Sanyo SAP-KRV94EHDX service manual Removing the Electrical Component Box

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Removing the grille
1. Fully open the front panel, pulls the front panel while holding its part adjacent to the arm, and remove the front panel.
2. Remove the screw on top right of the main body. Also remove the screw found when the screw cover is opened.
3. Push three tabs on top side of the ornamental panel to remove them.
4. Pull the grille forward to remove it as it is.
Front panel
Arm
Screw (Do not forget.)
Grille
Flap Screw cover
(2)

8-3. Removing the Electrical Component Box

(Before replacing the P.C.Board with another, remove the electrical component box from the main body and its cover plate.)

(1)Remove the grille.

(2)Prior to remove the electrical component box, carry out the following:

(2-1) Remove the operating box of the main body and electrical component box pad plate 1.

(2-2) Disconnect all the connectors located on the P.C.Board.

(2-3) Take wiring out of the electrical component box.

(2-4) Fold down the electrical component box pad plate 2 forward and remove the electromagnetic valve coil connector.

(2-5) Remove the temperature/humidity sensor.

Temperature /Humidity sensor

Connectors

Operating box

Electrical component box pad plate 1

Heat exchanger sensor

Ground wire terminal

Screw for the electrical component box

Electrical component box pad plate 2

Electromagnetic valve coil connector

P.C.Board

Electrical component box

Screws

 

Inter-unit

 

wiring

Terminal cover

 

 

 

(1)

Lower right cover

Screw for the terminal cover

Remove this cover in the

 

 

(order of steps (1) and (2). )

(2-6)

Remove the heat exchanger sensor and

(2-8)

Remove the lower right cover.

 

ground wire terminal.

(2-9)

Remove the terminal cover and remove the

(2-7)

Remove screws for the electrical

 

inter-unit cables.

 

component box.

 

 

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Contents DC Inverter Split System AIR Conditioner Table of Contents Checking Electrical Components For safe installation and trouble-free operation, you Must Please Read Before StartingOperating Range Unit Specifications Indoor Unit SAP-KRV94EHDXSAP-KRV124EHDX Outdoor Unit SAP-CRV124EHDXMajor Component Specifications SAP-KRV94EHDXCB-KRV124EHDX Outdoor Unit CB-CRV124EHDX Other Component Specifications Dimensional Data Dia .35 1/4 Insulation of Refrigerant Tubing Refrigerant Flow DiagramRefrigerant Flow Diagram Indoor Unit SAP-KRV94EHDX Outdoor Unit SAP-CRV94EHDXTemperature Charts Performance DataIndoor 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 Recommended Wire Length and Diameter Wiring System DiagramRemote Control Unit Installation Position Mounting on a WallHow to Test Run the Air Conditioner ON/OFFRemove 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 and Mounting the Drain Pan Air Outlet Assy Removing the Drain Pan Air Outlet AssyMounting the Drain Pan Air Outlet Assy Water in the drain panRemoving the Negative Ion Generator Removing and Mounting the Fan Motor Removing the Fan MotorMounting the Fan Motor Removing the Fan How to Disconnect How to ConnectEmergency operation FunctionsOperation Functions Auto cooling/heating operationTimer backup Lamp colorsOverload prevention during heating Compressor discharge temperature controlProtective Functions Freeze preventionMode Cooling Mode HeatingNon-Stop Defrosting Troubleshooting Precautions before Performing Inspection or RepairMethod of Self-Diagnostics Self-diagnostics Lamps ION Timer OperationChecking the Indoor and Outdoor Units Remedy for symptom 3 to Diagnostic procedureDiagnostic results Trouble Diagnosis of Indoor and Outdoor Fan MotorOutdoor 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 Checking Electrical Components Measurement of Insulation ResistanceChecking Continuity of Fuse on PCB Assy Checklist before Servicing Refrigerant R410A Special Precautions When Servicing UnitCharacteristics of New Refrigerant R410A Size of flareNo use of refrigerant other than R410A Tubing precautionsNo addition of compressor oil for R410A If refrigerant R410A is exposed to fireFor servicing, use the following tools for R410A Tubing Installation ProceduresTools Specifically for R410A Tool Distinction Tool NameProcedure for Replacing Compressor Case of Compressor MalfunctionNever charge a large amount Configuration and characteristics of cylindersRecharging Unit. This may causeCase Refrigerant is Leaking Welding leaking pointsRetro-Fitting Existing Systems When Tubes are ExtendedCharging Additional Refrigerant Use of Existing UnitsOI-852-6-4180-791-00-0 Features Child LockContents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts Unit Display and Operation Button Remote Control Unit Display Remote Control Unit DRY AutoHeat CoolUsing the Remote Control Unit ONE TIME/EVERYDAYUsing the Remote Control Unit Remote control unit mount Mounting screws 4 x 16 includedControl Unit Step Operation with the Remote Control UnitStep Press the ON/OFF operation buttonOperation with the Remote Control Unit Cover closed Cover opened StepAdjusting the Fan Speed Setting Cooling and DRY ModeNight Setback Mode is used for saving energy Setting TemperatureQuiet Mode Special Remarks Setting the Timer Example To set toOperation Indication 2230 610 2000 Present time Setting the TimerTo cancel a timer program Press the Cancel button OFFCancellation procedure Using the 1.2.3.5-Hour OFF TimerSetting procedure Operation together with the Daily ON/OFF Repeat TimerAdjusting the Airflow Direction SweepFAN Heat Care and Cleaning Indoor UnitRemounting the front panel Care and CleaningHow to replace the anti-mold FilterHow to clean the air clean filter Negative ion generator metal electrodes inside plastic caseTroubleshooting 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.