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operation manual DCA-70USI50 Hz — GENERATOR DECALS, Generator Decals Cont inued
Models:
DCA-70USI
1
15
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Troubleshooting
Specification
Install
Parts list
DCA-70USI50 Hz —TRAILERWIRING DIAGRAM
Warranty
Dimension
Maintenance
Connecting Loads
Symptom
Page 15
Image 15
DCA-70USI
(50 Hz) — GENERATOR DECALS
Figure 3. Generator Decals (Cont inued)
DCA-70USI
(50 Hz) — OPERATION AND PARTS MANUAL — REV. #1 (04/22/05) — PAGE 15
Page 14
Page 16
Page 15
Image 15
Page 14
Page 16
Contents
ULTRA-SILENTTM SERIES
PARTS LIST NO. M2900000314
OPERATION AND PARTS MANUAL
MODEL DCA-70USI
Page
WARRANTYDEPARTMENT
HERES HOW TO GET HELP
NUMBER ON-HAND WHEN CALLING
SERVICE DEPARTMENT
ISUZU FF- 4BG1T ENGINE
TABLE OF CONTENTS
MQ POWER DCA-70USI50HZ ULTRA-SILENTGENERATOR
Specification and part
Extra Discounts
PARTS ORDERING PROCEDURES
When ordering parts
please supply the following information
1500 rpm
DCA-70USI50 Hz — SPECIFICATIONS
Table 1. Generator Specifications
Table 2. Engine Specifications
Dimension ft. mm
DCA-70USI50 Hz — DIMENSIONS TOP, SIDE AND FRONT
Figure 1. Dimensions
TABLE 3. DIMENSIONS
Ultra Silent Generator
DCA- 70USI 50 Hz — SAFETY MESSAGE ALERT SYMBOLS
HAZARD SYMBOLS
SAFETY MESSAGE ALERT SYMBOLS
CAUTION - OVER-SPEEDCONDITIONS
DCA- 70USI 50 Hz — SAFETY MESSAGE ALERT SYMBOLS
WARNING - ROTATING PARTS
CAUTION - ACCIDENTAL STARTING
General Safety
DCA-70USI50 Hz — RULES FOR SAFE OPERATION
DANGER - READTHIS MANUAL
DANGER - ELECTROCUTION HAZARDS
Electrical Safety
DCA-70USI50 Hz — RULES FOR SAFE OPERATION
Generator Grounding
DCA-70USI50 Hz — RULES FOR SAFE OPERATION
Maintenance Safety
Battery Safety
DANGER - EXPLOSION HAZARDS
Towing &Transporting Safety
Emergencies
DCA-70USI50 Hz — RULES FOR SAFE OPERATION
Figure 2. Generator Decals
DCA-70USI50 Hz — GENERATOR DECALS
Figure 3. Generator Decals Cont inued
DCA-70USI50 Hz — GENERATOR DECALS
Figure 4.Typical Generator Grounding Application
DCA-70USI50 Hz — INSTALLATION
CAUTION - EXHAUST HAZARD
DCA-70USI50 Hz — INSTALLATION
Outdoor Installation
Indoor Installation
Generator Control Panel
DCA-70USI50 Hz — GENERAL INFORMATION
Generator
Engine Operating Panel
1Muffler Assembly 2 Engine Assembly
DCA-70USI50 Hz — MAJOR COMPONENTS
Table 4. Generator Major Components
Figure 5. Major Components
NOTE PAGE
Figure 6. Generator Control Panel
DCA-70USI50 Hz — GENERATOR CONTROL PANEL
Figure 7. Engine Operating Panel
DCA-70USI50 Hz — ENGINE OPERATING PANEL
11.Auto On/Off Engine Controller MPEC –
DCA-70USI50 Hz — ENGINE OPERATING PANEL
Output Terminal Familiarization
Figure 8. Output Terminal Panel
Output Terminal Panel
Figure 10. 100/100V Twist-Lock
100VAC GFCI Receptacles
Figure 9. G.F.C.I. Receptacle
Figure 11. Voltage Regulator Control Knob
Figure 15. Blower Fan Fuse
Connecting Loads
Figure 13. Connecting Loads Over Current Relay
Blower Fan
DCA-70USI50 Hz — LOAD APPLICATION
Single Phase Load
Table 5. Power Factor By Load
Three Phase Load
DCA-70USI50 Hz — GENERATOR OUTPUTS
Voltage Selector Switch
Figure 16. Voltage Selector Switch
Voltage Selector Switch Locking Button
DCA-70USI50 Hz — GAUGE READING
How to Read the OutputTerminal Gauges
Figure 17. Voltage Selector Switch
139VThree Phase Position
3Ø 220/127 Output Terminal Lug Voltages
Three-PhasePosition
Figure 25. Voltage Selector Switch 240/139V
UVWO Terminal Output Voltages
Figure 28. Output Terminal Lugs
Figure 27. Voltage Selector Switch 480/277V
3Ø 440/254 Output Terminal Lug Voltages
1Ø 200V/100V Output Terminal Lug Voltages
Fuel Check
DCA-70USI50 Hz — PRE-SETUP
Circuit Breakers
Lubrication Oil
Figure 34. Fueling the Generator
DCA-70USI50 Hz — PRE-SETUP
Refueling Procedure
WARNING - RESPIRATORY HAZARDS
Fan Belt Tension
Cleaning the Radiator
Air Cleaner
Table 10. Coolant Capacity
CAUTION - BATTERY SERVICING SAFETY
Battery
Battery Cable Installation
Figure 38. Battery Connections
CAUTION - LETHAL EXHAUST HAZARD
Figure 41. Voltage Selector Switch
Figure 44. MPEC Control Switch Manual Position
Before Starting
Figure 46. Frequency Meter Hz
Figure 48.Voltage Adjust Control Knob
Figure 51. Coolant Temperature Gauge
Figure 45. Engine Running LED ON
WARNING - AUTO MODE MAINTENANCE
Starting Auto Mode
CAUTION - BACKUP GENERATOR USE
Shutdown Procedure
Service Daily
DCA-70USI50 Hz — MAINTENANCE
TABLE 12. INSPECTION/MAINTENANCE
Air Cleaner with Dust Indicator
Replacing Oil Filter
Cleaning the Fuel Strainer
Air Removal
Check Oil Level
Trailer Maintenance
DCA-70USI50 Hz —TRAILERMAINTENANCE
Hydraulic Surge Brakes
DCA-70USI50 Hz —TRAILERMAINTENANCE
Brake Adjustment
Brakes
Suspension
Tires/Wheels/Lug Nuts
CAUTION - EYESIGHT HAZARD
TireWear/Inflation
Table 16. Tire Torque Requirements
DCA-70USI50 Hz —TRAILERMAINTENANCE
Lug Nut Torque Requirements
Figure 59. Wheel Lug Nuts Tightening Sequence
Figure 60. Trailer/Towing Vehicle Wiring Diagram
DCA-70USI50 Hz —TRAILERWIRING DIAGRAM
Figure 61. Generator Wiring Diagram
DCA-70USI50 Hz — GENERATORWIRING DIAGRAM
Figure 62. Engine Wiring Diagram
DCA-70USI50 Hz — ENGINEWIRING DIAGRAM
Is wiring connection loose?
DCA-70USI50 Hz —TROUBLESHOOTINGGENERATOR
TABLE 17. GENERATOR TROUBLESHOOTING
Check output voltage using a voltmeter
POSSIBLE PROBLEM
DCA-70USI50 Hz —TROUBLESHOOTINGENGINE CONTROLLER
TABLE 18. ENGINE CONTROLLER TROUBLESHOOTING MPEC
SYMPTOM
notice
EXPLANATION OF CODE IN REMARKS COLUMN
Items Found In the “Remarks” Column
Items Found In the “Items Number” Column
DCA-70USI50 Hz — SUGGESTED SPARE PARTS
DCA-70USI50 Hz WHISPERWATTGENRATOR
W/ISUZU FF4BG1T DIESEL ENGINE 1TO 3 UNITS
GENERATOR ASSY
DCA-70USI50 HZ — GENERATOR ASSY
REMARKS
DCA-70USI50 Hz — GENERATOR ASSY
PART NO
PART NAME
CONTROL BOX ASSY
DCA-70USI50 Hz — CONTROL BOX ASSY
REMARKS
DCA-70USI50 Hz — CONTROL BOX ASSY
PART NO
PART NAME
DCA-70USI50 Hz — CONTROL BOX ASSY. CONT
PART NAME
DCA-70USI50 Hz — CONTROL BOX ASSY. CONT
CONTROL BOX ASSY
PART NO
ENGINE AND RADIATOR ASSY
DCA-70USI50 Hz — ENGINE AND RADIATOR ASSY
PART NAME
DCA-70USI50 Hz — ENGINE AND RADIATOR ASSY
ENGINE AND RADIATOR ASSY
PART NO
DCA-70USI50 Hz — ENGINE AND RADIATOR ASSY. CONT
PART NAME
DCA-70USI50 Hz — ENGINE AND RADIATOR ASSY. CONT
ENGINE AND RADIATOR ASSY
PART NO
OUTPUT TERMINAL ASSY
DCA-70USI50 Hz — OUTPUTTERMINAL ASSY
REMARKS
DCA-70USI50 Hz — OUTPUTTERMINAL ASSY
PART NO
PART NAME
BATTERY ASSY
DCA-70USI50 Hz — BATTERY ASSY
PART NAME
DCA-70USI50 Hz — BATTERY ASSY
BATTERY ASSY
PART NO
MUFFLER ASSY
DCA-70USI50 Hz — MUFFLER ASSY
PART NAME
DCA-70USI50 Hz — MUFFLER ASSY
MUFFLER ASSY
PART NO
FUEL TANK ASSY
DCA-70USI50 Hz — FUEL TANK ASSY
PART NAME
DCA-70USI50 Hz — FUEL TANK ASSY
FUEL TANK ASSY
PART NO
ENCLOSURE #1 ASSY
DCA-70USI50 Hz — ENCLOSURE #1 ASSY
PART NAME
DCA-70USI50 Hz — ENCLOSURE #1 ASSY
ENCLOSURE #1 ASSY
PART NO
DCA-70USI50 Hz — ENCLOSURE #1 ASSY. CONT
0010120050
DCA-70USI50 Hz — ENCLOSURE #1 ASSY. CONT
PART NO
PART NAME
ENCLOSURE #2 ASSY
DCA-70USI50 Hz — ENCLOSURE #2 ASSY
PART NAME
DCA-70USI50 Hz — ENCLOSURE #2 ASSY
ENCLOSURE #2 ASSY
PART NO
RUBBER SEALS ASSY
DCA-70USI50 Hz — RUBBER SEALS ASSY
PART NAME
DCA-70USI50 Hz — RUBBER SEALS ASSY
RUBBER SEALS ASSY
PART NO
NAMEPLATE AND DECALS ASSY
DCA-70USI50 Hz — NAME PLATE AND DECALS ASSY
PART NAME
DCA-70USI50 Hz — NAME PLATE AND DECALS ASSY
NAMEPLATE AND DECALS ASSY
PART NO
Effective:October 1,
TERMS AND CONDITIONS OF SALE — PARTS
SPECIAL EXPEDITING SERVICE
2.ToobtainaReturnMaterialAuthorization
NOTE PAGE
WARRANTYDEPARTMENT
HERES HOW TO GET HELP
NUMBER ON-HAND WHEN CALLING
SERVICE DEPARTMENT