Toshiba RAV-SM1104AT8P-E Service Manual
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Toshiba RAV-SM1104AT8P-E Service Manual

Outdoor unit digital inverter
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SERVICE MANUAL
AIR-CONDITIONER
OUTDOOR UNIT
DIGITAL INVERTER>
RAV-SM1104AT8P-E (TR)
RAV-SM1404AT8P-E (TR)
RAV-SM1104AT8JP-E
RAV-SM1404AT8JP-E
(SPLIT TYPE)
FILE NO. SVM-17005-2
Revised no March, 2017

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Summary of Contents for Toshiba RAV-SM1104AT8P-E

  • Page 1 FILE NO. SVM-17005-2 SERVICE MANUAL AIR-CONDITIONER (SPLIT TYPE) OUTDOOR UNIT DIGITAL INVERTER> RAV-SM1104AT8P-E (TR) RAV-SM1404AT8P-E (TR) RAV-SM1104AT8JP-E RAV-SM1404AT8JP-E Revised no March, 2017...

  • Page 2: Table Of Contents

    SETUP AT LOCAL SITE AND OTHERS ...............61 9-1. Calling of Error History ........................61 9-2. Others..............................63 10. DETACHMENTS ......................64 ..................64 10-1. RAV-SM1104AT8 , SM1404AT8 11. EXPLODED VIEWS AND PARTS LIST ................. 76 11-1. RAV-SM1104AT8P-E, SM1104AT8JP-E, SM1104AT8P-TR RAV-SM1404AT8P-E, SM1404AT8JP-E, SM1404AT8P-TR ............76 - 2 -...

  • Page 3: Safety Caution

    Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.
  • Page 4 FILE NO. SVM-17005 Definition of Protective Gear When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and “safety” work clothing. In addition to such normal protective gear, wear the protective gear described below when undertaking the special work detailed in the table below.
  • Page 5 FILE NO. SVM-17005 Warning Indications on the Air Conditioner Unit [Confirmation of warning label on the main unit] Confirm that labels are indicated on the specified positions If removing the label during parts replace, stick it as the original. Warning indication Description WARNING WARNING...
  • Page 6 FILE NO. SVM-17005 Precaution for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual. DANGER Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit breaker to the OFF position.
  • Page 7 FILE NO. SVM-17005 WARNING Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws. Use of wiring which does not meet the specifications may give rise to electric shocks, electrical leakage, smoking and/or a fire.
  • Page 8 FILE NO. SVM-17005 The refrigerant used by this air conditioner is the R410A. Check the used refrigerant name and use tools and materials of the parts which match with it. For the products which use R410A refrigerant, the refrigerant name is indicated at a position on the outdoor unit where is easy to see.
  • Page 9 FILE NO. SVM-17005 Once the repair work has been completed, check for refrigerant leaks, and check the insulation resistance and water drainage. Then perform a trial run to check that the air conditioner is running properly. After repair work has finished, check there is no trouble. If check is not executed, a fire, electric shock or injury may be caused.
  • Page 10 ( 1) Refer to the “Definition of Qualified Installer or Qualified Service Person.” Declaration of Conformity Manufacturer: TOSHIBA CARRIER (THAILAND) CO., LTD. 144 / 9 Moo 5, Bangkadi Industrial Park, Tivanon Road, Tambol Bangkadi, Amphur Muang, Pathumthani 12000, Thailand TOSHIBA CARRIER EUROPE S.A.S...
  • Page 11 FILE NO. SVM-17005 Specifications Sound power level (dBA) Model Weight (kg) Cooling Heating RAV-SM1104AT8P-E RAV-SM1104AT8JP-E RAV-SM1404AT8P-E RAV-SM1404AT8JP-E RAV-SM1104AT8P-TR RAV-SM1404AT8P-TR : Under 70 dBA - 11 -...
  • Page 12 FILE NO. SVM-17005 Refrigerant (R410A) This air conditioner adopts HFC type refrigerant (R410A) which does not deplete the ozone layer. 1. Safety Caution Concerned to Refrigerant The pressure of R410A is high 1.6 times of that of the former refrigerant (R22). Accompanied with change of refrigerant, the refrigerating oil has been also changed.
  • Page 13 FILE NO. SVM-17005 4. Tools 1. Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types. 1) Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22)) 2) Tools exclusive for R410A, but can be also used for conventional refrigerant (R22) 3) Tools commonly used for R410A and for conventional refrigerant (R22)

  • Page 14: Specifications

    FILE NO. SVM-17005 1. SPECIFICATIONS 1-1. Outdoor Unit <Digital Inverter> Model name Outdoor unit RAV-SM 1104AT8 1404AT8 3 phase 380-415V, 50Hz 3 phase 380V, 60Hz Power supply (Power exclusive to outdoor is required.) Type Hermetic compressor Compressor Motor (kW) Pole Refrigerant charged (kg) Refrigerant control...

  • Page 15: Operation Characteristic Curve

    FILE NO. SVM-17005 1-2. Operation Characteristic Curve RAV-SM1104AT P , SM1404AT P <Cooling> <Heating> SM140 SM140 SM110 SM110 90 100 110 120 Compressor Speed (RPS) Compressor Speed (RPS) Capacity variation ratio according to temperature <Cooling> <Heating> SM110 SM140 Outdoor temp. (°C) 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 - 15 -...

  • Page 16: Construction Views (External Views)

    FILE NO. SVM-17005 2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 2-1. RAV-SM1104AT8 , SM1404AT8 - 16 -...
  • Page 17 FILE NO. SVM-17005 RAV-TWP30E2, RAV-TWP50E2 (Simultaneous Twin) Inner diameter Ø C Inner Inner diameter Ø D diameter Ø D Model (RBC-) Liquid side Ø9.5 Ø6.4 TWP30E2 Gas side Ø15.9 Ø12.7 Liquid side Ø9.5 Ø9.5 TWP50E2 Gas side Ø15.9 Ø15.9 - 17 -...

  • Page 18: Systematic Refrigerating Cycle Diagram

    FILE NO. SVM-17005 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1. Indoor Unit Single type (Combination of 1 indoor unit and 1 outdoor unit) (Indoor unit) Distributor (Strainer incorporated) TCJ sensor Strainer Air heat exchanger TC sensor Heating Cooling Refrigerant pipe Refrigerant pipe at liquid side at gas side (Outer dia : ØB)

  • Page 19: Outdoor Unit

    FILE NO. SVM-17005 3-2. Outdoor Unit RAV-SM1104AT8 P , SM1404AT8 P Ball valve Packed valve Outer dia. Ø15.88 Outer dia. Ø9.52 Pressure Strainer switch TS sensor (Pulse Motor Valve) (CAM-BD25TCTH-1) TL sensor TD sensor Strainer 4-way valve (STF-H0218) sensor Heat exchanger Muffler Ø8, 2 rows, 40 steps FP1.3 flat fin...
  • Page 20 FILE NO. SVM-17005 RAV-SM1104AT8 Pressure Pipe surface temperature (°C) Temp Comp. (MPa) (kg/cm (TD) (TS) (TC) (TE) Standard 3.01 0.85 31.6 HIGH 27/19 35/- Cooling Overload 3.72 1.10 36.7 11.5 HIGH 32/24 46/- Low load 2.03 0.82 20.7 18/15.5 -15/- Standard 2.51 0.63...

  • Page 21: Wiring Diagram

    FILE NO. SVM-17005 4. WIRING DIAGRAM 4-2. RAV-SM1104AT8 , SM1404AT8 D805 D804 D803 D802 D801 D800 - 21 -...

  • Page 22: Specifications Of Electrical Parts

    FILE NO. SVM-17005 5. SPECIFICATIONS OF ELECTRICAL PARTS Outdoor Unit Parts name Type Specifications Output 3000W RA330A2T-20M Compressor Output 100W Outdoor fan motor WDF-340-A100-1 ACB-4UB83W ON : 3.2MPa, OFF : 4.15MPa High pressure switch CAM-MD12TCTH-7 DC12V PMV-Coil Coil-value-4way STF-H01AJ1872A1 AC220V ~ 240V CH-55-2Z-T 5.8mH, 14A Reactor...

  • Page 23: Refrigerant R410A

    FILE NO. SVM-17005 6. REFRIGERANT R410A This air conditioner adopted the refrigerant HFC 6. When an air conditioning system charged with a (R410A) which does not damage the ozone layer. large volume of refrigerant is installed in a small room, it is necessary to exercise care so that, The working pressure of the refrigerant R410A even when refrigerant leaks, its concentration is 1.6 times higher than conventional refrigerant...
  • Page 24 FILE NO. SVM-17005 Table 6-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) 12.7 15.9 1. Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm.
  • Page 25 FILE NO. SVM-17005 c) Insertion of Flare Nut d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conventional flare tool. ØD Flare processing dimensions differ according to the type of flare tool.
  • Page 26 FILE NO. SVM-17005 Fig. 6-2-2 Relations between flare nut and flare seal surface 2. Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not have any scar or dust, etc. b) Correctly align the processed flare surface with the union axis. c) Tighten the flare with designated torque by means of a torque wrench.

  • Page 27: Tools

    FILE NO. SVM-17005 6-3. Tools 6-3-1.Required Tools Refer to the “4. Tools” (Page 13) 6-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment.

  • Page 28: Brazing Of Pipes

    FILE NO. SVM-17005 1) Be sure to make setting so that liquid can be charged. 2) When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon.
  • Page 29 FILE NO. SVM-17005 2. Characteristics required for flux 6-5-3. Brazing Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the brazing temperature. experiences based upon a theoretical knowledge, it must be performed by a person qualified. Due to a wide effective temperature range, flux is hard to carbonize.

  • Page 30: Instructions For Re-Use Piping Of R22 Or R407C

    Operation System In the concurrent twin system, when TOSHIBA- ∗ Pipe diameter and thickness (mm) specified branching pipe is used, it can be reused. Branching pipe model name: RBC-TWP30E2, Pipe outer diameter Ø6.4...
  • Page 31 FILE NO. SVM-17005 6-6-5. Final Installation Checks Existing pipe: NO ∗ Use a new pipes. Is there no scratch or dent on the existing pipes? Is it possible to operate the existing air conditioner? ∗ After the existing air conditioner operated in cooling mode for approx.
  • Page 32 FILE NO. SVM-17005 Piping necessary to change the flare nut/ ∗ (Airtight test), Vacuum dry, Refrigerant charge, machining size due to pipe compression. Gas leak check 1) Flare nut width: H (mm) Copper pipe Ø6.4 Ø9.5 Ø12.7 Ø15.9 Ø19.0 outer dia. Trial run For R410A Same...

  • Page 33: Replenishing Refrigerant

    FILE NO. SVM-17005 6-7. Replenishing refrigerant In order to assure the reliability of the appliance, the amount of refrigerant to be replenished shall be subject to the following restrictions. Follow the margin of excess replenished refrigerant, which is equivalent to the current R22.

  • Page 34: Outdoor Control Circuit

    FILE NO. SVM-17005 7. OUTDOOR CONTROL CIRCUIT 7-1. Outdoor unit control 7-1-1. P.C.board for Control and fan drive (MCC-1626) - 34 -...
  • Page 35 FILE NO. SVM-17005 7-1-2. P.C. board for compressor drive (MCC-1627) - 35 -...

  • Page 36: Outline Of Main Controls

    FILE NO. SVM-17005 7-2. Outline of Main Controls 1. Pulse Modulating Valve (PMV) control 1) For PMV with SM110, 140 : 30 to 500 pulses during operation, respectively. 2) In cooling operation, PMV is controlled with the temperature difference between TS sensor and TC sensor.
  • Page 37 FILE NO. SVM-17005 3. Current release control The output frequency and the output voltage are controlled by AC current value detected by current transformer on the outdoor P.C. board so that input current of the inverter does not exceed the specified value. Current [A] Frequency down SM110...
  • Page 38 FILE NO. SVM-17005 4-2. Heating fan control 1) An outdoor fan is controlled by TE sensor, TO sensor and compressor frequency. (It is controlled with W1 for minimum and the maximum is controlled according to the following table.) 2) At the start time, the fan is fixed for 3 minutes only with the maximum fan tap corresponded to the zone in the following table but it is controlled with TE sensor temperature after then.
  • Page 39 FILE NO. SVM-17005 0˚C No power -1˚C Intermittent power-ON Power-ON 10 minutes: ON / condition -2˚C 5 minutes: OFF TD < 30˚C -3˚C Continuous power-ON SM110, 140 Output power REQUIREMENT While heating the coil, the power sound may be heard. However it is not a trouble. 6.
  • Page 40 FILE NO. SVM-17005 10. Defrost control 1 In heating operation, defrost operation is performed when TE sensor temperature satisfies any condition in A zone to D zone. 2 The defrost operation is immediately finished if TE sensor temperature has become 12°C continuing for 3 seconds or more, or it also is finished when condition of 7°C <...

  • Page 41: Troubleshooting

    FILE NO. SVM-17005 8. TROUBLESHOOTING 8-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments • screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal.
  • Page 42 FILE NO. SVM-17005 <Wireless remote controller type> 1. Before troubleshooting 1) Required tools/instruments • screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal. 1. Compressor does not operate. •...

  • Page 43: Troubleshooting

    FILE NO. SVM-17005 8-2. Troubleshooting 8-2-1. Outline of judgment The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with the following method. Method to judge the erroneous position by flashing indication on the display part of the indoor unit (sensors of the receiving part) The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works.
  • Page 44 FILE NO. SVM-17005 Check code Cause of trouble occurrence Lamp indication Operation Timer Ready Heat exchanger sensor (TCJ) error Heat exchanger sensor (TC) error Indoor unit sensor error Alternate flash Heat exchanger sensor (TA) error Discharge temp. sensor (TD) error Heat exchanger temp.
  • Page 45 FILE NO. SVM-17005 - 45 -...
  • Page 46 FILE NO. SVM-17005 Error mode detected by outdoor unit Operation of diagnostic function Judgment and measures Check Status of air Cause of operation Condition code conditioner Disconnection, short of discharge Displayed when 1. Check discharge temp. sensor (TD). Stop temp. sensor (TD) error is detected 2.
  • Page 47 FILE NO. SVM-17005 Operation of diagnostic function Judgment and measures Check Status of air Cause of operation Condition code conditioner Discharge temp. error 1. Check refrigerating cycle (Gas leak). Displayed when * Discharge temp. (TD) over Stop 2. Trouble of PMV (Pulse Motor Value). error is detected specified value was detected.
  • Page 48 FILE NO. SVM-17005 Contents Error Display * When fixations of the errors were overlapped, the latest error is displayed. LED display Check code ltem [Wired remote D800 D801 D802 D803 D804 D805 controller] (Yellow) (Yellow) (Yellow) (Yellow) (Yellow) (Green) Discharge temp. sensor (TD) error Heat exchanger temp.
  • Page 49 FILE NO. SVM-17005 8-2-4. Diagnostic Procedure for Each Check Code (Outdoor Unit) 1) This section describes the diagnostic method for each check code displayed on the wired remote controller. 2) In some cases, a check code indicates multiple symptoms. In this case, confirm LED display on the outdoor P.C. board to narrow the contents to be confirmed. 3) The check code on the wired remote controller is displayed only when the same error occurred continuously by multiple times while LED of the outdoor P.C.
  • Page 50 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [E04] – [Indoor/Outdoor communication error] Is setting of group address Check CODE No. [14]. of remote controller correct? Are inner wiring and indoor/outdoor Correct wiring indoor/outdoor control wires (1, 2, 3) correct? control wires...
  • Page 51 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [F08] [Outside air temp. sensor (TO) error] Is connection of CN602 correct? Correct connector. Sensor error → Replace Is resistance value of TO sensor correct? Check outdoor P.C.
  • Page 52 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [F31] [EEPROM error] Check outdoor P.C. board. Defect → Replace [H01] [Compressor break down] Is power supply voltage correct? Correct power supply line. AC342 to 457V Is wire connection correct? Compressor lead...
  • Page 53 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [H03] [Current detection circuit error] Check outdoor P.C. board. Defect → Replace [H04] [Case thermostat operation] Are CN500 connection and Correct connector.
  • Page 54 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P04] [High pressure SW system error] Does high pressure switch Wiring check, Is circuit wiring correct? operate? Correct. Are parts of Parts check Defective →...
  • Page 55 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P05] [Power supply error] Is there no open phase Correct wiring of the power supply? Is there no down or up of power supply voltage? Confirm electric construction, etc.
  • Page 56 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P20] [High pressure protective operation] Is service valve Open service valve fully. fully opened? Reset the power supply and then make a test run. Is resistance value Replace TE sensor.
  • Page 57 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P22] [Fan system error] Is AC mains voltage correct? Check wiring construction. (AC342 to 457V) Ask repair of power supply. Rotate shaft of the fan motor by hands during power-OFF.
  • Page 58 FILE NO. SVM-17005 Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P26] [Short-circuit of compressor drive element] Are connections of compressor lead and reactor correct? Correct wiring. (Check referring to the Wiring diagram.) Does the same error occur in Replace outdoor P.C.
  • Page 59 FILE NO. SVM-17005 Temperature – Resistance value characteristic table Temperature sensor TD, TL sensors TE, TS, TO sensors Representative value Representative value Temperature Resistance value (kΩ) Temperature Resistance value (kΩ) (°C) (°C) (Minimum value) (Standard value) (Maximum value) (Minimum value) (Standard value) (Maximum value) 32.33 33.80 35.30...
  • Page 60 FILE NO. SVM-17005 8-3. Table Inspection of outdoor unit main parts Parts name Checking procedure Compressor Measure the resistance value of each winding by using the tester. (Model : RA330A2T-20M) Position Resistance value Red – White 1.20 Ω White – Black White Black Black –...

  • Page 61: Setup At Local Site And Others

    FILE NO. SVM-17005 9. SETUP AT LOCAL SITE AND OTHERS 9-1. Calling of error history <Contents> The error contents in the past can be called. <Procedure> Push buttons simultaneously for 4 seconds or more to call the service check mode. Service Check goes on, the item code 01 is displayed, and then the content of the latest alarm is displayed.
  • Page 62 FILE NO. SVM-17005 ■ Indoor unit power-ON sequence Power ON • The unit without power feed waits entirely → Waiting status is released by system start • Reboot when power is fed on the way <By feed unit> <Automatic address judgment> Gr construction check 3 minutes elapse Normal...

  • Page 63: Others

    FILE NO. SVM-17005 9-2. Others Recovering the refrigerant WARNING Don't admit air into refrigerant during recovery. Otherwise, the pressure in the freezing cycle might increase abnormally. Serious injury could occur if it bursts. [Recovering the refrigerant] • You need to recover the refrigerant when moving or repairing the indoor and/or outdoor units. You cannot do this while the air conditioner is running in cooling mode because a protective device will be tripped.

  • Page 64: Detachments

    FILE NO. SVM-17005 10. DETACHMENTS 10-1. RAV-SM1104AT8 , SM1404AT8 Part name Procedure Remarks Common procedure CAUTION Be sure to put on the gloves at working time; otherwise an injury may be caused by a part, etc. 1. Detachment 1) Stop operation of the air conditioner and then turn off switch of the breaker.
  • Page 65 FILE NO. SVM-17005 Part name Procedure Remarks 1. Detachment Discharge port cabinet Heat exchanger Discharge port cabinet 1) Carry out work of 1 of Motor base Partition plate 2) Remove screws for the discharge port cabinet and the partition plate. (ST1T Ø4 ×...
  • Page 66 FILE NO. SVM-17005 Part name Procedure Remarks P.C.board 1. Detachment (for control Inverter cover 1) Carry out work of 1 of 1. and fan motor drive) WARNING MCC-1626 Never disassemble the inverter for 3 minutes after power has been turned off because an electric shock may be caused.
  • Page 67 FILE NO. SVM-17005 Part name Procedure Remarks P.C.board 1. Detachment 1) Carry out work of 4. (for compressor drive) WARNING P.C.board (MCC-1626) assembly Never disassemble the inverter for 3 P.C.board (MCC-1626) MCC-1627 minutes after power has been turned off banding band because an electric shock may be caused.
  • Page 68 FILE NO. SVM-17005 Part name Procedure Remarks 2. Reactor Exchange of Reactor relay connector electric parts 1) Carry out works of 1 of (Connected to lead wire (Continued) (White) at P.C. board side) 2) Remove the relay connector connected to the control P .C.
  • Page 69 FILE NO. SVM-17005 No. Part name Procedure Remarks Fan motor 1) Carry out works of 1 of 1 and 2 . Loosened by Propeller fan turning clockwise 2) Remove the flange nut fixing the fan motor and the propeller fan. ∗...
  • Page 70 FILE NO. SVM-17005 Part name Procedure Remarks 1. Removal of broken compressor Compressor Compressor lead 1) Recover the refrigerant gas. 2) Carry out works of 1 of 3) Remove the piping panel (Front). Remove screws of the piping panel (Front) and the bottom plate. (Hexagonal screw Ø4 ×...
  • Page 71 FILE NO. SVM-17005 Part name Procedure Remarks Compressor 10) Using a burner, remove the discharge Remove Remove Compressor lead pipe and the suction pipe connected to (Discharge pipe) (Suction pipe) (Continued) the compressor. WARNING In case of removing the piping by broiling the welded part with a burner, if the piping includes oil, it may burst into flames at the moment when wax melted, so take...
  • Page 72 FILE NO. SVM-17005 Part name Procedure Remarks 2. Mounting of compressor Compressor Suction pipe Header pipe Compressor lead 1) Mount the compressor in the reverse Accumulator (Continued) procedure of removal. Discharge pipe NOTES: ∗ After exchange of the compressor, be sure to exchange the compressor lead.
  • Page 73 FILE NO. SVM-17005 Part name Procedure Remarks 3. Vacuuming Compressor Compressor lead 1) Connect the vacuum pump to the charge (Continued) port of the gas pipe valve and then drive the vacuum pump. 2) Carry out vacuuming until the vacuum low pressure gauge indicates 1 (mmHg).
  • Page 74 FILE NO. SVM-17005 Part name Procedure Remarks High 1. Detachment High pressure switch connector pressure 1) Recover the refrigerant gas. switch 2) Carry out works of 1 of 1. Cut the bundling band 3) Remove the inverter cover. Remove screws between the inverter cover and the inverter box.
  • Page 75 FILE NO. SVM-17005 Part name Procedure Remarks 3. Detachment Fan guard Bell mouth Discharge port cabinet 1) Carry out works of 1 of CAUTION To prevent scratching on the product, handle the product on a cardboard or cloth. 2) Remove the discharge port cabinet and then put on it so that the fan guard side directs downward.

  • Page 76: Exploded Views And Parts List

    FILE NO. SVM-17005-1 11. EXPLODED VIEWS AND PARTS LIST 11-1. RAV-SM1104AT8P-E, SM1104AT8JP-E, SM1104AT8P-TR RAV-SM1404AT8P-E, SM1404AT8JP-E, SM1404AT8P-TR - 76 -...
  • Page 77 SW-PRESS 43T46381 VALVE;BALL 15.88 DIA 43T46380 VALVE;PACKED 9.52 DIA 43T43492 ASM-COND 43T47372 STRAINER 43T47396 STRAINER 43T60478 ASM-SERV-MOT 43T20352 FAN-PR(PB522) 43T19372 FAN GUARD(TOSHIBA) 43T22313 BELLMOUTH 43T19345 FIN GUARD 43T71302 HANDLE 43T54319 BIMETAL-THERMO 43T50307 HOLDER-THERMO 43T19333 HOLDER, SENSOR 43T49346 RUBBER CUSHION 43T47334 BONNET;...
  • Page 78 FILE NO. SVM-17005 Inverter assembly 421 424 (TS) (TL) (TO) (TD) - 78 -...
  • Page 79 FILE NO. SVM-17005 RAV- Location Part No. Description SM1404AT8P-E SM1104AT8P-E SM1404AT8JP-E SM1104AT8JP-E SM1404AT8JP-TR SM1104AT8JP-TR 43T50335 TEMPERATURE SENSOR 43T50336 TEMPERATURE SENSOR 43T50338 TEMPERATURE SENSOR 43T50337 TEMPERATURE SENSOR 43T50346 TEMPERATURE SENSOR 43T63335 SENSOR HOLDER 43T63317 HOLDER,SENSOR 43T63316 HOLDER,SENSOR 43T6V881 PC BOARD ASSY CDB (MCC-1626) 43T6V882 PC BOARD ASSY CDB (MCC-1626) 43T6V883 PC BOARD ASSY IPDU (MCC-1627) 43T60413 FUSE...
  • Page 80 FILE NO. SVM-17005 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out, its concentration will not exceed a set limit. The refrigerant R410A which is used in the air conditioner is safe, without the toxicity or combustibility of ammonia, and is not restricted by laws to be imposed which protect the ozone layer.
  • Page 81 TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND.

This manual is also suitable for:

Rav-sm1404at8p-eRav-sm1104at8jp-eRav-sm1404at8jp-eRav-sm1104at8p-trRav-sm1404at8p-tr

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