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CAUTION

 

 

Do not operate the 
equipment before you 
have read and understood 
the instructions for use. 

 

 

 

 

 

 

 

 

 

OWNER’S

 

AND 

OPERATORS

 

MANUAL 

 

 

 

 

 

DGA50C 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DGA50C 

X750-023  80  1 

X750801-250  3 

Table of Contents 

Page 

  1. Safety Guidelines 
  2. Specifications 
      2-1. Data 
      2-2. Ambient Condition 
  3. Use 
  4. Parts 
 

 

4-1. Outer and Main Components 

 

 

4-2. Operation Panel 

      4-3. Output Panel 
  5. Equipment 
 

 

5-1. Monitor Lamp 

 

 

5-2. Meters 

      5-3. Fuel Line Changeover Valve 

  (3-Way Valve) 

  6. Transportation & Installation 
 

 

6-1. How to transport 

 

 

6-2. Installation 

  7. Connecting load 
 

 

7-1. Select Load Cable 

 

 

7-2. Connecting Load Cable 

 

 

7-3. ELCB and Grounding 

  8. Initialization and Pre-check 
 

 

8-1. Engine Oil 

 

 

8-2. Coolant / Water 

 

 

8-3. Fan Belt 

 

 

8-4. Fuel 

 

 

8-5. Fuel, Oil and Coolant Leakage                                   

 

 

8-6. Battery 

  9. Operation 
 

 

9-1. Initialization and Preparation 

 

 

9-2. During Operation 

 

 

9-3. Stopping 

 

 

9-4. Protection Feature 

 

 

9-5. Connect to External Fuel Tank 

  10. Check and Maintenance 
  11. Long Term Storage 
  12. Troubleshooting 
  13. Generator Circuit Diagram 
  14. Engine Circuit Diagram 

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SOUND-PROOF 

DIESEL ENGINE GENERATOR 

Summary of Contents for dga50c

Page 1: ...6 1 How to transport 6 2 Installation 7 Connecting load 7 1 Select Load Cable 7 2 Connecting Load Cable 7 3 ELCB and Grounding 8 Initialization and Pre check 8 1 Engine Oil 8 2 Coolant Water 8 3 Fan B...

Page 2: ......

Page 3: ...se read all item and follow all the safety guidelines Danger Suffocation from exhaust fume Exhaust fume from the engine contains many elements harmful to human Do not operate this equipment in poorly...

Page 4: ...ombustible gas so keep it away from fire and sparks Caution Fire The equipment uses Diesel Oil as a fuel When refueling always stop the engine and keep away from fire Moreover always wait until the en...

Page 5: ...ift a handle for it may cause equipment to drop due to handle breaking off Always place the equipment on a flat and stable surface to keep the equipment from sliding When starting the engine turn off...

Page 6: ...ged place new label at the appropriate location as specified in the following figure When ordering the label use the following part numbers 1 Injuries No 19402 00210 2 Caution coolant No 19402 00295 3...

Page 7: ...Cylinder bore x troke mm 4 105 x 125 Continuous Rated Output kW PS 48 5 66 0 Speed min 1 1500 Displacement L 4 329 Combustion Method Direct Injection Turbo charged Cooling Method Water cooling radiat...

Page 8: ...than 80 Altitude Less than 300m Power Supply for submersible Pump etc Power Supply for lightings etc Power Supply for electric tools home appliances 4 1 Outer and Main Components 3 Use 4 Parts Compone...

Page 9: ...r 15 Preheat Lamp 5 Panel Light Switch 16 Starter Switch 6 Panel Light 17 Battery Isolator 7 Voltage Regulator 18 Pilot Lamp 8 Volt Meter Selector Switch 19 3 Phase Breaker 50A GREEN 9 Ampere Meter Se...

Page 10: ...8 4 3 Output Panel 3 Phase ELCB 1 Phase ELCB 1 Phase Receptacle 15A 3 Phase Receptacle 50A 3 Phase Receptacle 20A 3 Phase Receptacle 32A Bonnet Grounding Terminal...

Page 11: ...this equipment or immediately after stopping the equipment to avoid sustaining burns from hot vapor Do not touch the engine and muffler during operation and immediately after stopping the equipment fo...

Page 12: ...hen the engine oil pressure drops below 0 98 x 100kPa 1kgf cm2 during operation the oil pressure monitor lamp will flash and the automatic shutdown will be engaged When this occurs check the engine oi...

Page 13: ...ature Gauge displays the temperature of engine coolant Normal temperature may vary depending on the environment but it should be between 75 and 100 Caution If the temperature exceeds normal value disc...

Page 14: ...frequency of the generator Please check it showing 50Hz during operation 1 Preheat Lamp When the starter switch is turned to Preheat position the preheat lamp will be turned ON The preheat lamp will b...

Page 15: ...start the engine When the key is released the setting will automatically return to RUN position 4 Preheat This position is used during cold season to preheat Glow Plug 2 Emergency Stop Button This but...

Page 16: ...FF switch to the load 5 3 Phase Earth Leakage Circuit Breaker 3P ELCB 1 Phase Earth Leakage Circuit Breaker 1P ELCB Each receptacle 3 Phase and 1 Phase is incorporated with ELCB respectively When curr...

Page 17: ...uit does not activate due to no battery power 1 Voltage Regulator The dial adjusts generator output voltage By turning the dial clockwise you can increases the voltage By turning the dial counter cloc...

Page 18: ...nnect hoses from the external fuel tank to the external fuel intake and the external fuel return ports and set the lever for 3 way valve to B position You can now supply the fuel from the external gas...

Page 19: ...use a Lift lug when lifting the equipment for transportation 2 Transporting the equipment When transporting the equipment make sure that the equipment is secured properly with ropes tied to the ropin...

Page 20: ...nt etc away from the equipment Always set the equipment on hard flat surface Keep the equipment at least 1m from a wall or any obstacles to allow workable space to access the control panel and opening...

Page 21: ...ll be greater voltage drop between cables which brings voltage drop to loads It may result in reduced performance in the connected loads malfunction or damages Caution It is recommended to select the...

Page 22: ...not connect AC output to any indoor wiring Caution Divide loads into 3 circuits proportionally as possible when using the maximum output power especially and connect them to each phase R S T respecti...

Page 23: ...ys repair the leaking place first of all The generator is provided with the earth leakage circuit breaker ELCB to detect any Leakage produced due to such the trouble as insulation failure of the load...

Page 24: ...lay Push the TEST button Yellow on 3 Phase ELCB Indicator changes to Green from RED and ELCB trips to OFF Which shows NORMAL Push the TEST button Blue on 1 Phase ELCB Red lamp turns to OFF and ELCB tr...

Page 25: ...nd restore it by the following procedure Overload happens when the breaker activates but the Earth leakage breaker does not activate Turn the 3 Phase ELCB to ON to restore Turn the 1 Phase ELCB to RES...

Page 26: ...parately When checking for engine oil be sure to keep the equipment leveled and insert not screw in forcibly the oil gauge all the way in Prior to starting the equipment make sure to fill the engine o...

Page 27: ...ep the key Caution Burns Do not open the radiator cap while operating this equipment or immediately after stopping the equipment to avoid sustaining burns from hot vapor or water Do not touch the engi...

Page 28: ...same type of coolant with identical mixture ratio for the Sub Tank Mixture ratio of the coolant should be between 30 to 50 depending on the ambient temperature When replenishing LLC be sure to use the...

Page 29: ...ternator Pulley 2 Condition Check for any damage on the Fan Belt Replace if necessary Caution Refer to the User s manual for Engine for adjusting and replacing of the Fan Belt 8 4 Checking fuel Cautio...

Page 30: ...rinted no other fuel additive was recommended See your authorized dealer to find out if this has changed 8 5 Checking Fuel Engine Oil and Coolant leakage Caution Fire Never use this equipment when a l...

Page 31: ...R Battery Reinstall a new Battery in the reverse order always install the cable to the positive post of the new Battery first 2 Replacing the Left L Battery Disconnect the positive terminal from the...

Page 32: ...he equipment on a flat and stable surface to keep the equipment from sliding When starting the engine turn off the connected equipment and set the circuit breaker to OFF position Turn every circuit br...

Page 33: ...Regulate Dial set it to the required voltage 50Hz RUN 415V Turn the circuit breakers to ON to send power to the load side Danger Electric Shock Injuries Before turning ELCB to ON to send power to the...

Page 34: ...ment during operation Make subtle adjustment to voltage using the Voltage Regulate Dial by monitoring Voltage Meter during operation Extracting the air out of the fuelling system for engine stop due t...

Page 35: ...of the automatic shutdown or alarm lamp flashing turn off the engine and investigate the trouble shown by alarm lamp Protection Feature List indicates the automatic activation No Action Abnormality EL...

Page 36: ...er diameter as connecting hose The fuel level in the external fuel tank should be 0 to 3m higher than the bottom of the equipment Otherwise it may cause engine malfunction or stoppage To avoid any lea...

Page 37: ...til the engine cools down before performing any checks Caution Fire Always wipe any drip of fuel or oil Do not use this equipment when a Leak is found Repair the equipment before use To optimize the u...

Page 38: ...in water from Fuel Tank Clean water separator and clean Gauze Filter in Engine Feed Pump Clean Change filter in the Magnet Pump for air extraction in fuel line Replace Clean inside Fuel Tank Leak chec...

Page 39: ...king Engine Oil 2 Oil Filter Change Drain the engine oil fully as described in 1 CHANGE ENGINE OIL Loosen and remove the oil filter using an oil filter wrench Smear a little engine oil on the rubber g...

Page 40: ...frequently if the equipment used in dusty environment Element Part No Isuzu Part No 9142151351 Clean Air Filter Element Dried contaminants adhered Blast the compressed air to Element from inside Carb...

Page 41: ...he Filter Apply little amount of the diesel fuel onto new Fuel Filter Gasket Tighten the Fuel Filter using finger until the filter gently seated to the bracket Then tighten the Filter 2 3 rotation usi...

Page 42: ...er the lever in order to catch spilled fuel when loosing the lever Extract the air in fuel line after Gauze Filter washing finishes Refer to 9 2 During Operation Ensure that there is no fuel leakage a...

Page 43: ...lter Reinstall a replacing Filter in the reverse order Caution Put a tray under the lever in order to catch spilled fuel when changing Filter Extract the air in fuel line after filter changing finishe...

Page 44: ...he Sub Tank Stay and drain coolant in the Sub Tank Reinstall the Sub Tank and fill coolant up to FULL level Fill coolant into Radiator up as far as the water inlet level Tighten the Radiator Cap Reins...

Page 45: ...e cools down before performing any checks Caution Fire Always wipe any drip of Diesel fuel or oil Do not use this equipment when a leak is found Repair the equipment before use 1 Storage Procedures If...

Page 46: ...uide contact our authorized distributor or our engineering section to request the repair Danger Injuries If you have to stack two generators at warehouse always proceed with the following steps Ensure...

Page 47: ...ient temperature falls down below zero 1 Fuel is frozen 2 Water in fuel line is frozen 3 Pre heater is defective 1 Use winterized fuel 2 Drain water in fuel line 3 Ask our distributor to repair Engine...

Page 48: ...se the protective device Pointer hand does not goes up to the rated voltage 1 Voltage meter is defective 2 AVR is defective 3 Voltage regulator dial is defective 4 Frequency is low 1 Ask our distribut...

Page 49: ...47 13 Generator Circuit Diagram...

Page 50: ...48 14 Engine Circuit Diagram...

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Page 52: ...1 2013...

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