CUMMINS 20GSBB-6714A, 14GSBB-6716B, 20GSBB-6717A, 20GSBB-6714B, 20GSBB-6927B Installation Manual

InstallationInstallation ManualManual

Home Standby Power Generator Set

GSBB (Spec A-D)
GSBC (Spec B-D)

English
Original Instructions 3-2015 A029V088 (Issue 19)

Table of Contents

1. IMPORTANT SAFETY INSTRUCTIONS ...................................................................................... 1

1.1 Save These Instructions ........................................................................................................ 1

1.2 General Precautions .............................................................................................................. 1

1.3 Generator Voltage is Deadly .................................................................................................. 2

1.4 Engine Exhaust is Deadly ...................................................................................................... 2

1.5 Fuel is Flammable and Explosive .......................................................................................... 2

1.6 Batteries Can Explode............................................................................................................ 2

1.7 Moving Parts Can Cause Severe Personal Injury or Death .................................................. 3

1.8 The Hazards of Carbon Monoxide.......................................................................................... 3

1.8.1 What Is Carbon Monoxide Poisoning? ........................................................................ 3

1.8.2 What Are the Special Risks of CO Near the Home?................................................... 3

1.8.3 Only You Can Protect Yourself From CO Poisoning!.................................................. 4

2. INTRODUCTION............................................................................................................................ 5

2.1 About this Manual................................................................................................................... 5

2.2 Model Specifications............................................................................................................... 5

2.3 Information For After Installation............................................................................................. 8

3. STEP-BY-STEP OUTLINE OF INSTALLATION............................................................................ 9

3.1 Pre-Installation Considerations............................................................................................... 9

3.1.1 Installation Codes and Standards for Safety ............................................................. 10

3.1.2 Required Items for Installation................................................................................... 10

3.1.3 Choosing A Transfer Switch ...................................................................................... 12

3.2 Generator Set Installation Requirements.............................................................................. 16

3.3 Generator Set Installation Suggestions/Guidelines.............................................................. 16

3.4 Preparing the Site................................................................................................................. 16

3.5 Lifting and Moving the Generator Set................................................................................... 17

3.6 Staking the Generator Set in Place ...................................................................................... 17

3.7 Electrical Wiring Connections ............................................................................................... 17

3.7.1 AC Power Supply Connections.................................................................................. 18

3.7.2 Grounding .................................................................................................................. 19

3.7.3 Automatic Transfer Switch......................................................................................... 21

3.7.4 Heater and Outlet Connections.................................................................................. 21

3.7.5 Operator Panel........................................................................................................... 21

3.7.6 Load Shed Communications Wires............................................................................ 23

3.7.7 Ethernet Connections Wire........................................................................................ 26

3.7.8 Battery ....................................................................................................................... 26

3.8 Fuel System.......................................................................................................................... 27

3.8.1 Fuel Line Connections ............................................................................................... 28

3.8.2 Fuel Line Connections (Model 14GSBB-6716B Only)............................................... 29

3.8.3 Natural Gas Fuel System........................................................................................... 29

3.8.4 Propane Fuel System ................................................................................................ 31

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Table of Contents 3-2015

3.8.5 Testing the Fuel System for Leaks ............................................................................ 36

3.9 Engine Exhaust..................................................................................................................... 37

4. OPTIONAL INTERNET/EMAIL INTERFACE DESCRIPTIONS................................................... 39

4.1 Introduction .......................................................................................................................... 39

4.2 Screen Descriptions ............................................................................................................. 40

4.2.1 Setting Time and Date .............................................................................................. 40

4.2.2 Set Exercise Schedule .............................................................................................. 40

4.2.3 Load Control (Management) ..................................................................................... 41

4.2.4 Event Log .................................................................................................................. 41

4.2.5 Fault Log ................................................................................................................... 42

4.2.6 Network Setup Screen Descriptions.......................................................................... 42

4.2.7 Email Setup Screen Descriptions .............................................................................. 43

4.2.8 Saving Changes......................................................................................................... 44

5. OPTIONAL INTERNET/EMAIL INTERFACE SETUP.................................................................. 45

5.1 Network Connectivity Options............................................................................................... 45

5.2 Material/Cable Routing ......................................................................................................... 45

5.3 Network Information Needed For Setup ............................................................................... 45

5.3.1 Network Router.......................................................................................................... 45

5.3.2 Email/Internet Service Provider (ISP)........................................................................ 45

5.4 In-Home Network Access to the Generator Set .................................................................. 46

5.5 Setting Up Internet Access and E-mail Alerts....................................................................... 49

5.6 Port Forwarding ................................................................................................................... 51

5.7 Remote Viewing IP Options Static IP .................................................................................. 51

5.8 Dynamic IP Monitoring ......................................................................................................... 52

5.9 Help Hotline ......................................................................................................................... 52

5.10 Frequently Asked Questions .............................................................................................. 53

6. OPERATION ............................................................................................................................... 55

6.1 3 Position Switch................................................................................................................... 55

6.2 In-Home Operator Panel ...................................................................................................... 56

6.2.1 BACK Button.............................................................................................................. 56

6.2.2 START STOP Button................................................................................................. 56

6.2.3 Standby ON/OFF Button............................................................................................ 56

6.3 Typical Operation.................................................................................................................. 57

6.3.1 Normal Operation: Utility Power Available and Connected....................................... 60

6.3.2 Emergency Operation: Utility Power Interrupted ....................................................... 61

6.4 To Enable/Disable Standby ................................................................................................. 62

6.5 To Manually Start/Stop Generator Set ................................................................................ 62

6.6 Fault, Maintenance and New Event Screens ....................................................................... 63

6.6.1 Fault Screen............................................................................................................... 63

6.6.2 Maintenance Due Screen .......................................................................................... 64

6.6.3 New Event Screen ..................................................................................................... 64

6.7 Genset Status ...................................................................................................................... 65

6.8 Display Setup and Software Info .......................................................................................... 66

6.8.1 Brightness and Contrast ............................................................................................ 66

ii A029V088 (Issue 19)

3-2015 Table of Contents

6.8.2 Software Info.............................................................................................................. 67

6.9 Event Log.............................................................................................................................. 68

6.9.1 To Check Log of Last 20 Events................................................................................ 68

6.9.2 List of Recordable Events.......................................................................................... 68

6.10 Fault Log............................................................................................................................. 69

6.11 Exercise Settings ............................................................................................................... 70

6.12 Time Setup ......................................................................................................................... 71

6.13 Load Management.............................................................................................................. 72

6.13.1 Automatic Load Management.................................................................................. 72

6.13.2 Manual Load Management ...................................................................................... 73

7. STARTUP AND CONFIGURATION............................................................................................. 75

7.1 Installation Review ............................................................................................................... 75

7.2 Startup ................................................................................................................................. 75

7.3 Fuel Solenoid - First Startup................................................................................................. 76

7.4 Generator Set Configuration ................................................................................................ 76

7.5 Transfer Switch Configuration ............................................................................................. 78

7.6 Transfer Switch Parameter Adjustments ............................................................................. 80

7.7 Generator Adjustments......................................................................................................... 81

7.7.1 To Adjust the Output Voltage..................................................................................... 81

7.7.2 To Calibrate the Display Meter ................................................................................. 82

8. COMMUNICATION TROUBLESHOOTING................................................................................. 83

8.1 In-Home Network Access to Generator Set Troubleshooting .............................................. 83

8.2 Remote Internet Access to Generator Set Troubleshooting ................................................ 84

8.3 Email Alert Troubleshooting ................................................................................................. 85

APPENDIX A. OUTLINE AND SYSTEM DRAWINGS...................................................................... 89

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iv A029V088 (Issue 19)

1 IMPORTANT SAFETY INSTRUCTIONS

1.1 Save These Instructions

This manual contains important instructions for the generator set that should be followed during
installation, operation and maintenance of the generator and batteries.

Thoroughly read the Operator Manual before operating the generator set. Safe operation and
top performance can only be obtained when equipment is properly operated and maintained.

The following symbols in this manual alert you to potential hazards to the operator, service
person and equipment.

DANGER

Alerts you to an immediate hazard that will result in severe personal injury or
death.

WARNING

Alerts you to a hazard or unsafe practice that can result in severe personal injury or
death.

CAUTION

Alerts you to a hazard or unsafe practice that can result in personal injury or equipment
damage.

1.2 General Precautions

• Keep ABC fire extinguishers handy.

• Make sure all fasteners are secure and torqued properly.

• Keep the generator set and its compartment clean. Do not store any items in the genset
compartment.

• Excess oil, oily rags (etc.) can catch fire.

• Dirt and gear stowed in the compartment will restrict cooling air flow.

• Before working on the generator set, move the Stop Switch (S2) to the Stop position,
disconnect the remote harness (P7) to disable the ATS mounted charger and then remove
the negative (-) battery cable to prevent starting.

• Use caution when making adjustments while the generator set is running, hot, moving or
when parts are electrically live, as all situations may cause personal injury or death.

• Used engine oil has been identified by some state and federal agencies as causing cancer
or reproductive toxicity. Do not ingest, inhale or come into contact with used oil or it's
vapors.

• Do not work on the generator set when mentally or physically fatigued or after consuming
alcohol or drugs.

A029V088 (Issue 19) 1

1. IMPORTANT SAFETY INSTRUCTIONS 3-2015

1.3 Generator Voltage is Deadly

• Generator output connections must be made by a trained and experienced electrician in
accordance with all applicable codes.

• This standby generator set and the public utility may only be connected to the house
circuits by means of the automatic transfer switch.

• Improper connections can lead to electrocution of utility workers and damage to
equipment.

• Use caution when working on live electrical equipment. Remove jewelry, make sure
clothing and shoes are dry and stand on a dry wooden platform.

1.4 Engine Exhaust is Deadly

• See What Is Carbon Monoxide Poisoning? to learn the symptoms of Carbon Monoxide
poisoning.

• This generator set is for outdoor installation only.

• It must be located well away from doors, windows, other openings into the house and
where the exhaust gases will disperse away from the house.

1.5 Fuel is Flammable and Explosive

• Keep flames, cigarettes, sparks, pilot lights, electrical arc-producing equipment, switches
and all other sources of ignition well away from areas where fuel fumes are present and
areas sharing ventilation.

• Fuel lines must be secured, free of leaks and separated or shielded from electrical wiring.

• Leaks can lead to explosive accumulations of gas. Prevent leaks and the accumulation of
gas.

• A "rotten egg" smell indicates a possible Natural Gas or Propane leak:

• Natural Gas rises when released and can accumulate under hoods and inside
housings and buildings.

• Propane sinks when released and can accumulate inside housings and
basements and other below-grade spaces.

1.6 Batteries Can Explode

Batteries can explode, causing severe skin and eye burns and can release toxic electrolytes.

• Wear safety glasses.

• Do not smoke.

• Do not dispose of the battery in a fire.

• The battery is capable of exploding.

2 A029V088 (Issue 19)

3-2015 1. IMPORTANT SAFETY INSTRUCTIONS

• Do not open or mutilate the battery.

• Released electrolytes have been known to be harmful to the skin and eyes and to be
toxic.

• Batteries present the risk to high short circuit current:

• Remove watches, rings or other metal objects and use tools with insulated handles.

• To prevent arcing when disconnecting the battery:

• Move the Stop Switch (S2) to the Stop position, disconnect the remote harness (P7)
to disable the ATS mounted charger and then remove the negative (-) battery cable to
prevent starting.

• To prevent arcing when reconnecting the battery:

• First, reconnect the positive (+) cable, then the negative (-) cable, and finally
reconnect the battery charger.

• When replacing the generator set battery, always replace it with a battery as specified in
the Model Specifications section of this manual.

1.7 Moving Parts Can Cause Severe Personal Injury or Death

• Do not wear loose clothing or jewelry near moving parts such as fans.

• Keep hands away from moving parts.

• Keep guards in place, over fans.

1.8 The Hazards of Carbon Monoxide

Engine-driven generators can produce harmful levels of carbon monoxide that can injure or kill
you.

1.8.1 What Is Carbon Monoxide Poisoning?

Carbon Monoxide (CO) is an odorless, colorless, tasteless and non-irritating gas. You cannot
see it or smell it. Red blood cells, however, have a greater affinity for CO than for Oxygen.
Therefore, exposure even to low levels of CO for a prolonged period can lead to asphyxiation
(lack of Oxygen) resulting in death. Mild effects of CO poisoning include eye irritation, dizziness,
headaches, fatigue and the inability to think clearly. More extreme symptoms include vomiting,
seizures and collapse.

1.8.2 What Are the Special Risks of CO Near the Home?

Residents can be exposed to lethal levels of CO when the genset is running. Depending on air
temperature and wind, CO can accumulate in or near the home.

To protect yourself and others from the dangers of CO poisoning, it is recommended that
reliable and approved CO detector alarms be installed in the home.

WARNING

Carbon Monoxide (CO) gas can cause nausea, fainting or death.

A029V088 (Issue 19) 3

1. IMPORTANT SAFETY INSTRUCTIONS 3-2015

1.8.3 Only You Can Protect Yourself From CO Poisoning!

• Locate the generator in an area where there are no windows, doors or other access points
into the home.

• Make sure all CO detectors are working properly.

• Pay attention to the signs of CO poisoning.

• Check the exhaust system for corrosion, obstruction and leaks each time you start the
generator set and every eight hours if you run it continuously.

4 A029V088 (Issue 19)

2 Introduction

This generator set application is intended for stationary emergency use.
Important note for Brazil applications: The manufacturer warns that the installation, operation

and maintenance of equipment by the user must fully comply with the Manual's guidelines and
current Brazilian laws, including those of the Brazilian Agency of Petroleum, Natural Gas and
Fuels (ANP) and the Brazilian Energy Agency (ANEEL).

2.1 About this Manual

This manual is a guide for the installation of the generator set models listed on the front cover.
Proper installation is essential for top performance, reliable operation and safety. Read through
this manual before starting the installation.

The installation must comply with all applicable building codes.

See the generator set Operator Manual (A029V089) for operation and maintenance and the
Service Manual (A030A239) for service.

Manuals are updated from time to time to reflect changes in the equipment and its
specifications. The most up-to-date version of this manual will be found on the
QuickServe website (https://quickserve.cummins.com/info/index.html).

NOTICE

NOTICE

2.2 Model Specifications

TABLE 1. GSBB AND GSBC MODEL VARIATIONS

Product Description

20GSBB-6713A\B 60 Hz Warm
20GSBB-6714A\B 60 Hz Cold *
14GSBB-6716A\B 50 Hz (AU/NZ)
20GSBB-6717A\20GSBC-6927B 60 Hz CSA Cold *
* Includes an engine oil heater.

NOTICE

See the Cold Weather Specifications Table for recommendations.

A029V088 (Issue 19) 5

2. Introduction 3-2015

TABLE 2. COLD WEATHER SPECIFICATIONS TABLE

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

Operating Temperature Range

Above 32 °F (0 °C) and low No dryers or starting aids required.
humidity

High humidity Alternator drying heater recommended.
Below 20 °F (-7 °C) Additional oil heater recommended for starting. Factory-installed model available.
Below 0 °F (-18 °C) Additional accessory breather shield/shroud required to avoid possible engine

Below -10 °F (-23 °C) Additional accessory battery blanket recommended for starting.
Below -20 °F (-29 °C) Not warranted. See warranty statement.

damage. See warranty statement.

TABLE 3. GENERATOR SET SPECIFICATIONS TABLE

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

Dimensions

Weight (With Oil) 540 lbs (245 kg)
Size (L x W x H) 48 x 43 x 34.6 in (1219 x 864 x 880 mm)
Noise 62 dB(A) at 23 ft (7 m) at normal load. (Normal load is equal to the typical

household consumption of 3 KW.)

TABLE 4. FUEL SPECIFICATIONS TABLE (SPEC A AND CANADIAN GSBB SPEC B)

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

Fueling

1/2 Load 132,500 Btu/Hr 135,000 Btu/Hr 122,000 Btu/Hr 114,000 Btu/Hr

53 ft3/Hr 135 ft3/Hr 48 ft3/Hr 111 ft3/Hr

Full Load 275,000 Btu/Hr 240,000 Btu/Hr 229,000 Btu/Hr 213,000 Btu/Hr

109 ft3/Hr 233 ft3/Hr 91 ft3/Hr 207 ft3/Hr

Fuel Pressure (all loads)
As measured at genset fuel

regulator service port
Tank Size Contact your local gas company to verify the tank size required for your application.

7-11 inches WC 5-11 inches WC 7-11 inches WC 5-11 inches WC

6 A029V088 (Issue 19)

3-2015 2. Introduction

TABLE 5. FUEL SPECIFICATIONS TABLE (US GSBB SPEC B AND CANADIAN GSBC SPEC B)

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

Fueling

1/2 Load 195,000 Btu/Hr 177,000 Btu/Hr 165,000 Btu/Hr 150,000 Btu/Hr

78 ft3/Hr 172 ft3/Hr 66 ft3/Hr 146 ft3/Hr

Full Load 310,000 Btu/Hr 255,000 Btu/Hr 262,500 Btu/Hr 217,000 Btu/Hr

123 ft3/Hr 248 ft3/Hr 104 ft3/Hr 211 ft3/Hr

Fuel Pressure (all loads)
As measured at genset fuel

regulator service port
Tank Size Contact your local gas company to verify the tank size required for your application.

12-14 inches WC 5-7 inches WC 12-14 inches WC 5-7 inches WC

TABLE 6. ENGINE SPECIFICATIONS TABLE

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

Engine 2 Cylinder-V Twin, OHV, Air-Cooled, 4-Stroke, Spark Ignited, 3600 RPM

Displacement 60.59 in3(993 cc)
Spark Plug Gap .020 inch (.51 mm)
Spark Plug Torque 15 ft-lb (20 N-m)
Intake and Exhaust Cold Valve 0.004-0.006 inch (0.10 - 0.15 mm)

Lash
(Measure at 0.25" (6.35mm)

past top dead center)
Oil Capacity Approximately 80 oz (2.3 Liters)
Oil Recommendation 5W-30 Synthetic Engine Oil

(See Operator Manual)

TABLE 7. GENERATOR SPECIFICATIONS TABLE

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

Generator Brush-Type, 2-Pole Rotating Field, Single Bearing

Power (kVA) --- --- 13.5 13.5
Rated Voltage (V) 120/240 120/240 115/230 115/230
Rated Current (Amps) 162/81.25 144/72 117.4/58.7 117.4/58.7
Phase Type Single Phase
Circuit Breaker (Amps) 100 100 60 60

A029V088 (Issue 19) 7

2. Introduction 3-2015

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

De-rating Guidelines: Maximum wattage or maximum current are subject to and limited by such factors as fuel Btu

content, ambient temperature, altitude, engine power and condition, etc. Full rated power is available at 60 °F (15.5
°C) at sea level. De-rate 3.5% for each 1000 ft (304.8 m) above sea level and 3% for each 10 °F (5.5 °C) increase in
ambient temperature above 60 °F (15.5 °C).This generator is rated in accordance with UL 2200 (Stationary Engine
Generator Assemblies) or CSA C22.2 No. 100-04 (Motors and Generators). The maximum continuous current values
that are listed on the generator set nameplate and specification tables occur at the lower limit of acceptable voltage.
Maximum current occurs at 108 and 216 volts, 10% below nominal voltage 120/240. The voltage set point of this
generator set can be adjusted from the operator panel if desired. Refer to the Operator manual procedure To Adjust

the Output Voltage.

TABLE 8. CONTROL SPECIFICATIONS TABLE

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

Controller Integrated Microprocessor-Based Engine, Generator, Transfer Switch Controller

TABLE 9. DC SYSTEM SPECIFICATIONS TABLE

60 Hz 50 Hz

Propane Vapor Natural Gas Propane Vapor Natural Gas

DC System

Nominal Battery Voltage 12 Volts DC
Battery Group 26 R
Battery Type Maintenance Free
Minimum Cold Crank Amps 545

2.3 Information For After Installation

WARNING

Improper installation can result in severe personal injury, death and damage to
equipment. The installation must comply with all applicable building codes. It is
strongly recommended that the installer be properly trained and licensed to perform
electrical and mechanical equipment installations, however a person with the proper
knowledge and experience in installing electrical and mechanical equipment
installations may also install this genset.

Refer to the GSBB Specifications Sheet for specific information about the system and it's
components.

Refer to the Outline and System Drawings for specific information about the installation and
wiring connections.

See the Operator Manual (A029V089) for proper operation and maintenance instructions.

8 A029V088 (Issue 19)

3 Step-By-Step Outline of Installation

WARNING

The installer is responsible for complying with all applicable installation codes and
safety requirements. See the Installation Codes and Standards section of this manual
for more information.

The following sections create a step-by-step overview of a typical generator set installation.
Review these sections to become familiar with specific procedures and important safety

precautions before beginning the installation.

NOTICE

For information on pre-installation considerations (tools, materials, locating the genset,
codes and standards and specifications) see the Introduction chapter of this manual.

3.1 Pre-Installation Considerations

Before installation begins, certain actions must be considered. Prior coordination will reduce
delays and the amount of time power has to be interrupted.

Areas of consideration:

• The location of the generator set is one of the first decisions to be made, as it affects all
other aspects of the installation, such as:

• the length of electric wiring

• the length of gas lines

• Natural Gas or Propane - both of which must be inspected by the gas utility
inspectors and building inspectors

• the site preparation

• access to the site

• trenches

• site preparation materials needed

• Fuel supply pressure.

• The installation cannot be completed without connections to an automatic transfer

switch. Decide where to locate the automatic transfer switch

• Decide what tools and materials will be needed

• Maintain the minimum distance from the Propane tank fill.

• Verify the legal minimum distance with local code officials.

• Determine what (if any) accessories will be required for the customer's application. Utility
power may be required at the generator set, make plans accordingly.

A029V088 (Issue 19) 9

3. Step-By-Step Outline of Installation 3-2015

NOTICE

Depending on the locality and use of the generator set, it may be necessary to obtain
an air quality emissions permit before installation begins. Check with local pollution
control or air quality authority to determine whether or not a permit is needed.

3.1.1 Installation Codes and Standards for Safety

WARNING

The generator set installer bears sole responsibility for following all applicable local
codes and regulations.

The following list of Installation Codes and Standards for Safety applies to the installation and
operation of standby generator sets. This list is for reference only and not intended to be
inclusive of all applicable codes and standards. The address of each agency is listed so that
copies of the codes may be obtained for reference. Installation codes and recommendations are
subject to change, and may vary by location or over time.

TABLE 10. INSTALLATION CODES AND STANDARDS FOR SAFETY RECOMMENDATIONS

NFPA 70 - National Electric Code National Fire Protection Association
NFPA 37 - Installation and Use of Stationary Combustion Engines 470 Atlantic Avenue

and Gas Turbines
NFPA 54 - National Fuel Gas Code
NFPA 58 - Storage and Handling of Liquefied Petroleum Gases

CSA Electrical Bulletin Canadian Standards Association
CSA C22.2 No. 100 Housing and Construction Materials Section
CSA C22.2 No. 14 178 Rexdale Blvd.

California Administrative Code - Title 25 Chapter 3 State of California

Underwriters Laboratories Underwriters Laboratories, Inc.
UL2200 333 Pfingsten Road

Boston, MA 02210

Rexdale, Ontario, Canada M9Q 1R3

Documents Section
P.O. Box 1015
North Highlands, CA 95660

Northbrook, IL 60062-2096

3.1.2 Required Items for Installation

Specific tools and materials are required for the installation of this generator set. These items
are identified in the following sections.

10 A029V088 (Issue 19)

3-2015 3. Step-By-Step Outline of Installation

3.1.2.1 Materials Required

TABLE 11. ELECTRICAL MATERIALS

Required Optional

Appropriately-sized gauge and length AC wires with 75 °C insulation. 4 wires; L1, X
L2, N and Gnd.

Appropriate conduit for all AC wires. X
Cummins Power Generation Plug-n-Play harness from Genset to ATS. (1', 50' and X

100' lengths available for purchase)
Appropriate conduit for DC communications wires. X
Cummins Power Generation Plug-n-Play harnesses for Generator Set to in home X

display (if installing in the house). (1', 50' and 100' lengths available for purchase)
Three conductor 75 °C 300V minimum-rated wiring appropriately sized to 120 volt X

GFCI installation or to Alternator/Oil heaters (if equipped).
Appropriately-sized junction box and cover for heater/GFCI wiring (if installing). X

Provided on cold weather model.

Code compliant GFCI outlet and "While in Use - Wet Location" cover. X
Cat 5e for Internet installation. X
Two conductor 300V wire (18AWG) per Load Management relay. X
Low Voltage: SPDT relay min 1A 24VAC. X
High Voltage: SPDT relay sized to load (amp and voltage). X

TABLE 12. MOUNTING MATERIALS

Required Optional

Four base mounting spikes. Provided with generator. X
Cummins Power Generation Installation Wheel Kit is available for easy on-site X

generator transportation.

TABLE 13. FUEL MATERIALS

Required Optional

12" Flexible fuel line. Provided with generator. X
UL Listed pipe thread sealant. X
Size Fuel line. NG: 5-7" H20, LP: 12-14" H20 fuel pressure (as measured at genset X

fuel regulator service port). See Installation Manual guidelines.
Fuel regulator - as required.
Manual fuel shut-off at Genset (preferred). X

A029V088 (Issue 19) 11

3. Step-By-Step Outline of Installation 3-2015

TABLE 14. IN-HOME DISPLAY MATERIALS

Required Optional

In-home display. One (1) provided with generator. X
Four wall anchors and screws (no. 6) if mounting on stud wall. X
Standoffs and mounting fasteners if mounting on block or brick wall. X

3.1.2.1.1 Loose Parts Shipped With the Generator

The following loose parts are shipped with the generator set:

• Oil drain hose

• Flexible fuel hose assembly

• Welch plug tied to fuel regulator (US GSBB Spec B and Canadian GSBC Spec B only)

• Four base spikes (ground stakes)

• In-home display

• Two keys

• Literature - Operator Manual (A029V089), Installation Manual (A029V088) and Warranty
Statement

3.1.2.2 Tools Required

Use a forklift to move the generator set and set it in place. Alternatively, a one-man hand dolly
designed to fit the generator set base is available to move the generator set and set it in place.

Hand tools required include the following:

• Wire stripper for terminating the communications wires

• Torque wrench

• Jewelers screwdriver

• Allen wrench

• Ratchet set with 10 mm socket and extension

• Two pipe wrenches for gas connections

• Phillips-head and flat-blade screwdrivers

• Ball peen hammer

• Fuel meter (operates down to 5 in. WC)

3.1.3 Choosing A Transfer Switch

Block diagrams showing partial or full load coverage are shown on the following pages:

• UL 1008 listed, Service Entrance Rated Automatic Transfer Switch (without controller):

• RSS 100-6868

• RSS 200-6869

• CSA Approved and UL 1008 listed (with controller):

• RSS 100-6634

12 A029V088 (Issue 19)

3-2015 3. Step-By-Step Outline of Installation

• RSS 200-6635

• UL 1008 listed, Service Entrance Rated (without controller):

• RSS 100-6868

• RSS 200-6869

NOTICE

If the transfer switch is connected for full load coverage which exceeds the generator
set rating, it may be necessary to shed large loads such as air conditioners.

NOTICE

• The RSS 100 transfer switch models can be connected for full or partial load coverage

equal to the capacity of the generator set.

• The RSS 200 transfer switch models can be connected for full load coverage greater than

the capacity of the generator set.

TABLE 15. TRANSFER SWITCH CONNECTION VS. LOAD COVERAGE

Transfer Switch Model Connection Capabilities

Full Load Full or Partial Load

(Greater Than Capacity of Genset) (Equal to Capacity of Genset)

RSS 100-6634 X
RSS 200-6635 X
RSS 100-6868 X
RSS 200-6869 X

NOTICE

Model RSS 100-6634 and RSS 200-6635 transfer switches do not incorporate a utility circuit
breaker and therefore must be connected through a Service Entrance Utility Panel incorporating
the utility circuit breaker.

Perform Generator Set Configurationwhen ready to start up the generator set.

A029V088 (Issue 19) 13

3. Step-By-Step Outline of Installation 3-2015

FIGURE 1. PARTIAL COVERAGE LOAD CONNECTIONS (TRANSFER SWITCH WITHOUT

CONTROLLER)

FIGURE 2. FULL COVERAGE LOAD CONNECTIONS (TRANSFER SWITCH WITHOUT

CONTROLLER, ONE CIRCUIT BREAKER)

14 A029V088 (Issue 19)

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FIGURE 3. PARTIAL COVERAGE LOAD CONNECTIONS (TRANSFER SWITCH WITH CONTROLLER)

FIGURE 4. FULL COVERAGE LOAD CONNECTIONS (TRANSFER SWITCH WITH CONTROLLER)

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3.2 Generator Set Installation Requirements

WARNING

EXHAUST GAS IS DEADLY! Install the generator set out-doors only. The generator set
must be located away from doors, windows and other openings to the house and where
exhaust gases will disperse away from the house.

Generator set location is critical for safety and performance. Follow the guidelines below

• Must comply with applicable codes (NFPA, NEC, etc.).

• Install out-doors only.

• Call the local utilities to mark the locations of buried utility services (gas, electric or
telephone) before digging trenches for fuel and electrical lines.

• Ask the homeowner for locations of any other buried components (gas, electric or
telephone) before digging trenches for fuel and electrical lines.

Clearances:

• The exhaust side of the generator set must be located 5 feet from combustible materials
(NFPA 37).

• The exhaust side of the generator must be located 5 feet from any opening in a wall
(window, door, vent, etc.).

• The generator must be located such that the exhaust is not able to accumulate in an
occupied area.

• The generator must have access for installation, service and maintenance as deemed
appropriate by a Cummins Power Generation authorized dealer or installer.

• The generator must be located to ensure ventilation openings are not blocked.

3.3 Generator Set Installation Suggestions/Guidelines

• Locate the generator set on stable ground, not subject to flooding.

• Locate and orient the generator set such that prevailing winds will carry exhaust gases and
fuel leaks away from the house or occupied area.

• Make sure engine vent port on the side of the enclosure is not blocked and is free of
debris.

3.4 Preparing the Site

Steps to preparing a proper/safe generator set site:

1. Create a level area.
Add a layer of sand or pea gravel that is deep enough that the generator set will sit level.

2. Be sure that the area is at least 48 in by 34 in (1219 mm by 864 mm).
Sites on an incline require more area.

3. Be sure that the area is on firm ground.

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4. Remove any combustible material that would be under and around the generator set.

5. Be aware of water/sprinkler systems to prevent water intrusion into enclosure openings.

3.5 Lifting and Moving the Generator Set

WARNING

The generator set is heavy. Dropping the generator set can cause severe personal
injury or death. Keep feet and hands clear when lifting the generator set.

CAUTION

The generator is shipped with oil in the crankcase. Keep the generator set upright.

The generator set is heavy and must be handled with care.

• Use a fork lift to move the generator set and set it in place.

• The lifting eyes on the engine and alternator should not be used for lifting the entire
generator set.

• Alternatively, a one-person hand dolly designed to fit the generator set base is
available to move the generator and set it in place.

3.6 Staking the Generator Set in Place

WARNING

Pounding the stakes into electric, gas or telephone service lines can result in severe
personal injury or death. Observe the utility company markings and discuss any other
buried lines with the home owner.

Set the generator set in place and pound the four corner stakes into the ground to secure the
generator set in place.

3.7 Electrical Wiring Connections

Refer to the Outline and Systems Drawings for the locations of the electrical conduit openings
on the side of the generator set and the alternative stub-up opening in the base for all power
and communications wiring connections between the generator set and transfer switch.

Route the wires from the transfer switch through the conduit and connect the wires to the mating
terminals on the generator set terminal block.

Two separate conduits are required:

• One is for all AC voltage connections on TB2 or in the AC junction box

• One is for all communications cables on P7, J4 or Ethernet cables.

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3. Step-By-Step Outline of Installation 3-2015

Callout Component

Number

1 Electrical Stub-up Area Through Plastic Skid
2 Manual/Stop/Remote Switch
3 Installer Access
4 Removable Service Panel
5 Battery Location

FIGURE 5. STUBUP OPENING

3.7.1 AC Power Supply Connections

WARNING

Electrical connections must be made by a licensed electrician. Improper installation can
lead to electrocution and damage to property.

WARNING

Automatic startup of the generator set during installation can cause severe personal
injury or death. Push the control switch OFF and disconnect the negative (-) cable from
the battery to keep the generator set from starting.

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3.7.1.1 Main Wiring

WARNING

Refer to the requirements of The National Electrical Code (NFPA No. 70) for all AC
wiring connections.

For access to the wiring connection terminal block (TB2):

• Open the top of the generator set

• Swing the service door wide open, or gently lift up on each side of the front cover to
remove it completely

• Remove the finger guard cover from the terminal block compartment

Connections:

• Consult the local electric code for wire size (L1, L2, N and GND). Wire size is determined
by the length of the run.

• Connect them to the AC output terminal block (TB-2)

• Torque the terminals per the table on the side of TB-2

• The wires must be routed to the transfer switch in approved liquid-tight conduit

• The conduit can be stubbed up through the bottom stub-up opening or connected to
the conduit opening on the side of the generator set

• If the stub-up opening is used, fill in the stub-up opening with duct seal or mastic tape
to keep out insects and rodents

AC wiring can induce false signals in control and communications wiring. Do not route
in the same conduit.

3.7.2 Grounding

Use the Typical System Grounding One-Line Diagrams in this section to be sure that the
generator set, transfer switch, power supply wiring and all connected electrical equipment are
bonded to a common grounding point in accordance with the applicable codes and standards.

The generator set grounding terminal (TB2-4) must be connected to the grounding terminal in the
transfer switch. Do not provide a separate grounding rod for the generator set.

CAUTION

WARNING

NOTICE

Generator neutral is not grounded at the generator set, but at the common system grounding
point.

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3. Step-By-Step Outline of Installation 3-2015

WARNING

Contact with electrical equipment can result in severe personal injury or death. It is extremely
important that bonding and equipment grounding be properly done. All metallic parts that could
become energized under abnormal conditions must be properly grounded.

FIGURE 6. TYPICAL SYSTEM GROUNDING ONE-LINE DIAGRAMS

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3.7.3 Automatic Transfer Switch

Install the transfer switch in accordance with its Installation Manual and make connections to the
generator set in accordance with the Electrical Connections section of this manual.

3.7.3.1 Transfer Switch Communications Wires

WARNING

Interconnecting the generator set and the public utility can lead to the electrocution of
personnel working on the utility lines, damage to equipment and fire. An approved
switching device must be used to prevent interconnections.

Install the transfer switch in accordance with its Installation Manual.
Wiring harnesses are available in various lengths for quick connection between the generator

set and transfer switch. See the Outline and System Drawings Appendix for harness details.

3.7.4 Heater and Outlet Connections

3.7.4.1 120 Volt Optional Accessories

NOTICE

Engine oil heaters are factory installed on models 20GSBB-6714, 20GSBC-6727,
15GSBB-6720

To supply 120 VAC to power the following accessories, connect 12 AWG 75 °C wires to the
accessory wires in the 120 volt junction box from a 15 amp protected circuit in the main
distribution panel in the house.

• Optional battery heater

• Optional engine heater and alternator drier assembly

• Optional installer-supplied GFCI outlet

• Optional breather shroud/heater

NOTICE

The wires my be run through the same conduit as the AC power output wires.

3.7.5 Operator Panel

3.7.5.1 Operator Panel Communication Wires

NOTICE

There are two unmarked connectors on the back of the display, either one may be used
for connecting the display to the generator set.

Wiring harnesses are available in various lengths for quick connection between the generator
set and in-home display. See the Outline and System Drawings Appendix for harness details.

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3. Step-By-Step Outline of Installation 3-2015

Class 1 wiring methods should be used for the in-home display, Ethernet and transfer switch
communication conductors between the generator set and transfer switch. Separation of Class 2
and power circuits should be maintained per Article 725.136 of 2008 NFPA 70: National
Electrical Code.

See the Operator Manual (A029V089) for information regarding using the operator panel to
operate and monitor the generator set.

3.7.5.2 Operator Panel Installation In The Home

Mount the generator set operator panel on a wall, in a convenient location such as next to the
house thermostat.

To install the operator panel:

• In drywall or paneled walls:

1. Drill a hole that is large enough to clear the harness connector on the back of the
operator panel.

2. Route the wires inside the wall, to hide the wires.

3. Mount the operator panel with four No. 6 wood screws or wall anchors.

• On brick, stone or block walls:

1. Mount with spacers to clear the harness connector on the back of the operator panel.

2. Mount with the appropriate wall anchors.

3. Connect the operator panel to the generator set harness using either of the two 8 pin
connectors on the back of the operator panel.

Refer to the Outline and System Drawings Appendix of this manual for guidelines on how to
connect the operator panel to the generator set.

3.7.5.3 Operator Panel Installation In The Generator Set

The operator panel may be installed inside of the generator set.
To install the operator panel in the generator set:

NOTICE

The control panel bezel must be removed for installation in the generator set.

1. Remove the bushing in the 1" hole on the control panel.

2. Remove the 4 small screws from the control panel.

3. Pulling the harness through the 1" hole, connect J4 directly to the back of the operator
panel into the connector that lines up with the hole in the metal panel.

4. Replace the 4 small screws.

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3-2015 3. Step-By-Step Outline of Installation

FIGURE 7. OPERATOR PANEL BEZEL

3.7.6 Load Shed Communications Wires

The control cable has the load control wires brought out of the genset (P7-7 and P7-8). Class 1
wiring methods should be used for the in-home display, Ethernet and transfer switch
communication conductors between the generator set and transfer switch. Separation of Class 2
and power circuits should be maintained per Article 725.136 of 2008 NFPA 70: National
Electrical Code.

Use 300V 18 gauge 75 °C wire for wiring the relay.
See the following figures for the different ways the relays can be wired.

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3. Step-By-Step Outline of Installation 3-2015

No. Description No. Description

1 Normally Closed 2 Load control pin 7 or 8
3 Ground pin 4 4 From thermostat
5 To air conditioner (load)

Relay Requirement:

• Input: 12Vdc, Max 0.5 Amp

• Contact: Low voltage current, < 40 Amp

• Mounting: No restrictions

FIGURE 8. LOW VOLTAGE RELAY SPDT

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3-2015 3. Step-By-Step Outline of Installation

No. Description No. Description

1 Normally Closed 2 Load Control Pin 7 or 8
3 Ground Pin 4 4 From Circuit Breaker
5 To Load

Relay Requirement:

• Input: 12Vdc, Max 0.5 Amp

• Contact: 120 V AC, Amp rating for load

• Mounting: Typically in distribution panel

FIGURE 9. HIGH VOLTAGE RELAY SPDT 120V AC LOAD

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3. Step-By-Step Outline of Installation 3-2015

No. Description No. Description

1 Normally Closed 2 Load Control Pin
3 Ground Pin 4 4 From Circuit Breaker
5 To Load

Relay Requirements:

• Input: 12Vdc, Max 0.5 Amp

• Contact: 120 V AC, Amp rating for load

• Mounting: Typically in distribution panel

FIGURE 10. HIGH VOLTAGE RELAY DPDT 220V AC LOAD

3.7.7 Ethernet Connections Wire

The generator set control board has a connector for Cat 5 Ethernet cable for connection to a
remote modem/router. See Ethernet/Email Interface for setup and operation.

Use Cat 5 Ethernet cable and 300V 18 gauge 75 °C wire for wiring the relay.
Class 1 wiring methods should be used for the in-home display, Ethernet and transfer switch

communication conductors between the generator set and transfer switch. Separation of Class 2
and power circuits should be maintained per Article 725.136 of 2008 NFPA 70: National
Electrical Code.

The Internet/Email interface requires “high speed" or “broadband" cable or DSL service
to the house. See Ethernet/Email Interface for a full list of requirements.

NOTICE

3.7.8 Battery

The generator set has a 12 VDC, negative-ground control and engine cranking system. The
engine has a battery charger for recharging during generator set operation.

A battery charger located in the transfer switch keeps the battery charged during generator set
standby.

Refer to the GSBB Specifications Table for battery specifications.

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3-2015 3. Step-By-Step Outline of Installation

An optional thermostatically controlled battery heater is available for more reliable starting in
ambient temperatures down to -20 °F (-28.8 °C). The heater wraps around the battery. The
heater cord is connected to the 120V, accessory junction box. Install the heater in accordance
with the kit instructions.

To prevent injury due to accidental start-up, do not connect the battery cables to the battery until
the installation has been completed and it is time to start the set.

WARNING

Before working on the generator set, move the Switch (S2) to the Stop Position, disconnect the
remote harness (P7) to disable the ATS mounted charger, and remove the negative (-) battery
cable from the battery to prevent starting.

FIGURE 11. BATTERY INSTALLATION

3.8 Fuel System

WARNING

Fuel systems must be installed by qualified service technicians. Improper installation
presents hazards of fire and improper operation, resulting in severe personal injury or
property damage.

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3. Step-By-Step Outline of Installation 3-2015

WARNING

Gaseous fuels are flammable, explosive and can cause severe personal injury or death.
Do not smoke if you smell gas, are near fuel tanks for fuel-burning equipment or are in
an area sharing ventilation with such equipment. Keep flames, sparks, pilot lights,
electrical arcs, arc-producing equipment and all other sources of ignition well away.
Keep a type ABC fire extinguisher handy.

In all fuel system installations, cleanliness is extremely important.

• Make every effort to prevent fuel contamination of:

• moisture

• dirt

• excess thread sealant

• contaminants of any kind

• Clean all fuel system components before installing.

Gaseous-fuel supply system design, materials, components, fabrication, assembly, installation,
testing, inspection, operation and maintenance must comply with the applicable codes. See
NFPA Standards No. 37, 54 and 58.

Most codes require a manual shutoff valve ahead of a flexible fuel hose. The manual valve
should be of the indicating type. The generator set has an electric (battery-powered) shutoff
valve included.

It is recommended that a shutoff valve be located near the generator set as well, for
emergency shut off or servicing the generator set.

Until the generator set is connected, cap the fuel line stub-up at the generator set to prevent dirt
from entering and gas from discharging if the gas supply shutoff valve is opened inadvertently.

3.8.1 Fuel Line Connections

Fuel presents the hazard of fire or explosion that can result in severe personal injury or
death. Do not smoke or allow any flame, spark, pilot light or other ignition sources near
fuel or in the installation area. Read the important safety precautions in the Fuel System
section of this manual.

Refer to the Outline and System Drawings for the location of the fuel supply connection
through the side of the generator set.

NOTICE

WARNING

NOTICE

The low fuel pressure switch connection comes standard on the 50 Hz. model and is an
option on the 60 Hz. model of this generator set.

A flexible fuel hose is packaged inside the generator set.

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3-2015 3. Step-By-Step Outline of Installation

The section of flexible fuel hose supplied with the generator set must be used between the
engine's fuel system and fuel supply line to protect the fuel system from damage caused by
vibration, expansion and contraction. The fuel hose must be installed according to all applicable
codes and standards.

Connect it between the 3/4 NPT fitting on the generator set and the fuel supply line.

Callout Component

Number

12 Fuel Connection (Female) 3/4 NPT & NG & LPV
13 4x Anchoring Spike

FIGURE 12. FUEL LINE CONNECTIONS

3.8.2 Fuel Line Connections (Model 14GSBB-6716B Only)

The factory installed, UL approved valve must be removed and an Australian Gas Association
(AGA) approved shutoff valve must be installed prior to generator set installation in Australia or
New Zealand. Adaptation from NPT to BSPT may be required, depending on the valve used.
The maximum amperage of the valve selected must be less than 1.0 amp at 12 VDC.

3.8.3 Natural Gas Fuel System

The generator set requires an adequate fuel supply to operate correctly at full load. The length
of the fuel supply pipe from the gas service entrance to the generator set must be known to
determine the correct fuel pipe size. Refer to the Natural Gas Pipe Capacity - Cubic Feet of Gas
Per Hour table, located within the Natural Gas Supply Line Size section of this manual to find
the fuel supply requirement for your generator set. The Pipe must be a minimum of schedule 40
subject to the authority having jurisdiction.

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3. Step-By-Step Outline of Installation 3-2015

3.8.3.1 Natural Gas Supply

NOTICE

The Natural Gas supply meter may need to be exchanged for a higher capacity meter to
supply the additional gas consumed by the generator set.

See the Generator Set Specifications Table for fuel specifications, such as BTU. To
determine the required meter capacity, generator set consumption must be added to the gas
consumed for heating, cooking, clothes drying, etc.

• A typical installation might require a 400,000 BTU meter.

Consideration should also be given to utilizing high pressure gas supply (2 psi) if available. This
will reduce the required size, and therefore cost, of gas piping, especially if the location of the
generator set requires a long supply line.

NOTICE

An older site might require upgrading and repair of the gas supply system, which
should be scheduled to minimize power and gas supply interruptions.

3.8.3.2 Natural Gas Supply Line Size

See the Generator Set Specifications Table for fuel specifications (such as BTU/hr).
The Natural Gas meter may not be adequate if the meter serves other gas appliances, such as

a:

• Furnace

• Water heater

• Stove

To correctly size the fuel pipe, you must also take other loads operated from the fuel supply line
into consideration, such as:

• Space heating equipment

• Water heating equipment

Use the total load requirement of the fuel supply line to determine the size of the fuel supply
pipe. Use the Natural Gas Pipe Capacity - Cubic Feet of Gas Per Hour table to determine the
correct pipe size.

For Spec A and Canadian GSBB Spec B, make sure the fuel supply pressure at the inlet to the
generator regulator (at service port) is set between 5–11 in. WC for all operating loads (no load to
full load).

For US GSBB Spec B and Canadian GSBC Spec B, make sure the fuel supply pressure at the
inlet to the generator regulator (at service port) is set between 5–7 in. WC for all operating loads
(no load to full load).

NOTICE

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3-2015 3. Step-By-Step Outline of Installation

FIGURE 13. TYPICAL NATURAL GAS INSTALLATION

NOTICE

Typically, 1 ft3/hr = 1000 BTU/hr. When the fuel delivery value falls between two
columns, use the larger value.

TABLE 16. NATURAL GAS PIPE CAPACITY - CUBIC FEET OF GAS PER HOUR

Normal Iron Length of Pipe in Feet
Pipe Size
(Inches)

3/4 360 250
1 680 465 375 320 285 260 240
1 1/4 1400 950 770 660 580 530 490 460 430 400 360 325 300 280
Maximum pipe capacity in cubic feet per hour of 0.60 specific gravity Natural Gas with a pressure drop of 0.5 inches

(1.27 mm) WC over the length.

10 20 30 40 50 60 70 80 90 100 125 150 175 200

3.8.4 Propane Fuel System

WARNING

NFPA Standard No. 58 requires all persons handling and operating Propane to be
trained in proper handling and operating procedures.

WARNING

Fuel leaks can lead to explosive accumulations of gas. Propane sinks in air and can
accumulate inside housings, basements and other below-grade spaces. Prevent gas
leaks and the accumulation of gaseous fuel in the event of a leak.

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3. Step-By-Step Outline of Installation 3-2015

3.8.4.1 Recommended Fuel (Propane)

WARNING

Propane presents the hazard of fire or explosion that can cause severe personal injury
or death. Do not permit any flame, spark, arc-producing equipment, switch, pilot light,
cigarette or other ignition source near the fuel system. Keep an ABC type fire
extinguisher nearby.

Use clean, fresh HD-5 grade Propane or equivalent product consisting of at least 90% Propane.

NOTICE

Commercial Propane may contain more than 2.5% butane, which can result in poor fuel
vaporization and low tank pressure - resulting in poor engine staring in below 32 °F (O
°C) temperatures.

3.8.4.2 Propane Tank Size

First, some Propane tank facts to bear in mind when figuring the proper Propane tank size:

• Propane tanks are sized by the number of gallons of water they can hold, not the amount
of fuel they can hold.

• Propane tanks are generally filled to only 80% of their water capacity. Therefore, a 500 lb.
tank results in 400 lb. tank capacity.

• Low ambient temperatures affect the amount of fuel available from the Propane tank.

• Approximately 60% of the fuel (in gallons) filled in the tank can be effectively used.
Therefore, a 500 lb. tank results in 300 gallon capacity.

To assist in the proper selection of the Propane tank, follow the guidelines below.

• Propane tanks must be fitted with a pressure reducing regulator before connection to the
generator set to prevent fuel system damage.

• Propane tanks must be located at least 10 ft. (3048 mm) from any source of combustion
(including the generator set).

TABLE 17. REQUIRED PROPANE TANK SIZE IN GALLONS (LITERS) FOR INDICATED

TEMPERATURES WHEN KEPT AT LEAST HALF FULL

Withdrawal Lowest Average Winter Temperature
Rate

100 cfg 250 250 250 400 500 1000 1500
(250,000
BUT/hr)

[2.8 m3/hr (264
MJ/hr)]

150 cfg 300 400 500 500 1000 1500 2500
(375,000
BUT/hr)

[4.2
m3/hr(395.6
MJ/hr)]

32 °F (0 °C) 20 °F (-7 °C) 10 °F (-12 0 °F (-18 °C) -10 °F (-23 -20 °F (-29 -30°F (-34

°C) °C) °C) °C)

(945) (945) (945) (1515) (1890) (3785) (5675)

(1135) (1515) (1890) (1890) (3785) (5675) (9640)

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Withdrawal Lowest Average Winter Temperature
Rate

200 cfg 400 500 750 1000 1200 2000 3500
(500,000
BUT/hr)

[5.7 m3/hr
(527.5 MJ/hr)]

300 cfg 750 1000 1500 2000 2500 4000 5000
(750,000
BUT/hr)

[8.5 m3/hr
(791.2 MJ/hr)]

32 °F (0 °C) 20 °F (-7 °C) 10 °F (-12 0 °F (-18 °C) -10 °F (-23 -20 °F (-29 -30°F (-34

°C) °C) °C) °C)

(1515) (1890) (2840) (3785) (4540) (7570) (13250)

(2840) (3785) (5675) (7570) (9640) (15140) (18925)

3.8.4.3 Propane Vapor Fuel Supply Line Size and Pressure

Fuel line size depends on the amount of fuel needed to run the generator set at full load at the
distance the fuel must be moved.

• See the Generator Set Specifications Table for fuel system specifications, such as the
amount of propane vapor at certain loads.

The following figure shows a typical Propane vapor installation and the table below lists fuel
capacity for given distances and pipe size.

Size the fuel line so that the Propane vapor pressure drops no more than 1.5 inches WC from
no load to full load.

NOTICE

For Spec A and Canadian GSBB Spec B, make sure the fuel supply pressure at the inlet of the
generator fuel regulator (at service port) is set between 7–11 in. WC for all operating loads (no
load to full load).

For US GSBB Spec B and Canadian GSBC Spec B, make sure the fuel supply pressure at the
inlet of the generator fuel regulator (at service port) is set between 12–14 in. WC for all operating
loads (no load to full load).

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3. Step-By-Step Outline of Installation 3-2015

TABLE 18. PROPANE VAPOR PIPE CAPACITY - CUBIC FEET OF GAS PER HOUR

Nominal Iron Length of Pipe in Feet
Pipe Size
(Inches)

3/4 227 157 126
1 428 293 236 201 179 164 151 138 129 123 110
1 1/4 882 598 485 416 365 333 308 289 207 252 230 204
1 1/2 1323 920 743 624 567 570 472 434 409 390 346 315
2 2488 1732 1386 1197 1058 958 882 819 768 724 642 598
Maximum pipe capacity in cubic feet per hour of Propane vapor with a pressure drop of 0.5 inches (1.27 mm) WC

over the length

10 20 30 40 50 60 70 80 90 100 125 150

FIGURE 14. TYPICAL PROPANE VAPOR WITHDRAWL INSTALLATION

3.8.4.4 Converting From Natural Gas to Propane (Vapor Withdrawal)

The generator set leaves the factory set up for Natural gas.
For use with Propane, the generator must be converted by configuring the control for

Propane.
For US GSBB Spec B and Canadian GSBC Spec B, additional steps must be taken when

converting to Propane.

1. The manual fuel selector must be adjusted to the LP setting.

2. Once the manual fuel selection is set, install the welch plug tied to the front of the fuel
regulator by hammering the plug into the fuel selector until the plug distorts and cannot be
removed. Once the plug is installed, the fuel type cannot be changed unless the welch plug
is physically removed. If the welch plug is removed, it will most likely be damaged and will
need to be replaced with a new welch plug.

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3-2015 3. Step-By-Step Outline of Installation

No. Description No. Description

1 Manual Fuel Selector 2 Welch Plug (in bag)

FIGURE 15. MANUAL FUEL SELECTOR AND WELCH PLUG (US GSBB SPEC B AND CANADIAN

GSBC SPEC B ONLY)

FIGURE 16. MANUAL FUEL SELECTOR (US GSBB SPEC B AND CANADIAN GSBC SPEC B ONLY)

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3. Step-By-Step Outline of Installation 3-2015

FIGURE 17. WELCH PLUG INSTALLATION (US GSBB SPEC B AND CANADIAN GSBC SPEC B

ONLY)

3.8.5 Testing the Fuel System for Leaks

WARNING

Fuel presents the hazard of explosion or fire which can result in severe personal injury
or death. Do not smoke or allow any flame, spark, pilot light, arc-producing equipment,
switch or other ignition sources around fuel or fuel components.

Before operating the generator set, test the fuel system for leaks.

• Energize the fuel solenoid from a separate 12-volt DC source before testing the fuel
system

NOTICE

Testing for gas leaks with a flame can cause a fire or explosion that can lead to severe
personal injury or death. Use approved methods only.

After assembly, and before initial operation, all fuel system connections, hose valves, regulators
and fittings must be tested and proven free of leaks using a soap-and-water (or equivalent)
solution while the system is under gas or air pressure of at least 1.5 times the supply pressure
or 3 psi (20.7 kPa) minimum.

• Apply the soap-and-water solution to all fuel system connections, hose valves, regulators
and fittings.

• When the system is running, bubbles will form where air/pressure is leaking from the
system.

Other approved methods of detecting leaks can be used if appropriate. DO NOT use a flame to
test for gas leaks.

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3.9 Engine Exhaust

The exhaust system for this generator set is complete and was designed specifically for this
engine. Do not modify or add to the exhaust system of this generator set.

WARNING

EXHAUST GAS IS DEADLY! The exhaust system must terminate away from building
vents, windows, doors and sheltered spaces that may not have ample fresh air
ventilation.

WARNING

Engine discharge air and exhaust carry carbon monoxide gas (odorless and invisible)
which can cause asphyxiation and death. Never use engine discharge air or exhaust for
heating a room or enclosed space.

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38 A029V088 (Issue 19)

4 Optional Internet/Email Interface

Descriptions

4.1 Introduction

This feature allows for in-home or remote access to your generator set through a web page.

NOTICE

An Internet browser (i.e., Internet Explorer) is required for this option.

On this web page, you can start or stop the generator set, adjust the exerciser day and time,
determine if utility power is available and view the last 20 events/faults on the generator set.

This feature is useful for homeowners who travel or have a second home and want to be able to
remotely interface with their generator set. This feature can also help to reduce troubleshooting
time and service calls when the service technician has access to the same web page.

Use of the Ethernet is not required if you do not use web access. To set up your generator set
for web access, complete installation instructions are included in the Network Setup Guide
instruction sheet, included with your generator set literature package.

The Internet/Email Interface can make the same fault, maintenance and event notices available
to you and to your generator set service contract agency with appropriate Internet Service and
email account.

NOTICE

Technical support for setup and troubleshooting of the hardware used for in-home
network access to the generator set is available through the selling Cummins Power
Generation dealer/distributor.

The owner may be required to contact their ISP and/or email provider for technical support of the
email notification feature setup and troubleshooting.

Due to the variations in network equipment, network configurations and ISPs, the owner is
responsible for acquiring the needed support/service from a qualified network specialist to
properly and securely set up the owner's network for remote monitoring of the generator set.

Cummins Power Generation does not provide technical support for setup and troubleshooting of
the owner's network and email service.

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4. Optional Internet/Email Interface Descriptions 3-2015

4.2 Screen Descriptions

FIGURE 18. HOME PAGE

4.2.1 Setting Time and Date

Select the Genset Time/Date Tab on the Home Screen to set the time and date for the
generator set control.

FIGURE 19. SET GENSET TIME AND DATE

4.2.2 Set Exercise Schedule

Select the Exercise Schedule Tab on the Home Screen to set the generator set exercise
schedule.

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NOTICE

The generator set will exercise on the first scheduled day for which it is programmed. After that it
exercises on that day at the scheduled interval. For example, if the generator set is scheduled on
a Wednesday for Saturdays with a monthly interval, the generator set starts on the next available
Saturday. After that it exercises on Saturdays one month apart.

FIGURE 20. SET EXERCISE SCHEDULE

4.2.3 Load Control (Management)

Select the Load Control Tab on the Home Screen to enable Automatic or Manual Load Control.
In Automatic mode, the user can only view which loads are connected. In Manual mode, the
user can view loads and also connect or disconnect them. See Load Management for details.

4.2.4 Event Log

Select the Event Log Tab on the Home Screen to review the last 20 events. See the Event Log
screen capture below for a list of all of the recordable events.

FIGURE 21. GENSET LOAD MANAGEMENT

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FIGURE 22. EVENT LOG

4.2.5 Fault Log

Select the Fault Log Tab on the Home Screen to review the last 5 faults.

FIGURE 23. FAULT LOG

4.2.6 Network Setup Screen Descriptions

An owner-custom password can be defined in the Network Setup screen shown below. The
user will be prompted to enter the User Name and Password to access this screen.

The Network Setup Parameters screen allows dynamic addresses to be changed to static
addresses. This screen allows the user to configure the static address for the in-home network.
See the Network Setup Parameters screen shown below.

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FIGURE 24. NETWORK SETUP SCREEN

FIGURE 25. NETWORK SETUP PARAMETERS

4.2.7 Email Setup Screen Descriptions

The user must determine what events will trigger an email notification of the event:

• Never

• All Events

• Maintenance and Attention Required or Attention Required Only
This screen is also used to set up e-mail configuration.
The user may enter up to three email addresses for receiving notifications of the home-standby

generator set status. See the Email Addresses figure below.

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FIGURE 26. EMAIL SETUP PARAMETERS

FIGURE 27. EMAIL ADDRESSES

4.2.8 Saving Changes

After the email addresses are added and Done is selected, this screen will appear, verifying that
all changes have been saved.

FIGURE 28. SAVE SCREEN

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5 Optional Internet/Email Interface Setup

5.1 Network Connectivity Options

Network connectivity includes in-home Network access to the generator set, e-mail notification,
and remote access to the generator set.

5.2 Material/Cable Routing

Route the category 5 Ethernet cable from the generator in the same conduit as the control lines
and display cable (for in-home mounted displays) to the transfer switch and into the house.
Ensure the cable is long enough to reach the network router. Attach the cable end connectors at
each end.

5.3 Network Information Needed For Setup

The following sections will help with gathering information required for a successful installation.

5.3.1 Network Router

The following information is needed to configure the generator set with a static IP address.

• Router User Name:_______________________________

• Router Password:________________________________

• Available Static IP Address:________________________

5.3.2 Email/Internet Service Provider (ISP)

This information is used when configuring email notifications. The internet service provider (ISP)
may need to be contacted for this information.

NOTICE

If these items cannot be verified or provided, email communication and/or remote
Internet access may not work. If the service provider will not verify or provide the
installer with this information, it is the responsibility of the customer to provide this
information.

Email Account Provider (May Be ISP):____________________________________________
Email Account Provider Contact Number:__________________________________________
Email Provider Allows SMTP Communications Via Port: ___
Email Provider Supports Authenticated and Unauthenticated Email: Yes/No (circle one)

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NOTICE

Some email accounts will not accept unauthenticated emails and will not work with the
system. Ensure the email account and SMTP port accept non-SSL and TLS
connections.

Email Server Static IP Address:_________________________________________
Email Server Name (SMTP):____________________________________________

(Example: smtp.hughes.net)

Email Account User Name: _____________________________________________

(Example: [e-mail])

Email Account Password:_________________________________________
Email Notification Preferences
Email Address 1:________________________________________________
Email Address 2:________________________________________________
Email Address 3:________________________________________________

NOTICE

The ISP may take several days to establish the IP address and an additional service
cost may be incurred.

5.4 In-Home Network Access to the Generator Set

1. Connect a category 5 (Ethernet) cable from the generator set control board to the
modem/router. Make sure the modem/router has sufficient ports available for connections
for both the generator set and the computer connections.

NOTICE

The router will assign an IP address to the generator set control.

2. Write down the IP Address (shown on the Network Setup screen below) on the generator
set's in-home operator panel.

IP Address _____________________

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FIGURE 29. NETWORK SETUP SCREEN ON THE IN-HOME OPERATOR PANEL

NOTICE

Leave the DHCP (Dynamic Host Configuration Protocol) on, as it assigns a dynamic
IP adress to your internet connection.

3. Type the IP address in the address bar of the web browser of a computer established on
the same in-home network as the generator set. The computer’s web browser will display
the generator set’s web page.

4. Enter the User Name and Password. The default User Name and Password is as follows.

User Name: admin
Password: cummins

5. To change your password, click the Network Setup tab. Enter a new password, and click
Save Password.

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FIGURE 30. GENERATOR SET HOME PAGE

FIGURE 31. NETWORK SETUP SCREEN

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FIGURE 32. NETWORK SETUP (PAGE 1)

5.5 Setting Up Internet Access and E-mail Alerts

1. Set up the in-home computer access to the generator set. See Section 5.4.

NOTICE

For the following steps, refer to the figures below.

FIGURE 33. NETWORK SETUP SCREEN

FIGURE 34. NETWORK SETUP PAGE 1

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FIGURE 35. NETWORK SETUP PAGE 2

FIGURE 36. NETWORK SETUP PAGE 3

2. Click Network Setup on the home page.

3. Click Click here to start Network Setup.

4. Click Off to turn off the generator set DHCP.

NOTICE

Skip step 5 is a unique IP address was already provided by the router.

5. In the IP Number field, enter a unique in-home network address for the generator set by
changing the field of IP address number to a number between 001 and 256 (one that is not
in use by another device on the same network).

6. The Subnet Mask, Static DNS #1 and #2, and Gateway numbers establish the
connections between the modem/router and the generator set and do not need to be
changed.

7. Press Next to continue to the e-mail setup screen.

8. Select the Alert Level to choose the type of e-mail message that the customer would like
to receive.

9. Enter the SMTP Port Number provided by your ISP or e-mail service provider.

10. Enter your e-mail Server Name.

NOTICE

An e-mail server name may be obtained from the customer's ISP or e-mail service
provider (example: smtp.cummins).

11. Enter the User Name and Password for the provided e-mail server.

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12. Click Next to enter the destination e-mail addresses.

13. Enter up to three different e-mail addresses which will receive generator set e-mail alerts.

E-mail Address 1:___________________________________________
E-mail Address 2:___________________________________________
E-mail Address 3:___________________________________________

14. Press Done to complete the e-mail confirmation.

NOTICE

If the IP address was changed in step 5, type the new address into the Internet
browser's address bar in order to return to the home screen.

15. To complete the remote viewing process, see Section 5.6 and Section 5.7.

FIGURE 37. NETWORK SETUP SCREEN

5.6 Port Forwarding

Opening ports in a firewall can pose network security risks. The following instructions
require forwarding port 80.

1. Access the customer’s modem/router user manual.

2. Using the operator manual, determine how to gain access to the modem/router’s setup
screen.

3. Locate the port forwarding section of the modem/router’s setup menu.

4. Configure port 80 to be forwarded to the IP address created inSection 5.5.

To maintain connections to all devices connected to the modem/router, do not turn
off the modem/router DHCP.

5. To complete the remote viewing process, see Section 5.7.

NOTICE

NOTICE

5.7 Remote Viewing IP Options Static IP

1. Acquire a static IP address.

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NOTICE

Acquiring a static IP may incur additional service charges from your ISP.

2. Use the provided static IP address to access the generator set webpage from any location
with Internet access.

5.8 Dynamic IP Monitoring

NOTICE

If a static IP address has been authorized from your ISP, the following steps are not
required. Some services may require software to be installed on a home computer.

1. Determine the home network's public/external IP address using an online tool (such as,
www.whatismyip.com).

2. Locate a dynamic IP host online and register for services.

NOTICE

Online dynamic hosting service can often be provided at no cost.

3. Configure the modem/router to update the dynamic IP host each time its external/public IP
address changes.

Instructions for completing the above step should be provided by the dynamic IP
monitoring host and the router user manual.

4. Use the URL provided by the dynamic IP host service to access the generator set webpage
from any location with Internet access.

5.9 Help Hotline

1-800-888-6626 option 1
Technical support for setup and troubleshooting of the hardware used for in-home network

access to the generator set is available through the selling Cummins Power Generation
dealer/distributor.

The owner may be required to contact their ISP and/or email provider for technical support of
the e-mail notification feature setup and troubleshooting.

Due to the variations in network equipment, network configurations and ISPs, the owner is
responsible for acquiring the needed support/service from a qualified network specialist to
properly and securely set up the owner's network for remote monitoring of the generator set.

NOTICE

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Cummins Power Generation does not provide technical support for setup and troubleshooting of
the owner's network and email service.

• If you can't remember your password, reset it to “cummins" by selecting Reset Password
on the Network Setup screen on the in-home Operator Panel and pressing the up or down
arrow.

• The customer's public IP Address must be a static IP Address. If the customer's public IP
Address is dynamic, the customer must either obtain a static IP Address from their service
provider or set up a domain name that manages the dynamic IP Address.

5.10 Frequently Asked Questions

Question: Do I need a router?
Answer: Yes, a router or switch is required to allow for the connection of more than one device

(computer, generator set, etc.) with each other and the Internet.

• Typically, your Internet modem also serves as a router.

• If you have an available Ethernet connection on your router-enabled modem, you may not
need to add an additional router.

Question: Do I need a modem?
Answer: A modem is required if you want to utilize the email and remote Internet access

features of the generator set.

• Only one modem is required.

• If you already have an Internet connection, you have a modem.

Question: What is an IP Address?
Answer: An IP Address, or Internet Protocol Address, is a unique address that devices such as

a computer or your home generator set use to communicate with each other, both on your in­home network (LAN network) or with the World Wide Web.

Question: What is the difference between Static and Dynamic IP Addresses?
Answer:

Dynamic IP Address - On your in-home network, the router (with DHCP enabled) will assign a
dynamic IP Address to all devices (computer, home generator set, etc.) connected to the router.
As devices are added and removed from the router, the devices are automatically updated with
new IP Addresses. This means that your computer and generator set IP Addresses will not
always be the same unless static IP Addresses are assigned.

Static IP Address - A static IP Address is an unique address that is permanently assigned to a
device. On the World Wide Web, your typical ISP (Internet Service Provider) assigns a dynamic
IP Address to your Internet connection. This is the IP Address you type into your Internet
browser to access your generator set from the World Wide Web. A static IP Address is required
for you to establish a constant address you can always access from the World Wide Web.
Contact your ISP to set up a static IP Address for your Internet connection.

Question: What is DHCP?
Answer: DCHP, or Dynamic Host Configuration Protocol, automatically assigns IP Addresses,

subnet masks, and gateways to devices, allowing them to communicate with each other.

• Your router and generator set are equipped with DHCP.

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• Default is for DHCP to be on.

Question: What is a UPS device and why is it recommended?
Answer: A UPS (Uninterruptible Power Supply) device is battery backup to keep devices such

as computers and modems powered during short-term power outages.

• We recommend that the modem/router be powered through a UPS device to ensure that
your generator set is able to send emails and be remotely accessed at all times.

• For example, if your generator set shuts down during a utility power outage, the
generator set can still send you an email letting you know that the power has failed
and that the generator set shut down.

Question: When do I need to use a Static IP Address?
Answer: Static IP addresses are required if you plan to access your generator set remotely via

the Internet.
Question: I used the IP Addresses shown on the front of this guide, but why was I not able to

access the generator set?
Answer: The IP Addresses shown in this guide are only examples and are not likely to be the

ones that will work on your network setup.
Question: The IP Address consists of four numbers ranging from 0 to 255 which are separated

by dots; 179.168.052.094, for example. Are leading zeros necessary?
Answer: No, the IP Address, 192.168.0.1, for example, is equivalent to 192.168.000.001. The

address can be entered either way.

Question: How do I get my IP Number, Subnet Mask and Gateway?
Answer:

On a PC:

1. Disable the PC's wireless function.

2. Establish an Ethernet connection between the computer and generator set via a common
modem.

3. On the computer, Click Start>Run.

4. On the run menu that appears type “cmd " and click OK.

5. Type “ipconfig " on the DOS window that appears.

Question: Why do I need two IP Addresses to access my generator set?
Answer: You can access your generator set from two networks, your in-home or local network,

and from the World Wide Web, thus requiring two addresses.

• Your local IP Address is different from your World Wide Web IP Address.

• From your in-home network you use the generator set's Static IP Address.

• From the World Wide Web you first need to access your modem, which is
accomplished by typing in the Static IP Address of your Internet connection.

Your modem will then automatically forward you to your generator set on the local network.

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6 Operation

6.1 3 Position Switch

A three-position Start/Stop switch is located at the genset control panel.
Switch positions available:

• Manual Start: Normally only the maintenance/service technician has occasion to manually
start and stop the generator set. Push the switch down at the thick end to start the set
immediately.

• Stop (middle position): This switch disables the set.

• Remote: For automatic operation, the Start/Stop switch must be in the Remote position
and Standby On must be activated on the In-Home Display. Push the switch down at the
thin end to put into the Remote position.

No. Description No. Description

1 Manual Start Position 2 Remote Position
3 Stop Position

FIGURE 38. 3 POSITION SWITCH (STOP SWITCH)

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6.2 In-Home Operator Panel

The operator panel must be hard-wired to the generator set in order for the generator system to
operate.

NOTICE

The in-home operator panel and Internet/Email interface can be used simultaneously

The operator panel consists of two UTILITY status lamps, three GENERATOR status lamps,
three action buttons and an LCD display screen with four navigation buttons.

No. Description

1 Back Button - When navigating through the LCD menus, press this button to return to the main operating

screen.
2 Standby On/Off Button - See the To Enable/Disable Standby section of this manual.
3 Start Stop Button - See the To Manually Start/Stop Generator Set section of this manual.
4 Navigation Buttons - The function of these buttons change as different screens appear.

FIGURE 39. IN-HOME OPERATOR PANEL

6.2.1 BACK Button

When navigating through the LCD menus, press the BACK button to return to the main
operating screen.

6.2.2 START STOP Button

See To Manually Start/Stop Generator Set.

6.2.3 Standby ON/OFF Button

See To Enable/Disable Standby.

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6.3 Typical Operation

NOTICE

The following diagrams are based on an APPROXIMATE time duration. Your genset may
vary slightly from the timing diagrams in this manual.

FIGURE 40. TYPICAL POWER OUTAGE CYCLE TIMING DIAGRAM

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FIGURE 41. EXERCISE TIMING DIAGRAM

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FIGURE 42. MANUAL START/STOP TIMING DIAGRAM

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FIGURE 43. LOAD MANAGEMENT TIMING DIAGRAM

6.3.1 Normal Operation: Utility Power Available and Connected

As long as utility power is available and connected, both of the green UTILITY lamps
(PRESENT and CONNECTED) will stay on and the LCD screen will indicate “Genset Stopped".

If the red GENERATOR STANDBY OFF light is on, the generator set will not start up
automatically if utility power is interrupted. See the To Enable/Disable Standby section of this
manual to enable STANDBY so that the generator set will automatically supply power if utility
power is interrupted.

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FIGURE 44. UTILITY PRESENT AND CONNECTED—STANDBY OFF LAMP ON

6.3.2 Emergency Operation: Utility Power Interrupted

If utility power is interrupted,

1. The green UTILITY PRESENT lamp will go out

2. The generator set will start automatically and the green GENERATOR RUNNING lamp will
turn on.

3. The UTILITY CONNECTED light will go out when the generator set is connected to supply
power.

The LCD screen will provide a visual indication of “Genset Load" (bar graphs). The bar graphs
indicate how much of the available power is being used in each supply line (L1 and L2).

If the red ACTION REQUIRED light comes on, either the generator shut down or periodic
maintenance has come due. The LCD screen will indicate what maintenance is due or which
fault occurred.

FIGURE 45. GENERATOR SET RUNNING—ACTION REQUIRED LAMP ON

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6.4 To Enable/Disable Standby

Normally, you should not have to disable generator set STANDBY.

• STANDBY should always be enabled (ON) except during maintenance/service.

• STANDBY will have to be re-enabled (STANDBY OFF light on) if the generator set is
started or stopped manually (normally a maintenance/service function) or a fault shutdown
has occurred.

CAUTION

When STANDBY is disabled the generator set will NOT automatically start to supply power if
utility power is interrupted.

To enable or disable generator set standby:

1. Press the STANDBY ON/OFF button on the operator panel, which takes you to the
Standby ON/OFF screen.

2. Press the up or down arrow button to select ON or OFF.

3. To enable STANDBY select ON and press the BACK button. The STANDBY OFF lamp
will go out and the display will state: “Standby ready enabled by user."

4. To disable STANDBY select OFF and press the BACK button. The STANDBY OFF lamp
will come on and the display will state: “Standby ready disabled by user."

FIGURE 46. ENABLE/DISABLE STANDBY SCREEN

6.5 To Manually Start/Stop Generator Set

Normally, only the maintenance/service technician has to manually start and stop the generator
set.

• Starting the generator set will result in the generator powering the house loads.

CAUTION

Manually starting or stopping the generator set disables generator set STANDBY. The generator
set will not automatically start to supply power if utility power is interrupted.

Manually start and stop the generator set once every 3 months to test that these
functions are working properly.

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To manually start or stop the generator set:

1. Press the START STOP button on the operator panel, which takes you to the Genset
START/STOP screen.

• The screen will display “Genset Stopped" or “Genset Running," as appropriate.

2. Press START to manually start the generator set and connect it to supply power to the
house. The STANDBY OFF lamp will come on and the display will state: “Genset started
manually (Standby Ready Disabled)."

3. Press STOP to manually stop the generator set and disconnect it. The STANDBY OFF
lamp will come on and the display will state: “Genset stopped manually (Standby Ready
Disabled)."

NOTICE

To start the generator set without connecting loads pick Exercise Now on the Exerciser
Clock screen.

FIGURE 47. GENSET START/STOP SCREEN

6.6 Fault, Maintenance and New Event Screens

Various warning and event screens may appear on the operator panel during Normal or
Emergency Operation.

6.6.1 Fault Screen

If a generator set shutdown fault occurs, a FAULT warning appears with the following
information:

• Brief description of the warning or fault

• The two-digit Fault Code Number

• The time of occurrence of the fault
Press the BACK button to reset the fault and return to the home screen.
See the Fault Log section of this manual to review the log of the last 5 faults.

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FIGURE 48. TYPICAL FAULT SCREEN

6.6.2 Maintenance Due Screen

A Maintenance Due screen appears when a scheduled maintenance operation is due.

• The warning does not time out.

• Perform the maintenance.
Press the BACK button to return to the home screen.

FIGURE 49. TYPICAL MAINTENANCE DUE SCREEN

6.6.3 New Event Screen

A New Event screen appears whenever system status changes, such as when there is an
interruption of utility power. The screen provides a brief description of the event along with the
time and date of the event.

• The message does not time out, unless superseded by a new event.

• Press the BACK button to return to the home screen.

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FIGURE 50. TYPICAL NEW EVENT SCREEN

6.7 Genset Status

To check generator set output voltage and frequency and the total numbers of hours run:

1. Press the MENU button on the home screen.

2. Press the up or down arrow button on the menu screen to select Genset Status.

3. Press the ENTER button on the menu screen and note the values displayed on the Genset
Status screen.

4. Press the BACK button to return to the home screen.

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FIGURE 51. GENERATOR SET STATUS SCREEN

6.8 Display Setup and Software Info

6.8.1 Brightness and Contrast

To change the Brightness and Contrast of the display screen:

1. Press the MENU button on the home screen.

2. Press the up or down arrow button on the menu screen to select Display Setup.

3. Press the ENTER button on the menu screen.

4. Press the NEXT button to select Brightness or Contrast.

5. Press the increase or decrease arrow button to increase or decrease brightness.

6. Change Contrast the same way as Brightness.

7. Press the BACK button to save the settings and return to the home screen.

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FIGURE 52. DISPLAY SETUP AND SOFTWARE INFO SCREENS

6.8.2 Software Info

To check on the generator set and display software:

1. Press the MENU button on the home screen.

2. Press the up or down arrow button on the menu screen to select Display Setup.

3. Press the ENTER button on the menu screen.

4. Press the INFO button on the Display Setup screen and note the values displayed on the
Software Info screen.

5. Press the BACK button to return to the home screen.

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6.9 Event Log

6.9.1 To Check Log of Last 20 Events

1. Press the MENU button on the home screen.

2. Press the up or down arrow button on the menu screen to select Event Log.

3. Press the ENTER button on the menu screen.

4. Scroll through the event log with the up and down double-arrow buttons. Each screen
provides a brief description of the event along with the time and date of the event.

5. Press the BACK button to return to the home screen.

FIGURE 53. EVENT LOG SCREEN

6.9.2 List of Recordable Events

• "Genset started manually (Standby Ready Disabled)"

• "Genset stopped manually (Standby Ready Disabled)"

• "Genset exercise started"

• "Genset exercise completed"

• "Genset started due to loss of utility"

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• "Genset stopped with return of utility"

• "Switch on genset moved to remote position"

• "Switch on genset moved to run position"

• "Switch on genset moved to off position"

• "Standby ready disabled by user"

• "Standby ready enabled by user"

• "Utility lost - not in Standby Ready"

• "Utility returned - not in Standby Ready"

• "Maintenance reminder - Change oil and check valve lash"

• "Maintenance reminder - Change oil & filter, air filter, adjust valve lash, clean and check
battery & engine cooling fins"

• "Genset fault - (Fault description appended)"

• "Genset warning - Transfer Switch Signal Failure"

• "Genset warning - Transfer Switch Failed to Transfer to Utility"

• "Genset warning - Low Battery or Battery Charger Failure"

6.10 Fault Log

To check the log of the last 5 faults:

1. Press the MENU button on the home screen.

2. Press the up or down arrow button on the menu screen to select Fault Log.

3. Press the ENTER button on the menu screen.

4. Scroll through the fault log with the up and down double-arrow buttons. Each screen
provides a brief description of the fault, the fault code number and the time and date of the
fault.

5. Press the BACK button to return to the home screen

If there are no faults recorded, the “No Stored Faults" screen will appear.

NOTICE

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FIGURE 54. FAULT LOG SCREEN

6.11 Exercise Settings

To set the generator set exercise schedule:

1. Press the EXCER button on the home screen.

2. Press the NEXT button on the Exerciser Clock screen to select the field to change.

3. Press the up or down arrow button to increase or decrease the frequency of exercise and
the day of the week and time of day for exercise.

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Frequency selections are:
Weekly
Bimonthly
Monthly
Never

4. Press the BACK button to save the settings and return to the home screen.

5. If you want to exercise the generator set now, select Exercise Now, and press either the up
or down arrow.

NOTICE

Scheduled or prompted exercise does not transfer the house loads to the generator set.

FIGURE 55. EXERCISE CLOCK SCREEN

6.12 Time Setup

To set up the generator set clock for the current date and time:

1. Press the CLOCK button on the home screen.

2. Press the NEXT button on the Time Setup screen to select the field to change.

3. Press the up or down arrow button to increase or decrease or change the date or time.

4. Press the BACK button to save the settings and return to the home screen.

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FIGURE 56. TIME SETUP SCREEN

6.13 Load Management

The generator set may have been set up at installation to connect and disconnect certain large
loads, such as air conditioners, to manage the total load so as not to overload the generator set.
This requires the installation of relays to the load management signals which allow for the
disconnection of loads. Load management can be set to operate in automatic or manual mode.

Whether in automatic or manual mode, there is a delayed start. Load 1 is enabled three minutes
after the generator set is connected to the house loads, and Load 2 is enabled six minutes after
the generator set is connected to the house loads.

6.13.1 Automatic Load Management

When set to automatic mode, the user takes no action and can only view which loads are
connected. Three minutes after the generator starts, the load that is connected to genset load
L1 is connected. After a delay of three more minutes, the load that is connected to genset load
L2 is connected. If the connection of loads L1 and L2 exceeds 95% of the generator's load
capacity, they are disconnected by the generator. Following another three minute delay, the
control reconnects both loads following the same connection sequence used in the first attempt
(three minutes apart). If generator load capacity is exceeded again, both loads are disconnected
and no further reconnection is tried.

To select automatic load management and view whether the selected loads are connected while
the generator set is running:

1. Press the LOAD button on the home screen.

2. Press the up or down arrow button to select Automatic.

3. Note which loads are connected or disconnected.

4. Press the BACK button to return to the home screen.

Adjust percent load to match the de-rate.

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6.13.2 Manual Load Management

CAUTION

To reduce unnecessary loss of service, it is highly recommended that manual load
management be undertaken only by an authorized Cummins Power Generation dealer.

When set to manual mode, the user is able to view, connect, and disconnect loads. If the
connection of loads L1 and L2 exceeds generator capacity, the AC circuit breaker trips.

To select manual load management when the generator is running:

1. Press the LOAD button on the home screen.

2. Press the up or down arrow button to select Manual.

3. Note which loads are connected or disconnected.

4. Press the double-down arrow button to go the load connect/disconnect screen.

5. Connect or disconnect Load 1 or Load 2 as necessary by pressing either button under
Load 1 or Load 2.

6. Press the BACK button to save the setting and return to the home screen.

FIGURE 57. LOAD MANAGEMENT SCREEN

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6. Operation 3-2015

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74 A029V088 (Issue 19)

7 Startup and Configuration

7.1 Installation Review

Before starting the genset inspect the installation and check off each of the following questions if
it can be answered “YES". If a question cannot be checked off, review the appropriate section in
the manual.

• [ ] Can the top, maintenance and service access doors be swung fully open for operation,
maintenance and service?

• [ ] Are the cooling air inlet and outlet openings free of obstructions?

• [ ] Have the AC output connections been made properly?

• [ ] Has the transfer switch been installed properly to prevent connecting the generator set
to the utility?

• [ ] Has a properly sized battery been installed?

• [ ] Are all fuel connections tight?

• [ ] Is fuel supply pressure correct?

• [ ] Are electrical and fuel lines properly separated?

• [ ] Does engine exhaust disperse away from buildings?

• [ ] Have all fuel connections been checked for leaks?

• [ ] Is the fuel supply pressure to the inlet of the generator set appropriately set for the fuel
being used?

• [ ] Does the installation meet all applicable local, state, and federal codes?

• [ ] Is the fuel regulator vent screen free of obstructions.

• [ ] Is the manual fuel selector set to proper fuel?

7.2 Startup

When all installation requirements have been met, connect the battery cables to the battery,
positive (+) cable first.

Automatic startup of the generator set during installation can cause severe personal injury or
death. Push the control switch OFF and disconnect the negative (–) cable from the battery to
keep the generator set from starting.

Read through the Operator's Manual and perform the maintenance and pre-start checks
instructed. The genset is shipped from the factory with the proper level of engine oil, but should
be checked before the genset is started. Start and operate the genset, following all the
instructions and precautions in the Operator Manual.

WARNING

Perform Generator Set Configuration.

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7. Startup and Configuration 3-2015

NOTICE

Before leaving the site, if the genset is ready to be placed in service, set the control switch to the
REMOTE position to provide automatic standby power.

7.3 Fuel Solenoid - First Startup

First Start: Upon first connection of the fuel, especially in LP systems, it is possible for a spike

of pressure greater than the operating strength of the fuel solenoid to pass through the main
regulator and to lock the solenoid into an inoperable position. This issue can be reduced by
using a two-stage regulator at the tank.

If the situation occurs, close the main valve at the tank and vent the fuel from the line at the
tank. After reconnecting the lines, start the crank cycle at the genset and then turn on the fuel at
the tank while the engine is cranking. Multiple crank attempts may be required to purge the fuel
line depending on the length of the run.

7.4 Generator Set Configuration

The operator panel has a menu with four generator set/transfer switch parameters that must be
configured for the installation.

To configure the generator set:

1. Press the MENU button on the home screen.

2. Press and hold the blank (far left, solid black) button on the menu screen for at least 5
seconds to go to the Config Menu.

3. Press the up or down arrow button on the Config Menu screen to select Generator Config.

4. Press Enter on the Config Menu to go to the Generator Config screen.

5. Press the NEXT button on the Generator Config Menu screen to select the Config,
Frequency or Rating field.

6. Press the up or down arrow button to increase or decrease the configuration parameter.

a. Config: Select appropriate configuration (depending on model and fuel) from the table

shown below.
b. Frequency: Select 60 Hz or 50 Hz.
c. Rating: Rating will be filled in, based on the configuration selected. This value can be

lowered in order to correctly de-rate for high altitude or hot climates. (Selecting the

correct Amps value will also allow the correct genset load to be displayed on the

Operator Panel.
d. Press the BACK button to save the setting and return to the home screen.

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TABLE 19. CONFIGURATIONS, BASED ON MODEL AND FUEL TYPE

Model (Spec) Fuel Configuration

GSBB Spec A / Canadian GSBB Natural Gas 14
Spec B

GSBB Spec A / Canadian GSBB Propane 15
Spec B

US GSBB Spec B and later / Natural Gas 18
Canadian GSBC Spec B and later

US GSBB Spec B and later / Propane 19
Canadian GSBC Spec B and later

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7. Startup and Configuration 3-2015

FIGURE 58. GENERATOR CONFIGURATION

7.5 Transfer Switch Configuration

To configure the generator set for the transfer switch being used:

1. Press the MENU button on the home screen.

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2. Press and hold the blank button on the menu screen for at least 5 seconds to go to the
Config Menu.

3. Press the up or down arrow button on the Config Menu screen to select TS Config.

4. Press Enter on the Config Menu to go to the Transfer Switch screen.

5. Press the up or down arrow button to select between two choices: “RSS100-6868 and
RSS200-6869" or “RSS100-6634 and RSS200-6635," which must match the model number
of the transfer switch being used.

NOTICE

For non-Cummins Power Generation transfer switches, select RSS100-6634 and RSS100-

6635.

6. Press the BACK button to save the setting and return to the home screen.

FIGURE 59. TRANSFER SWITCH CONFIGURATION

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7. Startup and Configuration 3-2015

7.6 Transfer Switch Parameter Adjustments

Model RSS100-6634 and RSS200-6635 Transfer Switches: Refer to Transfer Switch
Installation Manual 962-0620 to set the parameters inside the transfer switch.

Model RSS100-6868 and RSS200-6869 Transfer Switches: To make transfer switch
parameter adjustments:

1. Press the MENU button on the home screen.

2. Press and hold the blank button on the menu screen for at least 5 seconds to go to the
Config Menu.

3. Press the up or down arrow button on the Config Menu screen to select TS Adjustments.

4. Press Enter on the Config Menu to go to the Transfer Switch screen.

5. Press the NEXT button on the Generator Config Menu screen to select the Pickup, Dropout
or Nominal field.

6. To set Nominal - Press the up or down double-arrow button to increase or decrease the
nominal utility voltage parameter to match actual (Present) utility voltage. The Pickup and
Dropout parameters are percentages of the nominal voltage parameter.

7. To set Pickup- Press the up or down double-arrow button to increase or decrease the
minimum utility voltage to which the transfer switch will connect. Default is 90% of nominal.
It can be increased to 95% of nominal.

8. To set Dropout- Press the up or down double-arrow button to increase or decrease the
minimum utility voltage at which the transfer switch will disconnect. Default is 85% of
nominal. It can be decreased to 80/75/70% of nominal.

9. Press the BACK button to save the setting and return to the home screen.

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FIGURE 60. TRANSFER SWITCH ADJUSTMENTS

7.7 Generator Adjustments

7.7.1 To Adjust the Output Voltage

Use the following procedure:

1. Connect an accurate AC volt meter across L1 and L2 while the generator set is running.

2. With Output Volts selected on the Adjustments Menu screen, press the up or down arrow
button to adjust the voltage to the desired setting

3. The control allows an adjustment of 240 VAC ± 7% (17 VAC).

4. Press the BACK button to save the settings and return to the home screen.

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7. Startup and Configuration 3-2015

7.7.2 To Calibrate the Display Meter

Use the following procedure:

1. Connect an accurate AC volt meter across L1 and L2 while the generator set is running.

2. Press the NEXT button to select the Display Cal field (screen not shown).

3. Press the up or down arrow to adjust the voltage reading on the screen until it matches the
meter reading.

4. Press the BACK button to save the settings and return to the home screen.

FIGURE 61. ADJUSTMENT MENU SCREEN

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8 Communication Troubleshooting

8.1 In-Home Network Access to Generator Set
Troubleshooting

WARNING

Some generator set service procedures present hazards that can result in severe personal injury
or death. Only trained and experienced service personnel with knowledge of fuels, electricity,
and machinery hazards should perform generator set service.

Possible Causes: Bad connections or bad communications
Corrective Actions:

1. Check connections.
a. Verify that the Ethernet cable is plugged into the generator set control and the router.
b. Verify that the computer that is attempting to access the generator set is connected to

the same router as the generator set via an Ethernet cable (on the same local area

network).
c. Verify that the wireless card on the computer is turned off.
d. Check to see if both ends of the Ethernet cable are assembled and crimped as

described in the installation instructions. If not, reassemble and crimp as described in

the installation instructions.
e. Verify that the Ethernet cable connections between the generator set and the router

are solid and correct.
f. Proceed to "Check communications."

2. Check communications.
a. If the router is also connected to an incoming connection from an ISP, check to see if

you can access a standard web page with the computer connected to the same router
as the generator set. If not, contact your router manufacturer for troubleshooting
information.

b. Check to see if the green and orange lights are illuminated at the Ethernet connection

port on the generator set control board. If the lights are not illuminated, this indicates
that no information is being transmitted or received. Test the cable by disconnecting
the Ethernet cable from the generator control board and connecting it to the computer
(swap the cable with the exisiting Ethernet cable). With the router connected to the
ISP, check to see if you can access a standard web page.

a. If you can access a standard web page, call Cummins Support at 1-800-888-

6626 and select option 1.

b. If you cannot access a standard web page, go to the “Check connections" step

above.

c. Check to see if the correct generator IP address has been entered. If not, enter the

correct IP address in the address bar of the web browser. Be sure to not enter "www"
or other text prior to the IP address.

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8. Communication Troubleshooting 3-2015

d. If none of the above troubleshooting techniques help, call Cummins Support at 1-800-

888-6626 and select option 1.

FIGURE 62. NETWORK CONNECTIONS (CONTROL BOARD AND ETHERNET CONNECTION)

8.2 Remote Internet Access to Generator Set Troubleshooting

WARNING

Some generator set service procedures present hazards that can result in severe personal injury
or death. Only trained and experienced service personnel with knowledge of fuels, electricity,
and machinery hazards should perform generator set service.

Possible Causes: Improper setup, no high-speed internet connection, public IP address is not
active or properly set up, incorrect IP address is entered, computer is connected to the same
router or network as the generator set, or the internet connection is faulty.

Corrective Actions:

1. Check to see if you are able to access the generator set with your in-home computer.
If not, refer to the In-Home Network Access Troubleshooting procedures.

2. Verify that you followed the network setup procedures.
Refer to the Network Setup Guide.

3. Verify that you are using a high-speed internet connection.

4. Verify that the public IP address is active and set up properly with the ISP (Internet Service
Provider). If necessary, contact the ISP to verify your setup.*

5. Verify that the correct public IP address is entered into the web browser of the computer
(i.e. xxx.xxx.xxx.xxx).

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3-2015 8. Communication Troubleshooting

6. Verify that the computer is not connected to the same router or local area network as the
generator set. If it is on the same network, you will be able to access the generator set
using the local network IP address configured on the generator set. The computer used for
internet access must be connected to a different internet connection than the generator set.

7. Check to see if you can access a standard web page from a computer. If not, contact the
ISP to troubleshoot the internet connection.

8. Verify all settings, as described in the Network Setup Guide.

9. If the previous steps do not correct the problem, contact a computer network specialist to
diagnose.

* To verify your IP address, access “whatismyipaddress.com" from the browser of a
computer connected to the internet and on the same network as the generator set. This
web page displays your current IP address which should match the IP address assigned to
you by your ISP.

8.3 Email Alert Troubleshooting

WARNING

Some Generator Set service procedures present hazards that can result in severe personal injury
or death. Only trained and experienced service personnel with knowledge of fuels, electricity,
and machinery hazards should perform Generator Set service.

Possible Causes: An improper setup, the alert level is not set to “all events," emails cannot be
received, the outgoing email address is not included in your contact list, the email account is not
capable of using plain SMTP for the outgoing SMTP server setup, the domain name is not
included in the user name filed of the Network Setup screen, or the DNS #1 and #2 values are
incorrect on the Network Setup screen.

Corrective Actions:

1. Check to see if you are able to access the generator set with your in-home computer. If
not, refer to In-Home Computer Access Troubleshooting.

2. Verify that you followed the network setup instructions. Refer to the Network Setup Guide.

3. Verify that the alert level is set to All Events.

a. To verify that your generator set can send emails, select Disable Standby and wait

several minutes to verify that you did receive an email.

b. Select Enable Standby and wait a few more minutes to verify that you did receive a

second email.

4. Send an email to the destination email address and check to see if you received this email.
If not, contact your email service provider or your ISP (Internet service provider) to

diagnose.

5. Check to see if the destination email accounts have spam filtering.

a. If spam filtering is present, add the outgoing email address to your contact list.
b. If spam filtering is not present, proceed to step 6.

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8. Communication Troubleshooting 3-2015

6. Ensure that the SMTP server in use is capable of distributing non SSL certified emails. If
the SMTP server is not capable of sending non SSL certified emails or the status is
unknown, please contact your ISP technical support for information.

7. Verify that the domain name is included in the user name field of the Network Setup screen
(i.e. username@domainname).**

8. Verify with your ISP that the Static DNS (Domain Name Server) #1 and #2 are correct.

9. If the previous steps do not correct the problem, contact a computer network specialist to
diagnose.

** “No authentication" is possible on some systems by leaving the username and password
fields blank.

IMPORTANT NOTE: Changes are not saved unless you navigate through all three
Network Setup screens and click on “Done". The message “Settings Saved Successfully"
is then displayed.

FIGURE 63. NETWORK SETUP - PAGE 1

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3-2015 8. Communication Troubleshooting

FIGURE 64. GENERATOR SET HOME PAGE

FIGURE 65. NETWORK SETUP - PAGE 2

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8. Communication Troubleshooting 3-2015

FIGURE 66. NETWORK SETUP - PAGE 3

88 A029V088 (Issue 19)

Appendix A. Outline and System Drawings

Table of Contents

Figure 67. Ethernet Connector .................................................................................................................. 90

Figure 68. ethernet RJ-45 connector Wiring ............................................................................................ 90

Figure 69. Network Connections ................................................................................................................ 91

Figure 70. Manual Fuel Selection Valve ..................................................................................................... 92

Figure 71. Wiring Diagram (Sheet 1 of 3) ................................................................................................... 93

Figure 72. Wiring Diagram (Sheet 2 of 3) ................................................................................................... 94

Figure 73. Wiring Diagram (Sheet 3 of 3) ................................................................................................... 95

Figure 74. Harness Label ............................................................................................................................. 96

Figure 75. Wiring Harness Connections (Sheet 1 of 4) ............................................................................ 97

Figure 76. Wiring Harness Connections (Sheet 2 of 4) ............................................................................ 98

Figure 77. Wiring Harness Connections (Sheet 3 of 4) ............................................................................ 99

Figure 78. Wiring Harness Connections (Sheet 4 of 4) .......................................................................... 100

Figure 79. Outline Drawing ........................................................................................................................ 101

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Appendix A. Outline and System Drawings 3-2015

Wiring connections to the Ethernet RJ-45 plug are shown in the Ethernet RJ-45
Connector Wiring illustration. Utilize an appropriate Ethernet stripping and crimping
tool for these connections.

FIGURE 67. ETHERNET CONNECTOR

FIGURE 68. ETHERNET RJ-45 CONNECTOR WIRING

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3-2015 Appendix A. Outline and System Drawings

FIGURE 69. NETWORK CONNECTIONS

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Appendix A. Outline and System Drawings 3-2015

FIGURE 70. MANUAL FUEL SELECTION VALVE

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3-2015 Appendix A. Outline and System Drawings

FIGURE 71. WIRING DIAGRAM (SHEET 1 OF 3)

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Appendix A. Outline and System Drawings 3-2015

FIGURE 72. WIRING DIAGRAM (SHEET 2 OF 3)

94 A029V088 (Issue 19)