Egcon GCU DG4 User Manual

Generator control unit

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for Generator Control Unit

Ⓡ

GCU

(GENERATOR CONTROL UNIT)

◈

1. Outline .......................................................................................

2. Product Features ........................................................................

3. Specification and Functions ........................................................

4. Conditions of Use ......................................................................

5. Functions of Control Switches .....................................................

6. Structure ....................................................................................

7. Preparations before Use .............................................................

8. Regulator ................................................................................... 12

9. Connection sockets and capacity ................................................ 14

10. Signals and Marks .................................................................... 14

11. Manual Operation ..................................................................... 15

12. Automatic Operation ................................................................. 15

13. Engine Generator Protection Device Operation Test ( Identical for

Both Manual and Automatic Operation ) ................................... 16

14. Modification of Environment Settings ......................................... 18

15. List of Option Settings ............................................................. 19

16. Specification Table for GCU-DG4 Compatible Gauge Sensor ...... 26

17. Number of Ring Gears in Major Engines in the World ............... 26

18. Cause of Breakdown and Solutions ........................................... 27

ENGINE GENERATOR CONTROL ENTERPRISE

EGCON CO., LTD

http://www.egcon.co.kr

TEL: 032-677-9806

MODEL : DG4

FAX: 032-677-9807

Written in Feb, 2010

◈

sales@egcon.co.kr

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Page 1: Table Of Contents
16. Specification Table for GCU-DG4 Compatible Gauge Sensor ..26 17. Number of Ring Gears in Major Engines in the World ....26 18. Cause of Breakdown and Solutions ........... 27 ENGINE GENERATOR CONTROL ENTERPRISE EGCON CO., LTD http://www.egcon.co.kr sales@egcon.co.kr TEL: 032-677-9806...
Page 2 GCU -DG4 Manual EGCON CO., LTD Cautions for your safety Please be well informed of user’s manual and drawings of the product in order to operate safely 2. Please follow all safety instructions to prevent potential accidents and dangers 3. There are two types of cautions; “Warning” and “Caution”, where each meaning are as follow:...
Page 3: Outline
GCU -DG4 Manual EGCON CO., LTD 1. Outline GCU-DG4 is a diesel engine generator controller with digital instrumentation function and digital protective relay. 2. Product Features 2.1. Increased visibility with larger display 2.2. Easy to use with simplified and condensed setting 2.3.
Page 4: Functions Of Control Switches
GCU -DG4 Manual EGCON CO., LTD 5. Functions of Control Switches (1) Meter Order R-S : Shows R-S line voltage when light is on R-S : Shows R-N phase voltage when light is on Shows R phase current when light is on...
Page 5 GCU -DG4 Manual EGCON CO., LTD (2) Operation Switches (3) Setup Switches Sets automatic operating mode Stop mode and manual mode. You can (When the button is pushed the light change settings when generator turns on and sets to automatic mode) stopped.
Page 6 GCU -DG4 Manual EGCON CO., LTD (4) Engine Gauge (5) Lamp Control Power : Light Turns on upon DC power input Automatic Light turns on when commercial Signal : power is normal. Flicker is on Oil Pressure Gauge (OPG) during waiting time for starting and cooling-off period.
Page 7 GCU -DG4 Manual EGCON CO., LTD 6. Meter Display 1. Version Display 2. Display is on for 5 sec with buzzer sound upon input of power(BP+, BP-), then goes to the initial display. 1. Initial display 1. Displays R-S phase voltage. S phase current and frequency of generator.
Page 8 GCU -DG4 Manual EGCON CO., LTD 1. Displays line voltage of generator. 1. Displays phase voltage of generator. 1. Displays current of generator.
Page 9 GCU -DG4 Manual EGCON CO., LTD 1. Displays current of generator. 1. Displays speed of revolution, operation hours of the generator and battery's voltage. 2. Every number in First decimal place of the operation hours indicates 6 min. 3. Pressing <UP> button takes to the prior display.
Page 10: Structure
GCU -DG4 Manual EGCON CO., LTD 7. Structure 7.1. Dimension : W240 * H172 * D58 (mm). 7.2. Cut-out : W211 * H162(mm) 7.3. Mounting Holes : W226 * H60(mm), 6pi -4H 7.4. Weight : About 1.2kg (including case) 7.5. Outward drawing 8.
Page 11 GCU -DG4 Manual EGCON CO., LTD  Voltage of power supply and current has to be identical to avoid voltage indication error. Warning  CNT socket need not be connected when directly inputting commercial power for detection of power outage signal.
Page 12: Regulator
GCU -DG4 Manual EGCON CO., LTD ▶ Settings [1. ENGINE SET Switch] --> [ 5. OTU ] : Whether to use oil temperature gauge [ 6. COM PWR ] : Whether to directly connect commercial power [ 7. Method of detecting generator speed ] : VOLT, MPU...
Page 13 GCU -DG4 Manual EGCON CO., LTD 9.3. CT Settings ● When using 1000/5 : Set CT Ratio 1 - 2, CT Ratio 2 - 0, CT Ratio 3 - 0 by dividing 1000 by 5. ● When using 300/5 CT : Set CT Ratio 1 - 0, CT Ratio 2 - 6, CT Ratio 3 - 0 by dividing 300 by 5.
Page 14 GCU -DG4 Manual EGCON CO., LTD 9.5. RUN SET DIP S/W Order ○ ○ 5 Sec Waiting time for ○ ● 10 Sec ● ○ 15 Sec start stabilization ● ● 20 Sec ○ ○ OSS-T(Over Speed) Breakdown Test ○...
Page 15: Signals And Marks
GCU -DG4 Manual EGCON CO., LTD 11. Signals and Marks  GCU : GENERATOR CONTROL UNIT  MPU : MAGNETIC PICKUP  ETS : Supplying power to solenoid when stopped  RPM : Rotating speed indicator  ETR : Supplying power to solenoid when in operation ...
Page 16: Engine Generator Protection Device Operation Test(Identical For Both Manual And Automatic Operation)
GCU -DG4 Manual EGCON CO., LTD 13.2 When commercial power is in outage engine (CNT socket CLOSE) operates after waiting time for the start. 13.3 When commercial power is in outage and it is returned before SDT time, engine will not start and SDT time will be initialized.
Page 17 GCU -DG4 Manual EGCON CO., LTD 3) Ground OPS socket. 4) Low oil pressure lamp will blink during the setting time and after the setting time oil pressure lamp will be on, buzzer will sound and engine will stop. 5) Press buzzer stop and RESET.
Page 18: Modification Of Environment Settings
GCU -DG4 Manual EGCON CO., LTD 14.8 The rest failure tests are similar as above. 15. Modification of Environment Settings 15.1. Change of Environment Setting Mode 1. Press PRG button when generator(in stop mode or manual mode) is stopped. 2. Takes you settings mode.
Page 19 GCU -DG4 Manual EGCON CO., LTD 15.2. Description of Environment Settings 1. Over speed setting menu 2. Number 2100 will blink in the second line of the display when pressed <ENT>. 3. Change setting value by using <UP> and <DOWN>.
Page 20 GCU -DG4 Manual EGCON CO., LTD 1. Over current setting menu. 2. Number 180 will blink in the second line of the display when pressed <ENT>. 3. Change setting values by using <UP> and <DOWN>. 4. Press <ENT>. 5. Number 5 in the third line of the display will blink.
Page 21 GCU -DG4 Manual EGCON CO., LTD 1. Over current setting menu 2. Number 180 will blink in the second line of the display when pressed <ENT> 3. Change setting values by using <UP> and <DOWN> 4. Press <ENT> 5. Number 5 in the third line of the display will blink.
Page 22 GCU -DG4 Manual EGCON CO., LTD 1. Number of gears setting menu 2. Number 121 will blink in the second line of the display when pressed <ENT> (10) 3. Change setting values by using <UP> and <DOWN> 4. Changed setting will be saved when pressed <ENT>.
Page 23 GCU -DG4 Manual EGCON CO., LTD 1. Coolant failure detection method setting menu 2. < > will blink in the second line of the display when pressed <ENT> 3. Change setting values by using <UP> and <DOWN> (13) 4. Changed setting will be saved when pressed <ENT>.
Page 24 GCU -DG4 Manual EGCON CO., LTD 1. Oil pressure gauge value revision setting 2. Number 0 will blink in the second line of the display when pressed <ENT> (16) 3. Change setting values by using <UP> and <DOWN> 4. Changed setting will be saved when pressed <ENT>.
Page 25 GCU -DG4 Manual EGCON CO., LTD (19) 1. Menu used when testing in the factory 1. Menu used when testing in the factory 1. Commercial power low voltage setting menu 2. Number 170 will blink in the second line of the display when pressed <ENT>...
Page 26 GCU -DG4 Manual EGCON CO., LTD 1. Commercial power low voltage setting menu 2. Number 170 will blink in the second line of the display when pressed <ENT> (21) 3. Change setting values by using <UP> and <DOWN> 4. Changed setting will be saved when pressed <ENT>.
Page 27: Specification Table For Gcu-Dg4 Compatible Gauge Sensor
GCU -DG4 Manual EGCON CO., LTD 16. Specification Table for GCU-DG4 Compatible Gauge Sensor VDO OPU Dongnam Corp. - WTU,OTU Impedance Value( ) Ω Temp.℃ Impedance Value( ) Ω 10.00 170.00 27.00 135.00 44.00 110.00 61.00 92.00 78.00 78.00 95.00 66.00...
Page 28: Cause Of Breakdown And Solutions
GCU -DG4 Manual EGCON CO., LTD 18. Cause of Breakdown and Solutions Symptom Cause Solution DC circuit breaker is open Close DC circuit breaker DC fuse is disconnected Replace fuse with the same capacity When there is no power (No...

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