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Standby Power Rating1250kVA 1000KW 60 Hz

Prime Power Rating*1125kVA 900KW 60 Hz

features benefits

primary codes and standards

1000

kW

Die

sel

Industrial Diesel Generator SetEPA Certified Stationary Emergency

Generator image used for illustration purposes only

*EPA Certified Prime ratings are not available in the U.S. or its Territories for engine model year 2011 and beyond

Generator Set

= CONFIGURED FOR PARALLELING 4 MODULAR PARALLELING SYSTEM

= UL2200 TESTED 4 ENSURES A QUALITY PRODUCT

= RHINOCOAT PAINT SYSTEM 4 IMPROVES RESISTANCE TO ELEMENTS

= ACOUSTIC ENCLOSURE STANDARD 4 PROVIDES A SINGLE SOURCE SOLUTION

Engines

= EPA COMPLIANT 4 ENVIRONMENTALLY FRIENDLY

= INDUSTRIAL TESTED, GENERAC APPROVED 4 ENSURES INDUSTRIAL STANDARDS

= POWER-MATCHED OUTPUT 4 ENGINEERED FOR PERFORMANCE

= INDUSTRIAL GRADE 4 IMPROVES LONGEVITY AND RELIABILITY

Alternators

= TWO-THIRDS PITCH 4 ELIMINATES HARMFUL 3RD HARMONIC

= LAYER WOUND ROTOR & STATOR 4 IMPROVES COOLING

= CLASS H MATERIALS 4 HEAT TOLERANT DESIGN

= DIGITAL 3-PHASE VOLTAGE CONTROL 4 FAST AND ACCURATE RESPONSE

Controls

= INTEGRATED PARALLELING 4 SINGLE CONTROL MODULE

= 4-20mA VOLTAGE-TO-CURRENT SENSORS 4 NOISE RESISTANT 24/7 MONITORING

= SURFACE-MOUNT TECHNOLOGY 4 PROVIDES VIBRATION RESISTANCE

= ADVANCED DIAGNOSTICS & COMMUNICATIONS 4 HARDENED RELIABILITY

1 42 3 5 6 7 98 10 1211

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ON

23LO HI

67

4 5

LO

32 HI

67 LO

32

54 54

HI

67

ON

TRIP

CLOSE MANUAL

XXXXX

OFF

RATED VOLTAGE

RATED CURRENTLOAD BREAK SWITCH

xxxxxx

DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.

PUSH THE "TRIP" WITH A SCREWDRIVEROPERATE IN THE DIRECTIONSET MANUAL HANDLE ON "M" AND

AT2

600 VAC CSA480 VAC UL

1000A

M

T

S1B

TRIP OPENCLOSE

S1A A2AT1 A1

TRIP

CLOSE MANUAL

XXXXX

OFF

RATED VOLTAGE

RATED CURRENTLOAD BREAK SWITCH

xxxxxx

DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.

PUSH THE "TRIP" WITH A SCREWDRIVEROPERATE IN THE DIRECTIONSET MANUAL HANDLE ON "M" AND

AT2

600 VAC CSA480 VAC UL

1000A

M

T

S1B

TRIP OPENCLOSE

S1A A2AT1 A1

HzS

E

RGENERACPOW TEMSINC.YS

LS-8 CLASS 0.5

0

277V56

55 65

64

E

RSYSTEMSINC.GENERACPOW

600

500100

LS-8 CLASS 1.5

V0

58

6062400200

300

SWGENERACPO

E

RSYSTEMINC.

LS-8 CLASS 1.5CT. 100:5A

A

0 1600

1200

800

400

ALARM

NOT IN AUTONOT IN AUTO

GENERATOR

AUTO OFF MAN.ALARMCONTROL UNIT B

ALARM

EMERGENCYSTOPUNIT A

ALARMCONTROL

GENERATOR

AUTO OFF MAN.

0E9157B

PA R A L L E L I N G U N I T

MD1000GEM

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23

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32

HI

67

LO

32

54 54

HI

67

ON

TRIP

CLOSE MANUAL

XXXXX

OFF

RATED VOLTAGE

RATED CURRENTLOAD BREAK SWITCH

xxxxxx

DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.

PUSH THE "TRIP" WITH A SCREWDRIVEROPERATE IN THE DIRECTIONSET MANUAL HANDLE ON "M" AND

AT2

600 VAC CSA480 VAC UL

1000A

M

T

S1B

TRIP OPENCLOSE

S1A A2AT1 A1

TRIP

CLOSE MANUAL

XXXXX

OFF

RATED VOLTAGE

RATED CURRENTLOAD BREAK SWITCH

xxxxxx

DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.

PUSH THE "TRIP" WITH A SCREWDRIVEROPERATE IN THE DIRECTIONSET MANUAL HANDLE ON "M" AND

AT2

600 VAC CSA480 VAC UL

1000A

M

T

S1B

TRIP OPENCLOSE

S1A A2AT1 A1

HzS

E

RGENERACPOW TEMSINC.YS

LS-8 CLASS 0.5

0

277V56

55 65

64

E

RSYSTEMSINC.GENERACPOW

600

500100

LS-8 CLASS 1.5

V0

58

6062400200

300

SWGENERACPO

E

RSYSTEMINC.

LS-8 CLASS 1.5CT. 100:5A

A

0 1600

1200

800

400

ALARM

NOT IN AUTONOT IN AUTO

GENERATOR

AUTO OFF MAN.ALARMCONTROL UNIT B

ALARM

EMERGENCYSTOPUNIT A

ALARMCONTROL

GENERATOR

AUTO OFF MAN.

0E9157B

GEN

Cir Brk

GEMINI Generator

GEN

Contactor

Diesel Generator Diesel Generator

ContactorContactor

CircuitBreaker

CircuitBreaker

Diesel Generator

GEN GEN

CircuitBreaker

GEN

UTILITY

ATS

UTILITY

ATS ATS

UTILITY

GEN GEN

GEMINIGenerator

CircuitBreaker

Contactor

CircuitBreaker

Contactor

CircuitBreaker

Contactor

CircuitBreaker

Contactor

POWER MANAGER SYSTEM CONTROLLER

GTS, MTS OR 2- WIRE ATS

GTS, MTS OR 2- WIRE ATS

GTS, MTS OR 2- WIRE ATS

Junction or ConnBox

ENGINE SPECIFICATIONS

General Cooling System (each engine)

Make Generac Cooling System Type Closed RecoveryEPA Emissions Compliance Stationary Emergency Water Pump Prelubed, Self SealingEPA Emissions Reference See Emissions Data Sheet Fan Type PusherCylinder # (2) 6 Fan Speed (rpm) 1872Type In - Line Fan Diameter mm (in.) 889 (35)Displacement - L (cu. in.) 16.12 (983.7) Coolant Heater Standard Wattage 2x2000WBore - mm (in.) 144 (5.67) Coolant Heater Standard Voltage 240VACStroke - mm (in.) 165 (6.5)Compression Ratio 16.5:1 Fuel System (each engine)

Intake Air Method Turbocharged/Aftercooled Fuel Type Ultra Low Sulfur Diesel FuelCylinder Head Type One Piece Cast Iron Fuel Specifications ASTM

Piston TypeAluminum w/ Cooling Cavity,

oil cooledFuel Filtering (microns) 10

Connecting Rod Type I-Beam Section Fuel Inject Pump Make DelphiFuel Pump Type Engine Driven Gear

Engine Governing Injector Type Multi-hole, Nozzle TypeGovernor Electronic Isochronous Engine Type Direct InjectionFrequency Regulation (Steady State) ± 0.25% Fuel Supply Line - mm (in.) 12.7 (½")

Fuel Return Line - mm (in.) 12.7 (½")Lubrication SystemOil Pump Type Gear Engine Electrical System (each engine)

Oil Filter Type Full - Flow Cartridge System Voltage 24 VDCCrankcase Capacity - L (gal) 48 (12.7) Battery Charging Alternator 80 Amps

Battery Size (at 0ºC) 1155Battery Group 8DBattery Voltage (2) - 12 VDCGround Polarity Negative

ALTERNATOR SPECIFICATIONS

Standard Model Generac WEG Voltage Regulator Type DigitalPoles 4 Number of Sensed Phases AllField Type Revolving Regulation Accuracy (Steady State) ± 0.25%Insulation Class - Rotor H Paralleling Controls StandardInsulation Class - Stator HTotal Harmonic Distortion < 3%Telephone Interference Factor (TIF) < 50Standard Excitation Self-Ventilated, Drip-ProofBearings Single Sealed CartridgeCoupling Direct, Flexible DiscLoad Capacity - Standby 100%Prototype Short Circuit Test Yes

CODES AND STANDARDS COMPLIANCE (WHERE APPLICABLE) PARALLELING CONTROLS

NFPA 99 BS5514 AUTO-SYNCHRONIZATION PROCESSNFPA 110 SAE J1349 ISOCHRONOUS LOAD SHARINGISO 8528-5 DIN6271 REVERSE POWER PROTECTIONISO 1708A.5 IEEE C62.41 TESTING MAXIMUM POWER PROTECTIONISO 3046 NEMA ICS 1 ELECTRICALLY OPERATED, MECHANICALLY HELD PARALLELING SWITCH

UL2200 SYNC CHECK SYSTEMINDEPENDENT ON-BOARD PARALLELINGOPTIONAL PROGRAMMABLE LOGIC FULL AUTO BACK-UP CONTROL (PLS)

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Rating Definitions:Standby – Applicable for a varying emergency load for the duration of a utility power outage with no overload capability. (Max. load factor = 70%) Prime – Applicable for supplying power to a varying load in lieu of utility for an unlimited amount of running time. (Max. load factor = 80%) A 10% overload capacity is available for 1 out of every 12 hours.

MD1000 application and engineering data

1000

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POWER RATINGS (kW)

STARTING CAPABILITIES (sKVA)

FUEL

COOLING

COMBUSTION AIR REQUIREMENTS

ENGINE EXHAUST

STANDBY PRIME

Three-Phase 277/480VAC @0.8pf 1000 kW Amps: 1505 900 kW Amps: 1355

Three-Phase 346/600VAC @0.8pf 1000 kW Amps: 1204 900 kW Amps: 1084

sKVA vs. Voltage Dip

480VAC

Alternator kW 10% 15% 20% 25% 30% 35%

Standard (2) 500 914 1371 1829 2286 2743 3200

Upsize 1 - - - - - - -

Fuel Consumption Rates* (includes two engines)

STANDBY PRIME

Fuel Pump Lift - mm (in) Percent Load gph lph Percent Load gph lph

1000 (40) 25% 17.4 65.8 25% 15.4 56.6

50% 30.6 115.8 50% 26.8 101.4

75% 45.4 171.8 75% 39.8 150.6

100% 62.6 237.0 100% 56.2 212.8

* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.

STANDBY PRIME

Coolant Capacities - Gal (L) Coolant Flow per Minute gpm (lpm) (2) x 122 (462) (2) x 122 (462)

System (2) x 15.9 (60.2) Heat Rejection to Coolant BTU/hr (2) x 1,153,968 (2) x 1,035,991

Engine (2) x 8.78 (33) Inlet Air cfm (m3/min) (2) x 23,308 (660) (2) x 23,308 (660)

Radiator (2) x 7.1 (26.9) Max. Operating Radiator Air Temp Fº (Cº) 122 (50) 122 (50)

Max. Operating Ambient Temperature Fº (Cº) 104 (40) 104 (40)

Maximum Radiator Backpressure in H2O 1.5 1.5

STANDBY PRIME

Flow at Rated Power cfm (m3/min) (2) x 1617 (45.8) (2) x 1554 (44.0)

STANDBY PRIME

Rated Engine Speed rpm 1800 1800

Horsepower at Rated kW** hp 757 681

Piston Speed ft/min 1950 1950

BMEP psi 339 302** Refer to “Emissions Data Sheet” for maximum bHP for EPA and SCAQMD permitting purposes.

STANDBY PRIME

Exhaust Flow (Rated Output) cfm (m3/min)(2) x 3899

(110.4)(2) x 3553

(100.6)

Max. Backpressure (Post Silencer) inHg (Kpa) 1.5 (5.1) 1.5 (5.1)

Exhaust Temp (Rated Output) ºF (ºC) 893 (479) 817 (436)

Exhaust Outlet Size (Open Set) (2) x 8" Diameter Exhaust Stack

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MD1000 operating data (60Hz)

1000

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Die

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Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. Please consult a Generac Power Systems Industrial Dealer for additional details. All performance ratings in accordance with ISO3046, BS5514, ISO8528 and DIN6271 standards.

GENERATOR SET

� Genset Vibration Isolation Std� IBC Seismic Certified/Seismic Rated Vibration Isolators Opt� Extended warranty Opt� Gen-Link Communications Software Opt� Steel Enclosure Std� Aluminum Enclosure Opt� Enclosure Lighting Kits Opt

ENGINE SYSTEM

General� Oil Drain Extensions Std� Oil Make-Up Systems Opt� Oil Heaters Opt� Air cleaners Std� Fan guards Std� Radiator duct adapters Std� Critical Exhaust Silencers Std

Fuel System

� Fuel lockoff solenoids Std

� Secondary fuel filters Std� Stainless steel flexible exhaust connections Std� Primary fuel filters Opt� Single Wall Tank (Export Only) -� UL 142 Fuel Tank Opt

Cooling System� 208VAC Coolant Heaters Opt� 240VAC Coolant Heaters Std� Other Coolant Heaters -� Closed Coolant Recovery Systems Std� UV/Ozone resistant hoses Std� Factory-Installed Radiators Std� Radiator Drain Extensions Std

Engine Electrical System� Battery charging alternators Std� Battery cables Std� Battery trays Opt� Battery boxs Opt� Battery heaters Opt� Solenoid activated starter motors Std� 10A UL float/equalize battery chargers Opt� Rubber-booted engine electrical connections Std

ALTERNATOR SYSTEM

� UL2200 GENprotect™ Std� Main Line Circuit Breakers (Output connections on paralleling switch) Std� Anti-Condensation Heaters Opt� Tropical coating Std� Permanent Magnet Excitation Std

CONTROL SYSTEM

Control Panel� Digital H Control Panel - Dual 4x20 Display na� Digital G-100 Control Panel - Touchscreen na� Digital G-200 Paralleling Control Panel - Touchscreen Std� Programmable Crank Limiter Std� 21-Light Remote Annunciator Opt� Remote Relay Panel (8 or 16) Opt� 7-Day Programmable Exerciser Std� Special Applications Programmable PLC Std� RS-232 Std� RS-485 Std� All-Phase Sensing DVR Std� Full System Status Std� Utility Monitoring (Req. H-Transfer Switch) Std� 2-Wire Start Compatible Std� Power Output (kW) Std� Power Factor Std� Reactive Power Std� All phase AC Voltage Std� All phase Currents Std� Oil Pressure Std� Coolant Temperature Std� Coolant Level Std� Oil Temperature Opt� Fuel Pressure Std� Engine Speed Std� Battery Voltage Std� Frequency Std� Date/Time Fault History (Event Log) Std� Low-Speed Exercise - � Isochronous Governor Control Std� -40deg C - 70deg C Operation Std� Waterproof Plug-In Connectors Std� Audible Alarms and Shutdowns Std� Not in Auto (Flashing Light) Std� Auto/Off/Manual Switch Std� E-Stop (Red Mushroom-Type) Std� Remote E-Stop (Break Glass-Type, Surface Mount) Opt� Remote E-Stop (Red Mushroom-Type, Surface Mount) Opt� Remote E-Stop (Red Mushroom-Type, Flush Mount) Opt� NFPA 110 Level I and II (Programmable) Std� Remote Communication - RS232 Std� Remote Communication - Modem Opt� Remote Communication - Ethernet Opt� PLS Full Auto Back-Up for PM-SC Opt

Alarms (Programmable Tolerances, Pre-Alarms and Shutdowns)

� Low Fuel Opt� Oil Pressure (Pre-programmed Low Pressure Shutdown) Std� Coolant Temperature (Pre-programmed High Temp Shutdown) Std� Coolant Level (Pre-programmed Low Level Shutdown) Std� Oil Temperature Std� Engine Speed (Pre-programmed Overspeed Shutdown) Std� Voltage (Pre-programmed Overvoltage Shutdown) Std� Battery Voltage Std

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MD1000 standard features and options

1000

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Die

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LEVEL 1 ACOUSTIC ENCLOSURE

RUN TIME HOURS USABLE CAPACITY (GAL) L W H WT dBA*

NO TANK - 258 96 131 21000

8014 853 258 96 151 25130

25 1578 258 96 160 25630

37 2310 258 96 170 26370

Tank Options

� MDEQ OPT

� Florida DERM/DEP OPT

� Chicago Fire Code OPT

� IFC Certification CALL

� ULC CALL

Other Custom Options Available from your Generac Industrial Power Dealer

* All measurements are approximate and for estimation purposes only. Weights are without fuel in tank. Sound levels measured at 23ft (7m) and does not account for ambient site conditions.

1 42 3 5 6 7 98 10 1211

0C51

39

0C51

37

12 13

24

5

1110

98

LARG

E BL

AC

K67

1211

109

8

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1 42 3 5 6 7 98 10 1211

P/N:055911

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LO

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54 54

HI

67

ON

23

LO HI

67

4 5

LO

32

HI

67

LO

32

54 54

HI

67

ON

TRIP

CLOSE MANUAL

XXXXX

OFF

RATED VOLTAGE

RATED CURRENTLOAD BREAK SWITCH

xxxxxx

DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.

PUSH THE "TRIP" WITH A SCREWDRIVEROPERATE IN THE DIRECTIONSET MANUAL HANDLE ON "M" AND

AT2

600 VAC CSA480 VAC UL

1000A

M

T

S1B

TRIP OPENCLOSE

S1A A2AT1 A1

TRIP

CLOSE MANUAL

XXXXX

OFF

RATED VOLTAGE

RATED CURRENTLOAD BREAK SWITCH

xxxxxx

DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.

PUSH THE "TRIP" WITH A SCREWDRIVEROPERATE IN THE DIRECTIONSET MANUAL HANDLE ON "M" AND

AT2

600 VAC CSA480 VAC UL

1000A

M

T

S1B

TRIP OPENCLOSE

S1A A2AT1 A1

HzS

E

RGENERAC POW TEMSINC.YS

LS-8 CLASS 0.5

0

277V56

55 65

64

E

RSYSTEMSINC.GENERAC POW

600

500100

LS-8 CLASS 1.5

V0

58

6062400200

300

SWGENERAC PO

E

RSYSTEMINC.

LS-8 CLASS 1.5CT. 100:5A

A

0 1600

1200

800

400

ALARM

NOT IN AUTONOT IN AUTO

GENERATOR

AUTO OFF MAN.ALARMCONTROL UNIT B

ALARM

EMERGENCYSTOPUNIT A

ALARMCONTROL

GENERATOR

AUTO OFF MAN.

0E9157B

AIR INLETSSIDE OF UNIT AIR OUT

TOP OFUNIT

AIR OUTTOP OFUNIT

L W

H

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MD1000 dimensions, weights and sound levels

YOUR FACTORY RECOGNIZED GENERAC INDUSTRIAL DEALER

Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com©2012 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Bulletin 0173810SBY-D / Printed in U.S.A. 02/28/12

Specification characteristics may change without notice. Dimensions and weights are for preliminary purposes only. Please consult a Generac Power Systems Industrial Dealer for detailed installation drawings.

1000

kW

Die

sel