Toshiba RAS-15LAV-UL, RAS-15LKV-UL, RAS-17LAV-UL, RAS-17LKV-UL, RAS-22LAV-UL, RAS-22LKV-UL 13-4.P.C. Board Layout

FILE NO. SVM-10020

13-4. P.C. Board Layout

Location	Part	Description
		Description
No.	No.

701	43T62320	HEATSINK (RAS-15,17LAV-UL)
701	43T62331	HEATSINK (RAS-22LAV-UL)
702	43T69849	PC BOARD (RAS-15LAV-UL)
702	43T69850	PC BOARD (RAS-17LAV-UL)
702	43T69851	PC BOARD (RAS-22LAV-UL)
703	43T60404	TERMINAL-5P

Location Part

Description

No. No.

70443T60403 FUSE

70543T50328 TEMPERATURE SENSOR (TD)

70743T62313 BASE-PLATE-PC

70843T50329 SENSOR,HEAT EXCHANGER (TE)

70943T50330 SENSOR,HEAT EXCHANGER (TS)

71043T50331 SENSOR,HEAT EXCHANGER (TO)

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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 13-4.P.C. Board Layout

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