Friedrich Sm18N30 Users Manual

SS15N30* to the manual 45ff98b9-ea79-42b4-b7d9-36fc6981d945

2015-02-02

: Friedrich Friedrich-Sm18N30-Users-Manual-428522 friedrich-sm18n30-users-manual-428522 friedrich pdf

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Service ManualStandard Chassis ModelsRoom Air Conditioners115 -Vo lt: 208-230-Volt: Cool OnlySS08M10, SS10M10, SS12M10, SS14M10SS12M30, SS15M30, SM18M30, SM21M30  Cool with Electric Heat208-230-Volt: Heat Pump with Electric Heat208-230-Volt: Heat Pump115 -Vo lt: SYSTEM FAN MODESCHEDULEFAN SPEEDAUTOAUTOAUTOCONTINUOUS°F °CService ManualStandard Chassis ModelsRoom Air ConditionersCoolElectric HeatHeat Pump115-Volt: 208-230-Volt: Cool OnlySS08N10*, SS10N10*, SS12N10*, SS14N10*, SM15N10*SS12N30*, SS15N30*, SM18N30*, SM21N30*  SM24N30*,SL22N30*, SL24N30*, SL28N30*, SL36N30*Cool with Electric Heat208-230-Volt:  ES12N33*, ES15N33*, EM18N34*, EM24N34*, EL36N35*Heat Pump with Electric Heat208-230-Volt:  YS12N33*, YM18N34*, YL24N35*Heat Pump115-Volt:  YS10N10*Kuhl-Serv/PartsMan (9-12)   *Last character may vary  2012 Service/Parts ManualFAN SPEED SCHEDULESYSTEM FAN MODEPOWERFAUTO FANAUTO CONTINUOUSC93001402_00
1Table Of ContentsImportant Safety Information ..................................................................................................................................... 2-4 Introduction ................................................................................................................................................................... 5 Model and Serial Number Location .............................................................................................................................. 5 Unit Identication .......................................................................................................................................................... 6 Performance Data and Specications .......................................................................................................................... 7Installation Information/Sleeve Dimensions/Circuit Rating ........................................................................................... 8Electrical Data ............................................................................................................................................................... 9Before Operating the Unit ............................................................................................................................................10Kuhl Control Options ....................................................................................................................................................11Control Panel and Display Identication ......................................................................................................................12Control Panel Operation Instructions ......................................................................................................................13-19Remote Control Operation ...................................................................................................................................... 20-21Unit Operation ............................................................................................................................................................ 22Electronic Control Sequence of Operation ............................................................................................................ 23-27Fan Operation ............................................................................................................................................................. 28Removing the Front Cover and Unit Chassis ................................................................................................................ 29Replacing the ID Coil Thermistor ................................................................................................................................ 30Replacing the Control Board ....................................................................................................................................... 30Airow Selection and Adjustment ............................................................................................................................... 31Components Testing .............................................................................................................................................. 32-33 Testing the User Interface and Control Board ........................................................................................................... 34 ..Refrigeration Sequence of Operation .......................................................................................................................... 35  R410A Sealed System Repair Considerations ........................................................................................................... 36 Sealed Refrigeration System Repairs .................................................................................................................... 37-40 Hermetics Components Check ................................................................................................................................... 41Reversing Valve Description/Operation ...................................................................................................................... 42Testing the Coil ........................................................................................................................................................... 43Checking the Reversing Valve ............................................................................................................................... 43-44 Compressor Checks .............................................................................................................................................. 45-46Compressor Replacement ..................................................................................................................................... 47-48Routine Maintenance ............................................................................................................................................. 49-52Service and Assistance/Avalaible Accessories .......................................................................................................... 53How to Check and Erase the Diagnostic Codes ........................................................................................................... 54Error Codes and Alarm Status .................................................................................................................................... 55Test Mode ................................................................................................................................................................... 56Thermistors' Resistance Values .................................................................................................................................. 57Performance Test Data Sheet ..................................................................................................................................... 58Troubleshooting ..................................................................................................................................................... 59-68 Electronic Control Board Components Identication & Thermistor Voltage ................................................................... 69Electronic Control Conguration Instructions .............................................................................................................. 70 Wiring Diagrams .................................................................................................................................................... 71-79Remote Control Replacement Instructions ........................................................................................................... 80-81User Interface Service Kit ........................................................................................................................................... 82Parts Section ......................................................................................................................................................... 83-90Addendum 1 ............................................................................................................................................................... 91Warranty ...................................................................................................................................................................... 92Authorized Parts Depots .............................................................................................................................................. 93Technical Support Contact  Information.........................................................................................................................93

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