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Toshiba RAS-09LAV-UL, RAS-09LKV-UL, RAS-12LAV-UL, RAS-12LKV-UL manual

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FILE NO. SVM-10019

SERVICE MANUAL

	SPLIT TYPE
Indoor Unit	Outdoor Unit
<High Wall, Heat Pump Type>	<Heat Pump Type>
RAS-09LKV-UL RAS-09LAV-UL
RAS-12LKV-UL	RAS-12LAV-UL

R410A

Feburary, 2010

Contents

<High Wall, Heat Pump Type <Heat Pump Type Feburary CONSTRUCTION VIEWS WIRING DIAGRAM REFRIGERANT CYCLE DIAGRAM EXPLODED VIEWS AND PARTS LIST 1. SAFETY PRECAUTIONS New refrigerant air conditioner installation DANGER WARNING Page 2. SPECIFICATIONS 2-2.Operation Characteristic Curve <Cooling <Heating 2-3.Capacity Variation Ratio According to Temperature <Heating 3. REFRIGERANT R410A 3-1.Safety During Installation/Servicing 3-2.Refrigerant Piping Installation 3-2-1.Piping Materials and Joints Used 1.Copper Pipes Table 3-2-1Thicknesses of annealed copper pipes Thickness in. (mm) Outer diameter (mm) R410A R22 Fig. 3-2-1Flare processing dimensions Table 3-2-3Dimensions related to flare processing for R410A Outer A in. (mm) Nominal Table 3-2-6Flare and flare nut dimensions for R22 Fig. 3-2-2Relations between flare nut and flare seal surface 2.Flare Connecting Procedures and Precautions Table 3-2-7Tightening torque of flare for R410A [Reference values] Tightening torque 3-3-1.Required Tools 3-4.Recharging of Refrigerant bit by bit Fig. 3-4-1Configuration of refrigerant charging 3-5-1.Materials for Brazing 3-5-2.Flux 3-5-3.Brazing Never use gas other than Nitrogen gas 4. CONSTRUCTION VIEWS 4-2.Outdoor Unit 5. WIRING DIAGRAM 5-2. RAS-12LKV-UL /RAS-12LAV-UL 6. SPECIFICATIONS OF ELECTRICAL PARTS 7. REFRIGERANT CYCLE DIAGRAM RAS-12LKV-UL / RAS-12LAV-UL INDOOR UNIT OUTDOOR UNIT 7-2.Operation Data 8. CONTROL BLOCK DIAGRAM MICRO-COMPUTERBLOCK DIAGRAM Unit Outdoor MCC5009 (P.C.B) Assembly) (Inverter 9. OPERATION DESCRIPTION 9-2.Operation Description 9-3.Auto Restart Function 9-4.Remote Controller and Its Fuctions Remote controller Indoor unit Outdoor unit Page Indication Fan speed Page Page Outdoor temp Page Page Page Page Page Page Page Page J201 Page Page 9-3-1.How to Cancel the Auto Restart Function 9-3-3.Power Failure During Timer Operation 9-4.Remote controller and Its functions 9-4-1.Parts name of remote controller 9-4-2.Operation of remote control 1. ONE-TOUCH 2.AUTOMATIC OPERATION 4.DRY OPERATION (COOLING ONLY) 5.Hi-POWEROPERATION 6.ECO OPERATION Note: 7.TEMPORARY OPERATION 9. PRESET OPERATION 10.AUTO RESTART OPERATION Setting 11.QUIET OPERATION 12. COMFORT SLEEP OPERATION 9-4-3.Name and Functions of Indications on Remote Controller 10. INSTALLATION PROCEDURE 10-2.Installation 10-1-2.Optional installation parts Part Q'ty Code 10-2-2.Accessory and installation parts Others Name 10-2-3.Installation/Servicing Tools 10-3-1.Installation Location Remote controller 10-3-2.Cutting a Hole and Mounting the mounting Plate Cutting a hole When the installation plate is directly mounted on the wall 10-3-3.Electrical Work 10-3-4.Wiring Connection How to connect the connecting cable 10-3-5.Piping and Drain Hose Installation Piping and drain hose forming How to remove the drain cap How to remove the drain hose How to attach the drain cap How to attach the drain hose In case of right or left piping In case of bottom right or bottom left piping Left-handconnection with piping 10-3-6.Indoor Unit Installation 10-3-7.Drainage 10-4-1.Installation Location Precautions for adding refrigerant 10-4-2.Refrigerant Piping Connection Flaring 10-4-2.Wiring Connection 10-4-3.Electrical Work Stripping length of the Power supply cord and Inter connecting cable 10-5.EVACUATING 10-6.SYSTEM REQUIREMENTS 10-7.OTHERS 10-7-5.Remote Controller A or B Selection Setting Remote controller A or B selection Remote controller A- B selection Remote controller B Setup Note : 11. HOW TO DIAGNOSE THE TROUBLE < Discharging method 11-1-1.Confirmation of Power Supply 11-1-2.Confirmation of Power Voltage 11-1-3.Operation Which is not a Trouble (Program Operation) 11-2.Primary Judgment 11-3.Judgment by Flashing LED of Indoor Unit NOTES : 11-4-1.How to Use Remote Controller in Service Mode 11-4-2Caution at Servicing Page Page Page Page 11-5.Judgement of Trouble by Every Symptom 11-5-1.Indoor unit (Including remote controller) (1) Indoor unit is not operated (RAS-09LKV-UL) ( RAS-12LKV-UL) (2) Operation (3) Only the indoor motor fan does not operate <Primary check <Check procedure Page Page (4) <Cause <Inspection procedure (For DC fan motor in RAS-12LKV-UL)<Cause Page 11-5-2.Wiring Failure (Interconnecting and Serial Signal Wire) 11-6.Check Code 1C (Miswiring in indoor/outdoor units) and 1E <Check procedure 1C1E 11-7.How to Diagnose Trouble in Outdoor Unit Page 11-8.How to Check Simply the Main Parts 11-8-1.How to check the P.C. board (Indoor unit) (1)Operating precautions (2)Inspection procedures a.Main P.C. board part: 11-8-2.P .C . Board Layout ( RAS-12LKV-UL) [1] Sensor characteristic table 11-8-4.OutdoorUnit 11-8-5.Checking Method for Each Part 11-9.How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1.Symptom 2.Cause 3.How to simply judge whether outdoor fan motor is good or bad 12. HOW TO REPLACE THE MAIN PARTS <How to assemble the front panel <How to assemble the electric parts box Page <Caution at assembling Page <Caution at reassembling 12-2.Microcomputer 12-3.Outdoor Unit 1. Detachment 2. Attachment Page Page …Side cabinet 1. Side cabinet (right) 2.Side cabinet (left) Page Page •Attachment 13. EXPLODED VIEWS AND PARTS LIST 13-2.Indoor Unit 13-3.Outdoor Unit (RAS-09LAV-UL) 13-4.Outdoor Unit (RAS-12LAV-UL) 13-5.P.C. Board Layout TOSHIBA CARRIER (THAILAND) CO.,LTD