Generac Power Systems Automatic Standby Generator, 8 kW, 11 kW, 16 kW, 20 kW Owner's Manual
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Owner’s Manual
Automatic Standby Generator
Reference all appropriate documentation.
This manual should remain with the unit.
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NOT INTENDED FOR USE IN CRITICAL LIFE SUPPORT APPLICATIONS.
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ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT
INSTALLATION.
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DEADLY EXHAUST FUMES! OUTDOOR INSTALLATION ONLY!
LISTED
C
US
8 kW to 22 kW
To locate in Spanish, go to http://www.generac.com/service‐support/product‐support‐lookup
To locate in French, go to http://www.generac.com/service‐support/product‐support‐lookup
WARNING!
California Proposition 65
Engine exhaust and some of its constituents are known to the state of California to cause cancer,
birth defects, and other reproductive harm.
WARNING!
California Proposition 65
This product contains or emits chemicals known to the state of California to cause cancer,
birth defects, and other reproductive harm.
Use this page to record important information about your generator set.
Record the information found on your unit data label on this page. For the location of
the unit data label, see Section 2 General Information. The unit has a label plate
affixed to the inside partition, to the left of the control panel console as shown in Figures 2-1, 2-2, and 2-3. For directions on how to open the top lid and remove the front
panel, see Section 3 Operation. The Unit Identification label provides the following
information:
• Model Number
• Serial Number
• Control Panel Part Number
• Voltage Rating of the unit
• Maximum Current Rating of the unit (AMPS)
When contacting an independent Authorized Service Dealer about parts and service,
always supply the complete model number and serial number of the unit.
Operation and Maintenance: Proper maintenance and care of the generator
ensures a minimum number of problems and keeps operating expenses at a minimum. It is the operator’s responsibility to perform all safety checks, to make sure that
all maintenance for safe operation is performed promptly , and to have the equipment
checked periodically by an independent Authorized Service Dealer. Normal maintenance, service and replacement of parts are the responsibility of the owner/operator
and, as such, are not considered defects in materials or workmanship within the
terms of the warranty. Individual operating habits and usage may contribute to the
need for additional maintenance or service.
When the generator requires servicing or repairs, contact an independent Authorized
Service Dealer for assistance. Authorized service technicians are factory-trained and
are capable of handling all service needs.
To find your Local Independent AUTHORIZED SERVICE DEALER
INDEPENDENT AUTHORIZED
SERVICE
DEALER LOCATION
To locate the nearest INDEPENDENT
AUTHORIZED SERVICE DEALER, please
call this number:
1-800-333-1322
or, visit the dealer locator at:
www.generac.com/Service/Dealer Locator/
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Table of Contents
Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Section 1 — Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 — General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 — General Safety Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 — Exhaust Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4 — Electrical Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.5 — Fire Hazards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.6 — Explosion Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Section 2 — General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 — The Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 — Protection Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 — Emission Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 — Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.5 — Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Section 3 — Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.1 — Control Panel Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2 — Using the Auto/Off/Manual Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 — Interface Menu Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4 — Automatic Transfer Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5 — Turning the Generator Off When Operating Under Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.6 — Manual Transfer Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.7 — Side Compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.8 — Battery Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.9 — Setting the Exercise Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Section 4 — Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1 — Performing Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.2 — Service Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.3 — Checking Engine Oil Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.4 — Changing the Engine Air Cleaner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.5 — Spark Plugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.6 — Valve Lash Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.7 — Battery Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.8 — Attention After Submersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.9 — Corrosion Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.10 — Out of Service Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Section 5 — Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Section 6 — Quick Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
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FREQUENTLYASKEDQUESTIONS
ThislistofFrequentlyAskedQuestions(FAQs)arethefrequentlyaskedquestions
thatpertaintoALLHomeStandbymodels.
Somequestionsmaynotbeapplicabletothemodel(s)coveredinthispublication.
PleasereviewtheSafetySectionofyourproduct’sOwnersorInstallationManualbeforeoperatingyourHome
StandbyGenerator.
INSTALLATION
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What are the installation clearance requirements for standby generators?
All standby generator clearance requirements are dictated by the National Fire Protection Association
(NFPA) code 37. See detailed instructions in your Manual for clearance requirements.
How do I activate my home standby generator?
Products with a digital control panel require an activation code before the unit can be operated in the automatic mode. (The unit will only run in the manual mode if not activate). To get an activation code, register the
product on either generac.com or activategen.com. The confirmation page (last page of the registration) will
show the five-digit activation code at the top of the screen. For any questions or issues, calls can be transferred to our activation line (888) 922-8482.
How do I size the correct gas line for my home standby generator installation?
Generac is not able to size the gas line for you. However, Generac is able to give the fuel consumption and
required water column which will help the gas installers to provide the correct size needed for installation.
These are unique to each model. Consult your owner’s manual for details. Because there are so many factors that can affect gas pressure, such as having the line that is not dedicated and the distance that the line
is run, your installation will require an on-site inspection and recommendation by a gas professional.
How do I set the exercise time?
For all units, 6 kW and 8 – 22 kW, the exercise time can be set from the control board on the “edit” screen.
Simply select the date and time using the up and down arrow keys. The generator time and exercise time
are in military time, so if you would like the generator to exercise at 1 PM, set the exercise time for 1300
hours. Exercise time options can be set for bi-weekly and monthly exercise.
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How do I calculate fuel consumption conversion?
To size a gas line for a generator, most gas companies/ plumbers will need two pieces of information – water
column and BTUs. All water column/ fuel pressure and BTU information is available in your owner’s manual.
TROUBLESHOOTING
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What is the best way to troubleshoot my home standby generator?
We are limited as to the troubleshooting we are able to do without potentially damaging the product or voiding the warranty of the product (if applicable). Contact your dealer for service if issues persist.
How do I find an authorized service dealer?
Authorized service dealers can be located on our website at www.generac.com.
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MAINTENANCE&OILINFORMATION
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Can I perform maintenance myself?
Always check your owner’s manual to confirm specific maintenance intervals for your particular model. Anyone can perform maintenance, but we recommend a sale or service dealer, as some aspects are very technical. Dealers can also make sure everything else is in order. Most units with an OHVI engine will require
maintenance every two years or after 200 hours of use.
Are there maintenance kits available for my home standby generator?
Maintenance kits and parts can be purchased from any sales or service dealer, through our part distributors
(GPCs) or online at ordertree.com. Only Generac-brand maintenance parts should be used. We don’t recommend and don’t have cross-reference numbers for other brands like Fram or Napa.
What kind of oil and coolant do I need to use?
Air-cooled units will come with some SAE 30 wt. oil from the factory. You will want to check the level and add
more if necessary during the installation. Liquid-cooled units are shipped with oil and coolant. No additional
oil needs to be added during installation.
What is the recommended oil to use?
Always check the manual for each specific model as oil recommendations change depending on the model.
Our oil recommendations are based on climate or temperature. Cold weather kits are required when the
ambient temperature falls below 32 degrees F. These kits include the recommended synthetic oil.
Why use synthetic oil?
Oil recommendations are based on temperature, but synthetic oil is a good option because it doesn’t
degrade or “sludge” like standard oil. It also has better lubrication properties and stands up better to high
temperatures in the engine.
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What is the break-in period for my home standby generator?
Current model air-cooled units do not require a break-in period. They can be switched to synthetic or any
weight oil immediately. Please check your owner’s manual to see if this was required for the particular unit.
OPERATION
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How do I open an air-cooled standby generator?
Air-cooled home standby generators manufactured in 2008 or later require a key to unlock its two locks
before opening the lid. The unit is locked when shipped. To open the lid for the first time, the customer may
need to apply heavy pressure on the lid above each lock while turning the key at the same time.
How long can I continuously operate my home standby generator?
During an outage, we recommend the generator be shut down every 24 hours to inspect the air filter and oil
level. Let the engine cool for approximately 15 minutes to get an accurate reading on the dipstick. A complete oil change will need to be performed after every 200 hours of operation for air-cooled units, or every
100 hours of operation for liquid-cooled units.
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GENERAL
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Are extended warranties available?
Extended limited warranties are available for our home standby and commercial generators. (This does not
include the CorePower™ Series, EcoGen, portables or power washers. It must be purchase from an authorized sales/ service dealer within the first year of ownership. Talk with your dealer for more details.
What constitutes a voided warranty?
The following are examples of installations that will void the warranty on an automatic standby generator:
Generators used where no utility power is present (ie. Hunting cabins) Generators used to charge back-up
battery systems for alternative energy sourced (This does not include the EcoGen Series) Improper installations (clearance requirements, wiring, etc.) Modifications to the original design (extending the exhaust,
indoor installations, etc.)
If I have my contractor replace a part, how will they get reimbursed?
Any service work performed by someone Generac has not authorized to perform warranty work cannot be
claimed and will not be covered under warranty. This includes any repair work performed by an electrical
contractor who is not affiliated with a service dealership. Regular maintenance, such as changing the oil and
filter, can be done by anyone and is not covered under warranty.
What is an automatic standby generator?
An automatic standby generator is a back-up electrical system that operates whether you are home or away.
Within seconds of an outage, it automatically supplies power directly to your home’s electrical circuit breaker
box. It operates on natural gas or liquid propane gas and sits outside, just like a central air conditioning unit.
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Section 1 Safety
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INTRODUCTION: Thank you for purchasing this compact, high performance, air-cooled, engine-driven stationary automatic standby generator
set. Every effort was made to make sure that the information and instructions in this manual were both accurate and current at the time the manual was written. However, the manufacturer reserves the right to change, alter or otherwise improve this product or manual at any time without
prior notice.
This generator is designed to automatically supply electrical power to operate critical loads during a utility power failure. This unit is factory
installed in an all-weather metal enclosure and is intended exclusively for outdoor installation. This generator will operate using either vapor
withdrawn liquid propane (LP) or natural gas (NG).
NOTE: When properly sized, this generator is suitable for supplying typical residential loads such as Induction Motors (sump pumps,
refrigerators, air conditioners, furnaces, etc.), Electronic Components (computer, monitor, TV, etc.), Lighting Loads and Microwaves.
READ THIS MANUAL THOROUGHL Y:
mends that the operator read and thoroughly understand the instructions and contents of this owner’s manual before attempting to use the equipment. If any portion of this publication is not understood, contact the nearest Authorized Service Dealer for starting, operating and servicing
procedures.
SAVE THESE INSTRUCTIONS: The manufacturer suggests that this manual and the rules for safe operation be copied and posted near the
unit’s installation site. Safety should be stressed to all operators and potential operators of this equipment.
SAFETY: Throughout this manual, and on tags and decals affixed to the unit, DANGER, WARNING, CAUTION and NOTE blocks are used to
alert personnel to special instructions about a particular operation, function or service that may be hazardous if performed incorrectly or carelessly. Observe them carefully. Their definitions are as follows:
INDICATES A HAZARDOUS SITUATION OR ACTION WHICH, IF NOT AVOIDED, WILL RESULT IN DEATH OR SERIOUS
Indicates a hazardous situation or action which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
NOTE: Notes contain additional information important to an operation or procedure.
Four commonly used safety symbols accompany the DANGER, WARNING and CAUTION blocks. The type of information each indicates is as
follows:
This symbol points out important Safety Information that, if not followed, could endanger personal safety and/or
property of others.
The operator is responsible for proper and safe use of this equipment. The manufacturer strongly recom-
INJURY.
This symbol points out a potential Explosion Hazard.
This symbol points out a potential Fire Hazard.
This symbol points out a potential Electrical Shock Hazard.
These “Safety Alerts” cannot eliminate the hazards that they signal. Strict compliance with these special instructions, plus common sense are
major accident prevention measures.
Automatic Standby Generator Owner’s Manual 1
1.1 — General Safety
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Study these safety rules carefully before operating or servicing this equipment. Become familiar with this Owner’s Manual and with the unit. The
generator can operate safely, ef ficiently 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.
The manufacturer cannot anticipate every possible circumstance that might involve a hazard. The warnings 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 the manufacturer does not
specifically recommend, ensure that it is safe for personnel. Also make sure the procedure, work method or operating technique utilized 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
and maintain this equipment.
Potentially lethal voltages are generated by these machines. Ensure steps are taken to make the machine safe
before attempting to work on the generator.
Parts of the generator are rotating and/or hot during operation. Exercise care near a running generator.
The installation of this generator must always comply with applicable codes, standards, laws and regulations.
A running generator gives off DEADLY carbon monoxide, an odorless, colorless, poisonous gas. Breathing carbon
monoxide can cause dizziness, throbbing temples, nausea, muscular twitching, headache, vomiting, weakness,
sleepiness, inability to think clearly, fainting, unconsciousness or even death.
The control panel for this unit is intended to be operated by qualified service personnel only.
1.2 — General Safety Hazards
• For safety reasons, this equipment should only be installed, serviced and repaired by a Service Dealer or other competent, qualified electrician or installation technician who is familiar with applicable codes, standards, regulations and product Installation Manual guidelines. The
operator also must comply with all such codes, standards, regulations and product Installation Manual guidelines.
• The engine exhaust fumes contain carbon monoxide, which can be DEADLY. This dangerous gas, if breathed in sufficient concentrations, can
cause unconsciousness or even death. DO NOT alter or add to the exhaust system or do anything that might render the system unsafe or in
noncompliance with applicable codes and standards.
• Install a carbon monoxide alarm indoors, according to manufacturer’s instructions/recommendations.
• Adequate, unobstructed flow of cooling and ventilating air is critical for 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. The generator MUST be installed and
operated outdoors only.
• 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.
• 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 contact the nearest Dealer for parts needing repair or replacement.
• Before performing any maintenance on the generator, remove the control panel fuse and disconnect the Negative (—) battery cable to prevent accidental startup. When disconnecting battery cables always remove the NEGATIVE (NEG or “—”) cable first, then remove the
POSITVE (POS, or “+”) cable. When reconnecting the cables, connect the POSITIVE cable first, and the NEGATIVE cable last.
• Never use the generator or any of its parts as a step. Stepping on the unit can stress and break parts, and may result in dangerous operating
conditions from leaking exhaust gases, fuel leakage, oil leakage, etc.
2 Automatic Standby Generator Owner’s Manual
1.3 — Exhaust Hazards
• Generator engine exhaust contains DEADLY carbon monoxide, an odorless, colorless, poisonous gas. Breathing carbon monoxide can
cause dizziness, throbbing temples, nausea, muscular twitching, headache, vomiting, weakness, sleepiness, inability to think clearly , fainting,
unconsciousness or even death. If any carbon monoxide poisoning symptom is experienced, move into fresh air and immediately seek medical attention.
• This generator is designed for OUTDOOR installation ONLY. Never operate the generator inside any garage or other enclosed space.
1.4 — Electrical Hazards
• All generators covered by this manual produce dangerous electrical voltages that can cause fatal electrical shock. Utility power delivers
extremely high and dangerous voltages to the transfer switch, as does the standby generator when it is in operation. Avoid contact with bare
wires, terminals, connections, etc. while the unit is running. Ensure all appropriate covers, guards and barriers are in place, secured and/or
locked before operating the generator. If work must be done around an operating unit, stand on an insulated, dry surface to reduce potential
shock hazard.
• Do not handle any kind of electrical device while standing in water, while barefoot, or while hands or feet are wet. DANGEROUS ELECTRICAL SHOCK MAY RESULT.
• This is an Automatic Standby Generator, the generator may crank and start at any time when utility is lost. When this occurs, load circuits are
transferred to the STANDBY (generator) power source. To prevent injury, before working on this generator (for inspection, service or maintenance), always put the generator into the OFF mode and remove the 7.5 Amp fuse from the generator control panel.
• In case of accident caused by electric shock, immediately shut down the source of electrical power. If this is not possible, attempt to free the
victim from the live conductor. AVOID DIRECT CONTACT WITH THE VICTIM. Use a nonconducting implement, such as a dry rope or board,
to free the victim from the live conductor. If the victim is unconscious, apply first aid and get immediate medical help.
• Never wear jewelry when working on this equipment. Jewelry can conduct electricity resulting in electric shock, or may get caught in moving
components resulting in injury.
1.5 — Fire Hazards
• For fire safety, the generator must be installed and maintained properly. Installation MUST always comply with applicable codes, standards,
laws, regulations and product Installation Manual guidelines. 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 in
accordance with the manufacturer’s instructions and recommendations. Following proper installation, do nothing that might alter a safe installation and render the unit in noncompliance with the aforementioned codes, standards, laws and regulations.
• Keep a fire extinguisher near the generator at all times. Extinguishers rated “ABC” by the National Fire Protection Association are appropriate
for use on the standby generator. Keep the extinguisher properly charged and be familiar with its use. Consult the local fire department with
any questions pertaining to fire extinguishers.
1.6 — Explosion Hazards
• Do not smoke around the generator. Wipe up any fuel or oil spills immediately. Ensure that no combustible materials are left in the generator
compartment, or on or near the generator as FIRE or EXPLOSION may result. Keep the area surrounding the generator clean and free from
debris.
• Gaseous fluids such as natural gas and liquid propane (LP) gas are extremely EXPLOSIVE. Install the fuel supply system according to applicable fuel-gas codes. Before placing the home standby electric system into service, fuel system lines must be properly purged and leak
tested according to applicable code. After installation, inspect the fuel system periodically for leaks. No leakage can be permitted.
Automatic Standby Generator Owner’s Manual 3
If this generator is used to power electrical load circuits normally powered by a utility power source, it is
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required by code to install a transfer switch. The transfer switch must effectively isolate the electrical system
from the utility distribution system when the generator is operating (NEC 702). Failure to isolate an electrical
system by such means will result in damage to the generator and also may result in injury or death to utility
power workers due to backfeed of electrical energy.
4 Automatic Standby Generator Owner’s Manual
Section 2 General Information
EXHAUST
NCLOSURE
COMPOSITE BASE
OIL FILL CAP
BATTERY COMPARTMEN
FUEL
REGULATOR
CIRCUIT
BREAKERS
FUEL INLET
(BACK)
CONTROL
PANEL
OIL
DIPSTICK
AIR FILTER
DATA LABEL
(SEE SAMPLE)
EXHAUST
ENCLOSURE
COMPOSITE BASE
OIL FILTER
OIL FILL CAP
BATTERY COMPARTMENT
FUEL
REGULATOR
CIRCUIT
BREAKERS
FUEL
INLET
(BACK)
CONTROL
PANEL
OIL
DIPSTICK
AIR FILTER
DATA LABEL
(SEE SAMPLE)
2.1 — The Generator
E
OIL FILTER
Figure 2-1: GH-410 Engine 8 kW Unit
Figure 2-2: GH-530 Engine 11 kW Unit
T
Automatic Standby Generator Owner’s Manual 5
Figure 2-3: GT-990/GT-999 Engines, 16-22 kW Units
EXHAUST
ENCLOSURE
COMPOSITE BASE
OIL FILTER
OIL FILL CAP
BATTERY COMPARTMENT
FUEL
REGULATOR
CIRCUIT
BREAKERS
FUEL
INLET
(BACK)
CONTROL
PANEL
OIL
DIPSTICK
AIR FILTER
DATA LABEL
(SEE SAMPLE)
2.2 — Protection Systems
The generator may have to run for long periods of time with no operator present to monitor the engine/generator conditions. Therefore, the generator is equipped with a number of systems to automatically shut down the unit to protect it against potentially damaging conditions. Some of
these systems are as follows
Alarms:
• High Temperature
• Low Oil Pressure
• Overcrank
• Overspeed
• Underspeed
Warnings:
• Charger Warning
• Charger Missing AC
• Low Battery
• Exercise Set Error
• USB Warning
• Download Failure
The control panel contains a display which alerts the operator when a fault condition occurs. The above list is not all inclusive. For more information about alarms and control panel operation, see Section 3 Operation.
NOTE: A warning will indicate a condition, on the generator, that should be addressed but not shut the generator down. Am alarm will shut the generator down to protect the system from any damage. In the event of an
alarm, an owner can clear the alarm and restart the generator prior to contacting their independent servicing
dealer. If the intermittent issue occurs again, contact your independent servicing dealer.
• RPM Sensor Loss
• Controller Fault
• Wiring Error
• Overvoltage
• Undervoltage
• Fuse Problem
• Overload
• Stepper Overcurrent
6 Automatic Standby Generator Owner’s Manual
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