GEA Bock HG44e Series - Oil sump heater at HC and LG compressors; Capacity regulator (Accessories)

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7 | Electrical connection
7.11OilsumpheateratHCandLGcompressors
As the solubility of hydrocarbons and HFO refrigerants in oil can be very high, especially at high
suction pressures, the compressor must be equipped with an oil sump heater.For this reason, a
pump-downcircuitisrecommendedduringstandstilltoreducethesuction-sidestandstillpressures.
ATTENTION Theoilsumpheatermustgenerallybeconnectedandoperated!
•InaTT-orTNsystem,aresidualcurrentprotectiondevice(RCD)
mustbeused.
•
InanITsystem,aninsulationmonitoringdevicemustbeused.
Nationalstandardsandregulationsmustbeobserved.
Compressor Electricaldata
HG44e...HC,HG44e...LG
HG56e...HC,HG56e...LG
230V-1-50/60Hz,160W
7.10Capacityregulator(Accessories)
ATTENTION Afuse(max.3xlBinaccordancewithIEC60127-2-1)corresponding
to the rated current must be placed in front of every magnetic
coilofthecapacityregulatorasshort-circuitprotection.Thera-
tedvoltageofthefusemustbeequaltoorgreaterthantherated
voltageofthemagneticcoil.Theabilityofthefusestoswitchoff
mustbegreaterthanorequaltothemaximumassumableshort-
circuitcurrentattheinstallationlocation.
Capacity regulator DCR14 is not approved for digital capacity
regulationforHCandLGcompressors.