Instrukcja obsługi Generac QT13068GNSN

Generac generator QT13068GNSN

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STATIONARY EMERGENCY GENERATOR

OWNER'S MANUAL

This manual should remain with the unit.

Serial Number QT

6.8L

130kW

Models

A new standard of reliability

Cover011 Rev. A 03/09 Part No. 0F3604

Standby Generator Sets

Table of Contents

SECTION PAGE

SAFETY RULES ................................................ 1-1

INTRODUCTION .....................................................1-3

Read this Manual Thoroughly ...................................1-3

Operation and Maintenance ......................................1-3

How to Obtain Service ..............................................1-3

IDENTIFICATION RECORD .....................................2-1

Data Label ................................................................2-1

EQUIPMENT DESCRIPTION ...................................3-1

Equipment Description ................................................3-1

Engine Oil Recommendations ......................................3-1

Coolant Recommendations...........................................3-1

ENGINE PROTECTIVE DEVICES ............................4-1

Coolant Temperature Sensing ...................................4-1

Low Coolant Level .....................................................4-1

Oil Pressure Sensing .................................................4-1

Overcrank Shutdown ................................................4-1

Overspeed Shutdown ................................................4-1

RPM Sensor Loss Shutdown .....................................4-1

DC Fuse ....................................................................4-1

FUEL SYSTEMS .....................................................5-1

Fuel Requirements ....................................................5-1

Natural Gas Fuel System ..........................................5-1

Propane Vapor Withdrawal Fuel System....................5-1

LP Fuel System .........................................................5-1

SPECIFICATIONS ...................................................6-1

Generator .................................................................6-1

Engine.......................................................................6-1

Cooling System .........................................................6-1

Fuel System ..............................................................6-1

Electrical System ......................................................6-1

Cold Weather Kit .......................................................6-2

5.4L & 6.8L Ignition Description .................................6-3

Ignition Power-up Input (“56 Line Input”) .................6-3

Ignition Enable (“14 Line Input”) ..............................6-3

Ignition Shutdown on Loss of Crank

or CAM Signals .........................................................6-3

Diagnostic Blink Patterns (Red LED Located

on the Ignition Control Board ...................................6-3

GENERAL INFORMATION .......................................7-1

Generator AC Lead Connections ..................................7-1

Four-lead, Single-phase Stator ..................................7-1

Alternator Power Winding Connections ........................7-1

3-phase Alternators ..................................................7-1

INSTALLATION .......................................................8-1

Installation ...................................................................8-1

Preparation Before Start-up .........................................8-1

Transfer Switch ........................................................8-1

Fuel System ..............................................................8-1

Generator Set Lubrication ........................................8-1

Prior to Initial Start-up .............................................8-1

Initial Inspection for QT Genset Start-up .....................8-2

Start-up Inspection ...................................................8-2

OPERATION ...........................................................9-1

Generator Control and Operation ................................9-1

Operating Unit with Automatic Transfer Switch ...........9-1

Operating Unit with Manual Transfer Switch ...............9-1

Engine Start-up and Transfer ...................................9-1

Retransfer and Shutdown .........................................9-1

MAINTENANCE .....................................................10-1

Maintenance Performed by Authorized

Service Facilities .....................................................10-1

Cooling System ..........................................................10-1

Checking Fluid Levels ................................................10-1

Check Engine Oil ....................................................10-1

Battery Fluid ...........................................................10-1

Engine Coolant .......................................................10-2

Maintenance Owner/Operator Can Perform ................10-2

Check Engine Oil Level ...........................................10-2

Check Battery .........................................................10-2

Exercise System ......................................................10-2

Inspect Cooling System ...........................................10-2

Check Engine Coolant Level....................................10-2

Perform Visual Inspection .......................................10-2

Inspect Exhaust System ..........................................10-2

Check Fan Belt ........................................................10-2

Inspect Engine Governor ........................................10-2

Changing Engine Oil ...............................................10-2

Changing the Engine Air Cleaner ............................10-3

Spark Plugs ............................................................10-3

Coolant Change .......................................................10-3

Miscellaneous Maintenance ........................................10-3

Cleaning the Generator ...........................................10-3

Battery ....................................................................10-4

Battery Maintenance ...............................................10-4

Battery Replacement ...............................................10-4

SERVICE SCHEDULE ...........................................11-1

30 kW - 150 kW Standby Gas Engine

Driven Generator Sets ............................................11-1

TROUBLESHOOTING ...........................................12-1

Troubleshooting Guide ...............................................12-1

NOTES

EXPLODED VIEWS & PARTS LISTS

WIRING DIAGRAMS & SCHEMATICS

WARRANTY

Content003 Rev. 0 08/05

1-1

INTRODUCTION

Thank you for purchasing this model of the Stationary Emergency

Generator set product line.

Every eﬀort was expended to make sure that the information and

instructions in this manual were both accurate and current at the

time the manual was written. However, the manufacturer reserves

the right to change, alter or otherwise improve this product(s) at

any time without prior notice.

READ THIS MANUAL THOROUGHLY 

If any portion of this manual is not understood, contact the near-

est Authorized Service Dealer for starting, operating and servicing

procedures.

Throughout this publication, and on tags and decals aﬃxed to the

generator, DANGER, WARNING, CAUTION and NOTE blocks are

used to alert personnel to special instructions about a particular

service or operation that may be hazardous if performed incor-

rectly or carelessly. Observe them carefully. Their deﬁnitions are

as follows:

DANGER

After this heading, read instructions that, if not

strictly complied with, will result in serious per-

sonal injury, including death, or property damage.

After this heading, read instructions that, if not

strictly complied with, may result in personal

injury or property damage.

After this heading, read instructions that, if not

strictly complied with, could result in damage to

equipment and/or property.

NOTE:

After this heading, read explanatory statements that require

special emphasis.

These safety warnings cannot eliminate the hazards that they

indicate. Common sense and strict compliance with the special

instructions while performing the service are essential to prevent-

ing accidents.

Four commonly used safety symbols accompany the DANGER,

WARNING and CAUTION blocks. The type of information each

indicates is as follows:

 This symbol points out important safety informa-

tion that, if not followed, could endanger per-

sonal safety and/or property of others.

 This symbol points out potential explosion

hazard.

 This symbol points out potential ﬁre hazard.

 This symbol points out potential electrical shock

hazard.

The operator is responsible for proper and safe use of the equip-

ment. The manufacturer strongly recommends that the operator

read this Owner's Manual and thoroughly understand all instruc-

tions before using this equipment. The manufacturer also strongly

recommends instructing other users to properly start and operate

the unit. This prepares them if they need to operate the equipment

in an emergency.

OPERATION AND MAINTENANCE 

It is the operator's responsibility to perform all safety checks, to

make sure that all maintenance for safe operation is performed

promptly, and to have the equipment checked periodically by

an Authorized Service Dealer. Normal maintenance service and

replacement of parts are the responsibility of the owner/operator

and, as such, are not considered defects in materials or workman-

ship within the terms of the warranty. Individual operating habits

and usage contribute to the need for maintenance service.

Proper maintenance and care of the generator ensure a minimum

number of problems and keep operating expenses at a minimum.

See an Authorized Service Dealer for service aids and accessories.

Operating instructions presented in this manual assume that the

generator electric system has been installed by an Authorized

Service Dealer or other competent, qualiﬁed contractor. Installation

of this equipment is not a “do-it-yourself” project.

HOW TO OBTAIN SERVICE 

When the generator requires servicing or repairs, simply contact

an Authorized Service Dealer for assistance. Service technicians

are factory-trained and are capable of handling all service needs.

When contacting a dealer about parts and service, always supply

the complete Model Number, Serial Number and Type Code (where

applicable) from the DATA LABEL that is aﬃxed to the unit.

AUTHORIZED SERVICE DEALER LOCATION

To locate the nearest AUTHORIZED

SERVICE DEALER, please call this number:

1-800-333-1322

or locate us on the web at:

www.generac.com

Stationary Emergency Generator

Important Safety Instructions

Safety 001 Rev. C 08/09

Study these SAFETY RULES carefully before installing, operating

or servicing this equipment. Become familiar with this Owner’s

Manual and with the unit. The generator can operate safely, eﬃ-

ciently and reliably only if it is properly installed, operated and

maintained. Many accidents are caused by failing to follow simple

and fundamental rules or precautions.

The manufacturer cannot anticipate every possible circumstance

that might involve a hazard. The warnings in this manual, and on

tags and decals aﬃxed to the unit are, therefore, not all inclusive.

If a procedure, work method or operating technique is used that

the manufacturer does not speciﬁcally recommend, ensure that it

is safe for others. Also make sure the procedure, work method or

operating technique utilized does not render the generator unsafe.

DANGER

 Despite the safe design of this generator,

operating this equipment imprudently, neglect-

ing its maintenance or being careless can cause

possible injury or death. Permit only responsible

and capable persons to install, operate or main-

tain this equipment.

 Potentially lethal voltages are generated by

these machines. Ensure all steps are taken to

render the machine safe before attempting to

work on the generator.

 Parts of the generator are rotating and/or hot

during operation. Exercise care near running

generators.

 GENERAL HAZARDS 

For safety reasons, the manufacturer recommends that this • equipment be installed, serviced and repaired by an Authorized

Service Dealer or other competent, qualified electrician or instal-

lation technician who is familiar with applicable codes, standards

and regulations. The operator also must comply with all such

codes, standards and regulations.

Installation, operation, servicing and repair of this (and related) • equipment must always comply with applicable codes, stan-

dards, laws and regulations. Adhere strictly to local, state and

national electrical and building codes. Comply with regulations

the Occupational Safety and Health Administration (OSHA) has

established. Also, ensure that the generator is installed, operat-

ed and serviced in accordance with the manufacturer’s instruc-

tions and recommendations. Following installation, do nothing

that might render the unit unsafe or in noncompliance with the

aforementioned codes, standards, laws and regulations.

The engine exhaust fumes contain carbon monoxide gas, which • can be DEADLY. This dangerous gas, if breathed in suﬃcient

concentrations, can cause unconsciousness or even death. For

that reason, adequate ventilation must be provided. This should

be considered prior to installing the generator. The unit should

be positioned to direct exhaust gasses safely away from any

building where people, animals, etc., will not be harmed. Any

exhaust stacks that ship loose with the unit must be installed

properly per the manufacturer's instruction, and in strict compli-

ance with applicable codes and standards.

Keep hands, feet, clothing, etc., away from drive belts, fans, • and other moving or hot parts. Never remove any drive belt or

fan guard while the unit is operating.

Adequate, unobstructed ﬂow of cooling and ventilating air is • critical in any room or building housing the generator to prevent

buildup of explosive gases and to ensure correct generator

operation. Do not alter the installation or permit even partial

blockage of ventilation provisions, as this can seriously aﬀect

safe operation of the generator.

Keep the area around the generator clean and uncluttered. • Remove any materials that could become hazardous.

When working on this equipment, remain alert at all times. • Never work on the equipment when physically or mentally

fatigued.

Inspect the generator regularly, and promptly repair or replace • all worn, damaged or defective parts using only factory-

approved parts.

Before performing any maintenance on the generator, discon-• nect its battery cables to prevent accidental start-up. Disconnect

the cable from the battery post indicated by a NEGATIVE, NEG

or (–) ﬁrst. Reconnect that cable last.

Never use the generator or any of its parts as a step. Stepping • on the unit can stress and break parts, and may result in dan-

gerous operating conditions from leaking exhaust gases, fuel

leakage, oil leakage, etc.

 SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted in

potential hazard areas. Safety should be stressed to all operators, potential operators, and service and repair technicians

for this equipment.

The engine exhaust from this product

contains chemicals known to the state

of California to cause cancer, birth

defects or other reproductive harm.

WARNING:

 

This product contains or emits chemicals

known to the state of California to cause

cancer, birth defects or other reproductive harm.

WARNING:

 

1-2

Stationary Emergency Generator

Important Safety Instructions



Safety 001 Rev. C 08/09

 ELECTRICAL HAZARDS 

All Stationary Emergency Generators covered by this manual • produce dangerous electrical voltages and can cause fatal

electrical shock. Utility power delivers extremely high and dan-

gerous voltages to the transfer switch as well as the generator.

Avoid contact with bare wires, terminals, connections, etc.,

on the generator as well as the transfer switch, if applicable.

Ensure all appropriate covers, guards and barriers are in place

before operating the generator. If work must be done around

an operating unit, stand on an insulated, dry surface to reduce

shock hazard.

Do not handle any kind of electrical device while stand-• ing in water, while barefoot, or while hands or feet are wet.

DANGEROUS ELECTRICAL SHOCK MAY RESULT.

If personnel must stand on metal or concrete while installing, • operating, servicing, adjusting or repairing this equipment,

place insulative mats over a dry wooden platform. Work on the

equipment only while standing on such insulative mats.

The National Electrical Code (NEC) requires the frame and • external electrically conductive parts of the generator to be con-

nected to an approved earth ground. This grounding will help

prevent dangerous electrical shock that might be caused by a

ground fault condition in the generator or by static electricity.

Never disconnect the ground wire.

Wire gauge sizes of electrical wiring, cables and cord sets must • be adequate to handle the maximum electrical current (ampac-

ity) to which they will be subjected.

Before installing or servicing this (and related) equipment, make • sure that all power voltage supplies are positively turned oﬀ at

their source. Failure to do so will result in hazardous and pos-

sibly fatal electrical shock.

Connecting this unit to an electrical system normally supplied • by an electric utility shall be by means of a transfer switch so as

to isolate the generator electric system from the electric utility

distribution system when the generator is operating. Failure to

isolate the two electric system power sources from each other

by such means will result in damage to the generator and may

also result in injury or death to utility power workers due to

backfeed of electrical energy.

Stationary Emergency Generators installed with an automatic • transfer switch will crank and start automatically when normal

(utility) source voltage is removed or is below an acceptable

preset level. To prevent such automatic start-up and possible

injury to personnel, disable the generator’s automatic start cir-

cuit (battery cables, etc.) before working on or around the unit.

Then, place a “Do Not Operate” tag on the generator control

panel and on the transfer switch.

In case of accident caused by electric shock, immediately • shut down the source of electrical power. If this is not pos-

sible, attempt to free the victim from the live conductor. AVOID

DIRECT CONTACT WITH THE VICTIM. Use a nonconducting

implement, such as a dry rope or board, to free the victim from

the live conductor. If the victim is unconscious, apply ﬁrst aid

and get immediate medical help.

Never wear jewelry when working on this equipment. Jewelry • can conduct electricity resulting in electric shock, or may get

caught in moving components causing injury.

 FIRE HAZARDS 

Keep a ﬁre extinguisher near the generator at all times. Do NOT • use any carbon tetra-chloride type extinguisher. Its fumes are

toxic, and the liquid can deteriorate wiring insulation. Keep the

extinguisher properly charged and be familiar with its use. If

there are any questions pertaining to ﬁre extinguishers, consult

the local ﬁre department.

 EXPLOSION HAZARDS 

Properly ventilate any room or building housing the generator to • prevent build-up of explosive gas.

Do not smoke around the generator. Wipe up any fuel or oil • spills immediately. Ensure that no combustible materials are left

in the generator compartment, or on or near the generator, as

FIRE or EXPLOSION may result. Keep the area surrounding the

generator clean and free from debris.

These generators may operate using one of several types • of fuels. All fuel types are potentially FLAMMABLE and/or

EXPLOSIVE and should be handled with care. Comply with all

laws regulating the storage and handling of fuels. Inspect the

unit’s fuel system frequently and correct any leaks immediately.

Fuel supply lines must be properly installed, purged and leak

tested according to applicable fuel-gas codes before placing

this equipment into service.

Diesel fuels are highly FLAMMABLE. Gaseous ﬂuids such • as natural gas and liquid propane (LP) gas are extremely

EXPLOSIVE. Natural gas is lighter than air, and LP gas is heavier

than air; install leak detectors accordingly.

1-3

Stationary Emergency Generator

Important Safety Instructions

Safety 001 Rev. C 08/09

IDENTIFICATION RECORD

DATA LABEL 

Every generator set has a DATA LABEL that contains

important information pertinent to the generator. The

data label, which can be found attached to the gen-

erator’s lower connection box, lists the unit’s serial

number and its rated voltage, amps, wattage capac-

ity, phase, frequency, rpm, power factor, production

date, etc.

WAUKESHA, WI

RATED KW

RATED VOLTAGE

POWER FACTOR

ENGINE RPM

ALTERNATOR SUBTRANSIENT REACTANCE

ALTERNATOR TRANSIENT REACTANCE

CLASS

MODEL

MADE IN USA

PRODUCTION DATE

GENERAC POWER SYSTEMS, INC.

HERTZ

RATED KVA

GENERATOR SET DATA

RATED AMPS

ALT RPM

PHASE

SERIAL

ROTOR STATOR WINDING INSULATION AT 25 C AMBIENT°

NOTE:

For actual information related to this particular

model, please refer to the Manual Drawing Listing

located at the end of this manual, or to the data

label affixed to the unit.

Stationary Emergency Generator Model and 

Serial Number

This number is the key to numerous engineering and

manufacturing details pertaining to your unit. Always

supply this number when requesting service, order-

ing parts or seeking information.

Identification Code 

Use this code to obtain important information about

the generator. For example, if the code is:

M — Designates generators capable of paralleling.

NOTE: Only 100kW and 150kW, 6.8L units

are currently available for this configura-

tion.

QT — Quiet Test Generator Series

100 — kw Rating

5.4 — Engine Size in Liters

A — Voltage Code: A = 120/240, Single-phase;

G = 120/208, Three-phase; K = 277/480,

Three-phase; J = 120/240, Three-phase;

L = 346/600, Three-phase

N — Fuel: N = Natural Gas; V = Vapor Propane

S — Enclosure Material: A = Aluminum; S

= Steel (Corrosion Resistant Aluminum

Enclosure Material, Steel is Standard)

N — Emission Equipment: N = No Equipment;

Y = Catalytic Converter and Air/Fuel Ratio

Controller

A — Industrial Dealer Product

Voltage Codes 

The identification code letter following the unit’s

engine size is the generator’s “voltage code.”

Groups and Assembly Numbers 

The manual drawing listing lists the groups and cor-

responding assembly numbers for each unit. The

assembly numbers refer to exploded view drawing

numbers that are applicable to the specific generator

model. These drawings are located in the back half

of this manual.

2-1

Stationary Emergency Generator

General Information

Identy001 Rev. D 10/08

M Q T 1 0 0 5 4 A N S N A



DANGER



3-1

FUEL SYSTEM

FUEL REQUIREMENTS 

The Stationary Emergency Generator may be equipped with one of

the following fuel systems:

• Natural gas fuel system

• Propane vapor (PV) fuel system

• Liquid propane (LP) fuel system

Recommended fuels should have a Btu content of at least 1,000

Btu's per cubic foot for natural gas; or at least 2,520 Btu's per

cubic foot for LP gas. Ask the fuel supplier for the Btu content of

the fuel.

Required fuel pressure for natural gas is 11 inches to 14 inches

water column (0.4 to 0.5 psi); and for liquid propane, 11 inches

to 14 inches of water column (0.4 to 0.5 psi).

NOTE:

Any piping used to connect the generator to the fuel supply

should be of adequate size to ensure the fuel pressure NEVER

drops below 11 inches water column for natural gas or 11

inches water column for liquid propane for all load ranges. The

fuel supply piping shall be sized according to the installation

manual using the fuel consumption requirements identiﬁed in

the Speciﬁcations section of the Owner's Manual.

NOTE:

It is the responsibility of the installer to make sure that only

the correct recommended fuel is supplied to the generator fuel

system. Thereafter, the owner/operator must make certain that

only the proper fuel is supplied.

NATURAL GAS FUEL SYSTEM 

Natural gas is supplied in its vapor state. In most cases, the gas

distribution company provides piping from the main gas distribu-

tion line to the standby generator site. The following information

applies to natural gas fuel systems.

• Gas pressure in a building is usually regulated by national, state

and local codes.

• To reduce gas pressure to a safe level before the gas enters a

building, a primary regulator is needed. The natural gas supplier

may or may not supply such a regulator.

• It is the responsibility of the gas supplier to make sure suﬃcient

gas pressure is available to operate the primary regulator.

• Gas pressure at the inlet to the fuel shutoﬀ solenoid should not

exceed approximately 14 inches water column (0.5 psi).

PROPANE VAPOR WITHDRAWAL FUEL SYSTEM 

This type of system utilizes the vapors formed above the liquid

fuel in the supply tank. Approximately 10 to 20 percent of the tank

capacity is needed for fuel expansion from the liquid to the vapor

state. The vapor withdrawal system is generally best suited for

smaller engines that require less fuel. The installer should be aware

of the following:

• The natural gas and LP gas systems are similar. However, the

natural gas system delivers gas at a pressure of approximately

ﬁve inches water column to the carburetor.

• When ambient temperatures are low and engine fuel consump-

tion is high, the vapor withdrawal system may not function

eﬃciently.

• Ambient temperatures around the supply tank must be high

enough to sustain adequate vaporization, or the system will not

deliver the needed fuel volume.

• In addition to the cooling eﬀects of ambient air, the vaporization

process itself provides an additional cooling eﬀect.

LP FUEL SYSTEM 

LP is supplied as a liquid in pressure tanks. It is usually made up

of propane, butane, or a mixture of the two gases. Propane tends

to vaporize readily even at temperatures as low as -20° F (-29° C).

However, butane reverts to its liquid state when temperatures drop

below 32° F (0° C).

LP in a liquid withdrawal system must be converted to its gaseous

state before it is introduced into the engine carburetor. A vaporizer-

converter is generally used to accomplish this. In such a converter,

heated engine coolant is ported through the converter to provide

the necessary heat for conversion of the fuel from a liquid to a

gaseous state.

5-1

Stationary Emergency Generator

Fuel Systems

FuelSys002 Rev. D 07/09

Specyfikacje produktu

Marka:	Generac
Kategoria:	generator
Model:	QT13068GNSN

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