GEA Bock HGZ Series - Installation Of The Liquid Subcooler System (Standard Design)

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5.2 Installationoftheliquidsubcoolersystem (standardversion)
Separatelyenclosedcomponents:
Liquidsubcooler
Reinjectionvalve
Solenoidvalve
Filterdrier
2 sightglasses
Screw-insleeve,solderadapterandseals
Pleasecheckforcompletenessofpartsbeforebeginninginstallation.
INFO! Observe manufacturer‘s instructions!
Assembly:
INFO! The points listed here represent general guidelines and information
onhowtopipeandconnectthesubcoolerunit.Toperformthiswork
technicalknowledgeandskillaswellasproofofahard-soldering
testcerticateinaccordancewithDINEN13133isrequired.
Pipe connections:
Forconnections,seedimensiondiagram Chapter 10.
Systemdesign,pipingandnecessarysupportpointsfortheindividualcomponents
mustbecarefullyplannedandcarriedout.
Properlyinsulateliquidsubcooleragainstcondensationandheatingandtherelated
lossofperformance.
Forrigidityreasons,theuseofstainlesssteelpipeswithawallof1mmispreferred.
Thepipesmustbefreeoftensionduringandaftersolderingtopreventpossible
breakslateron.
INFO! Useonly suitablehard solder and ux.Solder under an inert gas
atmosphere when copper components are to be soldered! The
accompanying expansion valve is designed and adjusted for the
compressor and the listed refrigerant (sensor charge, nozzle).
OnlyuseexpansionvalvesapprovedandsuppliedbyBock!
INFO! The intermediate pressure line and intermediate pressure chamber
are fully insulated at the factory. To mount the expansion valve,
cuttheinsulationasshowninthemarkedareainFig.17,page16.
Correctsensor placementismarkedbyanunpaintedareaonthe
pipe.
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ATTENTION! To avoidvibrationcracksinthesubcoolersystem,theindividual
components must be mounted directly to the compressor or
installed as a decoupled unit!
5| Compressor assembly
Fig.18