Generac Power Systems 004988-2 owner manual Bcw

Page 30

Section 8 - Electrical Data

Guardian Liquid-cooled 27 kW and 30 kW Generators Electrical Schematic — Engine — Drawing No. 0E6200-B

LEGEND:

AR - ALTERNATOR ROTOR

AS - ALTERNATOR STATOR

AVR - AUTOMATIC VOLTAGE REGULATOR

BA - BRUSH ASSEMLY (GENERATOR)

B/C - BATTERY CHARGER

BCW - BATTERY CHARGE WINDING

CB1 - CIRCUIT BREAKER (OUTPUT)

CB2 - CIRCUIT BREAKER (EXCITATION)

D1 - DIODE [FIELD BOOST]

DPE - DISPLACED PHASE EXCITATION

LEGEND {CONT.]:

F1

-

FUSE, BAT. POWER (15A AGC TYPE)

F2

-

FUSE, B/C (4A AGC TYPE)

ICT -

TERMINAL BLOCK, INTERCONNECT.

NB -

NEUTRAL BLOCK

 

RL1 -

RELAY 1

 

SW1 -

SWITCH, AUTO/OFF/MANUAL

SW2 -

SWITCH, SET EXERCISER

TR1 -

TRANSFORMER 1

(56 VA 240/16 VAC)

TR2 -

TRANSFORMER 2

(6 VA 240/16 VAC)

BCW

55

66

 

55

66

 

 

 

 

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

BA

1

1

 

 

 

 

 

 

1

 

 

AR

 

D1

 

 

 

 

2

 

 

 

 

 

 

 

43 AVR

 

4

4

 

4

 

 

 

 

 

 

6

 

 

 

 

 

 

5

 

 

5

5

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

224A

6

 

2

2

162

 

 

 

 

 

 

 

DPE

 

 

CB2

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N1

TR1

 

 

 

 

44

 

 

 

 

 

 

 

 

 

 

 

N1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N2

 

23

 

 

 

 

 

 

 

 

 

 

 

AS

 

 

 

 

 

 

 

194

 

 

 

 

 

 

 

 

 

 

183

11

22

33

 

44

 

 

 

 

 

178

 

 

CB1

N1

N2

23

194

183

178

ICT

E1

 

00

 

 

 

 

E3

 

 

 

 

 

 

 

NB

 

TRANSFER SWITCH

 

 

CUSTOMER CONNECTION

CONNECTION

 

 

 

120/240V 1-PHASE

 

 

 

 

 

 

 

 

 

 

 

 

66

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

RL1

 

 

 

 

 

 

0

 

14A

 

 

 

 

 

85

 

86

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

87

 

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

 

 

F2

 

 

 

 

 

13A

 

 

13

 

 

 

 

 

0A

 

 

 

 

 

1

2

3

 

 

F1

 

 

 

15

 

13

 

 

 

 

 

 

 

 

 

1

2

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

224

 

 

 

225A

 

 

 

 

225

 

 

N2

 

15 N1

TR2

 

N2 23 15E

SW2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

 

 

 

 

 

15

 

2a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15A

 

 

 

 

 

 

1

4

178

 

 

 

 

 

 

 

 

 

 

 

15

2

5

239

 

 

 

 

194

3

6

SW1

 

SHOWN

183 IN OFF POSITION

178

 

 

66

 

 

 

 

23

0

1

 

0

2

(BC1)

0A

4

0

3

CONNECTOR

13

5

14A

6

 

15A

7

 

15E

8

 

14

9

BULKHEAD

224

10

225

11

 

239

12

 

28 Generac® Power Systems, Inc.

Image 30
Contents Liquid-cooled, Prepackaged Standby Generators ‹ HOW to Obtain Service Authorized Service Dealer Location‹ Operation and Maintenance IntroductionTable of Contents General Hazards Electrical Hazards Automatic System Operation Transfer SwitchGenerator Generator AC Connection Systems‹ 1.7.3 LOW Coolant Level Switch ‹ 1.7.2 High Coolant Temperature Switch‹ 1.7.1 LOW OIL Pressure Switch Engine Protective DevicesUnpacking Lifting the Generator‹ 1.10.1 Generator Specifications SpecificationsReconfiguring the Fuel System ‹ 1.10.2 Engine SpecificationsEngine OIL Recommendations Torque SpecificationsBefore Installation Coolant RecommendationsGenerator Mounting Support Basic Standby Electric System‹ 2.1.2 Other Published Standards Total Circuit Isolation Method Transfer Switch Signal ConnectionsEmergency Circuit Isolation Method Grounding the GeneratorBattery Installation Preparation Before START-UP‹ 2.9.2 GTS-TYPE ATS Using a Standard GTS Transfer Switch ‹ 3.2.5 SET Exercise Time Switch ‹ 3.2.2 Fault Indicator LED‹ 3.2.1 AUTO/OFF/MANUAL Switch Control Console ComponentsAutomatic Operation Manual Transfer START-UP Engine Governor AdjustmentsRetransfer and Shutdown Weekly Exercise CycleCooling System Overload Protection for Engine DC Electrical SystemChecking Fluid Levels ‹ 4.5.11 Changing the Engine AIR Cleaner ‹ 4.5.10 Changing Engine OIL‹ 4.5.12 Spark Plugs ‹ 4.6.2 Battery Miscellaneous Maintenance‹ 4.6.1 Cleaning the Generator ‹ 4.6.3 Battery Maintenance‹ 4.6.4 Battery Replacement Periodic Replacement PartsScheduled Maintenance Service Maintenance Interval InformationLevel Maintenance Level Troubleshooting Points Problem Cause CorrectionGuardian Liquid-cooled 27 kW and 30 kW Generators Installation Diagram Customer Connection PCB J2 BCW LOS WLS HCT Starter Carrier Bolt Battery Post Cover RED + Boot Battery CableBattery Post Cover Baclk Hold Down Battery32 18 Intake Duct HSB Assy GRD Wire 99HSBAssembly BASE-DOOR Ground Wire Duct Discharge RH FrontGenerac Power Systems, Inc Decal AVR Cover Assy 2A 12V UL BatteryControl BOX HSB Cover Front Panel HSB61 24 Coil Ignition 3.0L Ford Wire SET 3.0L Ford notNot SHOWN-USED to Hold OIL Drain Assembly Bracket DC ALT 3.0L FordFrame Venturi 3.0L Ford HSB Tank Coolant RecoveryRadiator R-IN,L-OUT Side Support Radiator HSBTo B Assy Regulator 3.0L NG or LPV Weldment Mounting BaseFlange Fuel Inlet Washer Flat 5/16 ZincLocktight Rotor 390 25KW 1P Direct HSB 2.5L Ford Rotor 390 15KW 1P Direct HSB 2.5L FordRotor 390 20KW 1P Direct HSB 2.5L Ford Rotor 39030AD1 HSB TecumExhaust Blanket 750MM MUFFLER, 3.0L FordGasket Exhaust Ring Mufflr Strap 6IN DIATube AIR Intake 3.0L Ford Element AIR CleanerCover AIR Cleaner Washer Flat M5Warranty Schedule