Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic R410A Service Procedures, Meaning of Alarm Messages, Symptoms and Parts to Inspect

Models: R410A

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4. SERVICE PROCEDURES

4-1. Meaning of Alarm Messages	4-2
4-2. Symptoms and Parts to Inspect	4-5
4-3. Details of Alarm Messages	4-8
4-4.Table of Thermistor Characteristics	4-14

4-1

Page 165

Image 165

Panasonic R410A Service Procedures, Meaning of Alarm Messages, Symptoms and Parts to Inspect, Details of Alarm Messages

Contents

Indoor Unit TECHNICAL DATA & SERVICE MANUALOutdoor Unit Model NoPlease Read Before Starting SPECIAL PRECAUTIONSWhen Transporting When Installing…When Servicing Check of Density LimitOthers 1. Care regarding tubing 3. Different tools requiredManifold gauge Vacuum pump Configuration and characteristics of cylinders Fig.Fig. Section 4: SERVICE PROCEDURES Section 1: SPECIFICATIONSSection 2: PROCESSES AND FUNCTIONS Section 3: ELECTRICAL DATATENTATIVE 1. SPECIFICATIONS4-WayCassette Type 1. Specifications 1-1Unit SpecificationsPOWER SOURCE FEATURESPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHT1. Specifications 1-1Unit Specifications Wall Mounted TypePOWER SOURCE FEATURESPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHT1. Specifications 1-1Unit Specifications Ceiling TypePOWER SOURCE FEATURESPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHT1. Specifications 1-1Unit Specifications Low Silhouette Duct TypePOWER SOURCE FEATURESPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHTPOWER SOURCE 1. Specifications 1-1Unit SpecificationsFEATURES DIMENSIONS & WEIGHT1-2Major Component Specifications 1. SpecificationsA Indoor Unit DATA SUBJECT TO CHANGE WITHOUT NOTICE1-2Major Component Specifications 1. SpecificationsA Indoor Unit DATA SUBJECT TO CHANGE WITHOUT NOTICE1-2Major Component Specifications 1. SpecificationsA Indoor Unit DATA SUBJECT TO CHANGE WITHOUT NOTICE1-2Major Component Specifications 1. SpecificationsRemote controller Optional / Supplied A Indoor Unit1-2Major Component Specifications 1. SpecificationsA Indoor Unit DATA SUBJECT TO CHANGE WITHOUT NOTICE1-2Major Component Specifications 1. SpecificationsA Indoor Unit DATA SUBJECT TO CHANGE WITHOUT NOTICE1-2Major Component Specifications 1. SpecificationsA Indoor Unit DATA SUBJECT TO CHANGE WITHOUT NOTICE1-2Major Component Specifications 1. SpecificationsRemote controller Supplied / Optional A Indoor Unit1-2Major Component Specifications 1. SpecificationsRemote controller Supplied / Optional A Indoor Unit1. Specifications 1-2Major Component Specifications B Outdoor Unit1. Specifications 1-2Major Component Specifications B Outdoor UnitU-36PE1U6 1. Specifications 1-2Major Component Specifications B Outdoor UnitP-42PE1U6 1-2Major Component Specifications B Outdoor Unit 1. Specifications1. Specifications 1-2Major Component Specifications B Outdoor UnitU-36PS1U6 1-2Major Component Specifications B Outdoor Unit 1. Specifications1. Specifications 1-3Other Component Specifications Outdoor UnitDATA SUBJECT TO CHANGE WITHOUT NOTICE 1-351-3Other Component Specifications Outdoor Unit 1. SpecificationsDATA SUBJECT TO CHANGE WITHOUT NOTICE 1-361-3Other Component Specifications Outdoor Unit 1. SpecificationsDATA SUBJECT TO CHANGE WITHOUT NOTICE 1-37Indoor unit : 4-WayCassette Type 26 Type 1. Specifications 1-4Dimensional data1-4Dimensional data Indoor unit : 4-WayCassette Type 36, 42Type1. Specifications 1-4Dimensional data Indoor unit : Wall Mounted Type1. Specifications Drain and wiring port 3-5/321. Specifications 1-4Dimensional data Indoor unit : Ceiling Type 26 Type1. Specifications 1-4Dimensional data Indoor unit : Ceiling Type 36, 42 Type1. Specifications 1-4Dimensional data Indoor unit : Low Silhouette Duct Type 26 Type1. Specifications 1-4Dimensional data Indoor unit : Low Silhouette Duct Type 36 Type1. Specifications 1-4Dimensional data Indoor unit : Low Silhouette Duct Type1. Specifications 1-4Dimensional Data 1. Specifications 1-4Dimensional Data B Outdoor Unit: U-42PE1U6, U-42PS1U6Outdoor Unit : U-26PE1U6, U-26PS1U6 1-5Refrigerant Flow DiagramIndoor Unit : 26, 30, 36 Types U-36PE1U6, U-36PS1U61-6Operating Range Outdoor Unit: U-42PE1U6, U-42PS1U61. Specifications 1-5Refrigerant Flow DiagramU-26PE1U6, U-26PS1U6 U-36PE1U6, U-36PS1U6 U-42PE1U6, U-42PS1U61. Specifications 4-WayCassette Type 1. Specifications 1-8Noise Criterion Curves208 - 230 V, 1 Phase, 60 Hz 1. Specifications 1-8Noise Criterion CurvesWall Mounted Type S-26PK1U61. Specifications 1-8Noise Criterion Curves Ceiling TypeMODEL 1-8Noise Criterion Curves 1. SpecificationsLow Silhouette Duct Type 1. Specifications 1-8Noise Criterion Curves Outdoor UnitsHow to read the diagram 1. Specifications 1-9Increasing the Fan SpeedIndoor Fan Performance 26 Type1. Specifications 1-10Air throw distance chart 4-WayCassette TypeModel: 26 Type Model: 36, 42 TypeWall Mounted Type 1. Specifications 1-10Air throw distance chart1. Specifications 1-10Air throw distance chart Ceiling TypeModel: 26 Type Model: 36 TypeGeneral Precautions on Wiring 1. SpecificationsTime delay fuse or Time delay fuse orWiring System Diagrams 1. SpecificationsOutdoor Unit Indoor Unit U1, T1, F1 TypesHow to Connect Wiring to the Terminal 1. SpecificationsFor stranded wiring Fig.Outdoor Unit 1. Tubing Size 1. SpecificationsTable Indoor unit type2. Check of density limit 1. Specifications3. SELECTING THE INSTALLATION SITE 1. SpecificationsInstallation space Installation requirements3-3.Installing the Unit in Heavy Snow Areas 1. Specifications3-2. Air-DischargeChamber for Top Discharge Countermeasures against snow and wind3-5.Dimensions of Wind Ducting 1. SpecificationsFor U-26PES1U6 / U-36PES1U6unit For U-42PES1U6unitU-42PES1U6unit 1. SpecificationsWind direction1. Specifications U-26PES1U6 / U-36PES1U6 / U-42PES1U6Required space around outdoor unit 1. Specifications 3-6.Dimensions of Snow DuctingFor U-42PES1U6unit U-42PES1U6unit 1. SpecificationsReference diagram for snow-proofvents – 1. SpecificationsSpace requirements for setting – U-26PES1U6 / U-36PES1U6 / U-42PES1U6Reference diagram for snow-proofvents – 1. SpecificationsSpace requirements for setting – Installation in front-rearrows1. Specifications 4. HOW TO INSTALL THE OUTDOOR UNIT4-1.Installing the Outdoor Unit 4-3.Routing the Tubing and WiringIndoor Unit 5. SELECTING THE INSTALLATION SITE 1. Specifications5-1.Indoor Unit AVOID Ceiling Type1. Specifications 6. HOW TO INSTALL THE INDOOR UNIT4-WayCassette Type U1 Type 6-1.Suspending the Indoor Unit6-3.Placing the Unit Inside the Ceiling 1. SpecificationsFig. Fig.6-4.Installing the Drain Piping 1. SpecificationsFig. Fig.6-5.Checking the Drainage 1. Specificationsing to the outdoor unit are completed the drainage6-6.Before Installing the Ceiling Panel 1. SpecificationsCeiling Panel Fig.1. Specifications 6-7.Installing the Ceiling Panel6-8.When Removing the Ceiling Panel for Servicing 1 Accessories 1. Specifications2 Installation a Installing the air-intakeplenumd Installing the ceiling panel 1. Specificationsceiling Fig.trical wiring or conduits are 1. SpecificationsWall Mounted Type K1 Type 6-10.Removing the Wall Fixture from the Unit6-12.Installing the Rear Panel on the Wall 1. Specificationsa If Wooden Wall b If Block, Brick, Concrete or Similar Type WallHow to remove the grille 1. SpecificationsHow to replace the grille 6-14.Preparing the Indoor Side Tubing6-15.Wiring Instructions 1. SpecificationsGeneral Precautions on Wiring How to remove the cover plate6-18.Installing the Drain Hose 1. Specificationswiring to the outdoor unit are completed 6-17.Shaping the TubingCeiling Type T1 Type 1. Specifications6-19.Suspending the Indoor Unit Fig.Fig. 1. SpecificationsFig. Fig.Fig. 1. SpecificationsFig. Fig. Fig.6-21.Installing the Drain Piping 1. Specifications6-20.Duct for Fresh Air Fig.Low Silhouette Ducted Type F1 Type 1. SpecificationsTable Fig.enough to support the weight 1. Specifications6-23.Suspending the Indoor Unit It is important that you useFig. 6-24.Installing the Drain Piping 1. SpecificationsTighten the hose clamps so their locking nuts face upwardwhen you short the pin on the 1. Specifications6-25.Checking the Drainage Be careful since the fan will startHow to read the diagram 1. SpecificationsHT : Using the booster cable 6-26.Increasing the Fan Speed6-27.When Installing the Indoor Unit 1. SpecificationsFig. Fig.Checkpoint after installation 1. SpecificationsSymptom SUPPLEMENT ON DRAIN PIPING1. Specifications 7. HOW TO INSTALL THE WIRELESS REMOTE CONTROLLER7-1.Wireless Remote Controller Installation How to Install Batteries7-2.Room Temperature Sensor Setting 1. SpecificationsFig. 7-3.Address Switches 7-4.Setting the Model Code7-5.Indicator Section Installation 1. Specifications1 7-6.Operating Controller Installation controller wires together7-7.Indicator Section Installation 1. Specifications7-8.Operating Controller Installation Ceiling Type T1 Type7-9.Electrical Wiring 1. Specifications7-10.Test Run Switch Fig.7-11.Misoperation Alarm Indicators 1. SpecificationsAlarm Tablecontroller wires together 1. Specificationswith the power supply wires. Doing so can resultFig. 1. SpecificationsFig. Fig.7-13.Electrical Wiring 1. Specifications7-14.Test Run Switch To avoid placing an7-15.Misoperation Alarm Indicators 1. Specifications8. Transmitter 9. Remote control sensor 10. Temperature setting buttons7-16.Basic Wiring Diagram 1. SpecificationsBe sure to do the wiring correctly incorrect wiring7-17.Wiring System Diagram for Group Control 1. SpecificationsGroup control using 2 signal receiving units Wiring procedureWhen installing multiple remote controllers 1. SpecificationsSetting method 1Basic wiring diagram<CZ-RWSK1U> 7-19.Test Run Procedure 1. SpecificationsWireless remote controller transmitter Wall mounted Type K1 Type7-21-1.Changing the room temperature sensor 1. Specifications7-21-2.Using the remote controller Using the controller7-22.Precautions 1. SpecificationsIndoor unit control PCB Outdoor unit control PCBS-26PK1U6 1. SpecificationsNos. 1, 2 OFF, No. 3 ON Nos. 1, 2, 3 all OFF7-24.Diagnosis Table 1. SpecificationsCause Indoor unitFlaring Procedure with a Flare Tool 1. SpecificationsFig. Fig.Caution Before Connecting Tubes Tightly 1. SpecificationsCautions During Brazing Fig.Precautions for Packed Valve Operation 1. SpecificationsNever grasp the drain or refrigerant connecting outlets when moving the unit5. Finishing the Installation 1. Specifications4. Taping the Tubes Fig.Manifold gauge Fig. Vacuum pump 1. SpecificationsFig. 1. Leak Test2. Evacuation 1. SpecificationsUse a cylinder speciﬁcally designed for use with R410A3. Charging Additional Refrigerant 1. Specifications4.Finishing the Job R410A2. PROCESSES AND FUNCTIONS Room Temperature Control2-2Cold Draft Prevention Heating Cycle 2-3Automatic Fan Speed Indoor Unit2. Processes and functions 2-1Room Temperature ControlA Cooling Fig. Chart Summary and ExplanationsFig. Chart Summary and Explanations 2. Processes and functions B Heating2. Processes and functions 2-2Cold Draft Prevention Heating CycleB Heating 2-3Automatic Fan Speed Indoor Unit2. Processes and functions A Cooling2.Processes and functions 2-4Control FunctionsDischarge temperature release control Current release control2. Processes and functions Freeze prevention low-temperaturerelease controlOvercurrent protection control Current release value shift controlDefrost control 2. Processes and functions2-5Outdoor Unit Control PCB 1 Layout Diagram CR-CH4872R2. Processes and functions 2-6Outdoor Unit Control PCB CR-CH4272R 2. Processes and functions1 Explanation of Functions Table 1. Method of System Address Setting 2. Processes and functionsFig. Page 3. ELECTRICAL DATA Indoor UnitsOutdoor Units 3. Electrical data 3-1Indoor Units3. Electrical data Wall Mounted Type : S-26PK1U6 3. Electrical dataWall Mounted Type : S-26PK1U6 3. Electrical dataCeiling Type : S-26PT1U6, S-36PT1U6, S-42PT1U6 3. Electrical dataCeiling Type : S-26PT1U6, S-36PT1U6, S-42PT1U6 3. Electrical dataLow Silhouette Ducted Type : S-26PF1U6, S-36PF1U6 3. Electrical dataLow Silhouette Ducted Type : S-26PF1U6, S-36PF1U6 3. Electrical data3-2Outdoor Units 3. Electrical dataU-26PE1U6 3. Electrical data 3-2Outdoor Units3-2Outdoor Units 3. Electrical dataU-26PS1U6 3. Electrical data 3-2Outdoor Units3-2Outdoor Units 3. Electrical dataU-36PE1U6 3. Electrical data 3-2Outdoor Units3-2Outdoor Units 3. Electrical dataU-36PS1U6 3. Electrical data 3-2Outdoor Units3-2Outdoor Units 3. Electrical dataU-42PE1U6 3. Electrical data 3-2Outdoor Units3-2Outdoor Units 3. Electrical dataU-42PS1U6 3. Electrical data 3-2Outdoor UnitsPage 4-1.Meaning of Alarm Messages 4. SERVICE PROCEDURES4-2.Symptoms and Parts to Inspect 4-3.Details of Alarm Messages4-1.Meaning of Alarm Messages 4. Service proceduresWired BlinkingWired 4. Service proceduresWireless remoteRemarks 4. Service procedures4-2.Symptoms and Parts to Inspect 4. Service proceduresAlarm contentsAlarm 4. Service procedurescontents Judgment conditionAlarm 4. Service procedurescontents Judgment condition4-3.Details of Alarm Messages 4. Service procedures1 Alarm “P29” Input power detection circuit trouble4. Service procedures 2 Alarm “P26”HIC PCB trouble 3 Alarm “E31” 4. Service proceduresHIC-CH4872R HIC-CH2672R4 Alarm P22 4. Service procedures5 Alarms “F04,” “F06,” “F07,” “F08,” “F12” 4. Service procedures<Check procedure> 4. Service proceduresSensor Temperature Correlation Table Sensor installation4. Service procedures 4-4.Table of Thermistor CharacteristicsCheck Pin 1 Outdoor Air Temp. TO, Intake Temp. TS, HeatTemperatures 5. OUTDOOR UNIT MAINTENANCE REMOTE CONTROLAlarm History 5-1.OverviewSystem diagram 5. Outdoor unit maintenance remote controlTemperature monitor Outdoor unit alarm history monitor5-3.Normal Display Operations and Functions 5. Outdoor unit maintenance remote controlNormal display functions All units start/stop Fig. 1 <Operation>3XX-YYR.C Display contentsXX= Main bus line outdoor system address 1 – Item codebutton 5. Outdoor unit maintenance remote control5. Outdoor unit maintenance remote control 5. Outdoor unit maintenance remote control List of Item Codes 5. Outdoor unit maintenance remote controlItem code ParameterSetting mode 2 <Operating procedure> 5. Outdoor unit maintenance remote control5. Outdoor unit maintenance remote control List of Item CodesRefrigerant type 6-5.TestRun Using the Remote Controller 6-3.TestRun Procedure6-6.Precautions 6-8.Examples of Wiring Diagrams6. Test run 6. TEST RUN 6-1.Preparing for Test RunFig. Fig.6. Test run U1, K1, T1, F1 Type 6-2.Caution 6-3.TestRun ProcedureFig. 6-6.Precautions 6-5.Test Run Using the Remote Controller6-4.Items to Check Before the Test Run 6. Test run6. Test run Wired remoteCause Indoor unit6. Test run 6-8.Examples of Wiring Diagrams Basic wiring diagramFig. Fig. 6-6a Wiring procedure Basic wiring diagram6. Test run Fig. 6-6bSetting the outdoor unit system addresses 6. Test runFig. Main-subremote controller control Remote controller setting mode6. Test run

4. SERVICE PROCEDURES

4-1. Meaning of Alarm Messages

4-2. Symptoms and Parts to Inspect

4-3. Details of Alarm Messages

4-4.Table of Thermistor Characteristics

4-14