Service hvac.service@sna.sanyo.com 201002 | Sanyo CHDX07263 specification

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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 Units Please 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 Rules Capacity Compressor ControlCompressor Selection Rules Type Forced Compressor Stop Compressor Capacity ControlInverter Compressor Capacity Control Roadmap Control Compressor 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 Control Defrost Methods Refrigerant Oil Recovery Control between SystemsDefrost Control Constraint conditions Frost detection Outdoor units where defrost occursReverse Cycle Defrost Outdoor unit cycle defrost OFF Defrost end judgment conditions System defrost end Other Controls Oil Control Refrigerant Control Valve RCV Operation of Solenoid ValvesRefrigerant Balance Valve RBV Gas Purge Valve Recovery Valve Orvr Bypass Valve BPV Types of Electronic Thermostatic Expansion Valves Power InitializationCHDX07263, CHDX09663 SC Circuit Electronic Control Valve MOV4 Outdoor Fan Control Demand setting Control Demand meaning Demand Control Cooling operation Indoor Unit Control of the Electronic Control ValveNormal Control Heating operation Special Control Rap Valve Kit Control Gas tube valve Electronic thermostatic Expansion valve Indoor Unit Refrigerant Oil Self Recovery Control Discharge sensor failure list Discharge TemperatureDischarge temperature protection list Compressor No Current 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 Description Set at outdoor units that include CCU functions Setting OperationSetting No Compatible static pressure psi Speed Other Functions Snowfall Sensor Functions Outdoor Eeprom Symptoms of insufficient gas Outdoor unit PCB LED indications in judgment modeSymptoms of overcharge Memo Outdoor Unit Repair Procedures Procedures Removing Panels Removing Electrical Component Box and Duct Remove the lower duct remove 2 screws, and a hook Remove the upper duct remove 3 screws Fig Discharging Oil in Compressor Discharging Compressor OilDischarging Oil from Oil Separator Checking the Oil Switch on outdoor unit control PCB Action Automatic BackupBackup operation by disconnecting the outdoor unit If the failed outdoor unit is not the No unit If the failed unit is the No outdoor unit main unit Backup operation settings for each compressor INV compressor AC1 compressor Setting for backup operation Carry out refrigerant recovery Recovering RefrigerantRefrigerant Recovery Procedures from outdoor unit Following equipment and tools are required Refrigerant Recovery Procedures Indoor Unit Cooling operation for all units Unit Recovering Refrigerant Recovery of Refrigerant from Entire System Checking for Leakage After Repair Pressure Check for Leakage of Outdoor Unit Evacuating System Evacuating Repaired Outdoor Unit Charging Compressor Oil If Refrigerant Has Already Been Charged to Outdoor Unit DPR 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 unit Compressor Compressor Trouble Diagnosis and Check Methods Compressor 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 unit If a ball valve is not installed on the outdoor unit Cleaning dry core Replacing 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 figure Replacing 4-way Valve Memo Outdoor Unit Maintenance Remote Controller System diagram NN About the outdoor unit maintenance remote controllerService Checker Section Overview NN Mode settings NN Temperature monitorNN Outdoor unit alarm history monitor Functions NN Functions on the ordinary display All units test run Fig All units start/stop FigCooling/heating change Fig Double-speed NN Display functions Item code Remarks Locations where Œ, , and Ž are displayed as shown in Fig Sample displays Meaning of display colon Display of unit Nos −Is not displayed Monitoring Operations NN Display of unit No main unit Indoor unit Outdoor Unit Alarm History Monitor Operating procedure Display of ﬁrst 4 digits Display of last 4 digits Mode SettingsSetting mode 1 Operating procedure B are displayed alternately Setting mode 2 Operating procedure List of Item Codes Memo Remote Controller Functions Procedure Simple Settings FunctionRemote Controller Functions Section List of Simple Setting Items Item code Setting data Description Detailed Settings Function List of Detailed Setting Items Setting data Item code Description Minutes No forced operation DC fan tap operating Purpose Mode Simple setting items Filter sign on times for each model Enabled 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 Functions Test 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. TD Sensor Temperature Relationship Table 2WAY ECO-i Alarm Codes Alarm code Alarm meaning 2WAY ECO-i Alarm Codes E15 Alarm Alarm code E06 Alarm Alarm codeE12 Alarm Alarm code S004 S005 E24 Alarm Alarm code E16 Alarm Alarm codeE20 Alarm Alarm code CN001 E26 Alarm Alarm code E25 Alarm Alarm codeE29 Alarm Alarm code F04, F05 Alarm Alarm code F06, F23 Alarm Alarm code F07, F24 Alarm Alarm code F08 Alarm Alarm code F12 Alarm Alarm code F16 Alarm Alarm code F17 Alarm Alarm code F31 Alarm Alarm code H11, H12 Alarm Alarm code H03, H13 Alarm Alarm code H15 Alarm Alarm code H06 Alarm Alarm code Which may damage the compressor H07 Alarm Alarm code H08, H27 Alarm Alarm code H31 Alarm Alarm code L17 Alarm Alarm code L04 Alarm Alarm codeL10 Alarm Alarm code L18 Alarm Alarm code P03, P17 Alarm Alarm code P04 Alarm Alarm code P05 Alarm Alarm code P22 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 display Blinking Inspection Display on the Remote Controller Alarm meaning Compressor magnet SW seizing detected Inspection of Parts Test Pin Output Operation Room temp.sensor Thermister Characteristics CurveIndoor heat exch. coil sensor E1, E3 Compressor discharge gas temp. sensor Memo Service hvac.service@sna.sanyo.com 201002