GCU-30
Contents
1. AUX Ala a U rm O ae L2 Alternator Charge Alternator Battery Pre Heat _ Fuel Stop Please link to http www kutai com tw for detailed manual2. Energized to Start OFF Energized to Stop e SW 3 Engine Stop Timer Delay ON 20sec OFF 10sec After wiring is completed user should always check and adjust the system setting accordingly to prevent engine from failing to operate Specification ITEM DESCRIPTION Preheat Signal Output 1 2 Amp 12 24VDC FRE TARR o KUTAI ELECTRONICS INDUSTRY CO LTD Headquarters No 3 Lane 201 Chien Fu ST Chyan Jenn Dist Kaohsiung TAIWAN Tel 886 7 8121771 Fax 886 7 8121775 URL http www kutai com tw MANU Operation To initiate a start sequence turn key to Manual Manu position and follow the below steps First Press Pre Heat button when needed the Engine Operating LED shall illuminate and flash The pre heat time is governed by continual holding of the Pre Heat button once button is released the pre heat process is immediately terminated Second Press Start button the starter motor will begin to crank Release the Start button when engine is successfully fired The starter motor crank cycle is governed by continual holding of the Start button once button is released the starter motor will immediately disengage Should GCU 30 operate is determine by the below two conditions when either one condition is established the module will automatically disengage the starter motor to prevent damage caused by the high revving engine operation e Start button released e AC Frequency 18Hz a
3. GCU 30 Manual Key Start Genset Control and Protection Module GCU 30 is a manual key start genset control and protection module suitable for most available genset on the market System Protection Description of each protection condition and manners e High Engine Temperature Protection Failure confirmation delay 3sec Temperature Switch type Normal Open NO e Low Oil Pressure Protection Failure confirmation delay 3sec Oil Pressure Switch type Normal Close NC e Engine Over Speed Protection Failure confirmation delay 3sec 50Hz Activate 55Hz 60Hz Activate 66Hz e User Define Protection Failure confirmation delay 2sec Input contact type Normal Open NO e Charge Alternator Failure Failure confirmation delay 3sec Warning activated when Charge voltage is below Battery 5VDC Warning Icon Reference Table ICON DESCRIPTION ACTION Q Engine Running ca Low Engine Oil Pressure Shutdown High Water Temperature Shutdown to Spare Shutdown Shutdown Charge Alternator Failure Warning Rear Panel Layout GF G amp G HGH GF 3 45 6 7 8 9 10 11 Suggested Panel Opening 66 66 0 5 mm System Setting GCU 30 is equipped with a 3P dip switch for system setting User should select the correct setting to comply with the system specification e SW 1 AC Frequency ON 50Hz OFF 60Hz e SW 2 Engine Stop Mode ON
4. nd above is established Once the engine is successfully fired the module will cancel all protection operations except for User Defined Protection for 20 seconds to enable the engine to build up to the rated operation condition OFF Operation The OFF position places the module into its Stop or Reset mode If the key switch is turned to OFF position during operation the generator will execute engine stop according to the dip switch setting of SW3 Engine Stop Timer Delay Under OFF operation the module will automatically cancel the operation of Start amp Pre Heat button If a failure is detected during operation GCU 30 will execute engine stop immediately to prevent further damage or loss The specific failure warning notice LED will be illuminated once the engine comes to a complete stop and the maintenance personnel can proceed necessary repairing accordingly To reset the warning notice switch the key switch to OFF position Warning Warning 1 If engine Pre Heat is required during the firing of engine user can press Start amp Pre Heat button at the same time The Engine Operation LED will illuminate and flash to warning the user Warning 2 If engine do not correctly fire after releasing the Start button please turn key switch to OFF position and then back to Manu to reengage engine start Standard Wiring Diagram GCU 30 Key Switch Control Module AC 5V 300 V
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