GEA Bock HGX34e/380-4 - Trigger Unit Functionality Testing; MP10 and INT69 G Test Procedures

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5| Electrical connection
ThecompressorandthetriggerunitMP10areoperationalwhentheH3LED(green)lights.
5.6 Function test of the trigger unit MP10
Pos
Procedure
LED H1 LED H2 LED H3
red red green
1
• Interrupt power supply (L1 or SF1) OFF OFF OFF
• Releasethemotortemperaturesensorconnection(1or2)
• Releasethehotgastemperaturesensor(ifinstalled)(3or4)
2
• Restore the power supply (L1 or SF1) ON
• Functioncheckofmotortemperaturesensor:operational ON
• Functioncheckofhotgastemperaturesensor:operational ON
3
• Interrupt power supply again (L1 or SF1) OFF OFF OFF
• Reconnectterminals1or2and/or3or4
4
• Restore the power supply (L1 or SF1): OFF OFF ON
• MP10isoperationalagain
Beforestart-up,troubleshootingormakingchangestothecontrolpowercircuit,checkthefunctionality
ofthetriggerunit: