Simplicity 076351-02 Manuel utilisateur

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Installation and Operation Manual

29kW 40kW 50kW (50 Hz)

35kW 48kW 60kW (60 Hz)

Single Phase and Three Phase

Liquid-Cooled Standby Generator System

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

assemblies) and CSA (Canadian Standards Association) standard C22.2 No. 100-14 (motors and generators).

80022439USCN

Revision E

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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 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.

Save these instructions for future reference.

This generator system requires professional installation before use. The installer should follow the installation 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

authorized service dealers worldwide that provide quality service. You can also contact Technical Service by phone at

800-732-2989 between 8:00 AM and 5:00 PM central time or click on Dealer Locator at www.briggsandstratton.com, which

provides a list of authorized dealers.

For Future Reference

Please fill out the information below and keep with your receipt. Have this information at hand if it becomes necessary to

contact your installer or authorized dealer regarding service or repair of the unit.

DATE OF PURCHASE

GENERATOR

Model Number

Serial Number

Model Number

Model Revision

Serial Number

ENGINE

WARNING

This product can expose you to chemicals

including used engine oil, which is known to the State

of California to cause cancer, and carbon monoxide,

which is known to the State of California to cause

birth defects or other reproductive harm. For more

information go to www.P65Warnings.ca.gov.

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Table Of Contents

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

General Information..............................7

Equipment Description .................................... 7

Before Installation ........................................ 7

Installer Responsibilities ................................... 7

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

Installation Factors to Consider ............................. 8

Delivery Inspection ....................................... 8

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

The installation location of the generator has a direct effect on: ... 8

Installation .....................................9

TO REDUCE THE RISK OF CARBON MONOXIDE POISONING 9

Standby Generator ...................................... 10

TO REDUCE THE RISK OF FIRE .......................... 11

Other Location Requirements.............................. 12

Electrical and Fuel Inlet Locations .......................... 12

Concrete Slab .......................................... 12

Lifting the Generator ..................................... 13

Planning the Fuel Installation.....................14

Fuel Pipe Sizing......................................... 14

Type of Fuel to Use ...................................... 15

Fuel Conversion......................................... 15

Fuel Pressure........................................... 15

Power Loss ............................................ 15

Fuel Consumption (50Hz)................................. 16

Fuel Consumption (60Hz)................................. 16

Power Connections ...................................... 17

Customer Connections - Interconnect/Control ......18

Briggs & Stratton Controller Applications - 1-Ø & 3-Ø .......... 18

Intelinano Controller Applications - 3-Ø...................... 19

Intelilite Controller Applications - 1-Ø & 3-Ø .................. 20

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

Final Installation Considerations ........................... 21

Fuel Supply System...................................... 21

Initial Start-up (No Load).................................. 22

Features and Controls...........................23

Access Panels .......................................... 23

Component Locations .................................... 24

Maintenance ...................................25

Cleaning the Generator................................... 25

Electrical System Maintenance ............................ 26

Exhaust System Maintenance ............................. 26

Troubleshooting................................27

Generator Specifications (60Hz & 50Hz) ...........28

Wiring Diagrams................................29

35kW to 60kW - 1 Phase, 60Hz ............................ 30

29kW, to 50kW - 1 Phase, 50Hz ........................... 32

29kW to 60kW - 3 Phase, Intelinano, 50/60Hz ................ 34

35kW to 60kW - 1 Phase, Intelilite, 60Hz .................... 36

35kW to 60kW - 3 Phase, Intelilite, 60Hz .................... 38

35kW to 60kW - 600V, Intelilite, 60Hz ....................... 40

Wiring Schematics..............................42

Engine - 3.0L ........................................... 42

Engine - 4.3L ........................................... 44

Engine - 5.7L ........................................... 46

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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 anticipate every 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.

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

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.

Explosion

Fire

Electrical Shock

Rotating Parts

Hot Surface

Toxic Fumes

Chemical BurnExplosive PressureAuto Start

Crush and Cut

Hazard

Moving Parts

Read Manual

WARNING

Before using this product, read this

manual and follow all Safety Rules

and Operating Instructions.

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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.

• 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.

• 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

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,

stop the generator and disconnect the negative (-)

cable at the battery.

• After your system is installed, the generator may crank

and start without warning any time there is a power

failure.

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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 unusual noises.

NOTICE

Exceeding the generator wattage/amperage

capacity could damage the generator and/or electrical

devices connected to it. Start generator and let engine

stabilize before connecting electrical loads.

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, always stop the generator and

disconnect the negative (-) cable at the battery.

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General Information

For most applications, the Installation and Operation Manual

contains all the information required to properly install,

operate, and maintain the generator.

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.

Ensure that this manual is given to the owner after the

installation has been completed.

Equipment Description

This product is intended only for use as an optional

generator system to provide 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 Only models equipped with the DSE7310 or

ComAp Intelilite controller may qualify for a legally required

standby system as defined by NFPA 70 (NEC). For complete

information on these types of installations, consult NFPA 70

and NFPA 110.

• 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.

Before Installation

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.

In some areas you may need electrical permits for installing

the generator, building permits for intalling gas lines, and

permits for noise allowances. The installer should check local

codes and obtain the necessary permits before installing the

system.

The generator warranty is VOID unless the system is

installed by licensed electrical and plumbing professionals.

Installer Responsibilities

• Read and observe the safety instructions.

• Install only a UL-approved transfer switch that is

compatible with the generator.

• Read and follow the instructions in this installation and

operation manual.

• Installation must strictly comply with all applicable

codes, industry standards, laws, and regulations.

• Allow sufficient room on all sides of the generator for

maintenance and servicing.

Owner Responsibilities

• Read and follow the instructions in this installation and

operation manual.

• Follow a regular schedule for maintaining and using

the generator, as specified in this manual.

• Carbon monoxide detector(s) MUST be installed and

maintained indoors according to the manufacturer’s

instructions and recommendations. Smoke alarms

cannot detect carbon monoxide gas.

• Smoke detector(s) MUST be installed and maintained

indoors according to the manufacturer’s instructions

and recommendations. Carbon monoxide alarms

cannot detect smoke.

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Installation Factors to Consider

The illustrations shown in this manual are for typical

circumstances. They are meant to familiarize you with the

installation options available for the generator.

Federal and local codes, appearance, noise levels, fuel

types, and distances are installation factors that must be

considered. Remember that, as the distance increases

from the existing electrical service and gaseous fuel supply,

and the number of bends in the fuel supply increases,

compensations must be made for piping and wiring

materials. 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 effect on the

overall price of the generator installation.

Delivery Inspection

Avoid damage from dropping, bumping, or collision with

the shipping carton. Carefully inspect the generator for any

damage that may have occurred during shipment.

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

person(s) making delivery note the loss or damage on the

freight bill and affix his signature under the consignor’s

memo of loss or damage. If the 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.

The standby generator system is supplied with:

• Fully-serviced coolant system

• Fully-serviced oil/lubricating system

• Flexible fuel hook-up hose

• Installation and Operation Manual

• Spare access door keys

• Touch up paint

Not Supplied:

• Carbon monoxide detector(s)

• Smoke detector(s)

• Starting battery

• Reinforced concrete pad

• Connecting wire and conduit

• Fuel supply valves/plumbing

• Crane, lifting straps, chains or cables, spreader bar

• Voltage/frequency meter

• Various special tools or equipment

Generator Location Considerations

The installation location of the generator has a direct effect

on:

1. The amount of plumbing required to fuel the generator.

2. The amount of wiring required to control and connect

the generator.

3. The safety of the installation regarding exhaust gas and

carbon monoxide hazards, fire risks, proximity to other

utilities, and exposure to weather elements.

Specific location guidelines are discussed in the next

section. The owner and installer should consult one another

to determine how the site might affect installation costs and

compliance with local codes and standards.

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C

B

Installation

Before deciding on the final placement of the generator, the owner and installer must discuss and understand several

location guidelines. There are two critical safety concerns to be addressed - carbon monoxide poisoning and the risk of fire,

as follows:

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

and recommendations. Smoke alarms cannot detect carbon

monoxide gas.

WARNING

Exhaust heat or gases could ignite

combustibles or structures resulting in death or

serious injury.

• Exhaust outlet end of standby enclosure must be at

least 5 ft (1.5 m) from any structure, shrubs, trees or

any kind of vegetation.

• Standby 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 enclosure must have at least 5 feet (1.5 m)

overhead clearance from any structure, overhang, or trees.

• DO NOT place standby enclosure under a deck or

other type of structure that may confine airflow.

• Smoke detectors MUST be installed and maintained

indoors according to the manufacturer’s instructions

and recommendations. Carbon monoxide alarms

cannot detect smoke.

TO REDUCE THE RISK OF CARBON MONOXIDE POISONING

Follow the installation requirements listed below. The figure below illustrates potential points of entry for carbon monoxide

gas.

Ensure that generator exhaust gas is kept away from:

• Overhead doors (B, shown above)

• Entrance doors (C, shown above)

• Windows (not shown)

• Other openings that could allow exhaust gas to enter

inside or be drawn into a potentially occupied building

or structure.

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All fossil fuel burning products, such as standby

generators, emit 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. It is required that the

following be included as part of the installation:

• Install the generator outdoors in an area that

will not accumulate deadly exhaust gas.

• DO NOT install the generator where exhaust

gas could accumulate and enter inside or be

drawn into a potentially occupied building or

structure.

• Nearby structures may be exposed to the engine

exhaust from the unit and must be considered

when installing the standby generator.

• Wind and air currents should be taken into

consideration when positioning the generator.

Place the generator in an area where winds will

carry the exhaust gas away from any potentially

occupied building or structure.

• DO NOT place the standby generator in any area

where leaves or debris normally accumulate.

• By law, many states require a fully operating

Carbon Monoxide (CO) detector in homes

and other structures occupied by people.

Carbon monoxide detectors MUST be

installed and maintained indoors according

to the manufacturer’s instructions and

recommendations. A carbon monoxide detector

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

a visual indicator light and sounding an alarm.

Smoke alarms cannot detect CO gas.

• Direct the standby generator exhaust (A, shown

below) 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.

The engine exhaust exits the top of the housing (A).

A

Standby

Generator

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A

B

C

TO REDUCE THE RISK OF FIRE

Follow the installation requirements listed below. The figures below illustrate the minimum distances from structures and

vegetation 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 following generator

placement requirements are based on compliance to NFPA 37.

5 ft (1.5 m) min.

Standby

5 ft (1.5 m) min.

Exhaust

B

A

5 ft (1.5 m) min.

Standby

5 ft (1.5 m) min.

Exhaust

A

B

5 ft (1.5 m) min.

Standby

5 ft (1.5 m) min.

Exhaust

B

A

A Standby 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.

B Exhaust outlet end of standby enclosure must

be at least 5 ft (1.5 m) from any structure,

shrubs, trees, or any kind of vegetation.

C Standby enclosure must have at least 5 feet

(1.5 m) overhead clearance from any structure,

overhang, or trees.

DO NOT place standby 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

B

A

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Other Location Requirements

• 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, or enter any

air inlet or outlet openings.

• Install the standby generator where it will not affect

or obstruct any utility services (including covered,

concealed, and underground), such as telephone,

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

conditioning, cable, septic, sewer, well, etc.

• 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, a windbreak may be needed to protect the

unit.

Electrical and Fuel Inlet Locations

A through-slab power cable stub-up is recommended. The

fuel inlet connector (A) is shown for reference.

Concrete Slab

The generator must be installed on a reinforced concrete

slab, constructed as follows:

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

• Minimum 5” (13 cm) thick

• Minimum 6” (15 cm) wider than the standby enclosure

on all sides

• Strengthen slab with No. 6 reinforcing bars on 12” (30.5

cm) centers or 8 ga. steel wire fabric with 6” (15 cm)

centers

• Avoid placing reinforcement in the entrance stub-up

area

The following dimensions will be needed to properly size and

configure the slab. Refer to figure at right:

A - Enclosure dimensions

• 29/35kW (3.0L) = 82” (208 cm) long x 37” (94 cm) wide

• 29/35kW (4.3L) = 88” (224 cm) long x 37” (94 cm) wide

• 40/48kW = 88” (224 cm) long x 37” (94 cm) wide

• 50/60kW = 96” (244 cm) long x 37” (94 cm) wide

B - Generator mounting holes

• 29/35kW (3.0L) = 75.5” (192 cm) long x 34.25” (87 cm)

wide

• 29/35kW (4.3L) = 85” (216 cm) long x 34.25” (87 cm)

wide

• 40/48kW = 85” (216 cm) long x 34.25” (87 cm) wide

• 50/60kW = 94” (239 cm) long x 34.25” (87 cm) wide

C - Fuel inlet location

• 29/35kW (3.0L) = 40.75” (104 cm)

• 29/35kW (4.3L) = 45.5” (116 cm)

• 40/48kW = 45.5” (116 cm)

• 50/60kW = 52” (132 cm)

D - Entrance stub-up area

• 29/35kW (3.0L) = 9.25” (23 cm) long x 5.25” (13 cm)

wide

• 29/35kW (4.3L) = 10.5” (27 cm) long x 6.75” (17 cm)

wide

• 40/48kW = 10.5” (27 cm) long x 6.75” (17 cm) wide

• 50/60kW = 6.0” (15 cm) long x 5.25” (13 cm) wide

D1 x D2 - Entrance stub-up location

• 29/35kW (3.0L) = 6.0” (15 cm) x 7.75” (20 cm)

• 29/35kW (4.3L) = 8.5” (22 cm) x 7.75” (20 cm)

• 40/48kW = 8.5” (22 cm) x 7.75” (20 cm)

• 50/60kW = 16.0” (41 cm) x 7.0” (18 cm)

A

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A - Standby generator enclosure

B - Mounting holes in generator base

C - Fuel inlet location

D - Entrance stub-up area

D1 x D2 - Entrance stub-up location

E - Exhaust outlet area reference

F - Concrete slab reference

WARNING

Hazardous Voltage - Contact with power lines

could cause electric shock or burns, resulting in

death or 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.

Lifting the Generator

Attach the generator to the slab at the four corner locations

(B) with masonry anchors as required by local code.

B

D

C

F

E

A

B

D2

D

D1

D

C

B

Proper tools, equipment, and qualified personnel should be

used in all phases of handling and moving the generator.

The approximate weight of the generator is listed in the

Generator Specifications section.

Use the lifting holes (G) in the base of the generator to lift

the generator onto the concrete pad. Lift the generator in

accordance with OSHA or local lifting regulations. Retouch

any chipped paint with supplied touch-up paint.

G

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Planning the Fuel Installation

The information provided below is intended to assist

gaseous fuel system technicians in planning installations.

State and local codes may override some of these

recommendations. Consult with the local fuel supplier or fire

marshall if clarification is needed.

WARNING

Propane

and Natural Gas are extremely

flammable and explosive, which could cause

burns, fire or explosion resulting in death or

serious injury.

• 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.

• 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.

• 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/LP 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.

The owner and installer should consult one another to review

any changes to the installation plan that might arise when

applying the following guidelines for fuel plumbing.

• The piping material must conform to federal and local

codes, be rigidly mounted, and be 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 a flexible hose (B, at right) between the

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

prevent thermal expansion and contraction from

causing excessive stress on the piping material.

NOTICE

The flexible fuel pipe is not to be installed

underground or in contact with the ground. The entire flexible

pipe must be visible for periodic inspection.

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

downstream to permit removal of controls.

• A manometer test port (D) should be installed for

vapor fuels. The port permits temporary installation

of a manometer to check whether the engine is

receiving the correct fuel pressure to operate efficiently

throughout its operating range. A digital manometer

(P/N 19495) is available at your service center for

vapor fuels only. For liquid propane any pressure

measurement instrument rated for liquid propane and

350 psi can be used. When the initial test runs are

completed, the manometer is removed and the port is

plugged.

• For vapor fuels only: 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

B

C

D

E

F

A - Generator Fuel Inlet

B - Flexible Fuel Hose

C - Union Fitting

D - Manometer Test Port

E - Sediment Trap (Vapor Fuels Only)

F - Manual Shut-off Valve

Fuel Pipe Sizing

NFPA 54 and 58 are common resources. The installer

should consider the specific gravity of gas, compensate for

a nominal amount of restriction from bends and fittings, and

refer to federal and local codes for guidance.

Not for

Reproduction

15

Fuel Conversion

The engine was set at the factory to run on natural gas (NG).

To convert the engine to run on liquid propane (LP Vapor), or

to change back to NG later, follow these steps:

1. Open the controller door.

2. Locate fuel selector switch on side of circuit breaker

enclosure.

3. Move the switch (A, below) to LP or NG.

4. Close the controller door.

A

WARNING

Fuel is extremely flammable and explosive,

which could cause burns, fire or explosion resulting in death

or serious injury.

• The generator is equipped with automatic safety gas

“fuel shut-off” valves.

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

valves are missing or inoperative.

Type of Fuel to Use

An important consideration affecting the entire

installation is the type of fuel to be supplied. For

proper engine function, use clean, dry fuel, free of

moisture or any particulate material. Using fuels

outside the recommended values may cause

performance problems.

Fuel Pressure

Fuel supply pressure at the generator fuel inlet port (or

vaporizer test port) should be 7 - 11 inch WC (17 - 28 mBar) at

full load and with all gas appliances turned on and operating.

Maximum pressure drop from static (engine not running) to

full load is 0.5 inch WC (1.3 mbar). Maximum pressure with

engine OFF at no load is 13.85 inch WC (34.5 mbar). Liquid

propane fuel pressure at generator inlet should be 100-250

psi (690-1725 kPa).

Power Loss

Engine power will decrease:

• 1.5% for every 10°F (5.6°C) above rated temperature

of 77°F (25°C).

• 2.5% for every 1,000 ft (305 m) above rated altitude of

1,200 ft (366 m) above sea level.

Physical Properties LP Vapor Natural Gas

Normal Atmospheric State Gas Gas

Boiling Point (°F): -44 -259

Heating Value:

BTU per gallon (Net LHV *)

BTU per gallon (gross **)

BTU per cubic feet (gas)

83,340

91,547

2,500

63,310

1,000

Density *** 36.39 57.75

Weight † 4.24 2.65

* 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

16 BRIGGSandSTRATTON.COM

Fuel Consumption (50Hz)

Shown below are the estimated fuel supply requirements.

Fuel Consumption (60Hz)

Shown below are the estimated fuel supply requirements.

Series 29000 (3.0L) LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 365000 230000 70000

ft³/hr 146 92 28

m³/hr 4.2 2.6 0.8

Gal/hr (liquid) 4.0 2.6 0.8

Series 35000 (3.0L) LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 371000 241000 130000

ft³/hr 149 97 52

m³/hr 4.2 2.8 1.5

Gal/hr (liquid) 4.1 2.7 1.5

Series 29000 (3.0L) NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 286000 179000 89000

ft³/hr 286 179 89

m³/hr 8.1 5.1 2.6

Series 35000 (3.0L) NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 336000 215000 108000

ft³/hr 336 215 108

m³/hr 9.5 6.1 3.1

Series 29000 (4.3L) LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 349000 225000 106000

ft³/hr 140 90 43

m³/hr 4.0 2.6 1.2

Gal/hr (liquid) 3.9 2.5 1.2

Series 35000 (4.3L) LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 409000 262000 137000

ft³/hr 164 105 55

m³/hr 4.7 3.0 1.6

Gal/hr (liquid) 4.5 2.9 1.5

Series 29000 (4.3L) NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 356000 222000 120000

ft³/hr 356 222 120

m³/hr 10.1 6.3 3.4

Series 35000 (4.3L) NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 405000 258000 146000

ft³/hr 405 258 146

m³/hr 11.5 7.3 4.2

Series 40000 (4.3L) NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 428000 256000 118000

ft³/hr 428 256 118

m³/hr 12.2 7.3 3.4

Series 48000 (4.3L) NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 511000 328000 181000

ft³/hr 511 328 181

m³/hr 14.5 9.3 5.2

Series 40000 (4.3L) LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 682500 470000 183750

ft³/hr 273 188 74

m³/hr 7.7 5.3 2.1

Gal/hr (liquid) 7.5 5.1 2.0

Series 48000 (4.3L) LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 533000 337000 165000

ft³/hr 214 135 66

m³/hr 6.1 3.9 1.9

Gal/hr (liquid) 5.9 3.7 1.9

Series 50000 (5.7L) LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 729000 500000 198000

ft³/hr 292 200 80

m³/hr 8.3 5.7 2.3

Gal/hr (liquid) 8.0 5.5 2.2

Series 60000 (5.7L) LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 875000 644000 264000

ft³/hr 350 258 106

m³/hr 10.0 7.3 3.0

Gal/hr (liquid) 9.6 7.1 2.9

Series 50000 (5.7L) NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 669000 462000 213000

ft³/hr 669 462 213

m³/hr 19.0 13.1 6.1

Series 60000 (5.7L) NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 753000 561000 264000

ft³/hr 753 561 264

m³/hr 21.4 15.9 7.5

Not for

Reproduction

17

Power Connections

Compare this illustration with the generator to familiarize yourself with the location of these connections.

B

C

A A

A - Power Connection - Power connection to transfer switch.

B - Neutral Connection - Connect to transfer switch neutral.

C - Ground Connection - Connect to transfer switch ground.

Ground the generator per applicable codes, standards, and

regulations. There are two generator GND lug locations.

The location shown by (C, above) should suffice for most

applications. The second generator GND lug is located on the

frame. This should ONLY be used for a ground rod located at

the generator, if required by local codes.

For system connections such as remote start, e-stops, and

controller inputs and outputs, refer to the connection diagrams

on the following pages.

• For power output connection, use 75°C (167°F) wire

rated for ambient temperature of 40°C (104°F) per NEC

Tables 310.15(B)(16) and 310.15(B)(2)(a).

• For utility circuit connection, use #14 AWG minimum 600

volt, 167-194°F (75-90°C) wire.

• For transfer switch communication, use #18 AWG

twisted pair conductors, no greater than 200 ft (60 m) in

length, 600 volt, 167-194°F (75-90°C) wire.

Not for

Reproduction

18 BRIGGSandSTRATTON.COM

Generator Circuit Breaker

Voltage

- Phase -

Frequency

230V - 1Ø - 50Hz 120/240V - 1Ø - 60Hz 120/208V - 3Ø Wye - 60Hz 120/240V - 3Ø Delta - 60Hz

Power

Node

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

20/25kW 90A 125A Cu/Al: #2 - 300kcmil 90A Cu: #6 - 2/0 Al: #4 - 2/0 80A Cu/Al: #3 - 500kcmil

25/30kW 125A Cu/Al: #2 - 300kcmil 150A Cu/Al: #2 - 300kcmil 110A Cu: #3 - 3/0 Al: #1 - 3/0 90A Cu: #6 - 2/0 Al: #4 - 2/0

29/35kW 150A Cu/Al: #2 - 300kcmil 150A Cu/Al: #2 - 300kcmil

40/48kW 175A Cu/Al: #2 - 300kcmil 200A Cu/Al: #2 - 300kcmil

50/60kW 225A Cu/Al: #2 - 300kcmil 300A Cu/Al: #6 - 600kcmil

Briggs & Stratton Controller Applications - 1-Ø & 3-Ø

Customer Connections - Interconnect/Control

Not for

Reproduction

19

Generator Circuit Breaker

Voltage

- Phase -

Frequency

120/208V - 3Ø Wye - 60 Hz 120/240V - 3Ø Delta - 60Hz 220/380V - 3Ø Wye - 50Hz 240/416V - 3Ø Wye - 60Hz 277/480V - 3Ø Wye - 60Hz

Power

Node

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

20/25kW 40A Cu: #14 - #3 Al: #12 - #1 40A Cu: #14 - #3 Al: #12 - #1 40A Cu: #14 - #3 Al: #12 - #1

25/30kW 50A Cu: #14 - #3 Al: #12 - #1 50A Cu: #14 - #3 Al: #12 - #1 50A Cu: #14 - #3 Al: #12 - #1

29/35kW 125A Cu/Al: #4 - 300kcmil 110A Cu/Al: #4 - 300kcmil 60A Cu: #14 - #3 Al: #12 - #1 70A Cu: #6 - 2/0 Al: #4 - 2/0 60A Cu: #14 - #3 Al: #12 - #1

40/48kW 200A Cu/Al: #4 - 300kcmil 175A Cu/Al: #4 - 300kcmil 100A Cu: #3 - 3/0 Al: #1 - 3/0 100A Cu: #3 - 3/0 Al: #1 - 3/0 90A Cu: #6 - 2/0 Al: #4 - 2/0

50/60kW 225A Cu/Al: #4 - 300kcmil 200A Cu/Al: #4 - 300kcmil 100A Cu/Al: #4 - 300kcmil 125A Cu/Al: #4 - 300kcmil 100A Cu: #3 - 3/0 Al: #1 - 3/0

Intelinano Controller Applications - 3-Ø

Not for

Reproduction

20 BRIGGSandSTRATTON.COM

Generator Circuit Breaker

Voltage

- Phase -

Frequency

120/240V - 1Ø - 60Hz 120/208V - 3Ø Wye - 60Hz 120/240V - 3Ø Delta - 60Hz 220/380V - 3Ø Wye - 50Hz

Power

Node

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

20/25kW 150A Cu/Al: #2 - 300kcmil 125A Cu/Al: #4 - 300kcmil 110A Cu/Al: #4 - 300kcmil 60A Cu: #6 - 2/0 Al: #4 - 2/0

25/30kW 225A Cu/Al: #2 - 300kcmil 200A Cu/Al: #4 - 300kcmil 175A Cu/Al: #4 - 300kcmil 100A Cu: #3 - 3/0 Al: #1 - 3/0

29/35kW 300A Cu/Al: #6 - 600kcmil 225A Cu/Al: #4 - 300kcmil 200A Cu/Al: #4 - 300kcmil 125A Cu/Al: #4 - 300kcmil

Generator Circuit Breaker

Voltage

- Phase -

Frequency

240/416V - 3Ø Wye - 60Hz 277/480V - 3Ø Wye - 60Hz 347/600V - 3Ø Wye - 60Hz

Power

Node

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

Breaker

Ampacity

Lug Wire Range

20/25kW 70A Cu: #6 - 2/0 Al: #4 - 2/0 60A Cu: #14 - #3 Al: #12 - #1 45A Cu: #14 - #3 Al: #12 - #1

25/30kW 100A Cu: #3 - 3/0 Al: #1 - 3/0 90A Cu: #6 - 2/0 Al: #4 - 2/0 70A Cu: #6 - 2/0 Al: #4 - 2/0

29/35kW 125A Cu/Al: #4 - 300kcmil 100A Cu: #3 - 3/0 Al: #1 - 3/0 90A Cu: #6 - 2/0 Al: #4 - 2/0

Intelilite Controller Applications - 1-Ø & 3-Ø

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Simplicity 076351-02 Manuel utilisateur

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