Toshiba RAS-13UKV-E2, RAS-13UAV-E2 HOW to Replace the Main Parts, Part name Procedures Remarks

Page 73

FILE NO. SVM-03008

11. HOW TO REPLACE THE MAIN PARTS

11-1. Indoor Unit

No.

Part name

 

Procedures

 

 

Remarks

 

1

Front panel

How to remove the front panel

 

 

 

2

 

 

 

 

 

 

 

1)

Stop operation of the air conditioner and turn off

 

 

 

 

 

 

 

 

its main power supply.

2

2

 

 

 

2)

Pull the air inlet grille toward you to open it and

 

 

 

 

 

 

 

 

 

 

 

remove the air inlet grille.

 

 

 

 

 

 

 

 

Then remove the 4 screws fixing the front panel.

 

 

 

 

 

 

 

3)

Open the horizontal louver, and then remove the

 

 

2 4-Screws

 

 

 

 

front panel from the back body by pulling it

 

 

 

 

 

 

 

 

 

 

 

 

 

 

toward you.

 

 

3

 

 

 

 

 

 

 

 

 

 

How to mount the front panel

 

 

 

 

 

 

 

 

Mount the front panel in position and make sure

 

 

 

 

 

 

 

 

all hooks are locked.

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Electrical part

How to remove the electrical part.

 

 

 

 

 

 

 

1)

Remove the front panel with the procedure 1.

 

 

 

2 Screws

 

 

 

2)

Remove the screw holding the electrical part

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cover.

 

 

 

 

 

 

 

3)

Remove the drain guide.

 

 

 

 

 

 

 

4)

Disconnect the connector (6P) for the fan motor

 

 

 

 

 

 

 

 

and the connector (5P) for the louver motor from

 

 

 

 

 

 

 

 

the P.C. board assembly.

 

 

3 Drain guide

 

 

 

5)

Pull out the TC sensor from the sensor holder.

 

 

 

 

 

 

 

 

 

 

 

 

6)

Remove each screw for the ground wire, the

 

 

 

5TC Sensor

 

 

 

 

electrical part box and the LED unit. Then

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

remove the LED unit and the electrical part box

 

 

 

 

 

 

 

 

from the main unit.

 

 

 

 

 

 

 

How to mount the electrical part.

 

 

 

 

 

 

 

1)

Fix the electrical part box by the upper hook of

 

 

 

 

 

 

 

 

the back body.

 

 

 

 

 

 

 

2)

Tighten 2 screws on the electrical part box.

 

 

 

 

 

 

 

3)

Connect the 2 connectors and arrange the

 

 

6 Screws

4

 

 

 

 

 

 

 

wiring same as original condition and then

 

 

 

2-Connectors

 

 

 

tighten the screw to fix the LED unit to the back

 

 

 

 

 

 

 

 

body.

 

 

 

 

 

 

 

4)

Attach the TC sensor to the holder.

 

 

 

6 2-Screws

 

 

 

5)

Tighten the screw for the ground wire.

 

 

 

 

 

 

 

 

 

 

 

 

 

6)

Mount the drain guide (the TC sensor wire

 

 

 

 

 

 

 

 

should be covered with the drain guide).

 

 

 

 

 

 

 

7)

Tighten the screw of the electrical part cover.

 

 

 

 

 

3 Horizontal louver

1)

Remove the front panel and the electrical part

 

 

with the procedure 2.

 

2)

Remove the center shaft of the horizontal louver

 

 

from the back body.

 

3)

Remove the left shaft from the back body.

 

4)

Remove the horizontal louver from the back

 

 

body.

3 Left shaft

2 Center shaft

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Page 72 Page 74
Contents AIR Conditioner Contents HOW to Replace the Main Parts Specifications SpecificationsCapacity Variation Ratio According to Temperature Operation Characteristic CurveRefrigerant Piping Installation Safety During Installation/ServicingRefrigerant R410A Piping materials and joints usedThickness mm 1 Thicknesses of annealed copper pipesOuter diameter mm R410A R22 Processing of piping materialsClutch type Wing nut type Flare tool for R410A Conventional flare toolWidth Diameter·m kgf·m ·m kgf·cmRequired tools ToolsGeneral tools Conventional tools can be used Recharging of Refrigerant 1 Configuration of refrigerant chargingBrazing of Pipes Types of flux Noncorrosive flux Characteristics required for fluxActivated flux Brazing215 Indoor UnitCover PV Outdoor Unit1 Simple Check for Failure Diagnosis Wiring DiagramCheck Item Diagnosis Result BRW Specifications Specification of Electrical PartsParts name RatingRefrigerant Cycle Diagram Refrigerant Cycle DiagramOperation Data Rays Control Block DiagramMCC813P.C.B Outdoor Unit Inverter AssemblyOutlined of Air Conditioner Control Operation DescriptionCapacity control Power factor improvement control1 Compressor revolution range Operation Model Revolution rps5. P.M.V. Pulse Modulating Valve Prevent-freezing controlLouver control Indoor fan control DC fan motorModel name Outdoor fan control DC fan motorCompressor revolution rps From Cooling capacity control Description of Operation CircuitBy indoor fan speed Limit for maximum compressor motor speedHeating operation Basic controlHeating capacity control Starting and in stability StabilityHigh-temp. release control Defrost controlTime Automatic operationTemporary button Control Temporary OperationTemporary auto operation Temporary cooling operationWhen the unit is on standby Not operating Operation How to set auto restart functionWhen the unit is in operation Operation Auto Restart FunctionFilter Check Lamp Remote Control and its Functions Temperature display Mode displayTimer and clock time display Hi-POWER displayFile NO. SVM-03008 Safety Cautions Installation ProcedureTo Disconnect the Appliance from the Main Power Supply File NO. SVM-03008 Attach Installation Diagram of Indoor and Outdoor UnitsFixing bolt arrangement of outdoor unit Optional installation parts Part Parts name ’ty CodeOthers Accessory and installation partsName OptionNew tools for R410A Applicable to R22 model Changes Remote controller Installation placeMounting the installation plate Cutting a holeElectrical work When the installation plate is directly mounted on the wallDie-cutting Front panel slit How to remove the Drains CapChanging drain hose Case of right or left piping How to fix the Drains CapLeft-hand connection with piping Case of bottom right or bottom left pipingDrainage Run the drain hose sloped downwards Indoor unit fixingProjection margin in flaring a Unit mm Refrigerant piping connection FlaringR410A Conventional Copper pipe Tool used Copper pipe Tightening connectionOuter dia Tightening torque Copper pipe Using a vacuum pumpShaping pipes EvacuatingWiring connection Packed valve handling precautionsStripping length of connection cable How to set the auto restart Auto restart settingGas leak test Test operationFirst Confirmation HOW to Diagnose the TroubleOperation which is not a trouble Program operation Primary JudgmentOperation of air conditioner Description Judgment by Flashing LED of Indoor Unit IndoorindicationHow to use remote control in service mode Self-Diagnosis by Remote Control Check CodeCause of operation Short circuit. Replace Check Item Judgment of Trouble by Every SymptomTurn on power supply YES Only indoor fan motor does not operate Primary checkInspection procedure Troubleshooting for remote control Pipe clogging Check procedure Check Code 1C Miswiring in indoor/outdoor units and 1EAGE on P.C. board How to Diagnose Trouble in Outdoor UnitDiagnosis/Process flowchart Contents Summary How to Check Simply the Main PartsInspection procedures Main P.C. board partOPERATION, TIMER, PRE. DEF Check procedures Procedure Check points Symptom Causes10-8-2. P.C. board layout Sensor characteristic tableBottom View Outdoor unit Part name Checking procedure Indoor unit Other parts Part name Checking procedureDiode check Igbt check Checking Method for Each Part Part name Checking procedureCause SymptomPart name Procedures Remarks HOW to Replace the Main PartsFigure below For position of the fan motor connector Microcomputer Detachment Requirement Connector is one Assembly to other parts Fan motor Perform work of item 1 of 1 Set take-out part of the lead wire of coil to Part name Board layout MCC-813 Indoor Unit E-Parts Assy Exploded Views and Parts ListFront Panel Assy Cabinet, Front, Assy Outdoor Unit E-Parts Assy Toshiba Carrier Corporation

RAS-13UAV-E2, RAS-13UKV-E2 specifications

The Toshiba RAS-13UKV-E2 and RAS-13UAV-E2 air conditioning units represent a significant step forward in both comfort and energy efficiency. Designed for residential and light commercial use, these models are packed with features that cater to diverse climate control needs while adhering to modern standards of sustainability.

One of the standout features of both models is the implementation of inverter technology. This advanced system allows for more precise temperature control by adjusting the compressor speed based on the ambient temperature requirements. This not only enhances energy efficiency but also ensures a quieter operation compared to traditional air conditioning systems. As a result, users benefit from consistent comfort without the disruptive sounds often associated with cooling units.

The RAS-13UKV-E2 and RAS-13UAV-E2 also feature a high energy efficiency rating, which is crucial for reducing electricity bills. The Seasonal Energy Efficiency Ratio (SEER) is a vital measure of energy efficiency over an entire cooling season. Both units excel in this regard, making them an environmentally friendly choice. This is further supported by Toshiba's commitment to incorporating R32 refrigerant, known for its lower environmental impact compared to older refrigerants.

User convenience is enhanced with integrated smart controls. Both models are compatible with wireless remote control features, allowing for easy adjustments from a distance. This is complemented by programmable settings that let users schedule operation times, ensuring that the units run only when needed, which further optimizes energy consumption.

Design-wise, these air conditioners boast a sleek and modern appearance, making them a visually appealing addition to any room. They are constructed with durable materials that ensure longevity and reliability. Moreover, the filters are designed for easy maintenance, ensuring cleaner indoor air quality and prolonging the lifespan of the unit.

The Toshiba RAS-13UKV-E2 and RAS-13UAV-E2 units also come equipped with advanced air purification technologies. These features help to reduce airborne pollutants and allergens, contributing to a healthier indoor environment. With exceptional cooling and heating capabilities, easy installation, and advanced features, these models are designed to meet the modern user's needs for comfort, efficiency, and health. Overall, they represent an excellent investment in both cooling technology and eco-friendly practices.
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