Simplicity 076035-0 Guide d'installation

GE Home Generator Systems

48000 Watt Home

Generator System

Installation and

Start-Up Manual

2

Thank you for purchasing this quality-built GE home generator. We’re pleased that you’ve placed your confidence in the

GE brand. When operated and maintained according to the instructions in the operator’s manual, your home generator

will provide many years of dependable service.

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

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

optional home standby system that provides an alternate source of electric power and to serve loads such as heating,

refrigeration systems, and communication systems that, when stopped during any power outage, could cause

discomfort or inconvenience. Save these original instructions for future reference.

This home standby generator requires professional installation before use. The installer should follow the

instructions completely.

Where to Find Us

You never have to look far to find support and service for your generator. For quick service when you need

it most fill out the information below and keep your original receipt with this manual. You may contact

Customer Service at 888‑575‑8226 between 8:00 AM and 5:00 PM CT., or click on SERVICE & SUPPORT at

www.homestandbygeneratorsystems.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: _____________________________

Generator

Model Number _____________________________

Model Revision _____________________________

Serial Number _____________________________

Engine

Serial Number _____________________________

3

Table of Contents

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

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

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

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

Unpacking Precautions................................................7

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

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

Electrical and Fuel Inlet Locations.....................................10

The Gaseous Fuel System ............................................13

Fuel Conversion .....................................................14

Fuel Consumption ...................................................15

System Connectors ..................................................16

Grounding the Generator.............................................18

Final Installation Considerations ......................................20

Initial Start‑up (No Load) .............................................21

Operation.................................................22

Automatic Operation Sequence .......................................22

Setting Exercise Timer ...............................................22

Installation Inspection ...............................................23

Schematic Diagram........................................ 24

Wiring Diagram ........................................... 27

4

Safety Rules

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.

Important Safety Instructions

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 generator system unsafe.

Fire

Toxic Fumes

Explosive Pressure

Rotating Fan Blade

Lift Hazard Read Manual

Exploding BatteryRotating Belt/Pulley

Chemical BurnAuto Start

Hot SurfaceRotating Parts

Electrical ShockExplosion

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.

• Install a battery operated carbon monoxide alarm near

the bedrooms.

• Keep exhaust gas from entering a confined area through

windows, doors, ventilation intakes, or other openings.

WARNING The engine exhaust from this product contains

chemicals known to the State of California to cause cancer, birth

defects, or other reproductive harm.

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.

5

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.

WARNING Generator produces hazardous voltage.

Failure to properly ground generator could result

in electrocution.

Failure to isolate generator from power utility could result

in death or serious injury to electric utility workers due to

backfeed of electrical energy.

• When using generator for backup power, notify utility company.

• DO NOT touch bare wires or 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 residential 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’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, serious injury and/or

property damage.

• 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 Hazardous Voltage - Contact with power lines could

cause electric shock or burn, 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 generator without assistance.

• Use lifting pipes as described in Lifting the Generator.

• DO NOT lift unit by roof as damage to generator will occur.

6

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.

WARNING Exhaust heat/gases could ignite combustibles or

structures resulting in death, serious injury and/or

property damage.

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.

• DO NOT install the generator closer than 5 feet (1.5m) from any

combustibles or structures with combustible walls having a fire

resistance rating of less than 1 hour.

• Keep at least minimum distances shown in General Location

Guidelines to insure for proper generator cooling and

maintenance clearances.

• It is a violation of California Public Resource Code, Section 4442,

to use or operate the engine on any forest-covered, brush-

covered, or grass-covered land unless the exhaust system is

equipped with a spark arrester, as defined in Section 4442,

maintained in effective working order. Other states or federal

jurisdictions may have similar laws.

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.

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, remove 15 Amp fuse from control panel and

disconnect Negative (NEG or ‑) battery cable.

WARNING Hot pressurized coolant could cause serious injury

and/or property damage.

• DO NOT open radiator cap when hot.

• Before servicing, allow coolant to cool.

CAUTION Installing the 15A 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.

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/door 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.

NOTICE Exceeding generators wattage/amperage capacity could

damage generator and/or electrical devices connected to it.

• Start generator and let engine stabilize before connecting

electrical loads.

7

 • Readandfollowtheinstructionsgiveninthe

Operator’s Manual.

 • Followaregularscheduleinmaintaining,caringfor

and using your home generator, as specified in the

Operator’s Manual.

Home Owner Responsibilities

The system is equipped with an optional water heater that is

activated when ambient temperature is less than 80°F AND

utility power is present at the transfer switch.

If you need more information on this matter, please call

888‑575‑8226, between 8:00 AM and 5:00 PM CT.

 • Readandobservethesafetyrules.

 • InstallonlyanULapprovedtransferswitchthatis

compatible with the generator.

 • Readandfollowtheinstructionsgiveninthis

Installation and Start-up Manual.

Installing Dealer/Contractor Responsibilities

The unit is shipped ready for installation on a prepared

reinforced cement slab or engineered base. Avoid

damage from dropping, bumping, collision, etc. Store and

unpack carton with the proper side up, as noted on the

shipping carton.

Unpacking Precautions

Installation

This product is intended for use as an optional home

generator system which provides an alternate source

of electric power and to serve loads such as heating,

refrigeration systems, and communication systems that,

when stopped during any power outage, could cause

discomfort or inconvenience. This product does not qualify

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

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 home generator system

installations. Installations must strictly comply with all

applicable codes, industry standards and regulations.

8

After removing the carton, carefully inspect the generator 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. Missing or damaged parts are not warranted.

Delivery Inspection

The home generator system is supplied with:

 • Fully-servicedcoolantsystem

 • Fully-servicedoil/lubricatingsystem

 • Flexiblefuelhook-uphose

 • Installationandstart-upmanual

 • Operator’smanual

 • Accessdoorkeys

 • Spare15AmpATO-typefuse

 • Ten-pincontrolpanelconnector

 • Touchuppaint

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

Not Supplied:

 • Startingbattery(seep.20)

 • Reinforcedconcretepad

 • Connectingwireandconduit

 • Fuelsupplyvalves/plumbing

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

 • Crane,liftingstraps,chainsorcables

 • Holepunchesfor7gasteel

 • Torquescrewdriver,5to50inch-poundrange

 • Voltage/frequencymeter

 • Variousspecialtoolsandequipment

Shipment Contents

Before installing the generator, consult with the homeowner

and convey the following guidelines, which may affect the

desired location.

Generator Location

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.

• Install a battery operated carbon monoxide alarm near

the bedrooms.

• Keep exhaust gas from entering a confined area through

windows, doors, ventilation intakes, or other openings.

WARNING Exhaust heat/gases could ignite combustibles

or structures resulting in death, serious injury and/or

property damage.

• DO NOT install the generator closer than 5 feet (1.5m) from any

combustibles or structures with combustible walls having a fire

resistance rating of less than 1 hour.

9

A Non-Combustible material with Fire Resistant Rating of

1 hour or greater

B Home Standby Generator

C Engine Exhaust

D Combustible Material or Structure with a Fire

Resistance Rating of less than 1 hour

E Any structure or material. DO NOT connect (A) and/or

(D) to (E)

Install generator outdoors in an area which will not

accumulate deadly exhaust gas. DO NOT install generator

where exhaust gas could accumulate and enter inside or be

drawn into a potentially occupied building. Ensure exhaust

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

other openings that could allow exhaust gas to collect in a

confined area. Prevailing winds and air currents should be

taken into consideration when positioning generator.

General Location Guidelines

 • InstalltheunitoutdoorsONLY.

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

level, and has provisions for water drainage.

 • Installtheunitinalocationwheresumppump

discharge, rain gutter down spouts, roof run-off,

landscape irrigation, or water sprinklers will not flood

the unit or spray the enclosure and enter any air inlet

or outlet openings.

 • Installtheunitwhereitwillnotaffectorobstruct

any services (including covered, concealed and

underground), such as telephone, electric, fuel,

irrigation, air conditioning, and so forth.

 • Installtheunitwhereairinletandoutletopenings

will not become obstructed by leaves, grass, snow,

etc. If prevailing winds will cause blowing or drifting,

you may need to construct a windbreak to protect

the unit.

 • Installthegeneratorascloseaspossibletothe

transfer switch and fuel supply to reduce the length of

wiring, conduit, and piping.

Laws or local codes may regulate the distance to the

fuel supply.

The minimum (MIN) clearances from aerial view of generator

(B) to combustible (D), and non-combustible (A) materials is

shown below.

 • Thesedistancesareprovidedtogivegenerator

location guidance relative ONLY to combustibles,

generator cooling, and maintenance.

 • Theminimumdistancesinthefigureareasshown.

All four sides of the generator cannot be enclosed

or restricted, even if the minimum distances are

maintained. DO NOT connect (A) and/or (D) to (E).

 • Aroofcannotbeused.

 • Exhaust(C) must not be allowed to accumulate.

C

DD

A

B

E E

10

Concrete Slab

At the appropriate location, construct a concrete slab:

 • 28daycompressionstrengthof3000psi(200MPa)

 • Minimum5”(13cm)thick

 • Minimum6”(15cm)widerthanenclosureonallsides

(shown as D in figure)

 • StrengthenslabwithNo.6reinforcingbars(on

12”(30.5cm)centers)or8ga.steelwirefabric(6”

(15cm) centers).

Avoid placing reinforcement in entrance stub-up area (shown

as (B)).

Attach unit to slab at four corner locations (A) with minimum

5/16”diameter(8mm)masonryanchorboltslongenoughto

secure the unit.

The fuel inlet location (C) and the concrete slab (D) are shown

for reference.

34-1/4”

87cm

14-3/4”

37.5cm

92”

233.7cm

51”

129.5cm

6”

15.2cm

5”

12.7cm

7-1/2”

19cm

C

D

A

B

Electrical and Fuel Inlet Locations

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

figure above). If stub-up’s are not used, (F) indicates the

recommended location for punching holes for attaching

power conduit. The 1 inch N.P.T. fuel inlet connector (C) is

shown for reference.

C

F

A Holes located in base to anchor to pad

B Stub up Area

C Fuel Inlet

D Concrete slab

11

Remove circuit breaker box bottom plate prior to positioning

generator.Two60”lengthsof2”Schedule40pipe(A),

supplied by the installer, are required to lift the generator

onto cement pad. Insert pipes through the lifting holes (B)

located near the unit’s base.

Use a spreader bar to ensure that the chains, straps or

cables DO NOT touch the generator’s roof. Retouch any

chipped paint with supplied touch-up paint.

Lifting the Generator

The generator weighs more than 1,700 pounds (771 kg).

Proper tools, equipment and qualified personnel should be

used in all phases of handling and moving the generator.

A B

WARNING Hazardous Voltage - Contact with power lines could

cause electric shock or burn, 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 generator without assistance.

• Use lifting pipes as described in Lifting the Generator.

• DO NOT lift unit by roof as damage to generator will occur.

12

F

C

E

D

A B

The generator is equipped with an enclosure that has

several access doors, as shown. The doors are named for a

significant component located behind them, as follows:

A - Fuel Inlet port (shown for reference)

B - Control Panel door (may be two doors)

C - Exhaust opening (shown for reference)

D - Coolant/Oil Fill door

E - Battery door

F - Muffler door

The Coolant Fill, Battery and Control Panel doors must be

installed whenever the unit is running to assure proper

cooling, reduce noise and for added safety. The enclosure

also includes muffler and radiator access panels, used for

cleaning those components. Those panels should remain

closed at all other times.

Access Ports

Each generator is shipped with a set of identical keys. These

keys fit the locks that secure the access ports.

To open access door:

1. Insert key into lock of access door handle and turn

key one quarter turn counterclockwise.

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

counterclockwise to open. Remove key.

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

can be used for adding coolant or oil.

To close access door:

1. Close door and turn door’s handle one quarter

turn clockwise.

2. Insert key into lock of door handle and turn key one

quarter turn clockwise. Remove key.

Additional force may be required to fully close and lock

the doors because they create a pressurized seal for the

generator enclosure.

WARNING 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.

13

 • Aminimumofoneaccessible,approvedmanual

shutoff valve (F) shall be installed in the fuel supply

line within 6 ft (1.8 m) of the home generator.

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

the primary fuel regulator and the generator fuel inlet

connection (acts as accumulator for high block loads).

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

the building.

 • 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 information below is provided to assist gaseous fuel

system technicians in planning installations. In no way

should this information be interpreted to conflict with

applicable fuel gas codes. Consult with your local fuel

supplier or Fire Marshall if questions or problems arise.

TO THE INSTALLER: Consult with the home generator

owner(s) and convey any technical considerations that

might affect their installation plans before applying these

general guidelines.

The following general rules apply to gaseous fuel

system piping:

 • Thepipingshouldbeofamaterialthatconforms

to federal and local codes, rigidly mounted and

protected against vibration.

 • Pipingshouldbeprotectedfromphysicaldamage

where it passes through flower beds, shrub beds, and

other cultivated areas where damage could occur.

 • Installtheflexible,gaseoushose(B)(supplied)between

the home generator Fuel Inlet port (A) and rigid piping

to prevent thermal expansion or contraction from

causing excessive stress on the piping material.

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

downstream from this valve to permit removal of

controls.

 • 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

complete, 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 (E) where condensate is not likely

to freeze.

The Gaseous Fuel System

WARNING Propane and Natural Gas are extremely flammable

and explosive, which could cause burns, fire or

explosion resulting in death, serious injury and/or

property damage.

• 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.

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

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

14

There are numerous on-line or otherwise-published

references for fuel pipe sizing. For example, NFPA 54 -

National Fuel Gas Code, 2006 (Item #: 320-6031-06) is a

common resource. 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.

Fuel Conversion

The unit is shipped from the factory calibrated for NG

operation. To convert the engine from NG to LP vapor, follow

these steps:

1. Set generator circuit breaker to OFF.

2. Set control panel system switch to OFF.

3. Remove 15 Amp fuse from system control panel.

4. Locate the fuel selector switch (A). Using a 6 mm Allen

wrench, turn the selector switch to either LP or NG.

5. Reinstall 15 Amp fuse in system control panel.

6. Set exercise timer.

Fuel Pipe Sizing

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

engine power. Specifically, engine power will decrease 3.5% for

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

10° F (5.6°C) above 77°F (25°C). Make sure you and your installer

consider these factors when determining total generator load.

Both LP vapor and natural gas fuel supply pressure at the

generator’s fuel inlet port should be between 7 to 11 inches

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

and operating.

Fuel Pressure

Power Loss

A

15

Fuel Consumption

Estimated fuel supply requirements at half and full load for

natural gas and LP vapor fuels are shown here.

Natural Gas LP Vapor

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

48kW 334 C 510 C 231 C 391 C

334,000 B 510,000 B 577,500 B 977,500 B

C = Cubic feet per hour

B = BTU’s per hour

Physical

Properties

LP Vapor Natural

Gas

Normal Atmospheric

State

Gas Gas

Boiling Point (in °F):

Initial

End

-44

-259

Heating Value:

BTU per gallon (Net

LHV*)

BTU per gallon (gross**)

Cubic feet (gas)

83,340

91,547

2,500

63,310

1,000

Density*** 36.39 57.75

Weight† 4.24 2.65

Octane Number:

Research

Motor

110+

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”.

16

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

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

location of these connections. Count down to the proper pin location on the control board since visual alignment with the

decal can be misleading:

System Connectors

A ‑ Ten Pin Connector Plug—Usedtoconnectsignalwires

to the control panel. Connect only one wire per terminal.

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.

C ‑ Transfer Switch Communication—Connecttotransfer

switch control board for communication interface using

18AWG twisted pair wire.

D ‑ Remote LED Output—Usethistohookuptheremote

LED supplied with the generator. The remote LED will

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

detected in the generator.

E ‑ +12 Volt DC, .5 Amp Output—Internalauxiliary

power supply.

 • Forpoweroutputconnection,use#1/0AWGminimum300volt,167°F-194°F(75°C-90°C)wire,(ref.NECTable310.16,

100 ft.(30 m) Use National Electric Code for correction factors and wire size calculations.)

 • ForUtilityCircuitconnectionuse#14AWGminimum300volt,167°F-194°F(75°C-90°C)wire.

 • Fortransferswitchcommunicationuse#18AWGtwistedpairconductors,nogreaterthan200ft(60m)inlength,

300 volt, 167 °F-194 °F (75 °C-90 °C) wire.

 • Whenconnectingtotheten-pinconnectorplug,fastenonlyonewiretoeachconnectorscrew.

 • Torqueconnectorplugscrewsto7in-lb(7.9Newtonmeter).

C

E

D

A

B

17

Generator AC Connection System

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

the home generator. The stator assembly consists of a pair

of stationary windings with two leads brought out of each

winding. The junction of leads 22 and 33 forms the neutral

lead, as shown schematically and as wiring diagram. A

complete schematic and wiring diagram can be found later

in this manual.

Neutral is not bonded to ground at generator.

When making connections, obey wire type and torque

specifications shown on the circuit breaker and neutral/

ground connector.

10 A10 A

240 VAC

NG

44 11

22

120 V

240 V

44

11

33

Neutral

To Transfer Switch

Control

Board

Ground

Power Winding

Circuit

Breaker

Line 1

Optional

Water

Heater

Neutral

To Transfer Switch

Utility Fuse Connection

Line 2 Ground

18

Fault Detection System

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

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

with sensors that automatically shut down the generator

in the event of potentially damaging conditions, such as

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

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

manual for more detailed information.

The owner will use the remote LED indicator to observe

the status of the home generator system. The remote LED

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

detected in the generator system. Consult with the owner

for a convenient location. Locate the electrical box in an

area visible by the home owner such as near a garage door

opener or security control panel.

To install the remote LED indicator:

1. Push the LED through the mounting plate from

the front until it snaps in place. The LED is

polarity sensitive.

2. Using provided 10 pin connector and installer-

supplied minimum 18AWG wire, connect the remote

LED to the generator control board +LED and GND

connection. Use wire nuts to attach wire to LED leads.

3. Attach mounting plate to installer-supplied

electrical box.

Utility Circuit Connection

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

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

board and optional water heater. This power also charges

the battery. When power on these leads is lost, the generator

will start.

Using installer-supplied #14 AWG minimum 300 volt

75°C-90°C wire, connect each ten-amp fuse terminal in the

alternator junction box to the two-amp fuse terminals in the

automatic transfer switch.

When making connections, obey wire type and torque

specifications printed on the circuit breaker and neutral/

ground connector.

Ground the generator per applicable codes, standards and

regulations. There are two generator GND lug locations.

The one inside the alternator junction box next to the circuit

breaker (A) is the primary lug and should suffice for most

applications. The second generator GND lug (B) is located

on the frame below the generator circuit breaker cover

and should ONLY be used for a ground rod located at the

generator, if required by local codes.

Grounding the Generator

A

B

C

19

System Control Panel

The home generator control panel, located inside the

generator housing, is shown below.

Brief descriptions of the controls used during installation are:

A ‑ Circuit Breaker —MustbeON to supply power to the

transfer switch. Breaker enclosure includes removable

bottom panel to assist with conduit connections.

B ‑ SET EXERCISE—Usedtosetexercisecyclestarttime.

C ‑ MANUAL OVER‑RIDE—Usedtomanuallystartandstop

the generator.

D ‑ 15 Amp fuse—ProtectsDCcontrolcircuits.Protects

the home generator DC control circuits. If the fuse has

‘blown’ (melted open) or was removed, the engine cannot

crank or start. Replace the fuse using only an identical

ATO 15 Amp fuse. One spare fuse is supplied with the

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

the exercise timer (see Setting Exercise Timer).

E ‑ System Switch—Thistwo-positionswitchisthemost

important control on the home generator and is used as

follows:

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

utility power outage is sensed, the system will start

the generator. When utility power is restored, lets the

engine stabilize internal temperatures, shuts off the

generator, and waits for the next utility power outage.

 • “OFF”positionturnsoffrunninggenerator,prevents

unit from starting and resets any detected faults.

F ‑ Digital Display—Displaysrunningtimeinhours,

fault codes, and engine malfunction.

G ‑ AVR Module—Locatedunderthiscover.

See Controls in the Operator’s Manual for more information.

C

E

D

A

B

F

20

Fuel Supply System

Ensure that all fuel pipe connections are tight, secure and

without leaks.

Ensure that all gas line shutoff valves are OPEN and that

adequate fuel pressure is available whenever automatic

operation is desired.

Engine Oil

The engine is shipped from the factory pre-run and filled

with non-synthetic oil (API SL 10W-30). This allows for system

operation in a wide range of temperature and climate

conditions. Before starting the engine, check oil level and

ensure that engine is serviced as described in the operator’s

manual.

Coolant System

The 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. The coolant system incorporates

an optional water heater that operates when ambient

temperature is below 80ºF AND utility power is present at the

transfer switch. Periodically check coolant level as described

in the operator’s manual.

Final Installation Considerations

Battery

The installer must supply and install a valve-regulated

rechargeable starting battery. The starting battery MUST

conform to the specifications shown in this chart.

Battery Specifications

Volts 12 Volt DC

Amps (MIN) 650 CCA (cold cranking amps)

Type Valve Regulated Lead Acid (VRLA)

Terminal Hardware Post

Dimensions (MAX):

Width 7.5 inches (191mm)

Length 11.25 inches (286mm)

Height 10.0 inches (254mm)

Install the battery as described in Servicing the Battery in

the Maintenance section of the operator’s manual. Always

make sure the NEGATIVE cable is connected last.

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

been properly serviced with the recommended coolant or oil will

result in equipment failure.

• Refer to Maintenance in the operator’s manual for coolant and oil

fill information.

• Damage to equipment resulting from failure to follow this

instruction will void engine and generator warranty.

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.

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