Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo CHDX07263, CHDXR09663, CHDX09663, CHDXR07263* Service hvac.service@sna.sanyo.com 201002

Models: CHDXR07263* CHDXR09663 CHDX07263 CHDX09663

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United States: SCS, HVAC Solutions	Canada: Sanyo Canada Inc.
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Service: hvac.service@sna.sanyo.com
	201002

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Sanyo CHDX07263, CHDXR09663, CHDX09663, CHDXR07263* service manual Service hvac.service@sna.sanyo.com 201002

Contents

Outdoor Units Indoor UnitsPlease Read Before Starting Check of Density Limit Contents Trouble Diagnosis Control Functions Introduction Required settings for Test RunOutdoor unit No.1 Outdoor Unit Operating Rules Delayed Start of Outdoor UnitsSelecting an Outdoor Unit for Operation Outdoor Unit Stop RulesCapacity Compressor ControlCompressor Selection Rules TypeForced Compressor Stop Compressor Capacity ControlInverter Compressor Capacity Control Roadmap ControlCompressor Control Protection control Roadmap Control after Trip System refrigerant oil recovery cycle Way Valve Adjustment ControlSystem Refrigerant Oil Recovery Control Start of System Refrigerant Oil Recovery ControlDefrost Methods Refrigerant Oil Recovery Control between SystemsDefrost Control Constraint conditionsFrost detection Outdoor units where defrost occursReverse Cycle Defrost Outdoor unit cycle defrost OFFDefrost end judgment conditions System defrost endOther Controls Oil ControlRefrigerant Control Valve RCV Operation of Solenoid ValvesRefrigerant Balance Valve RBV Gas Purge Valve Recovery Valve Orvr Bypass Valve BPVTypes of Electronic Thermostatic Expansion Valves Power InitializationCHDX07263, CHDX09663 SC Circuit Electronic Control Valve MOV4 Outdoor Fan Control Demand setting Control Demand meaning Demand ControlCooling operation Indoor Unit Control of the Electronic Control ValveNormal Control Heating operationSpecial Control Rap Valve Kit Control Gas tube valve Electronic thermostatic Expansion valveIndoor Unit Refrigerant Oil Self Recovery Control Discharge sensor failure list Discharge TemperatureDischarge temperature protection list Compressor NoCurrent Protection Pressure Sensor Failure Automatic Backup Operation Backup OperationManual Backup S010 Compressor 1 backup S010 switchCompressor 2 backup Setting Max. fan mode Effect Amount of capacity reduction Service Maintenance FunctionsThis setting controls the operation of the drain pump Setting DescriptionSet at outdoor units that include CCU functions Setting OperationSetting No Compatible static pressure psi SpeedOther Functions Snowfall Sensor Functions Outdoor EepromSymptoms of insufficient gas Outdoor unit PCB LED indications in judgment modeSymptoms of overcharge Memo Outdoor Unit Repair Procedures Procedures Removing PanelsRemoving Electrical Component Box and Duct Remove the lower duct remove 2 screws, and a hook Remove the upper duct remove 3 screws FigDischarging Oil in Compressor Discharging Compressor OilDischarging Oil from Oil Separator Checking the OilSwitch on outdoor unit control PCB Action Automatic BackupBackup operation by disconnecting the outdoor unit If the failed outdoor unit is not the No unitIf the failed unit is the No outdoor unit main unit Backup operation settings for each compressor INV compressor AC1 compressor Setting for backup operationCarry out refrigerant recovery Recovering RefrigerantRefrigerant Recovery Procedures from outdoor unit Following equipment and tools are requiredRefrigerant Recovery Procedures Indoor Unit Cooling operation for all unitsUnit Recovering Refrigerant Recovery of Refrigerant from Entire System Checking for Leakage After Repair Pressure Check for Leakage of Outdoor UnitEvacuating System Evacuating Repaired Outdoor UnitCharging Compressor Oil If Refrigerant Has Already Been Charged to Outdoor UnitDPR If Outdoor Unit Has Not Been Charged with Refrigerant JT160G-KTTJ Pumping Out Refrigerant from Outdoor Unit Pumping Out Refrigerant from Outdoor Unit Refrigerant recovery unit Faulty outdoor unit Other outdoor unitCompressor Compressor Trouble Diagnosis and Check MethodsCompressor Replacing all compressors in a failed unit Replacing all compressors in a system Dry core cleaning If a ball valve is installed on the outdoor unitIf a ball valve is not installed on the outdoor unit Cleaning dry coreReplacing 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 Replacing 4-way Valve Protect the check valves as shown in the figureReplacing 4-way Valve Memo Outdoor Unit Maintenance Remote Controller System diagram NN About the outdoor unit maintenance remote controllerService Checker Section OverviewNN Mode settings NN Temperature monitorNN Outdoor unit alarm history monitor FunctionsNN Functions on the ordinary display All units test run Fig All units start/stop FigCooling/heating change Fig Double-speedNN Display functions Item code RemarksLocations where Œ, , and Ž are displayed as shown in Fig Sample displaysMeaning of display colon Display of unit Nos −Is not displayed Monitoring Operations NN Display of unit No main unit Indoor unitOutdoor Unit Alarm History Monitor Operating procedureDisplay of ﬁrst 4 digits Display of last 4 digits Mode SettingsSetting mode 1 Operating procedure B are displayed alternatelySetting mode 2 Operating procedure List of Item CodesMemo Remote Controller Functions Procedure Simple Settings FunctionRemote Controller Functions Section List of Simple Setting Items Item code Setting data DescriptionDetailed Settings Function List of Detailed Setting Items Setting data Item code DescriptionMinutes No forced operation DC fan tap operating Purpose Mode Simple setting items Filter sign on times for each modelEnabled 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 Remote Controller Servicing Functions List of 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 Check procedure Example Unit No Item code sensor address Discharge temp. TDSensor Temperature Relationship Table 2WAY ECO-i Alarm Codes Alarm code Alarm meaning2WAY ECO-i Alarm Codes E15 Alarm Alarm code E06 Alarm Alarm codeE12 Alarm Alarm code S004 S005E24 Alarm Alarm code E16 Alarm Alarm codeE20 Alarm Alarm code CN001E26 Alarm Alarm code E25 Alarm Alarm codeE29 Alarm Alarm code F04, F05 Alarm Alarm code F06, F23 Alarm Alarm code F07, F24 Alarm Alarm codeF08 Alarm Alarm code F12 Alarm Alarm codeF16 Alarm Alarm code F17 Alarm Alarm code F31 Alarm Alarm codeH11, H12 Alarm Alarm code H03, H13 Alarm Alarm code H15 Alarm Alarm codeH06 Alarm Alarm code Which may damage the compressorH07 Alarm Alarm code H08, H27 Alarm Alarm code H31 Alarm Alarm codeL17 Alarm Alarm code L04 Alarm Alarm codeL10 Alarm Alarm code L18 Alarm Alarm codeP03, P17 Alarm Alarm code P04 Alarm Alarm code P05 Alarm Alarm codeP22 Alarm Alarm code P16 Alarm Alarm codeFan circuit on the outdoor unit control PCB P29 Alarm Alarm code Blinking inspection display 1 Automatic backupP26 Alarm Alarm code Alarm code Blinking inspection displayBlinking Inspection Display on the Remote Controller Alarm meaning Compressor magnet SW seizing detectedInspection of Parts Test Pin Output OperationRoom temp.sensor Thermister Characteristics CurveIndoor heat exch. coil sensor E1, E3 Compressor discharge gas temp. sensor Memo Service hvac.service@sna.sanyo.com 201002