Generac Power Systems Guardian 004188-1 Page 1 Owner'S Manual Download

Page: 1 / 60

POWER SYSTEMS, INC.

Owner’s Manual

Liquid-cooled, Prepackaged

Standby Generators

Model Numbers

(Natural Gas)

004188-1
004370-2
004474-1

(Liquid Propane Vapor)

004189-1
004371-2
004475-1

ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLATION!!

*This manual should remain with the unit.*

Summary of Contents for Guardian 004188-1

Page 1: ...d Prepackaged Standby Generators Model Numbers Natural Gas 004188 1 004370 2 004474 1 Liquid Propane Vapor 004189 1 004371 2 004475 1 ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS SHOULD ATTEMPT INSTALLA...

Page 2: ...l explosion hazard This 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 We strongl...

Page 3: ...Method 9 Total Circuit Isolation Method 9 Grounding the Generator 9 Generator AC Neutral Connections 10 Transfer Switch Start Signal Connections 10 Battery Installation 10 Preparation Before Start Up...

Page 4: ...ator is installed operated and serviced in accordance with the manufacturer s instructions and recommen dations Following installation do nothing that might render the unit unsafe or in noncompliance...

Page 5: ...operating Failure 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...

Page 6: ...sfer switch on a firm sturdy support ing structure To prevent switch distortion level the switch if neces sary This can be done by placing washers between the switch enclosure and the mounting surface...

Page 7: ...OOLANT TEMPERATURE SWITCH Normally open N O thermostatic switch has sensing tip which is immersed in captive coolant Should coolant temperature exceed about 230 F 110 C the switch contacts close which...

Page 8: ...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 30 amps UNPACKING UNPACKING PRECAUTIONS Handle shipping cartons and crates w...

Page 9: ...crank or start the engine before it has been properly serviced with the recommend ed oil may result in an engine failure COOLANT RECOMMENDATIONS Use a mixture of half low silicate ethylene glycol bas...

Page 10: ...ING HANDBOOK obtainable from the Food and Energy Council 909 University Avenue Columbia MO 65201 ASAE EP 364 2 INSTALLATION AND MAINTE NANCE OF FARM STANDBY ELECTRIC POWER available from the American...

Page 11: ...age amperage capacity of the generator set When this method is used it is difficult to overload the gener ator The transfer switch must meet the following requirements It must have an ampere rating eq...

Page 12: ...y with clear water Do not dispose of the battery in a fire The bat tery is capable of exploding Do not open or mutilate the battery Released electrolyte can be toxic and harmful to the skin and eyes T...

Page 13: ...30 hours of operation Engine Coolant Have the engine cooling system properly filled with the recommended coolant mixture Check the system for leaks and other problems See Specifications and Coolant B...

Page 14: ...ng with the periodic maintenance schedule for the genera tor set AUTO OFF MANUAL SWITCH Use this 3 position switch as follows Set the switch to Auto for fully automatic operation See Automatic Operati...

Page 15: ...such as a utility main line circuit breaker The utility power source now powers the loads AUTOMATIC OPERATION To set the system for fully automatic operation proceed as follows Check that load circui...

Page 16: ...rque Specs 2 Retorque intake and exhaust manifold See Torque Specs 3 Check engine compression 4 Check valve clearance COOLING SYSTEM Air intake and outlet openings in the generator com partment must b...

Page 17: ...INSPECT COOLING SYSTEM Inspect engine cooling system at least once each month Check hoses for damage deterioration leaks etc Correct any discrepancies found Check hose clamps for tightness CHECK ENGI...

Page 18: ...il leaks CHANGING THE ENGINE AIR CLEANER To replace the engine air cleaner part number 59402 simply remove the air cleaner cover and replace the air filter making sure it is positioned properly before...

Page 19: ...as and cause an explosion which can shatter the battery causing blindness or other serious injury BATTERY MAINTENANCE The battery should be inspected per the Service Schedule Section 6 The following p...

Page 20: ...l and add oil as needed 2 Engine is overheated 2 Check cooling system for leaks 3 Defective Low Oil Pressure Switch 3 Replace switch 4 Defective Coolant Temperature Switch 4 Replace switch 5 Defective...

Page 21: ...FORE removing the battery cable to prevent an over current condi tion from burning out sensitive control panel components and circuits Following all maintenance reverse these steps to insure the unit...

Page 22: ...ant thermal protection level Correct as necessary 5 Check the natural gas delivery system on gas engine driven units Tighten connections as necessary 6 Check the air inlets and outlets for debris Clea...

Page 23: ...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 load is not enough for at least 2 hours l...

Page 24: ...22 Generac Power Systems Inc Section 7 Electrical Data Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Wiring Diagram Control Panel 1 Phase Drawing No 0A2803 D...

Page 25: ...Generac Power Systems Inc 23 Section 7 Electrical Data Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Wiring Diagram Control Panel 1 Phase Drawing No 0A2803 D...

Page 26: ...24 Generac Power Systems Inc Section 7 Electrical Data Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Electrical Schematic Control Panel 1 Phase Drawing No 0A2802 B...

Page 27: ...Section 7 Electrical Data Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Wiring Diagram 1 5L Gas Engine Drawing No 0A7176 A Generac Power Systems Inc 25 AC OUTLET...

Page 28: ...OS 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 CO...

Page 29: ...15 10 SWAGE FASTENER W NYLON WASHER ITEM PART NO QTY DESCRIPTION 10 32990 6 BUMPER 11 C2164 1 LATCH 13 29107 6 GROMMET 3 16 7 8 14 A1694 5 BUTTON PLUG 1 1 2 15 91297 063 3 GROUND WIRE ASSEMBLY 16 9129...

Page 30: ...0 24 26 31 8 23 42 50 27 8 27 36 1 2 31 21 3 2 17 26 19 18 26 55 2 23 16 28 3 1 14 53 10 27 12 27 27 43 2 2 11 54 1 13 56 15 28 23 2 1 29 1 20 23 25 28 5 4 47 52 51 6 28 9 23 4 7 27 4 3 5 27 4 Section...

Page 31: ...NC 27 089961 24 FT FOAM STRIP 3 4 X 1 4 28 022473 20 WASHER FLAT 1 4 ZINC 29 082570 1 PLUG PLASTIC 4 PLUG BTTN 425 30 039253 12 SCREW HHC M8 1 25 X 20 G8 8 31 042568 14 SCREW HHC M6 1 0 X 20 G8 8 32 0...

Page 32: ...30 Generac Power Systems Inc Section 8 Exploded Views and Parts Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Exploded View Control Panel 15 and 20 kW Drawing No 0A2872 F...

Page 33: ...x 12MM 35 056739 1 SOLENOID RELAY 12VDC ITEM PART NO QTY DESCRIPTION 36 0C2512 1 GROMMET 1 16 1 3 8 37 0C2513 2 GROMMET 1 8 1 3 4 38 061395 TRANSFORMER CURRENT 100 5 058318 TRANSFORMER CURRENT 150 5...

Page 34: ...15 VDC PANEL FACE ENLARGED VIEW V 44 53 A Hz CB 40 46 34 VIEW ON C B 63 19 18 51 17 61 50 24 16 64 CMA 55 C 42 65 64 31 37 37 32 36 6 58 30 23 45 64 28 52 39 38 3 41 14 VIEW ON A 28 56 40 4 49 5 62 21...

Page 35: ...ENOID 12VDC PNL MNT 36 072252 2 GROMMET 1 37 X 06 X 1 00 ITEM PART NO QTY DESCRIPTION 37 063212 1 GROMMET 1 75 X 12 X 1 50 38 058318 2 TRANSFRM 150A TO 5A 5VA 39 033121 2 SCREW HHC 10 32 X 1 2 40 0492...

Page 36: ...ne block To engine bypass 14 30 12 33 34 water inlet 8 tube On block 8 24 12 29 19 8 8 21 A 20 9 24 3 To thermostat adapter 14 12 17 4 17 7 16 7 7 5 34 33 14 13 6 11 11 12 Section 8 Exploded Views and...

Page 37: ...SCREW CRMPTIT 1 4 20 X 5 8 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 22 031669 4 BOLT CARR 1 4 20 X 1 3 4 JS500 23...

Page 38: ...On block 3 8 20 8 8 21 9 A 8 18 33 3 12 34 4 17 To engine bypass 7 on intake manifold Midway up engine block 37 30 7 16 13 34 33 17 15 5 7 11 14 12 6 A 29 31 24 12 12 11 12 Section 8 Exploded Views a...

Page 39: ...10 24 X 3 8 19 0A6284 1 HOSE LOWER RADIATOR 20 0A6258 1 HOSE UPPER RADIATOR 21 029032 1 HOSE 9 32 ID 24 022127 1 NUT HEX 1 4 20 STEEL 25 022145 8 WASHER FLAT 5 16 ZINC 26 022129 8 WASHER LOCK M8 5 16...

Page 40: ...8 45771 12 NUT HEX M8 1 25 9 71956 4 WASHER VIBRATION ISOLATOR 10 51730 2 CAPSCREW HEX HEAD M8 1 25 x 60MM 12 57821 2 CAPSCREW HEX HEAD M8 1 25 x 40MM 13 21991 1 STRAP GROUNDING 14 27482 1 WASHER STA...

Page 41: ...MOUNTING 3 070936 2 DAMPENER VIBRATION 4 070936C 2 DAMPENER VIBRATION 5 039253 8 SCREW HHC M8 1 25 X 20 G8 8 6 022145 12 WASHER FLAT 5 16 ZINC 7 022129 12 WASHER LOCK M8 5 16 8 045771 12 NUT HEX M8 1...

Page 42: ...16 18 STEEL 9 022129 6 WASHER LOCK M8 5 16 10 036449 1 SADDLE 2 INCH 11 076032 1 CHANNEL MUFFLER SUPPORT 12 039253 4 SCREW HHC M8 1 25 X 20 G8 8 13 045771 4 NUT HEX M8 1 25 G8 YEL CHR 14 0C3683 1 GUA...

Page 43: ...HAUST 6 0C1068 1 SUPPORT MUFFLER 1 5L 7 0C1412 1 ELBOW EXHAUST 45 DEG 8 0A5728 1 MUFFLER 1 6 1 5L SAE 9 060366 2 STRAP MUFFLER 6 DIA 10 066889 4 SCREW HHC M8 X 1 25 X 20MM 11 022145 4 WASHER FLAT 5 16...

Page 44: ...70 X 2 240V 39782 BRKT 039766 1 CIRCUIT BREAKER 90 X 2 240V 39782 BRKT 0A2077 1 CIRCUIT BREAKER 125 X 2 120 240V 39783 BRKT 5 023965 2 SCREW RHM 8 32 X 3 8 6 022264 2 WASHER LOCK 8 M4 5 2 6 3 4 1 42...

Page 45: ...SHER LOCK M4 10 051787 2 SCREW HHC M4 0 7 X 16 G8 8 11 079847 1 BOX CMA ITEM PART NO QTY DESCRIPTION 12 0A8504 1 DECAL CMA LABEL 0A8504A 1 DECAL CMA LABEL 13 022661V 083 TUBING SHRINK 19 ID RED 14 038...

Page 46: ...4 X 20 00 3 038805B 1 CABLE BATT BLK 4 X 23 00 4 0742600131 1 ASSY WIRE 16 RED 1 6 5 022131 1 WASHER FLAT 3 8 ZINC 6 046526 1 WASHER LOCK M10 7 052213 1 SCREW HHC M10 1 25 X 20 G8 8 8 059567 2 BOLT B...

Page 47: ...M 2 X 5 8 SELF TAP 6 043146 3 SCREW HHC M6 1 0 X 10 G8 8 7 022097 5 WASHER LOCK M6 1 4 8 064526 2 SCREW TAP HWH 6 25 X 3 8 ZINC 9 098783 1 LEVER STEPPER MOTOR 10 037398 2 NUT LOCK HEX 10 32 NYL INS 11...

Page 48: ...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 8 Exploded Views and Parts Guardian Liquid cooled 15 kW 20 kW and 25 kW Generato...

Page 49: ...75476 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 ASSEM 17 042...

Page 50: ...0 19 34 28 32 20 31 29 30 TO ENGINE AT X BLOCK MOUNT 14 1 14 11 9 15 33 D 4 4 27 15 6 9 11 35 8 36 6 7 3 13 25 24 16 17 37 18 23 22 21 C D 38 Section 8 Exploded Views and Parts Guardian Liquid cooled...

Page 51: ...RETOR GASKET 21 076011 4 SCREW PRHM 10 24 X 1 2 22 022152 4 WASHER LOCK 10 23 023897 4 WASHER FLAT 10 ZINC 24 062522 1 STUD TH 1 4 20 X 3 G2 ZNC FULL 25 022127 1 NUT HEX 1 4 20 STEEL 26 022259 2 NUT H...

Page 52: ...50 Generac Power Systems Inc Section 8 Exploded Views and Parts Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Exploded View Engine Compartment Drawing No 0A7642 J...

Page 53: ...INTAKE 38 057522 1 SENSOR COOLANT LEVEL ITEM PART NO QTY DESCRIPTION 39 0A6751 1 SW TMP 245DEG 3 8NPT 40 034339 1 BARBED EL 90 3 8NPT X 5 8 41 0D4788 1 PLUG STD PIPE 3 8 STEEL SQ HD 42 061012 1 PLUG S...

Page 54: ...52 Generac Power Systems Inc Section 9 Installation Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Installation Drawing 15 20 kW Drawing No 0A7214 C...

Page 55: ...Generac Power Systems Inc 53 Section 9 Installation Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Installation Drawing 15 20 kW Drawing No 0A7214 C Air Intake Air Intake Air Outlet...

Page 56: ...54 Generac Power Systems Inc Section 9 Installation Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Installation Drawing 25 kW Drawing No 0C1450...

Page 57: ...Generac Power Systems Inc 55 Section 9 Installation Guardian Liquid cooled 15 kW 20 kW and 25 kW Generators Installation Drawing 25 kW Drawing No 0C1450 Air Intake Air Intake Air Intake...

Page 58: ...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 unap proved modifications or the use of counterfe...

Page 59: ...ion 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 f...

Page 60: ...sting due to the improper installation location in a harsh or saltwater environment or scratched where integrity of paint applied is compromised Failures caused by any contaminated fuels oils coolants...

Search results

Summary of Contents for Guardian 004188-1

Reviews:

Related manuals for Guardian 004188-1

Brands by name

Popular brands

Generac Power Systems Guardian 004188-1, Owner'S Manual

Search results

Summary of Contents for Guardian 004188-1

Reviews:

Related manuals for Guardian 004188-1

Brands by name

Popular brands