GEA Bock HG66e Series - 4 Areas of Application; Refrigerants; Oil Charge; Limits of Application

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4 | Areas of application
ATTENTION Compressoroperationispossiblewithintheoperatinglimits.
ThesecanbefoundinGEABockcompressorselectiontool(VAP)
undervap.gea.com.Observetheinformationgiventhere.
-Permissibleambienttemperature(-20°C)-(+60°C)
-Max.permissibledischargeendtemperature140°C.
-Max.permissibleswitchingfrequency12x/h.
-Aminimumrunningtimeof3min.steady-statecondition
(continuousoperation)mustbeachieved.
Foroperationwithsupplementarycooling:
-Useonlyoilswithhighthermalstability.
-Avoidcontinuousoperationnearthethreshold.
-Additionalfans(accessories)canbeusedforadditionalcooling.
Foroperationwithcapacityregulator:
- Continuousoperation,whenthecapacityregulatorisactivated,
isnotpermissibleandcancausedamagetothecompressor.
-Thesuctiongassuperheattemperaturemayneedtobereduced
orsetindividuallywhenoperatingneartothethreshold.
-Whenthecapacityregulatorisactivated,thegasvelocityinthe
systemcannotundercertaincircumstancesensurethatsuf-
cientoilistransportedbacktothecompressor.
Foroperationwithfrequencyconverter:
-Themaximumcurrentandpowerconsumptionmustnotbe
exceeded.Inthecaseofoperationabovethemainsfrequency,
theapplicationlimitcanthereforebelimited.Max.60Hz.
When operating in the vacuum range, there is a danger of air
enteringonthesuctionside.Thiscancausechemicalreactions,
apressureriseinthecondenserandanelevatedcompressed-gas
temperature.Preventtheingressofairatallcosts!
4.3 Limitsofapplication
 Thecompressorsarelledatthefactorywiththefollowingoiltype:
- für R134a, R404A/R507, R407C, R407F FUCHS Reniso Triton SE 55
- für R22 FUCHS Reniso SP 46
Compressors with ester oil charge (FUCHS Reniso Triton SE 55) are marked with an X in the type
designation (e.g. HGX66e/2070-4).
4.1 Refrigerants
• HFKW / HFC: R134a, R404A/R507, R407C, R407F • (H)FCKW / (H)CFC: R22
4.2 Oilcharge
INFO
Forrefilling,werecommendtheaboveoiltypes.
Alternatives:seelubricantstable,Chapter7.4
ATTENTION The oil level must be in the
visiblepartofthesightglass;
damage to the compressor is
possibleifoverfilledorunder-
filled!
Max.
Min.
1,9 Ltr.
Oil level
Fig. 3
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