Carrier 558J Series Service And Maintenance Instructions

Carrier 558J Series Service And Maintenance Instructions Manual pdf 1 page image

558J 17-30Nominal 15 to 27.5 TonsWith Puron ® (R-410A) RefrigerantService and Maintenance InstructionsTABLE OF CONTENTSTABLE OF CONTENTS 1. . . . . . . . . . . . . . . . . . . . . . . . .SAFETY CONSIDERATIONS 1. . . . . . . . . . . . . . . .UNIT ARRANGEMENT AND ACCESS 3. . . . . . . .SUPPLY FAN (BLOWER) SECTION 4. . . . . . . . . .2−SPEED FAN WITH VARIABLEFREQUENCY DRIVE (VFD) 6. . . . . . . . . . . . . . . .ADDITIONAL VFD INSTALLATION ANDTROUBLESHOOTING 7. . . . . . . . . . . . . . . . . . . . .COOLING 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .EVAPORATOR COILS 11. . . . . . . . . . . . . . . . . . . . . .PERFECT HUMIDITY™DEHUMIDIFICATION SYSTEM 13. . . . . . . . . . . . .THERMOSTATIC EXPANSION VALVE (TXV) 18. .PURON (R−410A) REFRIGERANT 20. . . . . . . . . .COOLING CHARGING CHARTS 21. . . . . . . . . . . . .COMPRESSORS 25. . . . . . . . . . . . . . . . . . . . . . . . . . .TROUBLESHOOTING THE COOLING SYSTEM 27CONVENIENCE OUTLETS 28. . . . . . . . . . . . . . . . .SMOKE DETECTORS 29. . . . . . . . . . . . . . . . . . . . . .INDICATORS 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . .PROTECTIVE DEVICES 36. . . . . . . . . . . . . . . . . . . .RTU−OPEN CONTROL SYSTEM 38. . . . . . . . . . . . . . . .ECONOMI$ER SYSTEMS 39. . . . . . . . . . . . . . . . . . . . . .PRE−START−UP/START−UP 47. . . . . . . . . . . . . . . . . . . .START−UP, GENERAL 48. . . . . . . . . . . . . . . . . . . . . . . .START−UP, RTU−OPEN CONTROLS 49. . . . . . . . . . . . .FASTENER TORQUE VALUES 49. . . . . . . . . . . . . . . . .APPENDIX I. MODEL NUMBERNOMENCLATURE 50. . . . . . . . . . . . . . . . . . . . . . . . . . .APPENDIX II. PHYSICAL DATA 51. . . . . . . . . . . . . . . .APPENDIX III. FAN PERFORMANCE 59. . . . . . . . . . . .APPENDIX IV. WIRING DIAGRAMS 65. . . . . . . . . . . .UNIT START-UP CHECKLIST 79. . . . . . . . . . . . . . . . . .SAFETY CONSIDERATIONSInstallation and servicing of air-conditioning equipmentcan be hazardous due to system pressure and electricalcomponents. Only trained and qualified service personnelshould install, repair, or service air-conditioningequipment. Untrained personnel can perform the basicmaintenance functions of replacing filters. Trained servicepersonnel should perform all other operations.When working on air-conditioning equipment, observeprecautions in the literature, tags and labels attached tothe unit, and other safety precautions that may apply.Follow all safety codes. Wear safety glasses and workgloves. Use quenching cloth for unbrazing operations.Have fire extinguishers available for all brazingoperations.Follow all safety codes. Consult local building codes andNational Electrical Code (NEC) for special requirements.Recognize safety information. This is the safety−alertsymbol . When you see this symbol on the unit and ininstructions or manuals, be aware of the potential forphysical injury hazards.Understand the signal words DANGER, WARNING, andCAUTION. These words are used with the safety−alertsymbol. DANGER identifies a hazardous situation which,if not avoided, will result in death or severe personalinjury. WARNING indicates a hazardous situation which,if not avoided, could result in death or personal injury.CAUTION indicates a hazardous situation which, if notavoided, could result in minor to moderate injury orproduct and property damage. NOTICE is used to addresspractices not related to physical injury. NOTE is used tohighlight suggestions which will result in enhancedinstallation, reliability, or operation.CUT HAZARDFailure to follow this caution may result in personalinjury.Sheet metal parts may have sharp edges or burrs. Usecare and wear appropriate protective clothing, safetyglasses and gloves when handling parts and servicingair conditioning equipment.CAUTION!