Simplicity 076071-00 Guide d'installation

Marque: Simplicity

Modèle: 076071-00

Catégorie: Groupes électrogènes

Taper: Guide d'installation

Ce manuel convient également à

076031-00

Generator Systems

Installation & Start-Up Manual

Liquid-Cooled

Generator System

NOT

FOR REPRODUCTION

2 BRIGGSandSTRATTON.COM

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

in the Briggs & Stratton brand. When operated and maintained according to the instructions in the operator’s 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. 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 system requires professional installation before use. The installer should follow the instructions completely.

Where to Find Us

You never have to look far to find support and service for your generator. Consult your Yellow Pages. There are many

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

Stratton Customer Service by phone at 800-743-4115 between 8:00 AM and 5:00 PM CT., or click on Find a Dealer at

BRIGGSandSTRATTON.COM, which provides a list of authorized dealers.

For Future Reference

Please fill out the information below and keep with your receipt to assist in unit identification for future purchase issues.

Date of Purchase

Generator

Model Number

Model Revision

Serial Number

Engine

Model Number

Serial Number

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.

NOT

FOR REPRODUCTION

Table of Contents

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

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

Owner Responsibilities.........................................7

Installing Dealer/Contractor Responsibilities ........................7

Delivery Inspection............................................7

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

Fuel Conversion .............................................12

Fuel Consumption ...........................................12

System Connectors ..........................................13

Grounding the Generator ......................................14

System Control Panel.........................................15

Final Installation Considerations ................................15

Initial Start-up (No Load)......................................16

Controls ..................................... 17

Operation .................................... 17

Automatic Operation Sequence .................................17

Setting Exercise Timer ........................................17

Installation Inspection ........................................17

Schematic Diagram ..........................................19

Wiring Diagram .............................................22

NOT

FOR REPRODUCTION

4 BRIGGSandSTRATTON.COM

Save These Instructions

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, 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.

NOT

FOR REPRODUCTION

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 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.

• 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.

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.

NOT

FOR REPRODUCTION

6 BRIGGSandSTRATTON.COM

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.

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 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/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 or makes unusal noises.

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.

NOT

FOR REPRODUCTION

Installation

Equipment Description

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.

Only current licensed electrical and plumbing

professionals should attempt generator system

installations. Installations must strictly comply with all

applicable codes, industry standards and regulations.

Owner Responsibilities

 • Readandfollowtheinstructionsgiveninthe

operator’smanual.

 • Followaregularscheduleinmaintaining,caringfor

and using your generator, as specified in the operator’s

manual.

Installing Dealer/Contractor Responsibilities

 • Readandobservethesafetyrules.

 • InstallonlyanULapprovedtransferswitchthatis

compatible with the generator.

 • Readandfollowtheinstructionsgiveninthis

installation and start-up manual.

The system is equipped with an optional water heater that is

activated when ambient temperature is less than 80°F AND

utility power is present at the transfer switch.

Unpacking Precautions

The unit is shipped ready for installation on a prepared

reinforced cement slab or engineered base. Avoid

damage from dropping, bumping, collision, etc. Store and

unpack carton with the proper side up, as noted on the

shippingcarton.

Delivery Inspection

After removing the carton, 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

for claim procedures. Missing or damaged parts are

notwarranted.

Shipment Contents

The generator system is supplied with:

 • Fully-servicedcoolantsystem

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

 • Flexiblesteelfuelhook-uphose

 • Installationandstart-upmanual

 • Operator’smanual

 • Spareaccessdoorkeys

 • Spare15AmpATO-typefuse

 • Ten-pincontrolpanelconnector

 • Touchuppaint

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

 • Fuelselectionservicetool

Not Supplied:

 • Carbonmonoxidedetector(s)

 • Smokedetector(s)

 • Startingbattery

 • Reinforcedconcretepad

 • Connectingwireandconduit

 • Fuelsupplyvalves/plumbing

 • Two60”lengthsof2”Schedule40pipe(NOTconduit)

 • Crane,liftingstraps,chainsorcables

 • Holepunchesfor7gasteel

 • Torquescrewdriver,5to50inch-poundrange

 • Voltage/frequencymeter

 • Variousspecialtoolsandequipment

 • Phaserotationmeter

NOT

FOR REPRODUCTION

8 BRIGGSandSTRATTON.COM

Proper installation of the generator requires the completion

of the following tasks:

Carbon Monoxide (CO) Detector

Carbon Monoxide (CO) detector in working order.

Smoke Detector in working order.

Placement

Required permits have been obtained.

Generator placed in a Carbon Monoxide (CO) safe

zone. See Placement of Standby Generator to

Reduce the Risk of Carbon Monoxide Poisoning.

Generator placed in a fire safe zone. See Placement

of Standby Generator to Reduce the Risk of Fire.

Generator placed in a water damage safe zone. See

Other General Location Guidelines.

Generator placed in a utility safe zone. See Other

General Location Guidelines.

Generator placed in a debris free zone. See Other

General Location Guidelines.

Fuel

Generator is connected to fuel source with flexible

fuel line, has no fuel leaks and conforms to local

codes. See The Gaseous Fuel System.

Proper fuel pressure has been measured with all

gas appliances operating. See The Gaseous Fuel

System.

Electrical

Generator neutral is connected to Automatic Transfer

Switch. See Generator AC Connection System.

Generator is grounded. See Grounding the

Generator.

Generator is connected to the transfer switch with

the specified wiring. See Utility Circuit Connection

and Transfer Switch Communication.

Generator is connected to the transfer switch with

the specified wiring. #18AWG twisted pair wiring

from the generator control panel to the transfer

switch is installed in a separate conduit from

high voltage wires unless the insulation rating on

all wiring is rated for 600V See Transfer Switch

Communication.

Dipswitches in most transfer switches must be set

to correspond to the wattage of the generator. See

Transfer Switch Operator/Installation Manual.

Operation

Correct battery type is installed and fully charged.

See Final Installation Considerations.

Generator engine oil level is at full mark. See Final

Installation Considerations.

Circuit breaker is in the ON position.

Utility was shut off to test the operation of generator

and transfer switch. Note any fault codes and make

corrections as required.

Installation Checklist

NOT

FOR REPRODUCTION

Before installing the generator, consult with the owner

and convey the following requirements, which must be

satisfied before the installation is complete.

There are two equally important safety concerns in regards

to carbon monoxide poisoning and fire. There are also

several general location guidelines that must be met before

the installation is considered complete.

Generator Placement

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.

Exhaust Side of Generator

 • Exhaustoutletsideofweatherproofenclosure

 • Weatherproofenclosureoppositeexhaustside

NOT

FOR REPRODUCTION

10 BRIGGSandSTRATTON.COM

Placement of Standby Generator to REDUCE THE RISK OF CARBON MONOXIDE POISONING

The figure below demonstrates POTENTIAL points of entry for Carbon Monoxide Gas.

All fossil fuel burning equipment, such as standby

generators, contains carbon monoxide (CO) gas in the

engine exhaust. CO gas is odorless, colorless and tasteless

and is unlikely to be noticed until a person is overcome.

CO gas can kill you so it is required that the following is

included as part of the installation:

 • 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

homes and other structures occupied by people.

Carbon monoxide detector(s) (A) MUST be

installed and maintained indoors according to the

manufacturer’s instructions / recommendations.

A CO monitor is an electric 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.

 • Nearbystructuresmaybeexposedtotheengine

exhaust from your standby generator and must be

considered when installing your standby generator.

 • Ensureexhaustgasiskeptawayfrom:

B overhead doors

C doors

D windows (not shown)

E other openings that can allow exhaust gas to enter

inside or be drawn into a potenially occupied building

or structure.

B B

NOT

FOR REPRODUCTION

 • Directthestandbygeneratorexhaustawayfromor

parallel to the building or structure. DO NOT direct

the generator exhaust towards a potentially occupied

building, structure, windows, doors, ventilation

intakes, soffit vents, crawl spaces, open garage

doors or other openings where exhaust gas could

accumulate and enter inside or be drawn into a

potentially occupied building or structure.

 • DONOTplacestandbygeneratorinanyareawhere

leaves or debris normally accumulates. Position

standby generator in an area where winds will carry

the exhaust gas away from any potentially occupied

building or structure.

NOT

FOR REPRODUCTION

12 BRIGGSandSTRATTON.COM

Placement of Standby Generator to REDUCE THE RISK OF FIRE

The National Fire Protection Association (NFPA) standard

NFPA 37 establishes criteria for minimizing the hazard

of fire during the installation and operation of stationary

combustion engines. NFPA 37 limits the spacing of an

enclosed generator from openings in walls, structures and

combustible materials outside the enclosure.

The placement requirements provided are based on

compliance to NFPA 37 2010 section 4.1.4.

WARNING Exhaust heat/gases could ignite combustibles or

structures resulting in death, serious injury and/or

property damage.

• 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 inches (30.5 cm) in height.

• Standby generator weatherproof enclosure must have a

minimum of 5 feet (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.

• DO NOT place weatherproof enclosure in manner other than

shown in illustrations.

Examples of standby generator locations to reduce the

risk of fire:

Legend for Generator Locations to reduce the risk of fire.

Standby weatherproof enclosure must be at least 5

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

shrubs or vegetation over 12 inches (30.5 cm) in

height.

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 weatherproof enclosure must have a

minimum of 5 feet (1.5 m) overhead clearance from

any structure, overhang or trees.

NOTICE DO NOT place weatherproof enclosure under a

deck or other type of covered structure that may confine

airflow.

Vertical Clearances

NOT

FOR REPRODUCTION

Legend for Generator Locations to reduce the risk of fire.

Standby weatherproof enclosure must be at least 5

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

shrubs or vegetation over 12 inches (30.5 cm) in

height.

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.

Typical Installations with Structure Without a Fire Rating

Standby weatherproof enclosure must have a minimum

of 5 feet (1.5 m) overhead clearance from any

structure, overhang or trees.

NOTICE DO NOT place weatherproof enclosure under a deck

or other type of covered structure that may confine airflow.

5 ft (1.5 m) min.

Standby

5 ft (1.5 m) min.

Exhaust

5 ft (1.5 m) min.

Standby

5 ft (1.5 m) min.

Exhaust

NOT

FOR REPRODUCTION

14 BRIGGSandSTRATTON.COM

Typical Installation with Single Structure Having a Fire Resistance Rating of at Least 1 Hour.

Legend for Generator Locations to reduce the risk of fire:

- Standby weatherproof enclosure must be at least

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

shrubs, or vegetation over 12 inches (30.5 cm) in

height.

- Exhaust oulet side of weatherproof enclosure must

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

structure, overhang or trees.

- Standby weatherproof enclosure must have a

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

structure, overhang, or trees.

NOTICE DO NOT place weatherproof enclosure under a deck

or other type of coverend structure that may confine airflow.

5 ft (1.5 m) min.

Standby

5 ft,(1.5 m)

5 ft (1.5 m) min.

5 ft (1.5 m).

Standby

3 ft (0.9 m) min.

2 ft (0.6 m) min.

Exhaust

A A

NOT

FOR REPRODUCTION

Typical Installation with Dual Structure Having a Fire Resistance Rating of at Least 1 Hour

Legend for Generator Locations to reduce the risk of fire:

- Standby weatherproof enclosure must be at least

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

shrubs, or vegetation over 12 inches (30.5 cm) in

height.

- Exhaust oulet side of weatherproof enclosure must

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

structure, overhang or trees.

- Standby weatherproof enclosure must have a

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

structure, overhang, or trees.

NOTICE DO NOT place weatherproof enclosure under a deck

or other type of coverend structure that may confine airflow.

5 ft (1.5 m) min.

Standby

3 ft (0.9 m)

2 ft (0.6 m) min.

2 ft (0.6 m).

2 ft (0.6 m)

2 ft (0.6 m) min.

2 ft (0.6 m)

Exhaust

NOT

FOR REPRODUCTION

16 BRIGGSandSTRATTON.COM

34-1/4”

87cm

14-3/4”

37.5cm

92”

233.7cm

51”

129.5cm

6”

15.2cm

5”

12.7cm

7-1/2”

19cm

Other General Location Guidelines

 • Placethestandbygeneratorinapreparedlocation

that is flat and has provisions for water drainage.

 • Installthestandbygeneratorinalocationwhere

sump pump discharge, rain gutter down spouts, roof

run-off, landscape irrigation, or water sprinklers will

not flood the unit or spray the enclosure and enter

any air inlet or outlet openings.

 • Installthestandbygeneratorwhereitwillnot

affect or obstruct any services (including covered,

concealed and underground), such as telephone,

electric, fuel (natural gas / LPG vapor), irrigation, air

conditioning, cable, septic, sewer, well and so forth.

 • Installthestandbygeneratorwhereleaves,grass,

snow, etc will not obstruct air inlet and outlet

openings. If prevailing winds will cause blowing or

drifting, you may need to construct a windbreak to

protect the unit.

Concrete Slab

At the appropriate location, construct a concrete slab:

 • 28daycompressionstrengthof3000psi(200MPa)

 • Minimum5”(13cm)thick

 • Minimum6”(15cm)widerthanenclosureonallsides

(shown as D in figure)

 • StrengthenslabwithNo.6reinforcingbars

(on12”(30.5cm)centers)or8ga.steelwirefabric

(6”(15cm)centers).

Avoid placing reinforcement in entrance stub up area(B).

Attach unit to slab at four corner locations (A) with minimum

5/16”(8mm)diametermasonryanchorboltslongenoughto

secure the unit.

The fuel inlet location (C), the concrete slab (D), and the

exhaust outlet (E) are shown for reference.

Holes located in base to anchor to pad

Stub up Area

Fuel Inlet

Concrete slab

Exhaust Outlet

C D

NOT

FOR REPRODUCTION

Electrical and Fuel Inlet Locations

A through-slab power cable stub-up is preferred. If stub-

up’s are not used, (B) indicates the recommended location

for punching holes for attaching power conduit. The 1 inch

N.P.T. fuel inlet connector (A) is shown for reference.

Lifting the Generator

The generator weighs more than 1,800 pounds (818 kg).

Proper tools, equipment and qualified personnel should be

used in all phases of handling and moving the generator.

Remove circuit breaker box bottom plate prior to positioning

generator.Two60”(1.5m)lengthsof2”Schedule40pipe(C),

supplied by the installer, are required to lift the generator onto

cement pad. Insert pipes through the lifting holes (D) located

near the unit’s base. Use a spreader bar to ensure that the

chains, straps or cables DO NOT touch the generator’s roof.

Retouch any chipped paint with supplied touch-up paint.

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.

• Use lifting pipes as described in Lifting the Generator.

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

will occur.

NOT

FOR REPRODUCTION

18 BRIGGSandSTRATTON.COM

Access Ports

The generator is equipped with an enclosure that has several

access doors, as shown above. The doors are named for a

significant component located behind them, as follows:

. - Fuel Inlet port (shown for reference)

. - Control Panel door (may be two doors)

. - Exhaust opening (shown for reference)

. - Coolant/Oil Fill door

. - Battery door

. - Muffler door

The Coolant Fill, Battery and Control Panel doors must be

installed whenever the unit is running to assure proper

cooling, reduce noise and for added safety. The enclosure

also includes muffler and radiator access panels, used only

for cleaning those components. Those panels should remain

closed at all other times.

Each generator is shipped with a set of identical keys. These

keys fit the locks that secure the access ports.

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.

NOT

FOR REPRODUCTION

The Gaseous Fuel System

The information below is provided to assist gaseous fuel

system technicians in planning installations. In no way

should this information be interpreted to conflict with

applicable fuel gas codes. Consult with your local fuel

supplier or Fire Marshall if questions or problems arise.

TO THE INSTALLER: Consult with the generator owner(s)

and convey any technical considerations that might

affect their installation plans before applying these

generalguidelines.

The following general rules apply to gaseous fuel

systempiping:

 • Thepipingshouldbeofamaterialthatconformsto

federal and local codes, rigidly mounted and protected

against vibration.

 • Pipingshouldbeprotectedfromphysicaldamage

where it passes through flower beds, shrub beds, and

other cultivated areas where damage could occur.

 • Installtheflexible,gaseoushose(B) (supplied) between

the generator fuel inlet port (A) and rigid piping to

prevent thermal expansion or contraction from causing

excessive stress on the piping material.

 • Aunion(C) or flanged connection shall be provided

downstream to permit removal of controls.

 • Amanometerportshouldbeprovided(D). A digital

manometer, P/N 19495, is available at your Briggs &

Stratton service center. When the initial test runs are

completed, the manometer is removed and the port

is plugged. The manometer port permits temporary

installation of a manometer to ensure that the engine

receives the correct fuel pressure to operate efficiently

throughout its operatingrange.

 • Wheretheformationofhydratesoriceisknownto

occur, piping should be protected against freezing. The

termination of hard piping should include a sediment

trap (E) where condensate is not likely to freeze.

 • Aminimumofoneaccessible,approvedmanualshutoff

valve (F) shall be installed in the fuel supply line within

6 ft (180 cm) of the generator.

 • Amanualfuelshut-offvalvelocatedintheinteriorof

the building.

 • Wherelocalconditionsincludeearthquake,

tornado, unstable ground, or flood hazards, special

consideration shall be given to increase strength and

flexibility of piping supports and connections.

 • Pipingmustbeofthecorrectsizetomaintainthe

required supply pressures and volume flow under

varying generator load conditions with all gas

appliances connected to the fuel system turned on

andoperating.

 • Useapipesealantorjointcompoundapprovedfor

use with NG/LPG on all threaded fittings to reduce the

possibility of leakage.

 • Installedpipingmustbeproperlypurgedand

leak tested, in accordance with applicable codes

andstandards.

A Generator Fuel Inlet

B Flexible Fuel Hose

C Union Fitting

D Manometer Test Port

E Sediment Trap

F Manual Shut-off Valve

NOTICE The supplied flexible gaseous pipe is not to be

installed underground or in contact with the ground.

• The entire flexible gaseous pipe must be visible for

periodic inspection and must not be concealed within nor

contact nor run through any wall, floor, or partition.

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.

• LP gas is heavier than air and will settle in low areas.

• Natural gas is lighter than air and will collect in high areas.

• The slightest spark could ignite these fuels and cause

an explosion.

• DO NOT light a cigarette or smoke.

NOT

FOR REPRODUCTION

20 BRIGGSandSTRATTON.COM

Fuel Pipe Sizing

There are numerous on-line or otherwise-published

references for fuel pipe sizing. For example, NFPA 54 -

National Fuel Gas Code, 2006 (Item #: 320-6031-06) is a

common resource. The installer should consider the specific

gravity of gas and compensate for a nominal amount of

restriction from bends, fittings, etc. If an unusual number of

fittings, bends, or other restrictions are used, refer to federal

and local codes for guidance.

Fuel Conversion

The unit is shipped from the factory calibrated for NG

operation. To convert the engine from NG to LP vapor, follow

these steps:

1. Set generator circuit breaker to OFF.

2. Set control panel system switch to OFF.

3. Remove 15 Amp fuse from system control panel.

4. Locate the fuel selector switch (A) . Using a 6 mm

Allen wrench, turn the selector switch to either

LP or NG.

5. Reinstall 15 Amp fuse in system control panel.

6. Set exercise timer.

Fuel Pressure

Both LP vapor and natural gas fuel supply pressure at the

generator’s fuel inlet port should be between 7 to 11 inches

(18 to 28 cm) of water (in. W.C.) at full load with all gas

appliances turned on and operating. Maximum pressure with

engine OFF at No Load is 13.85 psi.

Power Loss

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 m) above sea level and 1% for each

10° F (5.6°C) above 77°F (25°C). Generators located in these

conditions must have their transfer switch programmed

appropriately for this power decrease.

Fuel Consumption

Estimated fuel supply requirements at half and full load for

natural gas and LP vapor fuels are shown here.

Natural Gas LP Vapor

1/2 Load Full Load 1/2 Load Full Load

48kW 429 C 717 C 185 C 314 C

429,000 B 717,000 B 462,500 B 785,000 B

C = Cubic feet per hour

B = BTU’s per hour

Physical Properties LP Vapor Natural

Gas

Normal Atmospheric State Gas Gas

Boiling Point (in °F):

Initial

End

-44

-259

Heating Value:

BTU per gallon (Net LHV*)

BTU per gallon (gross**)

Cubic feet (gas)

83,340

91,547

2,500

63,310

1,000

Density*** 36.39 57.75

Weight† 4.24 2.65

Octane Number:

Research

Motor

110+

* LHV (Low Heat Value) is the more realistic rating.

** Gross heat value does not consider heat lost in the form of water

during combustion.

*** Densityisgivenin“CubicFeetofGasperGallonofLiquid”.

† Weightisgivenin“PoundsperGallonofLiquid”.

NOT

FOR REPRODUCTION

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