Generac 004912-0 User Manual

Owner’s ManualLiquid-cooled, Prepackaged Standby GeneratorsModels: 004912-0, 004912-1(15 kW LP/15 kW Natural Gas)120/240V Single-phase w/ 100 AmpTrans

8 Generac®Power Systems, Inc.Serious injury or damage may occur if notconfigured properly. Please consult anauthorized Generac Service Dealer with any

Generac®Power Systems, Inc. 9NOTE:For more information about the installation of astandby system, you can order Engine-GeneratorStandby Electric Power

10 Generac®Power Systems, Inc.Figure 2.1 – Basic Standby Electric SystemNOTE:Generac recommends the use of a Generac PowerSystems transfer switch in c

Generac®Power Systems, Inc. 112.8 GENERATOR AC NEUTRALCONNECTIONSGenerac uses an UNGROUNDED AC neutral.Grounding is recommended only at the main servi

12 Generac®Power Systems, Inc.When using maintenance-free batteries, it is notnecessary to check the specific gravity or electrolytelevel. Have these

Generac®Power Systems, Inc. 133.1 USING A STANDARD “GTS”TRANSFER SWITCHWhen required, the pre-packaged standby generatorcan be installed with an engin

14 Generac®Power Systems, Inc.3.2.5 7.5 AMP IN-LINE FUSEThis in-line fuse is connected in wire 15A which runsbetween the AUTO/OFF/MANUAL switch and po

Generac®Power Systems, Inc. 15Figure 3.3 - Engine Block HeaterRefer to applicable wiring diagram(s) and electricalschematic(s) at back of manual for w

16 Generac®Power Systems, Inc.Section 4 — MaintenanceCenturion Liquid-cooled 15 kW and 25 kW GeneratorsFigure 4.1 - Oil Dipstick and Oil Fill Cap4.4.2

Generac®Power Systems, Inc. 171. Remove OIL DRAIN HOSE from its retaining clip.2. Loosen and remove OIL DRAIN HOSE CAP. Drainoil completely into suita

Generac®Power Systems, Inc.INTRODUCTIONThank you for purchasing this model of the standbygenerator product line by Generac Power Systems.Every effort

18 Generac®Power Systems, Inc.Once each year, have the generator cleaned andinspected by an Authorized Service Dealer. Thatdealer will use dry, low pr

Generac®Power Systems, Inc. 191. The base frame of the unit contains an optionalfuel inlet location that is capped at the factory.Check that it is sec

20 Generac®Power Systems, Inc.Section 4 — MaintenanceCenturion Liquid-cooled 15 kW and 25 kW Generators4.9 SCHEDULED MAINTENANCEThe following is a rec

Generac®Power Systems, Inc. 21Section 4 — MaintenanceCenturion Liquid-cooled 15 kW and 25 kW GeneratorsMaintenance Level 1 Level 2 Level 3 Level 4Task

22 Generac®Power Systems, Inc.Section 4 — MaintenanceCenturion Liquid-cooled 15 kW and 25 kW GeneratorsMaintenance Level 1 Level 2 Level 3 Level 4Task

Generac®Power Systems, Inc. 23Section 5 — TroubleshootingCenturion Liquid-cooled 15 kW and 25 kW Generators5.1 TROUBLESHOOTING POINTSPROBLEM CAUSE COR

24 Generac®Power Systems, Inc.Section 6 — NotesCenturion Liquid-cooled 15 kW and 25 kW Generators

Generac®Power Systems, Inc. 25Section 7 - Installation DiagramCenturion Liquid-cooled 15 kW and 25 kW GeneratorsDrawing No. 0E1533-A

NBSET EXERCISE SWITCHTERMINAL STRIP 7 POS.VOLTAGE REGULATORVRTS3--SW2-FL-SUPRESSION ASSEMBLYNEUTRAL BLOCKFAULT LIGHTHOUR METERFUSE 15 AMPSFIELD BREAKE

Generac®Power Systems, Inc. 27Section 8 - Electrical DataCenturion Liquid-cooled 15 kW and 25 kW GeneratorsWiring Diagram — 1.5L Engine — Drawing No.

Table of ContentsCenturion Liquid-cooled 15 kW and 25 kW GeneratorsGenerac®Power Systems, Inc. 1Introduction ...Inside Fr

28 Generac®Power Systems, Inc.Section 8 - Electrical DataCenturion Liquid-cooled 15 kW and 25 kW GeneratorsWiring Diagram — 1.5L Guardian — Drawing No

Generac®Power Systems, Inc. 29Section 8 - Electrical DataCenturion Liquid-cooled 15 kW and 25 kW GeneratorsElectrical Schematic — 1.5L — Drawing No. 0

ITEM PART NO. QTY. DESCRIPTION1 098290 1 ASM MOTOR STEPPER2 098941A 1 HOUSING GOVERNOR CONNECTOR3 098958A REF CONNECTOR INTERFACE ASSEMBLY4 098942A 1

ITEM PART NO. QTY. DESCRIPTION1 0D8656 1 BASE,MOUNTING 1.5L STNRD&ACSTC2 027482 2 WASHER SHAKEPROOF EXT 5/16 STL3 070936 2 DAMPENER VIBRATION4 070

32 Generac®Power Systems, Inc.NUTS ITEM #26.USE LOCTITE ONPANEL FOR ACCESS COVEREWELD STUD UNDER ROOF17GROUND WIRE.FASTENER TO SECUREUSE DOOR LATCHNOT

ITEM PART NO. QTY. DESCRIPTION1 0D8666 1 ROOF ACSTC&STND CMPRTMNT 1.5L2 0D8664C 1 DUCT CENTER 1.5L3 0D8657 1 SUPPORT RADIATOR 1.5L MITSU4 0D8660 2

34 Generac®Power Systems, Inc.TYPICAL OF FRONT DUCT & ROOFPANEL. SECURE AS SHOWN. PANEL FOR ACCESS COVER CABLEWELD STUD UNDER ROOFUSE DOOR LATCHNO

Generac®Power Systems, Inc. 35ITEM PART NO. QTY. DESCRIPTION1 0D8666 1 ROOF ACSTC & STND CMPRTMNT 1.5L2 0D8664C 1 DUCT CENTER 1.5L3 0D8657 1 SUPPO

36 Generac®Power Systems, Inc.Section 9 - Exploded Views and PartsCenturion Liquid-cooled 15 kW and 25 kW GeneratorsControl Panel — Drawing No. 0E0778

Generac®Power Systems, Inc. 37ITEM PART NO. QTY. DESCRIPTION1 0D9322 1 PANEL BACK & BOTTOM GUARDIAN2 0D9332 1 PANEL LH SIDE GUARDIAN & SPRN3 0

2 Generac®Power Systems, Inc.Study these SAFETY RULES carefully before installing,operating or servicing this equipment. Become familiarwith this Owne

61WATERPUMPHARDWARE13910112871224101415166325412439413017111014111917182026212025222457331114924721011101412435343644451471124611104947701110669565567

ITEM PART NO. QTY. DESCRIPTION1 0A4531 1 ENGINE-1.5L2 022473 2 WASHER FLAT 1/4 ZINC4 0A45310258 1 GASKET-EXHAUST MANIFOLD5 0A4355 1 MANIFOLD-EXHAUST6

14111728(BOTTOM ONLY)"A"28229303229102211323351814123317344TO WATER INLET(MIDWAY UP ENGINE BLOCK)14TUBE (ON BLOCK)TO THERMOSTAT31102326820WA

ITEM PART NO. QTY. DESCRIPTION1 0D8657 1 SUPPORT RADIATOR 1.5L MITSU2 0A5734 1 RADIATOR 1.5L3 0A6237 1 VENTURI 1.5L MODINE4 * 0A6238 1 GUARD FAN 1.5L

42 Generac®Power Systems, Inc.2933323118201019L.P. VAPORPORT"OUT 2"414011149"C"1214161784315"D"4527422327640213936382830

Generac®Power Systems, Inc. 43ITEM PART NO. QTY. DESCRIPTION1 * --------- 1 WELDMENT MOUNTING BASE2 075580 1 FLANGE FUEL INLET3 0E1006 1 ASSY REGULATO

44 Generac®Power Systems, Inc.8361331259151417To BlowerHousing322324351212872233102916301826192031214To EngineCrankshaft26Section 9 - Exploded Views a

Generac®Power Systems, Inc. 45ITEM PART NO. QTY. DESCRIPTION1 098671 1 ASSY ROTOR 10KW098681 1 ASSY ROTOR 15KW098675 1 ASSY ROTOR 20KW098936 1 ASSY RO

ITEM PART NO. QTY. DESCRIPTION1 077483 1 BATT 12VDC 75-AH 262 038804D 1 CABLE BATT RED #4 X 20.003 038805B 1 CABLE BATT BLK #4 X 23.004 0742600131 1 A

Generac®Power Systems, Inc. 47ITEM PART NO. QTY. DESCRIPTION1 0A4355 1 MANIFOLD EXHAUST 1.5L2 0E2844 1 NIPPLE TOE 1.5NPTX5.5 BLK IRON3 036434 3 BOLT U

Generac®Power Systems, Inc. 3• Before performing any maintenance on the generator,disconnect its battery cables to prevent accidentalstart-up. Disconn

48 Generac®Power Systems, Inc.CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTYOUR WARRANTY RIGHTS AND OBLIGATIONSThe California Air Resources Board (CA

Generac®Power Systems, Inc. 49EMISSION CONTROL SYSTEM WARRANTYEmission Control System Warranty (ECS Warranty) for 1995 and later model year engines:(a

Part No. 0E5129 Revision G (12/20/04) Printed in U.S.A.Section 10 – WarrantyCenturion Liquid-cooled 15 kW and 25 kW GeneratorsGENERAC POWER SYSTEMS &q

4 Generac®Power Systems, Inc.1.1 GENERATORThis equipment is a liquid-cooled, engine-drivengenerator set. The generator is designed to supplyelectrical

Generac®Power Systems, Inc. 51.5 MAIN CIRCUIT BREAKERThe generator’s main circuit breaker is included withthe unit. The breaker for each unit is descr

6 Generac®Power Systems, Inc.Figure 1.5- High Coolant Temperature Switch1.7.3 LOW COOLANT LEVEL SWITCHShould engine coolant level drop below the level

1.10 SPECIFICATIONS1.10.1 GENERATOR1.10.2 ENGINEMake ................MitsubishiDisplacement ...