Table of Contents

Guardian Liquid-cooled 15 kW, 20 kW and 25 kW Generators

INTRODUCTION

IFC

SAFETY RULES

2

Section 1

 

GENERAL INFORMATION

4

Generator

4

Transfer Switch

4

Automatic System Operation

4

Generator AC Connection Systems

4

Main Circuit Breaker

5

Generator Fuel System

5

Engine Protective Devices

5

Unpacking

6

Lifting the Generator

6

Specifications

6

Fuel Consumption

7

Torque Specifications

7

Engine Oil Recommendations

7

Coolant Recommendations

7

Before Installation

7

Section 2

 

STANDBY GENERATOR INSTALLATION..8

Generator Location

8

Generator Mounting and Support

9

Basic Standby Electric System

9

Emergency Circuit Isolation Method

9

Total Circuit Isolation Method

9

Grounding the Generator

9

Generator AC Neutral Connections

10

Transfer Switch Start Signal Connections

10

Battery Installation

10

Preparation Before Start-Up

11

Section 3

 

OPERATION

11

Using a Standard “GTS” Transfer Switch

11

Control Console Components

12

Manual Transfer and Startup

13

Retransfer and Shutdown

13

Automatic Operation

13

Weekly Exercise Cycle

13

Engine Heater

14

Section 4

 

MAINTENANCE

14

Maintenance Performed by

 

Authorized Service Facilities

14

Overload Protection for Engine DC

 

Electrical System

14

Checking Fluid Levels

14

Maintenance Owner/Operator Can Perform

15

Miscellaneous Maintenance

17

Section 5

 

TROUBLESHOOTING

18

Section 6

 

SCHEDULED MAINTENANCE

19

Section 7

 

WIRING DIAGRAMS AND

 

SCHEMATICS

22

Section 8

 

EXPLODED VIEWS AND

 

PARTS LISTS

27

Section 9

 

INSTALLATION DRAWINGS

52

Section 10

 

WARRANTY

56

Generac® Power Systems, Inc. 1

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Generac 004474-1, 004188-1, 004475-1, 004371-2, 004370-2, 004189-1 owner manual Introduction IFC Safety Rules

004371-2, 004188-1, 004474-1, 004475-1, 004370-2 specifications

Generac Power Systems is renowned for its commitment to providing reliable power solutions, and their various models, including the Generac 004189-1, 004370-2, 004475-1, 004474-1, and 004188-1, showcase the company’s innovative engineering and technology. Each of these models is designed to meet diverse energy needs, ensuring homeowners and businesses can maintain power during outages or in remote locations.

The Generac 004189-1 is an essential model in the lineup known for its robust construction and user-friendly interface. It features a powerful engine, ensuring reliable power output and efficient fuel consumption. Additionally, its lightweight design makes it portable, allowing easy relocation to different sites. The model integrates advanced technology for automatic voltage regulation, safeguarding sensitive electronics while operating.

Moving on to the Generac 004370-2, this model emphasizes advanced start-up technology. It is equipped with a reliable electric start feature, minimizing the effort required to power up the generator. Its noise-dampening design significantly reduces sound levels, making it ideal for residential use without causing disturbances to neighbors. The unit also includes a durable metal enclosure that helps protect the generator from the elements and increases its lifespan.

The Generac 004475-1 model stands out for its enhanced fuel efficiency and low emissions. This eco-friendly design adheres to strict emissions regulations, making it a suitable choice for environmentally conscious users. Its intuitive control panel provides easy monitoring of power output, fuel levels, and maintenance needs, ensuring users can efficiently manage their energy requirements.

Similarly, the Generac 004474-1 exemplifies convenience and performance with its dual fuel capability, allowing it to operate on both gasoline and propane. This flexibility ensures users can easily switch fuels based on availability and cost-effectiveness. The model also boasts an extended runtime, capable of powering essential appliances and systems for prolonged periods during outages.

Finally, the Generac 004188-1 emphasizes ease of use, featuring a comprehensive user manual and a straightforward assembly process. The model provides ample power capacity, making it excellent for both emergency back-up and recreational activities. Its compact design allows storage in confined spaces, while its efficient cooling system prevents overheating during extended use.

Overall, these Generac models reflect the company's dedication to innovation, quality, and user satisfaction. With features aimed at enhancing convenience, performance, and environmental responsibility, they cater to the varying power demands of modern users.