REVIEWED BLD2022-0769+SPECS+10.26.2022_3.07.08_PM+3187222RD048 I 3.4L I 48kW
INDUSTRIAL DIESEL GENERATOR SET
EPA Certified Stationary Emergency
Standby Power Rating
48 kW, 60 Hz
RESUB
Oct 26 2022
CITY OF EDMONDS
DEVELOPMENT SERVICES
DEPARTMENT
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REVIEWED
BY
CITY OF EDMONDS
BLD2022-0769
CODES AND STANDARDS
Not all codes and standards apply to all configurations.
Contact factory for details.
U@ UL2200, UL508, UL489, UL142
SA® CSA 022.2
DIN BS5514 and DIN 6271
SOE SAE J1349
INTERNATIONAL,
OO NFPA 37, 70, 99
NFPA
ISO 3046, 8528, 9001
NEMA ICS1, ICS10, MG1, 250, ICS6,
A61
ANSI ANSI/IEEE C62.41
American National Standards lnstinrte
GENERAC® INDUSTRIAL
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Model Number
48kW:G0071940
Image used for illustration purposes only
POWERING AHEAD
For over 50 years, Generac has led the industry with
innovative design and superior manufacturing. Generac
ensures superior quality by designing and manufacturing
most of its generator components, including alternators,
enclosures and base tanks, control systems and
communications software.
Generac's gensets utilize a wide variety of options,
configurations and arrangements, allowing us to meet
the standby power needs of practically every application.
Generac searched globally to ensure the most reliable
engines power our generators. We choose only engines that
have already been proven in heavy-duty industrial application
under adverse conditions.
Generac is committed to ensuring our customers' service
support continues after their generator purchase.
RD048 3.4L 48kW GENERAL® INDUSTRIAL
POWER
INDUSTRIAL DIESEL GENERATOR SET
EPA Certified Stationary Emergency
STANDARD FEATURES
ENGINE SYSTEM
• Block Heater
• Oil Drain Extension
• Fan Guard
• Factory Filled Oil & Coolant
GENERATOR SET
• Sound Attenuated Aluminum Enclosure
• Internal Genset Vibration Isolation
• Separation of Circuits - High/Low Voltage
• Wrapped Exhaust Piping
• Standard Factory Testing
• Ready to Accept Full Load in <10 Seconds
• External Emergency Stop Push Button
ENCLOSURE
• Lockable Doors- Keyed Lock with Padlock Hasp
• Rust Proof Hardware
• RhinoCoatTm Textured Polyester Powder Coat
CONTROL SYSTEM
Electrical System
• Battery
• Battery Charging Alternator
• Battery Cables
• Battery Tray
• Rubber -Booted Engine Electrical Connections
• Solenoid Activated Starter Motor
• Smart Battery Charger
• Battery Disconnect
ALTERNATOR SYSTEM
• 2/3 Pitch
• Skewed Stator
• Sealed Bearings
• Low Temperature Rise (<120°C)
• Low THD (<5%)
Evolution TM Controller
• Two -Line Plain Text LCD Display
• Programmable Start Delay Between 10-30 seconds
• 10 second Engine Start Sequence
• 5 second Engine Warm Up
• 1 minute Engine Cool -Down
• Starter Lock -Out
• Smart Battery Charger
• Automatic Voltage Regulation with Over and Under
Protection
• Automatic Low Oil Pressure Shutdown
• Overspeed Shutdown
• High Temperature Shutdown
• Overcrank Protection
• Safety Fused
• Failure to Transfer Protection
• Low Battery Protection
• 50 Event Run Log
• Future Set Capable Exerciser
• Incorrect Wiring Protection
• Internal Fault Protection
OPTIONAL SHIPPED LOOSE AND FIELD INSTALL KITS
GENERATOR SET
o Paint Kit
o Scheduled Maintenance Kit
FUEL TANK
o Fuel Fill Drop Tube
o Spill Box
0 90% Fuel Audible Alarm
o Tank Risers
o Spill Box Drainback Kit
o Vent Extension Support Kit
o Overfill Prevention Valve
Cooling System
• Closed Coolant Recovery System
• Factory -Installed Radiator
• 50/50 Ethylene Glycol Antifreeze
• Radiator Drain Extension
• Can Operate at up to 1220F (50°C) Ambient Tem-
perature
Fuel System
• Primary Fuel Filter
• Stainless Steel Fuel Lines
FUEL TANKS
• 48 Minimum Hour Run Time
• UL142 Listed
• Lockable Fuel Cap
• Common External Fault Capability
• Governor Failure Protection
• OBD2 Diagnostic Port
Alarms
• Door Open
• Fuel Level
90% Full
50% Low Fuel
10% Shutdown
• Generator Running
• Not in Auto
• Common Shutdown
RD048 I 3A I 48kW
INDUSTRIAL DIESEL GENERATOR SET
EPA Certified Stationary Emergency
APPLICATION AND ENGINEERING DATA
ENGINE SPECIFICATIONS
General
Make
Generac
Cylinder #
4
Type
In -Line
Displacement - in' (L)
207.48 (3.4)
Bore - in (mm)
3.86 (98)
Stroke - in (mm)
4.45 (113)
Compression Ratio
18.5:1
Intake Air Method
Turbocharged/Aftercooled
Cylinder Head
Cast Iron OHV
Piston Type
Engine Governing
Governor
Aluminum
Electronic
Frequency Regulation (Steady State) ±0.25%
GENE RAC® INDUSTRIAL
POWER
Cooling System
Cooling System Type
Pressurized Closed Recovery
Fan Type
Pusher
Fan Speed (rpm)
2,029
Fan Diameter - mm (in)
22 (559)
Fuel System
Fuel Type Ultra Low Sulfur Diesel Fuel
Fuel Specification ASTM
Fuel Pump Type Mechanical Engine Driven Gear
Injector Type Mechanical
Fuel Supply Line (mm/in) 7.94 (0.31) ID
Fuel Return Line (mm/in) 7.94 (0.31) ID
Fuel Filtering (microns) 10
Lubrication System
Engine Electrical System
Oil Pump Type Gear
System Voltage
Oil Filter Type Full Flow Spin -On Canister
Battery Charger Alternator
Crankcase Capacity - L (qts) 7.0 (7.4)
Battery Size
Battery Voltage
Ground Polarity
ALTERNATOR SPECIFICATIONS
Standard Model
Generac
Poles
4
Field Type
Rotating
Insulation Class - Rotor
F
Insulation Class - Stator
H
Total Harmonic Distortion
<5%
Telephone Interference Factor (TIF)
<50
12 VDC
Standard
Group 27F
12 VDC
Negative
Standard Excitation Direct
Bearings Sealed Ball
Coupling Flexible Disc
Prototype Short Circuit Test Yes
Voltage Regulator Type Full Digital
Regulation Accuracy (Steady State) ±1.0%
RD048 I 3A I 48kW
INDUSTRIAL DIESEL GENERATOR SET
EPA Certified Stationary Emergency
OPERATING DATA
POWER RATINGS
Standby
GENE RAC® INDUSTRIAL
POWER
Single -Phase 120/240 VAC @1.0pf 48 kW Amps: 200 Circuit Breaker Size Amps: 200
STARTING CAPABILITIES (sKVA)
FUEL CONSUMPTION RATES*
sKVA vs. Voltage Dip at 30%
120/240 V, Single -Phase at 0.4pf 189
Percent Load Diesel gal/hr (L/hr)
25% 1.35 (5.11)
50% 2.15 (8.14)
75% 3.06 (11.58)
100% 3.98 (15.07)
Fuel supply installation must accommodate fuel consumption rates at 100% load.
COOLING
Standby
Air Flow (Radiator and Alternator) cfm (ma/min) 2824 (80)
Coolant System Capacity gal (1) 2.8 (10.6)
Heat Rejection to Coolant BTU/hr (MJ/hr) 135,900 (143.4)
Temperature Deration 3% for every 5°C above 25°C or 1.7°% for every 5°F over 77°F
Altitude Deration 1 % for every 100 m above 915 or 3% for every 1000 ft over 3000 ft
Maximum Ambient Temperature Operating Range OF (°C) -20 -122 (-28 - 50)
Maximum Radiator Backpressure in H2O 0.5
COMBUSTION AIR REQUIREMENTS
Flow at Rated Power cfm (m3/min)
Standby
190 (5.38)
ENGINE EXHAUST
Standby Standby
Rated Engine Speed rpm 1800 Exhaust Flow (Rated Output) cfm (ma/min) 448 (12.7)
Exhaust Temp (Rated Output - Post Silencer) OF (°C) 1120 (604.4)
Deration — Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions.
Please consult a Generac Power Systems Dealer for additional details. All performance ratings in accordance with ISO3046, BS5514, IS08528 and DIN6271 standards.
RD048 I 3A I 48kW
INDUSTRIAL DIESEL GENERATOR SET
EPA Certified Stationary Emergency
DIMENSIONS AND WEIGHTS*
Weights and Dimensions
GENE RAC® INDUSTRIAL
POWER
Unit Weight - Ibs
Unit Weight with Skid - Ibs
Dimensions (L x W x H) - in
2,915
2,954
103.4 (2,625) x 35.0 (888) x 90.0 (2,286)
48kW Fuel Consumption
Fuel Tank Gross Total Capacity
240
Fuel Tank Gross Usable Capacity
229
Fuel Tank Net Usable Capacity
(Run Hours Based on Net Usable Capacity)
206
Run Hours 100% Load
52
Run Hours 75% Load
67
Run Hours 50% Load
Sound Emission Data
96
Rated Load Sound Output at 23ft - dB(A) 65
* All measurements are approximate and for estimation purposes only.
YOUR FACTORY RECOGNIZED GENERAC INDUSTRIAL DEALER
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.
Generac Power Systems, Inc. I P.O.Box 8 1 Waukesha, WI 53189 Part No 1000032700
P: (262) 544-4811 02018Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Rev. 3 08/30/18
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