GEA HGX7 R134a User Manual

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5| Electrical connection
ThecompressorandthetriggerunitMP10areoperationalwhentheH3LED(green)lights.
5.8 Function test of the trigger unit MP 10
Pos
Procedure
LED H1 LED H2 LED H3
red red green
1
• 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)
2
• 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
3
• Interrupt power supply again (L1 or S1) OFF OFF OFF
• Reconnectterminals1or2and/or3or4
4
• Restore the power supply (L1 or S1): OFF OFF ON
• MP10isoperationalagain
Beforestart-up,troubleshootingormakingchangestothecontrolpowercircuit,checkthefunctionality
ofthetriggerunit:

GEA HGX7 R134a Specifications

General

Brand	GEA
Model	HGX7 R134a
Category	Air Compressor
Language	English