Toshiba RAS-15LAV-UL, RAS-15LKV-UL, RAS-17LAV-UL, RAS-17LKV-UL, RAS-22LAV-UL, RAS-22LKV-UL 13-2.Indoor Unit

FILE NO. SVM-10020

13-2. Indoor Unit

Location	Part	Description
		Description
No.	No.

201	43T00052	PANEL ASSY, SERVICE
202	43T09458	GRILLE ASSY, SUB TOSHIBA
203	43T03014	BODY ASSY, BACK
204	43T80019	AIR FILTER
205	43T09040	LOUVER, HORIZONTAL
206	43T70313	HOSE, DRAIN
207	43T79313	CAP, DRAIN
208	43T21421	FAN MOTOR
209	43T20016	FAN, ASSY, CROSS FLOW
210	43T39021	BASE, BEARING
211	43T22312	BEARING ASSY, MOLD
212	43T39020	BAND, MOTOR, LEFT

Location Part

Description

No. No.

21343T39022 BAND, MOTOR, RIGHT UP

21443T39023 BAND, MOTOR, RIGHT DOWN

21543T44030 EVAPORATOR ASSY

21643T19333 HOLDER, SENSOR

21743T49010 PIPE, SHIELD

21843T82008 PLATE, INSTALLATION

21943T49043 HOLDER, PIPE

22043T62031 COVER, TERMINAL

22143T66308 REMOTE CONTROLLER WIRELESS

22243T83003 HOLDER, REMOTE CONTROL

22343T82314 PARTITION CONDUIT

22443T82315 MOUNT CONDUIT

– 107 –

Contents

Page 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 (RAS-22LKV-UL/RAS-22LAV-UL) 2-2.Operation Characteristic Curve <Cooling <Heating 2-3.Capacity Variation Ratio According to Temperature <Heating 3. REFRIGERANT R410A 3-2-1.Piping Materials and Joints Used 2.Joints 1.Flare processing procedures and precautions 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 NOTE : Table 3-2-7Tightening torque of flare for R410A [Reference values] 3-3-1.Required Tools 3-4.Recharging of Refrigerant liquid 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 6. SPECIFICATIONS OF ELECTRICAL PARTS 7. REFRIGERANT CYCLE DIAGRAM RAS-22LKV-UL / RAS-22LAV-UL 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 Item Operation flow and applicable data, etc Description 1.Basic 1. Operation control operation 1.Basic 2. Cooling/Heating operation 2. Indoor fan motor control 9. Louver control 3. AUTO operation 4. DRY operation 2.Indoor fan <In cooling operation motor control * Symbols (Fig. 1) Indication 2. Indoor fan <In heating operation (Fig. 3) Indication Fan speed Outdoor fan Outdoor fan speed (rpm) Capacity control Outdoor temp Cooling current release value Heating current release value 6.Release protective control by tempera- ture of indoor heat exchanger <In cooling/dry operation Defrost control (Only in heating operation) <Defrost operation <Finish of defrost operation 8. Louver control Cooling operation AUTO (COOL) 2) Louver position in heating operation Heating operation 9. ECO <Cooling operation <Heating operation 10. Temporary 1. Purpose 2. Operation 12. Pulse Modulating valve (P.M.V.) 13. Self-Cleaning Purpose function Self-Cleaningoperation Operation Self-Cleaning indicator blinks for 5 seconds 14. Remote-Aor B Setting the remote controller 1. Purpose selection Remote Control B Setup 2. Description . QUIET mode 16. COMFORT Cooling mode SLEEP Heating mode 18. Hi-POWER ([Hi-POWER]button on the remote controller Mode is pressed) 1. Automatic operation 9-3-1.How to Cancel the Auto Restart Function 9-3-2.How to Set the Auto Restart Function 9-3-3.Power Failure During Timer Operation 9-4.Remote control 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 [Display] 10. INSTALLATION PROCEDURE 10-2.Installation 10-2-2.Accessory and installation parts Others Name 10-2-3.Installation/Servicing Tools 10-3-1.Installation Location Page Page Page 10-3-6.Indoor Unit Installation 10-3-7.Drainage 10-4-1.Installation Location Page Page Page Page Page 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 (2) (3) Only the indoor motor fan does not operate <Primary check Page (4) Indoor fan motor automatically starts to rotate by turning on power supply <Cause <Inspection procedure (5) Troubleshooting for remote controller 11-5-2.Wiring Failure (Interconnecting and Serial Signal Wire) <Check procedure 11-7.How to Diagnose Trouble in Outdoor Unit Page 11-8.How to Check Simply the Main Parts 11-8-2.P.C. Board Layout 11-8-3.Indoor Unit (Other Parts) 11-8-4.Outdoor Unit 11-8-5.Checking Method for Each Part 11-9. How to Simply Judge Whether Outdoor Fan Motor in Good or Bad 12. HOW TO REPLACE THE MAIN PARTS 4 Screw Four hooks <How to assemble the front panel <How to assemble the electric parts box Page <Caution at assembling Page No. Part name qCross flow fan <Caution at reassembling 12-2.Microcomputer 12-3.Outdoor Unit 1. Detachment 2. Attachment Page Note …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 13-4.P.C. Board Layout

Toshiba 13-2.Indoor Unit

Models: RAS-15LAV-UL RAS-15LKV-UL RAS-17LAV-UL RAS-17LKV-UL RAS-22LAV-UL RAS-22LKV-UL