FILE NO.
CONTENTS 1. SPECIFICATIONS ..................................................................................... 3 2. CONSTRUCTION VIEWS ........................................................................ 8 3. WIRING DIAGRAM ................................................................................. 10 4. SPECIFICATIONS OF ELECTRICAL PARTS ...................................... 11 5. REFRIGERANT CYCLE DIAGRAM ...................................................... 13 6. CONTROL BLOCK DIAGRAM .....
1.
RAS-10YKX/10YAX, RAS-11YKX/11YAX RAS-10YK-E/10YA-E, RAS-10YK-HX/10YA-HX MODEL RAS-10YKX/10YAX ITEM * Capacity kW 1 Power source Power consumption Power factor Running current Indoor/Outdoor Starting current Moisture removal Noise (SPL at 1 meter) Refrigerant Indoor (H/M/L) Outdoor (220–240V) Name of refrigerant Rated volume Phase V Hz kW % V A A lit/h dB (A) dB (A) kg Refrigerant control Interconnection pipe Condensate drain pipe Gas side size Connection type Liquid side size Connection type M
RAS-10YK-ES / RAS-10YA-ES RAS-10YKX-T / RAS-10YAX-T MODEL RAS-10YK-ES/10YA-ES ITEM * Capacity kW 1 Power source Power consumption Power factor Running current Indoor/Outdoor Starting current Moisture removal Noise (SPL at 1 meter) Refrigerant Indoor (H/M/L) Outdoor Name of refrigerant Rated volume Phase V Hz kW % V A A lit/h dB (A) dB (A) kg 220V–240V 220V 2,65–2,70 2,70 Single 220–240 220 50 0,80–0,85 96–94 220V–240V 0,80 96 220V 0,15/3,65 16 11 1,2 44 / 36 / 29 (220–240V) 44 R-410A 0,
* Note : 1 • Capacity is based on the following temperature conditions. CONDITION COOLING (DB) 27 °C (WB) 19 °C (DB) 35 °C (WB) 24 °C TEMPERATURE Indoor unit inlet air temperature Outdoor unit inlet air temperature * 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.
2.CONSTRUCTION VIEWS 2-1.
2-2.
3.
4. SPECIFICATIONS OF ELECTRICAL PARTS 4-1. Indoor Unit No. PARTS NAME TYPE SPECIFICATIONS Output (Rated) 20W, 6poles, 1phase, 220–240V, 50Hz 1 Fan motor (for indoor) 2 Thermo.
Indoor Unit Control Panel Operation Display Functions Heat Exchanger Sensor Timer Display • Louver Control Thermo. Sensor • 3-minute Delay at Restart for Compressor Infrared Rays Signal Receiver Initializing Circuit Clock Frequency Oscillator Circuit ECONO. Sign Display • Motor Revolution Control FAN-ONLY Sign Display • Processing (Temperature Processing) Indoor Fan Motor Operation (START/STOP) • Timer – 14 – Operation Mode Selection AUTO, COOL, DRY, FAN ONLY Thermo.
7. OPERATION DESCRIPTIONS 7-1. FAN ONLY Operation (The Remote Control MODE Button is Set to the FAN ONLY Operation) 7-2. COOL Operation (MODE of the remote control : COOL) (Room temp. – Set temp.) ON ON Set 0 temp. OPERATION display OFF Common relay (RY02) (1) During this mode, the relay RY01 is always turned off so that only the indoor fan is operated. RY02 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.
(1) Vertical air flow louvers (MODE of the remote control : DRY) Positions of vertical air flow louvers are automatically controlled according to the operation status (COOL, AUTO, DRY, FAN ONLY). Besides, positions of vertical air flow louvers can be arbitrarily set by pushing the [SET] button. The louver position which has been set by the [SET] button is stored in microcomputer, and the louver is automatically set at the stored position in the next operation.
7-4. AUTO Operation 7-4-1. Temporary Auto (MODE of the remote control : AUTO) When the TEMPORARY button is pushed (1 sec), the set temperature is fixed at 24°C and controlled in accordance with the chart shown in Fig. 7-4-1. (Room temp. – Set temp.) (1) One of the 2 modes, Cooling or Dry is selected 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.
7-7. Auto Restart Function 7-7-1. How to Set the Auto Restart This unit is equipped with an Automatic restarting function which allows the unit to restart and resume the set operating conditions in the event of a supply power shutdown without the use of the hand control. The operation will resume without warning three minutes after the power is restored.
7-7-2. How to Cancel the Auto Restart To cancel the Auto Restart function, proceed as follows: Repeat the setting procedure: the unit will acknowledge the instruction and beep three times. The system will now be required to manually restart with the remote control after the main supply is turned off. Cancellation is carried out: • When the system is stand-by (not running) MOTION OPERATION Push the TEMPORARY button continuously more than three seconds.
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.
WARNING • Never modify this unit by removing any of the safety guards or by-passing any of the safety interlock switches. • Do not install in a place which cannot bear the weight of the unit. Personal injury and property damage can result if the unit falls. • 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 requlations.
8-2. Installation Diagram of Indoor and Outdoor Units For installation of the indoor unit, use the paper pattern on the back. 66 mm or more Clip anchor Hook 120 Front cabinet mm For the rear left and left piping Wall Hook or m ore 1 Installation plate Front panel 120 or mmm ore Hook 5 Mounting screw Air Do not allow the drain hose to get slack.
8-3. Installation 8-3-1. Optional Parts Part code 600mm Air inlet Parts name Q’ty A Liquid side : ø6,35 mm Gas side : ø9,52 mm B Pipe insulating material (polyethylene foam, 6 mm thickness) C Putty, PVC tapes 230mm Refrigerant piping Each one 1 Air outlet Each one Fig 8-3-1 Air outlet • Secure the outdoor unit with the anchor bolts if the unit is likely to be exposed to a strong wind. • Use ø8 or ø10 anchor bolts. 8-3-2. Installation Parts Part No.
8-4. Indoor Unit 8-4-1. Cutting a Hole and Mounting Installation Plate K Installation place • A place which provides the spaces around the indoor unit as shown in the diagram in section 8-2. • A place where there is no obstacle near the air inlet and outlet. • A place which allows an easy installation of the piping to the outdoor unit. • A place which allows the front panel to be opened. When installing the refrigerant pipes from the rear.
CAUTION (1) Securely fit the installation plate onto the wall by screwing it in the upper and lower parts to hook up the indoor unit. (2) Install the installation plate horizontally in the wall. (3) To mount the installation plate on a concrete wall with anchor bolts, utilize the anchor bolt holes as shown in the above figure. CAUTION When installing the installation plate with mounting screw, do not use the anchor bolt hole.
8-4-3. Wiring Connection Taking out the power cord WARNING To plug the cable in the plug receptacle, take the following precaution. THIS APPLIANCE MUST BE EARTHED. Slitted portion IMPORTANT • Cut off the slitted portion in the side face of the rear panel to take out the power cord. After this, remove burrs, sharp edges, etc., to .smooth the cut face.
Wiring of the connecting cable can be carried out without removing of the front panel. (1) Remove the front panel. Fully open the front panel. Disengage the support arm located in the upper center while pushing its handle leftwards, and then remove the front panel toward you. (2) Remove the terminal cover and cord clamp. (3) Insert the connecting cable (according to local codes) into pipe hole on the wall.
8-4-5. Indoor Unit Installation Bend the connecting pipe so that it is laid within 43 mm above the wall surface. If the connecting pipe is laid exceeding 43 mm above the wall surface, the indoor unit may unstably be set on the wall. When bending the connecting pipe, make sure to use spring bender so as not to crush the pipe. Bend the connection pipe within a radius of 30 mm.
8-4-6. Drainage 8-5. Outdoor Unit (1) Run the drain hose sloping downwards. Installation place NOTE : • Hole should be made at a slight downward slant to the outdoor side. • A place which provides the spaces around the outdoor unit as shown in the diagram in page 19. • A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration. • A place where the operation noise and discharged air do not disturb your neighbors.
8-5-1. Refrigerant Piping Connection 8-5-2. Vacuum Pumping INFORMATION (1) Cut the pipe with a pipe cutter. Obliquity 90˚ Roughness Warp In order to prevent any other refrigerant from being charged accidentally, each port of the manifold has been changed in shape. Differences in Port Size between Conventional R22 and R410A Fig. 8-5-2 Port size (2) Insert a flare nut into the pipe, and flare the pipe.
Pressure gage Manifold valve High pressure side handle Low pressure side handle Charge hose (A) Lo Hi Outdoor unit Indoor unit Charge hose (B) Gas (Ø9,52) Service port A C VP D Packed valve B Liquid (Ø6,35) Fig. 8-5-5 CAUTION 8-5-3. Wiring Connection (1) Remove the electric parts cover from the outdoor unit. (1 screw) (2) Connect the connecting cable to the terminals as identified with their respective matched numbers on the terminal block of indoor and outdoor units.
8-6. Others 8-6-3. Auto Restart Setting 8-6-1. Gas Leak Test This product is designed so that, after a power failure, it can restart automatically in the same operating mode as before the power failure. Flare nut connections (indoor unit) INFORMATION C The product was shipped with Auto Restart function in the off position. Turn it on as required. D * See detail in section 7-7.
9. TROUBLESHOOTING CHART TROUBLESHOOTING PROCEDURES : • Following details of “What to be pre-checked 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” later. 9-1. What to be Prechecked First 9-1-1. Power Supply Voltage The line voltage must be AC 220–240V (220V for RAS-07YKX-T, RAS-10YKX-T). If the line voltage is not within this range, this air conditioner may not work normally.
9-2. Primary Judgement of Trouble Sources 9-2-1. Role of Indoor Unit Controller The indoor unit controller receives the operation commands from the remote control and assumes the following functions. • Measurement of the draft air temperature of the indoor heat exchanger by using the thermo sensor (TA). • Louver motor control • Control of the indoor fan motor operation • Control of the LED display • Control of the outdoor unit compressor and the outdoor fan motor. 9-2-2.
(2) Self-diagnosis with remote control With the indoor unit control, self-diagnosis of protective circuit action can be done by turning the remote control operation into service mode, operating the remote control, observing the remote control indicators and checking whether TIMER lamp blinks (5 Hz). [ METHOD ] 1 Push the [CHK] button with a thin tip of pencil or others. The remote control display shows “ MODE TEMP. FAN AUTO AUTO COOL LOW DRY 2 Push “ ” key of TEMP. one by one.
9-3. Troubleshooting Flowcharts 9-3-1. Power can not be Turned on (No Operation at All) Operation (1) Is the supply voltage normal? (2) Is the connection to the AC output OK.? Check Items Main cause Shut off the power supply from AC outlet once and turn it on after 5 seconds.
9-3-2. Power can not be Turned on after Replacing Indoor P.C. Board Connect the AC Power supply NO Does the OPERATION lamp blink? Return the wiring of the power relay is returned to the normal procedure. NO Is it wired as shown in Figure below? YES YES To the paragraph of “No Power turns on”. Black White Blue Brown 3 4 C02 1 2 RY01 4 N L Indoor terminal block Power terminal block 3 PC board RY02 T02 9-3-3.
9-3-4. 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? NO See “Power can not be turned on”. YES Does the power turn on by pushing the [START/STOP] button of the remote control? NO See “Power can not be turned on”. YES Is the voltage across the indoor terminal ( 1 - 2 ) AC 220–240V (AC 220V)**? NO Relays (RY01, RY02) or IC31 or IC30 is failure. NO Correct cabling between indoor and outdoor units.
9-3-5. 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? NO See “Power can not be turned on”. YES Does the power turn on by pushing the [START/STOP] button of the remote control? NO See “Power can not be turned on”. YES Is the voltage across the indoor terminal ( 1 - 2 ) AC 220–240V (AC 220V)**? NO Relays (RY01, RY02) or IC31 or IC30 is failure. NO Correct cabling between indoor and outdoor units.
9-3-6. Only the Indoor Fan does not Operate < Check procedure > Shut off the power supply once. Turn the power supply. Does the fan stop in no operating status? NO Replace the P.C. board. Control P.C. board is defective. YES Start the operation with low fan setting in cool operation. Does the fan rotate? NO YES Does AC 120V or higher voltage apply to between red and black lead of fan motor? NO Replace the P.C. board.
9-4. How to Check the Remote Control (Including the Indoor P.C. Board) There is no beep from the indoor unit. The operation lamp of the air conditioner main unit does not light. Push the START/STOP button. Does the transmission indicator blink? NO YES Is there direct sunlight on the receptor of the air conditioner? Short-circuit the metal terminal at the side of the battery compartment (all-clear terminal) with a pencil.
9-4-1. How to Check the P.C. Board (2) Inspection procedures (1) Operating precautions 1) When removing the front panel or the P.C. board, be sure to shut off the power supply. 2) When removing the P.C. board, hold the edge of the P.C. board and do not apply force to the parts. 3) When connecting or disconnecting the connectors on the P.C. board, hold the whole housing. Do not pull at the lead wire. – 42 – 1) When a P.C.
(3) Checking procedure Table 9-4-1 No. Procedure 1 Shut off the power supply and remove the P.C. board assembly from the electronic parts base. Remove the connecting cable from the terminal block. 1. Is the fuse blown? 1. • Application of shock voltage. • Overload by short-circuit of the parts. 2 Remove the connector for the motor, and turn the power on. If the OPERATION lamp blinks (0.5 sec. : ON, 0.5 sec.
9-4-2. P.C.
Table 9-4-2 Approximate value of the sensor (thermistor) resistance (TA, TC) (= kΩ) Temperature Sensor Themo. Sensor 0°C 10°C 20°C 25°C 30°C 35,8 20,7 12,6 10,0 7,92 9-4-3. How to Reduce the Operation Time of the Anti-Restart Timer TEMP. (1) Set the operation mode, temperature, and air flow rate to be applied with the timer short mode. (2) Push the [CNL] button while keeping [CHK] button pushed. In this case, the check mode is released, and the timer short mode is waited.
10. PART REPLACEMENT 10-1. Indoor Unit No. Q Part name Front panel Procedure Remarks 1) After stopping the operation of the air conditioner, be sure to turn off the circuit breaker or disconnect the power plug from the AC wall socket. 2) Open the screw caps and remove the two screws fixing the front panel. 5 5 3) Close the screw caps as they were. 4) Open the horizontal louver right below by your finger.
No. Part name T Horizontal grille Procedure Remarks 1) Perform the process R. 2) Remove the screw fixing the louver motor, and Note: The horizontal remove the louver motor. grille can not be 3) Remove the shaft of the horizontal grille from the removed without drain-pan. removing the louver motor. Louver motor Horizontal grille U Heat exchanger Screw Hooks 1) Perform the process S. Pipe holder 2) Remove the pipe holder from the rear side of main unit by removing the screw.
10-3. Outdoor Unit No. Q Part name Common procedure Procedure Remarks 1) Stop the operation of air-conditioner, and disconnect the power cord from the AC supply. 2) Remove Electric parts cover. (2- ST1T Ø4 x 10 l) (1-ST1T Ø4 x 10 l : 07YA-ES & 10YA-ES only) Remove 7-ST1T Ø4 x 10 l 3) Remove the cord clamp (2- ST2T Ø4 x 12 l) and remove the connecting cable. 4) Remove the front cabinet. (7- ST1T Ø4 x 10 l with nylon washer) • Pull the front lower portion toward you, and remove it pulling out upward.
11. EXPLODED VIEWS AND PARTS LIST 11-1. Indoor Unit (1) RAS-07YK-E, RAS-07YK-ES, RAS-10YK-E, RAS-10YK-ES 405 404 402 406 413 403 412 402 Location No. 402 403 404 405 Part No. Description Location No. 43T60002 Base, Terminal 3P, AC 300V, 20A 43T69004 Sensor, Heat Exchanger 10kΩ, 25°C 43T69005 Sensor, Thermostat 10kΩ, 25°C 43T60061 Fuse Set, Thermal 77°C 406 406 412 413 – 50 – Part No. Description 43T69055 P.C. Board Assembly, MCC-798 (07YK-E, 07YK-ES) 43T69054 P.C.
RAS-07YKX, RAS-07YKX-T, RAS-10YKX, RAS-10YKX-T, RAS-11YKX, RAS-10YK-HX 406 405 404 402 413 403 412 408 Location No. 402 403 404 405 406 Part No. Description Location Part No. No. 43T60002 Base, Terminal 3P, AC 300V, 20A 43T69004 Sensor, Heat Exchanger 10kΩ, 25°C 43T69005 Sensor, Thermostat 10kΩ, 25°C 43T60301 Fuse Set, Thermal 77°C 43T69055 P.C. Board Assembly, MCC-798 (07YKX, 07YKX-T) 406 408 408 412 413 – 51 – Description 43T69054 P.C.
11-1. Indoor Unit (2) RAS-07YK-E, RAS-10YK-E, RAS-10YK-ES 233 230 228 240 231 222 229 221 215 211 201 214 210 202 216 232 217 223 227 220 206 207 212 209 208 224 218 219 213 Location No. Part No.
RAS-07YK-ES 233 230 228 240 231 222 229 221 215 211 201 214 210 202 216 232 217 223 227 220 206 207 212 209 208 224 218 219 213 Location No. Part No.
RAS-07YKX, RAS-07YKX-T, RAS-10YKX, RAS-10YKX-T, RAS-11YKX, RAS-10YK-HX 233 230 228 240 231 222 229 221 215 211 201 214 210 202 216 232 217 223 227 220 206 207 212 209 208 224 218 219 213 Location No. Part No.
11-2. Outdoor Unit RAS-07YA-E, RAS-10YA-E, RAS-10YA-HX 21 20 4 14 6 5 22 8, 9 16 3 13 2 10, 11 12 17 15, 23 18 19 7 : CAPILLARY TUBE 23 : NUT, FLAT WASHER (07YA-E) 24 : DRYER (10YA-E, 10YA-HX) 1 Location No. Part No.
RAS-10YA-ES 4 19 18 14 6 5 20 8, 9 16 3 13 2 10, 11 12 15, 22 17 7 : CAPILLARY TUBE 21 : DRYER 1 Location No. Part No. 1 2 3 4 5 6 7 8 9 10 11 43T19001 43T20001 43005037 43T43302 43062193 43005038 43T47007 43T46011 43T47021 43T46010 43T47020 Description Location Part No. No.
RAS-07YAX, RAS-07YAX-T, RAS-10YAX, RAS-10YAX-T, RAS-11YAX 20 21 4 22 14 6 5 8, 9 16 3 13 2 10, 11 12 17 15, 23 18 19 7 : CAPILLARY TUBE 24 : DRYER (10YAX, 10YAX-E, 11YAX) 1 Location No. Part No.
TOSHIBA CARRIER (THAILAND) CO., LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND.
