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GCU-20
Automatic Engine Control Unit
WARNING
Disconnect all electric power to the machine before
installation.
Protection Functions
Engine fail to start
Engine tries 3 times to start
Engine Low Oil Pressure Protection
Shutdown activated after 3 seconds
Oil Pressure Switch Type NO or NC
Auxiliary Shutdown
Shutdown activated after 3 seconds delay by NO contact
Engine High Water temperature Protection
Shutdown activated after 3 seconds delay by NO contact
Engine Over-speed Protection
Shutdown activated after 3 seconds
50 Hz activated at 55 Hz – 60 Hz activated at 66 Hz
Engine Under-Speed Protection
Shutdown activated after 5 seconds
50 Hz activated at 45 Hz – 60 Hz activated at 54 Hz
No Speed Signal Present Protection
Shutdown activated after 5 seconds (MPU use only)
Icon Reference Table
ICON
DESCRIPTION
Low Oil Pressure Alarm
Auxiliary Alarm (Flashing)
High Water Temperature Alarm
Over Crank Alarm
Wrong speed Alarm
No Speed Signal Alarm (Flashing)
Engine Running Indicator
Engine IDLE Indicator (Flashing)
Engine Pre-Heat Indicator
ACTION
Shutdown
Shutdown
Shutdown
Shutdown
Pre-Heat
Physical Dimensions
Mounting Pattern
Installing Panel
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Summary of Contents for Kutai electronics GCU-20
- Page 1 GCU-20 Physical Dimensions Automatic Engine Control Unit Mounting Pattern WARNING Disconnect all electric power to the machine before installation. Protection Functions Engine fail to start Engine tries 3 times to start Engine Low Oil Pressure Protection Shutdown activated after 3 seconds...
- Page 2 Adjustable from 0 to 300 sec Function Setting Step 3 ： Run the engine Also In the back, the GCU-20 we have six dip / switches that normally at its rated set specific working parameters. speed. (60 or 50 Hz)
- Page 3 Under 90 % Automatic (Remote Start) Operation Power Consumption Under 3W In the “AUTO” mode, the GCU-20 control module monitors input terminals 8 & 9 for a “REMOTE START” signal. Should Weight 206 g +/- 2% a “REMOTE START” signal be detected a start sequence similar to previous manual start cycle is initiated.
- Page 4 Start Stop Idle Relay Relay Relay Acc. ON Relay Auxiliary SW Remote Annunciator RA-20 Model GCU-20 High Temp. SW Low Oil Lamp Low Oil SW High Temp. Lamp Lamp Test SW Over Crank Lamp Wrong Speed Lamp Engine Run Lamp...
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