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Friedrich R-410A service manual Friedrich Air Conditioning Co

Models: R-410A

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FRIEDRICH AIR CONDITIONING CO.

10001 Reunion Place, Ste. 500, San Antonio, TX 78216 P 210-546-0500 F 210-546-0731 www.friedrich.com

Printed in the U.S.A.

HG-ServMan (1-11)

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Friedrich R-410A service manual Friedrich Air Conditioning Co

Contents

R-410AModels Cool OnlyHazardous Duty Room Air Conditioner Last character may varyTable Of Contents Compressor ReplacementSealed Refrigeration System Repairs 14-17NOTICE IMPORTANT SAFETY INFORMATIONPERSONAL INJURY OR DEATH HAZARDS REFRIGERATION SYSTEM HAZARDS MECHANICAL HAZARDSINTRODUCTION PROPERTY DAMAGE HAZARDSCondenser Air DischargeUNIT IDENTIFICATION Model Number Code RAC Serial Number Identiﬁ cation GuideS H 15 M 3 0 A - A 1st Digit - FunctionHAZARDOUS DUTY HAZARDGARD APPLICATIONIdeal applications SPECIFICATIONS AND PERFORMANCE DATA Installation InformationCooling Performance Data SpecicationsELECTRICAL DATA ELECTRICAL REQUIREMENTSELECTRIC SHOCK HAZARD FIRE HAZARDHAZARDGARD SPECIAL FEATURES Control PanelExclusive Operating Temperature Code T3BCOMPONENT DEFINITIONS A. Mechanical componentsB. Electrical components C. Hermetic componentsCOMPONENT TESTING SYSTEM CONTROL SWITCHFAN MOTOR FAN MOTOR - TESTTESTING THE THERMOSTAT THERMOSTATLOW AMBIENT BYPASS VALVE ELECTRIC SHOCK HAZARDR-410ASEALED SYSTEM REPAIR CONSIDERATIONS Refrigeration system under high pressureR-410ASEALED REFRIGERATION SYSTEM REPAIRS EQUIPMENT REQUIREDEQUIPMENT MUST BE CAPABLE OF RISK OF ELECTRIC SHOCKMethod Of Charging / Repairs BURN HAZARDFREEZE HAZARD BURN HAZARDUndercharged Refrigerant Systems Overcharged Refrigerant SystemsELECTRIC SHOCK HAZARD HIGH PRESSURE HAZARDRestricted Refrigerant System COMPRESSOR CHECKS ELECTRIC SHOCK HAZARDELECTRIC SHOCK HAZARD ELECTRIC SHOCK HAZARDCOMPRESSOR REPLACEMENT RISK OF ELECTRIC SHOCKHIGH PRESSURE HAZARD HIGH TEMPERATURESEXPLOSION HAZARD FREEZE HAZARDELECTRIC SHOCK HAZARD HIGH PRESSURE HAZARDROUTINE MAINTENANCE EXCESSIVE WEIGHT HAZARDBLOWER WHEEL / HOUSING / CONDENSER FAN / SHROUD ELECTRIC SHOCK HAZARDROUTINE MAINTENANCE Continued CondenserAir Discharge CompressorPERFORMANCE TEST DATA SHEET ROOM AIR CONDITIONER UNITTROUBLESHOOTING TROUBLESHOOTING NOTE: If Inside Coil Freezes UpTROUBLESHOOTING Defective switch On-OffLast character may vary ELECTROMECHANICAL CONTROL COOL ONLY MODELSSH15M30 SH20M30 10001 Reunion Place, Suite San Antonio, TX HAZARDGARD ROOM AIR CONDITIONERS LIMITED WARRANTYFriedrich Air Conditioning Company 10001 Reunion Place, Ste. 500, San Antonio, TX TECHNICAL SUPPORT CONTACT INFORMATIONFRIEDRICH AIR CONDITIONING CO Page FRIEDRICH AIR CONDITIONING CO