Toshiba RAS-10SK-E, RAS-10SKX, RAS-10SAX, RAS-10SA-E service manual Contents

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		CONTENTS
1. SPECIFICATIONS			4
2. CONSTRUCTION VIEWS			6
2-1.	Indoor Unit		6
2-2.	Outdoor Unit		7
3. WIRING DIAGRAM			8
4. SPECIFICATIONS OF ELECTRICAL PARTS			9
4-1.	Indoor Unit		9
4-2.	Outdoor Unit		9
5. REFRIGERANT CYCLE DIAGRAM			10
6. MICRO-COMPUTER BLOCK DIAGRAM			11
7. OPERATION DESCRIPTIONS			12
7-1.	FAN ONLY Operation		12
7-2.	COOL Operation		12
	7-2-1.	Louver Control	13
7-3.	DRY Operation		13
7-4.	AUTO Operation		14
	7-4-1.	Temporary Auto	14
7-5.	ECONO. Mode		15
	7-5-1. Cooling		15
7-6.Low-Temperature Limit Control (Cooling Operation)			15
7-7.	Auto Restart Function		16
	7-7-1. How to Set the Auto Restart		16
	7-7-2. How to Cancel the Auto Restart		17
	7-7-3. In Case of Power Failure during the Timer Operation		17
8. INSTALLATION PROCEDURE			18
8-1.	Safety Cautions		18
8-2. Installation Diagram of Indoor and Outdoor Units			20
8-3.	Installation		21
	8-3-1.	Optional Parts	21
	8-3-2.	Installation Parts	21
8-4.	Indoor Unit		22
	8-4-1. Cutting a Hole and Mounting Installation Plate		22
	8-4-2.	Electrical Work	23
	8-4-3.	Wiring Connection	24
	8-4-4. Piping and Drain Hose Installation		26
	8-4-5.	Indoor Unit Installation	27
	8-4-6. Drainage		27
8-5.	Outdoor Unit		28
	8-5-1.	Refrigerant Piping Connection	29
	8-5-2.	Vacuum Pumping	29
	8-5-3.	Wiring Connection	30
8-6.	Others		31
	8-6-1.	Gas Leak Test	31
	8-6-2.	Test Operation	31
	8-6-3.	Auto Restart Setting	31

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Contents R C O Contents Primary Judgement of Trouble Sources Troubleshooting FlowchartsWhat to be Prechecked First Specifications RAS-10SK-E/10SA-E RAS-10SKX/10SAX CoolingCondition JIS C9612-1994 Temperature Cooling Construction Views Indoor UnitOutdoor Unit RAS-10SA-E RAS-10SAXWiring Diagram Main P.C. BoardSpecifications of Electrical Parts Parts name Type SpecificationsRefrigerant Cycle Diagram RAS-10SK-E / RAS-10SA-E RAS-10SKX / RAS-10SAXMICRO-COMPUTER Block Diagram AUTO, COOL, DRY, FAN onlyCool Operation Operation DescriptionsFAN only Operation M3/hDRY Operation Louver ControlAuto Operation Temporary AutoCooling ECONO. ModeLow-Temperature Limit Control Cooling Operation How to Set the Auto Restart Auto Restart FunctionHow to Cancel the Auto Restart Case of Power Failure during the Timer OperationInstallation Procedure Safety Cautions For general public useUK Plugs and Sockets etc Safety Regulations SI Number Installation Diagram of Indoor and Outdoor Units AttachOptional Parts InstallationInstallation Parts Remote control Installation placeCutting a Hole and Mounting Installation Plate Mounting the installation plateWhen the installation plate is directly mounted on the wall Electrical WorkHow to open the screw cap Wiring ConnectionHow to remove the front cabinet Taking out the power cordStripping length of connecting cable How to install the front cabinet on the indoor unitCase of downward piping Piping and Drain Hose InstallationCase of rightward piping Left-hand connection with pipingIndoor Unit Installation DrainageStrong wind Flaring Refrigerant Piping ConnectionVacuum Pumping Tightening connectionPacked Valve Handling Precautions A5 mm hexagon wrench is requiredOthers Auto Restart SettingHow to set the Auto Restart Gas Leak TestWhat to be Prechecked First Troubleshooting ChartPower Supply Voltage Incorrect Cable Connection between Indoor and Outdoor UnitsMisleading but Good Operations Program Controlled Operation Operation of air-conditioner DescriptionBlock display Primary Judgement of Trouble SourcesRole of Indoor Unit Controller Self-diagnosis with remote control Selecting ordinary modeSelf-diagnosis by check codes Operating key Indication after operationCondition Code Status Preliminary checks Troubleshooting FlowchartsPower can not be Turned on No Operation at All Outdoor Unit does not Operate Power can not be Turned on after Replacing Indoor PC BoardChecking Procedure Only Compressor does not Operate Only Outdoor Fan does not Operate Check procedure Only the Indoor Fan does not OperateThere is no beep from Inspection procedures How to Check the PC BoardOperating precautions Main PC board partProcedure Check Point Symptom Causes PC Board Layout Top View Bottom ViewHow to Reduce the Operation Time of the Anti-Restart Timer SensorPart Replacement Indoor Unit RAS-10SK-E, RAS-10SKXPart name Procedure Remarks Microcomputer RAS-10SK-E, RAS-10SKX Outdoor Unit RAS-10SA-E, RAS-10SAX OFF Exploded Views and Parts List Part DescriptionIndoor Unit Capillary Tube