Generac Power Systems 7500 Manuale utente

The Reliable Ones

7500

Portable Generator Owner's Manual L

DANGER[ This generator is designed for outdoor use only. Never use this generator inside any building

or enclosure including the generator compartment of a recreational vehicle (RV). Carbon monoxide

poisoning, fire and/or an explosion may result. No user performed modifications, including venting of

exhaust and/or cooling ventilation, will eliminate the danger. Always have at least two feet of clearance on

all sides of the generator even while operating the unit outdoors.

DANGER! You must isolate the generator from the electric utility by opening the electrical system's main

circuit breaker or main switch if this unit is used for backup power, Failure to isolate the generator from

the power utility may result in injury or death to electric utility workers and damage to the

generator due to a backfeed of electrical energy,

The Emission Control System for this generator is warranted for standards set by the

Environmental Protection Agency, For warranty information refer to the Engine Owner's manual.

Model No. 1019-1 (7500 Watt AC Generator) Manual No B4594 Revision 0 (11/1/1999)

Visit our Generac website: www.generac-portables.com

,_ This is the safety alert symbol. It is used to alert you to potential personal injury hazards.Obey all safety messages that follow this symbol to avoid possible injury or death.

GeneracPortableProducts7500EXLExtendedLifeGenerator

EQUIPMENT DESCRIPTION

This generator is an engine-driven, revolving field,

alternating current (AC) generator. It was designed to

supply electrical power for operating compatible

electrical lighting, appliance, tool and motor loads.

This manual contains information for a generator that

operates 120 and/or 240 Volts, single phase, 60Hz

devices that require up to 7500 watts (7.5 kW) of

power that pull up to 62.5 Amps at 120 Volts or

31.2 Amps at 240 Volts.

ACAUTION: Do Not exceed the generator's

wattage/amperage capacity Add up the rated

watts of all devices you are connecting to

generator receptacles at one time. This total

should not be greater than 7,500 watts for this

generator. In most cases rated watts of the

electrical device can be found on the device

nameplate. If the device nameplate gives only

volts and amps, multiply volts times amps to

obtain watts (volts x amps = watts).

The generator's revolving field is driven at about

3600 rpm by a single cylinder engine.

Every effort has been expended to make sure that the

information in this manual is both accurate and

current. However, Generac reserves the right to

change, alter or otherwise improve the product at any

time without prior notice.

ADANGER: Do Not tamper with engine

governed speed. High operating speeds are

dangerous and increase risk of personal injury

or damage to equipment The generator

supplies correctly rated frequency and voltage

only when running at proper governed speed.

Incorrect frequency and/or voltage can damage

some connected electrical loads Operating at

excessively low speeds imposes a heavy load

at such reduced speeds, when adequate

engine power is not available, and may shorten

engine life

SAFETY RULES

This generator set was designed and manufactured

for specific applications. Do Not attempt to modify the

unit or use it for any application it was not designed

for. If you have any questions about your generator's

application, ask your dealer or consult the factory.

The manufacturer could not possibly anticipate every

circumstance that might involve a hazard. For that

reason, warnings in the manual and warnings on tags

or decals affixed to the unit are not all-inclusive. If you

intend to handle, operate or service the unit by a

procedure or method not specifically recommended by

the manufacturer, first make sure that such a

procedure or method will not render this equipment

unsafe or pose a threat to you and others.

Read this manual carefully and become familiar

with your generator set. Know its applications, its

limitations and any hazards involved.

• The generator produces a very powerful voltage that

can cause extremely dangerous electrical shock.

Avoid contact with bare wires, terminals, etc. Never

permit any unqualified person to operate or service

the generator.

• Never handle any kind of electrical cord or device

while standing in water, while barefoot or while

hands or feet are wet.

• The National Electric Code requires the frame and

external electrically conductive parts of generator be

properly connected to an approved earth ground.

Local electrical codes may also require proper

grounding of the generator. Consult with a local

electrician for grounding requirements in your area.

• Use a ground fault circuit interrupter in any damp or

highly conductive area (such as metal decking or

steel work).

GeneracPortableProducts7500EXLExtendedLifeGenerator

• DoNotuseworn,bare,frayedorotherwise

damagedelectricalcordsetswiththegenerator.

• Operategeneratoronlyonlevelsurfacesandwhere

itwillnotbeexposedtoexcessivemoisture,dirt,

dustorcorrosivevapors.

• GasolineishighlyFLAMMABLEanditsvaporsare

EXPLOSIVE.DoNotpermitsmoking,openflames,

sparksorheatinthevicinitywhilehandlinggasoline.

Avoidspillinggasolineonahotengine.Complywith

allregulationsrequiringstorageandhandlingof

gasoline.

• DoNotoverfillthefueltank.Alwaysallowroomfor

fuelexpansion.Iftankisoverfitled,fuelcanoverflow

ontoahotengineandcauseFIREoran

EXPLOSION.

• Neverstoregeneratorwithfuelintankwhere

gasolinevaporsmightreachanopenflame,sparkor

pilotlight(asonafurnace,waterheaterorclothes

dryer).FIREoranEXPLOSIONmightresult.

• GeneratorexhaustgasescontainDEADLYcarbon

monoxidegas.Thisdangerousgas,ifbreathedin

sufficientconcentrations,cancause

unconsciousnessorevendeath.Operatethis

equipmentonlyintheopenairwhereadequate

ventilationisavailable.

• Theunitrequiresanadequateflowofcoolingairfor

itscontinuedproperoperation.Neveroperatethe

unitinsideanyroomorenclosurewherethefree

flowofcoolingairintoandoutoftheunitmightbe

obstructed.Withoutsufficientcoolingairflow,the

unitquicklyoverheats,damagingthegeneratoror

nearbyproperty.

• Allowatleast2feetofclearanceonallsidesof

generator,evenwhileoperatingunitoutdoors,or

youcoulddamagetheunit.ReviewColdWeather

Operationonpage9.

• Neverstartorstoptheunitwithelectricalloads

connectedtoreceptaclesANDwiththeconnected

devicesturnedON.Starttheengineandletit

stabilizebeforeconnectingelectricalloads.

Disconnectallelectricalloadsbeforeshuttingdown

thegenerator.

•Never operate generator:

in rain; in any enclosed compartment; if engine

speed changes; if connected electrical devices

overheat; if electrical output is lost; if engine or

generator sparks; if flame or smoke is observed

while unit is running; if unit vibrates excessively.

GROUNDING THE

GENERATOR

The National Electric Code requires the frame and

external electrically conductive parts of generator be

properly connected to approved earth ground. Local

electrical codes may also require proper grounding of

the unit. For that purpose, a GROUNDING WING NUT

(Figure 1) is provided on the cradle frame.

Grounding Wing Nut

Generally, connecting a No. 12 AWG (American Wire

Gauge) stranded copper wire to the grounding wing

nut and to an earth-driven copper or brass grounding

rod (electrode) provides adequate protection against

electrical shock. However, local codes may vary

widely. Consult with a local electrician for grounding

requirements in your area. Be sure to keep the

grounding wire secure while you connect to the

grounding rod.

Properly grounding the generator helps prevent

electrical shock if a ground fault condition exists in the

generator or in connected electrical devices. Proper

grounding also helps dissipate static electricity, which

often builds up in ungrounded devices.

GeneracPortableProducts7500EXLExtendedLifeGenerator

KNOW YOUR GENERATOR

Read this owner's manual and safety rules before operating your generator.

Compare the illustrationswith your generator to familiarize yourself with the locations of various controls and

adjustments. Save this manual for future reference

Circuit Breakers (AC)

12 Volt DC

Receptacle

Idle Control Switch

Electric Start Button

Recoil Starter

Choke Lever

120 Volt AC,

30 Amp Locking

Receptacle

120/240 Volt AC, 30 Amp /

Locking Receptacle /

120 Volt AC, 20 Amp

Receptacles Grounding Wing Nut

Run/Stop Switch

Spark Arrestor Muffler

240 Volt AC, 50 Amp

Receptacle

12 Volt DC Receptacle i Use this receptacle with

battery charge cables to charge a 12 Volt battery.

120 Volt AC, 20 Amp Receptacles iMay be used to

supply electrical power for the operation of 120 Volt

AC, single phase, 60 Hz electrical lighting, appliance,

tool and motor loads.

120 Volt AC, 30 Amp Locking Receptacle i May be

used to supply electrical power for the operation of

120 Volt AC, 30 Amp, single phase, 60 Hz electrical

lighting, appliance, tool and motor loads.

120/240 Volt AC, 30 Amp Locking Receptacle --

May be used to supply electrical power for the

operation of 120 and/or 240 Volt AC, 30 Amp, single

phase, 60 Hz electrical lighting, appliance, tool and

motor loads.

240 Volt AC, 50 Amp Receptacle i May be used to

supply electrical power for the operation of 240 Volt

AC, 50 Amp, single phase, 60 Hz electrical loads.

Choke Lever iUsed when starting a cold engine.

Circuit Breakers (AC) -- Each receptacle is provided

with a "push to reset" circuit breaker to protect the

generator against electrical overload.

Electric Start Switch -- Pressed to start the engine.

Grounding Wing Nut -- Use this connection to

properly ground the generator.

Idle Control Switch -- The idle control runs the

engine at normal (high) speeds when there is a load

present and runs the engine at idle (low) speeds when

a load is not present.

Recoil Starter = Used as an alternate means of

starting the engine.

Run/Stop Switch -- Must be in "Run" position to start

engine. Set to "Stop" to stop a running engine.

Spark Arrestor Muffler-- Exhaust muffler lowers

engine noise and is equipped with a spark arrestor

screen.

GeneracPortableProducts7500EXLExtendedLifeGenerator

Yourgeneratorrequiressomeassemblyandisready

foruseafterithasbeenproperlyservicedwiththe

recommendedoilandfuel.

Ifyou have any problems with the assembly of

your generator, please call the generator helpline

at 1-800-270-1408.

IMPORTANT: Any attempt to run the unit before it has

been serviced with the recommended oil will result in

an engine failure.

REMOVE GENERATOR

FROM CARTON

• Set the carton on a rigid flat surface with "This Side

Up" arrows pointing upward.

• Carefully open the top flaps of the shipping carton.

Review "Cold Weather Operation" on page 9.

• Cut down corners at one end of carton from top to

bottom and lay that side of carton down flat.

• Remove all packing material, carton fillers, etc.

• Remove the generator from the shipping carton.

CARTON CONTENTS

Check alt contents If any parts are missing or

damaged, call the generator helpline at

1-800-270-1408.

•The generator

Electric start battery cables

Generator and engine owner's manuals

Locking 20 Amp and 30 Amp plugs

Battery charge cables

Battery tray mounting bracket/hardware

Spare spark plug and air filter element

Spark plug wrench

INSTALLING TRAY AND

BATTERY

You must purchase and install a 12 Volt DC battery

(Series U1-109). The battery should be serviced with

electrolyte fluid and fully charged prior to installation.

Install the battery as follows:

• Find the battery tray and fasteners shipped loose in

the carton. The battery bracket, two 7" J-bolts, two

lock washers and two hex nuts are included.

• Remove the four battery tray screws from base.

• Position the battery tray and install (Figure 2). I

• Set battery onto tray and attach bracket, J-bolts, lock

washers, flat washers, and hex nuts (Figure 3).

Tighten hardware with 3/8" wrench.

GeneracPortableProducts7500EXLExtendedLifeGenerator

,_. CAUTION: Be sure the black cable is

connected to the engine mount and not the

frame. You could damage the ground wire.

•Connect the red battery cable from the engine

starter switch to positive (+) battery terminal

(Figure 4)

• Connect the black battery cable to the negative (-)

battery terminal (Figure 4).

• Connect the other end of the black cable to the

engine, not the frame.

BEFORE STARTING THE

ENGINE

Perform the following tasks before trying to start the

generator engine:

Add Engine Oil

NOTE: In the future, When adding oil to the engine

crankcase use only high quality detergent oil rated

with API service classification SF and SG. Use no

special additives DO NOT USE SAE 10W-40.

Select the oil's viscosity grade according to your

expected operating temperature:

I colder _ 32°F -_,_warmer

5W-30 10W-30

Although multi-viscosity oils (5W30, 10W30, etc.)

improve starting in cold weather, these multi-viscosity

oils will result in increased oil consumption when used

above 32°E Check your engine oil level frequently to

avoid possible damage from running low on oil. See

the engine owner's manual for further information.

To add oil to the engine:

• Place generator on a level surface.

• Clean area around oil fill and remove oil cap.

• Slowly add oil through the oil fill opening until it

reaches the top. DO NOT OVERFILL.

• Install oil cap, hand tighten securely.

,_ CAUTION: Any attempt to crank or start the

engine before it has been properly serviced

with the recommended oil will result in an

engine failure.

NOTE: The generator's revolving field rides on a pre-

lubricated and sealed ball bearing that requires no

additional lubrication for the life of the bearing.

Add Fuel

,_ DANGER: NEVER fill fuel tank indoors.

NEVER fill fuel tank when engine is running or

hot. Do Not light a cigarette or smoke when

filling the fuel tank

,_. CAUTION: Do Not overfill the fuel tank

Always allow room for fuel expansion.

Use only regular UNLEADED gasoline.

IMPORTANT: It is important to prevent gum deposits

from forming in essential fuel system parts such as the

carburetor, fuel filter, fuel hose or tank during storage.

Also, experience indicates that alcohol-blended fuels

(called gasohol, ethanol or methanol) can attract

moisture, which leads to separation and formation of

acids during storage. Acidic gas can damage the fuel

system of an engine while in storage.

GeneracPortableProducts7500EXLExtendedLifeGenerator

Toavoidengineproblems,thefuelsystemshouldbe

emptiedbeforestorageof30daysorlonger.Drainthe

gastank,starttheengineandletitrununtilthefuel

linesandcarburetorareempty.Usefreshfuelnext

season.See"Storage"onpage12foradditional

information.

Neveruseengineorcarburetorcleanerproductsinthe

fueltankorpermanentdamagemayoccur.

Toadd fuel:

• Clean area around fuel fitl cap, remove cap.

• Slowly add "UNLEADED" regular gasoline, slowly, to

fuel tank. Leave about a 1/2" space in the fuel tank

for fuel expansion (Figure 5). Do Not overfill fuel

tank.

.1/2" Air Space

• Install fuel cap and wipe up any spilled gasoline.

OPERATING THE

GENERATOR

,_. CAUTION! Never start, or stop, the generatorwith electrical loads connected to the unit AND

with the connected devices turned ON.

Starting the Engine

• Disconnect all electrical loads from the generator

• Open the fuel shut-off valve, as shown in Figure 6.

For Electric Start:

• Prepare engine for starting according to engine

owner's manual

• Press starter switch until engine cranks and starts.

For Manual Start:

• Prepare engine for starting according to engine

owner's manual.

• Pull slowly on recoil handle until you feel some

resistance. Then pull rapidly to start engine. Return

recoil slowly, Do Not let it "snap back".

Refer to the engine owner's manual for complete

starting instructions.

Applying Electrical Loads

• Let engine stabilize and warm up for about five

minutes after starting.

• Plug in and turn on the desired 120 or 240 Volt AC,

single phase, 60 Hz electrical loads. DO NOT

OVERLOAD THE GENERATOR. The total rated

watts (or amps) of all loads to be connected at one

time should not be greater than the rated

wattage/amperage capacity of the generator. See

"Don't Overload the Generator" on page 11.

Stopping the Engine

•Disconnect all electrical loads

•Run engine at no-load for a few minutes to stabilize

unit's internal temperatures.

•Turn off engine according to engine owner's manual.

•Close the fuel shut-off valve

GeneracPortableProducts7500EXLExtendedLifeGenerator

Operating Automatic Idle Control

This switch is designed to greatly improve fuel

economy. When this switch is turned ON, the engine

will only run at its normal high governed engine speed

when an electrical load is connected. When an

electrical load is removed, the engine wilt run at a

reduced speed. With the switch OFF, the engine will

run at the normal high engine speed. Always have

the switch OFF when starting and stopping the

engine.

Battery Safety

ADANGER: Storage batteries give off explosive

hydrogen gas while recharging. An explosive

mixture will remain around the battery for a

long time after it has been charged. The

slightest spark can ignite the hydrogen and

cause an explosion, which can shatter the

battery and cause blindness or other injury.

,_ll DANGER: Do Not permit smoking, open

flame, sparks or any other source of heat

around a battery. Wear protective goggles,

rubber apron and rubber gloves when working

around a battery. Battery electrolyte fluid is an

extremely caustic sulfuric acid solution that can

cause severe bums. If spill occurs flush area

with clear water immediately.

Charging a Battery

Your generator has the capability of recharging a

discharged 12 Volt automotive or utility style storage

battery. Do Not use the unit to charge any 6 Volt

batteries Do Not use the unit to crank an engine

having a discharged battery

To recharge 12 Volt batteries, proceed as follows:

•Check fluid level in all battery cells If necessary,

add ONLY distilled water to cover separators in

battery cells. Do Not use tap water.

• If the battery is equipped with vent caps, make sure

they are installed and are tight.

• If necessary, clean battery terminals.

• Connect battery charge cable connector plug to

panel receptacle identified by the words

"12-VOLTS D.C.".

• Connect battery charge cable clamp with red handle

to the positive (+) battery terminal (Figure 7).

Red

12 VOLT D.C.

RECEPTACLE

Black

POS NEG

• Connect battery charge cable clamp with black

handle to the negative (-) battery terminal,

(Figure 7).

• Start engine. Let the engine run while battery

recharges.

• When battery has charged, shut down engine

NOTE: Use an automotive hydrometer to test battery

state of charge and condition. Follow the hydrometer

manufacturer's instructions carefully. Generally, a

battery is considered to be at 100% state of charge

when specific gravity of its fluid (as measured by

hydrometer) is 1.260 or higher.

GeneracPortableProducts7500EXLExtendedLifeGenerator

COLD WEATHER

OPERATION

Under certain weather conditions (temperatures below

40°F [4°C] and a high dew point), your Generac

generator may experience icing of the carburetor

and/or the crankcase breather system.

In an emergency, use the original shipping box as a

temporary shelter:

• Cut off all flaps.

• Cut out one of the long sides of the box to expose

exhaust side of unit. Ensure a minimum of two feet

clearance between open side of box and nearest

object.

• Cut appropriate slots to access receptacles and

clear handles.

•Start unit, then place box over it.

IMPORTANT!: Remove shelter when temperature is

above 40°F [4°C].

For a more permanent shelter, build astructure that

will enclose three sides and the top of the generator:

•Make sure entire muffler-side of generator is

exposed. Note that your generator may appear

different from that shown in Figure 8.

• Ensure a minimum of two feet clearance between

open side of box and nearest object

• Face exposed end away from wind and elements.

• Enclosure should hold enough heat created by the

generator to prevent problems.

,_. CAUTION: NEVER run unit indoors; Do Not

enclose generator any more than shown.

Remove shelter when temperatures are above

40°F [4°C].

CORD SETS/RECEPTACLES

This generator is equipped with the following

receptacles:

120 Volt AC, 20 Amp Receptacle

This outlet is protected against overload by a 20 Amp

)ush-to-reset circuit breaker.

Use each socket to operate 120 Volt AC, single phase

60 Hz electrical loads requiring up to 2400 watts

(2.4 kW) at 20 Amps (Figure 9). Use cord sets that are

rated for 125 Volt loads at 20 Amps (or greater).

120 Volt AC, 30 Amp Locking

Receptacle

Use a NEMA L5-30 plug with this receptacle Connect

a 3-wire cord set rated for 125 Volt AC loads at

30 Amps to the plug (Figure 10).

3-WireCordSet

Generac Portable Products 7500EXL Extended Life Generator

NEMA L5-30 r7_7 Ground

(Green)

Neutral

120V

Hot

Use this receptacle to operate 120 Volt AC, 60 Hz,

single phase loads requiring up to 3600 watts (3.6 kW)

of power at 30 Amps. The outlet is protected by a 30

Amp push-to-reset circuit breaker.

120/240 Volt AC, 30 Amp Locking

Receptacle

Use a NEMA L14-30 plug with this receptacle.

Connect a 4=wirecord set rated for 250 Volt AC loads

at 30 Amps or greater. You can use the same 4-wire

cord if you plan to run a 120 Volt load (Figure 11)

4-Wire Cord Set

Y (Hot) X (Hot)

Ground

NEMA L14-30 (Green)

This receptacle powers 120 Volt AC, single phase,

60 Hz loads requiring up to 3,600 watts of power

(3.6 kW). Or it will operate 240 Volt AC, single phase,

60 Hz loads up to 7,200 watts 7.2 kW). The outlet is

protected by a 30 Amp push-to-reset circuit breaker.

240 Volt AC, 50 Amp Receptacle

Use a NEMA 14-50 plug with this receptacle Connect

a 4-wire cord set rated for 240 Volt AC loads at

50 Amps to the plug (Figure 12).

_=========240 VoltsA¢ ===========_

NEMA ]4-50

Use this receptacle to operate 240 Volt AC, 60 Hz,

single phase loads requiring up to 7,500 watts

(7.5 kW) of power.

ACAUTION! Although this outlet states it has a

250 Volt 50 Amp rating (up to 12,500 watts),

the generator is only rated for 7,500 Watts.

Powering loads that exceed the wattage/

amperage capacity of the generator can

damage it or cause serious injuries. 240 Volt

loads powered through this outlet should not

exceed 31.2 Amps of current draw.

/10

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