Manual

D
GB
F
E
17
09917-02.2015-DGbFEI
5.7 Oil sump heater(accessories)
ATTENTION! The oil sump heater must generally be connected and operated.
Inordertoavoiddamagetothecompressor,thecompressormustbeequippedwithanoilsump
heater.
Connexion: The oil sump heater must be connected via an auxiliary contact (or parallel wired auxiliary
contact) of the compressor contactor to a seperate electric circuit.
Electrical data: 110 - 240 V - 1 - 50/60 Hz, 50 - 120 W, PTC-heater adjusting.
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: