GEA HGX7 R134a - Oil Sump Heater (Accessories)

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96182-09.2013-DGbFEI
5| Electrical connection
5.9 Oil sump heater (accessories)
Anschlussschema für Ölsumpfheizung
Connection diagramm for oil sump heater
Plan de raccordement pour résistance de carter d‘huile
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ATTENTION! The oil sump heater must not be connected to the electrical circuit
of the safety control chain.
Fig.18
Whenthecompressorisatastandstill,refrigerantdiffusesintothelubricatingoilofthecompressors
housing,dependingonpressureandambienttemperature.Thisreducesthelubricatingcapacityof
theoil.Whenthecompressorstartsup,therefrigerantcontainedintheoilevaporatesoutthroughtthe
reductioninpressure.Theconsequences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compres-
sorstartsup,theoilsumpheaterswitchesoffagainautomatically.
Connection:Theoilsumpheatermustbeconnectedviaanauxiliarycontact(orparallelwiredauxili-
arycontact)ofthecompressorcontactortoaseperateelectriccircuit.
El.data:230V-1-50/60Hz,140W.