Carrier Single-Stage Comfort Series Installation Instructions Manual

Contents

Installation Instructions24AAA5, 24AAA624ABB3, 24ABC624ACA4, 24ACC4Single---Stage Comfort™ Series Air Conditionerswith Puronr Refrigerant1---1/2 To 5 Nominal Tons (Sizes 18 to 60)SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service, maintenance,or use can cause explosion, fire, electrical shock, or otherconditions which may cause death, personal injury, or propertydamage. Consult a qualified installer, service agency, or yourdistributor or branch for information or assistance. The qualifiedinstaller or agency must use factory--authorized kits or accessorieswhen modifying this product. Refer to the individual instructionspackaged with the kits or accessories when installing.Follow all safety codes. Wear safety glasses, protective clothing,and work gloves. Use quenching cloth for brazing operations.Have fire extinguisher available. Read these instructionsthoroughly and follow all warnings or cautions included inliterature and attached to the unit. Consult local building codes andcurrent editions of the National Electrical Code (NEC) NFPA 70.In Canada, refer to current editions of the Canadian electrical codeCSA 22.1.Recognize safety information. This is the safety--alert symbol !!When you see this symbol on the unit and in instructions ormanuals, be alert to the potential for personal injury. Understandthese signal words; DANGER, WARNING, and CAUTION. Thesewords are used with the safety--alert symbol. DANGER identifiesthe most serious hazards which will result in severe personal injuryor death. WARNING signifies hazards which could result inpersonal injury or death. CAUTION is used to identify unsafepractices which would result in minor personal injury or productand property damage. NOTE is used to highlight suggestionswhich will result in enhanced installation, reliability, or operation.! WARNINGELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.Before installing, modifying, or servicing system, mainelectrical disconnect switch must be in the OFF position.There may be more than 1 disconnect switch. Lock out andtag switch with a suitable warning label.EXPLOSION HAZARDFailure to follow this warning couldresult in death, serious personal injury,and/or property damage.Never use air or gases containingoxygen for leak testing or operatingrefrigerant compressors. Pressurizedmixtures of air or gases containingoxygen can lead to an explosion.! WARNINGGENERALNOTE: In some cases noise in the living area has been traced togas pulsations from improper installation of equipment.1. Locate unit away from windows, patios, decks, etc. whereunit operation sound may disturb customer.2. Ensure that vapor and liquid tube diameters are appropriatefor unit capacity.3. Run refrigerant tubes as directly as possible by avoiding un-necessary turns and bends.4. Leave some slack between structure and unit to absorb vi-bration.5. When passing refrigerant tubes through the wall, seal open-ing with RTV or other pliable silicon--based caulk. (See Fig.1.)6. Avoid direct tubing contact with water pipes, duct work,floor joists, wall studs, floors, and walls.7. Do not suspend refrigerant tubing from joists and studs witha rigid wire or strap which comes in direct contact withtubing.(See Fig. 1.)8. Ensure that tubing insulation is pliable and completely sur-rounds vapor tube.9. When necessary, use hanger straps which are 1 in. (25.4mm) wide and conform to shape of tubing insulation. (SeeFig. 1.)10. Isolate hanger straps from insulation by using metal sleevesbent to conform to shape of insulation.INSULATIONVAPOR TUBELIQUID TUBEOUTDOOR WALL INDOOR WALLLIQUID TUBEVAPOR TUBEINSULATIONCAULKAvoid contact between tubing and structureNOTE:THROUGH THE WALLHANGER STRAP(AROUND VAPORTUBE ONLY)JOIST1” (25.4 mm) MIN.SUSPENSIONA94026Fig. 1 -- Piping Installation