Name: GEA Bock HGZ7 Series
Brand: GEA Bock
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09726-06.2018-DGbF

6| Electrical connection

ThecompressorandthetriggerunitMP10areoperationalwhentheH3LED(green)lights.

6.6 Function test of the trigger unit MP10

Pos

Procedure

LED H1 LED H2 LED H3

red red green

• Interrupt power supply (L1 or S1) OFF OFF OFF

• Releasethemotortemperaturesensorconnection(1or2)

• Releasethehotgastemperaturesensor(ifinstalled)(3or4)

• Restore the power supply (L1 or S1) ON

• Functioncheckofmotortemperaturesensor:operational ON

• Functioncheckofhotgastemperaturesensor:operational ON

• Interrupt power supply again (L1 or S1) OFF OFF OFF

• Reconnectterminals1or2and/or3or4

• Restore the power supply (L1 or S1): 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:

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GEA Bock HGZ7 Series Specifications

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