Generac Power Systems 004988-1 owner manual PCB J2

Page 27

Section 7 - Electrical Data

Guardian Liquid-cooled 27 kW and 30 kW Generators Wiring Diagram — Engine — Drawing No. 0E6199-E

PCB J2

1

767

2

765

3

769

4

766

5

768

6

0

7

N/C

8

14

PCB J1

1

56

2

86

3

15A

4

23

5

224

6

0

7

 

8

239

9

 

10

15E

11

85

12

14A

13

225

14

66

1

C1

0

2

0

3

0

4

0A

5

13

6

14A

7

15A

8

15E

9

14

10

224

11

225

12

239

 

86

16

14

16

16

NOTE:

 

 

 

 

 

 

SIZE (AWG)

 

ALL WIRES ARE 18 AWG 300

 

 

 

VOLT UL LISTED UNLESS

 

 

 

OTHERWISE NOTED AS SHOWN:

 

16

 

 

 

 

CC

JB

 

 

 

 

 

 

 

 

 

 

16

14

14

10

 

 

 

 

10

 

16

1

 

 

 

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

13

13

13

56

0

16

 

14

 

 

 

 

 

 

 

 

 

 

 

 

16

10

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

BAT

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

4

-

SM

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

10

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

LT

 

 

 

 

 

 

GND2

 

16

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

0

 

 

 

 

 

 

 

GND1

 

 

 

 

 

 

 

0A

 

 

 

 

 

 

 

 

 

0

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

16

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

FS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

85

 

HCT

 

 

 

 

 

 

1

85

 

 

 

 

 

0

1

BLK

 

 

 

 

 

 

 

 

WLS

 

 

 

 

 

 

 

RED

 

DEG

0

1

765

2

766

3

14

4

766

5

765

6

767

7

770

8

771

9

768

10

767

11

769

12

GOV

771

1

767

2

765

3

770

4

N/C

5

766

6

1416

16

14IM

016

449

16

 

1

 

4

 

6

 

2

449

 

 

 

 

 

3

5

 

 

 

 

 

 

 

 

 

14

 

IC

 

 

 

0

 

 

 

 

3

2 5 1

 

0

 

0

23

23

66

66

LEGEND:

 

LEGEND [CONT.]:

ALT -

D.C. CHARGE ALTERNATOR

HCT -

HIGH COOLANT TEMP SWITCH

BAT -

12VDC BATTERY

IC -

IGNITION COIL

C1 -

CONNECTOR 1 (ENGINE)

IM -

IGNITION MODULE (ON DISTRIBUTOR)

CC -

STARTER CONTACTOR

J-1 -

JUNCTION 1 (ON PCB)

DEG -

DRIVER ELEC. GOVERNOR

J-2 -

JUNCTION 2 (ON PCB)

FS -

FUEL SOLENOID

JB -

JUNCTION BLOCK (RUN POWER)

GND1-

GROUND (SENSING/LOW AMP)

LOS -

LOW OIL PRESSURE SWITCH

GND2-

GROUND (POWER/HIGH AMP)

SM -

STARTER MOTOR

GOV -

ELEC. GOVERNOR ACTUATOR

WLS -

COOLANT LEVEL SWITCH

Generac® Power Systems, Inc. 25

Image 27
Contents Liquid-cooled, Prepackaged Standby Generators Introduction Authorized Service Dealer Location‹ Operation and Maintenance ‹ HOW to Obtain ServiceTable of Contents General Hazards Electrical Hazards Generator AC Connection Systems Transfer SwitchGenerator Automatic System OperationEngine Protective Devices ‹ 1.7.2 High Coolant Temperature Switch‹ 1.7.1 LOW OIL Pressure Switch ‹ 1.7.3 LOW Coolant Level SwitchLifting the Generator Unpacking‹ 1.10.2 Engine Specifications SpecificationsReconfiguring the Fuel System ‹ 1.10.1 Generator SpecificationsCoolant Recommendations Torque SpecificationsBefore Installation Engine OIL RecommendationsEmergency Circuit Isolation Method Generator Mounting SupportBasic Standby Electric System Generator LocationGenerator AC Neutral Connections Transfer Switch Signal ConnectionsTotal Circuit Isolation Method Grounding the Generator‹ 2.11.1 Prior to Initial START-UP Battery Installation‹ 2.11.2 Transfer Switch Preparation Before START-UPControl Console Components Using a Standard GTS Transfer Switch‹ 3.2.6 System Ready LED Manual Transfer START-UP Engine Governor Adjustments‹ 3.2.2 Fault Indicator LED ‹ 3.2.5 SET Exercise Time SwitchWeekly Exercise Cycle Retransfer and ShutdownAutomatic Operation Overload Protection for Engine DC Electrical System Checking Fluid LevelsCooling System ‹ 4.5.3 Exercise System ‹ 4.5.2 Check Battery‹ 4.4.3 Engine Coolant ‹ 4.5.1 Check Engine OIL Level‹ 4.5.13 Coolant Change Miscellaneous Maintenance‹ 4.5.11 Changing the Engine AIR Cleaner ‹ 4.6.1 Cleaning the Generator‹ 4.6.4 Battery Replacement ‹ 4.6.3 Battery MaintenanceService Maintenance Interval Information Scheduled MaintenanceLevel Maintenance Level Problem Cause Correction Troubleshooting PointsInstallation Diagram Customer Connection PCB J2 ICT LOS WLS HCT Starter Carrier Bolt Hold Down Battery Boot Battery CableBattery Post Cover Baclk Battery Post Cover RED +32 18 Duct Discharge RH Front Assy GRD Wire 99HSBAssembly BASE-DOOR Ground Wire Intake Duct HSBGenerac Power Systems, Inc Cover TOP Panel HSB Assy 2A 12V UL BatteryControl BOX HSB Cover Front Panel HSB512 Bracket DC ALT 3.0L Ford Wire SET 3.0L Ford notNot SHOWN-USED to Hold OIL Drain Assembly Washer Lock M12Frame Side Support Radiator HSB Tank Coolant RecoveryRadiator R-IN,L-OUT Venturi 3.0L Ford HSBNER Washer Flat 5/16 Zinc Weldment Mounting BaseFlange Fuel Inlet Assy Regulator 3.0L NG or LPVLeads Rotor 390 40KW 1P Direct HSB 3.9L Chrysler Rotor 390 15KW 1P Direct HSB 2.5L FordRotor 390 20KW 1P Direct HSB 2.5L Ford Rotor 390 25KW 1P Direct HSB 2.5L FordWasher Lock 3/8 SS MUFFLER, 3.0L FordGasket Exhaust Ring Mufflr Strap 6IN DIA HSBWasher Flat M5 ELEMENT, AIR CleanerCover AIR Cleaner Tube AIR Intake 3.0L FordGuardian Liquid-cooled 27 kW and 30 kW Generators Guardian Liquid-cooled 27 kW and 30 kW Generators This Warranty Shall not Apply to the Following

004988-1 specifications

Generac Power Systems has established itself as a leader in the generator industry, and the Generac Power Systems 004988-1 model exemplifies the company’s commitment to innovation, reliability, and performance. This standby generator is designed to provide seamless power solutions for both residential and commercial applications, ensuring that users remain connected and comfortable even during power outages.

One of the standout features of the 004988-1 model is its automatic transfer switch (ATS), which allows for instant power restoration within seconds of an outage. The ATS continuously monitors the electrical supply and automatically engages the generator when it detects a power failure, eliminating any stress or inconvenience for the user. This feature is particularly beneficial for those who may be away from home during an outage or for businesses that cannot afford downtime.

The 004988-1 is equipped with a powerful engine capable of delivering up to 20 kilowatts of backup power, sufficient to support essential household appliances and systems, such as HVAC, refrigeration, and lighting. Its robust construction ensures durability and longevity, equipped to withstand the rigors of extended use in various environmental conditions.

Another significant characteristic of this model is its emission-friendly design. Generac has incorporated advanced technologies to meet and exceed EPA standards, resulting in a cleaner and more environmentally friendly operation. The generator runs on natural gas or liquid propane, providing users with flexible fuel options and reducing dependency on traditional fuel sources.

Moreover, the 004988-1 comes with smart technology features, including Wi-Fi connectivity. This allows users to monitor and control their generator remotely via a smartphone app. Users can receive real-time notifications, monitor power usage, and conduct maintenance checks, ensuring peak performance of their generator.

The quiet operation of the 004988-1 is also noteworthy, making it an attractive option for residential areas where noise levels can be a concern. Generac has integrated sound-dampening technology, ensuring that the generator operates with minimal noise, allowing users to enjoy peace of mind without disruption.

In summary, the Generac Power Systems 004988-1 is a robust, reliable, and technologically advanced generator that seamlessly integrates into any household or commercial setup. With its automatic transfer switch, high power output, environmentally friendly design, smart technology features, and quiet operation, it stands out as an excellent choice for individuals seeking a dependable power solution for any situation.