24 Generac
®
Power Systems, Inc.
Section 6 — Notes
Centurion Liquid-cooled 15 kW and 25 kW Generators
Page 1: ...phase w 100 Amp Transfer Switch 004913 0 004913 1 004913 2 25 kW LP 25 kW Natural Gas 120 240V Single phase w 200 Amp Transfer Switch ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLA...
Page 2: ...oints out potential fire hazard This symbol points out potential electrical shock hazard The operator is responsible for proper and safe use of the equipment Generac strongly recommends that the opera...
Page 3: ...art up 12 2 11 2 Transfer Switch 12 2 11 3 Fuel System 12 2 11 4 Generator Set Lubrication 12 2 11 5 Engine Coolant 12 2 11 6 Belt Tension 12 2 11 7 Electrical System 12 Section 3 OPERATION 13 3 1 Usi...
Page 4: ...ced in accordance with the manufacturer s instructions and recommendations Following installation do nothing that might render the unit unsafe or in noncompliance with the aforementioned codes standar...
Page 5: ...two electric system power sources from each other by such means will result in damage to the generator and may also result in injury or death to utility power workers due to backfeed of electrical ene...
Page 6: ...e enclosure Protect the switch at all times against excessive moisture dust dirt lint construction grit and corrosive vapors It is highly recommended to utilize a Generac Centurion transfer switch wit...
Page 7: ...s and cause an explosion No leakage of fuel is permitted Natural gas which is lighter than air tends to collect in high areas LP gas is heavier than air and tends to settle in low areas 1 7 ENGINE PRO...
Page 8: ...ator The unit will not start or crank if the fuse is blown Replace the fuse with one of the same size type and rating Generac normally uses an AGC fuse rated at 15 amps part number 022676 1 8 UNPACKIN...
Page 9: ...e 11 inches to 14 inches of water column 0 4 to 0 5 psi at all load ranges NOTE A seperate gas line and regulator may be needed to assure proper gas pressure to the generator Improper gas pressure can...
Page 10: ...he generator s rated wattage amperage capacity must be adequate to handle all electrical loads that the unit will power You may have to group the critical essential loads together and wire them into a...
Page 11: ...ctors Install the unit where air inlet and outlet openings will not become obstructed by leaves grass snow etc If prevailing winds will cause blowing or drifting consider a windbreak to protect the un...
Page 12: ...is to be installed use the Total Circuit Isolation Method It is possible for the generator to be overloaded when this isolation method is employed The following apply to the transfer switch in this ty...
Page 13: ...solution that can cause severe burns Do not permit fluid to contact eyes skin clothing painted surfaces etc Wear protective goggles protective clothing and gloves when handling a battery If the fluid...
Page 14: ...rical systems For additional information see the applicable transfer switch manual for this unit The transfer switch as well as the generator and other standby components must be properly located and...
Page 15: ...cates time the generator has operated in hours and tenths of hours Use the hourmeter along with the periodic maintenance schedule for the generator set 3 2 2 AUTO OFF MANUAL SWITCH Use this three posi...
Page 16: ...t breaker to its ON or CLOSED position 3 5 WEEKLY EXERCISE CYCLE The generator will start and exercise once every seven days During this weekly exercise the unit runs for about 20 minutes and shuts do...
Page 17: ...nings in the generator compartment must be open and unobstructed for continued proper operation This includes high grass weeds brush leaves and snow Without sufficient cooling and ventilating air flow...
Page 18: ...eterioration leaks etc Correct any discrepancies found Check hose clamps for tightness Check fluid levels as outlined above 4 5 5 PERFORM VISUAL INSPECTION Complete a thorough visual inspection of the...
Page 19: ...e area around the base of the spark plugs to keep dirt and debris out of the engine Clean by scraping or washing using a wire brush and commercial solvent Do not blast the spark plugs to clean 2 Remov...
Page 20: ...the state of charge and condition checked This should be done with an automotive type battery hydrometer Storage batteries give off explosive hydrogen gas This gas can form an explosive mixture around...
Page 21: ...llows 1 Verify that utility power is turned off to the transfer switch and that the Auto Off Manual switch is set to OFF 2 Check the tag on the engine for oil viscosity and classification Verify that...
Page 22: ...ttery cable The battery charger must be turned off BEFORE removing the battery cable to prevent an over current condition from burning out sensitive control panel components and circuits Following all...
Page 23: ...mal protection level Correct as necessary 5 Check the fuel delivery system on gas engine driven units Tighten Tighten connections as necessary 6 Check the air inlets and outlets for debris Clean as ne...
Page 24: ...least one hour looking for leaks loose connections or components and abnormal operating conditions Correct as necessary 14 Start and exercise the unit at full rated load use a load bank if the site l...
Page 25: ...lean regap or replace plugs Engine starts then shuts down 1 Engine oil level is low 1 Check oil and add oil as needed 2 Engine is overheated 2 Check cooling system for leaks 3 Defective Low Oil Pressu...
Page 26: ...24 Generac Power Systems Inc Section 6 Notes Centurion Liquid cooled 15 kW and 25 kW Generators...
Page 27: ...Generac Power Systems Inc 25 Section 7 Installation Diagram Centurion Liquid cooled 15 kW and 25 kW Generators Drawing No 0E1533 A...
Page 28: ...TO 00 OUTPUT CONNECTION 120 240V 1 PHASE E1 E2 CLOSEST TO BEARING BRUSH HOLDER MOUNTING SCREW 23 178 183 183 183 FO SW 23 194 T2 15C 15 225A 94 BLUE BLUE RED BLACK BLACK BROWN YELLOW TO GOVERNOR 178...
Page 29: ...ER TO ELECTRONIC LOS WLS BLACK GREEN WHITE GRD BATTERY 12 V 1 12 56 GRD 13 0 BLACK SM CC RED ACTUATOR CONNECTOR ACTUATOR GOVERNOR DC VR DC A DIS FS 85 85 85 13 14 13 49 0 48 49 48 85 85 85 56 0 13 14...
Page 30: ...1 N2 23 194 11 22 33 44 CB1 0 S16 S15 E1 00 E2 CUSTOMER CONNECTION 120 240V 1 PHASE TRANSFER SWITCH CONNECTION TS3 EC AR ALTERNATOR ROTOR AS ALTERNATOR STATOR CB1 2 CIRCUIT BREAKERS DPE EXCITATION WIN...
Page 31: ...R LOS LOW OIL SWITCH ISC IGNITION SYSTEM CONTACT GRD GROUND EH ENGINE HEATER DCA DC ALTERNATOR CC CONTROL CONTACTOR 12V BATTERY FED CIRCUIT TO 120V 15A UTILITY 0 BLACK GREEN WHITE EH 0 CC 16 RED SM TO...
Page 32: ...ASSY CARBURETOR LINKAGE ROD 12 0A7106 1 BRACKET STEPPER MOTOR 13 074031 AR LIQUID NEOPRENE 14 029333A 10 TIE WRAP 7 4 X 19 BLK UL 15 022507 2 SCREW HHC 1 4 20 X 1 2 G5 16 022473 2 WASHER FLAT 1 4 ZIN...
Page 33: ...60 G8 8 11 021991 1 EARTH STRAP 13 0D9335 2 PANEL SUPPORT 14 0D9336 2 PANEL BRACKET 15 0C2454 12 SCREW TH FRM M6 1X16 N WA Z JS 16 047411 1 SCREW HHC M6 1 0 X 16 G8 8 17 022097 1 WASHER LOCK M6 1 4 1...
Page 34: ...OF 17 GROUND WIRE FASTENER TO SECURE USE DOOR LATCH NOTE 11 24 7 10 4 9 24 26 15 25 19 8 5 11 10 5 NOTE 11 19 26 6 10 4 26 18 10 15 Y 26 14 13 17 26 11 17 15 1 21 24 3 23 22 11 2 11 29 Section 9 Explo...
Page 35: ...14 022152 3 WASHER LOCK 10 15 0912970064 3 ASSEMBLY BASE DOOR GROUND WIRE 16 023762 3 WASHER SHAKEPROOF EXT 10 STL 17 0912970063 3 GRD WIRE ASS Y 99HSB 18 022264 6 WASHER LOCK 8 M4 19 067035 6 SCREW...
Page 36: ...36 9 43 8 10 4 19 39 18 6 22 23 1 11 5 40 25 42 1 11 11 26 4 35 3 10 32 Y 10 Y 14 15 17 18 19 15 17 34 29 31 21 11 10 3 22 24 23 46 28 48 4 30 27 2 NUT 037337 USE LOCTITE ON 17 NOTE STATES FOAM IS ON...
Page 37: ...022127 9 NUT HEX 1 4 20 STEEL 25 0D8663 2 BAFFLE CNTRL PNL 1 5L ACOUSTIC 26 0D8665 2 BAFFLE DOOR 1 5L ACOUSTIC UNIT 27 0E0072D 1 ACSTC INSLTN 1 5L DUCT RH PNL 28 0E0072B 1 ACSTC INSLTN 1 5L DUCT LH PN...
Page 38: ...cooled 15 kW and 25 kW Generators Control Panel Drawing No 0E0778 G A 22 28 51 26 29 TO A 26 25 10 27 33 9 31 53 52 55 54 58 8 6 7 5 31 50 34 49 12 28 42 3 40 39 38 41 11 2 30 57 17 16 18 28 28 A 21 5...
Page 39: ...LAT 1 4 M6 ZINC 28 0C2212 10 SCREW PHTT M4 0 7 X 16 ZYC 29 023762 2 WASHER SHAKEPROOF EXT 10 STL ITEM PART NO QTY DESCRIPTION 30 0C2267 14 SCREW HHTT M5 0 8 X 12 BP 31 023897 15 WASHER FLAT 10 ZINC 32...
Page 40: ...9 17 18 20 26 21 20 25 22 24 57 33 11 14 9 24 72 10 11 10 14 1 24 35 34 36 44 45 14 71 12 46 11 10 49 47 70 11 10 6 69 56 55 67 59 52 58 64 63 65 62 60 7 Section 9 Exploded Views and Parts Centurion L...
Page 41: ...D EL 90 3 8 NPT X 5 8 41 026925 1 PLUG STD PIPE 3 8 STEEL SQ HD ITEM PART NO QTY DESCRIPTION 42 061012 1 PLUG STD PIPE 1 8 SCKT HD 43 039253 4 SCREW HHC M8 1 25 X 20 G8 8 44 0A5110 1 PIPE WATER INLET...
Page 42: ...MIDWAY UP ENGINE BLOCK 14 TUBE ON BLOCK TO THERMOSTAT 31 10 23 26 8 20 WATER INLET 8 19 8 8 6 ADAPTER 12 24 7 16 7 7 15 13 TO ENGINE BYPASS 33 34 11 12 Section 9 Exploded Views and Parts Centurion Liq...
Page 43: ...18 056892 4 SCREW CRIMPTITE 10 24 X 3 8 19 0A6284 1 HOSE LOWER RADIATR 20 0A6258 1 HOSE UPPER RADIATR 21 029032 1 HOSE 9 32 ID 36 LG 22 031669 4 BOLT CARR 1 4 20 X 1 3 4 JS500 23 060035 4 SPACER 41 X...
Page 44: ...OUT 2 41 40 11 14 9 C 12 14 16 17 8 43 15 D 4 5 27 42 23 2 7 6 40 21 39 36 38 28 30 34 24 25 6 6 41 26 37 35 22 13 NATURAL GAS OUT 1 PORT 41 3 11 D Section 9 Exploded Views and Parts Centurion Liquid...
Page 45: ...62522 1 STUD TH 1 4 20 X 3 G2 ZNC FULL 25 022127 1 NUT HEX 1 4 20 STEEL 26 022259 2 NUT HEX 5 16 18 STEEL 27 050279 1 DECAL FUEL INLET NG 28 0A6125 2 STUD 5 16 18 X 1 25 F THR 29 0D8492Q 1 DECAL EMISS...
Page 46: ...3 12 5 9 15 14 17 To Blower Housing 32 23 24 35 1 21 28 7 22 33 10 29 16 30 18 2 6 19 20 31 21 4 To Engine Crankshaft 26 Section 9 Exploded Views and Parts Centurion Liquid cooled 15 kW and 25 kW Gene...
Page 47: ...RUSH 11 075476 4 SCREW PPHM M4 0 7 X 16 12 0A5601 1 COVER REAR BEARING CARRIER 13 075554B 4 BOLT STATOR X 16 LG 14 0A9375 4 SCREW RHM 10 24 X 2 15 022152 4 WASHER LOCK 10 16 097146 1 FAN RING GEAR ASS...
Page 48: ...763 3 BOOT BATTERY CABLE 9 0D8668 1 BRACKET BATTERY HOLD DOWN 1 5 13 050331A 1 BATTERY POST COVER RED 14 050331 1 BATTERY POSTCOVER BLACK 15 0C2454 2 SCREW TH FRM M6 1X16 N WA Z JS 16 025507 1 WASHER...
Page 49: ...ATOR 1 5L MITSU 7 0E0170 1 BLANKET EXHAUST 1 5L MITSU 8 0D9437 1 MUFFLER 1 5L ACOUSTIC STANDARD 9 060366 2 STRAP MUFFLER 6 DIA 10 039253 4 SCREW HHC M8 1 25 X 20 G8 8 11 022145 4 WASHER FLAT 5 16 ZINC...
Page 50: ...deny any and or all warranty coverage or responsibility if your engine or a part component thereof has failed due to abuse neglect improper maintenance or unapproved modifications or the use of counte...
Page 51: ...tion 4 below Any such emissions related part repaired or replaced under the ECS Warranty shall be warranted for the remainder of the ECS Warranty Period prior to the first scheduled replacement point...
Page 52: ...where integrity of paint applied is compromised Costs of normal maintenance adjustments installation and start up Failures caused by any contaminated fuels oils coolants or lack of proper fluid amount...
