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DCA-70USI50 Hz — INSTALLATION, Typical Generator Grounding Application
Models:
DCA-70USI
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Troubleshooting
Specs
Install
Parts list
DCA-70USI50 Hz —TRAILERWIRING DIAGRAM
Warranty
Dimension
Maintenance
Connecting Loads
Symptom
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Image 16
DCA-70USI
(50 Hz) — INSTALLATION
Figure 4.Typical Generator Grounding Application
PAGE 16 —
DCA-70USI
(50 Hz) — OPERATION AND PARTS MANUAL — REV. #1 (04/22/05)
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Image 16
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Contents
PARTS LIST NO. M2900000314
OPERATION AND PARTS MANUAL
MODEL DCA-70USI
ULTRA-SILENTTM SERIES
Page
HERES HOW TO GET HELP
NUMBER ON-HAND WHEN CALLING
SERVICE DEPARTMENT
WARRANTYDEPARTMENT
TABLE OF CONTENTS
MQ POWER DCA-70USI50HZ ULTRA-SILENTGENERATOR
Specification and part
ISUZU FF- 4BG1T ENGINE
PARTS ORDERING PROCEDURES
When ordering parts
please supply the following information
Extra Discounts
DCA-70USI50 Hz — SPECIFICATIONS
Table 1. Generator Specifications
Table 2. Engine Specifications
1500 rpm
DCA-70USI50 Hz — DIMENSIONS TOP, SIDE AND FRONT
Figure 1. Dimensions
TABLE 3. DIMENSIONS
Dimension ft. mm
DCA- 70USI 50 Hz — SAFETY MESSAGE ALERT SYMBOLS
HAZARD SYMBOLS
SAFETY MESSAGE ALERT SYMBOLS
Ultra Silent Generator
DCA- 70USI 50 Hz — SAFETY MESSAGE ALERT SYMBOLS
WARNING - ROTATING PARTS
CAUTION - ACCIDENTAL STARTING
CAUTION - OVER-SPEEDCONDITIONS
DCA-70USI50 Hz — RULES FOR SAFE OPERATION
General Safety
DANGER - READTHIS MANUAL
Electrical Safety
DCA-70USI50 Hz — RULES FOR SAFE OPERATION
Generator Grounding
DANGER - ELECTROCUTION HAZARDS
Maintenance Safety
Battery Safety
DANGER - EXPLOSION HAZARDS
DCA-70USI50 Hz — RULES FOR SAFE OPERATION
Emergencies
Towing &Transporting Safety
DCA-70USI50 Hz — RULES FOR SAFE OPERATION
DCA-70USI50 Hz — GENERATOR DECALS
Figure 2. Generator Decals
DCA-70USI50 Hz — GENERATOR DECALS
Figure 3. Generator Decals Cont inued
DCA-70USI50 Hz — INSTALLATION
Figure 4.Typical Generator Grounding Application
DCA-70USI50 Hz — INSTALLATION
Outdoor Installation
Indoor Installation
CAUTION - EXHAUST HAZARD
DCA-70USI50 Hz — GENERAL INFORMATION
Generator
Engine Operating Panel
Generator Control Panel
DCA-70USI50 Hz — MAJOR COMPONENTS
Table 4. Generator Major Components
Figure 5. Major Components
1Muffler Assembly 2 Engine Assembly
NOTE PAGE
DCA-70USI50 Hz — GENERATOR CONTROL PANEL
Figure 6. Generator Control Panel
DCA-70USI50 Hz — ENGINE OPERATING PANEL
Figure 7. Engine Operating Panel
DCA-70USI50 Hz — ENGINE OPERATING PANEL
11.Auto On/Off Engine Controller MPEC –
Figure 8. Output Terminal Panel
Output Terminal Familiarization
Output Terminal Panel
100VAC GFCI Receptacles
Figure 9. G.F.C.I. Receptacle
Figure 11. Voltage Regulator Control Knob
Figure 10. 100/100V Twist-Lock
Connecting Loads
Figure 13. Connecting Loads Over Current Relay
Blower Fan
Figure 15. Blower Fan Fuse
Single Phase Load
Table 5. Power Factor By Load
Three Phase Load
DCA-70USI50 Hz — LOAD APPLICATION
Voltage Selector Switch
Figure 16. Voltage Selector Switch
Voltage Selector Switch Locking Button
DCA-70USI50 Hz — GENERATOR OUTPUTS
How to Read the OutputTerminal Gauges
Figure 17. Voltage Selector Switch
139VThree Phase Position
DCA-70USI50 Hz — GAUGE READING
Three-PhasePosition
Figure 25. Voltage Selector Switch 240/139V
UVWO Terminal Output Voltages
3Ø 220/127 Output Terminal Lug Voltages
Figure 27. Voltage Selector Switch 480/277V
3Ø 440/254 Output Terminal Lug Voltages
1Ø 200V/100V Output Terminal Lug Voltages
Figure 28. Output Terminal Lugs
DCA-70USI50 Hz — PRE-SETUP
Circuit Breakers
Lubrication Oil
Fuel Check
DCA-70USI50 Hz — PRE-SETUP
Refueling Procedure
WARNING - RESPIRATORY HAZARDS
Figure 34. Fueling the Generator
Cleaning the Radiator
Air Cleaner
Table 10. Coolant Capacity
Fan Belt Tension
Battery
Battery Cable Installation
Figure 38. Battery Connections
CAUTION - BATTERY SERVICING SAFETY
Figure 41. Voltage Selector Switch
Figure 44. MPEC Control Switch Manual Position
Before Starting
CAUTION - LETHAL EXHAUST HAZARD
Figure 48.Voltage Adjust Control Knob
Figure 51. Coolant Temperature Gauge
Figure 45. Engine Running LED ON
Figure 46. Frequency Meter Hz
Starting Auto Mode
CAUTION - BACKUP GENERATOR USE
Shutdown Procedure
WARNING - AUTO MODE MAINTENANCE
DCA-70USI50 Hz — MAINTENANCE
TABLE 12. INSPECTION/MAINTENANCE
Air Cleaner with Dust Indicator
Service Daily
Cleaning the Fuel Strainer
Air Removal
Check Oil Level
Replacing Oil Filter
DCA-70USI50 Hz —TRAILERMAINTENANCE
Trailer Maintenance
DCA-70USI50 Hz —TRAILERMAINTENANCE
Brake Adjustment
Brakes
Hydraulic Surge Brakes
Tires/Wheels/Lug Nuts
CAUTION - EYESIGHT HAZARD
TireWear/Inflation
Suspension
DCA-70USI50 Hz —TRAILERMAINTENANCE
Lug Nut Torque Requirements
Figure 59. Wheel Lug Nuts Tightening Sequence
Table 16. Tire Torque Requirements
DCA-70USI50 Hz —TRAILERWIRING DIAGRAM
Figure 60. Trailer/Towing Vehicle Wiring Diagram
DCA-70USI50 Hz — GENERATORWIRING DIAGRAM
Figure 61. Generator Wiring Diagram
DCA-70USI50 Hz — ENGINEWIRING DIAGRAM
Figure 62. Engine Wiring Diagram
DCA-70USI50 Hz —TROUBLESHOOTINGGENERATOR
TABLE 17. GENERATOR TROUBLESHOOTING
Check output voltage using a voltmeter
Is wiring connection loose?
DCA-70USI50 Hz —TROUBLESHOOTINGENGINE CONTROLLER
TABLE 18. ENGINE CONTROLLER TROUBLESHOOTING MPEC
SYMPTOM
POSSIBLE PROBLEM
EXPLANATION OF CODE IN REMARKS COLUMN
Items Found In the “Remarks” Column
Items Found In the “Items Number” Column
notice
DCA-70USI50 Hz WHISPERWATTGENRATOR
DCA-70USI50 Hz — SUGGESTED SPARE PARTS
W/ISUZU FF4BG1T DIESEL ENGINE 1TO 3 UNITS
DCA-70USI50 HZ — GENERATOR ASSY
GENERATOR ASSY
DCA-70USI50 Hz — GENERATOR ASSY
PART NO
PART NAME
REMARKS
DCA-70USI50 Hz — CONTROL BOX ASSY
CONTROL BOX ASSY
DCA-70USI50 Hz — CONTROL BOX ASSY
PART NO
PART NAME
REMARKS
DCA-70USI50 Hz — CONTROL BOX ASSY. CONT
DCA-70USI50 Hz — CONTROL BOX ASSY. CONT
CONTROL BOX ASSY
PART NO
PART NAME
DCA-70USI50 Hz — ENGINE AND RADIATOR ASSY
ENGINE AND RADIATOR ASSY
DCA-70USI50 Hz — ENGINE AND RADIATOR ASSY
ENGINE AND RADIATOR ASSY
PART NO
PART NAME
DCA-70USI50 Hz — ENGINE AND RADIATOR ASSY. CONT
DCA-70USI50 Hz — ENGINE AND RADIATOR ASSY. CONT
ENGINE AND RADIATOR ASSY
PART NO
PART NAME
DCA-70USI50 Hz — OUTPUTTERMINAL ASSY
OUTPUT TERMINAL ASSY
DCA-70USI50 Hz — OUTPUTTERMINAL ASSY
PART NO
PART NAME
REMARKS
DCA-70USI50 Hz — BATTERY ASSY
BATTERY ASSY
DCA-70USI50 Hz — BATTERY ASSY
BATTERY ASSY
PART NO
PART NAME
DCA-70USI50 Hz — MUFFLER ASSY
MUFFLER ASSY
DCA-70USI50 Hz — MUFFLER ASSY
MUFFLER ASSY
PART NO
PART NAME
DCA-70USI50 Hz — FUEL TANK ASSY
FUEL TANK ASSY
DCA-70USI50 Hz — FUEL TANK ASSY
FUEL TANK ASSY
PART NO
PART NAME
DCA-70USI50 Hz — ENCLOSURE #1 ASSY
ENCLOSURE #1 ASSY
DCA-70USI50 Hz — ENCLOSURE #1 ASSY
ENCLOSURE #1 ASSY
PART NO
PART NAME
DCA-70USI50 Hz — ENCLOSURE #1 ASSY. CONT
DCA-70USI50 Hz — ENCLOSURE #1 ASSY. CONT
PART NO
PART NAME
0010120050
DCA-70USI50 Hz — ENCLOSURE #2 ASSY
ENCLOSURE #2 ASSY
DCA-70USI50 Hz — ENCLOSURE #2 ASSY
ENCLOSURE #2 ASSY
PART NO
PART NAME
DCA-70USI50 Hz — RUBBER SEALS ASSY
RUBBER SEALS ASSY
DCA-70USI50 Hz — RUBBER SEALS ASSY
RUBBER SEALS ASSY
PART NO
PART NAME
DCA-70USI50 Hz — NAME PLATE AND DECALS ASSY
NAMEPLATE AND DECALS ASSY
DCA-70USI50 Hz — NAME PLATE AND DECALS ASSY
NAMEPLATE AND DECALS ASSY
PART NO
PART NAME
TERMS AND CONDITIONS OF SALE — PARTS
SPECIAL EXPEDITING SERVICE
2.ToobtainaReturnMaterialAuthorization
Effective:October 1,
NOTE PAGE
HERES HOW TO GET HELP
NUMBER ON-HAND WHEN CALLING
SERVICE DEPARTMENT
WARRANTYDEPARTMENT