Toshiba RAV-SM560XT-E Service Manual
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Toshiba RAV-SM560XT-E Service Manual

Under ceiling / console type
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FILE NO. SVM-03021
SERVICE MANUAL
AIR-CONDITIONER
UNDER CEILING / CONSOLE TYPE
RAV-SM560XT-E / RAV-SM560AT-E
RAV-SM800XT-E / RAV-SM800AT-E
R410A
Sep., 2003

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Summary of Contents for Toshiba RAV-SM560XT-E

  • Page 1 FILE NO. SVM-03021 SERVICE MANUAL AIR-CONDITIONER UNDER CEILING / CONSOLE TYPE RAV-SM560XT-E / RAV-SM560AT-E RAV-SM800XT-E / RAV-SM800AT-E R410A Sep., 2003...

  • Page 2: Table Of Contents

    1. SPECIFICATIONS... 1 2. CONSTRUCTION VIEWS ... 4 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM ... 7 4. WIRING DIAGRAM ... 9 5. SPECIFICATION OF ELECTRICAL PARTS ... 12 6. REFRIGERANT R410A ... 13 7. CONTROL BLOCK DIAGRAM ... 21 8. OPERATION DESCRIPTION ... 22 9.

  • Page 3: Indoor Unit

    : Rated conditions Cooling : Indoor air temperature 27°C DB/19°C WB, Outdoor air temperature 35°C DB Heating : Indoor air temperature 20°C DB, Outdoor air temperature 7°C DB/6°C WB 1. SPECIFICATIONS RAV-SM560XT-E Cooling Heating (1.5 – 5.6) (1.5 – 6.3) 2.67 [D]...
  • Page 4 Indoor : DB27˚C/WB19˚C Indoor air flow : High Pipe length : 7.5m 32 33 34 35 36 37 38 39 40 41 42 43 Outsoor temp. (˚C) <Heating> RAV-SM560XT-E 60 70 80 <Heating> – 2 – RAV-SM800XT-E RAV-SM560XT-E • Conditions Indoor : DB20˚C...

  • Page 5: Outdoor Unit

    1-2. Outdoor Unit Model name Appearance Power supply Type Compressor Motor Pole Refrigerant charged Refrigerant control Standard length Max. total length Pipe Over 20m Height difference Height Outer Width dimension Depth Total weight Heat exchanger Fan unit Standard air flow High Motor Gas side Connecting...

  • Page 6: Construction Views

    2-1. Indoor Unit Front panel 200 Min For stud bolt (Ø8 – Ø10) For stud bolt (Ø6) 2. CONSTRUCTION VIEWS 1093 1093 1015 UNDER CEILING & CONSOLE INSTALLATION – 4 – Knock out system Grille air inlet Back body Installation plate Mount plate M10 Suspention bolt Wireless remote control...
  • Page 7 2-2. Outdoor Unit (RAV-SM560AT-E) 49.5 Protective net mounting hole (2-Ø4 embossing) Protective net mounting hole (4-Ø4 embossing) Refrigerant pipe connecting port (Ø12.7 flare at gas side) 2-Ø6 hole Product external line Ø11 x 14 U-shape hole Details of A legs Drain hole (2-Ø20 x 88 long hole) Drain hole (Ø25) A legs...
  • Page 8 2-3. Outdoor Unit (RAV-SM800AT-E) Knockout (For draining) Drain hole (Ø20 x 88 burring hole) Suction port Suction Knockout port (For draining) Discharge port Discharge guide mounting hole (4-Ø4 embossing) Drain hole (Ø25 burring hole) Part B Part A Handles (Both sides) Refrigerant pipe connecting port (Ø9.5 flare at liquid side) Refrigerant pipe connecting port...

  • Page 9: Systematic Refrigerating Cycle Diagram

    3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1. RAV-SM560XT-E / RAV-SM560AT-E Outer diameter of refrigerant pipe Gas side ∅A Liquid side ∅B 6.4 mm 12.7 mm TS sensor TD sensor 4-way valve (VT7101D) ∅19 x L160 Rotary compressor (DA130A1F-23F) Pressure (MPa) Discharge...
  • Page 10 3-2. RAV-SM800XT-E / RAV-SM800AT-E Outer diameter of refrigerant pipe Gas side ∅A Liquid side ∅B 9.5 mm 15.9 mm TS sensor TD sensor Muffler Accumulator (1500cc) Rotary compressor (DA220A2F-20L) Pressure (MPa) Discharge Standard Cooling Overload Low load Standard Heating Overload Low load * 4 poles are provided to this compressor.

  • Page 11: Wiring Diagram

    4-1. Indoor Unit SWITCH PCB MCC-1428B CN101 CN100 CN25 CN13 IC04 CN07 LOUVER MOTOR R507 SG01 SIMPLE CHECK POINTS FOR DIAGNOSING FAULTS Check items OPERATION Check to see if OPERATION indicator goes on and off when the main switch or breaker is turned on. indicator Check the power supply voltage between 1 - 2 (Refer to the name plate.) Terminal...
  • Page 12 4-2. Outdoor Unit (RAV-SM560AT-E) Q200 IGBT MODULE P17 P18 P.C. BOARD (MCC-813) COMPRESSOR CN301 FAN MOTOR SIMPLE CHECK POINTS FOR DIAGNOSING FAULTS Check items TERMINAL BLOCK There is no supply voltage (AC220 to 240V) between L - N , 1 - 2 There is no voltage (DC15 to 25V) 2 - 3 FUSE T25A 250V to fuse (F01) blown...
  • Page 13 4-3. Outdoor Unit (RAV-SM800AT-E) THERMOSTAT COMPRESSOR CN604 CN500 CN605 4-WAY VALVE COIL CN600 CN700 CN601 FAN MOTOR CN300 circuit CN302 CN301 F300 FUSE CN800 CN702 CN04 PHOTO COUPLER CN01 P .C. BOARD FUSE T3.15A (MCC-1398) CN02 SIMPLE CHECK POINTS FOR DIAGNOSING FAULTS Check items TERMINAL BLOCK...

  • Page 14: Specification Of Electrical Parts

    5. SPECIFICATION OF ELECTRICAL PARTS 5-1. Indoor Unit Parts name Fan motor (for indoor) Grille motor Thermo. sensor (TA-sensor) Heat exchanger sensor (TC-sensor) Heat exchanger sensor (TCJ-sensor) 5-2. Outdoor Unit (RAV-SM560AT-E) Parts name Fan motor Compressor Reactor Outdoor temp. sensor (To-sensor) Heat exchanger sensor (Te-sensor) Suction temp.

  • Page 15: Refrigerant R410A

    This air conditioner adopts the new refrigerant HFC (R410A) which does not damage the ozone layer. The working pressure of the new refrigerant R410A is 1.6 times higher than conventional refrigerant (R22). The refrigerating oil is also changed in accordance with change of refrigerant, so be careful that water, dust, and existing refrigerant or refrigerating oil are not entered in the refrigerant cycle of the air conditioner...
  • Page 16 Table 6-2-1 Thicknesses of annealed copper pipes Nominal diameter (2) 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 17 Table 6-2-3 Dimensions related to flare processing for R410A Outer Nominal diameter diameter (mm) 6.35 9.52 12.70 15.88 Table 6-2-4 Dimensions related to flare processing for R22 Outer Nominal diameter diameter (mm) 6.35 9.52 12.70 15.88 Table 6-2-5 Flare and flare nut dimensions for R410A Outer Nominal diameter...
  • Page 18 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.
  • Page 19 6-3. Tools 6-3-1. Required tools The service port diameter of packed valve of the outdoor unit in the air conditioner using R410A is changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For ∅12.70 copper pipe) of the refrigerant piping are lengthened. The used refrigerating oil is changed, and mixing of oil may cause a trouble such as generation of sludge, clogging of capillary, etc.

  • Page 20: Recharging Of Refrigerant

    6-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment. Connect the charge hose to packed valve service port at the outdoor unit’s gas side.

  • Page 21: Brazing Of Pipes

    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 22 (2) Characteristics required for flux • Activated temperature of flux coincides with the brazing temperature. • Due to a wide effective temperature range, flux is hard to carbonize. • It is easy to remove slag after brazing. • The corrosive action to the treated metal and brazing filler is minimum.

  • Page 23: Remote Control

    Heat Exchanger Sensor (TCJ) Heat Exchanger Sensor (TC) Temperature Sensor Infrared Rays Signal Receiver Initiallizing Circuit Infrared Rays Clock Frequence Oscillator Circuit 36.7 kHz Power Supply Circuit Remote Control Noise Filter From Outdoor Unit Serial Signal Communication REMOTE CONTROL 7. CONTROL BLOCK DIAGRAM Indoor Unit Control Panel M.C.U.

  • Page 24: When Power Supply Is Reset

    8-1. When power supply is reset (1) Distinction of outdoor units When the power supply is reset, the outdoors are distinguished, and control is exchanged according to the distinguished result. (2) Setting of the indoor fan speed Based on EEPROM data, rspeed of the indoor fan is selected.
  • Page 25 *1, *2 : The values marked with *1 and *2 are calculated and controlled by the difference in motor speed between M+ and L. Fig. 8-3-2 Table 8-3-1 RAV-SM560XT-E MODEL Motor speed Air flow level Motor speed Air flow level (rpm) Cooling...

  • Page 26: Louver Control

    8-5. Freeze preventive control (Low temperature release) The cooling operation (including Dry operation) is performed as follows based on the detected temperature of Tc sensor or Tcj sensor. When [J] zone is detected for T1 minutes (Following figure), the commanded frequency is decreased from the real operation frequency.

  • Page 27: Auto Restart Function

    8-9. Auto Restart Function The indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of power supply being accidentally shut down. The operation will resume without warning three minutes after power is restored.

  • Page 28: Filter Check Lamp

    8-9-2. How to cancel auto restart function To cancel auto restart function, proceed as follows: Repeat the setting prodedure: the unit receives the signal and beeps three times. The unit will be required to be turned on with the remote control after the main power supply is turned off.

  • Page 29: Installation Procedure

    Remark per EMC Directive 89/336/EEC To prevent flicker impressions during the start of the compressor (technical process) following installation conditions do apply. 1. The power connection for the air conditioner has to be done at the main power distribution. This distribution has to be of an impedance.

  • Page 30: Precautions For Safety

    9-2. PRECAUTIONS FOR SAFETY • Ensure that all Local, National and International regulations are satisfied. • Read this “PRECAUTIONS FOR SAFETY” carefully before Installation. • The precautions described below include the important items regarding safety. Observe them without fail. • After the installation work, perform a trial operation to check for any problem. Follow the Owner’s Manual to explain how to use and maintain the unit to the customer.
  • Page 31 • After unpacking the unit, examine it carefully if there are possible damage. • Do not install in a place that might increase the vibration of the unit. • To avoid personal injury (with sharp edges), be careful when handling parts. •...

  • Page 32: Accessory Parts And Parts To Be Procured Locally

    Zeolite filter 9-3-2. Parts to be procured locally Connecting pipe (Liquid side) (6.35 mm (diam.), Nominal (diam.) 1/4" thick 0.8 mm) RAV-SM560XT-E, RAV-SM560AT-E (9.52 mm (diam.), Nominal (diam.) 3/8" thick 0.8 mm) RAV-SM800XT-E, RAV-SM800AT-E Connecting pipe (Gas side) (12.7 mm (diam.), Nominal (diam.) 1/2" thick 0.8 mm) RAV-SM560XT-E, RAV-SM560AT-E (15.9 mm (diam.), Nominal (diam.) 5/8"...

  • Page 33: Selection Of Installation Place

    9-4. SELECTION OF INSTALLATION PLACE • Install the air conditioner where there is sufficient strength to withstand the weight of the unit. If the strength is not sufficient, the unit may fall down resulting in injury. Upon approval of the customer, install the air conditioner in a place that satisfies the following conditions.
  • Page 34 9-5-1. Installation Place • A place which provides the spaces around the indoor unit as shown in the above diagram. • A place where there is no obstacle near the air inlet and outlet. • A place that allows easy installation of the piping to the outdoor unit.
  • Page 35 2. Set the Air inlet grille arm to the axis of the Front panel. 3. Insert the Grille stopper to the correct position and fix it securely with screws. 4. Push the Air inlet grille to the correct position. Axis of the Front panel Air inlet grille arm...
  • Page 36 • How to install the Drain hose. 1. Remove the two screws and the Drain band. 2. Cut a slit for the drain hose hole. Drain band Screws Fig. 9-5-12 3. Place the Drain hose on the U-shape space and secure it with the Drain band and two screws.
  • Page 37 9-5-5. Console Installation • Select the terminal of Selector-SW from [C position] to [F position]. Fig. 9-5-18 <Cutting a hole and mounting the Installation plate> • When installing the rear piping, determine the pipe hole position, drill the pipe hole (∅80 mm) at a slight downward slant to the outdoor side.

  • Page 38: Drain Piping Work

    9-6. DRAIN PIPING WORK 9-6-1. Drainage 1. Run the Drain hose sloping downward. NOTE : • The hole should be made at a slight downward slant on the outdoor side. Under Ceiling Installation In case of upward drainage from the unit, (Under Ceiling Installation), it is necessary to use the Drain pump kit of optional part.

  • Page 39: Refrigerant Piping

    9-7. REFRIGERANT PIPING 9-7-1. Refrigerant Piping 1. If the outdoor units are to be mounted on a wall, make sure that the platform supporting is sufficiently strong. The platform should be designed and manufactured to maintain its strength over a long period of time, and sufficient consideration should be given to ensuring that the outdoor unit will not fall.
  • Page 40 <Tightening connection> Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers. Then tighten the nut with a spanner and torque wrench as shown in the figure. CAUTION • Do not apply excess torque. Otherwise, the nut may crack depending on the conditions.

  • Page 41: Air Purge

    9-8. EVACUATING AIR PURGE Evacuate the air in the connecting pipe and in the indoor unit using vacuum pump. Do not use the refrigerant in the outdoor unit. For details, see the manual of vacuum pump. 9-8-1. Use a vacuum pump Be sure to use a vacuum pump with counter-flow prevention function so that inside oil of the pump does not flow backward into pipe of the air conditioner when...
  • Page 42 9-8-3. Heat insulation 1. Provide heat insulation on the refrigerant piping on both the liquid side and gas side separately, and ensure that all joints in the insulation are completely sealed (without gap). 2. Since the temperature of the piping on the gas side increases during heating operations, the heat insulating material used must be able to withstand temperatures of more than 120°C.
  • Page 43 Compound pressure gauge –101 kPa (–76 cmHg) Handle Lo Charge hose (For R410A only) Charge hose Service port (Valve (For R410A only) core (Setting pin)) Packed valve at gas side Fig. 9-8-7 <For RAV-SM560AT-E model> Compound pressure gauge –101 kPa (–76 cmHg) Handle Lo Charge hose (For R410A only)

  • Page 44: Electrical Work

    9-9. ELECTRICAL WORK For the air conditioner that has no power cord. NOTE : For selection and connection method of the power supply cords, refer to the details in the Installation Manual of the outdoor unit. CAUTION • If incorrect/incomplete wiring is carried out, it may cause an electrical fire or smoke.

  • Page 45: Final Installation Checks

    9-10. FINAL INSTALLATION CHECKS 9-10-1. Precautions Ensure that the electrical cable used for power supply and control of the system is unable to come into contact with either service valves or piping work which are not insulated. 9-10-2. Electrical wiring When installation is complete, check that all power supply and interconnecting wiring has been appropriately protected.

  • Page 46: Installation/Servicing Tools

    9-10-7. Useful Functions (SM800AT-E only) <Self-Diagnosis by LED Indication> In addition to the code checking by remote controller of the indoor unit, troubles of the outdoor unit can be diagnosed by LED indications on the cycle control P.C. board of the outdoor unit. Utilize them for various checks. For the check by remote controller of the indoor unit, refer to the installation Manual of the indoor unit.
  • Page 47 9-11. ENVIRONMENT 9-11-1. Environmental Issues <Product maintenance> 1. To minimize the chances of environmental damage and to ensure the efficient operation of the unit, it is recommended to have the air conditioner periodically checked and serviced by a qualified engineer. <Product disposal>...

  • Page 48: Summary Of Troubleshooting

    10-1. Summary of Troubleshooting 10-1-1. Before troubleshooting (1) Required tools/instruments • e and d screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. (2) Confirmation points before check 1 The following operations are normal. a) Compressor does not operate. •...

  • Page 49: Self-Diagnosis By Remote Control (Check Code)

    10-2. Self-Diagnosis by Remote Control (Check Code) (1) If the lamps are indicated as shown 00 to 03 in Table 10-1-1, exchanger the self-diagnosis by the remote control. (2) When the remote control is set to the service mode, the indoor controller diagnoses the operation condition and indicate the information of the self-diagnosis on the display of the remote control with the check codes.
  • Page 50 Operation of diagnostic function Check Check Block code code Indoor The indoor thermo sensor (TA) is P.C. board defective. Disconnection or short-circuit The indoor heat exchanger sensor (TC) is defective. Disconnection or short-circuit The indoor fan motor or its circuit is defective.
  • Page 51 Operation of diagnostic function Check Block code [MODE] The serial signal is not output [TIMER] lamp from outdoor unit to indoor unit. • Miscabling of inter-unit cables 5Hz flash • Defective serial sending circuit • Defective serial receiving circuit • Compressor case thermo BUS communication circuit error * BUS communication was Error in 4-way valve system...
  • Page 52 Operation of diagnostic function Check code Symptom Inverter over-current protective circuit operates. (For a short time) Error on current detection circuit • Current value is high at AC side even while compressor stops. • Phase of power supply is missed. Coming-off, disconnection or short of outdoor temp sensor Coming-off, disconnection or short of...
  • Page 53 10-3. Troubleshooting for Each Check Code [1A error] Are connections of CN301 and CN300 of CDB correct? Does the fan rotate without trouble when handling the fan with hands under condition of removing CN301 and CN300 from CDB? The status that the resistance values between leads below are 50 to 80 Ω...
  • Page 54 [14 error] Is power voltage normal? Are connections of cabling/connector normal? Does RY01 relay of IPDU operate? Is not AC fuse fused? Replace IPDU. * Replace control P.C. board of RAV-SM560AT-E. Check IPDU. Defect [16 error] Are connections of cable/connector normal? Is compressor normal? (Is resistance between windings 0.6 to 1.2 Ω...
  • Page 55 [18 error] Are connections of TE/TS sensor connectors of CDB CN604/CN605 normal? Are characteristics of TE/TS sensor resistance values normal? Check CDB. Defect Replace [19 error] Is connection of TD sensor connector of CDB CN600 normal? Are characteristics of TD sensor resistance value normal? Check control P.C.
  • Page 56 [1D error] Is power voltage normal? Are connections of cable/connector normal? Is compressor normal? [1E error] Is protective control such as discharge temprelease control normal? Is charged refrigerant amount normal? Is not abnormal overload? Are characteristics of TD sensor resistance value normal? * For RAV-SM560AT-E, check control P.C.
  • Page 57 [21 error] protective operation by TE sensor normal? Does cooling outdoor fan normally operate? Does electron control valve normally operate? Check TE, TC, TS sensors. Replace electron expansion valve. Check charged refrigerant amount. Check liquid/gas valves. Check abnormal overload. Is high-voltage Is connection of cabling connector normal? Is connection of...
  • Page 58 Relational graph of temperature sensor resistance value and temperature Resistance Ω Temperature [°C] Caracteristics-3 Resistance Ω (10°C or lower) Caracteristics-4 Resistance Ω (50°C or lower) TA sensor Caracteristics-1 Resistance Ω Temperature [°C] Temperature [°C] – 56 – TC, TCJ sensor Caracteristics-2 Temperature [°C] TE, TO, TS sensor...

  • Page 59: Compressor Does Not Operate

    10-4 Compressor does not operate. <Primary check> (1) Is the preset temperature higher than the room temperature in cooling operation? (2) Is the crossover cable connected properly? <Inspection procedure> -Cooling only model- Turn on power supply. Does OPERATION lamp blink? Does miniature relay RY04 switch on and off due to temperature changes?
  • Page 60 <Inspection procedure> -Cooling and heating model- Turn on power supply. Does OPERATION lamp blink? Is it possible to start unit by remote control? Is it possible to detect DC 15 − 60 V between 2 and 3 on terminal block? Is crossover cable normal? Is it possible to detect AC 12 V on secondary side...
  • Page 61 Are all of compressor cords normal? Is compressor motor winding normal? (Check winding resistor.) Is capacitor for compressor normal? Is overload relay normal? Does compressor start? Does compressor stop after a while? Is gas quantity normal? (Check gas pressure.) Compressor is defective. Replace P.C.

  • Page 62: Indoor Unit

    11-1. Indoor Unit Part name Air Inlet grille <How to remove the Air inlet grille> 1) Stop the operation of the Air conditioner and turn off its main power supply. 2) Open the Air inlet grille with both hands. 3) Unfasten 3 screws (about two to three rounds) for fixing the Panel arms.
  • Page 63 Part name Front panel <How to remove the Front panel> 1) Remove the Air inlet grille. (1) 2) In case of the Drain hose is installed through the Front panel. : Remove the Drain band from the Front : Cut away the Opening base for piping 3) Open 3 Cap screws and remove the screws.
  • Page 64 Part name Front panel 6) Remove both side hooks and remove the Front panel by turn to air inlet part direction. <How to install the Front panel> 1) In case of the Drain hose installation through the Front panel, install the opening base for piping in the Back body by a screw (M4 x 12).
  • Page 65 Part name Drain pan 7) Remove 7 screws and remove the Drain assembly pan assembly. Electrical parts <How to remove the Electrical parts assembly> assembly 1) Remove the Air inlet grille, the Front panel and the Drain pan assembly. (1, 2, 3) 2) Remove the Terminal cover.
  • Page 66 Part name Refrigeration 7) Remove 2 screws and remove the assembly refrigeration assembly with pushing it to right hand. <How to remove the Multiblade fan and Multiblade fan Fan motor> and Fan motor 1) Remove the Air inlet grille and the Front panel.
  • Page 67 11-2. Outdoor Unit (RAV-SM560AT-E) Part name  Common procedure Never forget to put on the gloves at working time, otherwise an injury will be caused by the parts, etc. 1. Detachment 1) Stop operation of the air conditioner, and turn off the main switch of the breaker for air conditioner.
  • Page 68 Part name ‚ Front cabinet 1. Detachment 1) Perform work of item 1 of 2) Remove screws (ST1T Ø4 x 10L, 2 pcs.) of the front cabinet and the inverter cover. 3) Take off screws of the front cabinet and the bottom plate.
  • Page 69 Part name ƒ Inverter 1. Detachment assembly 1) Perform work of item 1 of 2) Take off screws of the upper part of the front cabinet. • If removing the inverter cover under this condition, P .C. board can be checked. •...
  • Page 70 Part name „ Control P .C. 1) Disconnect lead wires and connectors board assembly connected from the control P .C. board assembly to other parts. 1. Lead wires • Connection with the power terminal block: 3 wires (Black, White, Orange) •...
  • Page 71 Part name … Rear cabinet 1) Perform works of items 1 of 2) Take off fixed screws for the bottom plate. (ST1T Ø4 x 10L, 3 pcs.) 3) Take off fixed screws for the heat ex- changer. (ST1T Ø4 x 10L, 2 pcs.) 4) Take off fixed screw for the valve mounting plate.
  • Page 72 Part name ‡ Compressor 1) Perform works of items 1 of ‚ ƒ 2) Discharge refrigerant gas. 3) Remove the partition plate. (ST1T Ø4 x 10L, 2 pcs.) 4) Remove the noise-insulator. 5) Remove the terminal covers of the compressor, and disconnect lead wires of the compressor and the compressor thermo assembly from the terminal.
  • Page 73 Part name ‰ 1. Detachment Pulse Modulating Valve (PMV) coil 1) Perform works of items 2) Release the coil from the concavity by turning it, and remove coil from the PMV. 2. Attachment 1) Put the coil deep into the bottom position.
  • Page 74 11-3. Outdoor Unit (RAV-SM800AT-E) Part name  Common procedure Never forget to put on the gloves at working time, otherwise an injury will be caused by the parts, etc. 1. Detachment 1) Stop operation of the air conditioner, and also turn off switch of the breaker. 2) Remove the front panel.
  • Page 75 Part name ‚ Discharge port 1. Detachment cabinet 1) Perform work of item 1 of 2) Take off screws (ST1T Ø4 x 10L, 3 pcs.) of discharge port cabinet for the partition plate. 3) Take off screws (ST1T Ø4 x 10L, 2 pcs.) of discharge port cabinet for the bottom plate.
  • Page 76 Part name „ Inverter 1) Perform works of items of 1) to 5) of assembly 2) Take off screw (ST1T Ø4 x 10L, 1 pc.) of the upper left part of the inverter cover. • If removing the inverter cover under this condition, P .C.
  • Page 77 Part name … Control P .C. 1) Remove the inverter box from P .C. board base. board 2) Disconnect lead wires and connectors con- assembly nected from the control P .C. board assembly to other parts. 1. Lead wires: With the power terminal block: 2 pcs. (Single phase) (Red, White) With the compressor: 3 pcs.
  • Page 78 Part name † Fan motor 1) Perform works of items 1) to 5), 7) of 2) Remove the flange nut fixing the fan motor and the propeller fan. • Loosen the flange nut by turning clock- wise. (To tighten the flange nut, turn it counterclockwise.) 3) Remove the propeller fan.
  • Page 79 Part name † Compressor 1) Perform works of items … 2) Evacuate refrigerant gas. 3) Disconnect the connector for fan motor from the inverter. 4) Take off screws fixing the motor base to the bottom plate. (ST1T Ø4 x 10L, 2 pcs.) 5) Remove the motor base together with the fan motor and the propeller fan.
  • Page 80 Part name ˆ Reactor 1) Perform works of items 1 of 2) Take off screws fixing the reactor. (Ø4 x 10L , 2 pcs. per one reactor. An outdoor unit has two reactors on the partition plate.) ‰ Pulse Modulating 1.
  • Page 81 Part name Š Fan guard 1. Detachment 1) Perform works of items 1 of 2) Remove the air flow cabinet, and put it down so that the fan guard side directs downward. Perform work on a corrugated card- board, cloth, etc. to prevent flaw to the product.

  • Page 82: Exploded Views And Parts List

    12. EXPLODED VIEWS AND PARTS LIST 12-1. Indoor Unit (E-Parts Assy) Location Part 43T69348 PC Board (RAV-SM560XT-E) 43T69349 PC Board (RAV-SM800XT-E) 43T50004 Temperature sensor 43T60002 Terminal Block, 3P 43T62003 Cord clamp 43T69315 Display unit Location Description – 80 – Part...

  • Page 83: Indoor Unit

    12-2. Indoor Unit Location Part 43T09312 Air Inlet Grille 43T00357 Panel Arm Assy 43T00358 Front Panel Assy 43T01004 Mark 43T79303 Drain Band 43T80302 Air Filter 43T00359 Cap Screw C 43T00360 Cap Screw LR 43T20303 Fan Cover 43T20304 Motor Band Assy 43T20305 Multiblade Fan 43T19309 Screw Set (D-T) 43T21325 Fan Motor...
  • Page 84 12-3. Outdoor Unit (RAV-SM560AT-E) Location Part 43105037 Cabinet, Front, PCM 43100239 Cabinet, Back, PCM 43042468 Base, Ass’y 43005508 Cabinet, UP, PCM 43119460 Guard, Fan, PP 43119448 Cover, Packed, Valve 43062230 Cover, Wiring, Ass’y 43047667 Nut, Flange 43020329 Fan, Propeller, PJ421 4302C033 Motor, Fan, ICF-140-43-1 4314G128 Condenser, Ass’y 43041609 Compressor, DA130A1F-23F...
  • Page 85 12-4. Outdoor Unit (RAV-SM800AT-E) Location Part 43191634 Cabinet, Air Outled 43191636 Cabinet, Front, Ass’y 43191635 Cabinet, Side, Ass’y 43191637 Panel, Upper 43005489 Guard, Fin 43191630 Guard, Fan, PP-K 43122065 Bell Mouth, Plastic 43047667 Nut, Flange 43120123 Fan, Propeller, PJ491, AS-G 43121693 Motor, Fan, ICF-140-63-1 4314G117 Condenser, Ass’y 43191515 Panel, Front, Piping...
  • Page 86 12-5. Outdoor Unit (Inverter Assy, RAV-SM560AT-E) Location Part 43050334 Sensor, TD (F4), TD Sensor 43050382 Sensor, TC (F6), TC Sensor 43062228 Base, P.C. Board, ABS Location Description – 84 – Part Description 43160469 Terminal Block, 6P, AC250V, 20A 4316V182 P.C. Board Ass’y, MCC-813 TE Sensor TS Sensor TO Sensor...
  • Page 87 12-6. Outdoor Unit (Inverter Assy, RAV-SM800AT-E) INVERTER BOX Location Part 43050334 Sensor, TD (F4), TD Sensor 43050382 Sensor, TC (F6), TC Sensor 43160469 Terminal Block, 6P, AC250V, 20A INVERTER COVER Location Description – 85 – TO Sensor TE Sensor TS Sensor TD Sensor Part Description...
  • Page 88 TOSHIBA CARRIER (THAILAND) CO., LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND. – 86 –...

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