Sanyo SAP-KRV94EHDX service manual Checking Electrical Components

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10. TROUBLESHOOTING

 

10-1. Precautions before Performing Inspection or Repair

43

10-2.

Method of Self-Diagnostics

43

10-3. Checking the Indoor and Outdoor Units

45

10-4. Trouble Diagnosis of Indoor and Outdoor Fan Motor

46

10-5. Noise Malfunction and Electromagnetic Interference

48

10-6. Checking and Troubleshooting when the Front Panel fails to work

49

11. CHECKING ELECTRICAL COMPONENTS

 

11-1. Measurement of Insulation Resistance

51

11-2. Checking Continuity of Fuse on PCB Ass'y

52

12. REFRIGERANT R410A:

 

SPECIAL PRECAUTIONS WHEN SERVICING UNIT

 

12-1. Characteristics of New Refrigerant R410A

53

12-2.

Checklist before Servicing

53

12-3. Tools Specifically for R410A

55

12-4.

Tubing Installation Procedures

55

12-5. In Case of Compressor Malfunction

56

12-6. In Case Refrigerant is Leaking

58

12-7.

Charging Additional Refrigerant

59

12-8.

Retro-Fitting Existing Systems

59

 

 

 

APPENDIX

............................................................................................INSTRUCTION MANUAL

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Contents DC Inverter Split System AIR Conditioner Table of Contents Checking Electrical Components Please Read Before Starting For safe installation and trouble-free operation, you MustOperating Range Indoor Unit SAP-KRV94EHDX Unit SpecificationsOutdoor Unit SAP-CRV124EHDX SAP-KRV124EHDXSAP-KRV94EHDX Major Component SpecificationsCB-KRV124EHDX Outdoor Unit CB-CRV124EHDX Other Component Specifications Dimensional Data Dia .35 1/4 Indoor Unit SAP-KRV94EHDX Outdoor Unit SAP-CRV94EHDX Refrigerant Flow DiagramRefrigerant Flow Diagram Insulation of Refrigerant TubingPerformance Data Temperature ChartsIndoor Unit SAP-KRV124EHDX Outdoor Unit SAP-CRV124EHDX Air Throw Distance Charts Indoor Unit SAP-KRV124EHDX Electrical Characteristics CoolingHeating Electric Wiring Diagrams Outdoor Unit Indoor UnitSAP-CRV94EHDX SAP-KRV94EHDX SAP-CRV124EHDX SAP-KRV124EHDX Installation Site Selection About Wiring System Diagram Recommended Wire Length and DiameterMounting on a Wall Remote Control Unit Installation PositionON/OFF How to Test Run the Air ConditionerRemove the Grille to Install the Indoor Unit How to remove the grilleHow to replace the grille Maintenance Address Setting of the Remote Control UnitSwitching the remote controller address Removing and Mounting the Drain Hose Removing the Electrical Component Box Page Removing the Panel Motor Removing the Drain Pan Air Outlet Assy Removing and Mounting the Drain Pan Air Outlet AssyWater in the drain pan Mounting the Drain Pan Air Outlet AssyRemoving the Negative Ion Generator Removing and Mounting the Fan Motor Removing the Fan MotorMounting the Fan Motor Removing the Fan How to Connect How to DisconnectAuto cooling/heating operation FunctionsOperation Functions Emergency operationLamp colors Timer backupFreeze prevention Compressor discharge temperature controlProtective Functions Overload prevention during heatingMode Cooling Mode HeatingNon-Stop Defrosting Troubleshooting Precautions before Performing Inspection or RepairMethod of Self-Diagnostics ION Timer Operation Self-diagnostics LampsChecking the Indoor and Outdoor Units Trouble Diagnosis of Indoor and Outdoor Fan Motor Diagnostic procedureDiagnostic results Remedy for symptom 3 toOutdoor Fan Motor Noise Malfunction and Electromagnetic Interference Noise malfunctionElectromagnetic interference Upper right screw Grille Screw Flap Screw cover Making a Diagnosis of the Panel Motor Measurement of Insulation Resistance Checking Electrical ComponentsChecking Continuity of Fuse on PCB Assy Size of flare Refrigerant R410A Special Precautions When Servicing UnitCharacteristics of New Refrigerant R410A Checklist before ServicingIf refrigerant R410A is exposed to fire Tubing precautionsNo addition of compressor oil for R410A No use of refrigerant other than R410ATool Distinction Tool Name Tubing Installation ProceduresTools Specifically for R410A For servicing, use the following tools for R410ACase of Compressor Malfunction Procedure for Replacing CompressorUnit. This may cause Configuration and characteristics of cylindersRecharging Never charge a large amountWelding leaking points Case Refrigerant is LeakingUse of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing SystemsOI-852-6-4180-791-00-0 Child Lock FeaturesContents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts Unit Display and Operation Button Remote Control Unit Display Remote Control Unit Cool AutoHeat DRYONE TIME/EVERYDAY Using the Remote Control UnitUsing the Remote Control Unit Remote control unit mount Mounting screws 4 x 16 includedControl Unit Press the ON/OFF operation button Operation with the Remote Control UnitStep StepCover closed Cover opened Step Operation with the Remote Control UnitAdjusting the Fan Speed Setting Temperature Cooling and DRY ModeNight Setback Mode is used for saving energy SettingQuiet Mode Special Remarks Setting the Timer Example To set toOperation Indication OFF Setting the TimerTo cancel a timer program Press the Cancel button 2230 610 2000 Present timeOperation together with the Daily ON/OFF Repeat Timer Using the 1.2.3.5-Hour OFF TimerSetting procedure Cancellation procedureAdjusting the Airflow Direction SweepFAN Heat Indoor Unit Care and CleaningFilter Care and CleaningHow to replace the anti-mold Remounting the front panelNegative ion generator metal electrodes inside plastic case How to clean the air clean filterTroubleshooting Operating RangeTrouble Possible Cause Remedy Osaka, Japan Sept

SAP-KRV94EHDX specifications

The Sanyo SAP-KRV94EHDX is a cutting-edge split-type air conditioning unit that exemplifies advanced technology and efficiency. Designed for both residential and commercial spaces, this model is equipped with features that cater to various cooling and heating needs.

One of the main highlights of the Sanyo SAP-KRV94EHDX is its energy efficiency. With a high Energy Efficiency Ratio (EER), this unit minimizes energy consumption while maximizing cooling performance. This not only results in lower electricity bills but also contributes to a reduced carbon footprint, making it an environmentally friendly choice for users.

The SAP-KRV94EHDX employs inverter technology, which allows the compressor to adjust its speed dynamically based on the temperature requirements of the environment. This means that the unit operates more quietly and uses less energy when maintaining a consistent temperature. The inverter system ensures that the air conditioner can quickly reach the desired cooling or heating temperature and maintain it without the frequent on-off cycles typical of traditional units.

Additionally, the air conditioning unit comes with a powerful cooling capacity, effectively managing larger spaces. It can easily handle varying ambient conditions while providing rapid cooling in extremely warm weather, making it perfect for areas with hot climates.

Other notable features include a user-friendly remote control, allowing users to adjust settings from a distance effortlessly. The unit also incorporates a multi-stage air filtration system designed to remove dust, allergens, and other airborne particles, contributing to better indoor air quality.

The Sanyo SAP-KRV94EHDX is not just about functionality; it also boasts a sleek and modern design that blends seamlessly with various interior aesthetics. Its quiet operation ensures that it does not disturb daily activities, making it suitable for bedrooms, offices, and living spaces.

Moreover, the unit comes with various operational modes, including cooling, dehumidification, and a heating function. This versatility makes the SAP-KRV94EHDX an all-season solution for climate control.

In summary, the Sanyo SAP-KRV94EHDX is a top-tier air conditioning unit that combines efficiency, advanced technology, and user convenience. Its inverter technology, multi-stage air filtration, and modern design make it a reliable choice for anyone seeking comfort throughout the year.
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