GEA Bock HGZ Series - Oil Sump Heater (Accessories)

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09726-09.2013-DGbF
6| Electrical connection
6.7 Oil sump heater (accessories)
Whenthecompressorisatastandstill,refrigerantdiffusesintothelubricationoilofthecompressor
housing,dependingonpressureandambienttemperature.Thisreducesthelubricationcapacityof
theoil.Whenthecompressorstartsup,therefrigerantcontainedintheoilevaporatesoutthroughthe
reductioninpressure.Theconsepuencescanbefoamingandmigrationoftheoil,causingoilshocks
undercertaincircumstances.
Operation:Theoilsumpheateroperateswhenthecompressorisatastandstill.
Whenthecompressorstartsup,theoilsumpheatingswitchesoff.
Connection:Theoilsumpheatermustbeconnectedviaanauxiliarycontact(orparallelwired
auxiliarycontact)ofthecompressorcontactortoaseparateelectriccircuit.
Electricaldata:230V-1-50/60Hz,140W.
ATTENTION! The oil sump heater must not be connected to
the electrical circuit of the safety control chain
Fig.30
Anschlussschema für Ölsumpfheizung
Connection diagramm for oil sump heater
Plan de raccordement pour résistance de carter d‘huile
09983- 10.01-DGBF
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