Briggs & Stratton 45000 Manuel utilisateur

Marque: Briggs & Stratton

Modèle: 45000

Catégorie: Groupes électrogènes

Taper: Manuel utilisateur

Ce manuel convient également à

Installation & Start-Up Manual

45000 Series

Liquid-Cooled

Home Generator System

Manual No. 205049GS Rev. - (01/28/2008)

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

confidence in the Briggs & Stratton brand. When operated and maintained according to the instructions in the operator’s

manual, your Briggs & Stratton home generator will provide many years of dependable service.

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

and how to avoid them. This home generator system is designed and intended only for use as an optional home standby

system that 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. This product

is not intended for any other purpose and does not qualify for emergency standby as defined by NFPA 70 (NEC).

This home generator requires professional installation before use. This installation manual provides full information. Follow

the instructions completely. Save these instructions for future reference.

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 Briggs & Stratton Customer Service by phone at (800) 743-4115, or use the Service Center Locator at

BRIGGSandSTRATTON.COM, which provides a list of Briggs & Stratton Authorized Dealers.

Date of Purchase

Generator

Model Number

Model Revision

Serial Number

Engine

Model Number

Serial Number

Briggs & Stratton Power Products Group, LLC

900 North Parkway

Jefferson, WI 53549

transmitted in any form by any means without the express written

permission of Briggs & Stratton Power Products Group, LLC.

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Table of Contents

Safety Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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

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

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

Shipment Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

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

Access Doors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

The Gaseous Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

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

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

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

Utility Circuit Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

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

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

Fuel Supply System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

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

Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Schematic / Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Automatic Operation Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Setting Exercise Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Installation Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4 BRIGGSandSTRATTON.COM

Safety Rules

The safety alert symbol ( ) is used with a signal word

(DANGER, CAUTION, WARNING), a pictorial and/or a safety

message to alert you to hazards. 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, might result in minor or moderate

injury. NOTICE indicates a situation that could result in

equipment damage. Follow safety messages to avoid or

reduce the risk of injury or death.

This manual contains installation, startup and adjustment

instructions for a home generator that supplies 120/240 Volt,

single phase, 60Hz devices. The home generator may be

operated on LP vapor or natural gas fuel. Separate engine

and generator operator’s manuals are supplied that contain

operating and maintenance instructions for this system.

Every effort has been made to ensure that the information

in this manual is both accurate and current. However, the

manufacturer reserves the right to change, alter or otherwise

improve the system at any time without prior notice.

Hazard Symbols and Meanings

WARNING

Storage batteries give off explosive hydrogen

gas during recharging.

Slightest spark will ignite hydrogen and cause

explosion.

Battery electrolyte fluid contains acid and is

extremely caustic.

Contact with battery contents will 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.

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, and rubber

gloves.

Remove watches, rings, or other metal objects.

Use tools with insulated handles.

•

WARNING

Running engine gives off carbon monoxide, an

odorless, colorless, poison gas.

Breathing carbon monoxide can cause

headache, fatigue, dizziness, vomiting,

confusion, seizures, nausea, fainting or death.

Operate generator ONLY outdoors.

Install a battery operated carbon monoxide alarm near

the bedrooms.

Keep exhaust gas from entering a confined area through

windows, doors, ventilation intakes, or other openings.

•

WARNING

The engine exhaust from this product contains chemicals

known to the State of California to cause cancer, birth

defects, or other reproductive harm.

Save These Instructions

Explosion

Fire

Electrical Shock

Rotating Parts

Hot Surface

Toxic Fumes

Chemical BurnExplosive PressureAuto Start

Lift Hazard

Read Manual

WARNING

Generator produces hazardous voltage.

Failure to properly ground generator can result

in electrocution.

Failure to isolate generator from power utility

can result in death or injury to electric utility

workers due to backfeed of electrical energy.

When using generator for backup power, notify utility

company.

DO NOT touch bare wires or receptacles.

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 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 home generator, operating

this equipment imprudently, neglecting its maintenance

or being careless can 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 home generator 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 AND remove the

15 Amp fuse BEFORE working on the equipment.

•

WARNING

Propane and Natural Gas are extremely

flammable and explosive.

Fire or explosion can cause severe burns or

death.

Install the fuel supply system according to applicable

fuel-gas codes.

Before placing the home 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

Hazardous Voltage

Contact with power lines can cause electric

shock or burn.

Lifting Hazard / Heavy Object

Can cause muscle strain or back injury.

DO NOT contact any power lines when using required

lifting/hoisting equipment.

DO NOT lift or move generator without assistance.

Use lifting pipes or straps as described in Lifting the

Generator. The unit may shift during movement, which

can cause injury.

DO NOT lift unit by roof as damage to generator will

occur.

•

6 BRIGGSandSTRATTON.COM

WARNING

Contact with muffler area can result in serious

burns.

Exhaust heat/gases can ignite combustibles or

structures causing a fire.

DO NOT touch hot parts and AVOID hot exhaust gases.

Allow equipment to cool before touching.

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

from any combustibles or structures with combustible

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

Code of Federal Regulation (CFR) Title 36 Parks, Forests,

and Public Property require equipment powered by an

internal combustion engine to have a spark arrester,

maintained in effective working order, complying to

USDA Forest service standard 5100-1C or later revision.

In the State of California a spark arrester is required

under section 4442 of the California Public resources

code. Other states may have similar laws.

•

WARNING

Starter and other rotating parts can entangle

hands, hair, clothing, or accessories.

NEVER operate generator without protective housing or

covers.

DO NOT wear loose clothing, jewelry or anything that

may be caught in the starter or other rotating parts.

Tie up long hair and remove jewelry.

•

CAUTION

Excessively high operating speeds increase risk of injury

and damage to generator.

Excessively low speeds impose a heavy load.

DO NOT tamper with governed speed. Generator supplies

correct rated frequency and voltage when running at

governed speed.

DO NOT modify generator in any way.

•

NOTICE

Exceeding generators wattage/amperage capacity can

damage generator and/or electrical devices connected to

it.

See Essential Circuits in Operator’s manual.

Start generator and let engine stabilize before connecting

electrical loads.

•

NOTICE

Improper treatment of generator can damage it and

shorten its life.

Use generator only for intended uses.

If you have questions about intended use, ask dealer or

contact Briggs and Stratton.

Operate generator only on level surfaces.

Adequate, unobstructed flow of cooling and ventilating

air is critical to correct generator operation.

The Coolant Fill, Battery and Control Panel doors must be

installed whenever the unit is running.

DO NOT expose generator to excessive moisture, dust,

dirt, or corrosive vapors.

Despite the safe design of the home generator, operating

this equipment imprudently, neglecting its maintenance or

being careless can cause possible injury or death.

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 can 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.

•

Installation

Equipment Description

This product is intended for use as an optional home

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. This product does not qualify

for emergency standby as defined by NFPA 70 (NEC).

Customer Responsibilities

• Read and follow the instructions given in the Operator’s

Manual, especially the section regarding selecting

essential circuits.

• Follow a regular schedule in maintaining, caring for

and using your home generator, as specified in the

Operator’s Manual.

Installer Responsibilities

• Read and observe the safety rules.

• Install only an UL approved transfer switches that is

compatible with the home generator.

• Read and follow the instructions given in this

Installation and Start-up Manual.

IMPORTANT: The system is equipped with a 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 home

generator for any damage that may have occurred during

shipment.

IMPORTANT: 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 home generator system is supplied with:

• Home generator

• Fully-serviced coolant system

• Fully-serviced oil/lubricating system

• UL569/CSA8.3-listed flexible fuel hook-up

• Installation and start-up manual

• Operator’s manual

• Engine operator’s manual

• Installation checklist

• Two access door keys

• One spare 15A fuse

• 10 Pole control panel connector

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

Not Supplied:

• 650 CCA starting battery (NOT deep-cycle)

• Connecting wire and conduit

• Fuel supply valves/plumbing

Required Specialty Tools/Equipment

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

• Lifting straps, chains or cables

• Hole punches for 7 ga steel

• Torque screwdriver, 5 to 50 inch-pound range

• Ignition Timing Light

• Air Fuel Ratio Meter (O2 Sensor and Analyzer)

8 BRIGGSandSTRATTON.COM

Home Generator Location

Before installing generator, consult with homeowner and convey

the following guidelines which may affect the desired location.

WARNING

Exhaust heat / gasses can ignite combustibles

or structures causing a fire.

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

from any combustibles or structures with combustible

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

•

Generator Location

Install generator outdoors in an area which 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. Ensure exhaust

gas is kept away from any windows, doors, ventilation intakes

or other openings that can allow exhaust gas to collect in a

confined area. Prevailing winds and air currents should be

taken into consideration when positioning generator.

WARNING

Running engine gives off carbon monoxide, an

odorless, colorless, poison gas.

Breathing carbon monoxide can cause

headache, fatigue, dizziness, vomiting,

confusion, seizures, nausea, fainting, or death.

Operate generator ONLY outdoors.

Install a battery operated carbon monoxide alarm near

the bedrooms.

Keep exhaust gas from entering a confined area through

windows, doors, ventilation intakes, or other openings.

•

General Location Guidelines

• Install the unit outdoors ONLY.

• Place the unit on a prepared concrete slab that is flat,

level, and has provisions for water drainage.

• Install the unit 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 unit where the location of any services such

as phone, electrical, fuel, air conditioning, irrigation,

including covered, concealed and underground services

will not be affected or obstructed.

• Install the unit where air inlet and outlet openings will

not become obstructed by leaves, grass, snow, etc. If

prevailing winds will cause blowing or drifting, you may

need to construct a windbreak to protect the unit.

• Install the generator as close as possible to the transfer

switch and fuel supply to reduce the length of wiring,

conduit, and piping.

IMPORTANT: Laws or local codes may regulate the distance

to the fuel supply.

The Minimum clearances from aerial view of generator (A) to

combustible (C, D) materials is shown below.

• These distances are provided to give generator location

guidance relative ONLY to combustibles, generator

cooling, and maintenance.

• The minimum distances in the figure are as shown.

All four sides of the generator cannot be enclosed

or restricted, even if the minimum distances are

maintained. DO NOT connect (C) to (D)

• A roof cannot be used.

• Exhaust (B) is directed out the top of the generator and

must not be allowed to accumulate.

A Home Standby Generator

B Engine Exhaust (exits vertically from enclosure)

C Combustible Material or Structure with a Fire

Resistance Rating of less than 1 hour.

D Any structure or material. DO NOT connect (C) to (D).

5’ (1.5m)

5’ (1.5m) 5’ (1.5m)

5’ (1.5m)

Concrete Slab

At the appropriate location, construct a concrete slab (28 day

compression strength of 3000 psi (200 MPa)) minimum

5 inches thick and 6 inches wider than the enclosure on

all sides. Strengthen slab with No. 6 reinforcing bars (on

12” centers) or 8 ga. steel wire fabric (6” centers). Avoid

placing reinforcement in entrance stub-up area.

Attach unit to slab with 5/16” diameter (minimum) masonry

anchor bolts long enough to retain the unit.

Electrical and Fuel Inlet Locations

A through-slab power cable stub-up is preferred (see above).

If stub-up’s are not used, (A) indicates the recommended

location for punching holes for attaching power conduit. The

fuel inlet connector (B) is shown for reference.

Lifting the Generator

The generator weighs more than 1,700 pounds. Proper tools,

equipment and qualified personnel should be used in all

phases of handling and moving the generator.

WARNING

Hazardous Voltage

Contact with power lines can cause electric

shock or burn.

Lifting Hazard / Heavy Object

Can cause muscle strain or back injury.

DO NOT contact any power lines when using required

lifting/hoisting equipment.

DO NOT lift or move generator without assistance.

Use lifting pipes or straps as described in Lifting the

Generator. The unit may shift during movement, which

can cause injury.

DO NOT lift unit by roof as damage to generator will

occur.

•

Two 60” lengths of 2” Schedule 40 pipe (B), supplied by the

installer, are required to lift the generator onto cement pad.

Insert pipes through the lifting holes (A) 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.

49”

19”

108”

92”

53”

9.5”

7”

7.38”

34.25”

10.13”

8”

Power Cable

Stub-in

location

Fuel Inlet

Port

Enclosure

Base

Slab Top VIew

Exhaust

Opening

(shown for

reference)

Anchor bolt

position

(4 places)

1” Female NPT

10 BRIGGSandSTRATTON.COM

Access Doors

The home generator is equipped with an enclosure that has

three access doors, as shown above. 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 Exhaust door (shown for reference)

WARNING

Contact with muffler area can result in serious

burns.

DO NOT touch hot parts and AVOID hot exhaust gases.

Allow equipment to cool before touching.

•

The Coolant Fill, Battery and Control Panel doors must be

installed whenever the unit is running.

Each home generator is equipped with two identical keys.

These keys fit the locks that secure the access doors.

To Open an Access Door:

1. Insert key into lock of access door handle you wish to open

and turn one quarter turn counterclockwise. Remove key.

Handle will remain unlocked until you re-lock it.

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

counterclockwise to open.

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

be used for adding coolant or oil.

To Close an Access Door:

1. Close door and turn handle one quarter turn clockwise.

2. Insert key into lock in handle and turn one quarter turn

clockwise. Remove key.

The Gaseous Fuel System

WARNING

Propane and Natural Gas are extremely

flammable and explosive.

Fire or explosion can cause severe burns or

death.

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 can ignite these fuels and cause an

explosion.

DO NOT light a cigarette or smoke.

•

The information provided below is 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 home 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 (supplied) between

the home generator Fuel Inlet port and rigid piping to

prevent thermal expansion or contraction from causing

excessive stress on the piping material.

NOTE: 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.

CAUTION

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,

contact, or run through any wall, floor, or partition.

•

• 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.

WARNING

Propane and Natural Gas are extremely

flammable and explosive.

Fire or explosion can cause severe burns or

death.

Before placing the home generator into service, the fuel

system lines must be properly purged and leak tested.

NO leakage is permitted.

•

Consider the following factors when planning to install the

fuel supply system:

• A minimum of one accessible, approved manual shutoff

valve shall be installed in the fuel supply line within

6 ft (1.8 m) of the home generator. A union or flanged

connection shall be provided downstream from this

valve to permit removal of controls.

• LP gas fuel supply pressure should be 7 to 11 inches

of water (in. W.C.) at full load with all gas appliances

turned on and operating.

• Natural gas fuel supply pressure at the generator’s fuel

inlet port should be between 7 to 11 inches of water

(in. W.C.) at full load with all gas appliances turned on

and operating.

The home generator unit has been factory set to run on

natural gas. The unit can be converted from natural gas to

LP gas or vice versa using two people and special tools. See

Fuel Conversion, later in this manual.

It is recommended that the fuel connection incorporate the

following components:

• A minimum 10 ft. (3 m) section of gas pipe between

the primary fuel regulator and the generator fuel inlet

connection (acts as accumulator for high block loads).

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

the building.

• A manual fuel shut-off valve located outside the

building, just before the generator unit.

• 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 where condensate is not likely to freeze.

• A manometer port should be provided.

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.

NOTE: A digital manometer, P/N 19495, is available at your

Briggs & Stratton service center.

12 BRIGGSandSTRATTON.COM

When the initial test runs are completed, the manometer

is removed and the port is plugged. A typical final fuel

connection assembly is shown here, where (A) is the fuel

supply and (B) goes to the home generator.

Fuel Pipe Sizing

There are numerous on-line or otherwise-published

references for fuel pipe sizing. 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,

please refer to federal and local codes.

Fuel Consumption

Estimated fuel supply requirements at half and full load for

natural gas and LP vapor fuels are shown below.

Natural Gas LP Vapor

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

45kW 483 C 777 C 178 C 297 C

483,000 B 777,000 B 445,000 B 742,000 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”.

System Connectors

LV connections to signal fault contacts, transfer switch communication, remote LED and auxiliary 12VDC power are made to

a removable ten-pin connector plug. Compare this illustration with your generator to familiarize yourself with the location of

these important connections:

A - 10 Pole Connector Plug

B - Fault Contacts — Use NO, COM and NC for operating a

siren, light, optional GenAlert, etc. to alert you in case

of a fault. Contacts reverse state (NO goes to NC and

vice versa) upon a fault condition.

C - Transfer Switch Communication — Connect to transfer

switch control board for communication interface.

D - Remote LED Output — Used to connect to the remote

LED supplied with the generator. The remote LED will

turn on and off in a series of blinks if certain faults are

detected in the generator.

E - +12 Volt DC, .5 Amp Output — Internal auxiliary power

supply.

14 BRIGGSandSTRATTON.COM

Generator AC Connection System

A single-phase, three-wire AC connection system is used in

the home generator. The stator assembly consists of a pair

of stationary windings with two leads brought out of each

winding. The junction of leads T2 and T3 forms the neutral

lead, as shown schematically and as wiring diagram below. A

complete schematic and wiring diagram can be found later in

this manual.

NOTE: Neutral is not bonded to ground at generator.

Grounding the Generator

Ground the home generator per applicable codes, standards

and regulations. There are two generator GND lug locations.

The one inside the alternator junction box next to the

circuit breaker is the primary lug and should meet most

applications. The second generator GND lug is located on the

frame below the generator circuit breaker cover, and should

ONLY be used for a ground rod located at the generator, if

required by local codes. See Controls for location.

Utility Circuit Connection

“240V Utility” leads must be routed in conduit. The

“240V Utility” leads deliver power to the generator’s circuit

board and water heater. This power also charges the battery.

When power on these leads is lost, the generator will start.

Using installer-supplied minimum 300V, 14 AWG copper

wire, connect each ten-amp fuse terminal in the alternator

junction box to the ten-amp fuse terminals in the automatic

transfer switch.

Fault Detection System

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

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

with sensors that automatically shut down the generator in

the event of potentially damaging conditions, such as low

oil pressure, high water temperature, over speed, and other

conditions. Refer to Fault Detection System in the Operator’s

Manual for more detailed information.

The owner will use the remote LED indicator to observe the

status of the home generator system. Consult with the owner

for a convenient location.

To install the remote LED indicator:

1. Push the LED through the mounting plate from the

front until it snaps in place.

IMPORTANT: The LED is polarity sensitive.

2. Using provided 10 pole connector and installer-supplied

minimum 18AWG wire, connect the remote LED to the

generator control board +LED and GND connection.

Use wire nuts to attach wire to LED leads.

3. Attach mounting plate to installer-supplied electrical box.

NOTE: Locate the electrical box in an area visible by the

home owner such as near a garage door opener or security

control panel.

10 A10 A

240 VAC

Control

Board

Water

Heater

To Transfer Switch

Utility Fuse Connection

N G

T4 T1

Circuit

Breaker

Neutral

Line 1 Line 2 Ground

Ground

To Transfer Switch

120 V

240 V

Neutral

Circuit

Breaker

Power Winding

Neutral

To Transfer Switch

Control

Board

Ground

Power Winding

Circuit

Breaker

Line 1

Water

Heater

Neutral

To Transfer Switch

Utility Fuse Connection

Line 2

Ground

Circuit

Breaker

System Control Panel

The home generator control panel, located inside the

generator housing, is shown below.

Brief descriptions of the controls used during installation are:

A Removable Panel — To assist with conduit connection.

B Circuit Breaker — Must be ON to supply power to the

transfer switch.

C Set Exercise Switch — Used to set time of the exercise

cycle.

D Manual Over-Ride Switch — Used to manually start

and stop the generator.

E 15 Amp Fuse — Protects the DC control circuits.

F System Switch — Switches modes to OFF and AUTO.

G Digital Display — Displays running time in hours, and

fault codes.

H Voltage Regulator — Used to adjust generator output

voltage.

More information may be found in Controls in the Operator’s

Manual.

System Switch

This two-position switch is the most important control on

the home generator and is used as follows:

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

a utility power outage is sensed, the system will start

the generator. When utility power is restored, lets the

engine stabilize internal temperatures, shuts off the

generator, and waits for the next utility power outage.

• “OFF” position turns off running generator, prevents

unit from starting and resets any detected faults.

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. If fuse was blown or removed, you will need to reset

the exercise timer (see Setting Exercise Timer).

Final Installation Considerations

Engine Oil

NOTICE

Any attempt to crank or start the engine before it has been

properly serviced with the recommended oil will result in

equipment failure.

Refer to Maintenance and engine manual for oil fill

information.

Damage to equipment resulting from failure to follow this

instruction will void engine and generator warranty.

•

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 engine

operator’s manual.

Coolant System

This engine is shipped from the factory filled with a 50-

50 mix of automotive (Dex-Cool™ orange) anti-freeze and

water. This will provide optimum year round protection

against freezing, boiling and corrosion. The coolant system

incorporates a water heater that operates when ambient

temperature is below 80ºF AND utility power is present at

the transfer switch. Before starting the engine, check coolant

level as described in the engine operator’s manual.

16 BRIGGSandSTRATTON.COM

Battery

The installer must supply a sealed, rechargeable 12 Volt DC,

650 Cold Cranking Amps (CCA) 55 amp hour starting

battery. The battery may not be at full charge when installed.

If battery voltage is below 12 Volts, charge the battery. See

Battery in Maintenance for details.

NOTE: DO NOT use a deep-cycle type battery.

Fuel Supply System

Ensure that all fuel pipe connections are tight, secure and

without leaks.

Ensure that all gas line shutoff valves are OPEN and that

adequate fuel pressure is available whenever automatic

operation is desired.

Initial Start-up (No Load)

Before operating the home generator or placing it into

service, inspect the entire installation carefully.

Then begin testing the system without any electrical loads

connected, as follows:

NOTE: Unit has been set-up for natural gas operation at the

factory. Fuel conversion, if needed, must be completed prior

to performing these steps.

1. Set generator’s main circuit breaker to its ON (closed)

position.

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

3. Set generator’s system switch to AUTO.

4. Push MANUAL OVER-RIDE button on control panel.

NOTE: When the generator is started for the very first time, it

will require that air in the gaseous fuel lines be purged. This

may take a few minutes.

5. DO NOT crank engine for more than 15 seconds, then

pause for 15 seconds to reduce heat in the starter.

6. Repeat process until engine starts.

7. Listen for unusual noises, vibration or other indications

of abnormal operation. Check for oil or coolant leaks

while engine runs.

8. Let engine warm up for about five minutes to allow

internal temperatures to stabilize.

9. Connect an accurate AC voltmeter and a frequency

meter to check generator output at load side of circuit

breaker. No-load voltage should be 239-244 Volts,

frequency should be 59.8 - 60.2 Hz.

NOTE: If AC voltage is outside these ranges, perform the

generator adjustment, Steps 13 and 14 below.

10. Check generator output between one of the generator

connection lugs and the neutral lug, then between the

other generator connection lug and the neutral lug.

In both cases, voltage reading should be between

117-123 Volts.

11. Push and hold MANUAL OVER-RIDE button on control

panel again until engine stops.

IMPORTANT: DO NOT proceed until you are certain that

generator AC voltage is correct and within the stated limits.

Generator frequency is fixed and not adjustable

12. If voltage and frequency values are correct, proceed to

step 15.

13. Connect voltmeter as described in step 9 above.

14. While observing voltmeter, adjust alternator voltage

control (A) for 240 volts. DO NOT adjust either of the

other alternator controls.

15. Install alternator circuit breaker enclosure cover.

16. Close all enclosure access doors.

Fuel Conversion

The unit is shipped from the factory calibrated for NG

operation. To convert the engine from NG to LP vapor

operation, contact customer service at (800) 743-4115.

UNDER-FREQ.

ADJUST

STABILITY

ADJUST

VOLTAGE

ADJUST

Schematic / Wiring Diagram

18 BRIGGSandSTRATTON.COM

Controls

See the Operator’s Manual for complete description of the

home generator controls.

Operation

Automatic Operation Sequence

The generator’s control panel houses a logic control circuit

board. This control board constantly monitors utility power

source voltage. Should that voltage drop below a preset

level, control board action will signal the engine to crank and

start.

When utility source voltage is restored above a preset

voltage level, the engine is signaled to shut down.

The actual system operation is not adjustable and is

sequenced by sensors and timers on the control board, as

follows:

Utility Voltage Dropout Sensor

• This sensor monitors utility source voltage.

• If utility source voltage drops below about 70 percent

of the nominal supply voltage, the sensor energizes a

10 second timer. The timer is used to ‘sense’ brown-

outs.

• Once the timer has expired, the engine will crank and

start.

Utility Voltage Pickup Sensor

This sensor monitors utility power supply voltage. When that

voltage is restored above 80 percent of the nominal source

voltage, a time delay starts timing and the engine will go to

engine cool-down.

Engine Cool-down Timer

• When the load is transferred back to the utility power

source, the engine cool-down timer starts timing.

• The timer will run for about one minute, then the

generator will stop.

• Minimum engine run time is 5 minutes.

Setting Exercise Timer

The home generator is equipped with an exercise timer that

will start and exercise the system once every seven days.

During this exercise period, the unit runs for approximately

20 minutes and then shuts down. Electrical load transfer

DOES NOT occur during the exercise cycle (unless an utility

power outage occurs).

A button on the control panel is labeled “Set Exercise” (see

System Control Panel). The specific day and the specific

time of day this button is pressed is programmed into the

control board memory. This date and time is then used to

automatically initiate the system exercise cycle. The “SET

EXERCISE” legend on the control panel will flash until the set

exercise cycle is set.

To perform the Set Exercise procedure:

1. Choose the day and time you want your home

generator to exercise.

2. On that day and time, press and hold down the “Set

Exercise” button for three seconds.

NOTE: “SET EXERCISE” will flash until the button is pressed

for three seconds, then “SET EXERCISE” will illuminate for

5 seconds, and finally turn off.

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

cycle.

For example, if you press the “Set Exercise” button on

Sunday morning at 10:00 AM, the unit will run an immediate

exercise cycle and an exercise cycle every following Sunday

at 10:00 AM (+/- 1/2 hour).

NOTE: “Set Exercise” will only work if the unit is in the

Automatic mode and this exact procedure is followed.

The exerciser will need to be re-set if the 15 Amp fuse

is removed or changed, or if the 12 Volt DC battery is

disconnected.

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

simply perform the “Set Exercise” procedure at the exact

weekday and time you want it to take place.

Installation Inspection

Complete the ”Installation Checklist” as you make the

inspection. Ensure all items have been filled-in and all

signatures have been obtained. Mail the white copy (and

emissions statement, if completed) to:

Briggs & Stratton Power Products

Warranty Registration

P. O. Box 239

Jefferson, WI 53549-0239

More detailed Operating, Maintenance and Troubleshooting

information is given in the Operator’s Manual.

Manual de Instalación y Arranque

Sistema generador

doméstico enfriado por

líquido Serie 45000

Muchas gracias por comprar este generador Briggs & Stratton de gran calidad. Nos alegra que haya depositado su confianza

en la marca Briggs & Stratton. Siempre que sea conforme a las instrucciones del manual del operario, su generador Briggs &

Stratton le proporcionará muchos años de buen funcionamiento.

Este manual contiene información sobre seguridad para hacerle consciente de los riesgos asociados a los generadores

y mostrarle cómo evitarlos. Este generador se ha diseñado exclusivamente para suministrar energía eléctrica a cargas

compatibles de iluminación, electrodomésticos, herramientas y motores. No debe utilizarse para ningún otro fin. Es

importante leer detenidamente y comprender estas instrucciones antes de poner en marcha o utilizar el equipo. Este producto

no pertenece a la categoría de reserva de emergencia según lo definido por la norma NFPA 70 (NEC).

Antes de utilizar el generador doméstico de reserva, es necesario que lo instale un profesional. El manual de instalación

ofrece información completa. Siga todas las instrucciones. Conserve este manual para futuras consultas.

Dónde encontrarnos

Nunca tendrá que buscar mucho para poder obtener soporte y servicio técnico para su equipo generador de reserva. Consulte

las páginas amarillas. Existen miles de distribuidores de servicio autorizados de Briggs & Stratton en todo el mundo. También

puede dirigirse al departamento de servicio al cliente de Briggs & Stratton llamando al (800) 743-4115 o utilizar el buscador

de centros de servicio técnico de BRIGGSandSTRATTON.COM, que ofrece la lista de los distribuidores de servicio autorizados

de Briggs & Stratton.

Fecha de compra

Generador

Número de Modelo

Revisión

Número de Serie

Motor

Número de Modelo

Número de Serie

Briggs & Stratton Power Products Group, LLC.

900 North Parkway

Jefferson, WI 53549

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o transmisión total o parcial de este material, sea cual sea la

forma y el medio empleados para ello, sin el permiso previo y por

escrito de Briggs & Stratton Power Products Group, LLC.

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Briggs & Stratton 45000 Manuel utilisateur

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