Toshiba RAS-10SAX, RAS-10SKX, RAS-10SK-E, RAS-10SA-E service manual Part name Procedure Remarks

Page 49

No.

Part name

 

Procedure

Remarks

Horizontal grille

1) Perform the process .

 

 

Note:

2) Remove the screw fixing the louver motor, and

 

 

The horizontal

 

remove the louver motor.

 

 

grille can not be

3) Remove the shaft of the horizontal grille from the

 

 

removed without

 

drain-pan.

 

 

removing the

 

 

 

 

louver motor.

 

 

 

Heat exchanger

1) Perform the process ƒ.

 

 

 

2)

Remove the pipe holder from the rear side of main

 

 

 

 

unit by removing the screw.

 

 

 

3)

Unhook the hooks fixing the left side of the heat

 

 

 

 

exchanger and remove the screw fixing it, then

 

 

 

 

remove the right side of the end plate from the rib

 

 

 

 

fixing the main unit by sliding the heat exchanger

 

 

 

 

slightly to the right side.

 

Cross flow fan

1) Perform the process ƒ.

 

 

 

2)

Loosen the set screw of the cross flow fan.

 

 

 

3)

Remove the screw fixing the shaft bearing base.

 

 

 

4)

Lift slightly up the left side of the heat exchanger,

 

 

 

 

and pull the shaft bearing base out left downwards.

 

 

 

When assembling it, fix it with the set screw on the

 

 

 

position where the gap between the rear plate surface

 

 

 

and the left end surface of the cross flow fan is 6 ~

 

 

 

7mm.

 

Shaft bearing

1) Perform the process above.

 

 

 

2)

Remove the shaft bearing from the shaft bearing base.

 

 

 

 

<Caution for assembling>

 

 

 

• If a part of the shaft bearing is protruded from the

 

 

 

 

housing, assemble it after pushing its portion into

 

 

 

 

the correct position in the housing.

 

ˆ Fan motor

1) Perform the process above.

 

 

 

2)

Perform the process -2) above.

 

 

 

3)

Remove the left and right motor bands.

 

 

 

4)

Remove the fan motor after pulling the cross flow

 

 

 

 

fan out sliding it left and right.

 

 

 

 

– 49 –

 

Image 49
Contents R C O Contents What to be Prechecked First Troubleshooting FlowchartsPrimary Judgement of Trouble Sources RAS-10SK-E/10SA-E RAS-10SKX/10SAX Cooling SpecificationsCondition JIS C9612-1994 Temperature Cooling Indoor Unit Construction ViewsRAS-10SA-E RAS-10SAX Outdoor UnitMain P.C. Board Wiring DiagramParts name Type Specifications Specifications of Electrical PartsRAS-10SK-E / RAS-10SA-E RAS-10SKX / RAS-10SAX Refrigerant Cycle DiagramAUTO, COOL, DRY, FAN only MICRO-COMPUTER Block DiagramFAN only Operation Operation DescriptionsCool Operation M3/hLouver Control DRY OperationTemporary Auto Auto OperationLow-Temperature Limit Control Cooling Operation ECONO. ModeCooling Auto Restart Function How to Set the Auto RestartCase of Power Failure during the Timer Operation How to Cancel the Auto RestartSafety Cautions For general public use Installation ProcedureUK Plugs and Sockets etc Safety Regulations SI Number Attach Installation Diagram of Indoor and Outdoor UnitsInstallation Parts InstallationOptional Parts Cutting a Hole and Mounting Installation Plate Installation placeRemote control Mounting the installation plateElectrical Work When the installation plate is directly mounted on the wallHow to remove the front cabinet Wiring ConnectionHow to open the screw cap Taking out the power cordHow to install the front cabinet on the indoor unit Stripping length of connecting cableCase of rightward piping Piping and Drain Hose InstallationCase of downward piping Left-hand connection with pipingDrainage Indoor Unit InstallationStrong wind Vacuum Pumping Refrigerant Piping ConnectionFlaring Tightening connectionA5 mm hexagon wrench is required Packed Valve Handling PrecautionsHow to set the Auto Restart Auto Restart SettingOthers Gas Leak TestPower Supply Voltage Troubleshooting ChartWhat to be Prechecked First Incorrect Cable Connection between Indoor and Outdoor UnitsOperation of air-conditioner Description Misleading but Good Operations Program Controlled OperationRole of Indoor Unit Controller Primary Judgement of Trouble SourcesBlock display Selecting ordinary mode Self-diagnosis with remote controlOperating key Indication after operation Self-diagnosis by check codesCondition Code Status Power can not be Turned on No Operation at All Troubleshooting FlowchartsPreliminary checks Checking Procedure Power can not be Turned on after Replacing Indoor PC BoardOutdoor Unit does not Operate Only Compressor does not Operate Only Outdoor Fan does not Operate Only the Indoor Fan does not Operate Check procedureThere is no beep from Operating precautions How to Check the PC BoardInspection procedures Main PC board partProcedure Check Point Symptom Causes Top View Bottom View PC Board LayoutSensor How to Reduce the Operation Time of the Anti-Restart TimerIndoor Unit RAS-10SK-E, RAS-10SKX Part ReplacementPart name Procedure Remarks Microcomputer RAS-10SK-E, RAS-10SKX Outdoor Unit RAS-10SA-E, RAS-10SAX OFF Part Description Exploded Views and Parts ListIndoor Unit Capillary Tube