Shindaiwa DG450UMI-QD User manual

DATE:
TO:
MODEL: DG250MI-Q1
SPECIFICATIONS
CHAPTER 1: GENERAL
CHAPTER 2: EQUIPMENT SPECIFICATIONS
ATTACHED DRAWINGS
• APPEARANCE
• GENERATOR WIRING
• ENGINE WIRING
SHINDAIWA Corporation
-2-11, Ozuka-Nishi, Asaminami-Ku, Hiroshima, 731-31 7, Japan
LOW-NOISE DIESEL-POWERED
AC GENERATOR
DG450UMI-QD (200/400)
CERTIFIED

1
Chapter 1 General
1. Standards
The designs and the productions are in conformity with:
(1) Japan Industrial Standards
(2) Electricity Academy Corporation - Electricity Standard Research Association Standard (JEC)
(3) Japan Electric Industries Corporation Standard (JEM)
(4) Japan Combustion Generating Equipment Corporation
(5) Ministry of Construction (Low Noise Type Construction Machinery Standard)
(6) Ministry of Construction (Construction Machinery Gas Emission Regulation Standard)
2. Design Conditions
(1) Installation Place: Inside/Outside
(2) Ambient Temperature: -15-+40
℃
(3) Humidity: Less than 80%
(4) Altitude: Less than 300meter (Sea Level)
3. Test and Check
The test shall be done for the complete workable unit of Diesel Engine and Portable Generating Unit.
(1) Checking Items
a) Insulation and Dielectric Tests
b) Starting
c) Protection Devices Working Test
d) Voltage Deviation and Speed Variation: 1/4, 2/4, 3/4 and 4/4 Load
e) Load Test: 4/4 Load 30 minutes
4. Painting
(1) Painting specifications and color are the manufacturer’s standard

2
SPECIFICATION
Model
Item
DG450UMI-QD
AC generator Brushless, 3-Phase synchronous AC generator
Frequency (Hz) 50/60
(k VA) 37/45
Rated output (kW) 29.6/36.0
Rated voltage (V) 200/220, 400/440
Rated amperage (A) 107/108, 53.5/59
Number of polarity ―4
Rated power factor ―0.8 (lagging)
(V) 100/110
(A) Terminal 75, 38x2
Single Phase output
(A) Receptacle 15Ax4
Engine Model ―ISUZU BB-4JG1T
Type ―4-cycle,water-cooled,direct injection type
Air induction system Exhaust turbocharger
Number of cylinder ―4
Bore x stroke (mm) 95.4x107
Displacement (L) 3.059
Rated output (kW) 35.4/42.6
Rated revolution speed (min
-1
) 1500/1800
Fuel ―Diesel fuel (JIS K2204,class 1 to 3)
Fuel consumption Note1 (L/hour) 6.6/7.9
Lubricating oil type ―Class CD or better, SAE30
Lubricating oil capacity （ L ） 10 (Effective 3)
Lubricating oil consumption Note2
（ L/hour) 0.018
Coolant capacity （ L ） 13
Battery ―95D31R
5-hour capacity (Ah) 64
Fuel tank capacity (L) 124
Equipment dimension L×W×H (mm) 1770×920×1350
Dry weight 1130Mass
Amount weight (kg) 1260
Note1, 2: The indicated values were obtained under normal operating condition at 75% load.
Use the numerical value as reference.

3
Chapter 2 Equipment Specifications
1. Diesel Engine
Model: ISUZU BB-4JG1T
Displacement: 3.050 L
Rated Output/Rated Speed: 35.4kW {48.10PS}/42.6kW{57.9PS}
: 1500/1800min
-1
{rpm}
Fuel: Diesel Fuel ASTM No. 2 or Equivalent
Fuel Filter: Paper Filter
Automatic Air Extraction: Standard Accessory
External Fuel Changeover: Standard Accessory
Battery: 95D31R (12V-64AH)
2. 3-Phase Synchronous Generator
1) Alternator
Model: Rotating Field, Self-Ventilation (JCO), Protection (JP20)
Output: 37.0/45.0kVA (29.6/36.0kW)
Rate: Continuous
Voltage: 400/440V
Current: 53.4/59.0A
Frequency: 50/60Hz
Speed: 1500/1800min
-1
Pole: 4 Poles
Power Factor: 0.8 Lagging
Exciting Method: Brushless, AC Exciter
Wiring: Star, 3-Phase 4-Wire
Insulation: Stator Wiring Class F
: Rotor Wiring Class B
Standard: JIS, JEM, JEC
2) Characteristic
Voltage Deviation: Less than ± 1.0% for the nominal value
: Transient Values to be less than 20% (100%kVA, Power Factor 0.4)
Over-speed Endurance: 2 minutes of120% of the rated speed
Wave Distortion: Less than 2% (3-Phase, Line to Line, No Load)
Generator Efficiency: More than 85%
Insulation Resistance: More than 5MΩ
Dielectric Insulation: 1500V for 1 minute or 1800V 1 second
3. Structure
1) Beds (bottom columns) and Vibration Proof Device
Alternator is coupled directly with engine and they are installed on the bed through vibration proof
device (Rubber Pad and Angle).
2) Low Noise Sound-Proof Enclosure (Bonnet)
The structure is that the inside of the bonnet is sound-proof treated and you can lift up the
alternator and the engine together with the beds by using a lifting lug.
Sound Level: 51/53dB (A)/7m (No Load 1500/1800 min
-1
)
3) Fuel Tank
The fuel tank is made of steel and incorporated with the electric type gauge.
Capacity: 124L

4
4. Control Devices, Gauges and Protection Devices
1) Control Device
Breaker: Circuit Breaker (Rate 600V 125A)
: Circuit Breaker (Rate 600V 75A)
Exciter Circuit: Automatic Voltage Regulator (F/V Characteristic)
Current Leakage Shut Off Device: 30mA 0.1 second
2) Gauges (Displays)
AC Volt Meter: 0-600V
AC Ampere Meter: 0-75/150A
Frequency Meter: 45-65Hz
Hour Meter: 9999.9Hr
Oil Pressure Gauge
Water Temperature Gauge
Preheat Lamp
Disorder Display Lamps: High Water Temperature, Low Oil Pressure, Insufficient Charging
Voltage Adjuster: Adjustable Range; Below–10%- and over +5%
Panel Light
Emergency Stop Button
3) Protection Device
4) Output Terminals Plate
R, S, T and O output terminals, 4 (four) receptacles of auxiliary power 100/110V 15A x 4 and 2
(tow) 37.5A 1-Phase output terminal set
5. Dimension and Weight
Length: 1770mm
Width: 920mm
Height: 1350mm
Dry Weight: 1130kg
Outfitted Weight: 1260kg
6. Accessories
Grounding Rod: 1 piece
Fuse: 10A 1 piece
Instruction manual
Manual, engine
Item Set Value Display
Trip Shut-Down
Low Oil Pres. 98.1kPa
◯ - ◯
High Water Temp. 105
℃ ◯ - ◯
Insufficient
Charging -
◯ - -
Over Current
(Thermal relay) 120%
- ◯ -
Current Leakage 30mA 0.1sec.
◯ ◯ -

5
•APPEARANCE
FRONT VIEW
RIGHT SIDE VIEW

6
LEFT SIDE VIEW
TOP VIEW

7
CONTROL PANEL
NO.
Name Description of function
1 3-phase circuit breaker Turns the power supply to load equipment ON (closed) and
OFF (open).
2 1-Phase circuit breaker Turns the power supply to load equipment ON (closed) and
OFF (open).
3 Voltage meter Indicates voltage.
4 AC ampere meter Indicates phase current.
5 Frequency meter Indicates electricity frequency.
6 Earth leakage relay Detects electric leakage in the 3 phase,4wire output, and turns
the circuit breaker OFF when activated
7
Panel light Illuminates control panel surface and
Indicates generated electricity when the engine is in operation
and generating.
8 Voltage adjustment dial Used to adjust voltage.
9
Volt meter change over switch Used to change the display voltage between phases
10 Warning indicator : NOTE Lights when an equipment malfunction occurs.
11 Coolant temperature gauge Indicates temperature of the engine coolant.
12 Oil pressure. gauge Indicates lubricating oil pressure.
13 Fuel meter Indicates remaining fuel.
14 Hour meter Indicates operating hours of the generator unit.
15 Emergency stop switch When the switch is pressed, stops an engine operation.

8
NO Name
Description of function
16 Pre-heat indicator The indicator lights when the key switch is set to the [ON]
position, and starts pre-heating.
17 Starter switch OFF: stops engine operation.
ON: supplies electricity for control operation, and starts
pre-heating.
START: starts an engine operation
18 Throttle lever Low idling or rated speed selecting lever.
19 Frequency (Speed) adjusting knob
Used to fine adjustment of frequency
20 Frequency select switch Select the rated speed of engine.
NOTE
High water temp. Low oil press. Charge fault

9
• GENERATOR WIREING

10
• ENGINE WIRING

Product code: 71091-00000
2005.12
MENO