Table of Contents

Liquid-cooled 15, 20 and 25 kW Generators

INTRODUCTION

IFC

Read this Manual Thoroughly

IFC

Operation and Maintenance

IFC

How to Obtain Service

IFC

Authorized Service Dealer Location

IFC

SAFETY RULES

2

Standards Index

3

Section 1 — GENERAL INFORMATION

4

1.1

Generator

4

1.2

Transfer Switch

4

1.3

ATS Mode (Automatic Operation)

4

1.4Engineered Transfer Switch (2-wire Start

 

GTS Mode)

4

1.5

Generator AC Connection Systems

4

1.6

Main Circuit Breaker

5

1.7

Generator Fuel System

5

1.8

Engine Protective Devices

5

1.9

Unpacking

6

1.10

Lifting the Generator

6

1.11

Specifications

7

1.12

Fuel Consumption

7

1.13

Reconfiguring the Fuel System for LP Vapor

7

1.14

Engine Oil Recommendations

8

1.15

Coolant Recommendations

8

1.16

Before Installation

8

Section 2 — INSTALLATION

9

2.1

Standby Generator Installation

9

2.2

Generator Location

9

2.3

Generator Mounting and Support

9

2.4

Basic Standby Electric System

10

2.5

Emergency Circuit Isolation Method

10

2.6

Total Circuit Isolation Method

10

2.7

Grounding the Generator

10

2.8

Generator AC Neutral Connections

11

2.9

Automatic Transfer Switch (ATS Mode)

11

2.10 Engineered Transfer Switch (2-wire Start

 

 

GTS Mode)

12

2.11

Battery Installation

13

2.12

Preparation Before Start-Up

14

Section 3 — OPERATION

15

3.1

Control Console Components

15

3.2

Manual Transfer and Startup

15

3.3

Engine Governor Gain Adjustments

16

3.4

Manual Retransfer and Shutdown

17

3.5

Automatic Operation

17

3.6

Weekly Exercise Cycle

17

3.7

Control Board DIP Switch Settings

18

3.8

Voltage Regulator Adjustment

18

Section 4 — MAINTENANCE

19

4.1Maintenance Performed by Authorized

 

Service Facilities

19

4.2

Exhaust Manifold Procedure

19

4.3

Intake Manifold Procedure

19

4.4

Cylinder Head Procedure

20

4.5

Cooling System

20

4.6Overload Protection for Engine DC

Electrical System

20

4.7 Checking Fluid Levels

20

4.8Maintenance Owner/Operator

 

Can Perform

21

4.9

Miscellaneous Maintenance

22

4.10

Scheduled Maintenance

24

Section 5 — TROUBLESHOOTING

27

Section 6

— NOTES

28

Section 7

— ELECTRICAL DATA

30

Section 8

— EXPLODED VIEWS AND

 

 

 

PARTS LISTS

38

Section 9

— INSTALLATION DIAGRAM

55

Section 10 — WARRANTY

56

1

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Generac 005030-0 (15kW), 005031-0 (25kW) owner manual Table of Contents
Page 2 Page 4

005030-0 (15kW), 005031-0 (25kW) specifications

Generac has long been recognized as a leader in backup power solutions, and its 005031-0 (25kW) and 005030-0 (15kW) home standby generators exemplify the brand's commitment to reliability and performance. Designed for residential use, these generators provide peace of mind during outages, ensuring that homes remain powered even in the most challenging conditions.

One of the standout features of both models is their advanced Generac G-Force engine, which is engineered for longevity and impressive power output. The G-Force engine is built from the ground up for generator use, refined to handle the unique demands of continuous operation. This results in a highly durable system that requires little to no maintenance, making it a favored choice for homeowners looking for a reliable energy solution.

Another important characteristic is the True Power technology featured in both generators. This technology delivers clean, stable power that is safe for sensitive electronics and appliances. It ensures that devices such as computers and medical equipment operate smoothly without the risk of damage from power fluctuations. Additionally, the Generac 005031-0 and 005030-0 generators are equipped with the Quiet-Test mode, allowing them to run at lower RPMs during routine weekly self-tests. This innovation significantly reduces the noise produced during tests, making it less disruptive for residents.

Furthermore, these generators come with a user-friendly interface and a mobile link app, enabling homeowners to monitor their generator's performance remotely via a smartphone. This feature enhances convenience, allowing users to receive alerts and notifications about their generator's status, maintenance needs, and operation conditions right from their devices.

Both the 25kW and 15kW models are also designed with a robust transfer switch, which seamlessly shifts power from the grid to the generator in case of any outages. This automatic transfer feature ensures that homes maintain power without needing manual intervention, making them ideal for those who want uninterrupted electricity.

In terms of fuel source, both models operate on natural gas or propane, providing flexibility to homeowners regarding fuel availability and preferences. With excellent warranty options and Generac's reputation for quality, both the 005031-0 (25kW) and 005030-0 (15kW) generators stand as dependable choices for safeguarding homes from the unpredictability of power outages.
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