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Sanyo CHDX07263, CHDXR07263, CHDXR09663, CHDX09663 service manual Memo

Models: CHDXR07263 CHDXR09663 CHDX07263 CHDX09663

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Sanyo CHDX07263, CHDXR07263, CHDXR09663, CHDX09663 service manual Memo

Contents

Indoor Units Outdoor UnitsPlease Read Before Starting Check of Density Limit Contents Trouble Diagnosis Control Functions Introduction Required settings for Test RunOutdoor unit No.1 Outdoor Unit Stop Rules Delayed Start of Outdoor UnitsSelecting an Outdoor Unit for Operation Outdoor Unit Operating RulesType Compressor ControlCompressor Selection Rules CapacityRoadmap Control Compressor Capacity ControlInverter Compressor Capacity Control Forced Compressor StopCompressor Control Protection control Roadmap Control after Trip Start of System Refrigerant Oil Recovery Control Way Valve Adjustment ControlSystem Refrigerant Oil Recovery Control System refrigerant oil recovery cycleConstraint conditions Refrigerant Oil Recovery Control between SystemsDefrost Control Defrost MethodsFrost detection Outdoor units where defrost occursReverse Cycle Defrost OFF Outdoor unit cycle defrostSystem defrost end Defrost end judgment conditionsOil Control Other ControlsRefrigerant Control Valve RCV Operation of Solenoid ValvesRefrigerant Balance Valve RBV Gas Purge Valve Bypass Valve BPV Recovery Valve OrvrTypes of Electronic Thermostatic Expansion Valves Power InitializationCHDX07263, CHDX09663 SC Circuit Electronic Control Valve MOV4 Outdoor Fan Control Demand Control Demand setting Control Demand meaningHeating operation Indoor Unit Control of the Electronic Control ValveNormal Control Cooling operationSpecial Control Gas tube valve Electronic thermostatic Expansion valve Rap Valve Kit ControlIndoor Unit Refrigerant Oil Self Recovery Control Compressor No Discharge TemperatureDischarge temperature protection list Discharge sensor failure listCurrent Protection Pressure Sensor Failure Automatic Backup Operation Backup OperationManual Backup S010 Compressor 1 backup S010 switchCompressor 2 backup Setting Description Service Maintenance FunctionsThis setting controls the operation of the drain pump Setting Max. fan mode Effect Amount of capacity reductionSpeed Setting OperationSetting No Compatible static pressure psi Set at outdoor units that include CCU functionsSnowfall Sensor Functions Outdoor Eeprom Other FunctionsSymptoms of insufficient gas Outdoor unit PCB LED indications in judgment modeSymptoms of overcharge Memo Outdoor Unit Repair Procedures Removing Panels ProceduresRemoving Electrical Component Box and Duct Remove the upper duct remove 3 screws Fig Remove the lower duct remove 2 screws, and a hookChecking the Oil Discharging Compressor OilDischarging Oil from Oil Separator Discharging Oil in CompressorIf the failed outdoor unit is not the No unit Automatic BackupBackup operation by disconnecting the outdoor unit Switch on outdoor unit control PCB ActionIf the failed unit is the No outdoor unit main unit INV compressor AC1 compressor Setting for backup operation Backup operation settings for each compressorFollowing equipment and tools are required Recovering RefrigerantRefrigerant Recovery Procedures from outdoor unit Carry out refrigerant recoveryCooling operation for all units Refrigerant Recovery Procedures Indoor UnitUnit Recovering Refrigerant Recovery of Refrigerant from Entire System Pressure Check for Leakage of Outdoor Unit Checking for Leakage After RepairEvacuating Repaired Outdoor Unit Evacuating SystemIf Refrigerant Has Already Been Charged to Outdoor Unit Charging Compressor OilDPR If Outdoor Unit Has Not Been Charged with Refrigerant JT160G-KTTJ Pumping Out Refrigerant from Outdoor Unit Pumping Out Refrigerant from Outdoor Unit Faulty outdoor unit Other outdoor unit Refrigerant recovery unitCompressor Trouble Diagnosis and Check Methods CompressorCompressor Replacing all compressors in a failed unit Replacing all compressors in a system If a ball valve is installed on the outdoor unit Dry core cleaningCleaning dry core If a ball valve is not installed on the outdoor unitReplacing compressors Removing and Installing CompressorsRemoval Installation Front view Type Compressor Compressor Replacing multiple compressors Removal High and Low Pressure Sensors Installing the High and Low Pressure SensorsRemoving the High and Low Pressure Sensor Protect the check valves as shown in the figure Replacing 4-way ValveReplacing 4-way Valve Memo Outdoor Unit Maintenance Remote Controller Overview NN About the outdoor unit maintenance remote controllerService Checker Section System diagramFunctions NN Temperature monitorNN Outdoor unit alarm history monitor NN Mode settingsNN Functions on the ordinary display Double-speed All units start/stop FigCooling/heating change Fig All units test run FigItem code Remarks NN Display functionsSample displays Locations where Œ, , and Ž are displayed as shown in FigMeaning of display colon Display of unit Nos −Is not displayed Monitoring Operations Indoor unit NN Display of unit No main unitOperating procedure Outdoor Unit Alarm History MonitorB are displayed alternately Mode SettingsSetting mode 1 Operating procedure Display of ﬁrst 4 digits Display of last 4 digitsList of Item Codes Setting mode 2 Operating procedureMemo Remote Controller Functions Procedure Simple Settings FunctionRemote Controller Functions Section Item code Setting data Description List of Simple Setting ItemsDetailed Settings Function Setting data Item code Description List of Detailed Setting ItemsMinutes No forced operation DC fan tap operating Purpose Mode Filter sign on times for each model Simple setting itemsEnabled only in 2WAY Multi heat-pump models Explanation of operation mode priority changeFunction Cooling or dry Heating Fan Fan not changed Detailed Settings Function Setting range Drying From previous List of Servicing Functions Remote Controller Servicing FunctionsTest Run Function ProcedureOperates the unit with the thermostat forced on Procedure Outdoor unit sensors Trouble Diagnosis Contents of Remote Controller Switch Alarm Display Possible cause of malfunction Operation Blinking OFF Outdoor Unit Control Panel LED DisplayDisplay meaning Example Unit No Item code sensor address Discharge temp. TD Check procedureSensor Temperature Relationship Table Alarm code Alarm meaning 2WAY ECO-i Alarm Codes2WAY ECO-i Alarm Codes S004 S005 E06 Alarm Alarm codeE12 Alarm Alarm code E15 Alarm Alarm codeCN001 E16 Alarm Alarm codeE20 Alarm Alarm code E24 Alarm Alarm codeE26 Alarm Alarm code E25 Alarm Alarm codeE29 Alarm Alarm code F04, F05 Alarm Alarm code F07, F24 Alarm Alarm code F06, F23 Alarm Alarm codeF12 Alarm Alarm code F08 Alarm Alarm codeF16 Alarm Alarm code F31 Alarm Alarm code F17 Alarm Alarm codeH11, H12 Alarm Alarm code H15 Alarm Alarm code H03, H13 Alarm Alarm codeWhich may damage the compressor H06 Alarm Alarm codeH07 Alarm Alarm code H31 Alarm Alarm code H08, H27 Alarm Alarm codeL18 Alarm Alarm code L04 Alarm Alarm codeL10 Alarm Alarm code L17 Alarm Alarm codeP03, P17 Alarm Alarm code P05 Alarm Alarm code P04 Alarm Alarm codeP22 Alarm Alarm code P16 Alarm Alarm codeFan circuit on the outdoor unit control PCB Alarm code Blinking inspection display Blinking inspection display 1 Automatic backupP26 Alarm Alarm code P29 Alarm Alarm codeAlarm meaning Compressor magnet SW seizing detected Blinking Inspection Display on the Remote ControllerInspection of Parts Output Operation Test PinRoom temp.sensor Thermister Characteristics CurveIndoor heat exch. coil sensor E1, E3 Compressor discharge gas temp. sensor Memo Service hvac.service@sna.sanyo.com 201002