Friedrich SH20L30-B, SH15L30-B manual Table Of Contents

Models: SH15L30-B SH20L30-B

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TABLE OF CONTENTS
Speciﬁcations	3
Performance Data	3
Component Operation & Testing	4
Compressors	4
Thermal Overload	4
Checking Compressor Efﬁciency	4
Fan Motor	5
Solid State Relay	5
System Control Switch	5
Run Capacitor	5
Thermostat	5
Low Ambient Bypass Valve	6
Sealed Refrigeration System Repairs	6
Hermetic Component Replacement	7
Special Procedure in the case of Compressor Motor Burn-Out	7
Rotary Compressor Special Troubleshooting & Service	7
Refrigerant Charge	7
Troubleshooting	8-10
Wiring Diagram	11
Cabinet Parts Diagram	12
Chassis Parts Diagram	13
Parts List	14-15
Warranty	16

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Contents

60 Hz Models Room Air Conditioners2007 Service & Parts Manual SH15L30-B SH20L30-BTABLE OF CONTENTS OPERATING TEMPERATURE CODE T3B Product SpecificationsInstallation Information Performance Data CoolingDISCONNECT ELECTRICAL POWER TO THE COMPONENT OPERATION AND TESTINGTesting Procedures UNIT BEFORE SERVICING OR TESTINGFAN MOTOR - TEST SYSTEM CONTROL SWITCH FigureFAN MOTOR Figure SOLID STATE RELAY FigureLOW AMBIENT BYPASS VALVE Figure THERMOSTATTEST SEALED REFRIGERATION SYSTEM REPAIRSROTARY COMPRESSOR HERMETIC COMPONENT REPLACEMENTSPECIAL TROUBLESHOOTING & SERVICE REFRIGERANT CHARGEPOSSIBLE CAUSE TROUBLESHOOTINGPROBLEM TO CORRECTPOSSIBLE CAUSE TROUBLESHOOTING ContinuedPROBLEM TO CORRECTPOSSIBLE CAUSE TROUBLESHOOTING ContinuedPROBLEM TO CORRECTWIRING DIAGRAM MODELS SH15L30-Band SH20L30-B HAZARDGARD CABINET PARTS HAZARDGARD CHASSIS PARTS PART NO# HAZARDGARD PARTS LISTDESCRIPTION MODELSDESCRIPTION HAZARDGARD PARTS LISTOPTIONAL ACCESSORY ITEMS PART NO#FRIEDRICH AIR CONDITIONING CO HAZARDGARD ROOM AIR CONDITIONERS LIMITED WARRANTYLIMITED ONE YEAR PARTS WARRANTY The Friedrich warranty does not cover