Toshiba RAS-13UAV-E2, RAS-13UKV-E2 6. REFRIGERANT CYCLE DIAGRAM

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FILE NO. SVM-03008

6. REFRIGERANT CYCLE DIAGRAM

6-1.Refrigerant Cycle Diagram

Note :

•The maximum length of the pipe for this air conditioner is 15 m. The additional charging of refrigerant is

unnecessary because this air conditioner is designed with charge-less specification.

Deoxidized copper pipe

NOTE : Gas leak check position

Refrigerant flow (Cooling)

Refrigerant flow (Heating)

INDOOR UNIT T1

TO

Temp. measurement

Indoor heat

exchanger

Cross flow fan

Deoxidized copper pipe

Outer dia. : 6.35 mm

Thickness : 0.8 mm

Sectional shape

of heat insulator

Allowable height

difference : 10m

Allowable pipe length

Max. : 15 m

P

Pressure measurement

Gauge attaching port

Vacuum pump connecting port

Strainer

Pulse modulating

valve at liquid side

(SEV16RC3)

∅1.5 x 200

s

∅1.5 x 200

s

TD

4-way valve

(CHV-0213)

Compressor

DA91A1F-45F

TS

T2

Outdoor heat

exchanger Split capillary

Temp. measurement

Propeller fan Refrigerant amount : 0.9 kg

OUTDOOR UNIT

Muffler

Muffler

TE

Outer dia. : 9.52 mm

Thickness : 0.8 mm

Contents

Main CONTENTS FILE NO. SVM-03008 10. HOW TO DIAGNOSE THE TROUBLE 11. HOW TO REPLACE THE MAIN PARTS 12. EXPLODED VIEWS AND PARTS LIST 3 1. SPECIFICATIONS The specification may be subject to change without nitice for purpose of improvement. 1-1. Specifications 4 1-2.Operation Characteristic Curve * <Cooling> <Heating> Compressor speed (rps) Conditions Indoor : DB 27C/WB 19C Outdoor : DB 35C Air flow : High Pipe length : 5m 230V Current (A) 2. REFRIGERANT R410A 2-1.Safety During Installation/Servicing Page FILE NO. SVM-03008 Page 2-3. Tools 2-4. Recharging of Refrigerant 2-5. Brazing of Pipes Page 13 3. CONSTRUCTION VIEWS 3-1. Indoor Unit 14 3-2.Outdoor Unit Page Page 17 5. SPECIFICATION OF ELECTRICAL PARTS 5-1. Indoor Unit No. Parts name Type Specifications 5-2.Outdoor Unit No. Parts name Model name Rating 6. REFRIGERANT CYCLE DIAGRAM 6-1.Refrigerant Cycle Diagram OUTDOOR UNIT INDOOR UNIT 6-2.Operation Data 20 REMOTE CONTROL 7. CONTROL BLOCK DIAGRAM 7-1.Indoor Unit Remote Control Infrared Rays 21 7-2.Outdoor Unit (Inverter Assembly) MCC813 (P.C.B) OUTDOOR UNIT MICRO-COMPUTER BLOCK DIAGRAM M.C.U For INDOOR UNIT 8. OPERATION DESCRIPTION 8-1.Outlined of Air Conditioner Control Page Page Page 8-2. Description of Operation Circuit Page * FILE NO. SVM-03008 Page 8-3. Temporary Operation 8-4. Auto Restart Function 8-5. Filter Check Lamp 8-6.Remote Control and its Functions 13 2 8 A AUTOA 9 67 5 4 8-7.Hi POWER Mode ([Hi POWER] button on the remote control is pushed.) 9. INSTALLATION PROCEDURE 9-1. Safety Cautions For general public use DANGER WARNING 1 6 2 5 8 4 Page Page Page 9-2.Indoor Unit 7 Page Page Page Page 9-3.Outdoor Unit Page Page Information 10. HOW TO DIAGNOSE THE TROUBLE 10-1. First Confirmation 10-2. Primary Judgment 10-3.Judgment by Flashing LED of Indoor Unit 10-4.Self-Diagnosis by Remote Control (Check Code) 00 01 1d 1E02 22 56 57 58 10-5. Judgment of Trouble by Every Symptom Page 60 Page 62 (5) Troubleshooting for remote control Press START/STOP button. Is transmission mark indicated? Page 64 10-6. Check Code 1C (Miswiring in indoor/outdoor units) and 1E <Check procedure> 1C 1E 65 10-7. How to Diagnose Trouble in Outdoor Unit Table 10-7-1 A B C } CBA 10-8. How to Check Simply the Main Parts 67 Table 10-8-1 (3) Check procedures No. Procedure Check points (Symptom) Causes GND +12V +5V 69 10-8-3. Indoor unit (Other parts) Under 20C 10-8-4. Outdoor unit 70 10-8-5. Checking Method for Each Part Diode check IGBT check 10-9. How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 11-1. Indoor Unit 72 11. HOW TO REPLACE THE MAIN PARTS 73 74 75 11-2. Microcomputer 76 11-3. Outdoor Unit 77 78 79 80 81 Page 12. EXPLODED VIEWS AND PARTS LIST 84 12-2. Indoor Unit 85 12-3. Outdoor Unit 12-4. Outdoor Unit (E-Parts Assy)