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POWER SYSTEMS, INC.

®

®

POWER SYSTEMS, INC.

®

Owner’s Manual

Liquid-cooled, Prepackaged

Standby Generators

Models:

004373-1 (40 kW/Single-phase 

w/ 200 Amp 
Transfer Switch)

004626-0 (40 kW/Single-phase

w/ 200 Amp
Transfer Switch
California Emissions)

ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS 

SHOULD ATTEMPT INSTALLATION!!

*This Manual Should

Remain With The Unit*

Содержание Guardian 004373-1

Страница 1: ...kaged Standby Generators Models 004373 1 40 kW Single phase w 200 Amp Transfer Switch 004626 0 40 kW Single phase w 200 Amp Transfer Switch California Emissions ONLY QUALIFIED ELECTRICIANS OR CONTRACT...

Страница 2: ...is symbol points 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 tha...

Страница 3: ...up 11 2 8 2 Transfer Switch 11 2 8 3 Fuel System 11 2 8 4 Generator Set Lubrication 11 2 8 5 Engine Coolant 11 2 8 6 Belt Tension 11 2 8 7 Electrical System 11 2 8 8 Rodent Protection 11 Section 3 Ope...

Страница 4: ...cturer s instructions and recommen dations Following installation do not do anything that might render the unit unsafe or in noncompli ance with the aforementioned codes standards laws and regulations...

Страница 5: ...e to isolate the 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...

Страница 6: ...and qualified personnel to be used in all phases of handling and unpacking 1 2 THE GENERATOR This liquid cooled Guardian generator set is designed to supply electrical power to operate critical elect...

Страница 7: ...C frequency rpm signals directly from the stator AC power windings Should AC frequency exceed approximately 72 Hertz circuit board action will automatically shut down the engine 1 6 5 OVERCRANK SHUTDO...

Страница 8: ...20 cfh LP Gas 004373 1 004626 0 288 cfh 7 9gph 1 8 FUEL REQUIREMENTS AND RECOMMENDATIONS With LP gas use only the vapor withdrawal system This type of system uses the vapors formed above the liquid fu...

Страница 9: ...l gas emergency gener ating sets including the South Coast Air Quality Management District Do not tamper with or disable any part of this system including the exhaust catalyst carburetor oxygen sensor...

Страница 10: ...ation 85 John Street New York N Y 10038 AGRICULTURAL WIRING HANDBOOK obtainable from the Food and Energy Council 909 University Avenue Columbia MO 65201 ASAE EP 364 2 INSTALLATION AND MAINTE NANCE OF...

Страница 11: ...d external electrically conductive parts of this equipment to be properly connected to an approved earth ground and or grounding rods For that purpose a GROUND LUG Figure 2 2 is provided on the genera...

Страница 12: ...ff immediately with water Where electrolyte contacts the eyes flush thoroughly and immediately with water and seek medical atten tion and Spilled electrolyte is to be washed down with an acid neutrali...

Страница 13: ...erate the engine with the oil level below the dipstick ADD mark See Specifications Page 5 and Engine Oil Recommendations Page 7 NOTE This engine is shipped from the manufacturer with SAE 15W 40 oil Th...

Страница 14: ...hours and tenths of hours Use the hourmeter along with the periodic maintenance schedule for your generator set 3 1 6 AUTO OFF MANUAL SWITCH See Section 3 2 3 1 7 FAULT INDICATOR LAMP This lamp goes O...

Страница 15: ...rcuit board signals the transfer switch to activate and connect load circuits to the standby power supply load terminal lugs T1 T2 connect to terminal lugs E1 E2 Upon restoration of utility source vol...

Страница 16: ...engine may start If engine does start it will shut down automatically in about two 2 minutes Set the generator s main circuit breaker to its ON or closed position The generator is now programmed to st...

Страница 17: ...d install and tighten the oil drain hose cap 4 Turn the oil filter Generac part number 0A37970001 Figure 4 2 counterclockwise and remove it Properly dispose of the old filter Figure 4 2 Oil Filter 5 A...

Страница 18: ...ved or is below an acceptable preset level To prevent such automatic start up and possible injury to per sonnel do not connect battery cables until the normal source voltage at the transfer switch is...

Страница 19: ...15 amp Fuse 4 9 ENGINE COOLANT Check the coolant level in the coolant recovery bottle Add the recommended coolant mixture as necessary See Section 1 10 on Page 7 Periodically remove the radiator pres...

Страница 20: ...off the utility power to the transfer switch 5 While the engine is still warm from running drain the oil completely Refill the crankcase with SAE 15W 40 oil having API Service Class SG SH or SJ 6 Att...

Страница 21: ...100 H COOLING Engine cooling system X M Coolant X Y Enclosure louvers X X W EXHAUST Exhaust system X EVERY 3 M Retorque Exhaust Manifold X FIRST 100 H AND EVERY 800 H BATTERY Charge and condition X R...

Страница 22: ...2 Clean re gap or replace plug s 3 Dirty Blocked air filter 3 Clean or replace as required The engine starts but then 1 Engine oil level low 1 Check oil and add oil as needed shuts down 2 Defective lo...

Страница 23: ...D CONTROLLER L1 LIGHT FAULT INDICATOR HZ CAP CAPACITOR CB1 CIRCUIT BREAKER EXCITATION GCU GOVERNOR CONTROLLER UNIT D1 DIODE 600V 12A HM HOURMETER F1 FUSE 15 AMPS TS1 TS2 TERMINAL STRIP S16 BVM METER B...

Страница 24: ...15A BLUE 15 SW2 S3 SW1 178 178 229 178 183 0 2 0 15C S3 S1 14 18 S16 14 65 15C 65 12 67 0 15C 00 67 67 S15 65 S16 VM 64 0 0 0 15 0 S1 6 2 57 57 11 58 7 3 58 S16 183 57 19 65 0 S3 BVM 0 14 S15 S15 14...

Страница 25: ...O X X X O X O O X O X O O O O O O O O O X O 1 2 3 OFF POSITION O X X X TO ENGINE CONNECTOR EH 85 6 S16 S15 S1 2 29 R1 D1 4 4 1 0 14 85 56 14 14 13 229 15 TS1 85 S16 PHASE SELECTOR SWITCH S16 S15 162 1...

Страница 26: ...24 Generac Power Systems Inc Section 6 Electrical Data Model No 004626 0 Guardian Liquid cooled 40 kW Generator Wiring Diagram Control Panel Drawing No 0D6974...

Страница 27: ...Generac Power Systems Inc 25 Section 6 Electrical Data Model Nos 004373 1 004262 0 Guardian Liquid cooled 40 kW Generator Electrical Schematic Engine 4 3L Drawing No 0A4592 B...

Страница 28: ...26 Generac Power Systems Inc Section 6 Electrical Data Model Nos 004373 1 004262 0 Guardian Liquid cooled 40 kW Generator Wiring Diagram Engine 4 3L Drawing No 0A4591 B...

Страница 29: ...Generac Power Systems Inc 27 Section 6 Electrical Data Model No 004373 1 Guardian Liquid cooled 40 kW Generator Electrical Schematic Stepper Motor Drawing No 0A5858...

Страница 30: ...RT CONNECTION CP CONTROL PANEL CONNECTOR LOWER PANEL NB NEUTRAL BLOCK E3 E1 CB2 00 DIRECT 390mm A S CP TS3 TS4 A R NB 57 S3 S15 S1 S16 58 S3 1 0 S15 4 0 57 57 58 0 11 44 33 5 22 58 6 2 FROM STANDARD G...

Страница 31: ...PE S1 AS 6 E TP Q 2 K 5 5 F RED 4 4 C AR 1 1 D T2 V 23 W 194 X T1 U N2 T N1 S 183 B 178 J TS3 TS3 TS4 TS4 NB NB 120 240 V 1 PHASE TO CONTROL PANEL CONNECTOR CP THERMAL PROTECTOR BYPASS Section 6 Elect...

Страница 32: ...N FAILURE TO WAIT 30 SEC POSITION FAILURE TO WAIT 30 SEC OFF MANUAL SWITCH TO THE AUTO OFF MANUAL SWITCH TO THE AUTO 20 SECONDS AND THEN RELEASE 20 SECONDS AND THEN RELEASE TIME SWITCH TO ON POSITION...

Страница 33: ...C 0 300 31 070045 1 AMMETER AC 0 200 ITEM PART NO QTY DESCRIPTION 32 070042 1 FREQUENCY METER 240V 55 65HZ 33 081988 1 DECAL EXERCISE INFO 34 0C1229 1 DECAL CUST CONN BOX 35 098647 1 ASSY L C ELECT GO...

Страница 34: ...TART IT WILL SHUT OFF AUTOMATICALLY WITHIN 2 MIN PUSH AND HOLD SET EXERCISE TIME SWITCH TO ON POSITION FOR 20 SECONDS AND THEN RELEASE OFF MANUAL SWITCH TO THE AUTO POSITION FAILURE TO WAIT 30 SEC MAY...

Страница 35: ...MMETER AC 0 200 32 070042 1 FREQUENCY METER 240V 55 65HZ 33 081988 1 DECAL EXERCISE INFO ITEM PART NO QTY DESCRIPTION 34 0C1229 1 DECAL CUST CONN BOX 35 0D3440 1 CONTROLLER B C DPG 2103 36 0A3968 1 CA...

Страница 36: ...ING 3 098958A 1 CONNECTOR INTERFACE ASSEMBLY 4 021888 1 LEVER STEPPER MOTOR 5 082508 2 BALL JOINT PLA 25 28 9 036409 2 NUT HEX 1 4 28 STEEL 11 043146 3 SCREW HHC M6 1 0 X 10 G8 8 12 098941A 2 HOUSING...

Страница 37: ...L SQ HD ITEM PART NO QTY DESCRIPTION 25 0A8785 4 PLUG BUTTON 3 DIA 26 0C4360 8 PLATE VARMINT 27 071693 16 WASHER FLAT 281 ID X 1 0 OD 28 0C2454 16 SCREW TH FRM M6 1 X 16 N WA Z JS 29 0C4753 1 PLUG 3 4...

Страница 38: ...45 43 40 22 39 7 8 36 13 5 10 11 33 19 31 4 35 26 34 3 34 14 30 28 44 27 9 1 21 43 25 46 40 41 26 17 34 16 38 15 47 29 18 Section 7 Exploded Views and Parts Lists Model Nos 004373 1 004626 0 Guardian...

Страница 39: ...NG WELD 23 0A4241 1 PULLEY GROOVED IDLER ITEM PART NO QTY DESCRIPTION 24 0C2885 1 PULLEY TENSIONER 25 0A4100G 1 SPACER DC ALTERNATOR 32MM 26 022131 8 WASHER FLAT 3 8 M10 ZINC 27 077456 1 ADAPTOR M12 1...

Страница 40: ...38 Generac Power Systems Inc Section 7 Exploded Views and Parts Lists Model Nos 004373 1 004626 0 Guardian Liquid cooled 40 kW Generators Engine Parts Drawing No 0D6980...

Страница 41: ...1 8 SOCKET HEAD 21 069939 1 HOUSING THERMOSTAT WATER INLET 22 035606 1 SENSOR HI COOLANT SHUTDOWN 23 0A4930B 1 HEAT SHIELD RIGHT 24 0A4084 1 MOUNT ENGINE R L 25 029745 3 SCREW HHC 3 8 16 X 1 G5 26 04...

Страница 42: ...ighten nut is made with Ring Gear then back off Thread in Sensor 8 until contact Note 39 36 37 35 38 To Engine 4 3 21 39 20 11 6 5 18 23 41 7 40 17 9 13 10 1 2 32 33 34 31 28 29 30 25 24 26 14 15 16 1...

Страница 43: ...477 4 SCREW HHC M14 2 0 X 150 G8 8 18 0A1633 4 WASHER 390 SAE ALT 19 020729A 1 STATOR 390 40AD2 SAE 20 022131 12 WASHER FLAT 3 8 M10 ZINC 21 046526 12 WASHER LOCK M10 22 057642 12 SCREW HHC M10 1 5 X...

Страница 44: ...DUCT FRONT LH ITEM PART NO QTY DESCRIPTION 23 0C4064 A 1 DUCT FRONT RH 24 0C4066 A 1 DUCT BOTTOM 25 0C4067 A 1 DUCT FRONT PANEL 26 0C4117 A 1 DUCT FRONT TOP RH 28 0C2634A 1 ASSEMBLY COVER ACCESS 29 0C...

Страница 45: ...45KW 8 0A5397 1 GUARD FAN 4 3L D C 9 0A4375 1 HOSE 4 3L STD LOWER 10 035685 4 CLAMP HOSE 28 1 32 2 25 11 047290 16 HOSE 3 8 ID SINGLE BRAID 12 040173 2 CLAMP HOSE 5 5 62 62 13 049340 1 BARBED ELBOW 90...

Страница 46: ...TION 16 082508 1 BALL JOINT PLA 25 28 17 055934Z 1 CLAMP VINYL 1 13 X 406 Z 18 022097 1 WASHER LOCK M6 1 4 19 036409 2 NUT HEX 1 4 28 STEEL 20 0A4632B 1 PLATE AIR CLEANR BOTTOM 21 0A4637 1 FILTER AIR...

Страница 47: ...CARB IMPCO 225 ITEM PART NO QTY DESCRIPTION 19 036409 1 NUT HEX 1 4 28 STEEL 20 0A4632B 1 PLATE AIR CLEANR BOTTOM 21 0A4637 1 FILTER AIR 11 5 22 0C7820 1 MACHINING CARBURETOR ADAPTOR 23 0A4632A 1 PLA...

Страница 48: ...18 X 1 G5 14 025655 1 PLUG STD PIPE 3 4 STEEL SQ HD 15 022132 2 WASHER FLAT 9 16 ZINC 16 051778 2 SCREW HHC M14 2 0 X 25 G8 8 ITEM PART NO QTY DESCRIPTION 17 028641 1 NIPPLE TOE 3 4 NPT X 2 18 057824...

Страница 49: ...2 0 X 25 G8 8 17 028641 1 NIPPLE TOE 3 4 NPT X 2 ITEM PART NO QTY DESCRIPTION 18 057824 2 CLAMP HOSE 16 87 1 50 19 057422 1 HOSE 1 IN ID LP GAS 20 043123 2 WASHER LOCK M14 21 051779 2 NUT HEX M14 2 G...

Страница 50: ...HHC M6 1 0 X 16 G8 8 10 022097 4 WASHER LOCK M6 1 4 11 022473 4 WASHER FLAT 1 4 ZINC 12 049813 2 NUT HEX M6 X 1 00 G8 YEL CHR 13 042568 2 SCREW HHC M6 1 0 x 20MM G8 8 14 077043E 36 FLEXIBLE CONDUIT 1...

Страница 51: ...RDIAN UNITS 7 0A4010 2 SCREW HHC M8 1 25 X 60 FT G8 8 8 052858 2 NUT LOCK FLANGE M8 1 25 9 049820 2 NUT LOCK HEX M8 1 25 NYLON INSERT 11 023152 1 SCREW HHC 3 8 16 X 3 4 G5 12 022131 1 WASHER FLAT M10...

Страница 52: ...44 43 32 31 10 13 43 44 41 58 32 32 57 53 32 59 54 33 46 55 29 30 61 70 43 33 60 44 40 6 44 17 41 15 36 34 35 16 14 18 36 BOTTOM OF CONTROL PANEL Section 7 Exploded Views and Parts Lists Model Nos 004...

Страница 53: ...HER LOCK M8 5 16 34 022158 10 NUT HEX 10 32 STEEL ITEM PART NO QTY DESCRIPTION 35 022152 14 WASHER LOCK 10 36 023897 8 WASHER FLAT 10 ZINC 37 069232 4 SCREW RHM 10 32 X 3 3 4 39 022471 7 NUT HEX 8 32...

Страница 54: ...52 Generac Power Systems Inc Section 7 Exploded Views and Parts Lists Model No 004626 0 Guardian Liquid cooled 40 kW Generators Exhaust Muffler Drawing No 0D6976...

Страница 55: ...NUT HEX M8 1 25 G8 YEL CHR 18 042907 16 SCREW HHC M8 1 25 X 16 G8 8 ITEM PART NO QTY DESCRIPTION 19 080762 8 BOLT U 3 8 16 X 2 62 20 022237 16 WASHER LOCK 3 8 21 022241 16 NUT HEX 3 8 16 STEEL 22 0D5...

Страница 56: ...ET EXHAUST SHIELD 11 0C4305 1 SHIELD A GRP HEAT ITEM PART NO QTY DESCRIPTION 12 0C2454 2 SCREW TH FRM M6 1 X 16 N WA Z JS 13 0C3433A 4 CLAMP BAND 2 5 14 022129 12 WASHER LOCK M8 5 16 15 022145 12 WASH...

Страница 57: ...Generac Power Systems Inc 55 Section 8 Notes Guardian Liquid cooled 40 kW Generators...

Страница 58: ...P 8 HOLES ON BOTTOM 1 R677 R26 66 TYP NOTE 5 NOTE 3 2397 94 37 37 1 44 794 31 28 STUB UP AREA 71 2 79 835 32 87 53 2 09 936 36 85 103 4 06 NATURAL GAS INLET 3 4 NPT FEMALE NOTE 9 454 17 87 A1 ALT AIR...

Страница 59: ...AY BE USED FOR CIRCUIT BREAKER STUB UP LOCATION 6 MAIN LINE CIRCUIT BREAKER 5 2 5 I D FLEX EXHAUST 3 EXHAUST MUFFLER SUPPORT BRACKETS SUPPLIED WITH OPTIONAL COMPARTMENT MODIFICATIONS REQUIRED FOR SEE...

Страница 60: ...t not limited to normal wear and tear accident misuse abuse negligence or improper installation As with all mechanical devices the Generac engines need periodic part s service and replacement to perfo...

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