Generac Power Systems MD1000GEM, MD1000 Overview
MD1000GEM
Cir
Brk
Contactor
Diesel Generator Diesel Generator
ContactorContactor
Circuit
Breaker
Circuit
Breaker
Diesel Generator
GEN GEN
Circuit
Breaker
GEN
UTILITY
ATS
UTILITY
ATS
ATS
UTILITY
Industrial Diesel Generator Set
PARALLELING UNIT
Standby Power Rating
1250kVA 1000KW 60 Hz
GEMINI
Generator
GEN
Junction
or Conn
Box
Circuit
Breaker
Contactor
GEN
GTS, MTS OR
2- WIRE ATS
Circuit
Breaker
Prime Power Rating*
1125kVA 900KW 60 Hz
Contactor
POWER
MANAGER
SYSTEM
CONTROLLER
*EPA Certified Prime ratings are not available in the U.S. or its Territories for engine model year 2011 and beyond
GTS, MTS OR
2- WIRE ATS
Contactor
GEN
GTS, MTS OR
2- WIRE ATS
GEMINI
Generator
Circuit
Breaker
Contactor
GEN
features benefits
Circuit
Breaker
EPA Certified Stationary Emergency
71 28 87
342164 35 56
P/N:055911
6
6
6
6
7
7
7
767
6
7
7
8
5
8
5
8
4
4
9
9
9
10
32
32
3245
111098
11
1110
1110
111098
111098
0C5139
0C5139
12
0C5137
0C5140
0D5318
0D5318
0C5137
12
121110981212
12
12
12345
1
13245
1
13245
1
SMALL GRAY
LARGE GRAY
LARGE GRAY
LARGE BLACK
LARGE BLACK
LARGE BROWN
1
1
9
235
235
7
7
8
4
6
4
6
ON
11
12
10
5
54 54
4
3
6
3
6
3
6
7
7
7
2
2
2
LO
LO
LO
HI
HI
E
E
E
300
60
800
62
200
400
1200
400
58
100
500
64
0
1600
56
LS-8 CLASS 0.5
LS-8 CLASS 1.5
LS-8 CLASS 1.5
277V
CT. 100:5A
65
55
600
0
0
V
A
Hz
.
.
.
G
G
G
C
C
C
I
I
I
N
N
N
E
E
E
N
N
N
S
S
S
M
M
M
E
E
E
E
E
E
A
A
A
R
R
R
O
O
O
S
S
S
P
P
P
C
C
C
Y
Y
Y
T
T
T
S
R
S
R
S
R
W
W
W
0E9157B
GENERATOR
GENERATOR
EMERGENCY
CONTROL
CONTROL
UNIT B
UNIT A
STOP
ALARM
AUTO OFF MAN.
AUTO OFF MAN.ALARM
ALARM
ALARM
NOT IN AUTO
NOT IN AUTO
Generator image used for illustration purposes only
HI
S1B
S1A A2AT1A1
S1B
S1A A2AT1A1
AT2
AT2
DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.
DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.
M
M
CLOSE
CLOSE
SET MANUAL HANDLE ON "M" AND
SET MANUAL HANDLE ON "M" AND
OPERATE IN THE DIRECTION
OPERATE IN THE DIRECTION
TRIP OPEN
TRIP OPEN
PUSH THE "TRIP" WITH A SCREWDRIVER
PUSH THE "TRIP" WITH A SCREWDRIVER
T
T
LOAD BREAK SWITCH
LOAD BREAK SWITCH
RATED CURRENT
RATED CURRENT
1000A
1000A
RATED VOLTAGE
RATED VOLTAGE
480 VAC UL
480 VAC UL
600 VAC CSA
600 VAC CSA
xxxxxx
xxxxxx
XXXXX
XXXXX
MANUAL
MANUAL
CLOSE
CLOSE
OFF
TRIP
TRIP
1000 kW Diesel
1 of 5
6
7
6
5
4
3
3245
111098
0C5140
12
12
1
SMALL GRAY
LARGE BROWN
9
8
ON
11
12
10
5
54 54
4
3
6
3
6
3
6
7
7
7
2
2
2
LO
LO
LO
HI
HI
HI
OFF
Generator Set
= CONFIGURED FOR PARALLELING 4 MODULAR PARALLELING SYSTEM
7128 87
34216435 56
P/N:055911
6
6
6
6
6
7
767
7
7
7
6
6
7
7
8
5
8
5
8
5
4
4
9
9
4
9
10
3
3245
3245
32
32
111098
11
111098
111098
111098
1110
1110
0C5139
0C5139
12
12
0C5137
0C5140
0D5318
0D5318
0C5137
0C5140
12
12111098
12
12
12
12
12
12345
13245
1
13245
1
1
1
SMALL GRAY
SMALL GRAY
LARGE GRAY
LARGE GRAY
LARGE BLACK
LARGE BLACK
LARGE BROWN
LARGE BROWN
1
1
9
9
235
235
7
7
8
8
4
6
4
6
ON
ON
11
11
12
12
10
10
5
54 54
5
54 54
4
4
3
3
3
6
3
6
6
3
6
6
3
6
7
7
7
7
7
7
2
2
2
2
2
2
LO
LO
LO
LO
LO
LO
HI
HI
HI
HI
HI
E
E
E
60
300
800
62
200
400
1200
400
58
100
500
64
0
1600
56
LS-8 CLASS 0.5
LS-8 CLASS 1.5
LS-8 CLASS 1.5
277V
CT. 100:5A
65
55
600
0
0
V
A
Hz
.
.
.
G
G
G
C
C
C
I
I
I
N
N
N
E
E
E
N
N
N
S
S
S
M
M
M
E
E
E
E
E
E
A
A
A
R
R
R
O
O
O
S
S
S
P
P
C
P
C
C
Y
Y
Y
T
T
T
S
R
S
R
S
R
W
W
W
GENERATOR
GENERATOR
EMERGENCY
CONTROL
CONTROL
UNIT A
UNIT B
STOP
ALARM
AUTO OFF MAN.
AUTO OFF MAN.ALARM
ALARM
ALARM
NOT IN AUTO
NOT IN AUTO
HI
0E9157B
S1B
S1AA2AT1A1
S1B
S1AA2AT1A1
AT2
AT2
DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.
DO NOT OPERATE WHILE THE SWITCH IS UNDER LOAD.
M
M
CLOSE
CLOSE
SET MANUAL HANDLE ON "M" AND
SET MANUAL HANDLE ON "M" AND
OPERATE IN THE DIRECTION
OPERATE IN THE DIRECTION
TRIP OPEN
TRIP OPEN
PUSH THE "TRIP" WITH A SCREWDRIVER
PUSH THE "TRIP" WITH A SCREWDRIVER
T
T
LOAD BREAK SWITCH
LOAD BREAK SWITCH
RATED CURRENT
RATED CURRENT
1000A
1000A
RATED VOLTAGE
RATED VOLTAGE
480 VAC UL
480 VAC UL
600 VAC CSA
600 VAC CSA
xxxxxx
xxxxxx
XXXXX
XXXXX
MANUAL
MANUAL
CLOSE
CLOSE
OFF
OFF
TRIP
TRIP
= 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
primary codes and standards
MD1000 application and engineering data
ENGINE SPECIFICATIONS
General Cooling System (each engine)
1000 kW Diesel
2 of 5
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
Connecting Rod Type I-Beam Section Fuel Inject Pump Make Delphi
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")
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
Aluminum w/ Cooling Cavity,
oil cooled
Fuel Filtering (microns) 10
Fuel Pump Type Engine Driven Gear
Fuel Return Line - mm (in.) 12.7 (½")
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)
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.
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