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Generac Power Systems MGG155, Operating Manual

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Generac Power Systems MGG155 Operating Manual Download Page 33

Operation

35319 C

MGG155/210 Operating Manual

27

Figure 12 - Generator Output Connections 

CUSTOMER CONVENIENCE RECEPTACLES

The unit is equipped with two 120V GFCI receptacles, located to the right of the customer connection box. These 
receptacles are not routed through the main circuit breaker. Each receptacle has its own circuit breaker, located 
directly above it.

Figure 13 - 120V GFCI Receptacles 

Power to the receptacles is available any time the generator is running, even if the main 
circuit breaker is OFF (O). 

VERIFY ANY EQUIPMENT CONNECTED TO THE CONVE-

NIENCE RECEPTACLES IS TURNED OFF BEFORE TURNING THE BREAKERS ON

 and 

the output voltage is correct for the equipment that is connected to the receptacles. Improper 

voltage may cause equipment damage, property damage, or malfunction.

1.   Connections lugs

2.   Bonding plate

00862

1

2

20A Circuit Breakers

GFCI Receptacles

02021

Discount-Equipment.com

Summary of Contents for MGG155

Page 1: ...OPERATING MANUAL 35319 C 05 16 00620 GASEOUS GENERATOR MGG155 MGG210 www discount equipment com D i s c o u n t E q u i p m e n t c o m ...

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Page 3: ...ON 65 WARNING This product contains or emits chemicals known to the state of California to cause cancer birth defects and other reproductive harm 000005 WARNING ENVIRONMENTAL HAZARD Always recycle batteries at an official recycling center in accordance with all local law and regulations Failure to do so could result in environ mental damage death or serious injury 000228 D i s c o u n t E q u i p ...

Page 4: ...ngine Additional copies of the engine operator s manual are available from the engine manufacturer DO NOT MODIFY or use this equipment for any application other than for which it was designed Only a trained and licensed electrician should perform wiring and connections to unit Wiring must be in compliance with National Electrical Code NEC state and local regulations and Occupational Safety and Hea...

Page 5: ...ses 20 Generator and Load Compatibility 20 Engine Generator Protective Devices 21 Digital Controller 21 Setting the Clock 22 Section 3 Operation Prestart Checklist 23 Manually Starting the Unit 23 Natural Gas Well Gas Start Up 23 LP Liquid Start Up 24 Auto Remote Starting the Unit 24 Parallel Setup and Operation 24 Operation Checks 25 Overcrank Shutdown 25 Derating for Altitude 26 Generator Output...

Page 6: ... 39 Side Wind Models 39 Top Wind Models 39 Trailer Wheel Bearings 39 Section 5 Troubleshooting Problems and Solutions 41 Section 6 Wiring Diagrams AC Wiring MGG155 120V GCB 53 AC Wiring MGG210 120V GCB 54 AC Wiring MGG155 24V GCB 55 AC Wiring MGG210 24V GCB 56 DC Wiring MGG155 120V GCB 57 DC Wiring MGG210 120V GCB 58 DC Wiring MGG155 24V GCB 59 DC Wiring MGG210 24V GCB 60 CAN Parallel Communicatio...

Page 7: ... specific applications DO NOT modify or use this equipment for any application other than which it was designed for Equipment operated improperly or by untrained personnel can be dangerous Read the operating instructions and familiarize yourself with the location and proper use of all instruments andcontrols Inexperiencedoperatorsshouldreceiveinstructionfromsomeonefamiliarwiththeequipment before b...

Page 8: ...round a running engine Batteries contain sulfuric acid which can cause severe injury or death Sulfuric acid can cause eye damage burn flesh or eat holes in clothing Protective eye wear and clothing are necessary when working on or around the battery Always disconnect the negative battery cable from the corresponding terminal before performing any service on the engine or other components DO NOT re...

Page 9: ...up in an area away from heavy traffic prior to transporting unit Wipe the coupler clean and apply fresh grease each time the trailer is towed to eliminate squeaking Connect safety chains in a crossing pattern under the tongue and ATTACH THE BREAKAWAY CABLE TO THE REAR BUMPER OF THE TOWING VEHICLE Do not attach the cable to the trailer hitch The trailer is equipped with hydraulic or electric surge ...

Page 10: ...mbols used on the decals No open flames Read and understand the supplied operator s manual before operating unit Belt entanglement hazard keep body parts clear of this area Fan hazard keep body parts clear of this area Anchor tie down point Burn scald hazard pressurized steam Dangerous voltage may be present Engine starting remote starting point Engine can start automatically Hot surface s nearby ...

Page 11: ... Stamford Stamford Model UCI274E 311 UCI274G 311 Type Insulation Brushless H Brushless H See the data plate on the generator for rated watts amperes frequency voltage phase and other important information Generator Set Engine Generator 3Ø Continuous Natural Gas kW kVA 100 125 137 171 3Ø Standby LP Liquid kW kVA 108 135 139 173 Amps 3Ø Continuous Natural Gas 480V 277 A 150 206 Amps 3Ø Standby Natur...

Page 12: ...IASD The engine has been filled with factory engine oil of a grade recommended by the engine supplier The manufacturer recommends an initial oil and filter change after the first 50 hours or first three months of service operation Use a high quality detergent oil with an appropriate classification and viscosity for the engine type and ambient temperature conditions See Specifications for oil capac...

Page 13: ...el behind door TIRE AND LOADING INFORMATION RENSEIGNEMENTS SUR LES PNEUS ET LE CHARGEMENT SEE OWNER S MANUAL FOR ADDITIONAL INFORMATION VOIR LE MANUEL DE L USAGER POUR PLUS DE RENSEIGNEMENTS MANUFACTURED BY FABRIQUE PAR Generac Mobile Products LLC DATE 00 0000 GVWR PNBV 000KG 0000LBS COLD INF PRESS PRESS DE V I N N I V 00000000000000000 TYPE TRAILER MODEL XXX000 GAWR PNBE TIRE PNEU RIM JANTE GONF ...

Page 14: ...PONENT LOCATIONS Figure 3 MGG155 Left Side 1 Catalyst exhaust muffler 6 Dipstick 2 Air filter 7 Alternator 3 Battery disconnect switch 8 Coolant drain 4 Starter 9 Oil reservoir 5 12 volt batteries 2 02032 1 2 3 4 5 6 8 7 9 D i s c o u n t E q u i p m e n t c o m ...

Page 15: ...GG210 Left Side 1 Catalyst exhaust muffler 6 Dipstick 2 Air filter 7 Alternator 3 Battery disconnect switch 8 Engine heater optional 4 Starter motor 9 Coolant drain 5 12 volt batteries 2 10 Oil reservoir 02033 1 2 3 4 6 5 10 8 7 9 D i s c o u n t E q u i p m e n t c o m ...

Page 16: ...ection box 2 Silencer 9 Generator output connections 3 LP liquid inlet 10 Emergency stop switch 4 Natural gas well gas inlet 11 Main circuit breaker 5 Oil level controller 12 Control panel see Figure 7 6 Oil drain 13 Manual holder 7 Customer convenience receptacles 02034 2 1 3 4 5 6 7 10 8 9 12 11 13 D i s c o u n t E q u i p m e n t c o m ...

Page 17: ...nlet 3 Integrated electronic pressure regulator 11 Manual ball valve natural gas 4 Natural gas lock off 12 Strainer access 5 LP liquid lock off 13 Pressure gauge psi 6 Vaporizer 14 Pressure regulator 7 Pressure switch 15 Access for regulator adjustment 8 Pressure gauge inch WC 16 Fuel air mixer 00720 2 3 1 6 5 4 7 8 9 10 11 12 13 14 15 16 D i s c o u n t E q u i p m e n t c o m ...

Page 18: ...p switch not on all units 3 Panel light fuse 10A 8 Voltage adjustment 4 Controller fuse 5A 9 Panel lights switch 5 DC circuit breaker 10 Main circuit breaker 00578 3 2 1 4 5 6 2 EMERGENCY STOP EMERGENCY STOP VOLTAGE VOLTAGE ADJUST ADJUST OFF OFF ON ON PANEL PANEL LIGHTS LIGHTS PANEL LIGHT FUSE DC CIRCUIT BREAKER CONTROLLER FUSE 8 7 9 10 D i s c o u n t E q u i p m e n t c o m ...

Page 19: ...l select switch 5 Shunt trip relay 2 Terminal block 3 6 Fuel relay 3 Circuit breaker open relay 7 Starter relay 4 Circuit breaker closed relay 8 Relay protection fuse 5A FR SR STR 5A FUSE F3 TB2 1 X 2 WIREWAY TB1 iG AVRi TRANS LV iG AVRi CBCR CBOR TB3 NG LP AUTO FUEL SELECT SWITCH 1 2 3 5 4 6 7 8 02031 D i s c o u n t E q u i p m e n t c o m ...

Page 20: ... injury 000147 Fuel Connections Almost all operation problems are related to the installation techniques used DO NOT guess be sure pipe size is adequate for required flow rate See Table 1 Table 2 and Table 3 Natural Gas Connections Follow the steps below 1 Before connecting the natural gas fuel line to the unit apply pipe sealant to the NPT threads of the fitting at the end of the fuel line Note D...

Page 21: ... of the unit s frame 6 Be certain that all connections are sealed and no leaks are present The installer must verify that all gas connections comply with all building codes 7 Verify fuel supply pressure is adequate Formula Example If a unit has a 160 hp engine 60 feet from the supply the engine needs 10 000 BTU hr per hp to run efficiently For natural gas fuel there are 1015 BTU ft3 From Table 1 a...

Page 22: ...2 ft 32 590 m 149 776 ft 46 652 m 273 654 ft 83 410 m 446 678 ft 136 148 m 80 ft 24 m 963 ft 294 m 2 038 ft 621 m 3 880 ft 1 183 m 8 062 ft 2 457 m 12 161 ft 3 707 m 23 679 ft 7 217 m 38 034 ft 11 593 m 67 878 ft 20 689 m 100 017 ft 30 485 m 140 103 ft 42 703 m 255 980 ft 78 023 m 417 829 ft 127 354 m 90 ft 27 m 908 ft 277 m 1 922 ft 586 m 3 658 ft 1 115 m 7 601 ft 2 317 m 11 466 ft 3 495 m 22 324...

Page 23: ...hp engine 80 feet from the supply the engine needs 449 ft3 hr of LP vapor to run efficiently For liquid propane vapor fuel there is 2500 BUT ft3 From Table 2 an 80 foot run requires a minimum 1 4 inch pipe at full engine load 2500 ft3 hr x 449 ft3 hr 1 122 500 BTU ft3 449 ft3 hr 12 33 gallons per hour 36 39 Cubic feet of vapor at 60 F 16 C per gallon of liquid at 60 F 16 C D i s c o u n t E q u i ...

Page 24: ... 57 m 127 ft 39 m 735 ft 224 m 537 ft 164 m 100 gal hr 379 L hr 7 ft 2 m 4 ft 1 m 33 ft 10 m 21 ft 6 m 119 ft 36 m 81 ft 25 m 470 ft 143 m 343 ft 105 m 120 gal hr 454 L hr 23 ft 7 m 15 ft 5 m 83 ft 25 m 56 ft 17 m 326 ft 99 m 238 ft 73 m 140 gal hr 530 L hr 15 ft 5 m 9 ft 3 m 61 ft 19 m 41 ft 12 m 240 ft 73 m 175 ft 53 m 813 ft 248 m 618 ft 188 m 160 gal hr 606 L hr 13 ft 4 m 8 ft 2 m 47 ft 14 m 3...

Page 25: ...40 80 40 80 40 80 45 Screwed Elbow 1 2 ft 0 4 m 0 9 ft 0 3 m 1 3 ft 0 4 m 1 2 ft 0 4 m 1 7 ft 0 5 m 1 5 ft 0 5 m 2 0 ft 0 6 m 1 8 ft 0 5 m 2 6 ft 0 8 m 2 4 ft 0 7 m 3 0 ft 0 9 m 2 8 ft 0 9 m 3 8 ft 1 2 m 3 7 ft 1 1 m 90 Screwed Elbow 1 8 ft 0 5 m 1 6 ft 0 5 m 2 3 ft 0 7 m 2 1 ft 0 6 m 3 1 ft 0 9 2 9 ft 0 9 3 7 ft 1 1 m 3 4 ft 1 0 m 4 6 ft 1 4 m 4 4 ft 1 3 m 5 3 ft 1 6 m 5 1 ft 1 6 m 6 9 ft 2 1 m 6...

Page 26: ...let located on the right side of the frame As the liquid passes through the vaporizer heated engine coolant is passed through the vaporizer to provide the necessary heat for conversion of the fuel from a liquid to a gaseous state DANGER EXPLOSION AND FIRE FUEL AND VAPORS ARE EXTREMELY FLAMMABLE AND EXPLOSIVE ADD FUEL IN A WELL VENTILATED AREA KEEP FIRE AND SPARK AWAY FAILURE TO DO SO WILL RESULT I...

Page 27: ... unit is equipped with a digital controller with paralleling capabilities The paralleling feature allows the operator to synchronize multiple controllers and distribute the load between units Contact Generac Mobile Products Technical Support for more information about this feature Figure 10 Digital Controller Pushbuttons and LEDs 1 Horn Reset Deactivates the horn audible alarm 2 Mode Cycles backwa...

Page 28: ...point range view Alarm list from measurement screens 19 Select the setpoint select the screen select history record or increase setpoint value 20 Esc 21 Enter For more detailed controller information see the controller operator guide included with the unit Setting the Clock To set the clock on the digital controller press Esc then select Setpoints Date Time Time Press Enter Use the up and down arr...

Page 29: ...on all sides and top of enclosure Verify unit is a safe distance from any flammable or combustible material Verify no load is connected to unit Inspect the engine and genset and verify there are no loose wires or components Tighten if necessary Verify engine oil level is correct See Check Engine Fluids Verify engine coolant level is correct See Adding Coolant Verify the controller is in STOP mode ...

Page 30: ...ng plate may need to be removed See Figure 12 for bonding plate location A ground connection is located next to the lugs The generator neutral is bonded to ground when it is shipped from the factory The bonding plate may need to be removed if the generator is used as a standby power source INSTALLATION SHOULD BE IN COMPLIANCE WITH THE NATIONAL ELECTRICAL CODE NEC STATE AND LOCAL REGULATIONS Figure...

Page 31: ... fuel leaks If a fuel leak is detected stop the engine immediately by pressing STOP on the controller Repair any fuel leaks before proceeding Verify there are no coolant or oil leaks If a leak is detected stop the engine immediately and repair the leak before proceeding Verify that operation is smooth If belt squeals vibrations or other sources of noise exist stop the engine immediately and repair...

Page 32: ...n box The connection box is located behind the door on the right side of the unit See Figure 5 The lugs provide connection points for attachment of external loads to the generator DANGER RISK OF ELECTROCUTION BEFORE ANY CONNECTIONS ARE MADE TO THE GENERATOR VERIFY THE MAIN CIRCUIT BREAKER AND THE BATTERY DISCON NECT SWITCH ARE OFF O POTENTIALLY LETHAL VOLTAGES MAY BE PRESENT AT THE GENERATOR CONNE...

Page 33: ...bove it Figure 13 120V GFCI Receptacles Power to the receptacles is available any time the generator is running even if the main circuit breaker is OFF O VERIFY ANY EQUIPMENT CONNECTED TO THE CONVE NIENCE RECEPTACLES IS TURNED OFF BEFORE TURNING THE BREAKERS ON and the output voltage is correct for the equipment that is connected to the receptacles Improper voltage may cause equipment damage prope...

Page 34: ...before returning the switch to ON I Frame Ground Connection Follow all NEC state and local regulations pertaining to frame ground connections Figure 14 Frame Ground Connection Determine ground stud location and connect the ground wire to the earth ground terminal This ground is the local reference ground to ground the unit frame only Battery Disconnect Switch The unit is equipped with a battery di...

Page 35: ...vehicle Lock the hitch coupling and attach the safety chains or cables to the vehicle Raise the jack foot completely 2 Connect any trailer wiring to the tow vehicle Check for proper operation of the directional and brake lights 3 Make sure all doors are properly latched 4 Check for proper inflation of the trailer tires For maximum tire pressures see Specifications 5 Check the wheel lugs Tighten or...

Page 36: ...defects in materials or workmanship within the terms of the warranty It is strongly recommended the equipment be periodically checked by an Independent Authorized Service Dealer Daily Walk Around Inspection Look for conditions that could hinder performance or safety such as but not limited to oil coolant gas natural or LP leakage blocked vents loose or missing hardware and electrical connections C...

Page 37: ...dipstick is fully seated in the dipstick tube A visual inspection is required because some dipsticks will require more effort than others to fully seat 5 After ten seconds remove the dipstick and look at the oil level on both sides The lower of the two readings will be the correct oil level measurement 6 Add oil if necessary to adjust the level After adding or changing the oil the engine should ru...

Page 38: ...ol not at operating temperature not running before adding coolant Add a 50 50 mixture of the correct antifreeze and distilled or deionized water to the coolant system DANGER RISK OF POISONING DO NOT USE MOUTH TO SIPHON COOLANT DOING SO WILL RESULT IN DEATH OR SERIOUS INJURY 000149 WARNING DO NOT open coolant system until engine has completely cooled Doing so could result in serious injury 000154 C...

Page 39: ...ps at the inlet and outlet hoses on the regulator and remove the hoses 6 Remove the regulator mounting bolts 7 Place a small receptacle in the engine compartment under the regulator 8 Rotate the regulator 90 so the outlet fitting is pointing down into the receptacle and drain the regulator 9 Inspect the secondary chamber of the regulator for any large dried particles and remove 10 Rotate the regul...

Page 40: ...ation see the OEM engine manual Table 4 Basic Maintenance Schedule Item Daily First 50 Hours Break In Period Every 750 Hours 8000 Hours Annually Walk Around Inspection Check Oil Level Check Coolant Level Check Belts Check Electrical Wiring Inspect Radiator for Signs of Obstruction or Damage Inspect Gas Piping and Hoses for Leaks and Damage Sample Engine Oil Change Oil Replace Oil Filters Inspect R...

Page 41: ...n unit Failure to do so could result in death or serious injury 000130 WARNING Vision loss Eye protection is required to avoid spray from spark plug hole when cranking engine Failure to do so could result in vision loss 000181 WARNING Environmental hazard Always recycle batteries at an official recycling center in accordance with all local laws and regulations Failure to do so could result in envi...

Page 42: ...ltage and CCA cold crank amp capacity See Specifications or contact an Independent Authorized Service Dealer for proper battery sizing Note A new battery must be filled with the proper electrolyte and be fully charged before installing Preliminary Instructions 1 Turn battery disconnect switch to OFF 2 Remove all cables from the batteries starting with the negative ground cable first 3 Dispose of b...

Page 43: ...ons 1 Install the five amp controller fuse in the control panel 2 Turn the battery disconnect switch to ON 3 See Manually Starting the Unit Other Maintenance Checks The following inspections should be performed by a Independent Authorized Service Dealer or a properly trained authorized operator These maintenance items require a high level of experience and skill to evaluate and correct Inspect eng...

Page 44: ...pply a lightweight oil to the screw stem Figure 18 Lubrication Points TRAILER WHEEL BEARINGS The trailer axles are equipped with a grease fitting to allow lubrication of the wheel bearings without the need to disassemble the axle hub To lubricate the axle bearings remove the small rubber plug on the grease cap attach a standard grease gun fitting to the grease fitting and pump grease into the fitt...

Page 45: ...ler after an emergency stop Engine Starts But Will Not Run Smoothly Fuel or ignition problem See OEM engine manual Contact Generac Mobile Products Technical Support Engine Overheats Excessive load Debris or dirt buildup on engine radiator Remove one or more electrical loads Remove debris Clean engine surfaces to allow cooling No Output Voltage Circuit breaker tripped or failed Internal failure of ...

Page 46: ...el teeth nominal RPM and overspeed set point per centage Replace controller if failed Voltage Or Current Metering Is Incorrect Controller programmed values are wrong Ground is missing Voltage sensing wiring mistake Verify the controller programmed values are correct for the volt age sensing PT ratio and or current sensing CT ratio Verify that the battery supply DC negative conductor is properly gr...

Page 47: ...s option for additional support of one graphical language GCB Generator Circuit Breaker CHP Combined Heat Power co generation application usually with gas engine I AOUT8 Extension module with 8 AO I CB Communication Bridge interfaces IS IG IS NT ID controllers and non standard engine ECU IG AVRi IG Automatic Voltage Regulator interface IG EE InteliGen for Electronic Engines HW optimized for connec...

Page 48: ...ith heating foil MCB Main Circuit Breaker MGCB Master Generator Circuit Breaker sometimes used with multiple gensets in island parallel or mains parallel operation MINT Multiple application with INTernal control loops for multiple gensets in island parallel or mains parallel operation Load Sharing and VAr Sharing controlled internally PMS avail able MP Mains Protection MultlslOp Multiple Island Op...

Page 49: ... gen sets VT Voltage Transformer Setting of setpoints with this character in front of them is shared between controllers controllers via inter controller CAN2 Table 8 Digital Controller List of Alarms NT Alarm History Record Description ECU Indication of error in communication with ECU Check if the ECU is correctly connected to the CAN1 port of the controller see ComAp Electronic Engines Support m...

Page 50: ...l Left bus current asymmetry unbalance alarm is based on Gener protect BusL I unbal and BusL I unb del setpoints The current unbalance is calculated as a maximum differ ence between phase currents Mains V unbal Mains voltage unbalance alarm is based on Mains protect Mains V unbal and MainsV unb del setpoints The voltage unbalance is calculated as a maximum difference between phase voltages Mains I...

Page 51: ...cation Pickup fail means loss of RPM signal in running state engine run ning state is active Engine running conditions Engine speed Engine params Starting RPM or AI Oil press Starting POil or D terminal active this condition is used only if Engine params D function ENABLED or BI RunIndication 1 or 2 or 3 is active or Generator voltage 15V in any phase See Speed pick up input section in the Technic...

Page 52: ...n with syn chroscope where speed and voltage regulator s outputs slip frequency and generator and mains voltages can be observed during the synchronization process Stp Sync fail Synchronization failure indication alarm Sync timeout is active genset or group of gen sets was not synchronized to mains bus within Sync Load ctrl Sync timeout time Check setting of setpoints in the Sync Load ctrl and Vol...

Page 53: ...nder frequency pro tection is based on Gener protect Gen f and Gen f del setpoints BOC fgen over Generator frequency was over the Gen f limit for Gen f del time Over frequency protec tion is based on Gener protect Gen f and Gen f del setpoints BOC ReversePwr This alarm is issued by the reverse power protection This protection is based on Gener protect Reverse power and ReversePwr del setpoints Thi...

Page 54: ... the generator current Protection reaction time depends on overcurrent value High overcurrent means short reaction time whereas low overcurrent means longer reaction time Protection is based on setpoints Generator protect 2Inom del and Basic settings Nomin current MPR Imains IDMT Indicates current IDMT protection activation Current IDMT protection is inverse definite minimum time protection which ...

Page 55: ...me or check engine speed regulation Wrn SpdRegLim This alarm indicates that controller Speed governor output has reached its limit Warning is issued if Speed governor output stays close to one of the limit values for more than two seconds Close to one of the limits means that Speed governor output value is within SpeedGovLowLim 0 2V range or SpeedGovHiLim 0 2V range This alarm gives you informatio...

Page 56: ...iption of setpoints which are part of the Act calls SMS group and are used for active call setup PassInsertBlck The break through password function can be ENABLED DISABLED from the password management window in InteliMonitor initial status is DISABLED Warning PassInsertBlck appears in the alarm list when the controller is blocked The operator is not allowed to insert the password if the controller...

Page 57: ...2 O C3 C3 O L1 L2 L3 N SEE LINK BOARD CONNECTION ALL CONTROL WIRING IS 16AWG UNLESS OTHERWISE NOTED DASHED LINES INDICATE CUSTOMER CONNECTIONS TB1 N L1 L2 L3 L1K L1I L2K L2I L3K L3I IN CONTROL PANEL 3 O AWG 3 O AWG 3 O AWG 4 AWG 3 PHASE 4 WIRE L1 L3 L2 MAINLINE CIRCUIT BREAKER NEUTRAL GROUND BOND L1 L3 L2 N GND BUS BAR 3 O AWG 3 O AWG 3 O AWG 3 O AWG BREAKER REQUIRES A MINIMUM OF 3 O AWG 300 300 3...

Page 58: ...C1 C1 O C2 C2 O C3 C3 O L1 L2 L3 N SEE LINK BOARD CONNECTION ALL CONTROL WIRING IS 16AWG UNLESS OTHERWISE NOTED DASHED LINES INDICATE CUSTOMER CONNECTIONS TB1 N L1 L2 L3 L1K L1I L2K L2I L3K L3I IN CONTROL PANEL 4 O AWG 4 O AWG 4 O AWG 2 AWG 3 PHASE 4 WIRE L1 L3 L2 MAINLINE CIRCUIT BREAKER NEUTRAL GROUND BOND L1 L3 L2 N GND BUS BAR 4 O AWG 4 O AWG 4 O AWG 4 O AWG 300 300 301 300 303 CBOR 9 5 A2 CLO...

Page 59: ...Wiring Diagrams 35319 C MGG155 210 Operating Manual 55 AC WIRING MGG155 24V GCB D i s c o u n t E q u i p m e n t c o m ...

Page 60: ...Wiring Diagrams 56 MGG155 210 Operating Manual 35319 C AC WIRING MGG210 24V GCB D i s c o u n t E q u i p m e n t c o m ...

Page 61: ...OM OUT1 AC1 iG AVRI AVRI AVRI 213 212 211 210 211 210 211 210 L3 L1 TO AC WIRING 214 AVRI COM 215 AVRI OUT DONGLE IGS NT LSM PMS 211 210 213 212 CAN 2 218 216 217 218 216 217 216 218 217 218 216 217 218 216 217 218 216 217 218 216 217 TO CAN COMMUNICATION CONNECTION COM L H 216 218 217 AVRI AUX 90 BI5 CIRCUIT BREAKER AUX CONTACT SHOWN IN THE OPEN POSITION 4 1 12 90 90 18V TRANS iG AVRI 480V 0V 0V ...

Page 62: ...COM FPS 12F SM 2 O AWG 12 4 12E AC2 OCOM OUT1 AC1 iG AVRI AVRI AVRI 213 212 211 210 211 210 211 210 L3 L1 TO AC WIRING 214 AVRI COM 215 AVRI OUT DONGLE IGS NT LSM PMS 211 210 213 212 CAN 2 218 216 217 218 216 217 216 218 217 218 216 217 218 216 217 218 216 217 218 216 217 TO CAN COMMUNICATION CONNECTION COM L H 216 218 217 AVRI AUX 90 BI5 CIRCUIT BREAKER AUX CONTACT SHOWN IN THE OPEN POSITION 4 1 ...

Page 63: ... CONNECTED LP LP LOCK LOCKOFF PROPANE NG LOCK LOCKOFF NATURAL GAS STR SHUNT TRIP RELAY ST SHUNT TRIP PL PANEL LIGHT SWITCH L1 PANEL LIGHT 1 LEVEL SWITCH LCLS LOW COOLANT FPS FUEL PRESSURE SWITCH FSS FUEL SELECT SWITCH L2 PANEL LIGHT 2 SM STARTER MOTOR CLOSED RELAY CBCR CIRCUIT BREAKER OPEN RELAY CBOR CIRCUIT BREAKER Legend ALL WIRE IS 16 AWG UNLESS NOTED DASHED LINES INDICATE CUSTOMER CONNECTIONS ...

Page 64: ... CONNECTED LP LP LOCK LOCKOFF PROPANE NG LOCK LOCKOFF NATURAL GAS STR SHUNT TRIP RELAY ST SHUNT TRIP PL PANEL LIGHT SWITCH L1 PANEL LIGHT 1 LEVEL SWITCH LCLS LOW COOLANT FPS FUEL PRESSURE SWITCH FSS FUEL SELECT SWITCH L2 PANEL LIGHT 2 SM STARTER MOTOR CLOSED RELAY CBCR CIRCUIT BREAKER OPEN RELAY CBOR CIRCUIT BREAKER Legend ALL WIRE IS 16 AWG UNLESS NOTED DASHED LINES INDICATE CUSTOMER CONNECTIONS ...

Page 65: ...C 12 AWG L1C B1 B2 20A 20A B1 RECEPTACLE 20A BREAKER 1 B2 RECEPTACLE 20A BREAKER 2 R1 GFI RECEPTACLE 1 R2 GFI RECEPTACLE 2 N N 12 AWG 12 AWG L1B 12 AWG L1B 12 AWG L1B 12 AWG G G 12 AWG 90535_A_08 25 14 CAN IN CAN OUT FIRST GENERATOR MIDDLE GENERATORS LAST GENERATOR 120 OHM 120 OHM CAN IN CAN OUT CAN IN CAN OUT H L H COM L H COM L H COM L H COM L H L 216 218 217 216 218 217 216 218 217 216 218 217 ...

Page 66: ...________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ ______________________________________________________...

Page 67: ...www discount equipment com D i s c o u n t E q u i p m e n t c o m ...

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