1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. Air Conditioner
  5. RAV-M242A-E
  6. Service manual

Toshiba RAV-M242A-E Service Manual

Room air-conditioner
Hide thumbs
Table of Contents

Advertisement

Quick Links

SERVICE MANUAL

ROOM AIR-CONDITIONER
RAV-M242A-E
(Combination with RAS-13SKX)
(Combination with RAS-13SK-E)
RAV-M242A
FILE NO. A10–9801
S U P P L E M E N T
SPLIT WALL TYPE
RAS-13SK-E
(or RAS-13SKX)
Unit A
RAV-M242A-E
(or RAV-M242A)
PRINTED IN JAPAN, Mar.,1998 ToMo
Unit B

Advertisement

Table of Contents
loading

Related Manuals for Toshiba RAV-M242A-E

Summary of Contents for Toshiba RAV-M242A-E

  • Page 1: Service Manual

    FILE NO. A10–9801 S U P P L E M E N T SERVICE MANUAL ROOM AIR-CONDITIONER SPLIT WALL TYPE RAV-M242A-E (Combination with RAS-13SK-E) RAV-M242A (Combination with RAS-13SKX) RAS-13SK-E Unit B (or RAS-13SKX) Unit A RAV-M242A-E (or RAV-M242A) PRINTED IN JAPAN, Mar.,1998 ToMo...

  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATIONS .......................... 3 2. CONSTRUCTION VIEWS ......................4 3. WIRING DIAGRAM ........................5 4. SPECIFICATIONS OF ELECTRICAL PARTS ................6 5. REFRIGERANT PIPING DIAGRAM ....................7 6. UNIT INSTALLATION ........................9 7. TROUBLESHOOTING CHART ....................10 7-1. What to be Prechecked First ......................10 7-2.

  • Page 3: Specifications

    1. SPECIFICATIONS Model RAV-M242A-E / RAV-M242A Item 2 indoor unit Operation Unit *1 BTU/h 12, 200 x 2 kcal/h 6, 100 Cooling capacity *1 BTU/h 24, 400 Phase Power source 220 – 240 Power consumption Cooling 2,46 Power factor Cooling...

  • Page 4: Construction Views

    2. CONSTRUCTION VIEWS Outdoor Unit RAV-M242A-E (or RAV-M242A) Space required for service Anchor bolt hole (4-12x18 long hole) Air inlet Space for service Outlet (Space for wiring and piping) When installing, the inlet is to be faced the wall side.

  • Page 5: Wiring Diagram

    Unit B RAV-M242A Indoor Unit Outdoor Unit 220-240V 1Ph 50Hz power supply Earth screw 52C1 52C2 Unit A Unit B RAV-M242A-E Indoor Unit Outdoor Unit 220-240V 1Ph 50Hz power supply Earth screw 52C1 52C2 (Electrical Parts Box) 52C1 52C2 52C1...

  • Page 6: Specifications Of Electrical Parts

    4. SPECIFICATIONS OF ELECTRICAL PARTS Parts name Type Specifications Output 1,1 kW, 2 pole, 1 φ, 220 – 240 V, 50 Hz Compressor 1, 2 PH160X2-4L Winding resistance: Main coil 2,2 Ω, Aux. coil 3,8 Ω Output 63 W, 6 pole, 1 φ, 220 – 240 V, 50 Hz Fan motor STF-200-63B Magnetic contactor...

  • Page 7: Refrigerant Piping Diagram

    5. REFRIGERANT PIPING DIAGRAM (Indoor unit A) (Indoor unit B) Evaporator Evaporator (RAS-13SK) (RAS-13SK) Refrigerant pipe Refrigerant pipe Refrigerant pipe Refrigerant pipe (Liquld side) (Gas side) (Liquld side) (Gas side) φ6,4mm φ12,7mm φ6,4mm φ12,7mm Outdoor Unit Packed Packed Packed Packed Capillary tube Capillary tube valve...

  • Page 8: Refrigerant Piping

    • Do not carry out this air purge by using the refrig- 5-1-5. Additional Refrigerant Quantities erant filled in the outdoor unit. Table 5-3 • To handle valves, a 5mm hexagon wrench is needed. Model Addition per meter RAV-M242A-E No need (or RAV-M242A) – 8 –...

  • Page 9: Unit Installation

    6. UNIT INSTALLATION Service Space Ensure that there is sufficient space around the outdoor unit for installation and servicing. 100 or more 300 or more or more 100 or more 500 or more Fig. 6-1 • Do not install in a place that can increase the vibration and amplify the noise level of the units. •...

  • Page 10: Troubleshooting Chart

    7. TROUBLESHOOTING CHART For RAS-13SK-E/RAV-M242A-E (or RAS-13SKX/RAV-M242A) Troubleshooting Procedures : • Following details of “What to be prechecked first”, make sure of the basic items. • When there is no trouble corresponding to above, check in detail the faulty parts following “How to judge faulty parts by symptoms”...

  • Page 11: Primary Judgement Of Trouble Sources

    7-2. Primary Judgement of Trouble Sources 7-2-1. Role of Indoor Unit Controller 7-2-2. Display of Abnormalities and Judgement of the Abnormal Spots The indoor unit controller receives the operation commands from the remote control and assumes The indoor unit of this machine observes the opera- the following functions.
  • Page 12 (2) Self-diagnosis with remote control 2) Selecting ordinary mode With the indoor unit control, self-diagnosis of Push the all clear button (ACL) on the rear bot- protective circuit action can be done by turning the tom of the wireless remote control by a tip of remote control operation into service mode, pencil for more than 3 seconds.
  • Page 13 <Self-diagnosis by check codes> 2) Remote control key operation under the ser- vice mode is conducted by ON/OFF or TEMP . 1) The self-diagnosis by the check codes is con- ducted under the block displays of item b)-e). The remote control display by each key op- eration is varied as shown below.
  • Page 14 Table 7-5 Block level Diagnosis function Judgment and action Check Check Block Symptom conditioner Condition code code status Indoor Thermo sensor Continued Indicated when • Check thermo sensor. P.C. board short/break operation detected abnormal • If it is OK, check P.C. board. (Around sensor circuit) Heat exchanger Continued...

  • Page 15: Troubleshooting Flowcharts

    7-3. Troubleshooting Flowcharts 7-3-1. Power can not be Turned on (No Operation at All) <Preliminary checks> (1) Is the supply voltage normal? Operation (2) Is the connection to the AC output OK? Check Items Main cause Shut off the power supply from AC outlet once and Countermeasure turn it on after 5 seconds.
  • Page 16 7-3-2. Power can not be Turned on after Replacing Indoor P.C. Board <Checking Procedure> Connect the AC Power supply Return the wiring of the Does the OPERATION Is it wired as shown power relay is returned to in Figure below? lamp blink? the normal procedure.
  • Page 17 7-3-4. Only Compressor does not Operate Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See "Power can not be turned on". Does the power turn on by See "Power can not be turned on".
  • Page 18 7-3-5. Only Outdoor Fan does not Operate Shut off the power supply from AC outlet once and turn it on after 5 seconds. Does the OPERATION lamp blink? See "Power can not be turned on". Does the power turn on by See "Power can not be turned on".
  • Page 19 7-3-6. Only the Indoor Fan does not Operate < Check procedure > Shut off the power supply once. Turn the power supply. Does the fan Replace the P.C. board. stop in no operating Control P.C. board is defective. status? Start the operation with low fan setting in cool operation.

  • Page 20: How To Check The Remote Control (Including The Indoor P.c. Board)

    7-4. How to Check the Remote Control (Including the Indoor P.C. Board) There is no beep from the indoor unit. The operation lamp of Push the START/STOP button. the air conditioner main unit does not light. Does the transmission indicator blink? Short-circuit the metal terminal at the side of the battery compartment...
  • Page 21 7-4-1. How to Check the P.C. Board (2) Inspection procedures 1) When a P .C. board is judged to be defective, (1) Operating precautions check for disconnection, burning, or discolora- 1) When removing the front panel or the P.C. tion of the copper foil pattern or this P .C. board. board, be sure to shut off the power supply.
  • Page 22 (3) Checking procedure Table 7-6 Procedure Check Point (Symptom) Causes Shut off the power supply and 1. Is the fuse blown? 1. * Application of shock voltage. remove the P.C. board assembly * Over-current by short-circuit of the from the electronic parts base. parts.

  • Page 23: Board Layout

    7-5. P.C. Board Layout Top View Bottom View – 23 –...
  • Page 24 Table 7-7 Approximate value of the sensor (thermistor) resistance (TA, TC) (= kΩ) Temperature 0°C 10°C 20°C 25°C 30°C Sensor Thermo. Sensor 35,8 20,7 12,6 10,0 7,92 7-5-1. How to Reduce the Operation Time of Wireless remote control the Anti-restart Timer •...

  • Page 25: Exploded Views And Parts List

    8. EXPLODED VIEWS AND PARTS LIST 8-1. Indoor Unit Location Part Location Part Description Description 43T60002 Base, Terminal 43T69007 P .C. Board, WRS-LED 3P , AC 300V, 20A MCC-635 43T69004 Sensor, Heat Exchanger 43T69017 P .C. Board MCC-713 10kΩ, 25°C 43T61001 Base, E-Parts 43T69005 Sensor, Thermostat ABS, Black, UL94-5V...

  • Page 26: Outdoor Unit

    8-2. Outdoor Unit Location Location Part No. Description Part No. Description 43120168 Fan, Propeller 43046228 Packed Valve, 6,35 43143701 Condenser 43145103 Dryer 43041728 Compressor, AC 220/240V, 43119390 Hanger 50Hz, PH160X2-4L 43146443 Solenoid Coil 43121636 Motor, Fan, STF-200-63B 43047492 Capillary Tube, 1,7 Dia 43191494 Guard-Fan 43047491 Capillary Tube, 1,5 Dia 43046151 Valve, 2-way...
  • Page 27 Part No. Description Part No. Description 43154139 Switch, Magnetic 43055354 Capacitor, Plastic Film, 35MFD, 400V 43160479 Terminal, Block, 2P 43054380 Relay, Overload 43160466 Terminal, Block, 4P (RAV-M242A) 43155146 Capacitor, Electrolytic 43160480 Terminal, Block, 6P 43150220 Bimetal Thermostat (RAV-M242A-E) – 27 –...

This manual is also suitable for:

Rav-m242a

Table of Contents