Simplicity 076031-00 Manuel utilisateur

Operator’s Manual

Liquid-Cooled

Home Generator System

2 BRIGGSandSTRATTON.COM

Thank you for purchasing this quality-built Briggs & Stratton home generator. We’re pleased that you’ve placed your

confidence in the Briggs & Stratton brand. When operated and maintained according to the instructions in this manual, your

home generator will provide many years of dependable service.

This manual contains safety information to make you aware of the hazards and risks associated with home standby

generators and how to avoid them. Because we do not necessarily know all the applications this equipment could be used

for, it is important that you read and understand these instructions thoroughly before attempting to start or operate this

equipment. Save these original instructions for future reference.

This home generator requires professional installation before use. Refer to the separate installation manual for full

information. Your installer should follow the instructions completely.

Where to Find Us

You never have to look far to find Briggs & Stratton support and service for your generator. Consult your Yellow Pages. There

are thousands of Briggs & Stratton authorized service dealers worldwide who provide quality service. You can also contact

Technical Service by phone at 800743-4115, or click on Find a Dealer at BRIGGSandSTRATTON.COM, which provides a list of

authorized dealers.

Generator and engine model and serial numbers should be recorded in the installation manual.

Briggs & Stratton Power Products Group, LLC

P.O. Box 702

Milwaukee, WI 53201-0702

may be reproduced or transmitted in any form without the express

written permission of Briggs & Stratton Power Products Group, LLC.

3

Table of Contents

Important Safety Instructions........................4

Installation ....................................7

For the Installing Dealer/Contractor: ..............................7

Owner Orientation ............................................7

Fuel Factors .................................................8

Generator Location............................................8

Delivery Inspection............................................9

Controls ..................................... 10

30 kW Home Generator .......................................10

45 kW Home Generator .......................................11

System Control Panel.........................................12

Access Ports ...............................................13

Operation .................................... 14

Automatic Operation .........................................14

Setting Exercise Timer ........................................15

Maintenance .................................. 15

Fault Detection System .......................................15

Generator Maintenance .......................................17

Engine Maintenance..........................................18

Battery ....................................................21

Storage....................................................22

Maintenance Chart.............................. 23

Troubleshooting................................ 24

Warranty..................................... 25

Product Specifications ........................... 28

4 BRIGGSandSTRATTON.COM

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.

Fire

Toxic Fumes

Explosive Pressure

Rotating Fan Blade

Lift Hazard Read Manual

Exploding BatteryRotating Belt/Pulley

Chemical BurnAuto Start

Hot SurfaceRotating Parts

Electrical ShockExplosion

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.

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.

• Operate this product ONLY outdoors.

• Install a battery operated carbon monoxide alarm near

the bedrooms.

• Keep exhaust gas from entering a confined area through

windows, doors, ventilation intakes, or other openings.

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.

• DO NOT dispose of battery in a fire. Recycle battery.

• DO NOT allow any open flame, spark, heat, or lit cigarette

during and for several minutes after charging a battery.

• DO NOT open or mutilate the battery.

• Wear protective goggles, rubber apron, rubber boots and

rubber gloves.

• Remove watches, rings, or other metal objects.

• Use tools having insulated handles.

5

WARNING Generator produces hazardous voltage.

Failure to properly ground generator could result

inelectrocution.

Failure to isolate generator from utility power could

result in death or serious injury to electric utility

workers due to backfeed of electrical energy.

• When using generator for backup power, notify

utility company.

• DO NOT touch bare wires or bare receptacles.

• DO NOT use generator with electrical cords which are

worn, frayed, bare or otherwise damaged.

• DO NOT handle generator or electrical cords while

standing in water, while barefoot, or while hands or

feet are wet.

• If you must work around a unit while it is operating,

stand on an insulated dry surface to reduce the risk of

a shock hazard.

• DO NOT allow unqualified persons or children to operate

or service generator.

• In case of an accident caused by electrical shock,

immediately shut down the source of electrical power and

contact the local authorities. Avoid direct contact with

the victim.

• Despite the safe design of the residential generator,

operating this equipment imprudently, neglecting its

maintenance or being careless could cause possible

injury or death.

• Remain alert at all times while working on this equipment.

Never work on the equipment when you are physically

or mentally fatigued.

• Before performing any maintenance on the generator,

disconnect the battery cable indicated by a NEGATIVE,

NEG or (-) first. When finished, reconnect that cable last.

• After your system is installed, the generator may crank

and start without warning any time there is a power

failure. To prevent possible injury, always set the

generator’s system switch to OFF, remove the service

disconnect from the disconnect box AND remove the

15 Amp fuse BEFORE working on the equipment.

WARNING Hazardous Voltage - Contact with power

lines could cause electric shock or burns,

resulting in death or serious injury.

Lifting Hazard / Heavy Object - Could result

in serious injury.

• If lifting or hoisting equipment is used, DO NOT contact

any power lines.

• DO NOT lift or move generator without assistance.

• DO NOT lift unit by roof as damage to generator

will occur.

WARNING Propane and Natural Gas are extremely

flammable and explosive, which could cause

burns, fire or explosion resulting in death,

serious injury and/or property damage.

• Install the fuel supply system according to NFPA 37 and

other applicable fuel-gas codes.

• Before placing the generator into service, the fuel system

lines must be properly purged and leak tested.

• After the generator is installed, you should inspect the fuel

system periodically.

• NO leakage is permitted.

• DO NOT operate engine if smell of fuel is present or other

explosive conditions exist.

• DO NOT smoke around the generator. Wipe up any oil

spills immediately. Ensure that no combustible materials

are left in the generator compartment. Keep the area near

the generator clean and free of debris.

WARNING

Exhaust heat/gases could ignite combustibles

or structures resulting in death, serious

injury and/or property damage.

Contact with muffler area could cause

burns resulting in serious injury.

• DO NOT touch hot parts and AVOID hot exhaust gases.

• Allow equipment to cool before touching.

• DO NOT install the generator closer than 5 feet (1.5m)

from any combustibles or structures with combustible

walls having a fire resistance rating of less than 1 hour.

• Keep at least minimum distances shown in General

Location Guidelines to insure for proper generator cooling

and maintenance clearances.

• It is a violation of California Public Resource Code,

Section 4442, to use or operate the engine on any forest-

covered, brush-covered, or grass-covered land unless

the exhaust system is equipped with a spark arrester, as

defined in Section 4442, maintained in effective working

order. Other states or federal jurisdictions may have

similar laws.

Contact the original equipment manufacturer, retailer, or

dealer to obtain a spark arrester designed for the exhaust

system installed on this engine.

• Replacement parts must be the same and installed in the

same position as the original parts.

6 BRIGGSandSTRATTON.COM

WARNING Moving parts could crush and cut.

Starter and other rotating parts could

entangle hands, hair, clothing, or

accessories resulting in serious injury.

• NEVER operate generator without protective housings,

covers, or guards in place.

• DO NOT wear loose clothing, jewelry or anything that

could be caught in the starter or other rotating parts.

• Tie up long hair and remove jewelry.

• Before servicing, remove 15 Amp fuse from control panel

and disconnect Negative (NEG or -) battery cable.

WARNING Hot pressurized coolant could cause serious

injury and/or property damage.

• DO NOT open radiator cap when hot.

• Before servicing, allow coolant to cool.

CAUTION Installing the 15A fuse could cause the

engine to start at any time without warning

resulting in minor or moderate injury.

• Observe that the 15 Amp fuse has been removed from the

control panel for shipping.

• DO NOT install this fuse until all plumbing and wiring has

been completed and inspected.

CAUTION Excessively high operating speeds could

result in minor injury and/or equipment damage.

Excessively low speeds impose a heavy load on generator.

• DO NOT tamper with governed speed. Generator supplies

correct rated frequency and voltage when running at

governed speed.

• DO NOT modify generator in any way.

NOTICE Exceeding generators wattage/amperage

capacity could damage generator and/or electrical devices

connected to it.

• Start generator and let engine stabilize before connecting

electrical loads.

NOTICE Improper treatment of generator could damage it

and shorten its life.

• Use generator only for intended uses.

• If you have questions about intended use, contact your

authorized dealer.

• Operate generator only on level surfaces.

• Adequate, unobstructed flow of cooling and ventilating air

is critical to correct generator operation.

• The access panels/doors must be installed whenever the

unit is running.

• DO NOT expose generator to excessive moisture, dust,

dirt, or corrosive vapors.

• Remain alert at all times while working on this equipment.

Never work on the equipment when you are physically

or mentally fatigued.

• DO NOT start engine with air cleaner or air cleaner

cover removed.

• DO NOT insert any objects through cooling slots.

• DO NOT use the generator or any of its parts as a step.

Stepping on the unit could cause stress and break parts.

This may result in dangerous operating conditions from

leaking exhaust gases, fuel leakage, oil leakage, etc.

• If connected devices overheat, turn them off and

disconnect them from generator.

• Shut off generator if

- electrical output is lost;

- equipment sparks, smokes, or emits flames;

- unit vibrates excessively.

7

Installation

We sincerely appreciate your patronage. For this reason, we

have made every effort to provide for a safe, streamlined

and cost-effective installation. Because each installation is

unique, it is impossible to know of and advise the trade of all

conceivable procedures and methods by which installation

might be achieved. Neither could we know of possible

hazards and/or the results of each method or procedure.

For these reasons, only current licensed electrical and

plumbing professionals should attempt home generator

system installations. Installations must strictly comply with

all applicable codes, industry standards andregulations.

Your home generator is supplied with this “Operator’s

Manual” and a separate “Installation Manual”. These are

important documents and should be retained by the owner

after the installation has been completed.

For the Home Owner:

To help you make informed choices and communicate

effectively with your installation contractor(s), read and

understand Owner Orientation in this manual before

contracting or starting your home generatorinstallation.

To arrange for proper installation, contact the store at which

you purchased your home generator, your dealer, a licensed

electrician or your utility power provider.

The home generator warranty is VOID unless the system is

installed by licensed electrical and plumbingprofessionals.

Every effort has been made to ensure that information in this

manual is accurate and current. However, we reserve the

right to change, alter, or otherwise improve the product and

this document at any time without prior notice.

The Emission Control System for this generator is warranted

for standards set by the U.S. Environmental Protection

Agency and by the California Air Resources Board (CARB).

For the Installing Dealer/Contractor:

For most applications, the Installation manual contains all the

information required to properly install and start the home

generator. This operator’s manual describes routine operation

and owner maintenanceprocedures.

If you need more information in this matter, please call

800743-4115, between 8:00 AM and 5:00 PM CT.

Owner Orientation

This section provides home generator owners with the

information necessary to achieve the most satisfactory and

cost effective installation possible.

The illustrations are for typical circumstances and are meant

to familiarize you with the installation options available with

your home generator. A thorough understanding of these

options will provide fundamental control over the cost of

your installation, as well as ensure your final satisfaction

andsecurity.

Federal and local codes, appearance, noise levels, fuel types,

and distances are the factors that must be considered when

negotiating with an installation professional. Remember

that as the distance from the existing electrical service and

gaseous fuel supply increases, and the number of 90 degree

bends in the fuel supply increases, compensations in piping

and wiring materials must be made. This is necessary to

comply with local codes and overcome electrical voltage

drops and gaseous fuel pressure drops.

The factors mentioned above will have a direct affect on

the overall price of your home generator installation.

In some areas you may need to acquire electrical permits for

installing the home generator, building permits for installing

gas lines, and permits for noise allowances. Your installer

should check your local codes AND obtain the permits before

installing the system.

8 BRIGGSandSTRATTON.COM

Fuel Factors

An important consideration affecting the entire installation is

the type of fuel used by your home generator. The system

was factory tested and adjusted using either natural gas or

liquid propane (LP vapor). For proper engine function, factors

that are inherent to each of these fuels, your location and

the duration of possible utility interruptions are important

considerations in the following fuel guidelines:

 • Useclean,dryfuel,freeofmoistureorany

particulate material. Using fuels outside the following

recommended values may cause performanceproblems.

 • Inenginessetuptorunonpropane(LP),commercial

grade HD5 propane with a minimum fuel energy of 2500

BTUs/ft3 with maximum propylene content of 5% and

butane and heavier gas content of 2.5% and minimum

propane content of 90%.

Natural gas rating will depend on specific fuel but typical

derates are between 10 to 20% off the LP gas rating.

Power Decrease at High Altitude or High Temperature

Air density is less at high altitudes, resulting in less available

engine power. Specifically, engine power will decrease 3.5%

for each 1,000 feet (300 meters) above sea level and 1% for

each 10° F (5.6°C) above 77°F (25°C). Make sure you and

your installer consider these factors when determining total

generator load.

Generator Location

The actual physical location of your home generator has a

direct affect on:

1. The amount of plumbing required to fuel yourgenerator.

2. The amount of wiring required to control and connect

your generator.

Specific location guidelines are discussed in the installation

manual. Acquaint yourself with that information and confer

with your installer. Be sure to ask how your site might

affect installation costs and compliance with local codes

andstandards.

The generator must be installed outdoors. DO NOT install

generator where exhaust gas could accumulate and enter

inside or be drawn into a potentially occupied building.

Ensure exhaust gas is kept away from any windows, doors,

ventilation intakes or other openings that can allow exhaust

gas to collect in a confined area. Prevailing winds and air

currents should be taken into consideration when positioning

generator. See the installation manual for full details on safe

generator location.

WARNING

Propane and Natural Gas are extremely

flammable and explosive, which could cause

burns, fire or explosion resulting in death,

serious injury and/or property damage.

• The residential generator is equipped with an automatic

safety gas “fuel shut-off” valve.

• DO NOT operate the equipment if the “fuel shut-off” valve

is missing or inoperative.

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.

• Operate this product ONLY outdoors.

• Install a battery operated carbon monoxide alarm near

the bedrooms.

• Keep exhaust gas from entering a confined area through

windows, doors, ventilation intakes, or other openings.

WARNING Exhaust heat/gases could ignite

combustibles or structures resulting in death,

serious injury and/or propertydamage.

• DO NOT install the generator closer than 5 feet (1.5m)

from any combustibles or structures with combustible

walls having a fire resistance rating of less than 1 hour.

9

Delivery Inspection

Carefully inspect the home generator for any damage that

may have occurred during shipment.

If loss or damage is noted at time of delivery, have the

person(s) making delivery note all damage on the freight bill

and affix his signature under the consignor’s memo of loss

or damage. If loss or damage is noted after delivery, separate

the damaged materials and contact the carrier and your

installer for claim procedures. Missing or damaged parts are

not warranted.

The home generator is supplied with:

 • Fully-servicedcoolantsystem

 • Fully-servicedoil/lubricatingsystem

 • Flexiblefuelhook-uphose

 • Installationandstart-upmanual

 • Operator’smanual

 • Spareaccessdoorkeys

 • Spare15Afuse

 • Tenpinconnector

 • Touchuppaint

 • RemoteLEDindicatorkit(LED/plate/screws)

To be supplied by installer:

 • Startingbattery

 • Reinforcedconcretemountingpad

 • Connectingwireandconduit

 • Fuelsupplyvalves/plumbing

 • Variousspecialtytools/equipment

10 BRIGGSandSTRATTON.COM

Controls

30 kW Home Generator

Read this Operator’s Manual and Important Safety Instructions before operating your generator.

Compare the illustrations of this 30kW model with your generator to familiarize yourself with the locations of various

controls and adjustments. Save this manual for future reference.

Generator is pictured with access doors and removed and

screen guard open for clarity

A - Exhaust Port — High-performance muffler lowers engine

noise to comply with most residential codes.

B - Coolant Fill Door — Provides access for servicing engine

with oil and coolant.

C - Air Cleaner — Protects engine by filtering dust and debris

out of intake air.

D - Battery Door opening — Provides access to starting

battery and air cleaner.

E - Engine Label — Located on the ECM bracket, it identifies

engine model and type.

F - Oil Dip Stick — Used to check the engine oil level.

G - Oil Fill Cap — Remove to service the engine with

recommended oil.

H - Screen Guard — Prevents fingers from touching radiator

fan and houses the coolant recovery bottle. Must stay

closed while generator is in use.

J - Coolant Recovery Bottle — Located on inside of screen

guard. Provides visual indicator of engine coolant level.

K - Oil Filter — Filters engine oil to prolong system life.

L - Fuel Inlet — Fuel supply is connected here.

M - Oil Drain Hose — Provided to facilitate oil changing.

N - ID Label (located on base) — Identifies unit by

serial number.

P - Circuit Breaker Enclosure — Equipped with removable

bottom to assist with conduit connection.

R - Control Panel Door opening — Provides access to

control panel, oil filter, etc. (may be two doors)

S - Control Panel — Used for various test, operation and

maintenance functions. See System Control Panel.

A

D

E

F

J

N

R

P L

K

G

C

B

M

H

S

H

11

45 kW Home Generator

Compare the illustrations of this 45kW model with your generator to familiarize yourself with the locations of various controls

and adjustments. Save this manual for future reference.

Generator is pictured with access doors and removed and

screen guard open for clarity

A - Exhaust Port — High-performance muffler lowers engine

noise to comply with most residential codes.

B - Coolant Fill Door — Provides access for servicing engine

with oil and coolant.

C - Air Cleaner — Protects engine by filtering dust and debris

out of intake air.

D - Battery Door opening — Provides access to starting

battery and air cleaner and oil filter.

E - Oil Filter — Filters engine oil to prolong system life.

F - Oil Drain Hose — Provided to facilitate oil changing.

G - Coolant Recovery Bottle — Located on inside of screen

guard. Provides visual indicator of engine coolant level.

H - Screen Guard — Prevents fingers from touching radiator

fan and houses the coolant recovery bottle. Must stay

closed while generator is in use.

J - Engine Label — Located on the ECM bracket, it identifies

engine model and type.

K - Oil Fill Cap — Remove to service the engine with

recommended oil.

L - Control Panel — Used for various test, operation and

maintenance functions. See System Control Panel.

M - Control Panel Door opening — Provides access to

control panel, etc. (may be two doors)

N - Circuit Breaker Enclosure — Equipped with removable

bottom to assist with conduit connection.

P - ID Label (located on base) — Identifies unit by model

and serial number.

R - Oil Dip Stick — Used to check the engine oil level.

S - Fuel Inlet — Fuel supply is connected here.

A

B

C

D

E

F

G

H

J

K

L

M

N

P

R

S

H

12 BRIGGSandSTRATTON.COM

System Control Panel

Compare this control panel illustration with your generator to familiarize yourself with the location of these important controls:

A – Circuit Breaker — Protects the system from shorts and

other over-current conditions. Must be ON to supply

power to the automatic transfer switch.

B – SET EXERCISE — Used to set the exercise cycle start

time. Exercise cycle only occurs in AUTO mode.

C – MANUAL OVER-RIDE — With system switch in AUTO

position, push the manual over-ride button for six

seconds to start the generator. To turn off the generator,

push and hold the manual over-ride button until

engine stops.

D – 15 Amp Fuse — Protects the system DC control circuits.

If the fuse has ‘blown’ (melted open) or was removed,

the engine cannot crank or start. Replace the fuse using

only an identical ATO 15A fuse.

E – System Switch — This two-position switch is the most

important control on the system and is used as follows:

•“AUTO” position is the normal operating position. If a

utility power outage is sensed, the system will start the

generator. When utility power is restored, AUTO lets

the engine stabilize internal temperatures, shuts off the

generator, and waits for the next utility power outage.

•“OFF” position turns off running generator, prevents

unit from starting and resets any detected faults.

F – Digital Display — Displays the total number of hours

the generator has been running, fault codes, and engine

malfunctions related to emission components.

 • Hourmeterisdisplayedasaconstantnumberand

indicates the total hours of operation. Used to schedule

maintenance tasks.

 • Faultconditionsaredisplayedasanalpha-numeric,and

will flash “FC_” followed by a fault code number. Used

for troubleshooting operational problems with the home

generator. All fault conditions are described in Fault

Detection System.

 • Malfunctionsrelatedtoemissioncomponentsare

displayed as “ENG-”. The display will flash hours

and “ENG-” in three second intervals. The engine

will continue to operate, but an authorized service

technician must be notified to diagnose, repair, and

reset the fault condition. Engine malfunctions are

described in Fault Detection System.

A

B

C

D

E

F

13

Access Ports

The home generator is equipped with an enclosure that has

several access doors. The doors are named for a significant

component located behind them, as follows::

A - Fuel Inlet port (shown for reference)

B - Control Panel door

C - Exhaust opening (shown for reference)

D - Coolant Fill door

E - Battery door

F - Muffler door

The enclosure also includes muffler and radiator access

panels, used for cleaning those components. Those panels

should remain closed at all other times to assure proper

cooling, reduce noise, and for added safety.

Each home generator is supplied with a set of identical keys.

These keys fit the locks that secure the access doors.

To open access door:

1. Insert key into lock of access door handle and turn key

one quarter turn counterclockwise.

2. Grasp door’s handle and turn one quarter turn

counterclockwise to open. Remove key.

3. Coolant Fill door is unlocked in the same manner. It can

be used for adding coolant or oil.

To close access door:

1. Close door and turn door’s handle one quarter

turnclockwise.

2. Insert key into lock of door handle and turn key one

quarter turn clockwise. Remove key.

Screen Guard

To gain access to the engine and cooling system

components:

1. Remove two screws (A) and washers at top and bottom

of screen guard.

2. The screen guard will swing open to allow access to the

engine and the cooling system components.

A

WARNING Contact with muffler area could cause burns

resulting in serious injury.

• DO NOT touch hot parts and AVOID hot exhaust gases.

• Allow equipment to cool before touching.

A

B

E

C

D

F

14 BRIGGSandSTRATTON.COM

Operation

Important Owner’s Considerations

Engine Oil

This engine is shipped from the factory pre-run and filled

with non-synthetic oil (API SL 10W-30W). This allows

for system operation in a wide range of temperature and

climate conditions. Before starting the engine, check oil

level and ensure that engine is serviced as described in the

Maintenance section.

Coolant System

This engine is shipped from the factory filled with a

50-50 mix of automotive (ethylene glycol) anti-freeze and

water. This will provide optimum year round protection

against freezing, boiling and corrosion. The coolant system

incorporates an optional water heater that operates when

ambient temperature is below 80ºF AND utility power is

present at the transfer switch. Before starting the engine,

check coolant level as described in the Maintenance section.

Battery

The installer must supply a valve-regulated, rechargeable

12 volt DC starting battery. See Battery in Final Installation

Considerations in the installation manual.

15 Amp Fuse

The generator’s 15 Amp fuse is critical to correct system

operation. The 15 Amp fuse was removed at the factory to

prevent the unit from starting during shipping. Your installer

will ensure the fuse is properly installed upon completion of

the installation.

NOTICE Any attempt to crank or start the engine before

it has been properly serviced with the recommended

coolant or oil will result in equipment failure.

• Refer to the Maintenance section for coolant and oil fill

information.

• Damage to equipment resulting from failure to follow this

instruction will void engine and generator warranty.

WARNING Battery posts, terminals and related

accessories contain lead and lead compounds - chemicals

known to the State of California to cause cancer and

reproductive harm. Wash hands after handling.

Automatic Operation

To select automatic operation, do the following:

1. Confirm 15 Amp fuse is installed in control panel.

2. Set the main distribution panel circuit breaker that

sends utility voltage to the transfer switch to ON.

3. Set the generator’s circuit breaker to its ON position.

4. Set the control panel system switch to AUTO.

Checking Automatic Operation

To check the system for proper automatic operation, proceed

as follows:

1. Turn OFF the service disconnect or main distribution

panel circuit breaker sending power to the automatic

transfer switch.

When utility voltage is lost and the sensor has timed

out, the engine will crank and start. Let the system go

through its entire automatic operation sequence.

2. With the generator output supplying its loads, turn ON

the service disconnect or main distribution panel circuit

breaker that supplies utility power to the automatic

transfer switch.

3. The automatic transfer switch will transfer loads back

to utility power after a 5 minute minimum run time and

utility power is available.

4. The generator will run for an additional one minute for

engine cool down, then shut down.

If utility power is restored and generator does not shut down

after 10 minutes, set system switch to OFF and contact your

installer or local service center.

This completes the test procedures for automatic operation.

The home generator will now start automatically and will

supply power to the transfer switch when utility power islost.

CAUTION Installing the 15A fuse could cause the

engine to start at any time without warning

resulting in minor or moderate injury.

• Observe that the 15 Amp fuse has been removed from the

control panel for shipping.

• DO NOT install this fuse until all plumbing and wiring has

been completed and inspected.

15

Setting Exercise Timer

The home generator is equipped with an exercise timer that

will start and exercise the system once every seven days.

During this exercise period, the unit runs for approximately

20 minutes and then shuts down. Electrical load transfer

DOES NOT occur during the exercise cycle (unless an utility

power outage occurs).

A button on the control panel is labeled “SET EXERCISE”

(see System Control Panel). The specific day and the

specific time of day this button is pressed is programmed

into the control board memory. This date and time is then

used to automatically initiate the system exercise cycle. The

“SETEXERCISE” legend on the control panel will flash until

the set exercise cycle is set.

To perform the Set Exercise procedure:

1. Choose the day and time you want your home generator

to exercise.

2. On that day and time, press and hold “SET EXERCISE”

for three seconds.

The “Set Exercise” display will illuminate then turn off

to confirm that the exercise timer has been set. Then

release the button.

The unit will crank and run the exercise cycle. During

the cycle, “Set Exercise” will illuminate.

Once the exercise cycle is complete, the unit will turn off

and “Set Exercise” will no longer be displayed.

The exercise cycle may be discontinued at anytime by

turning the System Switch to OFF.

3. The unit will then start and run it’s 20 minute

exercisecycle.

For example, if you press SET EXERCISE on Sunday morning

at 10:00 AM, the unit will run an immediate exercise cycle

and an exercise cycle every following Sunday at 10:00 AM

(+/- 1/2 hour).

“Set Exercise” will only work if the unit is in the AUTO mode

and this exact procedure is followed. The exerciser will need

to be re-set if the 15 Amp fuse is removed or changed, or if

the starting battery is disconnected.

If you want to change the day and time the unit exercises,

simply perform the “Set Exercise” procedure at the exact

weekday and time you want it to take place.

Generator will not exercise if timer is not set.

Maintenance

The generator warranty does not cover items that have been

subjected to operator abuse or neglect. To receive full value

from the warranty, the operator must maintain the system as

instructed in the Maintenance section.

Servicing the System

Before performing any generator maintenance, always

perform the following steps:

1. Set generator’s circuit breaker to its OFF position.

2. Set control panel system switch to OFF.

3. Remove 15 Amp fuse from control panel.

4. Utility voltage is present at generator control panel.

Disconnect power before servicing control panel by

removing the fuses from the transfer switch.

5. After all servicing has been completed, reinstall fuses in

transfer switch, replace 15 Amp fuse in control panel,

set system switch and circuit breaker ON and reset

exercise timer. See Setting Exercise Timer.

Fault Detection System

The generator may have to run for long periods of time with

no operator present. For that reason, the system is equipped

with sensors that automatically shut down the generator in

the event of potentially damaging conditions, such as low oil

pressure, high temperature, over speed, and otherconditions.

The generator’s control panel has a digital display that shows

fault codes, like “FC_1”. The table below lists the detected

fault, the fault code as displayed on the control panel, and the

number of LED flashes (also described as ‘blinks’) seen on

the remote LED indicator.

Fault Description Fault Codes LED Flashes

Low battery voltage FC_1 1

Low oil pressure FC_2 2

Low voltage FC_3 3

Engine fails to start FC_4 4

Low frequency FC_5 5

Engine overspeed FC_6 6

High temperature FC_7 7

Transfer switch fault FC_8 8

Emission Related Fault

ENG-

No Flash

The remote LED indicator is installed at a convenient inside

location. The LED will remain lit when the generator is in

AUTO. Should a system fault be detected, the LED will turn

on and off in a series of blinks that identify the problem. The

blink pattern is repeated with a brief pause between each

series of blinks.

16 BRIGGSandSTRATTON.COM

Reset Fault Detection System

The operator must reset the fault detection system each

time it activates. To do so, place the control panel system

switch in the OFF position for 30 seconds or more. Remedy

the fault condition, then return the generator to service by

installing the 15 Amp fuse, placing the system switch in the

AUTO position, and resetting the exercise timer. See Setting

Exercise Timer in Operation.

A description of each fault and suggested remedies are

asfollows:

No LED - Discharged Battery

If there is a detected fault condition but the LED is not

blinking, this is because the battery is completely discharged.

To remedy the problem, remove the 15 Amp fuse and

disconnect the battery from the generator. Take the battery to

a local battery store for analysis. Reinstall battery after it has

been fully recharged, connecting the NEGATIVE cable last.

Then reset the fault detection system, as described earlier.

Low Battery Voltage (FC_1)

This fault is indicated by fault code FC_1 and one blink on the

LED indicator. This condition occurs if the generator cannot

start because the starting battery output power is below that

needed to crank the engine. Causes for this problem may be

a faulty battery or battery charge circuit.

To remedy the problem, contact your local service center to

check the battery charge output. Remove the 15 Amp fuse

and disconnect the battery from the generator. Take the

battery to a local battery store for analysis.

Reinstall the battery (replace if necessary - see Battery in

Final Installation Considerations in the installation manual).

Then reset the fault detection system, as described earlier.

Low Oil Pressure (FC_2)

This fault is indicated by fault code FC_2 and two blinks on

the remote LED indicator. The unit is equipped with an oil

pressure switch that uses normally closed contacts held open

by engine oil pressure during operation. Should oil pressure

drop below the 8 psi range, switch contacts close and the

engine is shut down.

To remedy the low oil pressure condition, add the

recommended oil to the FULL mark on the dipstick.

If the low oil pressure condition still exists, the engine will

start, then shut down again. The fault code will appear and

the LED will flash. In this case, contact an authorized dealer.

Low Voltage (Generator, FC_3)

This fault is indicated by fault code FC_3 and three blinks on

the LED indicator. This condition is caused by a restriction in

the fuel flow, a broken or disconnected signal lead, a failed

alternator winding, the control panel circuit breaker is open,

or the generator is overloaded.

To remedy the problem, contact your installer or an

authorized dealer.

Engine Fail To Start (FC_4)

This fault is indicated by fault code FC_4 and four blinks on

the LED indicator. This feature prevents the generator from

damaging itself if it continually attempts to start in spite

of another problem, such as no fuel supply. Each time the

system is directed to start, the unit will crank for 10seconds,

pause for 10 seconds, and repeat. If the system does not

begin producing electricity after approximately 2minutes, the

unit will stop cranking and the LED will blink.

Check to make sure the generator’s circuit breaker is in the

ON position in order for the sensing leads to verify that the

unit is running.

The most likely cause of this problem is no fuel supply.

Check the internal and external fuel shut off valves to

ensure they are fully open. Other causes could be failed

spark plug(s), failed engine ignition, or the engine air filter

is clogged. You may need to contact your installer for

assistance if you can’t remedy these problems.

Low Frequency (FC_5)

This fault is indicated by fault code FC_5 and five blinks on

the LED indicator. This feature protects devices connected

to the transfer switch by shutting the generator down if the

engine runs slower than 55 Hz for three seconds.

This condition is caused by a failed engine component or by

excessive loads on the generator. To remedy the problem,

contact your installer or an authorized dealer.

Engine Overspeed (FC_6)

This fault is indicated by fault code FC_6 and six blinks on

the LED indicator. This feature protects devices connected

to the transfer switch by shutting the generator down if

the engine happens to run faster than the preset limit. The

overspeed fault is detected as follows:

•Ifthegeneratoroutputfrequencyis65-70Hz,afterthree

seconds, the generator will shut down.

•Ifthegeneratoroutputfrequencyisgreaterthan70Hz,

the generator will shut down immediately.

This condition is caused by a failed engine component.

To remedy the problem, contact your installer or an

authorizeddealer.

17

High Temperature (FC_7)

This fault is indicated by fault code FC_7 and seven blinks

on the LED indicator. The contacts of the temperature

switch are normally open. If the engine temperature exceeds

approximately 115°C (240°F), the fault is detected and the

engine shuts down.

Common causes for this condition include running the

unit with all access doors removed, obstructed air inlet or

exhaust port, low oil or coolant level, or debris in the engine

compartment or radiator.

To resolve the problem, let the engine cool down and remove

any accumulated debris and obstructions. Ensure that all

access doors are installed whenever the unit is running.

Transfer Switch Fault (FC_8)

This fault is indicated by fault code FC_8 and eight blinks

on the LED indicator (if transfer switch is equipped with

faultdetection).

The most likely cause of this fault is a blown fuse in the

transfer switch. To remedy the problem, contact your installer

or an authorized dealer.

ENG-

The engine is equipped with on-board diagnostics that moni-

tor the operation of emission related components. If an emis-

sion related problem has been detected, the system control

panel display will alternate between run hours and ENG- in

three second intervals while the generator is running. If ENG-

displays while the generator is running, a diagnostic trouble

code may be set or a problem may exist in the system which

has caused the engine emissions to go outside the standards

certiﬁed by the Environmental Protection Agency. It is the

responsibility of the operator to contact an authorized service

technician to repair this condition.

Generator Maintenance

Generator maintenance consists of keeping the unit

clean. Operate the unit in an environment where it will

not be exposed to excessive dust, dirt, moisture or any

corrosive vapors. Cooling air louvers on the enclosure

must not become clogged with snow, leaves, or any other

foreign material. To prevent generator damage caused by

overheating, keep the enclosure cooling inlets and outlets

clean and unobstructed at all times.

Check the cleanliness of the unit frequently and clean when

dust, dirt, oil, moisture or other foreign substances are visible

on its exterior/interior surface. Inspect the air inlet and outlet

openings inside and outside the enclosure to ensure air flow

is not blocked.

DO NOT use direct spray from a garden hose to clean generator.

Water can enter the engine and generator and cause problems.

Cleaning the Generator

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Clean generator as desired.

 • Useadampclothtowipeexteriorsurfacesclean.

 • Useasoft,bristlebrushtoloosencakedondirt,etc.

 • Useavacuumcleanertopickuploosedirtanddebris.

 • Uselowpressureair(nottoexceed25psi)toblow

away dirt. Inspect cooling air slots and openings on

the generator. These openings must be kept clean

andunobstructed.

4. Reinstall 15 Amp fuse in control panel.

5. Set generator’s system switch to AUTO.

6. Reset exercise timer. See Setting Exercise Timer.

NOTICE Improper treatment of generator can damage it

and shorten its life.

• DO NOT expose generator to excessive moisture, dust,

dirt, or corrosive vapors.

• DO NOT insert any objects through cooling slots.

18 BRIGGSandSTRATTON.COM

Engine Maintenance

The maintenance of an engine and related components are

critical to its operating performance and lifespan. Industrial

engines operate in an environment that often include hot

and cold temperatures and extreme dust. The recommended

maintenance schedule is listed in this section, however,

environmental operating conditions and additional installed

equipment may require more frequent inspection and

servicing. The owner and/or authorized service technician

should review the operating conditions of the equipment to

determine the inspection and maintenance intervals. Proper

engine cooling and lubrication are very important, so pay

particular attention to these matters.

Engine Oil

The engine is shipped from the factory pre-run and filled

with non-synthetic oil (API SL 10W-30). This allows for

system operation in a wide range of temperature and

climateconditions.

Oil Recommendation

Select and engine oil viscosity that will best match the

prevailing daytime temperature.

The oil must meet GM specification 9986231. Motor oils

meeting this spec receive the API (American Petroleum

Institure) starburst symbol:

HOT WEATHER

COLD WEATHER

SAE 10W-30

PREFERRED

SAE 15W-40

FOR THE BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST

SAE VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE

IF NEITHER SAE 10W-30

NOR SAE 15W-40 GRADE

OILS ARE AVAILABLE, SAE

30 GRADE MAY BE USED AT

TEMPERATURES ABOVE 4

DEGREES C (40F), SAE 40

GRADE AY BE USED AT

TEMPERATURES ABOVE 27

DEGREES C (80F).

DO NOT USE SAE 10W-40

GRADE OIL OR ANY OTHER

GRADE NOT RECOMMENDED

RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS

It is noted that the GF-4 oils are also “backward compatible”

and are equal or better than previous grades of oil in all

aspects.

Synthetic Oils

Synthetic Oils have been available for use in industrial

engines for a relatively long period of time and may offer

advantages in cold and hot temperatures. However, it is not

known if synthetic oils provided operational or economic

benefits over conventional petroleum-based oils in industrial

engines. Use of synthetic oils does not permit the extension

of oil change intervals.

Checking Engine Oil Level

NOTICE: It is important to be careful when checking engine

oil level. Oil must be maintained between the “ADD” and

the “FULL” mark on the dipstick. To ensure that you are not

getting a false reading, make sure the following steps are

taken before checking the oil level.

1. Stop engine.

2. Set control board system switch to OFF.

3. Remove 15 Amp fuse from control panel.

4. Allow approximately five minutes for the oil to drain

back into the oil pan.

5. Remove the dipstick. Wipe with a clean cloth or paper

towel and reinstall. Push the dipstick all the way into the

dipstick tube.

6. Remove the dipstick and note the amount of oil on the

dipstick. The oil level must be between the “ADD” and

“FULL” marks.

7. If the oil level is below the “ADD” mark, reinstall the

dipstick and proceed to step 6.

8. Remove the oil filler cap from the valve cover.

9. Add the required amount of oil to bring the level up to,

but not over, the “FULL” mark on the dipstick. Reinstall

the oil filler cap to the valve rocker arm cover and wipe

any excess oil clean.

19

Changing Engine Oil

KEEP OUT OF REACH OF CHILDREN. DON’T

POLLUTE. CONSERVE RESOURCES. RETURN

USED OIL TO COLLECTION CENTERS.

Change oil while the engine is still warm from running.

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Place oil drain hose (A) into an approved container.

4. Open valve (B) located at bottom of oil pan.

Shown here is the oil drain hose (A) and the oil filter location

(C) for the 30kW generator:

Shown here is the oil drain hose (B) and the oil filter location

(C) for the 45kW generator:

5. When oil has drained, close valve.

6. Add the required amount of oil to bring the level up to,

but not over, the “FULL” mark on the dipstick. Reinstall

the oil filler cap to the valve rocker arm cover and wipe

any excess oil clean

If all engine servicing is complete, replace 15 Amp fuse in

control panel and reset exercise timer. See Setting Exercise

Timer in Operation.

To make the task of adding oil more convenient, we

recommend use of a funnel attached to a length of tubing

long enough to reach from the Coolant Fill door to the oil fill

opening on the engine valve cover.

Engine Coolant System

It is important that the cooling system of the engine be

maintained properly to ensure proper performance and

longevity.

Engine V-Belts

The engine installed in this equipment uses drive belt(s) that

drive the water pump and alternator. The drive belt(s) are an

integral part of the cooling and charging system and should

be inspected according to the maintence schedule. When

inspecting the belts, check for:

 • Cracks

 • Chunkingofthebelt

 • Splits

 • Materialhangingloosefromthebelt

 • Glazing,hardening

If any of these conditions exist, the belt should be replaced.

The cooling system must be maintained according to the

recommended maintenance schedule and inspection should

include:

 • Theregularremovalofdust,dirt,anddebrisfromthe

radiator core and fan shroud.

 • Inspectionofcoolanthosesandcomponentsforleaks,

especially at the radiator hose connections. Tighten

hose clamps if necessary.

 • Checkradiatorhosesforswelling,separation,

hardening, cracks, or any type of deterioration.

 • Inspecttheradiatorcaptoensurepropersealing.

NOTICE: Alcohol or methanol based anti-freeze or plain

water are not recommended for use in the cooling system at

any time.

With the engine cold, check the coolant level in the coolant

recovery bottle (see Controls). Specifications for the coolant

system can be found in the Maintenance chart of this manual.

Coolant Speciﬁcation - ethylene glycol 50-50 mixture w/

distilled water.

Coolant

WARNING Hot pressurized coolant could cause serious

injury and/or property damage.

• DO NOT open radiator cap when hot.

• Before servicing, allow coolant to cool.

A

C

B

C

A

B

20 BRIGGSandSTRATTON.COM

Generator Electrical System Maintenance

The generator’s electrical system incorporates computers to

control various related components. The electrical system

connections and ground circuits require good connections.

Follow the recommended maintenance schedule located in

the Maintenance section of this manual.

When inspecting the electrical system, check the following:

 • Checkpositive(+)andnegative(-)batterycablesfor

corrosion, rubbing, chafing, burning, and ensure tight

connections at both ends.

 • Checkbatteryforcracksordamagetothecase.Replace

as necessary.

 • Inspectenginewireharnessforrubbing,chafing,

pinching, burning, and cracks or breaks in the wiring.

 • Verifythattheengineharnessconnectorsarecorrectly

locked in.

 • Inspectignitioncoilwireforhardening,cracking,

chafing, burning, separation, and split boot covers.

 • Inspectsparkplugwiresforhardening,cracking,

chafing, burning, separation, and split boot covers.

 • Replacesparkplugsattherequiredintervalsperthe

recommended maintenance schedule.

 • Verifythatallelectricalcomponentsaresecurely

mounted to the engine or chassis.

 • Verifythatanyadditionalelectricalservicesinstalledby

the owner are properly installed in the system.

Engine Air Cleaner

Once each year service the air cleaner, as follows. If

operating in a dusty environment, service more often.

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Remove filter cartridge - Remove the service cover by

disengaging three clips and detaching cover, starting

with the bottom two clips and the top clip last. Gently

move the end of the filter back and forth, then rotate

while pulling straight out.

4. Clean outlet tube and check Vacuator™

valve - Use a clean cloth to wipe the

filter sealing surface and the outlet tube

surfaces. Make sure that all contaminant

is removed before the new filter is

inserted. Be careful to not damage the

sealing area on the tube.

Visually check and physically squeeze Vacuator valve

attached to service cover to make sure it is flexible and

not inverted, damaged orplugged.

5. Clean filter - Use a soft bristle brush to loosen dirt

and a vacuum cleaner to remove dirt and debris. Low

pressure air (not to exceed 25 psi) may also be used to

blow away dirt. Replace filter cartridge if any holes are

detected in filter media.

6. Install clean filter properly - Insert the filter carefully.

Seat the filter by hand, making certain it is completely

into the air cleaner housing before securing the cover

in place. To complete a tight seal, apply pressure by

hand at the outer rim of the filter, not the flexible center.

(Avoid pushing on the center of the urethane end cap.)

No cover pressure is required to hold the seal.

NEVER use the service cover to push the filter into

place! Using the cover to push the filter in could cause

damage to the housing, cover, or fasteners and will void

the warranty. If the service cover hits the filter before

it is fully in place, remove the cover and push the filter

(by hand) further into the air cleaner and try again. The

cover should go on with no extra force.

7. Reinstall service cover - Once the filter is in place,

reinstall the service cover, positioning the cover with

the arrow and the word TOP to the top. Fasten the top

clip first, the bottom two clips last. Make sure that all

mounting bands, clamps, bolts, and connections in the

entire air cleaner system are tight and verify absence of

holes in piping - repair if needed.

8. Replace 15 Amp fuse in control panel.

9. Set control board system switch to ON.

NOTICE Any attempt to crank or start the engine before

it has been properly serviced with the recommended oil

will result in equipment failure.

• Damage to equipment resulting from failure to follow this

instruction will void engine and generator warranty.

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