Generac Power Systems MD1000GEM Installation guide

1 of 5
Standby Power Rating
1250kVA 1000KW 60 Hz
Prime Power Rating*
1125kVA 900KW 60 Hz
features benefits
primary codes and standards
1000 kW Diesel
Industrial Diesel Generator Set
EPA 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 4MODULAR PARALLELING SYSTEM
=UL2200 TESTED 4ENSURES A QUALITY PRODUCT
=RHINOCOAT PAINT SYSTEM 4IMPROVES RESISTANCE TO ELEMENTS
=ACOUSTIC ENCLOSURE STANDARD 4PROVIDES A SINGLE SOURCE SOLUTION
Engines
=EPA COMPLIANT 4ENVIRONMENTALLY FRIENDLY
=INDUSTRIAL TESTED, GENERAC APPROVED 4ENSURES INDUSTRIAL STANDARDS
=POWER-MATCHED OUTPUT 4ENGINEERED FOR PERFORMANCE
=INDUSTRIAL GRADE 4IMPROVES LONGEVITY AND RELIABILITY
Alternators
=TWO-THIRDS PITCH 4ELIMINATES HARMFUL 3RD HARMONIC
=LAYER WOUND ROTOR & STATOR 4IMPROVES COOLING
=CLASS H MATERIALS 4HEAT TOLERANT DESIGN
=DIGITAL 3-PHASE VOLTAGE CONTROL 4FAST AND ACCURATE RESPONSE
Controls
=INTEGRATED PARALLELING 4SINGLE CONTROL MODULE
=4-20mA VOLTAGE-TO-CURRENT SENSORS 4NOISE RESISTANT 24/7 MONITORING
=SURFACE-MOUNT TECHNOLOGY 4PROVIDES VIBRATION RESISTANCE
=ADVANCED DIAGNOSTICS & COMMUNICATIONS 4HARDENED RELIABILITY
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LOHI
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45
LO
3
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HI
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LO
3
2
54 54
HI
6
7
ON
2
3
LOHI
6
7
45
LO
3
2
HI
6
7
LO
3
2
54 54
HI
6
7
ON
TRIP
CLOSE
MANUAL
XXXXX
OFF
RATEDVOLTAGE
RATEDCURRENT
LOADBREAKSWITCH
xxxxxx
DONOTOPERATEWHILETHESWITCHISUNDERLOAD.
PUSHTHE"TRIP"WITHASCREWDRIVER
OPERATEINTHEDIRECTION
SETMANUALHANDLEON"M"AND
AT2
600VACCSA
480VACUL
1000A
M
T
S1B
TRIPOPEN
CLOSE
S1A A2AT1 A1
TRIP
CLOSE
MANUAL
XXXXX
OFF
RATEDVOLTAGE
RATEDCURRENT
LOADBREAKSWITCH
xxxxxx
DONOTOPERATEWHILETHESWITCHISUNDERLOAD.
PUSHTHE"TRIP"WITHASCREWDRIVER
OPERATEINTHEDIRECTION
SETMANUALHANDLEON"M"AND
AT2
600VACCSA
480VACUL
1000A
M
T
S1B
TRIPOPEN
CLOSE
S1A A2AT1 A1
Hz
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LS-8CLASS1.5
CT.100:5A
A
01600
1200
800
400
ALARM
NOTINAUTO
NOTINAUTO
GENERATOR
AUTOOFFMAN.ALARM
CONTROL UNITB
ALARM
EMERGENCY
STOP
UNITA
ALARM
CONTROL
GENERATOR
AUTOOFFMAN.
0E9157B
PARALLELING UNIT
MD1000GEM
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111098
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12345
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1110
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0D5318
111098
SMALLGRAY
LARGEGRAY
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13245
LARGEBROWN
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2 3 5
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P/N:055911
0D5318
12 12
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1
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1110
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0C5137
111098
3245
0C5139
LARGEBLACK
LARGEGRAY
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111098
0C5140
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LARGEBROWN
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LO HI
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45
LO
3
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HI
6
7
LO
3
2
54 54
HI
6
7
ON
2
3
LO HI
6
7
45
LO
3
2
HI
6
7
LO
3
2
54 54
HI
6
7
ON
TRIP
CLOSE
MANUAL
XXXXX
OFF
RATEDVOLTAGE
RATEDCURRENT
LOADBREAKSWITCH
xxxxxx
DONOTOPERATEWHILETHESWITCHIS UNDER LOAD.
PUSH THE "TRIP" WITH A SCREWDRIVER
OPERATEINTHEDIRECTION
SETMANUALHANDLEON"M"AND
AT2
600VACCSA
480VACUL
1000A
M
T
S1B
TRIPOPEN
CLOSE
S1A A2AT1 A1
TRIP
CLOSE
MANUAL
XXXXX
OFF
RATEDVOLTAGE
RATEDCURRENT
LOADBREAKSWITCH
xxxxxx
DONOTOPERATEWHILETHESWITCHIS UNDER LOAD.
PUSH THE "TRIP" WITH A SCREWDRIVER
OPERATEINTHEDIRECTION
SETMANUALHANDLEON"M"AND
AT2
600VACCSA
480VACUL
1000A
M
T
S1B
TRIPOPEN
CLOSE
S1A A2AT1 A1
Hz
S
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LS-8CLASS1.5
CT.100:5A
A
01600
1200
800
400
ALARM
NOTINAUTO
NOTINAUTO
GENERATOR
AUTOOFFMAN.ALARM
CONTROL UNITB
ALARM
EMERGENCY
STOP
UNITA
ALARM
CONTROL
GENERATOR
AUTOOFFMAN.
0E9157B
GEN
Cir
Brk
GEMINI
Generator
GEN
Contactor
Diesel Generator Diesel Generator
ContactorContactor
Circuit
Breaker
Circuit
Breaker
Diesel Generator
GEN GEN
Circuit
Breaker
GEN
UTILITY
ATS
UTILITY
ATS AT S
UTILITY
GEN GEN
GEMINI
Generator
Circuit
Breaker
Contactor
Circuit
Breaker
Contactor
Circuit
Breaker
Contactor
Circuit
Breaker
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 Conn
Box

ENGINE SPECIFICATIONS
General Cooling System (each engine)
Make Generac Cooling System Type Closed Recovery
EPA Emissions Compliance Stationary Emergency Water Pump Prelubed, Self Sealing
EPA Emissions Reference See Emissions Data Sheet Fan Type Pusher
Cylinder # (2) 6 Fan Speed (rpm) 1872
Type In - Line Fan Diameter mm (in.) 889 (35)
Displacement - L (cu. in.) 16.12 (983.7) Coolant Heater Standard Wattage 2x2000W
Bore - mm (in.) 144 (5.67) Coolant Heater Standard Voltage 240VAC
Stroke - 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 Fuel
Cylinder Head Type One Piece Cast Iron Fuel Specifications ASTM
Piston Type Aluminum w/ Cooling Cavity,
oil cooled Fuel Filtering (microns) 10
Connecting Rod Type I-Beam Section Fuel Inject Pump Make Delphi
Fuel Pump Type Engine Driven Gear
Engine Governing Injector Type Multi-hole, Nozzle Type
Governor Electronic Isochronous Engine Type Direct Injection
Frequency Regulation (Steady State) ± 0.25% Fuel Supply Line - mm (in.) 12.7 (½")
Fuel Return Line - mm (in.) 12.7 (½")
Lubrication System
Oil Pump Type Gear Engine Electrical System (each engine)
Oil Filter Type Full - Flow Cartridge System Voltage 24 VDC
Crankcase Capacity - L (gal) 48 (12.7) Battery Charging Alternator 80 Amps
Battery Size (at 0ºC) 1155
Battery Group 8D
Battery Voltage (2) - 12 VDC
Ground Polarity Negative
ALTERNATOR SPECIFICATIONS
Standard Model Generac WEG Voltage Regulator Type Digital
Poles 4 Number of Sensed Phases All
Field Type Revolving Regulation Accuracy (Steady State) ± 0.25%
Insulation Class - Rotor H Paralleling Controls Standard
Insulation Class - Stator H
Total Harmonic Distortion < 3%
Telephone Interference Factor (TIF) < 50
Standard Excitation Self-Ventilated, Drip-Proof
Bearings Single Sealed Cartridge
Coupling Direct, Flexible Disc
Load Capacity - Standby 100%
Prototype Short Circuit Test Yes
CODES AND STANDARDS COMPLIANCE (WHERE APPLICABLE) PARALLELING CONTROLS
NFPA 99 BS5514 AUTO-SYNCHRONIZATION PROCESS
NFPA 110 SAE J1349 ISOCHRONOUS LOAD SHARING
ISO 8528-5 DIN6271 REVERSE POWER PROTECTION
ISO 1708A.5 IEEE C62.41 TESTING MAXIMUM POWER PROTECTION
ISO 3046 NEMA ICS 1 ELECTRICALLY OPERATED, MECHANICALLY HELD PARALLELING SWITCH
UL2200 SYNC CHECK SYSTEM
INDEPENDENT ON-BOARD PARALLELING
OPTIONAL PROGRAMMABLE LOGIC FULL AUTO BACK-UP CONTROL (PLS)
2 of 5
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 kW Diesel

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 kW Diesel
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
4 of 5
MD1000 standard features and options
1000 kW Diesel

LEVEL 1 ACOUSTIC ENCLOSURE
RUN TIME HOURS USABLE CAPACITY (GAL) L W H WT dBA*
NO TANK - 258 96 131 21000
80
14 853 258 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.
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0C5137
111098
3245
0C5139
LARGEBLACK
LARGEGRAY
7
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6
12
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111098
0C5140
11
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8 5
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LARGEBROWN
SMALLGRAY
7
7
6
6
34
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6 4 35 56
7 1 28 87
2
3
LO HI
6
7
45
LO
3
2
HI
6
7
LO
3
2
5
45 4
HI
6
7
ON
2
3
LO HI
6
7
45
LO
3
2
HI
6
7
LO
3
2
5
45 4
HI
6
7
ON
TRIP
CLOSE
MANUAL
XXXXX
OFF
RATEDVOLTAGE
RATEDCURRENT
LOADBREAKSWITCH
xxxxxx
DONOTOPERATEWHILETHESWITCH IS UNDER LOAD.
PUSHTHE"TRIP"WITH A SCREWDRIVER
OPERATEINTHEDIRECTION
SETMANUALHANDLEON"M"AND
AT2
600VACCSA
480VACUL
1000A
M
T
S1B
TRIPOPEN
CLOSE
S1A A2AT1 A1
TRIP
CLOSE
MANUAL
XXXXX
OFF
RATEDVOLTAGE
RATEDCURRENT
LOADBREAKSWITCH
xxxxxx
DONOTOPERATEWHILETHESWITCH IS UNDER LOAD.
PUSHTHE"TRIP"WITH A SCREWDRIVER
OPERATEINTHEDIRECTION
SETMANUALHANDLEON"M"AND
AT2
600VACCSA
480VACUL
1000A
M
T
S1B
TRIPOPEN
CLOSE
S1A A2AT1 A1
Hz
S
E
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G
E
N
E
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A
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P
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T
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Y
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LS-8CLASS0.5
0
277V
56
55 65
64
E
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S
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S
T
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M
S
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G
E
N
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P
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600
500
100
LS-8CLASS1.5
V
0
58
60
62
400
200
300
S
W
G
E
N
E
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A
C
P
O
E
R
S
Y
S
T
E
M
I
N
C
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LS-8CLASS1.5
CT.100:5A
A
01600
1200
800
400
ALARM
NOTINAUTO
NOTINAUTO
GENERATOR
AUTOOFFMAN.ALARM
CONTROL UNITB
ALARM
EMERGENCY
STOP
UNITA
ALARM
CONTROL
GENERATOR
AUTOOFFMAN.
0E9157B
AIR INLETS
SIDE OF UNIT AIR OUT
TOP OF
UNIT
AIR OUT
TOP OF
UNIT
LW
H
5 of 5
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 Diesel