Toshiba RAS-13UKV-E Service Manual
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Toshiba RAS-13UKV-E Service Manual

Toshiba RAS-13UKV-E Service Manual

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.ILE NO. A02-001
SPLIT TYPE
RAS-13UKV-E
RAS-13UAV-E
PRINTED IN JAPAN, Mar.,2002 ToMo

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Summary of Contents for Toshiba RAS-13UKV-E

  • Page 1 .ILE NO. A02-001 SPLIT TYPE RAS-13UKV-E RAS-13UAV-E PRINTED IN JAPAN, Mar.,2002 ToMo...

  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATIONS ..................3 2. REFRIGERANT R410A ................5 3. CONSTRUCTION VIEWS ................ 13 4. WIRING DIAGRAM .................. 15 5. SPECIFICATIONS OF ELECTRICAL PARTS ......... 17 6. REFRIGERANT CYCLE DIAGRAM ............18 7. CONTROL BLOCK DIAGRAM ..............20 8. OPERATION DESCRIPTION ..............22 9.

  • Page 3: Specifications

    1. SPECIFICATIONS 1-1. Specifications RAS-13UKV-E/RAS-13UAV-E Unit model Indoor RAS-13UKV-E Outdoor RAS-13UAV-E Current limited — Cooling capacity (kW) Cooling capacity range (kW) 0.9 – 4.0 Heating capacity (kW) Heating capacity range (kW) 0.9 – 6.0 Power supply 220 – 230 –240V – 1Ph – 50/60Hz...
  • Page 4 Pipe length : 5m –10 –9 –8 –7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 7 8 9 10 Outdoor temp. (˚C) Outdoor temp. (˚C) Capacity ratio : 100% = 3.5 kW (RAS-13UKV-E) – 4 –...

  • Page 5: Refrigerant R410A

    2. REFRIGERANT R410A This air conditioner adopts the new 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 new refrigerant R410A even when refrigerant leaks, its concentration is 1.6 times higher than conventional refrigerant...
  • Page 6 Table 2-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A 6.35 0.80 0.80 9.52 0.80 0.80 12.70 0.80 0.80 15.88 1.00 1.00 (2) Joints b) Socket Joints For copper pipes, flare joints or socket joints are Socket joints are such that they are brazed used.
  • Page 7 d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. ØD By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conven- tional flare tool. Flare processing dimensions differ according to the type of flare tool.
  • Page 8 Table 2-2-6 Flare and flare nut dimensions for R22 Outer Dimension (mm) Flare nut Nominal Thickness diameter width diameter (mm) (mm) (mm) 6.35 9.52 13.0 13.5 12.70 16.2 16.0 12.9 15.88 19.7 19.0 16.0 19.05 23.3 24.0 19.2 Fig. 2-2-2 Relations between flare nut and flare seal surface (2) Flare Connecting Procedures and Precautions When it is strong, the flare nut may crack and may be made non-removable.
  • Page 9 2-3. Tools 2-3-1. 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 Ø12.7 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 10: Recharging Of Refrigerant

    2-4. 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. When the compound gauge’s pointer has indicated –0.1 Mpa (–76 cmHg), place the handle Low in the fully closed position, and turn off the vacuum pump’s power switch.
  • Page 11 (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 12 (2) Characteristics required for flux 2-5-3. Brazing • Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the brazing temperature. experiences based upon a theoretical knowledge, it • Due to a wide effective temperature range, flux must be performed by a person qualified. is hard to carbonize.

  • Page 13: Construction Views

    3. CONSTRUCTION VIEWS 3-1. Indoor Unit RAS-13UKV-E Air inlet Air filter Heat exchanger Air outlet Knock out system Front panel Back body Hanger Drain hose (0.54m) Connecting pipe (0.43m) (Flare Ø6.35) Hanger Knock out system Connecting pipe (0.33m) (Flare Ø9.52) For stud bolt (Ø8 to Ø10)
  • Page 14 3-2. Outdoor Unit RAS-13UAV-E A leg part Ø11 x 17U-shape hole Ø25 drain hole (For Ø8-Ø10 anchor bolt) 8-Ø6 hole (For fixing outdoor unit) B leg part Ø11 x 17 long hole (For Ø8-Ø10 anchor bolt) Ø4.5 embossing (Ø4STS used) (For sunshade roof attaching) Valve cover Fan guard...

  • Page 15: Wiring Diagram

    4. WIRING DIAGRAM 4-1. Indoor Unit RAS-13UKV-E COLOR IDENTIFICATIONBLU : BLACK : RED : WHITE TERMINAL INDOOR OUTDOOR : YELLOW BLOCK UNIT UNIT : BLUE GRN & YEL: GREEN & YELLOW GRN & YEL CN01 (BLU) CN24 CN23 CN21 CN10...
  • Page 16 4-2. Outdoor Unit RAS-13UAV-E PULSE MODULATING VALVE COIL for 4-WAY VALVE THERMOSTAT COMPRESSOR CN600 CN601 CN602 CN603 CN701 CN703 CN500 SURGE ABSORBER POWER SUPPLY RELAY 220-240V~ REACTOR VARISTOR 50/60Hz FUSE T25A INDOOR UNIT POEWR RELAY C12 C13 C14 ELECTRONIC STARTER FUSE T3.15A REACTOR...

  • Page 17: Specifications Of Electrical Parts

    5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1. Indoor Unit RAS-13UKV-E Parts name Type Specifications Fan motor (for indoor) ICF-340-30-2 DC340V, 30W Thermo. sensor (TA-sensor) ( – ) 10kΩ at 25°C DC-DC transformer (T01) SWT-70 DC390V, Secondary DC15V, 12V, 7V Microcomputer µPD780024AGK Heat exchanger temp.

  • Page 18: Refrigerant Cycle Diagram

    6. REFRIGERANT CYCLE DIAGRAM 6-1. Refrigerant Cycle Diagram RAS-13UKV-E/RAS-13UAV-E Temp. measurement INDOOR UNIT Indoor heat exchanger Cross flow fan Pressure measurement Max. : 15m Deoxidized copper pipe Gauge attaching port Outer dia. : 6.35mm Vacuum pump connecting port Thickness : 0.8mm...

  • Page 19: Operation Data

    6-2. Operation Data <Cooling> Temperature Heat exchanger Standard Compressor condition (°C) Model pipe temp. Indoor fan Outdoor fan pressure revolution name mode mode P (MPa) (rps) Indoor Outdoor T1 (°C) T2 (°C) 27/19 35/– 13UKV-E 0.8 to 1.0 9 to 11 49 to 50 High High...

  • Page 20: Control Block Diagram

    7. CONTROL BLOCK DIAGRAM 7-1. Indoor Unit Indoor Unit Control Panel RAS-13UKV-E M.C.U Powerful Functions Heat Exchanger Sensor Display Temperature Sensor • Louver Control Operation Display Infrared Rays Signal Receiver • 3-minute Delay at Restart for Compressor Timer Display Infrared Initializing Circuit •...
  • Page 21 MICRO-COMPUTER BLOCK DIAGRAM For INDOOR UNIT 220–230–240 V to 50/60 Hz MCC813 (P.C.B) OUTDOOR UNIT Inddor unit Rotor position send/receive detect circuit M.C.U circuit • PWM synthesis function Rotor position detect circuit • Input current release control • IGBT over-current detect control Discharge Gate drive •...

  • Page 22: Operation Description

    8. OPERATION DESCRIPTION 8-1. Outline of Air Conditioner Control (2) Role of outdoor unit controller Receiving the operation command signal (Serial This air conditioner is a capacity-variable type air signal) from the indoor controller, the outdoor conditioner, which uses DC motor for the indoor fan unit performs its role.
  • Page 23 (4) Contents of operation command signal (Serial 8-1-2. Current Release Control signal) from outdoor unit controller to indoor unit The outdoor main circuit control section (Inverter controller assembly) detects the input current to the outdoor The following signals are sent from the outdoor unit.
  • Page 24 8-1-7. Indoor Fan Control (DC Fan Motor) Table 8-1-2 (1) The indoor fan is operated by the stepless speed RAS-13UKV-E change DC motor. Operation Motor speed Air flow rate mode mode (2) For air flow level, speed of the indoor fan motor (rpm) (m³/h)

  • Page 25: Description Of Operation Circuit

    8-2. Description of Operation Circuit (1) Cooling capacity control • The cooling capacity and room temperature • Turning [ON] the breaker flashes the operation are controlled by changing the compressor lamp. (1Hz) motor speed according to both the difference This is the display of power-ON (or notification of between the temperature detected by the room power failure).
  • Page 26 Operation stop zone Normal down zone Table 8-2-1 of motor speed Release of motor speed Slow down of motor speed RAS-13UKV-E Air flow rate (rps) HIGH Keep zone : Motor speed is not changed. MED. Slow-up zone of motor speed L–, L...
  • Page 27 8-2-2. DRY Operation [Basic control] (The Remote Controller MODE Button is Set to the DRY Position) temp. –0.5 • Once the setting is made, the operation mode is –1 memorized in the microcomputer so that the same –1.5 operation can be effected thereafter simply by –2 pushing [START/STOP] button.
  • Page 28 The outdoor unit controls the outdoor fan based b. The counted time is 28 minutes or more, upon the operation signal sent from the indoor unit, and status that temperature of the outdoor and also controls revolution speed of the compres- heat exchanger detected by the outdoor sor motor.

  • Page 29: Temporary Operation

    8-2-4. Automatic Operation (2) After selecting the operation mode (COOL, DRY, HEAT), select an operation mode again when a (1) As shown in Fig. 8-2-9, the operation mode status that the compressor was turned off by the (COOL, DRY, HEAT) is selected according to the room temperature or outside air temperature outside temperature and room temperature continues for 15 minutes.
  • Page 30 8-4. Auto Restart Function 8-4-1. How to Set the Auto Restart Function To set the auto restart function, proceed as follows: This indoor unit is equipped with an automatic restarting function which allows the unit to restart The power supply to the unit must be on ; the operating with the set operating conditions in the function will not set if the power is off.

  • Page 31: Filter Check Lamp

    8-4-2. How to Cancel the Auto Restart The unit will be required to be turned on with the remote controller after the main power supply is Function turned off. To cancel auto restart function, proceed as follows : Repeat the setting procedure : the unit receives the signal and beeps three times.

  • Page 32: Remote Controller And Its Fuctions

    8-6. Remote Controller and its Fuctions Cancel button (CLR) Push this button to cancel ON timer and OFF timer. 8-6-1. Parts Name of Remote Controller (A receiving beep is heard.) Infrared signal emitter High power button (Hi-POWER) Transmits a signal to the indoor unit. Push this button to start the high power operation.
  • Page 33 8-6-2. Name and Functions of Indications on Remote Controller [Display] All indications, except for clock time indication, are indicated by pushing the START/STOP button. Transmission mark TIMER and clock time display This transmission mark indicates when the The time set for timer operation or clock time is remote controller transmits signals to the indoor indicated.
  • Page 34 8-7. Hi-POWER Mode ([Hi-POWER] button on the remote controller is pushed.) When [Hi-POWER] button is pushed while the indoor unit is in Auto, Cooling or Heating operation, Hi- POWER mark is indicated on the display of the remote controller and the unit operates as follows. (1) Automatic operation •...

  • Page 35: Installation Procedure

    • Before doing the electrical work, attach an approved plug to the power supply cord. And make sure the equipment to be earthed. • Appliance shall be installed in accordance with national wiring regulations. If you detect any damage, do not install the unit. Contact your Toshiba dealer immediately. – 35 –...
  • Page 36 CAUTION • Exposure of unit to water or other moisture before installation will result in an electrical short. Do not store in a wet basement or expose to rain or water. • After unpacking the unit, examine it carefully for possible damage. •...
  • Page 37 9-1-2. Optional Installation Parts Fixing bolt arrangement of outdoor unit • Secure the outdoor unit with Part Parts nam e Q’ty the fixing bolts and nuts if code the unit is likely to be exposed Suction side Refrigerant piping to a strong wind. Each Liquid side : Ø6.35...
  • Page 38 9-2. Indoor Unit Mounting the Installation Plate For installation of the indoor unit, use the paper 9-2-1. Installation Place pattern on the back. • A place which provides the spaces around the indoor Anchor bolt holes unit as shown in the above diagram. •...
  • Page 39 9-2-3. Electrical Work Terminal block Terminal cover Cord clamp 1. The supply voltage must be the same as the rated voltage of the air conditioner. Screw Connecting cable 2. Prepare the power source for exclusive use with the air conditioner. NOTE : Earth line •...
  • Page 40 How to install the Drain Cap Left-hand connection with piping Firmly insert drain hose connecting part unit hitting on Bend the connecting pipe so that it is laid within 43mm a heat insulator. above the wall surface. If the connecting pipe is laid exceeding 43mm above the wall surface, the indoor unit may unstably be set on the wall.
  • Page 41 9-2-6. Indoor Unit Fixing 9-3. Outdoor Unit 1. Pass the pipe through the hole in the wall, and hook 9-3-1. Installation Place the indoor unit on the installation plate at the upper hooks. • A place which provides the spaces around the outdoor unit as shown in the left diagram.
  • Page 42 2. Insert a flare nut into the pipe, and flare the pipe. 9-3-3. Evacuating • Projection margin in flaring : A (Unit : mm) After the piping has been connected to the indoor unit, Rigid (Clutch type) you can perform the air purge together at once. Outer dia.
  • Page 43 To switch the TEST RUN (COOL) mode, push TEMPO- RARY button for 10 sec. (The beeper will make a short beep.) Fig. 9-3-9 Model RAS-13UKV-E 50/60 Hz Power source 220 – 240 V Single phase Maximum running current Installation fuse rating...

  • Page 44: How To Diagnose The Trouble

    10. HOW TO DIAGNOSE THE TROUBLE The pulse modulating circuits are mounted to both NOTE : indoor and outdoor units. Therefore, diagnose A large-capacity electrolytic capacitor is used in the troubles according to the trouble diagnosis proce- outdoor unit controller (inverter). Therefore, if the dure as described below.

  • Page 45: Primary Judgment

    10-1-3. Operation Which is not a Trouble (Program Operation) For controlling the air conditioner, the program operations are built in the microcomputer as described in the following table. If a claim is made for running operation, check whether or not it meets to the contents in the following table.

  • Page 46: Judgment By Flashing Led Of Indoor Unit

    10-3. Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner, if the protective circuit operates, the contents of self-diagnosis are displayed with block on the indoor unit indication section. Table 10-3-1 Check Item Block display...
  • Page 47 10-4. Self-Diagnosis by Remote Controller (Check Code) (1) If the lamps are indicated as shown B to H in Table 10-3-1, excute the self-diagnosis by the remote control- ler. (2) When the remote controller is set to the service mode, the indoor controller diagnoses the operation condi- tion and indicate the information of the self-diagnosis on the display of the remote controller with the check codes.
  • Page 48 10-4-2. Caution at Servicing (1) After servicing, push the START/STOP button to return to the normal mode. (2) After servicing by the check code, turn off breaker of the power supply, and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status. However, the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory.
  • Page 49 Block distinction Operation of diagnosis function Judgment and action Check Check Block Cause of operation conditioner Remarks code code status Outdoor P.C. Inverter over-current All off Displayed when Even if trying operation again, all board protective circuit error is detected. operations stop immediately.

  • Page 50: Judgment Of Trouble By Every Symptom

    10-5. Judgment of Trouble by Every Symptom 10-5-1. Indoor Unit (Including Remote Controller) (1) Power is not turned on (Does not operate entirely) <Primary check> 1. Is the supply voltage normal? Operation 2. Is the normal voltage provided to the outdoor unit? 3.
  • Page 51 (3) Only the indoor motor fan does not operate <Primary check>  ‚ 1. Is it possible to detect the power supply voltage (200–240V) between on the terminal block? 2. Does the indoor fan motor operate in cooling operation? (In heating operation, the indoor fan motor does not operate for approximately 5 minutes after it is turned on, to prevent a cold air from blowing in.) Turn off power supply once, and...
  • Page 52 (4) Indoor fan motor automatically starts to rotate by turning on power supply <Cause> The IC is built in the indoor fan motor. Therefore the P.C. board is also mounted to inside of the motor. If the P.C. board is soldered imperfectly or the IC is defective, the fan motor may automatically rotate by turning on power supply.
  • Page 53 (5) Troublechooting for remote controller The unit does not beep at all. Push the START/STOP button. Operation lamp on indoor unit is not indicated. Is transmission mark indicated? Is receiver Push RESET button on indoor unit on remote controller exposed to with tip of pencil.
  • Page 54 10-5-2. Wiring Failure (Interconnecting and Serial Signal Wire) (1) Outdoor unit does not operate ‚ ƒ 1) Is the voltage between of the indoor terminal block varied? Confirm that transmission from indoor to outdoor is correctly performed based upon the following dia- gram.
  • Page 55 10-6. Check Code 1C (Miswiring in indoor/outdoor units) and 1E <Check procedure> Gas leakage, Discharge temp. error, disconnection of TS/TC gas leakage sensors (Check code 02, 1C) (Check code 03, 1E) Valve drive check Is coil of the pulse modulation valve Set it correctly.

  • Page 56: How To Diagnose Trouble In Outdoor Unit

    10-7. How to Diagnose Trouble in Outdoor Unit 10-7-1. Summarized Inner Diagnosis of Inverter Assembly Table 10-7-1 Diagnosis/Process flowchart Item Contents Summary Preparation Turn “OFF” the power breaker, and remove 3P connector which connects inverter and Remove connector of compressor. compressor.
  • Page 57 Diagnosis/Process flowchart Item Contents Summary Check Check winding resistance between phases of compres- sor, and resistance between outdoor frames by using a tester. → OK if 10MΩ or more Check • Is not grounded. winding of  • Is not short-circuited compressor.
  • Page 58 (3) Check procedures Table 10-8-1 Procedure Check points Causes Turn off the power supply and Check whether or not the fuse Impulse voltage was applied or the remove the P.C. board assembly (F01) is blown. indoor fan motor short-circuited. from electronic parts base. Remove the connecting cables from the terminal block.
  • Page 59 10-8-2. P.C. Board Layout +12V Bottom View (For the Top View, refer to page 65.) [1] Sensor characteristic table TD : Discharge temp. sensor TA : Room temp. sensor TC : Heat exchanger temp. sensor TO : Outdoor temp. sensor TA, TC, TO, TE, TS TE : Outdoor heat exchanger temp.
  • Page 60 10-8-3. Indoor Unit (Other Parts) Part name Checking procedure Room temp. (TA) sensor Disconnect the connector and measure the resistance value with Heat exchanger (TC) sensor tester. (Normal temp.) Temperature 10°C 20°C 25°C 30°C 40°C Sensor TA, TC (kΩ) 20.7 12.6 10.0 Remote controller...
  • Page 61 10-8-5. Checking Method for Each Part Part name Checking procedure Electrolytic capacitor 1. Turn OFF the power supply breaker. (For raising pressure, 2. Discharge all three capacitors completely. smoothing) 3. Check that safety valve at the bottom of capacitor is not broken. 4.

  • Page 62: How To Simply Judge Whether Outdoor Fan Motor Is Good Or Bad

    10-9. How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1. Symptom • Outdoor fan motor does not rotate. • Outdoor fan motor stops within several tens seconds though it started rotating. • Outdoor fan motor rotates or does not rotate according to the position where the fan stopped, etc. Remote controller check code “02 : Outdoor block, 1A : Outdoor fan drive system error”...

  • Page 63: How To Replace The Main Parts

    11. HOW TO REPLACE THE MAIN PARTS 11-1. Indoor Unit Part name Procedures Remarks  Front panel How to remove the front panel 1) Stop the operation of the air conditioner and turn off its main power supply. 2) Pull the air inlet grille toward you to open it and remove the air inlet grille.
  • Page 64 Part name Procedures Remarks Heat 1) Remove the front panel, electrical part and exchanger the horizontal louver with the procedure 2) Remove the pipe holder on the rear side of the main unit. 3) Remove 2 screws of the heat exchanger on the base bearing side.
  • Page 65 Part name Procedures Remarks † Cross flow 1) Remove the front panel, electrical part, horizon- tal louver and the heat exchanger with the „ procedure 2) Remove 2 screws of the band motor (L) and 2-Screws other 2 screws of the band motor (R) and then remove the cross flow fan.
  • Page 66 11-2. Microcomputer Part name Procedure Remarks  Common procedure 1) Turn the power supply off to stop the Replace the thermal fuse, operation of air-conditioner. terminal block, microcomputer ass’y and the P.C. board ass’y. 2) Remove the front panel. • Remove the 4 fixing screws. 3) Remove the electrical part base.
  • Page 67 11-3. Outdoor Unit Table-11-3-1 Part name Procedure Remarks  1. Detachment Common procedure 1) Stop operation of the air conditioner, and turn Upper cabinet off the main switch of the breaker for air condi- tioner. Wiring cover 2) Remove the valve cover. (ST1TØ4 x 10 1 pc.) Valve •...
  • Page 68 Part name Procedure Remarks ƒ Inverter 1. Detachment Inverter cover P . C. board  assembly (Soldered surface) 1) Perform work of item 1 of 2) Remove screw (ST1TØ4 x 10 2 pcs.) of the upper part of the front cabinet. •...
  • Page 69 Part name Procedure Remarks „ Control board 1) Disconnect lead wires and connectors con- assembly nected from the control board assembly to other parts. CN701 CN703 CN602 CN301 CN500 1. Lead wires Lead wires Lead wires Lead CN603 wires CN601 CN600 CN300 •...
  • Page 70 Part name Procedure Remarks †  ‚ Fan motor 1) Perform work of item 1 of 2) Remove the flange nut fixing the fan motor and Fan motor the propeller. Propeller fan • Flange nut is loosened by turning clockwise. (To tighten the flange nut, turn counterclock- wise.) 3) Remove the propeller fan.
  • Page 71 Part name Procedure Remarks ‰ 1. Detachment Pulse  ‚ ƒ … modulating 1) Perform work of item 1 of , and valve coil 2) Turn the coil clockwise (counterclockwise) by 90 degrees, and remove coil from the pulse modulat- ing valve.
  • Page 72 Part name Procedure Remarks Replacement of 1) Cut the sensor 100 mm longer than old one. temperature 2) Cut the protective tube after pulling out it Cutting here sensor for (200 mm). Thermal Connector sensor part servicing only 3) Move the protective tube toward the thermal sensor side and tear the tip of lead wire in Common service two then strip the covering part.
  • Page 73 MCC-813 – 73 –...

  • Page 74: Exploded Views And Parts List

    12. EXPLODED VIEWS AND PARTS LIST 12-1. Indoor Unit (1) Location Location Part Description Part Description 43T69319 Terminal Sensor 43T62003 Cord Clamp TC, 10kΩ, 25°C 43169079 P .C. Board Assembly, 43T60001 Terminal WRS-LED 2P AC300V, 20A 43T69322 P .C. Board, MCC-867 43T69320 Terminal Sensor TA, 10kΩ, 25°C...
  • Page 75 Indoor Unit (2) Electric Parts Assenbly 234 206 Location Location Part Description Part Description 43T00366 Front Panel Assembly 43T49006 Holder Plate EVA SEAL 43T09316 Inlet Grille Assembly 43T79302 Guide Drain 43T03302 Back Body Assembly 43T22002 Bearing 43T80301 Air Filter 43T39301 Base Bearing 43T09309 Horizontal Louver...
  • Page 76 12-2. Outdoor Unit 17, 18 11, 13 12, 14 24, 25 Location Location Part Description Part Description 43005368 Cabinet, Back, Assembly 43046378 Coil, PMV, A12A07 43005369 Cabinet, Upper, Assembly 43058264 Reactor 43005370 Cabinet, Front, Assembly 43050298 Thermostat, Bimetal, CS-7 125 4301V030 Guard, Fan 4302C033...
  • Page 77 12-3. P.C. Board Layout TE Sensor (Ø6) TS Sensor (Ø6) TO Sensor (Ø6) TD Sensor (Ø4) Location Location Part Description Part Description 43050334 Sensor, TD(F4) 43062228 Base, P .C. Board 43050382 Senser, TC(F6) 43063324 Heatsink 43160469 Terminal Block, 6P 4306S299 P .C.

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