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TABLE OF CONTENTS PAGE
GENERAL
Friedrich Room Model Number Code....................................................................................................... 3
Application and Sizing ..............................................................................................................................4
Instructions for using Cooling Load Estimate Form ..................................................................................5
Cooling Load Estimate Form.................................................................................................................... 6
SPECIFICATIONS/PERFORMANCE DATA
Specifications "KS" - "KM" - "KL" Models ................................................................................................ 7
Performance Data "KS" - "KM" - "KL" Models........................................................................................... 7
COMPONENTS OPERATION/TESTING
Compressors............................................................................................................................................8
Thermal Overload (External) ....................................................................................................................8
Thermal Overload (Internal) .....................................................................................................................9
Fan Motor.................................................................................................................................................9
Run Capacitor .........................................................................................................................................10
System Control Switch ( "KS", "KM", & "KL" Models) ..............................................................................10
Thermostat ("KS", "KM", & "KL" Models) .................................................................................................11
Thermostat Adjustment ...........................................................................................................................11
Resistor................................................................................................................................................... 12
MoneySaver Switch (Rocker Switch).......................................................................................................12
Sealed Refrigeration System Repairs...................................................................................................... 12
Hermetic Component Replacement ........................................................................................................13
Special Procedure in the case of Motor Compressor Burn-Out............................................................... 13
Rotary Compressor Special Troubleshooting & Service.......................................................................... 14
Refrigerant Charge..................................................................................................................................14
TROUBLESHOOTING
Troubleshooting Cooling..........................................................................................................................15
WIRING DIAGRAMS
KS10J10.............................................................618-200-00 ..................................................................19
KS12J10.............................................................618-200-00 ..................................................................19
KS12J30A ..........................................................618-200-00.................................................................. 19
KM18J30A..........................................................618-200-00 ..................................................................19
KM21J30............................................................ 618-200-00.................................................. ................19
KL25J30A...........................................................618-200-00 ..................................................................19
PARTS LIST
"KS" - "KM" Series Chassis Parts............................................................................................................ 20
"KS" - "KM" Series Cabinet Parts ............................................................................................................21
"KS" - "KM" Series Parts List................................................................................................................... 20
"KL" Series Chassis Parts .......................................................................................................................25
"KL" Series Cabinet Parts........................................................................................................................26
"KL" Series Parts List ..............................................................................................................................25