Simplicity 076880-02 Guide d'installation

™

Installation and Operation Manual

30kW

Single 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).

Milwaukee, WI, USA.

80024907USCN

Revision ( B )

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

3

Table Of Contents

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

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

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

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

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

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

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

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

TO REDUCE THE RISK OF CARBON MONOXIDE POISONING: 9

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 Gaseous Fuel Installation ............14

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

Type of fuel to use: ...................................... 15

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

Fuel Pressure........................................... 16

Power Loss ............................................ 16

Fuel Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

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

Battery ................................................ 19

Final Installation Considerations ........................... 19

Engine Oil.............................................. 19

Coolant System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Fuel Supply System...................................... 19

Initial Start-up (No Load).................................. 20

Features and Controls...........................21

Access Panels .......................................... 21

Component Locations .................................... 23

Maintenance ...................................24

Before Servicing the System .............................. 25

Generator Maintenance .................................. 26

Engine Maintenance ..................................... 26

Changing Engine Oil and Oil Filter.......................... 27

Electrical System Maintenance ............................ 28

Fuel System Maintenance ................................ 29

Exhaust System Maintenance ............................. 29

Storage................................................ 29

Troubleshooting................................30

Generator Specifications ........................31

Wiring Diagram - GENERATOR............................ 32

Wiring Diagram - 1.6L ENGINE ............................ 34

4 BRIGGSandSTRATTON.COM

Important Safety Instructions

SAVE THESE INSTRUCTIONS - This manual contains

important instructions that should be followed during

installation and maintenance of the generator and batteries.

Safety Symbols and Meanings

The safety alert symbol indicates a potential personal

injury hazard. A signal word (DANGER, WARNING, or

CAUTION) is used with the alert symbol to designate a

degree or level of hazard seriousness. A safety symbol

may be used to represent the type of hazard. The signal

word NOTICE is used to address practices not related to

personal injury.

DANGER

indicates a hazard which, if not avoided, will

result in death or serious injury.

WARNING

indicates a hazard which, if not avoided, could

result in death or serious injury.

CAUTION

indicates a hazard which, if not avoided, could

result in minor or moderate injury.

NOTICE

Addresses practices not related to personal injury

The manufacturer cannot 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

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,

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.

5

WARNING

Generator produces hazardous voltage.

Failure to properly ground generator could result

in electrocution.

Failure to isolate generator from utility power could result

in death or serious injury to electric utility workers due to

backfeed of electrical energy.

• DO NOT touch bare wires or bare receptacles.

• DO NOT use generator with electrical cords which are

worn, frayed, bare or otherwise damaged.

• DO NOT handle generator or electrical cords while

standing in water, while barefoot, or while hands or

feet are wet.

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

stand on an insulated dry surface to reduce the risk of

a shock hazard.

• DO NOT allow unqualified persons or children to

operate or service generator.

• In case of an accident caused by electrical shock,

immediately shut down the source of electrical

power and contact the local authorities. Avoid direct

contact with the victim.

• Despite the safe design of the generator, operating

this equipment imprudently, neglecting its

maintenance or being careless could cause possible

injury or death.

• Remain alert at all times while working on this

equipment. Never work on the equipment when you

are physically or mentally fatigued.

• Before performing any maintenance on the generator,

disconnect the battery cable indicated by a

NEGATIVE, NEG or (-) first. When finished, reconnect

that cable last.

• After your system is installed, the generator may

crank and start without warning any time there is a

power failure. To prevent possible injury, always set

the generator mode to MANUAL and disconnect the

negative (-) cable at the battery before servicing.

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.

6 BRIGGSandSTRATTON.COM

WARNING

Moving parts could crush and cut.

Starter and other rotating parts could

entangle hands, hair, clothing, or

accessories resulting in serious injury.

• NEVER operate generator without protective

housings, covers, or guards in place.

• DO NOT wear loose clothing, jewelry or anything that

could be caught in the starter or other rotating parts.

• Tie up long hair and remove jewelry.

• Before servicing, always set the generator mode to

MANUAL and disconnect the negative (-) cable at the

battery.

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.

7

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 ComAp Intelilite

controller qualify for either an emergency standby or legally

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

complete information on these types of installations, consult

NFPA 70 and NFPA 110.

• 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.

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.

8 BRIGGSandSTRATTON.COM

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. Store and unpack the unit with the proper

side up, as noted on the shipping carton.

After removing the 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

• Spare 15 Amp ATO-type fuse

• 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

• Torque screwdriver, 5 to 50 inch-pound range

• 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.

9

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.

• USE ONLY the flexible steel fuel line provided.

Connect provided fuel line to generator. DO NOT use

with or substitute any other flexible fuel line.

• 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.

10 BRIGGSandSTRATTON.COM

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

11

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

B

C

12 BRIGGSandSTRATTON.COM

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

The 1 inch NPT fuel inlet connector (A) and 2 inch

electrical inlet location (B) are shown below.

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

• 70” (178 cm) long x 30” (76 cm) wide

A1 - Roof overhang dimensions

• 71” (180 cm) long x 32.3” (82 cm) wide

B - Generator mounting holes

• 68” (172.7 cm) long x 27.7” (70.4 cm) wide

B1 - Mounting holes diagonal measurement

• 73.4” (186.5 cm)

C - Fuel inlet location

• 18.9” (48 cm)

D - Wire entry location

• 7.4” (18.8 cm)

E - Exhaust outlet shown for reference only

F - Concrete slab shown for reference only

B

A

29.8”

(75.69 cm)

2.0”

(5.08 cm)

7.4”

(18.80 cm)

18.9”

(48.00 cm)

13

Attach the generator to the slab at the four corner locations

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

A - Standby generator enclosure

A1 - Roof overhang

B - Mounting holes in generator base

B1 - Diagonal measurement of mounting holes

C - Fuel inlet location

D - Wire entry location

E - Exhaust outlet area reference

F - Concrete slab reference

A

B

C

D

A1

B1

E

F

G

Lifting the Generator

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.

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.

14 BRIGGSandSTRATTON.COM

Planning the Gaseous 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.

• 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.

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 gaseous 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 the supplied flexible gaseous 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 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.

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

downstream to permit removal of controls.

• A manometer test port (D) should be installed. 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. When the initial test

runs are completed, the manometer is removed and the

port is plugged.

• 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

F - Manual Shut-off Valve

Fuel Pipe Sizing

There are numerous on-line or printed references for fuel

pipe sizing. For example, NFPA 54 - National Fuel Gas Code,

2006 is a common resource. 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.

15

Type of fuel to use:

An important consideration affecting the entire installation

is the type of fuel to be supplied. The system was tested

and adjusted at the factory using either natural gas or liquid

propane (LP vapor). For proper engine function, follow these

guidelines:

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

material.

• For engines running on propane (LP), use commercial

grade HD5 propane with a minimum fuel energy of

2500 BTU/ft³ with maximum propylene content of

5% and butane and heavier gas content of 2.5% and

minimum propane content of 90%.

• For engine running on natural gas, power output

ratings will depend on the specific fuel but typical

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

Using fuels outside the recommended values may cause

performance problems.

WARNING

Propane and Natural Gas are extremely

flammable and explosive, which could cause burns, fire or

explosion resulting in death or serious injury.

• The generator is equipped with an automatic safety

gas “fuel shut-off” valve.

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

valve is missing or inoperative.

Fuel Conversion

The engine is calibrated at the factory to run on natural gas

(NG) or liquid propane (LP) vapor. To convert the engine to

run on either fuel, follow these steps:

1. Insert key into lock of front panel. Gently push down on

roof above the lock to aid in turning the key. Turn key

one quarter turn clockwise.

2. Lift roof to the open position.

3. Press the control board OFF button.

4. Remove 15 Amp fuse from control panel.

5. Remove the rear panel.

6. Locate the fuel selector collar on bottom of fuel

regulator (A, below).

7. Carefully push up on fuel selector collar, twist

either right or left to slide through the groove of the

appropriate fuel type (NG or LP).

8. Pull down lightly on the fuel selector collar to ensure it

is seated.

A

16 BRIGGSandSTRATTON.COM

Fuel Consumption

Shown below are the estimated fuel supply requirements at

full load, 1/2-load, and exercise load for LP Vapor and NG

fuels.

Fuel Pressure

Fuel supply pressure at the generator fuel inlet 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).

Power Loss

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

engine power. Specifically, engine power will decrease 3%

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

10°F (5.6°C) above 77°F (25°C). Generators using power

management technology must have the transfer switch

programmed appropriately for this power decrease.

Series 30000 LP Vapor Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 436800 287400 138000

ft³/hr 175 115 55

m³/hr 5.0 3.3 1.6

GAL/hr 4.9 3.2 1.5

Series 30000 NG Fuel Consumption

Full Load 1/2 Load Exercise

BTU/hr 414500 275400 136200

ft³/hr 415 275 136

m³/hr 11.7 7.8 3.9

12. Reinstall the rear panel.

13. Reinstall service panel.

14. Reinstall 15 Amp fuse in control panel.

15. Press the control board AUTO button.

B

9. Lift service panel.

10. Locate fuel selector switch on side of circuit breaker

enclosure.

11. Set switch (B) to appropriate fuel type.

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

Research Octane Number

Motor Octane Number

110+

97

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”.

17

Power Connections

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

A

C

B

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.

18 BRIGGSandSTRATTON.COM

Generator Circuit Breaker

Voltage

Phase

120/240V - 1

Power

Node

Breaker

Ampacity

Lug Wire

Range

30kW 150A #2 - 300kcmil

19

Final Installation Considerations

Installation Inspection

Before placing the generator system into service, review the

instructions while carefully inspecting the entire installation

to ensure the installation is complete and correct.

Engine Oil

NOTICE

Any attempt to crank or start the engine before it

has been properly serviced with the recommended oil will

result in engine failure, which will not be covered under the

warranty.

The engine is shipped from the factory filled with synthetic oil

(API SN-GF/5 5W-30). This allows for system operation in a

wide range of temperatures and climate conditions. Before

starting the engine, check the oil level as described under

Engine Maintenance in the Maintenance section.

Coolant System

This engine is shipped from the factory filled with a 50/50 mix

of automotive (ethylene glycol) anti-freeze and water. This

will provide optimum year-round protection against freezing,

boiling, and corrosion. Before starting the engine, check the

coolant level as described under Engine Maintenance in the

Maintenance section.

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.

WARNING

Battery posts, terminals and related

accessories contain lead and lead compounds - chemicals

known to the State of California to cause cancer and

reproductive harm. Wash hands after handling.

Battery

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.

The installer must supply and install a starting battery that

conforms to the specifications listed below.

Battery Specifications

BCI Group 26R

Volts 12 Volt DC

Amps (MIN) 540 CCA (cold cranking amps)

Type VRLA (Valve Regulated Lead

Acid)

Terminal

Hardware

Post

Dimensions

(MAX):

Width 7.5 inches (191 mm)

Length 11.25 inches (286 mm)

Height 10.0 inches (254 mm)

Install the battery as described under Servicing the

Battery in the Maintenance section. Always make sure the

NEGATIVE cable is connected last.

20 BRIGGSandSTRATTON.COM

Initial Start-up (No Load)

Before operating the generator or placing it into service,

inspect the entire installation carefully. Familiarize yourself

with the location of components and the location and

function of the generator controller. Begin testing the system

without any electrical loads connected, as follows:

1. Check engine oil. Add oil if needed. Refer to engine

manual for type of oil required.

2. Set the generator main circuit breaker to OFF (open)

position.

3. Start the generator. When the generator is started

for the first time, air in the gaseous fuel lines will be

purged. This may cause the engine to run rough for a

few minutes.

4. Listen for unusual noises, vibration, or other

indications of abnormal operation. Check for oil and

coolant leaks while the engine runs.

5. Let the engine warm up for 5 minutes.

6. Check generator output at line side of circuit breaker.

No-load voltage should be as shown in the chart

below. Frequency should be 59.8 - 60.2 Hz.

NOTE

If the no-load voltage is outside the specified

range, perform the automatic voltage regulator (AVR)

adjustment in Step 8. Do not proceed until the AC

voltage is within the specified range.

7. Check voltage output between each of the circuit

breaker connection lugs and the neutral lug. No-load

voltage should be as shown in the chart below.

8. If necessary, adjust the AVR voltage control (A) to

obtain the range specified. DO NOT adjust any of the

other alternator controls.

9. Ensure that the transfer switch is in the "UTILITY"

position and that there is no load present on the

generator.

10. Set the generator main circuit breaker to ON

(closed) position.

11. Stop the generator.

A

Voltage

No-Load Voltage Table

Phase-to-Phase Phase-to-Neutral

Minimum Maximum Minimum Maximum

1-Phase 120/240 238 242 119 121

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