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1

1. OPERATION

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2

2. MAINTENANCE

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9

3. TROUBLE SHOOTING AND REMEDY

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11

4. INSTRUCTION FOR CONTROL PANEL FUNCTION AND OPERATION MANUAL

.............................12

5. TECHNICAL DATA

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14

6. WARRANTY

.............................................................................................................................................15

INDEX

1. OPERATION

NOTES FOR DIESEL GENERATOR SET OPERATION

Before operating diesel generator, please read the manual. Especially following points should be 
paid attention to for preventing the accident happened. 
 

Preventing the fire

The engine fuel is light diesel. It is forbidden to adopt gasoline and kerosene etc. When the oil 
overflows, please use clean cloth to remove the oil. It is not permitted to have diesel generator 
near to gasoline, kerosene, match and inflammable material, because the temperature around 
the muffler is very high when the engine is operated. For the sake of better ventilation during 
the generator operation, the distance between diesel generator and the building should be 
more than 1.5 meters. The diesel generator should be operated on plain ground. Otherwise, 
the oil will overflow from diesel generator. 

Preventing the suction of exhaust gas

For avoiding exhaust gas sucked by the person, the diesel generator will be not allowed to 
work under condition of worse ventilation, because exhaust gas emitted from the engine 
includes harmful CO.

Preventing the damage by high-temperature parts

When diesel engine is working, it is not allowed to touch high-temperature parts, such as 
muffler and its shell etc. 

Preventing the electric shock or short circuit

For avoiding the shock by electricity or short circuit, it is forbidden to touch with hand the 
alternator when working. Do not operate the generator in raining or foggy. 
For preventing the shock by electricity, the grounding should be made with adoption of the 
wire, which of one end is connected with the grounding terminal of the generator and another 
end is connected with the device outside. The grounding terminal of the generator is on con-
trol panel, shown in Fig. 2-1.

Other safety points

It is very important to know how to stop the generator and the functions of all switches. The 
untrained person is not permitted to operate the generator. The operator should wear safe 
clothes and shoes during working. 

Charging the accumulator

The diesel generator has automatic charging function. The electrolytic liquid of the accumula-
tor contains the sulfuric acid. For protecting the human being, should make suitable protection 
measurement. 
As the hydrogen resulting from the accumulator is of easy explosive gas, do not smoke when 
charging. It is not also permitted to make the spark around the accumulator. 
Be sure that there is better ventilation for charging.

REMARK: It is not permitted to smoke or make the spark when filling in or at fuel storage. 
During adding the fuel, overflowing should be prevented. After completion of filling oil, should 
firmly retighten the tap of fuel tank. 

Instruction of oil- water separator 

When the diesel includes the water, the diesel generator is fit with oil/water separator to 
remove the water. Only screw down the tap of the separator with left direction to drain off the 
water, shown in Fig. 2-3

REMARK: After the water is drained off, must screw in the tap in right direction to avoid the 
diesel leakage. 

Filling in lube oil

- Lube oil quality
The qualified lube oil should meet following condition.

ACEA-B2/E2 or higher-grade specification 

API-CD/CE/CF-4/CG-4 or higher-grade specification 

Lube oil viscosity

Select lube oil viscosity based on ambient temperature when starting at cold temperature.
It is very important to select the applicable engine oil for keep up the performance and life of 
the generating set. If inferior engine oil is used, or if your engine oil is not replaced periodically, 
the risk of piston seizure, piston ring sticking and accelerated wear of the cylinder liner, bea-
ring and other moving components increases significantly. So the generating set life will be 
shortened. We recommend CC/CD oil classified by API. Choose the applicable viscosity oil 
according to the local ambient temperature. 

Interval for changing lube oil
When use inferior engine oil, the interval for changing lube oil will be shortened to every 150 
hours running.

Lube oil level of engine

 

Summary of Contents for DAGFS-15AC

Page 1: ...Manufactured under license of Daewoo International Corporation Korea www daewoopowerproducts com USER S MANUAL DAGFS 15AC Silent diesel generator...

Page 2: ...1 1 OPERATION 2 2 MAINTENANCE 9 3 TROUBLE SHOOTING AND REMEDY 11 4 INSTRUCTION FOR CONTROL PANEL FUNCTION AND OPERATION MANUAL 12 5 TECHNICAL DATA 14 6 WARRANTY 15 INDEX...

Page 3: ...f exhaust gas For avoiding exhaust gas sucked by the person the diesel generator will be not allowed to work under condition of worse ventilation because exhaust gas emitted from the engine includes h...

Page 4: ...harging REMARK It is not permitted to smoke or make the spark when filling in or at fuel storage During adding the fuel overflowing should be prevented After completion of filling oil should firmly re...

Page 5: ...antly So the generating set life will be shortened We recommend CC CD oil classified by API Choose the applicable viscosity oil according to the local ambient temperature Interval for changing lube oi...

Page 6: ...per to take out the cover of air cleaner for getting the element shown in Fig 2 5 Remark 1 It is forbidden to clean the element with detergent 2 When output power drops or exhaust gas is black should...

Page 7: ...d correctly to prevent the shock by electricity The fuel and lube oil have been removed prior to delivery When filling in the fuel should check whether there is the air in the piping before starting I...

Page 8: ...ause the motor to be blocked During the operation let the key be in ON position 6 If the control panel is intelligent type also please refer to its manual When it is difficult to start the engine in c...

Page 9: ...ncy and power will be lower than rated limit shown in 1 1Main technical specification and data C When voltage indicating on control panel reaches 10 of rated limit can add the load D Following table s...

Page 10: ...on of the generator is of better ventilation because engine exhaust includes harmful CO After stopping the generator clean it immediately to prevent the corrosion and to remove the sediment interva l...

Page 11: ...due to charging and discharging continuously Check the accumulator before starting The distillatory water can be added to stipulated limit if necessary If the accumulator is damaged exchange it in ti...

Page 12: ...Set control rod to RUN position Check lube oil lever The level between upper mark H and lower mark L Dirt on the nozzle Clean the nozzle No electricity in accumulator Charge or change the accumulator...

Page 13: ...starter key from OFF to ON position to power on the controller then change the starter key position to START to begin cranking after the engine fires release the starter key and voltage power and fre...

Page 14: ...ad to shut down AUTO PROTECTION In auto protection mode except for low oil pressure protection all the other protections volta ge frequency overload temperature are active 1 Voltage protection When th...

Page 15: ...is running If battery voltage value is lower than 8V or higher than 16 5V LED display or indicator starts flashing butshutdown protection is not initiated NOTE During Safety On delay protection is di...

Page 16: ...LTD are complying the rules of Machinery Directive EN 60204 1 2018 EN ISO 12100 2010 EN ISO 8528 13 2016EN 55012 2007 A1 2009 EN IC 61000 3 2 2019 EN 61000 3 3 2013 A1 2019 EN 55012 2007 A 1 2009 The...

Page 17: ...ngs Also the warranty does not cover failure of the automatic voltage regulator due to incorrect operation Failure caused by clogging of the fuel and cooling systems Wearing parts carbon brushes belts...

Page 18: ...www daewoopowerproducts com Manufactured under license of Daewoo International Corporation Korea...

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