2Unit Design — Copper tube, enhancedsine wave aluminum fin coil isdesigned for optimum heat transfer.Vertical air discharge carries sound andhot condenser air up and away fromadjacent patio areas and foliage. Heatpump style drain pan allows for easyremoval of water, dirt, and leaves.Application Versatility — The unitcan be combined with a wide variety ofevaporator coils and blower packagesto provide quiet, dependable comfort.Unit can be installed on a roof or atground level.External Service Valves — Servicevalves are brass, front seating type. The38CKC has sweat field connections.Valves are externally located sorefrigerant tube connections can be madequickly and easily. Each valve has aservice port for ease of checkingoperating refrigerant pressures.Easy Serviceability — One panelprovides access to electrical controlsand compressor. Removal of wiredome gives access to fan motor andremoval of the top gives access to thecoil.Compressor Protection — Eachcompressor is protected with internaltemperature- and current-sensitiveoverloads.Limited Warranty — Standard 1-yearwarranty on parts, with a limited5-year warranty on compressor parts.MANUFACTURERCERTIFIEDTOARIASCOMPLYINGWITHAR I STANDARD210UNITARYAIRCONDITIONINGEQUIPMENTREGISTERED QUALITY SYSTEMCERTIFICATION APPLIES ONLYWHEN THE COMPLETE SYSTEMIS LISTED WITH ARI.Model number nomenclatureThe data in this publication is displayed for all series; however, every series may not be available from manufacturer.38CKC 018 3 0 1Electric Air Conditioner PackagingNominal Capacity018 — 18,000 Btuh 042 — 42,000 Btuh024 — 24,000 Btuh 048 — 48,000 Btuh030 — 30,000 Btuh 060 — 60,000 Btuh036 — 36,000 BtuhSeriesElectrical3 — 208-230-15 — 208/230-36 — 460-3