Simplicity 076450-00 Manuel utilisateur

This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA

(Canadian Standards Association) standard C22.2 No. 100-4 (motors and generators).

Questions?

Help is just a moment away!

Call: Generator Helpline

800-732-2989

Monday-Friday 8:00 AM to 5:00 PM Central Time

Generator Systems

Operator’s Manual

48000 Watt

2 BRIGGSandSTRATTON.COM

Thank you for purchasing this quality-built Briggs & Stratton 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 generator will

provide many years of dependable service.

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

is only for use as an optional generator system which provides an alternate source of electric power and to serve loads such

as heating, refrigeration systems, and communication systems that, when stopped during any power outage, could cause

discomfort or inconvenience.

Save these original instructions for future reference.

This 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732-2989, 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

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 in an area that will

not accumulate deadly exhaust gas.

• Keep exhaust gas away from any windows, doors,

ventailation 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.

• 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 or serious injury.

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.

• 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 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 or

serious injury.

• 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 or serious injury.

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.

• Exhaust outlet side of weatherproof enclosure must

have at least 5 ft. (1.5m) minimum clearance from any

structure, shrubs, trees or any kind of vegetation.

• Standby generator weatherproof enclosure must be at

least 5 ft. (1.5m) from windows, doors, any wall opening,

shrubs or vegetation over 12 inches (30.5 cm) in height.

• Standby generator weatherproof enclosure must have a

minimum of 5 ft. (1.5 m) overhead clearance from any

structure, overhang, or trees.

• DO NOT place weatherproof enclosure under a deck or

other type of structure that may confine airflow.

• Use only flexible fuel line provided. Connect provided fuel

line to generator. DO NOT use with or substitute any other

flexible fuel line.

• Smoke detector(s) MUST be installed and maintained

indoors according to the manufacturer’s instructions/

recommendations. Carbon monoxide alarms cannot

detect smoke.

• Keep at least minimum distances shown in General

Location Guidelines to insure for proper generator cooling

and maintenance clearances.

• 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.

• 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 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/door 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.

-unit makes unusual noises.

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 generator system

installations. Installations must strictly comply with all

applicable codes, industry standards andregulations.

Your 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.

This product is only for use as an optional generator system

which provides an alternate source of electric power and

to serve loads such as heating, refrigeration systems, and

communication systems that, when stopped during any power

outage, could cause discomfort or inconvenience.

NOTICE This product does NOT qualify for either an

emergency standby or legally required standby system as

defined by NFPA 70 (NEC).

• Emergency generator systems are intended to

automatically supply illumination, power, or both, to

designated areas and equipment in the event of failure

of the normal supply. Emergency systems may also

provide power for such functions as ventilation where

essential to maintain life, where current interruption of

the normal supply would produce serious life safety or

health hazards.

• Legally Required standby generator systems are

intended to automatically supply power to selected

loads in the event of failure of the normal source

which could create hazards or hamper rescue or fire-

fighting operations.

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.

Only current licensed electrical and plumbing professionals

should attempt generator system installations. Installations

must strictly comply with all applicable codes, industry

standards, laws and regulations.

For the Installing Dealer/Contractor:

For most applications, the Installation manual contains all

the information required to properly install and start the

generator. This operator’s manual describes routine operation

and owner maintenanceprocedures.

If you need more information in this matter, please call

800732-2989, between 8:00 AM and 5:00 PM CT.

Owner Orientation

This section provides 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 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 generator installation.

In some areas you may need to acquire electrical permits

for installing the 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.

For the 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 generatorinstallation.

To arrange for proper installation, contact the store at which

you purchased your generator, your dealer, a licensed

electrician or your utility power provider.

The 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).

8 BRIGGSandSTRATTON.COM

Fuel Factors

An important consideration affecting the entire installation

is the type of fuel used by your 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%

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.

Delivery Inspection

Carefully inspect the 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 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

• Touch up paint

To be supplied by installer:

• Carbon monoxide detector(s)

• Smoke detector(s)

• Starting battery

• Reinforced concrete mounting pad

• Connecting wire and conduit

• Fuel supply valves/plumbing

• Various specialty tools/equipment

WARNING

Propane and Natural Gas are extremely

flammable and explosive, which could cause

burns, fire or explosion resulting in death or

serious injury.

• The 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.

9

Generator Location

The actual physical location of your 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.

• Install generator outdoors in an area that will not

accumulate deadly exhaust gas.

• DO NOT install generator where exhaust gas could

accumulate and enter inside or be drawn into a

potentially occupied building or structure.

• By law it is required in many states to have a Carbon

Monoxide (CO) detector in operating condition in your.

Carbon monoxide detector(s) (A) MUST be installed

and maintained indoors according to the manufacturer’s

instructions/recommendations. A CO monitor is an

electronic device that detects hazardous levels of CO.

When there is a buildup of CO, the monitor will alert the

occupants by flashing visual indicator light and alarm.

Smoke alarms cannot detect CO gas.

• Ensure exhaust gas is kept 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. Neighboring

structures may be exposed to the engine exhaust from

your standby generator and must be considered when

installing your standby generator.

• Wind and air currents should be taken into

consideration when positioning generator.

See the installation manual for full details on safe generator

location.

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 in an area that will

not accumulate deadly exhaust gas.

• 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.

• 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 Exhaust heat/gases could ignite

combustibles or structures resulting in death or serious

injury.

• Exhaust outlet side of weatherproof enclosure must

have at least 5 ft. (1.5 m) minimum clearance from any

structure, shrubs, trees, or any kind of vegetation.

• Standby generator weatherproof enclosure must be at

least 5 ft. (1.5 m) from windows, doors, any wall opening,

shrubs or vegetation over 12 in. (30.5 cm) in height.

• Standby generator weatherproof enclosure must have a

minimum of 5 ft. (1.5 m) overhead clearance from any

structure, overhang or trees.

• DO NOT place weatherproof enclosure under a deck or

other type of structure that may confine airflow.

• USE ONLY flexible steel fuel line provided. Connect

provided fuel line to generator. DO NOT use with or

substitute any other flexible fuel line.

• Smoke detector(s) MUST be installed and maintained

indoors according to the manufacturer’s instructions/

recommendations. Carbon monoxide alarms cannot

detect smoke.

• DO NOT place weatherproof enclosure in manner other

than shown in illustrations.

A

10 BRIGGSandSTRATTON.COM

Controls

48 kW Generator

Read this operator’s manual and Important Safety Instructions before operating your generator.

Compare the illustrations of this 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 removed for clarity

and screen guard open for clarity.

A - Exhaust Port — High-performance muffler lowers engine

sound level to comply with most residential codes.

B - Coolant Fill Door — Provides access for servicing engine

with 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 — 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.

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

maintenance functions. See System Control Panel.

A

B

C

D

A

E

F

G

H

J

K

L

M

N

P

R

S

11

System Control Panel

The generator control panel, located inside the generator

housing, is shown below.

Brief descriptions of the controls used during installation are:

A - Menu/Programming Navigation Buttons — See

Menu section for details

B - USB Port — Authorized Dealer Service Use Only

C - Generator Operation Control Buttons —

•“AUTO” Normal operating position. Press and hold

button to put unit into Automatic mode. 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 outage.

•“OFF” Turns off running generator, prevents unit from

starting, and resets any detected faults.

OFF must be pressed and held for more than 5

seconds in order to reset service codes.

•“MANUAL” Used to manually start the generator.

“AUTO” LED — LED will light when unit is placed

into Auto mode. LED will blink if exercise cycle is not

set or set to OFF.

D – 15 Amp Fuse — Protects the home generator 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. One spare fuse is supplied with the unit.

E - Cover — This protective cover must be opened to

access the fuse and the USB port.

F - Digital Display — Displays generator mode, menu

options, service codes, and service engine indicators

System Control Panel

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

B

C

D

F

E

D

A

12 BRIGGSandSTRATTON.COM

Access Ports

The 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 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.

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.

C

D

E

F

B

A

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.

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 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.

14 BRIGGSandSTRATTON.COM

Setting Exercise Timer

The generator is equipped with an exercise timer. During the

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).

The generator will only enter the exercise cycle if the unit is

in the AUTO mode and this exact procedure is followed.

To set the exercise timer:

NOTICE The generator is set with a default exercise cycle

setting of Tuesday at 2:00 P.M, Central Time. To change the

cycle setting, proceed to the following steps:

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

exercise.

2. Press and hold the left arrow and right arrow

simultaneously for 3 seconds to enter the General

Set-Up program mode. See General Set-Up flow chart

in Menu Section.

3. Verify and/or set the time and date on the unit.

4. Go to the SET EXERCISE prompt and hit the “OK”

button.

NOTICE Items will flash until they are selected.

SELECT DAY: Use the left or right arrow to toggle

through the days of the week, Once the day is

selected, hit the “OK” button.

SELECT HOUR: Use the left or right arrow to toggle

through between 1 and 12. Choose the hour of day

you want the generator to exercise then hit the “OK”

button.

SELECT MINUTE: Use the left of right arrow to toggle

between :00 and :59. Choose the minute of the day

you want the generator to exercise then hit the “OK”

button.

SELECT AM/PM: Use the left of right arrow to toggle

between AM and PM. Once chosen, hit the “OK”

button.

NOTICE During the weekly exercise cycle, the generator will

run for 20 minutes, but it will not supply power to the home.

During the exercise cycle, the in-home monitor will continue

blinking the GENERATOR READY green LED.

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

simply perform the procedure again.

To turn off the generator exercise cycle, go to the OFF

selection within the day of the week menu and press OK. The

display will then scroll: EXERCISE CYCLE OFF.

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.

Service Code 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 board shows service code

descriptions scrolling across the digital display. The service

code descriptions are listed below:

• Low Battery Voltage

• Low Oil Pressure

• Under Voltage

• Over Voltage

• Engine Does Not Start

• Low Frequency

• Engine Overspeed

• High Oil Temperature

• Transfer Switch Service code

• No Wireless Communication (Optional)

• Battery Charge Circuit

Reset Service code Detection System

The operator must reset the service code detection system

each time it activates. To do so, press the control board OFF

button for 5 seconds. Once the display turns off, leave it off

for at least 30 seconds. Remedy the service code condition,

then return the home generator to service by pressing and

holding the control board AUTO button and installing the 15

Amp fuse (if removed).

Low Battery Voltage

This service code is indicated by Low Battery Voltage scrolling

across the digital display and a single flash on the wireless

monitor. This condition occurs if the battery voltage drops

below the preset value. Causes for this problem may be a

service code battery or battery charge circuit. See Battery

Charge Circuit,

Remove the 15 Amp fuse and disconnect the battery from

the generator. Test the battery voltage. If voltage meets

specifications, take the battery to a local battery store for

analysis. Or contact your local service center for assistance.

Reinstall the battery (replace if necessary - see Battery in Final

Installation Considerations in the installation manual). Then

reset the service code detection system, as described earlier.

Low Oil Pressure

This service code is indicated by Low Oil Pressure scrolling

across the digital display and two flashes on the wireless

monitor. 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 will 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 service code code will

appear. In this case, contact an authorized dealer.

Under Voltage

This service code is indicated by Under Voltage scrolling

across the digital display and three flashes on the wireless

monitor. This condition is caused by a restriction in the

fuel flow, the electronic governing system not functioning

properly, a broken or disconnected signal lead, a failed

alternator winding, the control board circuit breaker is open,

or the generator is overloaded.

To remedy the problem, contact your installer or an authorized

dealer.

Over Voltage

This service code is indicated by Over Voltage scrolling across

the digital display and three flashes on the wireless monitor.

This feature protects devices connected to the transfer switch

by shutting the generator down if the generator output voltage

happens to increase above the preset limit.

This condition is most likely caused by a failed voltage

regulator, alternator excitation circuit or a load imbalance. To

remedy the problem, contact your installer or an

authorized dealer.

Engine Does Not Start

This service code is indicated by Engine Does Not Start

scrolling across the digital display and four flashes on the

wireless monitor. 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.

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

incorrect fuel selector setting. See Fuel Selection Switch in the

installation manual. Check the internal and external fuel shut

off valves to ensure they are fully open. Other causes could be

failed spark plug(s), a loose electronic governor connection,

a 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

This service code is indicated by Low Frequency scrolling

across the digital display and five flashes on the wireless

monitor. 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, electronic govenor

system, or by excessive loads on the generator. To resolve the

problem, contact your installer or an authorized dealer.

Engine Overspeed

This service code is indicated by Engine Overspeed scrolling

across the digital display and six flashes on the wireless

monitor. This condition can be caused by a problem within the

electronic govenor system.

To resolve the problem, contact your installer or an authorized

dealer.

High Oil Temperature

This service code is indicated by High Oil Temperature

scrolling across the digital display and seven flashes on the

wireless monitor. The contacts of the temperature switch

are normally open. If the engine temperature exceeds a

predetermind temperature, the service code is detected and

the engine shuts down.

Common causes for this condition include running the unit

with an access door removed, obstructed air inlet or exhaust

port, or debris in the engine compartment or running unit with

roof open.

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

any accumulated debris and obstructions. Ensure that the

access doors are installed and the roof is closed whenever the

unit is running. If problem persists, contact your installer or

an authorized dealer.

Transfer Switch Service code

This service code is indicated by Transfer Switch Service

code scrolling across the digital display (if transfer switch is

equipped with service codedetection) and eight flashes on the

wireless monitor.

The most likely cause of this service code is a blown fuse

in the transfer switch. To remedy the problem, contact your

installer or an authorized dealer.

Battery Charge Circuit

This service code is indicated by Battery Charge Circuit

scrolling across the digital display. The most likely cause is

an electrical problem with the control panel. To remedy the

problem, contact your installer or an authorized dealer.

16 BRIGGSandSTRATTON.COM

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.

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

40°F (4°C)

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.

17

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.

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 (B) into an approved container.

4. Open valve (A) located on bottom of oil pan.

5. When oil has drained, replace brass fitting on hose.

6. Remove oil filter and dispose of properly.

7. Before installing a new oil filter, lightly lubricate the oil

filter gasket with fresh, clean oil.

8. Install the oil filter by hand until the gasket contacts the

oil filter adapter, then tighten the oil filter ½ to ¾ turn.

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 valve rocker arm cover and wipe any

excess oil clean.

10. 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.

18 BRIGGSandSTRATTON.COM

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.

• DO NOT open radiator cap when hot.

• Before servicing, allow coolant to cool.

19

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.

20 BRIGGSandSTRATTON.COM

Battery

Servicing of batteries is to be performed or supervised

by personnel knowledgeable of batteries and the

required precautions. Keep unauthorized personnel away

frombatteries.

Servicing the Battery

If it is necessary to service the battery, proceed as follows:

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Service or replace battery as required. See Battery

in Final Installation Considerations in the installation

manual for specific battery needed.

4. Connect red battery cable to battery positive terminal

(indicated by POSITIVE, POS, or (+)).

5. Connect black battery cable to negative battery terminal

(indicated by NEGATIVE, NEG, or (-)).

6. Ensure hardware on both positive and negative battery

terminals is secure.

7. Reinstall 15 Amp fuse in control panel.

8. Set generator’s system switch to AUTO.

9. Reset exercise timer. See Setting Exercise Timer.

DON’T POLLUTE. CONSERVE RESOURCES,

RETURN USED BATTERY TO RECYCLING

COLLECTION CENTER.

Charging the Battery

If it is necessary to charge the battery, proceed as follows:

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Disconnect negative battery cable from negative battery

terminal (indicated by NEGATIVE, NEG, or (-)).

4. Charge battery with battery charger at 2 Amps until

battery holds 12 Volts. DO NOT exceed 13.7 volts when

charging battery.

5. Connect negative battery cable to negative battery

terminal (indicated by NEGATIVE, NEG, or (-)).

6. Ensure hardware on both positive and negative battery

terminals is secure.

7. Reinstall 15 Amp fuse in control panel.

8. Set generator’s system switch to AUTO.

9. Reset exercise timer. See Setting Exercise Timer.

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.

NOTICE Failure to disconnect negative battery cable will

result in equipment failure.

• DO NOT attempt to jump start the generator.

• Damage to equipment resulting from failure to follow this

instruction will void engine and generator warranty.

CAUTION With the system switch set to AUTO,

the engine could crank and start at any

time without warning, resulting in minor or

moderateinjury.

• To prevent possible injury that could be caused by such

sudden starts, always set the system switch to OFF if

performing maintenance on the system.

• Remove the 15 Amp fuse before working on or around

the generator or transfer switch.

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