SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe
operation be copied and posted in potential hazard areas. Safety should be stressed to all
operators, potential operators, and service and repair technicians for this equipment.
SAVE THESE INSTRUCTIONS – This manual contains important instructions that should be
followed during installation and maintenance of the generator and batteries.
The engine exhaust from this product
contains chemicals known to the state
of California to cause cancer, birth
defects or other reproductive harm.
This product contains or emits chemicals
known to the state of California to cause
cancer, birth defects or other reproductive harm.
Study these SAFETY RULES carefully before installing,
operating or servicing this equipment. Become familiar
with this Owner's Manual and with the unit. The
generator can operate safely, efficiently and reliably only if
it is properly installed, operated and maintained. Many
accidents are caused by failing to follow simple and
fundamental rules or precautions.
Generac cannot possibly anticipate every possible
circumstance that might involve a hazard. The warning
in this manual, and on tags and decals affixed to the
unit are, therefore, not all-inclusive. If using a
procedure, work method or operating technique that
Generac does not specifically recommend, satisfy
yourself that it is safe for others. Also make sure the
procedure, work method or operating technique chosen
does not render the generator unsafe.
Despite the safe design of this generator,
operating this equipment imprudently, neglecting
its maintenance or being careless can cause
possible injury or death. Permit only responsible
and capable persons to install, operate or
maintain this equipment.
Potentially lethal voltages are generated by these
machines. Ensure all steps are taken to render the
machine safe before attempting to work on the
Parts of the generator are rotating and/or hot
during operation. Exercise care near running
Power Systems, Inc.
IMPORTANT SAFETY INSTRUCTIONS
Guardian Liquid-cooled 15 kW, 20 kW and 25 kW Generators
• For safety reasons, Generac recommends that this
equipment be installed, serviced and repaired by a
competent, qualified electrician or installation
technician who is familiar with applicable codes,
standards and regulations. The operator also must
comply with all such codes, standards and regulations.
• Installation, operation, servicing and repair of this
(and related) equipment must always comply with
applicable codes, standards, laws and regulations.
Adhere strictly to local, state and national electrical
and building codes. Comply with regulations the
Occupational Safety and Health Administration
(OSHA) has established. Also, ensure that the
generator is installed, operated and serviced in
accordance with the manufacturer's instructions and
recommendations. Following installation, do nothing
noncompliance with the aforementioned codes,
standards, laws and regulations.
• The engine exhaust fumes contain carbon monoxide
gas, which can be DEADLY. This dangerous gas, if
breathed in sufficient concentrations, can cause
unconsciousness or even death. For that reason,
adequate ventilation must be provided. Exhaust
gases must be piped safely away from any building
near the generator to an area where people, animals,
etc., will not be harmed. This exhaust system is
designed to comply with applicable codes and
• Keep hands, feet, clothing, etc., away from drive belts,
fans, and other moving or hot parts. Never remove
any drive belt or fan guard while the unit is operating.
ventilating air is critical to prevent buildup of
explosive gases and to ensure correct generator
operation. Do not alter the installation or permit even
partial blockage of ventilation provisions, as this can
seriously affect safe operation of the generator.
• Keep the area around the generator clean and
uncluttered. Remove any materials that could
• When working on this equipment, remain alert at all
times. Never work on the equipment when physically
or mentally fatigued.
• Inspect the generator regularly, and promptly repair
or replace all worn, damaged or defective parts using
only factory-approved parts.