators and service technicians
who work on this equipment.
5.3 STANDARDS BOOKLETS
Installation, use and servicing of this equipment
should comply strictly with published standards, as
well as the manufacturer's recommendations. The
following standards booklets (latest revision) are
available from the sources indicated:
1. NFPA Standard 501C, “Standard for Recreational
Vehicles,” available from the National Fire
Protection Association, Batterymarch Park,
Quincy, MA 02269.
2. NFPA 70, “NFPA Handbook of the National
Electric Code,” available same as Item 1.
3. ANSI C1-1975 and ANSI 119.2-1975, available
from the American National Standards Institute,
1430 Broadway, New York, NY 10018.
4. ANSI A119.2/NFPA 501C, available from the
Recreational Vehicle Association, 1896 Preston
White Drive, Reston, VA 22090.
5. California Administrative Code, Title 25, avail-
able from the State of California, Documents
Section, P.O. Box 1015, North Highlands, CA
95660.
6. CSA Electrical Bulletin 946, available from the
Canadian Standards Association, Housing and
Constructions Materials Section, 178 Rexdale
Boulevard, Rexdale, Ontario, Canada, M9W 1R3.
5.4 EQUIPMENT DESCRIPTION
Instructions and information in this section pertain
to Generac air-cooled generators. These generators
are designed specifically for installing in recreational
vehicles. They operate 120-volt, single-phase, 60-
Hertz, AC electrical loads.
5.5 GENERATOR ENGINE
OPERATING SPEED
The generator’s revolving field (rotor) is driven by a
two-cylinder, four-cycle engine through a pulley and
drive belt arrangement. The generator supplies 120
volts AC at 60 Hertz when the rotor is operating at
3,600 rpm.The drive belt arrangement allows the
engine to operate at a lower speed than the rotor.
5.6 GENERATOR AC
CONNECTION SYSTEM
These air-cooled generator sets are equipped with dual
stator AC power windings. These two stator windings
supply electrical power to customer electrical loads by
means of a dual 2-wire connection system.
Generators may be installed to provide the following
outputs:
1) 120 VAC loads only — one load with a maximum
total wattage requirement equal to the generator’s
rated power output (in watts), and 120V across the
generator output terminals. (See Fig. 5.1 below)
2) 120/240 VAC loads — one load with a maximum
total wattage requirement equal to the generator’s
rated power output, and 240 V across the generator
output terminals; or two seperate loads, each with a
maximum total wattage requirement equal to half of
the generator’s rated power output (in watts), and
120 V across the generator output terminals. (See Fig.
5.3 on page 22.)
Figure 5.1 – Connection for 120 Volts Only
Section 5 – General Information
QUIETPACT 55, 65, and 75 Recreational Vehicle Generators