Rheem GEN12AD-V User Manual

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Save These Instructions
 WARNING Running engine gives off carbon monoxide, 
an odorless, colorless, poison gas. 
Breathing carbon monoxide could result 
in death, serious injury, headache, fatigue, 
dizziness, vomiting, confusion, seizures, nausea 
or fainting.
t Operate this product ONLY outdoors in an area that will 
not accumulate deadly exhaust gas.
t Keep exhaust gas away from any windows, doors, 
ventilation intakes, soffit vents, crawl spaces, open garage 
doors or other openings that can allow exhaust gas 
to enter inside or be drawn into a potentially occupied 
building or structure.
t Carbon monoxide detector(s) MUST be installed and 
maintained indoors according to the manufacturer’s 
instructions/recommendations. Smoke alarms cannot 
detect carbon monoxide gas.
 WARNING Storage batteries give off explosive 
hydrogen gas during recharging. 
Slightest spark will ignite hydrogen 
and cause explosion, resulting 
in death, serious injury and/or 
property damage. 
Battery electrolyte fluid contains acid and is 
extremely caustic. 
Contact with battery contents could cause severe 
chemical burns. 
A battery presents a risk of electrical shock and high short 
circuit current.
t DO NOT dispose of battery in a fire. Recycle battery.
t DO NOT allow any open flame, spark, heat, or lit cigarette 
during and for several minutes after charging a battery.
t DO NOT open or mutilate the battery.
t Wear protective goggles, rubber apron, rubber boots and 
rubber gloves.
t Remove watches, rings, or other metal objects.
t Use tools having insulated handles.
Important Safety Instructions
SAVE THESE INSTRUCTIONS - This manual contains 
important instructions that should be followed during 
installation and maintenance of the generator and batteries.
Safety Symbols and Meanings
 The safety alert symbol indicates a potential personal 
injury hazard. A signal word (DANGER, WARNING, or 
CAUTION) is used with the alert symbol to designate a 
degree or level of hazard seriousness. A safety symbol 
may be used to represent the type of hazard. The signal 
word NOTICE is used to address practices not related to 
personal injury. 
 DANGER indicates a hazard which, if not avoided, will 
result in death or serious injury.
 WARNING indicates a hazard which, if not avoided, could 
result in death or serious injury.
 CAUTION indicates a hazard which, if not avoided, could 
result in minor or moderate injury.
NOTICE addresses practices not related to personal injury.
The manufacturer cannot possibly anticipate every possible 
circumstance that might involve a hazard. The warnings in 
this manual, and the tags and decals affixed to the unit are, 
therefore, not all-inclusive. If you use a procedure, work 
method or operating technique that the manufacturer does 
not specifically recommend, you must satisfy yourself that 
it is safe for you and others. You must also make sure that 
the procedure, work method or operating technique that you 
choose does not render the generator system unsafe.
Explosion
Fire
Electrical Shock
Rotating Parts
Hot Surface
Toxic Fumes
Chemical Burn
Explosive Pressure
Auto Start
Lift Hazard
Read Manual
 WARNING The engine exhaust from this product 
contains chemicals known to the State of California to 
cause cancer, birth defects, or other reproductive harm.
 WARNING Certain components in this product and 
related accessories contain chemicals known to the State 
of California to cause cancer, birth defects, or other 
reproductive harm. Wash hands after handling.
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