GEA CAIRfricostar - CS Klimateknik

MaintenanceGEA CAIRfricostarUnit componentCooler unit(see page 60)Evaporator/condenser(see page 61)Heat pipe(see page 61)Liquid-coupledsytem(see page 61)Plate-typeheatexchanger(see page 61)Dampers andshut-offdampers(see page 62)Soundattenuator(see page 62)Tab. 9-2Interval(months)Procedure6 months • Check for tightness and for possible contamination on the air side.• If there is a risk of frost, also check the safety devices regularly, or takeappropriate precautionary measures such as draining the equipment or addingantifreeze.• Check that pipe connections and mountings are secure.• Clean air side if necessary (blow through heat exchanger using compressed airor low pressure water).• Bleed.• Clean condensate tray/drain.• Check siphon, top up as necessary.• Clean droplet eliminator with descaling spray.beforeeach winter• Drain cooler coil before winter beginning if necessary.6 months • Clean and check evaporator/condenser.• Make sure that all refrigeration components in direct evaporators (refrigerationunit, direct evaporator, distribution manifold, refrigerant lines, etc.) are workingefficiently.6 months • Clean the heat transfer fins.• Clean condensate tray/drain.• Check siphon, top up as necessary.• If a heat pipe with bypass is used, check the air control and shut-off dampers.6 months • Carry out tasks specified under “Cooler with/without droplet eliminator”(interval – 12 months).6 months • Carry out cleaning depending on the type of contamination in the plate block.• Check the function of the bypass damper if necessary.• Wet cleaning may only be carried out if a tray has been installed!• Remove oil and fat deposits.3 months • Vacuum clean dampers (blow out), never apply grease!• Detach the drive from dampers and check them for ease of movement.• Check that the drive (damper actuator) reaches its end positions.6 months • Check the sound attenuating chamber and sound insulating splitters forcontamination, clean if necessary.✓9.3 General unit-related instructionsELECTRICAL HAZARD AND DANGER FROM ROTATING UNIT PARTS! OB-SERVE PERSONAL PROTECTION MEASURES!In this connection make sure to observe the safety information on page 50.NOTE!Perform intense cleaning if air is salty or/and agressive.54 PR-2006-0019-GB • Subject to modifications • Status 05/2009