Manuals / Friedrich / Household Appliance / Air Conditioner

Friedrich SQ08N10, SQ10N10, SQ05N10, SQ06N10 Electronic Control Sequence Of Operation, Cooling Mode

Models: EQ08N11 SQ06N10 SQ05N10 SQ08N10 SQ10N10

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ELECTRONIC CONTROL SEQUENCE OF OPERATION

Cooling Mode

prior to the compressor. Once the ambient temperature has been lowered to .25 ÛF below the set point, the cooling cycle starts to terminate by shutting off the compressor. After a 30 seconds delay, the fan is shut off.

(See figure below for graphic details)

Electric Heat Operation in Cool with Electric Heat Units

When in the Heat mode, with and without Fan Mode Auto (Fan cycling):

If the indoor ambient temperature is below the Heat Demand Threshold (Heat Set Point minus 1.5 ÛF), turn on electric heat. If Ambient is 0.3 ÛF above the Heat Set Point turn off the electric heat.

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Friedrich SQ08N10, SQ10N10, SQ05N10, SQ06N10, EQ08N11 manual Electronic Control Sequence Of Operation, Cooling Mode

Contents

POWER Service/Parts ManualRoom Air Conditioners 2 0 1Table Of Contents PERSONAL INJURY OR DEATH HAZARDS IMPORTANT SAFETY INFORMATIONNOTICE ELECTRICAL HAZARDSMECHANICAL HAZARDS REFRIGERATION SYSTEM HAZARDSPROPERTY DAMAGE HAZARDS INTRODUCTIONRegister your air conditioner FIRE DAMAGE HAZARDSRAC Serial Number Identiﬁcation Guide UNIT IDENTIFICATION KuhlQ Model Number CodeS Q 08 N 1 0 A - A 2nd DigitInstallation Information / Sleeve Dimensions PERFORMANCE DATAThru-the-wallInstallation Circuit Rating / BreakerELECTRICAL DATA NOTICEHACR: Heating Air Conditioning and Refrigeration ELECTRIC SHOCK HAZARDMake sure the wiring is adequate for your unit WARNING: Before Operating Your UnitTest the power cord Keep the filter cleanKuhl Q Control Panel Operation Wireless Programming and Control Kühl Control OptionsPre-ProgrammedScheduling Options Customizable Programming OptionsAUTO Control Panel Operation InstructionsTIMER SCHEDULE BUTTON ºF - ºC Select1.Residential Schedule - 40 hour work week Alerts DIM FunctionWait Icon Control Panel LockTIMER OR SCHEDULE OPTIONS 1 OR 2 SELECTION To Turn On the Timer or Schedule SelectedTIMER SETTINGS Timer Start TimeTimer ON Scenarios Set theTimer Stop TimeScenario ScenarioTimer - Schedule Control Block Timer OFF ScenariosScenario ScenarioRemote Effectiveness Remote Control OperationTOP VIEW SIDE VIEWAUTO FAN CONTINUOUS AUTO Cooling Mode ELECTRONIC CONTROL SEQUENCE OF OPERATIONHeating Fan Delay Cooling Fan DelayFan Speed Change Delay ELECTRONIC CONTROL SEQUENCE OF OPERATION CONTTesting the User Interface and Relay Board COMPONENTS TESTINGRoom Temperature Thermistor Voltage Test If the user interface does not turn onHeat Relay COMPONENTS TESTING CON’T Testing the Relay BoardFuse T 3.15AH 250 Volts ACCAPACITORS COMPONENTS TESTING ContinuedCapacitor Check with Capacitor Analyzer Capacitor ConnectionsTESTING THE HEATING ELEMENT COMPONENTS TESTING ContinuedHEATING ELEMENT ELECTRIC SHOCK HAZARDREFRIGERATION SEQUENCE OF OPERATION Refrigeration system under high pressure R-410ASEALED SYSTEM REPAIR CONSIDERATIONSRefrigerant Charging R-410ASEALED REFRIGERATION SYSTEM REPAIRSEQUIPMENT REQUIRED EQUIPMENT MUST BE CAPABLE OFREFRIGERATION SEQUENCE OF OPERATION A good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting ofRefrigerant Charging R-410ASEALED REFRIGERATION SYSTEM REPAIRSEQUIPMENT REQUIRED EQUIPMENT MUST BE CAPABLE OFBURN HAZARD Method Of Charging / RepairsFREEZE HAZARD BURN HAZARDOvercharged Refrigerant Systems Undercharged Refrigerant SystemsELECTRIC SHOCK HAZARD HIGH PRESSURE HAZARDRestricted Refrigerant System Single Phase Running and L.R.A. Test Single Phase ConnectionsCOMPRESSOR CHECKS Locked Rotor Voltage L.R.V. TestGROUND TEST Single Phase Resistance TestRecommended procedure for compressor replacement COMPRESSOR REPLACEMENTHIGH TEMPERATURES NOTICEWindow Installation Kits Available AccessoriesFriedrichLink Adapter Accessory Carbon Filter KitsUnplug unit How to Remove the Front CoverEXCESSIVE WEIGHT HAZARD ROUTINE MAINTENANCEBLOWER WHEEL / HOUSING / CONDENSER FAN / SHROUD NOTICENOTICE ROUTINE MAINTENANCE ContinuedCondensation is normal This is a warm weather applianceFrosting NoisesPage Erasing the Diagnostic Codes How to Check the Diagnostic CodesERROR CODES Key SequenceAction Test Mode Page Page Page Page Page Page NOTE: Heater size on the EQ08M11 is: 1.15 KW ELECTRONIC CONTROLS COOL ONLYSQ05N10-A, SQ06N10-A, SQ08N10-A, SQ10N10-A SCHEMATIC WIRING DIAGRAMELECTRONIC CONTROLS COOL WITH ELECTRIC HEAT MODELS EQ08M11-AThis Table Applies to All Thermistors THERMISTORS’ RESISTANCE VALUESPage Page Following is an example using the heat load form HEAT LOAD FORMHEATING LOAD FORM FRIEDRICH ROOM UNIT HEAT PUMPS WINDOWS & DOORS Area, sq. ftINFILTRATION - WINDOWS & DOORS: AVG Kühl-Q Kühl Q-CHASSISUNIT EXPLODED DIAGRAMChassis 33 27 29 28 Kühl-QUnits’ 2012 Parts ListKühl Q-ChassisService Parts List Schedule Table with Energy Saving Values AddendumPre Programmed Residential Schedule Option Pre Programmed Commercial Schedule OptionROOM AIR CONDITIONERS LIMITED WARRANTY FIRST YEARSECOND THROUGH FIFTH YEAR FRIEDRICH AUTHORIZED PARTS DEPOTS CUSTOMER SATISFACTION and QUALITY ASSURANCEAAARefrigeration Service TECHNICAL SUPPORT CONTACT INFORMATIONFRIEDRICH AIR CONDITIONING CO