Test

Remove the wires from the thermostat. Turn the thermostat to its coldest position. Check to see if there is continuity between the two terminals. Turn the thermostat to its warmest position. Check continuity to see if the thermostat contacts open.

Note: The temperature must be within the range listed to check the thermostat. Refer to the troubleshooting section in this manual for additional information on thermostat testing.

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Friedrich SH20L30-A, SH20L50-A, SH15L30-A manual Test

Contents

Service & Parts Manual Table of Contents Performance Data Cooling Line Voltage Overload Component Operation and TestingTesting Procedures Compressors Checking Compressor Efficiency Ground TestFAN Motor Test Range CAPACITOR, RUNCapacitor Test Thermostat Test Sealed Refrigeration System Repairs Equipment Required LOW Ambient Bypass Valve FigureEquipment Must be Capable Special Procedures in the Case of Compressor Motor Burnout Hermetic Component Replacement Refrigerant Charge Rotary Compressor Special Troubleshooting and Service Unit does not RUN Troubleshooting Problem Possible Cause To Correct Problem Possible Cause To Correct Troubleshooting FAN Motor does Models SH15L30-A, SH20L30-A, SH20L50-A Wiring Diagram Hazardgard Cabinet Parts Hazardgard Chassis Parts Description Part NO# Models Code Electrical Parts Hazardgard Parts List Optional Accessory Items Page Use Factory Certiﬁed Parts