Simplicity 040491-00 Инструкция по установке

Installation & Start-Up Manual

Generating Set

EAC

80010734

Revision ( A )

2

Thank you for purchasing this quality-built Briggs & Stratton® generating set. We are pleased that you’ve placed

your confidence in the Briggs & Stratton brand. When operated and maintained according to the instructions in the

operator’s manual, your generating set will provide many years of dependable service.

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

generating set systems and how to avoid them. This generating set system is designed and intended only for

use as an optional 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. Save these original instructions for future reference.

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

instructions completely.

Where to Find Us

You never have to look far to find Briggs & Stratton support and service for your generating set. There are many

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

& Stratton Customer Service by phone at 800-732-2989 between 8:00 AM and 5:00 PM CT., or by e-mail at

[email protected], or click on Find a Dealer at BRIGGSandSTRATTON.COM, which provides a list

of authorized dealers.

For Future Reference

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

issues.

Date of Purchase

Generating set

Model Number

Model Revision

Serial Number

Engine

Model Number

Serial Number

ORIGINAL INSTRUCTIONS (English)

3

Table of Contents

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

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

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

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

Cold Weather Kit ......................................... 7

Unpacking Precautions .................................... 8

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

Shipment Contents ....................................... 8

Generating set Placement ................................. 9

Placement of Standby Generating set to REDUCE THE RISK OF

CARBON MONOXIDE POISONING ........................ 10

Other General Location Guidelines ......................... 11

Examples of standby generating set locations to REDUCE THE RISK

OF FIRE:............................................... 12

Electrical and Fuel Inlet Locations .......................... 14

Lifting the Generating set ................................. 14

Concrete Anchoring of Unit................................ 15

Generating Set Access ................................... 16

The Gaseous Fuel System ................................ 17

Fuel Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Fuel Pressure........................................... 18

Power Loss ............................................ 18

Fuel Pipe Sizing......................................... 18

Fuel Conversion......................................... 19

System Connectors...................................... 20

Generating set AC Connection System...................... 21

Grounding the Generating Set ............................. 22

Utility Circuit Connection.................................. 22

Generating set Power Connection .......................... 22

Communication Connections .............................. 22

System Control Panel .................................... 23

Final Installation Considerations ........................... 28

Initial Start-up (No Load).................................. 29

Electronic Governor System .............................. 30

Operation .....................................31

Automatic Operation Sequence ............................ 31

Setting Exercise Timer ................................... 31

Installation Inspection .................................... 31

Schematic / Wiring Diagrams.....................32

4

Save These Instructions

Important Safety Instructions

SAVE THESE INSTRUCTIONS - This manual

contains important instructions that should be followed

during installation and maintenance of the generating

set and batteries.

Safety Symbols and Meanings

The safety alert symbol indicates a potential

personal injury hazard. A signal word (DANGER,

WARNING, or CAUTION) is used with the alert symbol

to designate a degree or level of hazard seriousness.

A safety symbol may be used to represent the type of

hazard. The signal word NOTICE is used to address

practices not related to personal injury.

DANGER indicates a hazard which, if not avoided,

will result in death or serious injury.

WARNING indicates a hazard which, if not avoided,

could result in death or serious injury.

CAUTION indicates a hazard which, if not avoided,

could result in minor or moderate injury.

NOTICE addresses practices not related to personal

injury.

The manufacturer cannot possibly anticipate every

possible circumstance that might involve a hazard.

The warnings in this manual, and the tags and decals

affixed to the unit are, therefore, not all-inclusive.

If you use a procedure, work method or operating

technique that the manufacturer does not specifically

recommend, you must satisfy yourself that it is safe

for you and others. You must also make sure that the

procedure, work method or operating technique that

you choose does not render the generating set 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 and/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.

NOTICE Only qualified, licensed electricians should

attempt installation of this equipment, which must

strictly comply with applicable codes, standards and

regulations.

Fire

Toxic Fumes

Explosive Pressure

Lift Hazard Read Manual

Chemical BurnAuto Start

Hot SurfaceRotating Parts

Electrical ShockExplosion

5

WARNING Generating set produces hazardous

voltage.

Failure to properly ground generating set

could result in electrocution.

Failure to isolate generating set from utility

power could result in death or serious injury

to electric utility workers due to backfeed of

electrical energy.

• Electrical system must meet current requirements

when generating set is installed. This includes the

RCD in distribution panel.

• DO NOT touch bare wires or bare receptacles.

• DO NOT use generating set with electrical cords

which are worn, frayed, bare or otherwise damaged.

• DO NOT handle generating set 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 generating set.

• 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 generating set,

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

generating set, disconnect the battery cable

indicated by a NEGATIVE, NEG or (-) first. When

finished, reconnect that cable last.

• After your system is installed, the generating set

may crank and start without warning any time there

is a power failure. To prevent possible injury, always

set the generating set’s system switch to OFF,

remove the service disconnect from the disconnect

box AND remove the 15 Amp fuse BEFORE

working on the equipment.

WARNING Propane and Natural Gas are

extremely flammable and explosive,

which could cause burns, fire or

explosion resulting in death and/or

serious injury.

• Install the fuel supply system according applicable

fuel-gas codes.

• Before placing the generating set into service, the

fuel system lines must be properly purged and leak

tested.

• After the generating set 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 generating set. Wipe

up any oil spills immediately. Ensure that no

combustible materials are left in the generating set

compartment. Keep the area near the generating set

clean and free of debris.

WARNING Hazardous Voltage - Contact with

power lines could cause electric shock

or burns, resulting in death or serious

injury.

Lifting Hazard / Heavy Object - Could

result in serious injury.

• If lifting or hoisting equipment is used, DO NOT

contact any power lines.

• DO NOT lift or move generating set without

assistance.

• Use lifting pipes as described in Lifting the

Generating Set.

• DO NOT lift unit by roof as damage to generating

set will occur.

6

NOTICE Improper treatment of generating set could

damage it and shorten its life.

• Use generating set only for intended uses.

• If you have questions about intended use, contact

your authorized dealer.

• Operate generating set only on level surfaces.

• Adequate, unobstructed flow of cooling and

ventilating air is critical to correct generating set

operation.

• The access panels/doors must be installed

whenever the unit is running.

• DO NOT expose generating set 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 generating set 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 generating set.

Shut off generating set

and contact an authorized dealer

if

- electrical output is lost;

- equipment sparks, smokes, or emits flames;

- unit vibrates excessively;

- unit makes unusual noises.

WARNING Starter and other rotating parts could

entangle hands, hair, clothing, or accessories

resulting in serious injury.

• NEVER operate generating set without protective

housings, covers, or guards in place.

• DO NOT wear loose clothing, jewelry or anything

that could be caught in the starter or other rotating

parts.

• Tie up long hair and remove jewelry.

• Before servicing, remove 15 Amp fuse from control

panel and disconnect Negative (NEG or -) battery

cable.

WARNING

Exhaust heat/gases could ignite

combustibles or structures resulting in

death and/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 1.5 m minimum clearance from any

structure, shrubs, trees or any kind of vegetation.

• Weatherproof enclosure must be at least 1.5 m

from windows, doors, any wall opening, shrubs or

vegetation over 30.5 cm in height.

• Weatherproof enclosure must have a minimum

of 1.5 m overhead clearance from any structure,

overhang or trees.

• DO NOT place weatherproof enclosure under a

deck or other type of structure that may confine

airflow.

• Use only flexible fuel line provided. Connect

provided fuel line to generating set, DO NOT use

with or substitute any other flexible fuel line.

• Smoke detector(s) MUST be installed and

maintained indoors according to the manufacturer’s

instructions/recommendations. Carbon monoxide

alarms cannot detect smoke.

• Keep at least minimum distances shown in General

Location Guidelines to insure for proper generating

set cooling and maintenance clearances.

• To use or operate the engine on any forest-covered,

brush-covered, or grass-covered land, contact the

original equipment manufacturer, retailer, or dealer

to obtain a spark arrester designed for the exhaust

system installed on this engine.

• Replacement parts must be the same and installed

in the same position as the original parts.

CAUTION Installing the 15 Amp fuse could cause

the engine to start at any time without warning

resulting in minor or moderate injury.

• Observe that the 15 Amp fuse has been removed

from the control panel for shipping.

• DO NOT install this fuse until all plumbing and wiring

has been completed and inspected.

CAUTION Excessively high operating speeds

could result in minor injury.

Excessively low speeds impose a heavy load on

generating set.

• DO NOT tamper with governed speed. Generating

set supplies correct rated frequency and voltage

when running at governed speed.

• DO NOT modify generating set in any way.

7

Installation

Equipment Description

This product is intended for use as an optional 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.

Every effort has been made to ensure that information

in this manual is accurate and current. However, we

reserve the right to change, alter, or otherwise improve

the product and this document at any time without prior

notice.

Only current licensed electrical and plumbing

professionals should attempt generating set

system installations. Installations must strictly

comply with all applicable codes, industry

standards and regulations.

Owner Responsibilities

• Read and follow the instructions given in the

operator’s manual.

• Follow a regular schedule in maintaining, caring

for and using your generating set, as specified in

the operator’s manual.

• Carbon monoxide detector(s) MUST be installed

and maintained indoors according to the

manufacturer’s instructions/recommendations.

Smoke alarms cannot detect carbon monoxide

gas.

• Smoke detector(s) MUST be installed and

maintained indoors according to the manufacturer’s

instructions/ recommendations. Carbon monoxide

alarms cannot detect smoke.

Installing Dealer/Contractor

Responsibilities

• Read and observe the safety rules.

• Read and follow the instructions given in this

installation and start-up manual.

• Installation must strictly comply with all applicable

codes, industry standards, laws, and regulations.

• Allow sufficient room on all sides of the generating

set for maintenance and servicing.

Cold Weather Kit

If operating the generating set below -1°C, it is

HIGHLY RECOMMENDED that a Model 6231 Cold

Weather Kit (includes two oil warmers and battery

warmer) be installed on units.

These items are available at your local servicing

dealer.

For cold weather areas (below -18°C) it is also

recommended that a BCI, Size 75, wet lead-acid

battery be used of 800 CCA minimum.

30°F (-1°C)

8

Unpacking Precautions

The unit is shipped ready for installation. 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

generating set for any damage that may have occurred

during shipment.

If loss or damage is noted at time of delivery, have

the person(s) making delivery note all damage on the

freight bill and affix his signature under the consignor’s

memo of loss or damage. If loss or damage is noted

after delivery, separate the damaged materials

and contact the carrier for claim procedures. Parts

damaged in shipping are not warranted.

Shipment Contents

The home generating set system is supplied with:

• Oil (5W30 Synthetic)

• Flexible steel fuel line

• Installation and start-up manual

• Operator’s manual

• Spare access roof keys

• Spare 15 Amp ATO-type fuse

Not included:

• Carbon monoxide detector(s)

• Smoke detector(s)

• Starting battery

• Connecting wire and conduit

• Fuel supply valves/plumbing

• Crane, lifting straps, chains or cables

• Two 1.2 meter lengths of 19 mm (O.D.) schedule

40 steel pipes (NOT conduit)

• Hole punches for 1.6mm steel

• Torque screwdriver, 0.5 to 5 Nm range

• Voltage/frequency meter

• Various special tools and equipment

9

Generating set Placement

Before installing generating set, consult with home owner

and convey the following requirements, which must be

satisfied before the installation is complete.

There are two equally important safety concerns in

regards to carbon monoxide poisoning and fire. There

are also several general location guidelines that must be

met before the installation in considered complete.

Exhaust Side of the Generating set

A - Exhaust outlet side of weatherproof enclosure

B - Air inlet side of weatherproof enclosure

B

A

B

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.

10

All fossil fuel burning equipment, such as standby

generating sets, contains carbon monoxide (CO) gas

in the engine exhaust. CO gas is odorless, colorless

and tasteless and is unlikely to be noticed until a

person is overcome. CO gas can kill you so it is

required that the following is included as part of the

installation:

• Install generating set outdoors in an area that will

not accumulate deadly exhaust gas.

• DO NOT install generating set where exhaust gas

could accumulate and enter inside or be drawn

into a potentially occupied building or structure.

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

Carbon Monoxide (CO) detector in operating

condition in your home. Carbon monoxide

detector(s) (A) MUST be installed and maintained

indoors according to the manufacturer’s

instructions / recommendations. A CO monitor is

an electric device that detects hazardous levels of

CO. When there is a buildup of CO, the monitor

will alert the occupants by flashing visual indicator

light and alarm. Smoke alarms cannot detect CO

gas.

• Your neighbor(s) home may be exposed to the

engine exhaust from your standby generating

set and must be considered when installing your

standby generating set.

• Ensure exhaust gas is kept away from:

B - windows

C - doors

D - ventilation intakes

E - soffit vents

F - garage doors

G - crawl spaces or other openings that can allow

Placement of Standby Generating set to REDUCE THE RISK OF CARBON MONOXIDE

POISONING

The arrows in the figure below point to POTENTIAL points of entry for Carbon

Monoxide Gas.

A

F

C

D

B

G

E

F

C

D

B

E

G

11

exhaust gas to enter inside or be drawn into a

potentially occupied building or structure.

• Direct the standby generating set exhaust away

from or parallel to the building or structure. DO

NOT direct the generating set 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 potentially occupied

building or structure.

• DO NOT place standby generating set in any area

where leaves or debris normally accumulates.

Position standby generating set in an area where

winds will carry the exhaust gas away from any

potentially occupied building or structure.

Other General Location Guidelines

• Place the standby generating set in a prepared

location that is flat and has provisions for water

drainage.

• Install the standby generating set in a location

where sump pump discharge, rain gutter

downspouts, roof run-off, landscape irrigation,

or water sprinklers will not flood the unit or spray

the enclosure and enter any air inlet or outlet

openings.

• Install the standby generating set where it will not

affect or obstruct and services including covered,

concealed and underground, such as telephone,

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

air conditioning, cable, septic, sewer, well and so

forth.

• Install the standby generating set where leaves,

grass, snow, etc. will not obstruct air inlet and

outlet openings. If prevailing winds will cause

blowing or drifting, you may need to construct a

windbreak to protect the unit.

STANDBY

GENERATOR

ENGINE

EXHAUST

12

Examples of standby generating set locations to REDUCE THE RISK OF FIRE:

Vertical Clearances

Structure

Center of Exhaust Panel

Standby

Exhaust

Direction

5 ft

(1.5 m)

5 ft (1.5 m)

B

C

B

C

WARNING

Exhaust heat/gases could ignite

combustibles or structures resulting in

death and/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 1.5 m minimum clearance from any

structure, shrubs, trees or any kind of vegetation.

• Weatherproof enclosure must be at least 1.5 m

from windows, doors, any wall opening, shrubs or

vegetation over 30.5 cm in height.

• Weatherproof enclosure must have a minimum

of 1.5 m overhead clearance from any structure,

overhang or trees.

• DO NOT place weatherproof enclosure under a

deck or other type of structure that may confine

airflow.

• Use only flexible fuel line provided. Connect

provided fuel line to generating set, DO NOT use

with or substitute any other flexible fuel line.

• Smoke detector(s) MUST be installed and

maintained indoors according to the manufacturer’s

instructions/recommendations. Carbon monoxide

alarms cannot detect smoke.

• Keep at least minimum distances shown in General

Location Guidelines to insure for proper generating

set cooling and maintenance clearances.

• To use or operate the engine on any forest-covered,

brush-covered, or grass-covered land, contact the

original equipment manufacturer, retailer, or dealer

to obtain a spark arrester designed for the exhaust

system installed on this engine.

• Replacement parts must be the same and installed

in the same position as the original parts.

Legend for Generating Set Locations to reduce

the risk of fire:

A - Generating set set’s weatherproof enclosure

must be at least 1.5 m from windows, doors, any

wall opening, shrubs, or vegetation over 30.5 cm

in height.

B - Exhaust outlet side of weatherproof enclosure

must have at least 1.5 m minimum clearance from

any structure, overhang or trees.

C - Generating set’s weatherproof enclosure must

have a minimum of 1.5 m overhead clearance

from any structure, overhang, or trees.

NOTICE DO NOT place weatherproof enclosure under

a deck or other type of covered structure that may

confine airflow.

13

Generating set Installations

B

A

A A

A

Standby

5 ft (1.5 m)

Exhaust

Direction

Exhaust

Direction

Exhaust

Direction

Exhaust

Direction

18 in. (45.7 cm) min.

18 in.

(45.7 cm) min.

B

18 in. (45.7 cm) min.

Legend for Generating Set Locations to reduce

the risk of fire:

A - Generating set set’s weatherproof enclosure

must be at least 1.5 m from windows, doors, any

wall opening, shrubs, or vegetation over 30.5 cm

in height.

B - Exhaust outlet side of weatherproof enclosure

must have at least 1.5 m minimum clearance from

any structure, overhang or trees.

C - Generating set’s weatherproof enclosure must

have a minimum of 1.5 m overhead clearance from

any structure, overhang, or trees.

NOTICE DO NOT place weatherproof enclosure under a

deck or other type of covered structure that may confine

airflow.

14

Electrical and Fuel Inlet Locations

The 3/4 inch N.P.T. fuel inlet connector (A) and electrical

inlet location (B) is shown below.

A ½ inch knock-out is provided for the electrical inlet. This

inlet may be enlarged or supplemented to accommodate

a maximum conduit size of 38 mm. Ensure that the

installed conduit(s) enter the unit in the zone shown in the

drawing such that they properly enter the electrical box

and do not interfere with the fully opened roof.

The generating set is supplied with a base that, unless

mandated by local law, does not require a concrete slab.

Lifting the Generating set

The generating set weighs more than 227 kg. Proper

tools, equipment and qualified personnel should be used

in all phases of handling and moving the generating set.

Two 1.2 meter lengths of 19 mm O.D. schedule 40 steel

pipes (A), supplied by the installer, are required to lift the

generating set manually. Insert pipes through the lifting

holes (B) located near the unit’s base.

You may also lift the unit using a “hook and hoist” method

attached to the lifting pipes, provided that you use a

spreader bar to ensure that the chains or cables DO NOT

touch the generating set’s roof.

A

B

15

Concrete Anchoring of Unit

In areas determined to be prone to high winds and

storms, it is recommended to anchor the standby

generating set to concrete. The concrete anchors must

be rated to hold 363 kg. There are four (C) hole locations

around the base of generating set in which to anchor the

unit.

NOTICE Unless mandated by local law, a concrete

slab is not required.

C

A

B

WARNING Hazardous Voltage - Contact with

power lines could cause electric shock

or burns, resulting in death or serious

injury.

Lifting Hazard / Heavy Object - Could

result in serious injury.

• If lifting or hoisting equipment is used, DO NOT

contact any power lines.

• DO NOT lift or move generating set without

assistance.

• Use lifting pipes as described in Lifting the

Generating Set.

• DO NOT lift unit by roof as damage to generating

set will occur.

16

Generating Set Access

The roof access panel and the components located

under it is listed below:

A - Roof (Control Panel, air filter, oil dipstick, oil fill and

circuit breaker)

Each generating set is shipped with a set of identical

keys. These keys fit in the lock on the front panel. The

roof must be unlocked in order for it to open.

NOTICE For removal of other unit panels, contact a

qualified service provider.

To open roof:

1. Insert key into lock (B) 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.

A

B

17

The Gaseous Fuel System

The information below is provided to assist gaseous

fuel system technicians in planning installations. In no

way should this information be interpreted to override

applicable fuel gas codes. Consult with your local fuel

supplier or Fire Marshall if questions or problems arise.

TO THE INSTALLER: Consult with the generating set

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:

NOTICE The supplied flexible

steel fuel line

is not to be

installed underground or in contact with the ground.

• The entire

flexible

steel fuel line must be visible for

periodic inspection and must not be concealed

within nor contact nor run through any wall, floor,

or partition.

• 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.

NOTICE The illustration is representative of a typical

installation. Your installation may differ.

• Install the

flexible

steel fuel line (B) (supplied)

between the generating set fuel inlet port (A)

and rigid piping to prevent thermal expansion,

contraction, or any standby movement from

causing excessive stress on the piping material.

• A union (C) or flanged connection shall be

provided downstream to permit removal of

standby.

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

digital manometer, P/N 19495, is available at

your Briggs & Stratton service center. When the

initial test runs are completed, the manometer

is removed and the port is plugged. The

manometer port permits temporary installation of

a manometer to ensure that the engine receives

the correct fuel pressure to operate efficiently

throughout its operating range.

• Where the formation of hydrates or ice is known

to occur, piping should be protected against

freezing. The termination of hard piping should

include a sediment trap (F) where condensate is

not likely to freeze.

• A minimum of one accessible, approved manual

shutoff valve (E) shall be installed in the fuel

supply line within 180 cm of the generating set.

• A manual fuel shut-off valve should be installed

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 generating set load conditions

with all gas appliances connected to the fuel

system turned on and operating.

• Apply thread sealant approved for use with NG/

LPG on all male threads only per sealant

manufacturer’s instructions and applicable

codes and standards.

NOTICE Keep thread sealant out of the gas

piping to prevent component part damage.

• Installed piping must be properly purged and

leak tested, in accordance with applicable codes

and standards.

D

A

F

E

B

C

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.

WARNING Propane and Natural Gas are

extremely flammable and explosive,

which could cause burns, fire or

explosion resulting in death or serious

injury.

• Before placing the generating set into service, the

fuel system lines must be properly purged and leak

tested.

• No leakage is permitted.

18

Fuel Consumption

Estimated fuel supply requirements for natural gas and

LP vapor fuels are shown below.

LP Vapor (Propane)

11 kVA 14 kVA

Full Load

Cu Ft/Hr 93 101

Gal/Hr

(liquid)

2.55 2.80

BTU/Hr 233,000 252,000

1/2 Load

Cu Ft/Hr 58 66

Gal/Hr

(liquid)

1.59 1.80

BTU/Hr 145,000 166,000

Exercise

Cu Ft/Hr 31 34.8

Gal/Hr

(liquid)

0.85 1.0

BTU/Hr 78,000 87,000

Natural Gas

11 kVA 14 kVA

Full Load

Cu Ft/ Hr 192 233

BTU / Hr 192,000 233,000

1/2 Load

Cu Ft/ Hr 135 147

BTU / Hr 135,000 147,000

Exercise

Cu Ft/ Hr 73 75

BTU / Hr 73,000 75,000

Fuel Pressure

Both LP vapor and natural gas fuel supply pressure

at the generator’s fuel inlet port should be between

the following levels at full load with all gas appliances

turned on

and operating.

• NG is 5-7” W.C.

• LP is 11-14” W.C.

Ensure that all gas line shutoff valves are OPEN and

that adequate fuel pressure is available whenever

automatic operation is desired.

Power Loss

Air density is less at high altitudes, resulting in less

available engine power. Specifically, engine power

will decrease 3.5% for each 300 meters above sea

level and 1% for each 5.6°C above 25°C. Make sure

you and your installer consider these factors when

determining total generator load.

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, refer to

federal and local codes

for guidance.

19

Fuel Conversion

The engine of your generating set system is factory

calibrated to run on natural gas (NG) or on liquefied

petroleum (LP) vapor. To convert to either fuel, follow

these steps:

NOTICE Units are set to NG at the factory.

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. Locate the fuel selector switch (A). located on

top of the fuel regulator (B). Using a 5 mm Allen

wrench, turn the selector switch to either LP or

NG.

6. Install tamper proof plug supplied with

unit. Plug fits over fuel selector switch with

convex side facing out. Secure plug with

drop of cyanoacrylate (super) glue.

7. Reinstall 15 Amp fuse in control panel.

8. Press the control board AUTO button.

A

B

20

System Connectors

Low Voltage connections to signal fault contacts, transfer switch communication and auxiliary 12VDC power

are made via a field connection terminal block in control board area. Compare this illustration with your

generating set to familiarize yourself with the location of these connections.

NOTICE System connections must be made by qualified service personnel.

A - Utility Connection — Used to connect utility 230

VAC from fuse block in ATS to the control board.

Connect only one wire per terminal. Use 2.08 mm²

minimum, 300V, 90°C copper wire.

B - Fault Contacts — Use NO, COM and NC to

hook up a siren, light, etc. to alert you in case of

a fault. Contacts reverse state (NO goes to NC

and vice versa) upon a fault condition. Use 0.82

mm² twisted pair connectors no longer than 61 M,

300V, 90°C copper wire.

C - Transfer Switch Communication (TxRx and

TxRx GND) — Connect to transfer switch control

board for communication interface using 18AWG

twisted pair wire. Use 0.82 mm² minimum no

longer than 61 M, 300V, 90°C copper wire.

D - +LED and GND Connection — Not required for

optional wireless monitor. Available for optional

hardwired remote system status panel accessory,

#6154. Use 0.82 mm² minimum no longer than 61

M, 300V, 90°C copper wire.

E - Eight Pin Terminal Block — Used to connect

signal wires to the control board. Connect only

one wire per terminal.

F - Power Connection (Line 1 and Line 2) — Power

connection to transfer switch. Use 13.3 mm²

minimum, 300V, 90°C copper wire.

G - Neutral and Ground Connection — Connect to

transfer switch neutral and ground. Use 13.3 mm²

minimum, 300V, 90°C copper wire.

• When connecting to the terminal block, fasten only one wire to each connector screw.

• Torque terminal block screws to 4.4 in-lb (0.49 Newton meter).

• Torque circuit breaker connections to 45 in-lb (5 Newton meter).

230 VAC

NO (1)

COMM (2)

NC (3)

TxRx (4)

TxRx GND (5)

+LED (6)

GND (7)

N/C (8)

]

N

L1

L2

E

A

F

G

B

C

D

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