GEA Bock HG66e Series - Extract from the Lubricants Table; Additional Information When Using Flammable Refrigerants

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9 | Maintenance
9.5 Decommissioning
Close the shut-off valves on the compressor. Drain the refrigerant (it must not be discharged into the
environment) and dispose of it according to the regulations. When the compressor is depressurised,
undo the fastening screws of the shut-off valves. Remove the compressor using an appropriate hoist.
Dispose of the oil inside in accordance with the applicable national regulations.
9.4 Extractfromthelubricantstable
Theoiltypelledasstandardinthefactoryismarkedonthenameplate . Thisoiltypeshouldbe
used as a preference. Alternatives are stated in the extract from our lubricants table below.
Donotmixoilswitheachother,useonlyonetypeofoil.
Refrigerants Bockstandardoiltypes
Recommended alternatives
HFC
(e.g. R134a, R407C,
R404A)
FuchsRenisoTritonSE55
Fuchs Reniso Triton SEZ 32
Esso/Mobil EAL Arctic 46
Sunoco Suniso SL 46
Texaco Capella HFC 55
HFO (e.g. R1234yf,
R1234ze, R455A,
R454C))
FuchsRenisoTritonSE55
FuchsRenisoC85E(from t
O
> 15°C)
---
HCFC (e.g. R22)
FuchsRenisoSP46
Fuchs Reniso SP 32
BP Energol LPT 46
Sunoco Suniso 3,5 GS
Texaco Capella WF 46
HC (e.g. R290)
FuchsSynth68
CPI 1516-68
9.6 Additionalinformationwhenusingammablerefrigerants
WARNING •Duringmaintenanceandrepair,itmustbenotedthathydrocarbon
 and synthetic HFO refrigerants residues may dissolve in the
oil. Therefore,electricaltestsmust not be conducted while oil
remainsinthecompressor.
•If the compressor is to be removed from the system for
maintenance or repair, the remaining refrigerant must be
suctioned out and the compressor evacuated. The compressor
must then be filled with nitrogen (max. 0.5 bar) and sealed
gas-tight.