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F I L E N O . A 00- 9625
TO S H I B A
S E R V IC E M ANUAL
AIR -C O NDIT IONE R
SPL I T W A L L T Y PE
RAS -1 0 S K-E RAS -1 0 S A-E
R A S-1 0 SK X R A S- 1 0 SA X
P R I N T E D IN J A P A N , D e c . , 199 6 T o M o
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CONTENTS 1. SPECIFICATIONS ........................................................................................................... 4 2. CONSTRUCTION VIEWS ............................................................................................... 6 2-1. Indoor Unit .................................................................................................................................. 6 2-2. Outdoor Unit ....................................................................
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9. TROUBLESHOOTING CHART ..................................................................................... 32 9-1. What to be Prechecked First .................................................................................................. 32 9-1-1. Power Supply Voltage...........................................................................................................................32 9-1-2. Incorrect Cable Connection between Indoor and Outdoor Units ............................
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1. SPECIFICATIONS RAS-10SK-E/10SA-E RAS-10SKX/10SAX Model Item COOLING 220V 230V 240V 220V 230V 240V Capacity *1 kW 2.65 2.65 2.70 2.70 2.70 2.70 Phase Single Power source V 220/230/240 Hz 50 Power consumption kW 0.83/0.85/0.88 Power factor % 95/92/90 A 220V 230V 240V Running current Indoor/Outdoor 0.15/3.82 0.15/3.87 0.15/3.92 Starting current A 16 Moisture removal lit/h 1.2 Indoor (H/M/L) dB 44/36/31 Noise Outdoor (220/230/240V) dB 44/45/45 Name of refrigerant R-22 Refrigerant Rated volume kg
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Note : *1 • Capacity is based on the following temperature conditions. Condition JIS C9612-1994 Temperature Cooling (DB) 27°C Indoor unit inlet air temperature (WB) 19°C (DB) 35°C Outdoor unit inlet air temperature (WB) 24°C Notes : *2 CHARGELESS • No additional refrigerant required. • This air conditioner accepts a connection piping length of up to 10m and a head of up to 5m. • There is no need to add the refrigerant as long as the total length of the connection piping is up to 10m. – 5 –
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2. CONSTRUCTION VIEWS 2-1. Indoor Unit RAS-10SK-E RAS-10SKX Heat exchanger Air inlet Air filter 790 174
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2-2. Outdoor Unit RAS-10SA-E RAS-10SAX 600 85 Detail Drawing 111 36 A ø25 Drain hole Gas side (flare ø9.52) A 600 36 R10 50 Liquid side (flare ø6.35) 50 ø6 Hole ø11x14 Hole 8-ø6 Holes 200 (For fixing the outdoor unit) 12 Handle 4-ø11x14 Long holes 11 (For anchor bolt ø8-ø10) Fan guard 111 ø420 TOSHIBA Electric parts cover Z 54 62 Access for charging 250 770 59 59 770 View Z 600 Inlet port 600 or more Inlet port 100 or more Visible outline (Minimum distance of the product of the wall) 4-ø11x14 L
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3. WIRING DIAGRAM Model Section A LOUVER RAS-10SK-E/SA-E MOTOR L FAN MOTOR DC 220/230/240V ~ N MOTOR 50Hz THERMAL FUSE 77˚C x 2 RAS-10SKX/SAX L N 220/230/240V ~ 50Hz 3 6 5 4 3 2 1 5 4 3 2 1 1 CN04 1 3 CN07 6 5 4 3 2 1 5 4 3 2 1 CN10 SG01 R109 MAIN P.C. BOARD BLK R116 MCC-713 GRN&YEL DSA VARISTOR P04 IC04 F01 FUSE R01 BRW DB01 T01 T3.15A L C02 Section A N 250V DC 35V C01 BLU 3 3 R21 C15 POWER L01 DC 12V TERMINAL RY02 RY01 BLOCK 4 4 DC 7V BLK DC 0V WHI C06 IC02 IC IC01 4 2 2 1 23 5 6 78 9 1 1 CN0
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4. SPECIFICATIONS OF ELECTRICAL PARTS 4-1. Indoor Unit RAS-10SK-E RAS-10SKX No. Parts name Type Specifications ICF-35-19-3 or DC 35V, 19W 1 Fan motor (for indoor) TICF-35-19-3 Thermo sensor 2 (microprocessor) 10kΩ at 25°C (TA-sensor) 3 DC-DC transformer (T01) SWT-34 DC390V, Secondary DC35V, 12V, 7V 4 Microcomputer TMP87CK40F Power relay (RY01), Com- 5 DI1U Coil : DC12V 75mA, Rated AC250V 20A mon relay (RY02) Heat exchanger sensor 6 (microprocessor) 10kΩ at 25°C (TC-sensor) 7 Line filter (L01) R
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5. REFRIGERANT CYCLE DIAGRAM RAS-10SK-E / RAS-10SA-E RAS-10SKX / RAS-10SAX T1 Indoor unit Evaporator Cooling 0.39m 0.49m (Connecting pipe) (Connecting pipe) ø9.52 ø6.35 Cross flow fan Optional piping kits O.D.:9.52mm RB-P31BFH1 (3m) O.D.:6.35mm P RB-P51BFH1 (5m) RB-P71BFH1 (7m) Packed valve Packed valve (ø9.52) (ø6.35) Capillary tube Accumulator ø1.5x1200 Compressor PH102T1-4C Dryer Condenser Refrigerant R-22 0.73kg Propeller fan Outdoor unit Mark ( ) means check points of Gas Leak
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6. MICRO-COMPUTER BLOCK DIAGRAM – 11 – Main Unit Control Panel C. P. U Operation Heat Exchanger Sensor Functions Display Timer Thermo Sensor • Louver Control Display • 3-minute Delay at Restart for Compressor Infrared Rays Signal Receiver ECONO. Sign Display Initializing Circuit • Motor Revolution Control Infrared FAN-ONLY Rays Sign Display Clock Frequency Remote Control • Processing Oscillator Circuit (Temperature Processing) Indoor Operation (START/STOP) Fan Motor • Timer Operation Mode Sel
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7. OPERATION DESCRIPTIONS 7-1. FAN ONLY Operation 7-2. COOL Operation (MODE of the remote control : FAN ONLY) (MODE of the remote control : COOL) (1) During this mode, the relay RY01 is always turned (1) Compressor, outdoor fan and operation display off so that only the indoor fan is operated. RY02 are controlled as shown in Fig. 7-2-1. is always turnd on. FAN-ONLY display is lit. 1) When the FAN is set to AUTO, the indoor fan motor operates as shown in Fig 7-1-1. 2) When the FAN is set to LOW,
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7-2-1. Louver Control 7-3. DRY Operation (1) By pushing the SET button of the remote control (MODE of the remote control : DRY) during the operation, the louver can be set to the (1) Compressor, outdoor fan and operation display desired position. are controlled as shown in Fig. 7-3-1. And the louver position is stored in the microcom- puter, the louvers will be set to the position au- tomatically at the next operation. (2) When the AUTO button is pushed, the louver ver- +3 tically swings within
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7-4-1. Temporary Auto 7-4. AUTO Operation When the TEMPORARY button is pushed, the set (MODE of the remote control : AUTO) temperature is fixed at 24°C and controlled in accor- (1) One of the 2 modes, Cooling or Dry is selected dance with the chart shown in Fig. 7-4-1. according to room temperature at which operation is to start, as shown in Fig. 7-4-1. The Fan mode will continue until room temperature reaches a level at which another mode is selected. Cooling mode (The same cooling mode as the
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7-5. ECONO. Mode 7-6. Low-Temperature Limit Control (Cooling Operation) When the ECONO. button is pushed, during COOL and AUTO operation, the OPERATION display is The microprocessor detects the indoor heat exchanger turned off and the ECONO. display is lit and the indoor temperature so as to prevent freezing up the indoor unit operates quietly and mildly with controlling airflow. heat exchanger. Control is performed as shown in Fig. 7-6-1. 7-5-1. Cooling (1) In the ECONO. mode, the set temp. by
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7-7-1. How to Set the Auto Restart 7-7. Auto Restart Function To set the Auto Restart function, proceed as follows: This unit is equipped with an Automatic restarting Access the TEMPORARY button located in the lower facility which allows the unit to restart and resume the right hand corner beneath the hinged front panel of set operating conditions in the event of a power supply the indoor unit (please refer to section on PARTS shutdown without the use of the hand control. NAME). The power suppl
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7-7-2. How to Cancel the Auto Restart The system will now be required to manually restart with the remote control after the main supply is turned To cancel the Auto Restart function, proceed as off. follows: Cancellation is carried out: Repeat the setting procedure: the unit will acknowledge the instruction and bleep three times. • When the system is stand-by (not running) OPERATION MOTION Press the TEMPORARY button Stand-by continuously more than three ↓ seconds. The system starts to operate. T
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8. INSTALLATION PROCEDURE 8-1. Safety Cautions For general public use Power supply cord of parts of appliance for Outdoor use shall be more than polychloroprene sheathed flexible cord (design H05 RN-F), or cord designation 245 IEC 57. CAUTION TO DISCONNECT THE APPLIANCE FROM THE MAINS SUPPLY. This appliance must be connected to the mains by means of a circuit breaker or a switch with a contact separation of at least 3 mm. If this is not possible, a power supply plug with earth must be used. Th
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CAUTION • Exposure of unit or 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. • Do not install in a place that can increase the vibration of the unit. Do not install in a place that can amplify the noise level of the unit or where noise and discharged air might disturb user’s neighbors. • To avoid personal injury, be careful when handli
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(Attach to the back side.) (Attach to the back side.) 100 mm or more Air filter 600 mm or more 120 mm or more 120 mm or more 8-2. Installation Diagram of Indoor and Outdoor Units For installation of the indoor unit, use the paper pattern on the back. For the rear and left piping 3 Clip anchor Clip anchor Wall Hook Hook Front cabinet 1 Installation Insert the remote control holder Front panel plate cushion between the indoor unit and wall, and lift indoor unit to make work easier.
