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Friedrich R-410A service manual Electromechanical Control Cool Only Models, SH15M30-A SH20M30-A

Models: R-410A

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ELECTROMECHANICAL CONTROL

COOL ONLY MODELS:

SH15M30-A

SH20M30-A

Page 28

Image 28

Friedrich R-410A service manual Electromechanical Control Cool Only Models, SH15M30-A SH20M30-A

Contents

Cool Only R-410AModelsHazardous Duty Room Air Conditioner Table Of Contents Compressor ReplacementSealed Refrigeration System Repairs 14-17PERSONAL INJURY OR DEATH HAZARDS IMPORTANT SAFETY INFORMATIONELECTRICAL HAZARDS REFRIGERATION SYSTEM HAZARDS MECHANICAL HAZARDSINTRODUCTION PROPERTY DAMAGE HAZARDSFIRE DAMAGE HAZARDS WATER DAMAGE HAZARDSUnit Identification Model Number Code RAC Serial Number Identification GuideS H 15 M 3 0 A 1st Digit - FunctionIdeal applications HAZARDGARD APPLICATIONHAZARDOUS DUTY 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 Capacitor ConnectionsCapacitor Check with Capacitor Analyzer ELECTRIC SHOCK HAZARDTESTING 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 Single Phase ConnectionsSingle Phase Running and L.R.A. Test Locked Rotor Voltage L.R.V. TestCOMPRESSOR REPLACEMENT Single Phase Resistance TestRecommended procedure for compressor replacement RISK OF ELECTRIC SHOCKEXPLOSION HAZARD FREEZE HAZARDELECTRIC SHOCK HAZARD HIGH PRESSURE HAZARDROUTINE MAINTENANCE EXCESSIVE WEIGHT HAZARDBLOWER WHEEL / HOUSING / CONDENSER FAN / SHROUD ELECTRIC SHOCK HAZARDROUTINE MAINTENANCE Continued Discharge Air PlenumSlot SlotDATE MODELSERIAL ELECTRICALTROUBLESHOOTING ProblemPossible Solution ProblemTROUBLESHOOTING ProblemPossible Solution ProblemTROUBLESHOOTING ProblemPossible Solution ProblemELECTROMECHANICAL CONTROL COOL ONLY MODELS SH15M30-A SH20M30-AHAZARDGARD ROOM AIR CONDITIONERS LIMITED WARRANTY LIMITED ONE YEAR PARTS WARRANTYWARNING - EXPLOSION HAZARD Friedrich Air Conditioning Company P.O. BoxTECHNICAL SUPPORT CONTACT INFORMATION FRIEDRICH AIR CONDITIONING COPost Office Box 1540 · San Antonio, Texas 4200 N. Pan Am Expressway · San Antonio, TexasPage Post Office Box 1540 · San Antonio, Texas FRIEDRICH AIR CONDITIONING COHG-ServMan