GEA CAIRfricostar - CS Klimateknik

GEA CAIRfricostarMaintenanceUnit componentUnit(see page 54)Beltdrivenfan units(see page 55ff)Directdrivenfan units(S. page 58)Basic requirementsfor allfilters(see page 58)Bag/panel/fine-dust filters(see page 59)Other filtersHeater unit(L.P.H.W. seepage 60)Electric heaterunit(see page 60)Tab. 9-2Interval(months)Procedure1 month • Clean and refill existing siphons.3 months • Check casing for damage/firm seating.• Check/renew seals on all service openings.• Check panels for damage and corrosion, renew corrosion protection and checkfunction of door safety catch (on discharge side).• Hygiene inspection (we recommend the maintenance steps and intervalsspecified in VDI 6022!): Check built-in parts for contamination and clean ifnecessary; carry out wipe disinfection; check sealing materials for microorganismsand fungi, clean/replace if necessary.3 months • Check fan/motor mountings, also check for dirt, damage and corrosion.• Check that anti-vibration mounts are functioning correctly.• Check that belt guards are functioning correctly, clean if necessary.• Check impeller for out of balance.• Check V-belt for tension and wear and tear; tension or replace if necessary – fordescription see page 57ff.• Check fan/motor for noise in bearings, replace bearings if necessary.• Observe recommended lubrication interval for fan bearings without lifetimelubrication (see Table 9-5 on page 58).3 months • Check motors for dirt, damage and corrosion, also check mountings.• Check motors for noise in bearings, replace bearings if necessary.• Check impeller (welded seams in particular) for cracks; replace bearings ifnecessary.3 months • Check filters for dirt, damage and smells.• Clean filter section.6 months • Check whether the maximum permissible pressure differential (see RLT 01Guideline, for example) or pressure differential specified by the manufacturerhas been exceeded; if so, replace the filter.at leastevery6-9 months• Hygiene inspection (we recommend the maintenance steps and intervalsspecified in VDI 6022!): Even if the filter shows no visible signs of contamination,fungi and micro-organisms may have grown through the filter as a result of longtermuse (in air with low dust content).continuous • Replace the filter when the maximum pressure differential is reached.measuringreplaceevery 3monthsRefer to the relevant documentation providing information on maintenance.6 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 precaution 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.6 months • Dry clean on air side.✓PR-2006-0019-GB • Subject to modifications • Status 05/2009 53