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Friedrich SQ10N10, SQ08N10, SQ05N10, SQ06N10, EQ08N11 manual

Models: EQ08N11 SQ06N10 SQ05N10 SQ08N10 SQ10N10

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COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

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Friedrich SQ10N10, SQ08N10, SQ05N10, SQ06N10, EQ08N11 manual

Contents

Room Air Conditioners Service/Parts ManualPOWER 2 0 1Table Of Contents NOTICE IMPORTANT SAFETY INFORMATIONPERSONAL INJURY OR DEATH HAZARDS ELECTRICAL HAZARDSREFRIGERATION SYSTEM HAZARDS MECHANICAL HAZARDSRegister your air conditioner INTRODUCTIONPROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDSS Q 08 N 1 0 A - A UNIT IDENTIFICATION KuhlQ Model Number CodeRAC Serial Number Identiﬁcation Guide 2nd DigitThru-the-wallInstallation PERFORMANCE DATAInstallation Information / Sleeve Dimensions Circuit Rating / BreakerHACR: Heating Air Conditioning and Refrigeration NOTICEELECTRICAL DATA ELECTRIC SHOCK HAZARDTest the power cord WARNING: Before Operating Your UnitMake sure the wiring is adequate for your unit Keep the filter cleanKuhl Q Control Panel Operation Pre-ProgrammedScheduling Options Kühl Control OptionsWireless Programming and Control Customizable Programming OptionsControl Panel Operation Instructions AUTO1.Residential Schedule - 40 hour work week TIMER SCHEDULE BUTTONºF - ºC Select Wait Icon DIM FunctionAlerts Control Panel LockTo Turn On the Timer or Schedule Selected TIMER OR SCHEDULE OPTIONS 1 OR 2 SELECTIONTimer Start Time TIMER SETTINGSScenario Set theTimer Stop TimeTimer ON Scenarios ScenarioScenario Timer OFF ScenariosTimer - Schedule Control Block ScenarioTOP VIEW Remote Control OperationRemote Effectiveness SIDE VIEWAUTO FAN CONTINUOUS AUTO ELECTRONIC CONTROL SEQUENCE OF OPERATION Cooling ModeFan Speed Change Delay Cooling Fan DelayHeating Fan Delay ELECTRONIC CONTROL SEQUENCE OF OPERATION CONTRoom Temperature Thermistor Voltage Test COMPONENTS TESTINGTesting the User Interface and Relay Board If the user interface does not turn onFuse COMPONENTS TESTING CON’T Testing the Relay BoardHeat Relay T 3.15AH 250 Volts ACCapacitor Check with Capacitor Analyzer COMPONENTS TESTING ContinuedCAPACITORS Capacitor ConnectionsHEATING ELEMENT COMPONENTS TESTING ContinuedTESTING THE HEATING ELEMENT ELECTRIC SHOCK HAZARDREFRIGERATION SEQUENCE OF OPERATION R-410ASEALED SYSTEM REPAIR CONSIDERATIONS Refrigeration system under high pressureEQUIPMENT REQUIRED R-410ASEALED REFRIGERATION SYSTEM REPAIRSRefrigerant Charging EQUIPMENT MUST BE CAPABLE OFA good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting of REFRIGERATION SEQUENCE OF OPERATIONEQUIPMENT REQUIRED R-410ASEALED REFRIGERATION SYSTEM REPAIRSRefrigerant Charging EQUIPMENT MUST BE CAPABLE OFFREEZE HAZARD Method Of Charging / RepairsBURN HAZARD BURN HAZARDELECTRIC SHOCK HAZARD Undercharged Refrigerant SystemsOvercharged Refrigerant Systems HIGH PRESSURE HAZARDRestricted Refrigerant System COMPRESSOR CHECKS Single Phase ConnectionsSingle Phase Running and L.R.A. Test Locked Rotor Voltage L.R.V. TestSingle Phase Resistance Test GROUND TESTHIGH TEMPERATURES COMPRESSOR REPLACEMENTRecommended procedure for compressor replacement NOTICEFriedrichLink Adapter Accessory Available AccessoriesWindow Installation Kits Carbon Filter KitsHow to Remove the Front Cover Unplug unitBLOWER WHEEL / HOUSING / CONDENSER FAN / SHROUD ROUTINE MAINTENANCEEXCESSIVE WEIGHT HAZARD NOTICEROUTINE MAINTENANCE Continued NOTICEFrosting This is a warm weather applianceCondensation is normal NoisesPage How to Check the Diagnostic Codes Erasing the Diagnostic CodesAction ERROR CODESKey Sequence Test Mode Page Page Page Page Page Page NOTE: Heater size on the EQ08M11 is: 1.15 KW SQ05N10-A, SQ06N10-A, SQ08N10-A, SQ10N10-A ELECTRONIC CONTROLSCOOL ONLY ELECTRONIC CONTROLS WIRING DIAGRAMSCHEMATIC COOL WITH ELECTRIC HEAT MODELS EQ08M11-ATHERMISTORS’ RESISTANCE VALUES This Table Applies to All ThermistorsPage Page HEAT LOAD FORM Following is an example using the heat load formINFILTRATION - WINDOWS & DOORS: AVG HEATING LOAD FORM FRIEDRICH ROOM UNIT HEAT PUMPSWINDOWS & DOORS Area, sq. ft Chassis Kühl-QKühl Q-CHASSISUNIT EXPLODED DIAGRAM Kühl-QUnits’ 2012 Parts List 33 27 29 28Kühl Q-ChassisService Parts List Pre Programmed Residential Schedule Option AddendumSchedule Table with Energy Saving Values Pre Programmed Commercial Schedule OptionSECOND THROUGH FIFTH YEAR ROOM AIR CONDITIONERS LIMITED WARRANTYFIRST YEAR AAARefrigeration Service CUSTOMER SATISFACTION and QUALITY ASSURANCEFRIEDRICH AUTHORIZED PARTS DEPOTS TECHNICAL SUPPORT CONTACT INFORMATIONFRIEDRICH AIR CONDITIONING CO