MULTIQUIP Power WHISPERWATT DCA400SSI Configuration guide

DCA400SSI
WhisperWatt
TM
Generator
Standard Features
■ Heavy duty, turbocharged, direct injection, air to air
intercooled diesel engine provides maximum reliability.
■ Brushless alternator reduces service and maintenance
requirements and meets temperature rise standards for
Class F insulation systems.
■ Open delta alternator design provides virtually unlimited
excitation for maximum motor starting capability.
■ Automatic voltage regulator (AVR) provides precise
regulation.
■ Electronic governor system maintains frequency to
±0.25%.
■ Full load acceptance of standby nameplate rating in one
step (NFPA 110, para 5-13.2.6).
■ Sound attenuated, weather resistant, steel housing
provides operation at 74 dB(A) at 23 feet. Fully lockable
enclosure allows safe unattended operation.
■ Internal fuel tank with direct reading fuel gauges are
standard.
■ Fuel / water separator removes condensation from fuel for
extended engine life.
■ E-Coat primer with polyurethane enamel finish coat.
■ Simultaneous single and three phase power.
■ EPA emissions certified. - Tier 3 emissons compliant.
WhisperWattTM 400
Prime Rating: 320 kW (400 kVA)
Standby Rating: 352 kW (440 kVA)
60 Hertz
■ Complete engine analog instrumentation includes DC
ammeter, oil pressure gauge, water temp. gauge, fuel level
gauge, tachometer/hour meter, preheat indicator, manual
engine speed control, emergency shutdown monitors, and
emergency stop button.
■ Complete generator analog instrumentation includes
voltage regulator control, ammeter phase selector switch,
voltmeter phase selector switch, AC voltmeter, AC ammeter,
frequency meter, panel light, and circuit breaker.
■ Automatic safety shutdown system monitors the water
temperature, engine oil pressure, overspeed, and overcrank.
Warning lights indicate abnormal conditions.
■ Low coolant level shutdown system provides protection
from critically low coolant levels. Includes control panel
warning light.
■ Auto start/stop control allows generator to start
automatically in the event of a commercial power failure.
■ Complete power panel. Fully covered; three-phase
terminals and single phase receptacles allow fast and
convenient hookup for most applications including temporary
power boxes, tools and lighting equipment. All are NEMA
standard.
■ Emergency stop switch.
■ Battery switch.
■ Voltage change over board allows easy to change voltages
as your applications require. 240/480 Buss Bar.
DCA400SSI Rev 2

DCA400SSI
WhisperWatt
TM
Generator
Specifications
Warranty*
Isuzu Engine
12 months from date of purchase with unlimited hours or 24 months
from date of purchase with 2000 hours (whichever comes first).
Generator
24 months from date of purchase or 2000 hours (whichever occurs
first).
Trailer
12 months excluding normal wear items.
*Refer to the express written, one-year limited warranty sheet for additional
information.
Engine Specifications
Make / Model Isuzu / 6WG1X
Emissions EPA Tier 3 Certified
Starting System Electric
Design 4-cycle, water cooled, direct Injection,
turbocharged, air to air Intercooled
Displacement 15681 cc
No. Cylinders 6
Bore x Stroke (mm) 147 x 154
Gross Engine Power Output 532 hp (402.7 kWm)
BMEP 236 psi (1970 kPa)
Piston Speed 1819 ft/min (9.24 m/s)
Compression Ratio 16.0 : 1
Engine Speed 1800 rpm
Overspeed Limit 2040 rpm
Oil Capacity Gallons (liters) 14.4 gal. (55 L)
Battery 12V 190Ah x 2 (24V System)
Fuel System
Recommended Fuel ASTM-D975-No.1 & No. 2-D
Maximum Fuel Flow (per hour) 98.8 gal (374 L)
Maximum Inlet Restriction (Hg) 8.86 in. (225 mm)
Fuel Tank Capacity 129 gallons (490 L)
Fuel Consumption gph lph
At full load
At 3/4 load
At 1/2 load
At 1/4 load
23.4
18.5
13.3
8.2
89.0
70.2
50.6
31.2
Cooling System
Fan Load 21.5 hp (16kW)
Coolant Capacity (with radiator) 15.85 gallons (60 liters)
Coolant Flow Rate (per minute) 111 gal (420 L)
Heat Rejection to Coolant (per minute) 11850 Btu (12.5 MJ)
Heat Rejection from Engine (per minute) 3034 Btu (3.2 MJ)
Maximum Coolant Friction Head 20.3 psi (140 kPa)
Maximum Coolant Static Head 29.5 ft (9.0 m)
Ambient Temperature Rating 104°F (40°C)
Air
Combustion Air 957 cfm (27.1 m3/min)
Maximum Air Cleaner Restriction 30 in. H2O (7.5 kPa)
Alternator Cooling Air 2797 cfm (79.0 m3/min)
Radiator Cooling Air 12360 cfm (350 m3/min)
Exhaust System
Gas Flow (full load) 2306 cfm (65.3 m3/min)
Gas Temperature 959°F (515°C)
Maximum Back Pressure 53.2 in H2O (13.3 kPa)
Amperage
Rated Voltage Maximum Amps
1Ø 120 Volt 888.9 Amps (4 wire)
1Ø 240 Volt 444.4 Amps (4 wire)
3Ø 240 Volt 962.3 Amps
3Ø 480 Volt 481.1 Amps
Main Line Circuit Breaker Rating 1000 Amps
Over Current Relay Trip Set Point 480 Amps
Generator is not intended for use in enclosed areas or where free flow of air is restricted.
Backfeed to a utility system can cause electrocution and/or property damage. Do not
connect to any building’s electrical system except through an approved device.
Specifications are subject to change without notice.
DCA400SSI Rev 2
Generator Specifications
Design Revolving field, Self-ventilated
Drip-proof, Single bearing
No. of Poles 4-pole
Excitation Brushless with AVR
Standby Output 352 KW (440 kVA)
Prime Output 320 KW (400 kVA)
Generator RPM 1800
Voltage — 3Ø 208, 220, 240, 415, 440, 480V Reconnectable
Voltage — 1Ø 120, 127, 139, 240, 254, 277V Adjustable
Armature Connection Star with neutral
Voltage Regulation
(No load to full load) ±0.5%
Power Factor 0.8
Frequency 60 Hz
Frequency Regulation:
No Load to Full Load
Isochronous under varying loads from
no load to 100% rated load
Frequency Regulation:
Steady State
±0.25% of mean value for constant loads
from no load to full load
Insulation Class F
Sound Level dB(A)
Full load at 23 feet 74

DCA400SSI
WhisperWatt
TM
Generator
Optional Generator Features
❑ Battery charger — provides fully automatic and self-
adjusting charging to the generator's battery system.
❑ Jacket water heater — for easy starting in cold
weather climates.
❑ Special batteries — long life batteries provide extra
engine cranking power.
❑ Spring Isolaters — provides extra vibration
protection for standby applications.
❑ Trailer mounted package — highway legal trailer
with electronic or surge brakes with single, double, or
triple axle configuration. Extra capacity fuel tanks are
also available.
Optional Fuel Cell Features
❑ Trailer fuel tank — a second fuel cell located in the
trailer allows for extended run time.
❑ Subbase fuel cells (double wall) — Additional fuel
cell for extended runtime operation. Contains a leak
sensor, low fuel level switch, and a secondary
containment tank. UL142 listed.
❑ 12 hours of minimum run time.
❑ 24 hours of minimum run time.
Optional Output Connections
❑ Cam-Loks — provides quick disconnect alternative
to bolt-on connectors.
❑ Pin and Sleeve Connectors — provides industry
standard connectors for all voltage requirements.
❑ Output cable — available in any custom length and
size configuration.
Generator Output Panels
DCA400SSI Rev 2

DCA400SSI
WhisperWatt
TM
Generator
Dimensions
Your MQ Power dealer is:
© COPYRIGHT 2008, MQ POWER
Rev 2 (10-08) DCA400SSI
Manufactured by Denyo Co.
MQ POWER
POST OFFICE BOX 6254
CARSON, CA 90749
310-537-3700 • 800-883-2551
FAX: [phone]
E-MAIL: [email protected]
WWW: mqpower.com
Weight
Dry Weight 11642 lbs. (5280 kg)
Wet Weight 12877 lbs. (5840 kg)
Max. Lifting Point
Capacity 16500 lbs. (7484 kg)