Toshiba RAV-SM1403AT-E1 service manual

R410A

FILE NO. A11-016

SERVICE MANUAL

(SPLIT TYPE)

OUTDOOR UNIT

< DIGITAL INVERTER>

RAV-SM1103AT-E1

RAV-SM1403AT-E1

PRINTED IN JAPAN, Jan., 2012 ToMo

Contents

Main CONTENTS Original instruction Generic Denomination: Air Conditioner Definition of Qualified Installer or Qualified Service Person Definition of Protective Gear [Explanation of indications] DANGER WARNING CAUTION [Explanation of illustrated marks] Warning Indications on the Air Conditioner Unit [Confirmation of warning label on the main unit] ELECTRICAL SHOCK HAZARD BURST HAZARD WARNING Precaution for Safety DANGER Page Page Page Explanations given to user Relocation Declaration of Conformity Disposal <Model names with a rating of 12 kW and below (outdoor units)> DI series SDI series New Refrigerant (R410A) 1. Safety Caution Concerned to New Refrigerant 2. Cautions on Installation/Service 3. Pipe Materials 1) Copper pipe <Piping> c d e f g h i j k General tools (Conventional tools can be used.) 1. SPECIFICATIONS 1-1. Outdoor Unit <Digital Inverter> Current (A) RAV-SM1403AT-E1 1-2. Operation Characteristic Curve RAV-SM1103AT-E1,RAVSM1403AT-E1 Operation Characteristic Curve <Digital Inverter> RAV-SM1103AT-E1,RAV-SM1403AT-E1 Capacity variation ratio according to temperature 2 . CONSTRUCTION VIEWS (EXTERNAL VIEWS) RBC-TWP30E2, RBC-TWP50E2 (Simultaneous Twin) B 3 . REFRIGERATING CYCLE DIAGRAM Indoor unit Height difference Outdoor unit * * RAV-SM1403AT-E1 Page 5. SPECIFICATIONS OF ELECTRIC PARTS 6. REFRIGERANT R410A 6-1. Safety During Installation/Servicing 6-2. Refrigerant Piping Installation 6-2-1. Piping Materials and Joints Used 1. Copper Pipes 1. Joints 6-2-2. Processing of Piping Materials 1. Flare Processing Procedures and Precautions Table 6-2-4 Flare and flare nut dimensions for R410A Table 6-2-5 Flare and flare nut dimensions for R22 2. Flare Connecting Procedures and Precautions 6-3. Tools 6-3-1. Required Tools Fig. 6-4-1 Configuration of refrigerant charging Refer to the 4. Tools 6-4. Recharging of Refrigerant 6-5. Brazing of Pipes 6-5-1. Materials for Brazing 1. Silver brazing filler 2. Phosphor bronze brazing filler 3. Low temperature brazing filler 6-5-2. Flux 1. Reason why flux is necessary 2. Characteristics required for flux 3. Types of flux Noncorrosive flux Activated flux 4. Piping materials for brazing and used brazing filler/flux 6-6. Instructions for Re-use Piping of R22 or R407C 6-6-1. Basic Conditions Needed to Reuse the Existing Pipe 6-6-2. Restricted Items to Use the Existing Pipes Pipe diameter and thickness (mm) NOTE) 6-6-5. Final Installation Checks 6-6-6. Handling of Existing Pipe Cautions for using existing pipe 7.CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 7-1. Outdoor unit control 7-1-1. Prim circuit board (MCC-1630) 7-1-2. Outline of Main Controls 1. Pulse Modulating Valve (PMV) control 2. Discharge temperature release control 3. Current release control + Hold I1 I1 0.5 5. Coil heating control 6. Short intermittent operation preventive control 7. Current release value shift control 8. Over-current protective control 9. High-pressure release control 10. Defrost control * C] 5 10 13 18 11. High-pressure switch 12 Control of compressor case thermo 8. TROUBLESHOOTING 8-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting + and screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch 1. Before troubleshooting + and screwdrivers, spanners, radio cutting pliers, nippers, etc. 2. Troubleshooting procedure 8-2. Troubleshooting 8-2-1. Outline of judgment *1 : Go off, : Go on, : Flash (0.5 sec.) 8-2-2. Others (Other than Check Code) <Operation procedure> 1 2 3 4 Returned to usual display button returns the status to the usual display. 4 241 3 8-2-4. Check Code List (Outdoor) : Go on, 43 : Go on m Error mode detected by indoor unit Error mode detected by outdoor unit Page Error mode detected by remote controller or central controller (TCC-LINK) Contents Error Display Electric parts cover D800 D801 D802 D803 D804 D805 (green) Service switches s cover SW800, SW801 Inspection window through which to check the LED displays Page Page Page [F08] [F12] [Miswiring of heat exchanger sensor (TE, TS)] [F15] [F13] [F31] [EEPROM error] [H02] [Compressor lock] [H01] [Compressor break down] [H03] [Current detection circuit error] [Discharge temp. error][P03] [L10] [Unset model type] : Only when service P.C. board is used Check outdoor P.C. board. Defect Replace [P04] <DCheck and troubleshooting [P04] LED display [High pressure protective operation] Refer to [P20] column. [Power supply error (Vdc)] Refer to [P05] column. [P05] [Power supply error (Voltage error)] [4-way valve reversal error] [P19] z [P20] [High pressure protective operation] Page Page Temperature sensor Temperature Resistance value characteristic table TA, TC, TCJ, TE, TS, TO sensors Representative value TD, TL sensors TD, TL sensors Representative value TA, TC, TCJ, TE, TS, TO sensors Table Inspection of outdoor unit main parts 9. SETUP AT LOCAL SITE AND OTHERS 1 2 3 <System example> 231 9-1. Calling of Error History <Contents> 9-3. Outdoor Unit Service switch (SW800, SW801) operations LED display 9-3-1. Refrigerant recovery control 9-3-2. Various settings on outdoor unit (Existing piping, power save, cooling-only, etc.) (1) Service switch setting Confirmation method of various settings In the case to return the setting to one at shipment from factory (2) Cooling-only setting 9-3-3. Service support function (LED display, service switch operating method) 1. LED display switching 1-1. Display switching list 1-2. Error display A. Error display which occurs at present : ON, : OFF, : Rapid flashing (5 times/second) B. Error display of the latest (including error which occurs at present) error : ON, : OFF, : Rapid flashing (5 times/second), : Slow flashing (Once/second) C. Sensor, current, compressor operation frequency, PMV opening display : ON, : OFF, : Slow flashing (Once/second) 2. Special operation for maintenance check (SW800 and SW801 operations) 9-4. Applicable Control of Outdoor unit ( ) ( ) 10. ADDRESS SETUP 10-1. Address Setup Procedure 10-2. Address Setup & Group Control <Terminology> 10-2-1. System Configuration 10-2-2. Automatic Address Example from Unset Address (No miswiring) 10-2-3. Automatic Address Example from Unset Address (No miswiring) 10-3. Remote Controller Wiring Single system Wiring diagram Simultaneous twin system 10-4. Address Setup 1 2 1-11-1 1 10 00020002 00010001 00000000 1 and buttons simultaneously for 4 seconds or more. 2 button, the unit numbers in the group control are successively displayed. 11. REPLACEMENT OF THE SERVICE P.C. BOARD MCC-1630 1. Removing the P.C. board 2. Setting the jumper wires 3. Installing the P.C. board 12. HOW TO EXCHANGE COMPRESSOR 12-1. Exchanging Procedure of Compressor (Outline) For exchange of compressors, refer to (11) Compressor in Section 13. Detachments. 12-2. Exchange of Compressor 13. DETACHMENTS d e f g h i j k f l Page Page Inverter assembly Location Part No. Description No. Model Name RAV- SM1103AT-E1 SM1403AT-E1