Generac Power Systems 1277-0 Manuale utente

Mobile Backup Power System Owner’s Manual

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.

Model No. 1277-0 (7,200 Watt Mobile Backup Power System) Manual No. B4678 Revision 2 (06/20/2001)

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

Problems?

Questions?

Before taking your unit

back to the store,

call the generator

helpline at

1–800–270–1408

M–F 8–5 CT

7200WATT

Generac Portable Products 7200 Watt Mobile Backup Power System

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, appliances, tools and motor loads.This manual

contains information for a generator that operates

120 and/or 240 Volt, single phase, 60 Hz devices that

require up to 7,200 watts (7.2 kW) of power that pull up

to 60.0 Amps at 120 Volts or 30.0 Amps at 240 Volts.

CAUTION! 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 7,200 watts. See

“Don’t Overload the Generator” on page 11.

The generator’s revolving field is driven at about 3,600 rpm

by a single-cylinder engine.

Every effort has been made to ensure that information in

this manual is accurate and current. However, Generac

reserves the right to change, alter or otherwise improve the

product and this document at any time without prior

notice.

CAUTION! 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

correct 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.When adequate

engine power is not available engine life may be

shortened.

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.

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.

DANGER! You must isolate the generator from

the electric utility using approved transfer

equipment 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.

Whenever unit is providing backup power, the

electric utility must be notified.

DANGER! Generator exhaust gases contain

DEADLY carbon monoxide gas. If breathed in

sufficient concentrations, carbon monoxide

can cause unconsciousness or death. Operate

this equipment outdoors where adequate ventilation

is available.

The engine exhaust from this product contains

chemicals known to the State of California

to cause cancer, birth defects,

or other reproductive harm.

WARNING:

Generac Portable Products 7200 Watt Mobile Backup Power System

• The generator produces a very powerful voltage that can

cause serious injury or death by electrocution. Never

touch bare wires or receptacles. Never permit a child or

any unqualified person to operate the generator.

•Never handle any kind of electrical cord or device while

standing in water, while barefoot or while hands or feet

are wet. Death or serious injury from electrocution may

result.

• Use a ground fault circuit interrupter (GFCI) in any damp

or highly conductive area (such as metal decking or steel

work).

•Never use worn, bare, frayed or otherwise damaged

electrical cords with the generator. Death, serious injury

and property damage from electrical shock may result.

•Gasoline is highly FLAMMABLE and its vapors are

EXPLOSIVE. Never allow smoking, open flames,

sparks or heat in the vicinity while handling

gasoline. Avoid spilling gasoline on a hot engine. Comply

with all laws regulating storage and handling of gasoline.

•Do Not overfill the fuel tank.Always allow room for fuel

expansion. If tank is overfilled, fuel can overflow

onto a hot engine and cause a FIRE or an

EXPLOSION.

•Never store a generator with fuel in the tank where

gasoline vapors might reach an open flame, spark or pilot

light (as on a furnace, water heater, clothes dryer). FIRE

or an EXPLOSION may result.

• The unit requires an adequate flow of cooling air for its

continued proper operation. Never operate the unit

inside any room or enclosure where the free flow of

cooling air into and out of the unit might be obstructed.

Allow at least 2 feet of clearance on all sides of generator,

even while operating unit outdoors, or you could damage

the unit.

•Never start, or stop the unit with electrical loads

connected to receptacles with the connected devices

turned ON. Start the engine and let it stabilize before

connecting any electrical loads. Disconnect all electrical

loads before shutting down the generator.

•Do Not insert any object through cooling slots of the

engine.You could damage the unit or injure yourself.

•Never operate the generator:

in rain; in any enclosed compartment; when 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 Electrical Code requires that the frame and

external electrically conductive parts of this generator be

properly connected to an approved earth ground. Local

electrical codes may also require proper grounding of the

unit. For that purpose, a GROUNDING WING NUT is

provided on the generator end (Figure 1).

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. Be careful to keep the grounding wire attached after

connecting the stranded copper wire. However, local codes

may vary widely. Consult with a local electrician for

grounding requirements in your area.

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.

Figure 1 — Grounding Wing Nut

Grounding Wing Nut

Generac Portable Products 7200 Watt Mobile Backup Power System

Your generator requires some assembly and is ready for

use after it has been properly serviced with the

recommended oil and fuel.

If you 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 all contents. If any parts are missing or damaged, call

the generator helpline at 1-800-270-1408.

• The Generator

• Power Transfer System (See Power Transfer System

manual for installation and operating instructions)

• Generator and Engine Owner’s Manuals

• 2 Bottles of Engine Oil

• Battery Float Charger

• Battery, Battery Tray, and Electric Start Components

• Wheel Kit

• Rechargeable Emergency Flashlight

INSTALL WHEEL KIT

To install your wheel kit, you need the following tool:

• Socket wrench with 1/2" or 13mm sockets.

• Philips head screwdriver.

Install Wheel Kit as follows: (See Figure 2)

• Place the generator on a hard flat surface.Temporarily

raise unit on blocks to ease assembly.

Figure 2 — Assemble Wheel Kit

Handle

Lanyard

Loop

Wheel

Axle

Spring Clip

Self Drilling Screw

Flat Washer Retaining Pin

Wheel

Spacer

Locking

Nut

Flat

Washer

Flat

Washer

Handle

Release

Front wheel

Assembly

Cap Screw

Generac Portable Products 7200 Watt Mobile Backup Power System

• Slide the axle through the holes in the brackets provided

on the generator cradle and then add the two spacers on

each protruding end of the axle.

• Slide a wheel on each end of the axle and secure with

washer and retaining pin.

NOTE: Install the wheels with the air inflation valve facing

outward.

• Slide the handle release pin lanyard loop onto the front

wheel assembly.

• Attach the front wheel assembly to the cradle with cap

screws, flat washers and lock nuts. Remove the

temporary blocks.

• Attach three spring clips to the generator using pre-

threaded self drilling screws.

• Attach the handle onto the front wheel assembly with

fthe handle release pin or attach the handle to the side

of the generator using the spring clips.

• Check that all fasteners are tight and the tires are at the

proper inflation.The operating range should be 15-40 PSI.

INSTALLING TRAY AND

BATTERY

NOTE: The generator can be started manually. If you

choose not to use the electric start feature of this

generator, you do not need to install the battery.

For shipping purposes, the battery and battery tray were

not installed.The battery is fully charged for shipping.

Install the battery as follows:

• Find the battery tray and fasteners shipped loose in the

carton.

• Remove the four battery tray screws from cradle.

• Position the battery tray and install with supplied

hardware (Figure 3).

• Set battery onto tray with the positive terminal to the

right.

• Retain battery to tray with battery hold down bracket,

two J bolts, two lock washers, two flat washers and two

hex nuts (Figure 4).

• Connect the red battery cable from the engine starter

switch to positive (+) terminal on the battery

(Figure 5).

Figure 4 — Secure 12 Volt Battery

Figure 3 — Install Battery Tray

Figure 5 — Wire Connections

BLACK wire

from battery

RED wire

from battery

Generac Portable Products 7200 Watt Mobile Backup Power System

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

terminal on the battery (Figure 5).

• Connect the other end of the black cable to the engine,

not the frame (Figure 5).

CAUTION! Be sure the BLACK cable is connected to

the engine mount and not the frame or damage to the

ground wire could occur.

BEFORE STARTING THE

ENGINE

Add Oil

CAUTION! Any attempt to crank or start the engine

before it has been properly filled with the recommended

oil may result in an engine failure.

To fill your engine with oil:

• Place generator on a level surface.

• Follow the oil grade recommendations and oil fill

instructions given in the engine owner’s manual.

NOTE: The generator’s revolving field rides on a

prelubricated and sealed ball bearing that requires no

additional lubrication for the life of the bearing.

Add Gasoline

WARNING! 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.

WARNING! Do Not overfill the fuel tank.

Always allow room for fuel expansion.

• Use regular UNLEADED gasoline with the generator

engine. Do Not use premium gasoline. Do Not mix oil

with gasoline.

• Clean area around fuel fill cap, remove cap.

• Slowly add unleaded regular gasoline to fuel tank. Be

careful not to overfill.Allow about 1/2" of tank space for

fuel expansion (Figure 6).

• Install fuel cap and wipe up any spilled 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.

To avoid engine problems, the fuel system should be

emptied before storage of 30 days or longer. See “Storage”

on page 12. Never use engine or carburetor cleaner

products in the fuel tank or permanent damage may occur.

Figure 6 — Typical Fuel Expansion Space

Generac Portable Products 7200 Watt Mobile Backup Power System

KNOWYOUR GENERATOR

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

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

adjustments. Save this manual for future reference.

120 Volt AC, 20 Amp

Receptacles 120/240 Volt AC, 30 Amp

Receptacle

Light

Air Cleaner

Spark Arrester

Muffler

Hour Meter

Fuel Tank

Light Switch

DC Float

Charger Jack

Circuit

Breakers

Run–Stop Switch

Choke Lever

Engine Start Switch

120 Volt AC, 20 Amp Receptacles — May be used to

supply electrical power for the operation of 120 Volt AC,

20 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.

Air Cleaner — Uses a dry type filter element and foam

precleaner to limit the amount of dirt and dust that gets in

the engine.

Choke Lever — Used when starting a cold engine.

Circuit Breakers (AC) — Each receptacle is provided

with a circuit breaker to protect the generator against

electrical overload. Breakers are "push to reset" type.

DC Float Charger Jack — Plug the battery float charger

into this jack and into a building wall outlet to provide a

trickle charge during storage.

Engine Start Switch - Press to start the engine.

Fuel Tank — Capacity of eight (8) U.S. gallons.

Grounding Wing Nut — (Not shown, see page 3) Used

for proper grounding of unit.

Hour Meter — The hour meter records the total number

of hours the generator has been running and is used to

schedule maintenance tasks.

Light, Light Switch — The light provides light during a

power outage so that the generator can be connected to

the Power Transfer System safely.The light is turned on and

off with the Light Switch.

Recoil Starter — (Not shown) Used as backup method

of starting the engine.

Run/Stop Switch — Set this switch to "RUN" before

starting. Set switch to "STOP" to turn off engine.

Spark Arrestor Muffler — Exhaust muffler lowers

engine noise and is equipped with a spark arrestor screen.

Generac Portable Products 7200 Watt Mobile Backup Power System

OPERATING THE

GENERATOR

CAUTION! Never start or stop unit with

electrical loads connected AND with the connected

devices turned ON.

IMPORTANT: Always unplug the battery float charger

before starting the generator.

Starting the Engine

Disconnect all electrical loads from the generator. Use the

following start instruction steps by numerical order:

1. Turn the fuel valve to the “On” position (Figure 7).

3. Set the Run/Stop switch to “Run” position (Figure 8).

4. Place the choke lever in the “Full” choke position

(Figure 9).

5A. For electric starting, press start switch on generator

cradle.To prolong the life of the starter components,

press the starter button for no more than 15 seconds,

and pause for 30 seconds.

5B. For manual starting, grasp the recoil handle and pull

slowly until slight resistance is felt.Then pull rapidly

one time only to start engine.

• If engine starts, proceed to step 7.

• If engine fails to start, proceed to step 6.

6. Move the choke lever to “Half” choke position, and

pull recoil handle twice.

• If engine fails to start, repeat steps 4 thru 6.

7. Move choke lever to “Run” position. If engine falters,

move choke lever to “Half” choke position until the

engine runs smoothly and then to “Run” position.

NOTE: If engine still fails to start after 3 pulls, check for

proper oil level in crankcase.This unit is equipped with a

Low Oil Shutdown System. See engine manual.

Refer to the engine owner’s manual for complete

starting instructions.

Connecting Electrical Loads

• Let engine stabilize and warm up for a few minutes after

starting.

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

single phase, 60 Hz electrical loads.

•Do Not connect 240 Volt loads to the 120 Volt

receptacles.

Figure 9 — Choke Lever

“Full” choke

Position

Figure 7 — Fuel Shut-offValve

Figure 8 — Run/Stop Switch

Generac Portable Products 7200 Watt Mobile Backup Power System

•Do Not connect 3–phase loads to the generator.

•Do Not connect 50 Hz loads to the generator.

•DO NOT OVERLOAD THE GENERATOR. When

not used with the Power Transfer System, add up the

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

time.This total 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

• Unplug all electrical loads from generator panel

receptacles. Never start or stop engine with electrical

devices plugged in and turned on.

• Let engine run at no–load for 30 seconds to stabilize the

internal temperatures of engine and generator.

• Move run/stop switch to “Stop”.

• Close the fuel shut–off valve.

COLD WEATHER

OPERATION

Under certain weather conditions (temperatures below

40°F [4°C] and a high dew point), your 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 of unit.

• Start unit, then place box over it.

IMPORTANT: Remove shelter when temperature is

above 40°F [4°C].

For a more permanent shelter, build a structure 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 10.

• 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!Neverrun unit indoors. Do Not

enclose generator any more than shown.

Figure 10 — Temporary Cold Weather Shelter

Wind

RECEPTACLES

120 Volt AC, 20 Amp, Duplex

Receptacle

Each receptacle (Figure 11) is protected against overload by

a 20 Amp push–to–reset circuit breaker.

Use each receptacle to operate 120Volt AC, single–phase,

60 Hz electrical loads requiring up to 2400 watts (2.4 kW)

at 20 Amps of current. Use cord sets that are rated for

125 Volt AC loads at 20 Amps (or greater).

Light

A light is provided on the control panel to assist movement

in the dark.Turn on the light using the switch on the

control panel.

Always turn off the light when not needed as it drains the

generator battery.Turn off the light when the generator is

running.

120/240 Volt AC, 30 Amp, Locking

Receptacle

Use a NEMA L14–30 plug with this receptacle. Connect a

4–wire cord set rated for 250 Volt AC loads at 30 Amps (or

greater) (Figure 12).You can use the same 4–wire cord if

you plan to run a 120Volt load.

This receptacle powers 120/240Volt AC, 60 Hz, single

phase loads requiring up to 3600 watts of power at

30 Amps for 120 Volts; 7200 watts of power (7.2 kW) at

30 Amps for 240Volts.The outlet is protected by a 30 Amp

push–to–reset circuit breaker.

Use this plug to connect the unit to the Power Transfer

System (as described in the Power Transfer System owner’s

manual).

DC Float Charger Jack

Use battery charger jack with the provided battery charger

to keep the starting battery charged and ready for use.

Battery charging should be done in a dry location, such as

inside a garage.

• Plug charger into the unit’s “12V DC Battery Charger”

jack. Plug battery charger into a 120 Volt AC wall

receptacle.

• Unplug the charger completely when generator is being

started and while it is in operation.

• Use the charger whenever the generator is not in use to

prolong battery life.The charger has a built in float

equalizer and will not overcharge the battery, even when

plugged in for an extended period of time.

Hour Meter

The hour meter operates whenever the unit’s engine runs.

Use the hour meter to plan service tasks required in the

engine owner’s manual.

Generac Portable Products 7200 Watt Mobile Backup Power System

Figure 12 — 120/240 Volt AC, 30 Amp, Locking Receptacle

Figure 11 — 120 Volt AC, 20 Amp, Duplex Receptacle

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