Shindaiwa DG60MI User manual

OWNER’S AND OPERATOR’S MANUAL
Vertical, Water-Cooled 4-Cycle Diesel Engine
DG60MI-400M/R
X753-007 96 0
X753801-360 0
CAUTION
Do not operate the Generator, or any other appliance, before you have read and
understood the instructions for use and keep near for ready use.

Introduction
Thank you for purchasing this Shindaiwa soundproof diesel engine generator.
This manual has been created to ensure safe usage of this generator. Be sure to read this
manual before operation. Improper operation/handling of this generator will result in an accident
or malfunction.
Handling/Operation of this generator can only be performed by persons who understand the
contents of this manual and can handle/operate the generator in a safe manner. Persons who
suffer from an illness, are taking medicine or not feeling way such that safe operation would be
negativelyaffectedmustnot operate thisgenerator.
Work performed using this generator and handling/operation of this generator must be in
accordance with corresponding laws and regulations based on such laws. Consult with the
authorized distributor where this generator was purchased if you have any inquiries regarding
the corresponding laws.
Always be sure to include this manual when loaning out this generator and instruct operating
personnelto readthis manual before operation.
Store this manual in a specified location where it will be secure and available for consulting at
any time. Order another copy from the authorized distributor where this generator was
purchasedif thismanualbecomesdusty,grimyortorn.
Consult with the authorized distributor where this generator was purchased if you have any
inquiries regardinganypointsrelatedtothis generator andmanual.
Wheninquiring aboutthisgenerator, besure toprovide themodel name and serialnumber.
If disposing of this generator, do so in a manner that is in compliance with laws related to
industrial waste. Contact the authorized distributor where the generator was purchased if you
haveanyinquiriesregardingproper disposal.
Cautionnoticeranks inthismanualareclassifiedas follows.
WARNING : Indicates a potentially hazardous situation which, if not
avoided, can result in death or serious injury
CAUTION : Indicates a potentially hazardous situation which, if not avoided,
canresult inminoror moderateinjuryandpropertydamage.
< Note> : Othertypes of cautionsand indications.
Note that CAUTION items can also lead to major accidents under some circumstances if
notcorrectly followed.
All caution notices areimportant. Be suretofollowallof them.

1
Table of Contents
1. Safety Instructions ............................................................................. 2
2. Specifications..................................................................................... 6
2-1. Specifications............................................................................6
2-2. Ambient Conditions...................................................................7
3. Applications........................................................................................7
4. Part Names..........................................................................................7
4-1. External View/Part Names ........................................................7
4-2. Operation Panel Part Names ....................................................9
4-3. Output Panel Part Names ....................................................... 10
5. Equipment......................................................................................... 11
5-1. Controller................................................................................. 11
5-2. Warning Indicators ..................................................................14
5-3. Meters and Switches...............................................................16
5-4. Frequency change...................................................................17
5-5. Fuel Piping Switch (3Way Fuel Valve).....................................17
6. Transporting/Installing..................................................................... 18
6-1. Transport Procedures.............................................................. 18
6-2. Installation Procedures............................................................19
7. Load Connections............................................................................ 19
7-1. Load Cable Selection.............................................................. 19
7-2. Connecting Load Cables......................................................... 20
7-3. Earth Leakage Relay and Grounding......................................22
8. Pre-Operation Inspection................................................................. 23
8-1. Checking Engine Oil................................................................24
8-2. Checking Coolant....................................................................24
8-3. Checking the Fan Belt.............................................................25
8-4. Checking the Fuel ................................................................... 26
8-5. Checking for Fuel, Oil and Coolant Leaks............................... 26
8-6. Checking the Battery............................................................... 27
9. Operating Procedures...................................................................... 28
9-1. Initial Startup/Pre-Check.......................................................... 28
9-2. Procedures during Operation.................................................. 31
9-3. Stopping Operation ................................................................. 31
9-4. Protective Functions................................................................ 32
9-5. Connecting with External Fuel Tank........................................ 33
10. Inspection/Maintenance................................................................. 34
11. Long-Term Storage......................................................................... 41
12. Troubleshooting ............................................................................. 42
13. Generator Circuit Diagram............................................................. 45
14. Engine Electrical Circuit Diagram................................................. 47

2
WARNING : SUFFOCATION FROM EXHAUST FUME
Do not operatethegeneratorinpoorly ventilatedareassuchas indoorsor tunnels,asthe
exhaustgas of the enginecontains substances that areharmfultohuman health.
Do not direct exhaustfumes at pedestriansor buildings.
WARNING : ELECTRIC SHOCK
Do not operatethe equipment with any doors or coversopen.
Always turn all thebreakers OFF, place the Power Switch in the OFFposition andstop the
enginebefore connecting/disconnectingtheloadcabletothe output terminalor receptacle.
Always turn the Power Switch to the OFF positionandstoptheengine, then close and lock
OPERATION PANELDOOR before checking or maintaining the engine or anyequipment.
Closethe output terminalcover beforeoperating.
Do not insert apin, wireorothermetalobject intotheelectricaloutlet.
Do nottouch the generator if thegenerator or casingor yourbodybecomeswet during
operation.
Do nottouchoutputterminals or internalelectric partswhile thegenerator isoperating.
Ground the everyearthgrounding terminaltotheearthas set out in themanual.
If even oneof all is unconnected by mistake or accident, it will bemuch more dangerous for
humanbodythan theNO-RELAYcase, because leaking current inevitably goesthrough the
body.
Eventhoughallthe earthterminalsof theloadshave been groundedto the earth,thebonnet
groundingterminalshould begroundedtothe earth.
Thereis always a danger of being electrocuted by short-circuit. Be sure to test generator’s
insulation resistance periodically.
Grounding should be made after the engine is stopped.
Whenever theEarth leakage relay is activated, youshouldalways repair theleaking place first
of all.
WARNING : INJURY
Closeall doors andlock them during operation.
Do not openthe check door when the Power Switch is in the ON position. It will cause injury
by rotating parts such as cooling fansand fan belt.
Always turn the Power Switch to the OFF positionandstoptheengine, then close and lock
OPERATION PANELDOOR before checking or maintaining the engineor any equipment.
Usethe lifting hook to lift the machines, and do not liftupbyusing tie downs. Use of such
couldresult inthegenerator falling.
Do not liftany additional weight such as fuel tanksor trailers.
No persons shouldever be undera liftedgenerator.
Always be sure to check thatthe breakers on load side andswitches for any equipment using
the generator areatOFFbefore turning thebreakertoON.Also besuretoadvise personnel
on the load side that power will be turnedon or off before operating the breaker.
Do notmodifytheequipment anddo not operatewith partsremoved.
CAUTION : EYE/SKIN INJURY
Wearrubberglovesandotherprotectiveweartoprotecteyes, skin andclothingfrom the
batteryfluid which containsdiluted sulfuricacid. If thebatteryfluidcontacts eyesor skin, wash
out immediately with asufficient amount of clean water. Besuretoreceivemedicaltreatment,
especiallyif thefluid contactstheeyes.
1. Safety Instructions

3
CAUTION : EXPLOSION
Never use or rechargethebattery if the fluid level is belowtheminimum level.
Do not createsparks or bring flame near thebatteryas it generates flammable gas.
CAUTION : FIRE
Do not carryflammable items(suchas fuel,gas andpaint)or items that arehighly combustible
nearthe generator as themuffler, exhaustgas andotherpartsbecome extremely hot.
Position thisgenerator 1 mormore from walls or other hindrances, and on a level surface.
Do not connect thegenerator output to indoor wiring.
This generator usesdieselfuel.Always be sureto stoptheengineandnotbring flamesclose
when inspecting fuelor refueling. Waituntilthe engine has cooled beforeperforming such
procedures.
Do not use this equipmentwhen leak is found, and repair theleaking location before
operating.
Always be sure to wipe up anyspilled fuel or oil.
Allow thegenerator to coolbeforecovering with the protective cover.
Never allowflametocomeclose to thegenerator.
Always make sure that the Power Switch is OFF position when working on piping.
After working onthe piping,check thatthereisnofuelleakage.
Absolutely never inspect or performmaintenanceto the equipment near fireor otheropen
flame.
CAUTION : BURNS
Do nottouch the engineand surrounding components immediatelyafter stopping theengine
as theyarestillextremelyhot.
Do not openthe radiator cap immediatelyafter stopping the engine, to avoid sustaining burns
from hotvapor.
Hotsteam gushes out from the coolant sub-tank if thegenerator overheats. Donot touchthe
coolant sub-tank.
Always be sure to stop the engine and allowtheengine tocool when performing inspection or
maintenanceof engine oil. Opening theoil level gauge or oil filler cap during operation will
result in hotoil gushing out.
CAUTION : INJURY
Always be sure to use lifting hookswhen lifting up thegenerator, andslowly lift it straight up.
Personnelperforming lifting work must wear protective gearssuch as helmets, safety shoes
andgloves.
Remove the woodties if using anchors to secure thegenerator.
Position thegenerator on a levelstable surface so that it cannot slideor move in any manner.
Before starting operation, always be sure to turn off all switches of equipment using the
generatorand all breakers toOFF.
Do not move the generatorduring operation.
Do not operatethegeneratorifit has beenmodifiedor anypartshave been removed.
Securely fixthe equipmentwith ropeor similar item sothat it cannot move whentransporting
by truck or othervehicle.
Check that the surrounding area is safe, before setting toAutoMode.
Be sure to communicatebetween operators mutuallybefore attempting to set "Auto Mode" to
avoidmechanicaltroubleandincidents.

4
CAUTION : PROPERTY DAMAGE
Do not usethe equipmentforanyimproper applications. Improper usagecanresultinan
accident or malfunction.
If using this generator for medicalequipment,check before use with the medicalequipment
manufacturer, doctor, hospitalorsimilarentity.
Checkthat the generator output setting,output terminalconnectionandloadpower sourceare
consistent.
Cableburnout can occur duetogenerated heat if the load current exceeds the allowable
currentof the cable.
Thevoltage drop betweencables is large if thecable is excessivelylong or thin, resulting in
decreased input voltage to equipment using the generator, thereby causing decreased
performance, faultyoperationand malfunction.
When changing the frequency, be suretoadjust theFrequencyadjusut screwand changethe
Controller settings.

5
Warning/Caution Label Locations
If warning or caution labels become damaged and difficult to read, replace with new
labels in the indicated locations. Order labels using part number indicated in the
parenthesis.

Injury
(Part no. : X505-007550)

Electric shock
(Part no. : X505-007560)

Caution: gm spec LLC
(Part no. : X505-007840)

Caution: fire
(Part no. : X505-007650)

Caution
(Part no. : X505-008690)

Injury
(Part no. : X505-010350)

Burn
(Part no. : X505-007830)

Caution: automatically
(Part no. : X564-000510)

6
2-1. Specifications
Model
Unit
DG60MI-400M
Alternator
Generating Type
-
Rotating Filed, Brushless 3-Phase
Synchronous Alternator
Rated Frequency
Hz
50
60
Rated Output
kVA
50
60
kW
40
48
Rated Voltage
V
400 [200] *1
440 [220] *1
Rated Current
A
72 [144] *1
78.5 [157] *1
3-Phase Receptacle Output
kVA
22.2/23.0
1-Phase Receptacle Output
kW
3.5x2/3.6x2
Winding
-
3-phase, 4-wire
Power factor
%
3-phase 80, 1-phase 100
Insulation class
-
F
Excitation
-
Self-Excitation(Brushless)
No. of poles
-
4
Engine
Types
-
Vertical Water-cooled 4-cycle Diesel Engine
Model (Manufacturer)
-
4BG1T (ISUZU)
No. of Cylinders (bore x stroke)
mm
4 (105 X 125)
Continuous rated output
kW
48.3
57.8
PS
65.7
78.6
Rated speed
min-1
1500
1800
Displacement
L
4.329
Combustion system
-
Direct Fuel Injection with Turbo Charger
Cooling method
-
Radiator
Lubricating method
-
Forced lubrication
Starting method
-
Electric start
Fuel
-
Diesel Fuel （ASTM No. 2-D）
Lubricant oil
-
CD class
Fuel tank capacity
L
125
Lubricant volume (Full)
L
13.2
Cooling water volume
L
15.4
Starting motor capacity
V-kW
12 –2.5
Charging dynamo capacity
V-A
12 - 35
Battery
-
95D31R
Unit
Length
mm
2090
Width
mm
880
Height
mm
1240
Dry Weight
kg
1180
Installed Weight
kg
1315
*1:The values in brackets are optional data, when modified to 200/220V by the dealers only.
As default 3-phase output is set at 400/440V, contact your authorized distributor to adjust
the terminal lug setting if necessary to obtain 200/220V for 3-phase output.
2. Specifications

7
Tie-Down
Lifting Hook
Tie-Down
Operation Panel Door
Fuel Inlet
Output Terminal Cover
Radiator Plate
2-2. Ambient Conditions
Use this generator in ambient conditions as described below. Failure to provide these
conditions can result in problems such as malfunction, insufficient output and reduced
durability.
■Ambient temperature: -15 to 40 °C
■Relative humidity: 85% or less
■Elevation: 300 m or less
Power source for submerged pumps and similar civil engineering equipment
Power source for lighting and similar equipment
Power source for electrical tools and household appliances
4-1. External View/Part Names
CAUTION : PROPERTY/SECONDARY DAMAGE
Do not use for any application other than those listed above.
If using this generator for medical equipment, check before use with the
medical equipment manufacturer, doctor, hospital or similar entity.
4. Part Names
3. Applications

8
Oil Filler
Coolant Sub-Tank
Accessories
Owners
Manual
Door Key (2 pieces)
Grounding Rod
Fuel Filter
Oil Level Gauge
Battery
Oil Drain Plug
Coolant Drain Hose
Radiator
(Inside)
Alternator Check
Door
Air Cleaner
Fuel Drain Plug
Engine Check
Door
External Tank Fuel Return
Water Separator
External Tank Fuel Inlet
3way Fuel Valve
Alternator Check Door
Oil Filter
Engine Check Door

9
4-2. Operation Panel Part Names
①
Circuit Breaker
②
Controller
③
Power Switch
④
Hour Meter
⑤
Voltage Regulator
⑥
Earth Leakage Relay

10
4-3. Output Panel Part Names
①
3-Phase Output Terminal “R”
⑥
3-Phase Breaker (32A)
②
3-Phase Output Terminal “S”
⑦
1-Phase Breaker (15A)
③
3-Phase Output Terminal “T”
⑧
3-Phase Receptacle
④
3-Phase Output Terminal “O”
⑨
1-Phase Receptacle
⑤
Earth Leakage Terminal
⑩
Bonnet Grounding Terminal

11
Stop Mode Button
Manual Mode Button
Auto Mode Button
Lamp Test /
Air Bleeding Button
Start Button
5-1. Controller
This generator has a Controller which is used for starting or stopping the power generator
or the engine, for monitoring. If you turn the Power Switch to ON position, the status
Screen appears.(Refer to section "5-1. Controller (2)Operation Display".)
(1) Button
○Stop Mode Button
This button places the controller into its Stop Mode.
Pressing this button stops the engine and deletes any resolved alarms.
○Manual Mode Button
This button places the controller into its Manual Mode. (Refer to section
"9-1. Initial Startup/Pre-Check (1) Manual Start")
○Auto Mode Button
This button places the controller into its Auto Mode. (Refer to section "9-1.
Initial Startup/Pre-Check (2) Auto Start")
○Lamp Test / Air Bleeding Button
While this button is pressed, all LEDs on the controller are turned on as a
lamp test function. Press and hold for approximately 2 seconds to
automatically starts air-bleeding device. (Refer to section "9-2.Procedures
during Operation (2)Adjustment during Operation")
○Start Button
Pressing this button in Manual Mode starts the engine. (Refer to section
"9-1. Initial Startup/Pre-Check (1) Manual Start")
5. Equipment

12
Button
Operation Display
Button
Button
Button
Button
(2) Operation Display
Contents
Button, Button
Switches the main screen displayed on the Operation
Display.
Button, Button
Displays the detailed status of the main screen.
< Note>
If an error occursduring operation, the Operation Displayautomatically switches to theAlarm
screen.
If there is no operation for about 6 minutes while the engine is stopped, it will shift
sleep mode to reduce battery consumption. Once it shift to sleep mode, the display of
the Operation Display will disappear. To exit sleep mode, press any button on the
controller.
Main screens
○Status
Status Screen
Contents
Generator at Rest
Engine is stopped.
Generator Available
Engine is running.
Generator Locked Out
It is in a state where some abnormality has occurred and
the engine cannot be started. Check the contents on the
Alarm screen.
Waiting For Generator
Displayed when voltage and frequency are lower than the
set value.
○Engine
Status Screen
Contents
Engine Speed [rpm]
Engine speed
Engine Coolant Temp. [°C]
Coolant temperature meter
Engine Battery Voltage [V]
Battery voltage meter and battery charge meter
Engine Run Time
Hour meter
Engine Fuel Level [%][Litre]
The capacity of the fuel tank.
When fuel is full, "++++" is displayed. When fuel is empty,
"----" is displayed.

13
○Generator
Status Screen
Contents
Generator Voltage (ph-N)
Phase-Neutral voltage meter.
Generator Voltage (ph-ph)
Phase-Phase voltage meter.
Generator Frequency
Frequency meter.
Generator Current (A)
Current meter.
Generator Earth Current (A)
No use.
Generator Load Ph-N
(kW)(%)
Real power and load factor.
Generator Total Load
(kW)(%)
Total of real power and load factor.
Generator Load Ph-N (kVA)
Apparent power and load factor.
Generator Total Load
(kVA)(%)
Total Apparent power and load factor.
Generator Power Factor
Power factor and average of power factor.
Generator Load ph-N (kvar)
Reactive power.
Generator Total Load (kvar)
Total of reactive power.
Generator Load (kWh, kVAh,
kvarh)
Accumulation of real power/apparent power/reactive
power.
Gen Phase Sequence
No use.
Active Config
Ph-N voltage, frequency, voltage set in the Alt Config is
displayed.
○Mains
Status Screen
Contents
Mains Voltage
No use.
Mains Frequency
No use.
Mains Phase Sequence
No use.
Active Config
No use.
○Alarms
If an error occurs during operation, the Operation Display automatically switches to the
Alarm screen, and displays error details. Refer to "9-4.Protective Functions" for details
of main errors.
When the Stop Mode Button is pressed after the error is cleared, the alarm display
disappears.
< Note>
Even if the earth leakagerelay operates and the breaker is turnedoff,nothing is displayedon
theAlarmscreen.
○Event Log
Displays the operation history of this generator. This Event Log records up to 250 items.
When EventLog exceeds 250 items, the oldest history is overwritten.
○Communications
Display the Serial Port.
○PLC Instrument
Display the time of air-bleeding.
○About
Display the version information.

14
(3) Editor
This generator has with the Controller Editor function, which allows you to change
frequency, date and contrast of the controller.
Press the Stop Mode Button.
Press the Stop Mode Button and " " button together to enter the editor
display.
Press the " " button or the " " button to select the main screen.
Main screens
○Alt Config
Status Screen
Contents
Config to Edit
No use.
Default Config
Change frequency.
(Refer to section"5-4. Frequency change" )
○Display
Status Screen
Contents
Contrast
Set the Contrast.
The default contrast is 55%.
Date and Time
Set the Date and Time.
Press the " " or " " button to select the item you want to change.
Press the " " button.
Press the " " or " " button to change the item.
Press the " " button to confirm the changes.
To save the changes, press and hold the " " button.
Not to save the change, press and hold the Stop Mode Button.
5-2. Warning Indicators
WARNING : INJURY
Do not open the check door when the Power Switch is in the ON position. It
will cause injury by rotating parts such as cooling fans and fan belt.
Always turn the Power Switch to the OFF position and stop the engine, then
close and lock OPERATION PANEL DOOR before checking or maintaining
the engine or any equipment.
CAUTION: BURNS
Do not touch the engine and surrounding components immediately after
stopping the engine as they are still extremely hot.
This generator is equipped with the following warning indicators: Low Oill Pressure,
High Coolant Temperature, Air Filter Clogging, Overload Pre-Caution, Fail to Start,
Water In Fuel, Charge Alt Failure, Fuel Level Low. Turn the Power Switch to ON position
causes "Low Oill Pressure" warning indicator to illuminate, and all indicator lights will go
off as engine starts. An indicator illuminates if malfunction/fault occurs during operation
and the engine automatically stops depending on the fault type. If the generator
automatically stopped, check each illuminated warning indicator at the time of engine
stop, and inspect the failed component.
8
7
6
5
4
3
2
1

15
(1) Low Oil Pressure
CAUTION: BURNS
Always be sure to stop the engine and allow the engine to cool when
performing inspection or maintenance of engine oil. Opening the oil gauge or
oil filler cap during operation will result in hot oil gushing out.
If the engine oil pressure drops below 0.98 x 100 kPa during operation, the Low Oil
Pressure indicator illuminates on the controller, and "Oil Pressure Low Switch" appear
on the Operation Display, and the engine will be automatically stopped. If this occurs,
check the engine oil level and add engine oil until it reaches the maximum level.
< Note >
ThisLowOil Pressureindicatorcannot detect oildeterioration. Changetheengine oil
periodically.(Refer to section “8-1. Checking Engine Oil”.)
(2) High Coolant Temperature
CAUTION: BURNS
Do not open the radiator cap immediately after stopping the engine.
Do so will result in hot steam gushing out.
Hot steam gushes out from the coolant sub-tank if the generator overheats.
Do not touch the coolant sub-tank.
If the coolant temperature rises above 105 °C during operation, the High Coolant
Temperature indicators illuminate on the controller, and "Coolant Temp High Switch"
appear on the Operation Display, and the engine will be automatically stopped. If this
occurs, hot steam will gush out of the coolant sub-tank. Check the coolant sub-tank
coolant level after the generator cools and add coolant to the coolant sub-tank if it is
insufficient. (Refer to section “8-2. Checking Coolant”.) If the coolant is at the specified
amount, it is probable that the fan belt is loose or there is a coolant leak. Wait for the
engine to cool and inspect for these problems.
< Note>
Thecoolant temperaturecannot bedetected if the coolant levelisexcessivelylow.Alwaysbe
sure to check the coolant level inthe radiator coolant sub-tank beforestarting work.
(3) Air Filter Clogging
If the air cleaner element becomes clogged during operation, theAir Filter Clogging
indicators illuminate on the controller, and "Air Filter Clogging" appear on the Operation
Display. If it is appeared, immediately stop the engine and clean or replace the air
cleaner element. (Refer to section “10. Inspection/Maintenance (3) Air Filter Element
Cleaning/Replacement”.)
(4) Overload Pre-Caution
If the output current exceeds around 80% of the rated current, the Overload indicators
illuminate on the controller, and "Over Load Pre-Caution" appear on the Operation
Display. Use this generator in a range that does not exceed the rated current while the
Overload indicators is illuminating. The Overload indicators turns off when the output
current drops below 80% of the rated current.
< Note>
Whenthe outputcurrentreaches the ratedcurrent, "Over Current ImmediateWarning"is
displayedonthe OperationDisplayandoutput to the load sideis cut.
(5) Fail to Start
If the engine fails to start for three times in succession, "Fail to Start" is displayed on
Operation Display. If that happens, turn the Power Switch to the OFF position, and
inspect the generator. (Refer to section "12. Troubleshooting")

16
Circuit Breaker
Power Switch
Voltage
Regulator
Earth Leakage
Relay
Hour Meter
(6) Water in Fuel
If the liquid stored in the water separator exceeds approximately 100 ml during
operation, "Water in Fuel" appear on the Operation Display. If it illuminates, immediately
stop the engine and drain the liquid stored in the water separator. (Refer to section “10.
Inspection/Maintenance (4) Draining Liquid in Water Separator”.)
(7) Charge Alt Failure
"Charge Alt Failure" appear on the Operation Display when charging is not possible
during operation.If charging is not possible and the battery voltage drops below 8 V, the
ENGINE warning indicator also lights up and the engine automatically stops. If this
occurs, contact the authorized distributor where the generator was purchased.
(8) Fuel Level Low
If the amount of fuel is small, "Fuel Level Low" appear on the Operation Display, and the
engine will be automatically stopped. Check if there is a sufficient amount of fuel and
add fuel insufficient.
5-3. Meters and Switches
Meters
(1) Hour Meter
Displays the operating time. Use this as a reference for managing periodic inspection
interval.
< Note >
EngineRunTime of controller and HourMeter value may not be matched. In that case,
you check the HourMeter time.
Switches
(1) Power Switch
This is the main Power Switch of the generator.
When the Power Switch turned to OFF position, the engine is stopped.
< Note >
If there is no operation for about 6 minutes while the engine is stopped, it will shift
sleep mode to reduce battery consumption. Once it shift to sleep mode, the display of
the Operation Display will disappear. To exit sleep mode, press any button on the
controller.
If the engine is not started for a long time when the Power Switch is ON position, the
battery will deteriorate.

17
(2) Circuit Breaker
This switch is for transmitting electrical power to the load side. Turn to ON position to
output voltage to the output terminals. Output to the load side is cut off when there is a
short circuit or overload on the load side.
(3) 3-Phase Earth Leakage Relay
When current leak occurs, it trips to stop power transmission to load.
< Note >
Do notusethis relayastheON/OFFswitch totheload.
Voltage Regulator
(1) Voltage Regulator
This dial is for regulating voltage output by the generator.Turn the dial clockwise to
increase the voltage and counterclockwise to decrease it.
5-4. Frequency change
CAUTION : PROPERTY DAMAGE
When changing the frequency, be sure to adjust the Frequency adjusut screw
and change the Controller settings.
Turn the Power Switch to ON position.
Press the Stop Mode Button and " " button together to enter the editor
display.
Press the " " button or the " " button to select the Alt Config.
Press the " " button or the " " button to select the Default Config and press
the " " button.
Press the " " button or the " " button to change frequency and press the
" " button.
Press and hold the " " button to save settings.
< Note >
Check that no loads are connected before using the frequency selector switch.
Be sure to select "50Hz 400V" or "60Hz 440V". Contact distributor if you want to use
"50Hz 200V" or "60Hz 220V".
This switch is set to 50Hz when shipped from the factory.
5-5. Fuel Piping Switch (3Way Fuel Valve)
CAUTION : FIRE
Always make sure that the Power Switch is OFF position when working on
piping.
Always be sure to wipe up any spilled fuel.
After working on the piping, check that there is no fuel leakage.
Change the 3way fuel valve to switch to supply fuel from the external tank. In that case,
the internal fuel tank is not used.
(1) If using the internal fuel tank
The 3way fuel valve is turned to the “A” side when the generator is shipped from the
factory.
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5
4
3
2
1