Friedrich SS12N10* Introduction, Components Identification, Model and Serial Number Location

Page 6

INTRODUCTION

This service manual is designed to be used in conjunction with the installation and operation manuals provided with each air conditioning system.

This service manual was written to assist the professional RAC (Room Air Conditioner) service technician to quickly and accurately diagnose and repair malfunctions.

This manual will deal with subjects in a general nature.

COMPONENTS IDENTIFICATION

	Accumulator	Outdoor Grille
	Compressor	Discharge Air
	Fresh Air Vent		Shroud brace
	Reversing Valve		Shroud brace
	Reversing Valve		Condense/Fan Shroud
	Evaporator Coil		Condense/Fan Shroud
	Evaporator Coil
	Electronic Control			Condenser Coil
	Electronic Control			Sleeve
	Board			Sleeve
	Control Key Pad			Air Intake Vents
	Control Key Pad			Air Intake Vents
	Support Bar
	Blower Wheel		Fan Blade
	Air Intake From		Fan/Blower Motor
	Sides and Bottom	Base Pan
		Base Pan
	Control Key Pad	Chassis Pull
	(User Interface)	Chassis Pull
	(User Interface)	Out Handle
		Out Handle

IMPORTANT: It will be necessary for you to accurately identify the unit you are servicing, so you can be certain of a proper diagnosis and repair (See Unit Identification code on page 6).

MODEL AND SERIAL NUMBER LOCATION

Register your air conditioner

Model information can be found on the name plate behind the front cover.

For your future convenience, record the model information here.

MODEL NUMBER

SERIAL NUMBER

PURCHASE DATE

5

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Contents

Cool Only Heat Pump Table Of Contents Important Safety Information Your safety and the safety of others are very importantRefrigeration System Repair Hazards Property Damage Hazards Introduction Components IdentificationModel and Serial Number Location Unit Identification Specifications Refrigeration System Performance DataProper installation of seal gasket Keep the filter cleanUnit placement Provide good air flowElectrical Data Electric Shock HazardFire Hazard Electrical Shock Hazard Kuhl Control Options FriedrichLink AdapterControl Panel and Display Identification Control Panel Operation Instructions Timer Schedule Button ºF ºC SelectControl Panel Lock DIM FunctionAlerts External Control StatusTo Turn On the Timer or Schedule Selected Timer or Schedule Options 1 or 2 SelectionTimer Start Time Timer SettingsSet theTimer Stop Time Timer on ScenariosTimer OFF Scenarios Timer Schedule Control BlockRemote Control Operation Remote Control Operation Unit Operation Front PanelElectronic Control Sequence of Operation Compressor OperationHeating Mode Control Operation Heat Control Heat Pump OnlyHeat Pump With Electric Heat Operation ConditionElectric Heat Operation in Cool with Electric Heat Units Compressor Lock Out Time Using ModeRemoving the Front Cover Replacing the Indoor Coil Thermistor Swing OutAir flow direction adjustment Fresh air and exhaust controlCapacitor Connections Components TestingCapacitor Check with Capacitor Analyzer FAN MotorHeating Element Heat Pump Models Testing the Heating Element Electric Shock HazardHeating Element Drain PAN ValveUser Interface Control Board Refrigeration Sequence of Operation 410A Sealed System Repair Considerations Refrigeration system under high pressure410A Sealed Refrigeration System Repairs Refrigerant ChargingMethod Of Charging / Repairs Burn HazardFreeze Hazard Undercharged Refrigerant Systems Overcharged Refrigerant SystemsRestricted Refrigerant System Hermetic Components Check Capillary Tube SystemsReversing Valve DESCRIPTION/OPERATION Testing the Reversing Valve Solenoid Coil Reversing Valve in Heating ModeProcedure For Changing Reversing Valve Touch Test in Heating/Cooling CycleExplosion Hazard Locked Rotor Voltage L.R.V. Test Single Phase ConnectionsSingle Phase Running and L.R.A. Test Determine L.R.VSingle Phase Resistance Test Ground TestChecking Compressor Efficiency Recommended procedure for compressor replacement High TemperaturesHigh Pressure Hazard Routine Maintenance Sleeve / Drain Decorative Front CoverClearances Filter assembly Frosting Heat pumps operate differentlyCondensation is normal NoisesDC-2 Drain Kit Part No If you require further assistanceOur specialists are able to assist you with Carbon Filter KitsSee codes chart on next Error Codes and Alarm Status Test Mode Temp JOB Name Techs Name Room AIR Conditioner Unit Performance Test Data SheetHOW is ALL of the INSTALLATION? Good BAD = SQ/CU/FTTroubleshooting Tips Problem Possible Cause Possible SolutionTroubleshooting Tips Cooling only Room AIR Conditioners Troubleshooting Tips Replace fuse, reset breaker. If repeats, check Possible Cause Possible Solution Problem Possible Cause Possible Solution Heat / Cool only Room AIR Conditioners Troubleshooting Tips Heat Pump Room AIR Conditioners Trouble Shooting Tips Problem Possible Cause ActionSystem Cools When Heating is Desired YESNormal Function of Valve Malfunction of ValveElectronic Control Board Components Identification Contents ProcedureFriedrich Electronic Control KIT Friedrich Model Prefix Schematic Part NO. REV 92170013 Kϋhl Electronic Control Cool only Models SL36N30-A Wiring Diagram Wiring Diagram 92170015 92170016 Kϋhl Electronic Control Heat Pump model YL24N35-A Need to Configure it. Follow the steps below to configure Air Conditioner Message Remote Control MessageAir Conditioning Unit Display Remote Control Display Replacement Instructions Parts Section Parts Section Kühl & Kühl+ Small-Chassis 2012 Parts List SHROUD, SML Kühl & Kühl+ Medium-Chassis 2012 Parts List SHROUD, MED Kühl & Kühl+ Large-Chassis 2012 Parts List Deck LRG Addendum Schedule Table with Energy Saving ValuesRoom AIR Conditioners Limited Warranty AAA Refrigeration Service Customer Satisfaction and Quality AssuranceFriedrich AIR Conditioning CO