2 Pub. No. 2200772355 — October 2006GENERAL INFORMATIONQuincy QPNC-10 to QPNC-50 Dryers are designed tocool with direct expansion and dry evaporators. Air to bedried is sent to the heat exchanger in which the watervapor present is cooled and condensed. The condensategathers in the separator and is discharged through anauto drain.When properly installed, the unit requires littlemaintenance or adjustment.This manual contains important safety information. ReadTHOROUGHLY and follow the Safety Instructions providedin this manual and posted on the unit. Keep this manualnear the unit and in a safe place. Replace this manual if itbecomes torn or dirty and cannot be properly used.Please read the Installation Instructions and Start-Up andOperation sections of this manual before attempting tooperate the unit.Please read the Maintenance and Troubleshootingsections of this manual before beginning any maintenanceor service work on this unit.INSPECTIONInspect equipment. Any concealed shippingdamage must be reported to the carrierimmediately. Damage claims should be filed bythe consignee with the carrier.To provide safe, breathable air, compressor must becapable of producing at least Grade D breathing air asdescribed in Compressed Gas Association CommoditySpecification G7.1-1966. Special filtering, purifying andassociated alarm equipment must be used to convertcompressed air to “Breathing Air.” Other specialprecautions must also be taken.Refer to OSHA 29 CFR 1910.134.DISCLAIMER OF WARRANTYIf this unit is used to produce breathing air, the specialequipment and precautions expressed in OSHA 29 CFR1910.134 for specifications of the necessary equipmentand special precautions to make Breathing Air MUST BEused or any warranties are VOID and manufacturerdisclaims any liability whatsoever for loss, personal injuryor damage.SAFETY MESSAGESDO NOT install, operate, maintain, adjustor service this unit without thoroughlyreading this manual.Cut the metal strapping carefully to preventinjury. The packing material (plastic bags,polystyrene foam, nails, screws, wood,metal strapping, etc.) must not be left withinthe reach of children or abandoned in theenvironment, as they are a potential sourceof danger and pollution. Dispose of thesematerials in approved collection centers.Air from compressor and from Quincy AirDrying System, as equipped, is not safefor human respiration (breathing).• This dryer has been built to dry com-pressed air for industrial use. The dryercannot be used in premises where thereis a risk of fire or explosion or wherework is carried out which releases sub-stances into the environment which aredangerous with regard to safety (forexample: solvents, inflammable vapors,alcohol, etc.).• This appliance must be used only for thepurpose for which it was specificallydesigned. All other uses are to be consid-ered incorrect and unreasonable. Themanufacturer cannot be held responsiblefor any injury or damage resulting fromimproper, incorrect or unreasonable use.