User Manual

D
GB
F
E
I
Ru
17
09651-12.2014-DGbFEIRu
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 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:
5.7 Fan motor
The fan motor for cooling the compressor is already wired in the terminal box. The power supply as
well as triggering of the compressor contactor should be made in accordance with the basic circuit
diagram(intheterminalbox).Thefanmotorisprotectedbyaninternaltemperaturemonitor.
Electricaldata:230V-1-50/60Hz,40W-0,3A