York R-410A Installation Manual

Contents

York R-410A Installation Manual Manual pdf 1 page image

66901 / 035-20393-001 Rev. C (1204)R-410AOUTDOOR SPLIT-SYSTEMAIR CONDITIONINGMODELS: 15 SEER - CZE / AC5B / AL5B SERIES2 TO 5 TONSINSTALLATION MANUALLISTEDThis product was manufacturedin a plant whose quality systemis certified/registered as beingin conformity with ISO 9001.RNEMPIUQETYRATINU012A R IRADNATSDISNOTCESFOC CIFITRENOITAHTIWCGNIYLPMOS AIRAOTDEIFITRECRERUTCAFUNAMC-GNINOITIDNORIACERTIFICATION APPLIES ONLYWHEN THE COMPLETESYSTEM IS LISTEDWITH ARI.SECTION I: GENERALThe outdoor units are designed to be connected to a matching indoorcoil with sweat connect lines. Sweat connect units are factory chargedwith refrigerant for the highest sales volume evaporator plus 15 feet offield supplied lines.Matching indoor coils are available with a thermal expansion valve oran orifice liquid feed sized for the most common usage. The orifice sizeand/or refrigerant charge may need to be changed for some systemcombinations, elevation differences, or total line lengths. See tabulardata sheet provided in unit literature packet for charge requirements.Refer to Application Data covering “General Piping Recommendationsand Refrigerant Line Length” (Part Number 036-61920-001).SECTION II: SAFETYThis is a safety alert symbol. When you see this symbol onlabels or in manuals, be alert to the potential for personalinjury.Understand and pay particular attention to the signal words DANGER,WARNING, or CAUTION.DANGER indicates an imminently hazardous situation, which, if notavoided, will result in death or serious injury.WARNING indicates a potentially hazardous situation, which, if notavoided, could result in death or serious injury.CAUTION indicates a potentially hazardous situation, which, if notavoided may result in minor or moderate injury. It is also used toalert against unsafe practices and hazards involving only property dam-age.INSPECTIONAs soon as a unit is received, it should be inspected for possible dam-age during transit. If damage is evident, the extent of the damageshould be noted on the carrier’s delivery receipt. A separate request forinspection by the carrier’s agent should be made in writing. See LocalDistributor for more information.Improper installation may create a condition where the operation ofthe product could cause personal injury or property damage.Improper installation, adjustment, alteration, service, or mainte-nance can cause injury or property damage. Refer to this manualfor assistance or for additional information, consult a qualified con-tractor, installer, or service agency.This product must be installed in strict compliance with theenclosed installation instructions and any applicable local, state,and national codes including, but not limited to building, electrical,and mechanical codes.R-410A systems operate at higher pressures than R-22 systems.Do not use R-22 service equipment or components on R-410Aequipment. Service equipment Must Be Rated for R-410A.TABLE OF CONTENTSGENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2INSTALLATIONS REQUIRING TXV . . . . . . . . . . . . . . . . . . . . . . . . . . 4ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5EVACUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7SYSTEM CHARGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7SYSTEM START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11LIST OF TABLESR-410A Saturation Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 815Z24AC Subcooling Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 915Z36AC Subcooling Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 915Z48AC Subcooling Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 915Z60AC Subcooling Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Diagnostic Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10LIST OF FIGURESTypical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Tubing Hanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Underground Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Heat Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Typical Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5CFM Selection Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Single Stage Non-Variable Speed Furnace (Y Connection Only) . . . . . . . . . . . . 6Non-Variable Speed Furnace (Y1 & Y2 Connection) . . . . . . . . . . . . . . . . . . . . . 6Typical Variable Speed Furnace/Air Handler Wiring . . . . . . . . . . . . . . . . . . . . . 6N1AH, F2RP/F2FP, F2RC/F2FC Air Handler and 2-Speed Fan Kit Wiring . . . . . 6Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11