1. SPECIFICATIONS RAS-10YKH-E / RAS-10YAH-E, RAS-13YKH-E / RAS-13YAH-E MODEL RAS-10YKH-E/10YAH-E RAS-13YKH-E/13YAH-E ITEM Cooling Heating Cooling Heating 220V–240V 220V–240V 220V–240V 220V–240V Capacity 2,65–2,70 3,00–3,10 3,45–3,50 4,00–4,10 Phase Single Power source 220–240 Power consumption 0,98–1,02 0,89–0,91 1,26–1,30 1,19–1,27 Power factor 95–90 95–88 98–92...
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RAS-10YKH-ES / RAS-10YAH-ES, RAS-13YKH-ES / RAS-13YAH-ES RAS-10YKH-ES/10YAH-ES RAS-13YKH-ES/13YAH-ES MODEL ITEM Cooling Heating Cooling Heating 220V–240V Capacity 2,65–2,70 3,00–3,10 3,45–3,50 4,00–4,10 Phase Single Power source 220–240 Power consumption 0,98–1,02 0,89–0,91 1,26–1,30 1,19–1,27 Power factor 95–90 95–88 98–94 97–93 220V–240V Running current Indoor/Outdoor 0,11/4,44 - 0,11/4,46 0,11/4,15 - 0,11/4,10 0,15/5,70 - 0,15/5,61 0,15/5,43 - 0,15/5,54 Starting current...
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6 °C Notes : CHARGELESS RAS-10YKH-E, RAS-10YKH-ES • 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. Indoor Unit Heat exchanger Air inlet Air filter Air outlet Knock out system Front panel Back body Hanger Drain hose (0,54m) Hanger Knock out system Connecting pipe (0,39m) Connecting pipe (0,49m) (Flare Ø9,52) (Flare Ø6,35) (Flare Ø12,7 for 13YKH-E only) 65,5 65,5 Hanger...
Liquid side (flare Ø6,35) Ø6 Hole Ø11x14 Hole 8-Ø6 Holes (For fixing the outdoor unit) Handle 4-Ø11x14 Long holes (For anchor bolt Ø8-Ø10) Fan guard Ø420 TOSHIBA Electric parts cover Service port View Inlet port 600 or more Inlet port 100 or more...
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RAS-13YAH-E, RAS-13YAH-ES Detail Drawing Gas side (Flare Ø12,7 for 13YAH-E, Flare Ø9,52 for 13YAH-ES) Liquid side (Flare Ø6,35) Ø6 hole Ø11x14 hole 8-Ø6 hole(for fixing outdoor unit) Ø25 Drain outlet 6-Ø11x14 hole (for Ø8-Ø10 anchor bolt) Handle Fan guard Electric parts cover Ø420 Service port...
4. SPECIFICATIONS OF ELECTRICAL PARTS 4-1. Indoor Unit RAS-10YKH-E, RAS-10YKH-ES RAS-13YKH-E, RAS-13YKH-ES PARTS NAME TYPE SPECIFICATIONS Output (Rated) 20W, 6poles, 1phase, 220–240V, 50Hz Fan motor (for indoor) MMF-240-20-4A Red-Black White-Black Winding resistance (W) (at 20°C) 220,8 324,3 10k W at 25°C Thermo.
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4-2. Outdoor Unit RAS-10YAH-E, RAS-10YAH-ES RAS-13YAH-E, RAS-13YAH-ES PARTS NAME MODELS TYPE SPECIFICATIONS Output (Rated) 750W, 2poles, 1phase, 220–240V, 50Hz RAS-10YAH-E PH120T1-4C Winding resistance ( W ) (at 20°C) 4,53 8,73 Output (Rated) 1100W, 2poles, 1phase, 220–240V, 50Hz RAS-13YAH-E PH170T2-4L2 Winding resistance (W) (at 20°C) 2,22 3,04...
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RAS-13YKH-ES / RAS-13YAH-ES (Note) Indoor unit Maximum pipe length is 15m Maximum pipe head is 6m Heat exchanger Cooling 0,49m 0,39m (Connecting pipe) (Connecting pipe) ø9,52 ø6,35 Cross flow fan O.D.:9,52mm O.D.:6,35mm Packed valve Packed valve (ø9,52) (ø6,35) Gas container connection (Reinstall etc.) Heating Cooling 4-way valve...
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Main Unit Control Panel C. P. U Operation Functions Heat Exchanger Sensor Display Thermo. Sensor • Louver Control Timer Display Current Sensor • 3-minutes Delay at Restart for Compressor (Compressor Current) ECONO. Sign Display Infrared Rays Signal Receiver Infrared Initializing Circuit •...
2) When the FAN is set to LOW, MED, or HIGH, the indoor fan motor operates with a constant in volume as listed in Table 7-1-1. HIGH Air volume (m /hr) Indication of RAS-10YKH-E RAS13-YKH-E FAN SPEED RAS-10YKH-ES RAS13-YKH-ES AUTO Manual...
7-2-1. Louver Control 7-4. HEAT Operation (1) By pushing the SET button of the remote control (MODE of the remote control : HEAT) during the operation, the louver can be set to the (1) Relays compressor 4-way valve, outdoor fan and desired position.
Fig. 7-5-1. tected by the indoor heat-exchanger sensor is 20°C or below, the indoor fan stops and if the temperature rises to 25°C (RAS-10YKH-E, RAS- 10YKH-ES), 35°C (RAS-13YKH-E, RAS-13YKH- ES) or above, the fan is restarted. The details are in 7-10.
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(C.T). (1) In the ECONO. mode, the set temp. by the remote control is changed automatically as shown in Fig. 7-6-1. RAS-10YKH-E, RAS-13YKH-E (2) Fan speed → LOW RAS-10YKH-ES, RAS-13YKH-ES Compressor Outdoor fan (˚C)
Control is performed as shown in Fig. 7-8-1. Control is performed as shown in Fig. 7-10-1 and 7-10-2. Heat exchanger temperature RAS-10YKH-E, RAS-10YKH-ES Compressor, (˚C) Outdoor fan Heat exchanger temperature (˚C)
7-11. Defrost Operation 7-11-2. Defrost Operation Time Control <In case of B> During the heating operation, the outdoor heat (1) The heating operation is performed for at least 40 exchanger temperature goes down and sometimes it minutes. is frozen. (2) The maximum defrost operation time is 6 min- In this case, the air conditioner stops the heating utes.
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7-12. Auto Restart Function 7-12-1. How to Set the Auto Restart 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 right hand corner beneath the hinged front panel of the set operating conditions in the event of a power the indoor unit (please refer to section on PARTS...
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7-12-2. How to Cancel the Auto Restart The system will now be required to manually restart with the remote control after the main supply is To cancel the Auto Restart function, proceed as turned off. follows: Cancellation is carried out: Repeat the setting procedure: the unit will acknowl- edge the instruction and bleep three times.
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.
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And make sure the equipment to be earthed. • Appliance shall be installed in accordance with national wiring requlations. If you detect any damage, do not install the unit. Contact your Toshiba dealer immediately. CAUTION • Exposure of unit to water or other moisture before installation will result in an electrical short.
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 left and left piping Clip anchor Wall Hook Hook Front cabinet 1 Installation Insert the cushion between plate Front panel the indoor unit and wall,...
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8-3. Installation • Secure the outdoor unit with the anchor bolts if the unit is likely to be exposed to a strong wind. 8-3-1. Optional Parts • Use ø8 or ø10 anchor bolts. • If it is necessary to drain the defrost water from the Part Parts name Q’ty...
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8-3-2. Installation Parts Parts with an asterisk ( ) are packaged with the outdoor unit. Name of parts Name of parts Name of parts Part Part Part Q'ty Q'ty Q'ty Installation plate x 1 Mounting screw ø4x 25 x 6 Drain nipple Deodorizing filter x 1 Remote control holder x 1...
8-4. Indoor Unit 8-4-1. Cutting a Hole and Mounting Installation Plate K Installation place <Cutting a hole> • A place which provides the spaces around the When installing the refrigerant pipes from the rear. indoor unit as shown in the diagram in section 8-2. •...
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An approved power supply cord and plug must be used. NOTE : 4 Mounting screw Ø4 x 25 • Perform wiring works so as to allow a generous wiring capacity. Fig. 8-4-4 RAS-10YKH-E RAS-13YKH-E MODEL RAS-10YKH-ES RAS-13YKH-ES Power source 50Hz 220–240V...
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8-4-3. Wiring Connection Taking out the power cord WARNING To plug the cable in the plug receptacle, take the following precaution. Slitted portion THIS APPLIANCE MUST BE EARTHED. IMPORTANT • Cut off the slitted portion in the side face of the rear panel to take out the power cord.
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<How to connect the connecting cable> <How to install the front cabinet on the indoor unit> Wiring of the connecting cable can be carried out Install the front cabinet through the opposite order of without removing of the front panel. “How to remove the front cabinet”.
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<Left-hand connection with piping> 8-4-5. Indoor Unit Installation Bend the connecting pipe so that it is laid within 43 (1) Pass the pipe through the hole in the wall, and mm above the wall surface. If the connecting pipe is hook the indoor unit on the installation plate at laid exceeding 43 mm above the wall surface, the the upper hooks.
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Fig. 8-4-17 • An allowable length of the connecting pipe is up to : RAS-10YKH-E, RAS-10YKH-ES : 10 m (2) Put water in the drain pan and make sure that the RAS-13YKH-E, RAS-13YKH-ES : 15 m water is drained outdoors.
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8-5-2. Refrigerant Piping Connection CAUTION <Flaring> (1) Cut the pipe with a pipe cutter. Installation in the following places may result in trouble. Do not install the unit in such places. • A place full of machine oil. • A saline place such as coast. Obliquity Roughness Warp...
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8-5-3. Vacuum Pumping Manifold valve High pressure Pressure gage side handle INFORMATION Low pressure side handle In order to prevent any other refrigerant from being Charge hose (A) charged accidentally, each port of the manifold has Outdoor unit been changed in shape. Charge Indoor unit hose (B)
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8-5-4. Wiring Connection 8-6. Others (1) Remove the electric parts cover from the outdoor 8-6-1. Gas Leak Test unit. Flare nut connections (indoor unit) (2) Connect the connecting cable to the terminals as identified with their respective matched numbers on the terminal block of indoor and outdoor units. (Strip the sheath of connecting cable with follow- ing stripping length to and insert into the terminal block.)
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”...
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). •...
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(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 ] Push the [CHK] button with a thin tip of pencil or others.
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Table 9-2-3 Block level Diagnosis function Judgment and action Check Check Conditioner Block Symptom Condition code code status 1.Check thermo. sensor. Indoor Thermo. sensor Continued Indicated when P .C. board short/break. operation detected abnormal 2.If it is OK, check P .C. board. Heat exchanger Continued Indicated when...
9-3. Troubleshooting Flowcharts 9-3-1. Power can not be Turned on (No Operation at All) <Preliminary checks> Operation (1) Is the supply voltage normal? Check Items (2) Is the connection to the AC output OK.? Main cause Shut off the power supply from AC outlet once and Countermeasure turn it on after 5 seconds.
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9-3-2. 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.
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9-3-3. Outdoor Unit 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”.
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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? See “Power can not be turned on”. Does the power turn on by See “Power can not be turned on”.
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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? See “Power can not be turned on”. Does the power turn on by See “Power can not be turned on”.
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9-3-6. Only 4-Way Valve does not Operate (During Heating Operation) 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".
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9-3-7. Only the Indoor Fan does not Operate < Check procedure > Shut off the power supply once. Turn the power supply. Does the fan stop in Replace the P.C. board. Control P.C. board is defective. no operating status? Start the operation with low fan setting in cool operation.
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9-4. How to Check the Remote Control (Including the Indoor P.C. Board) There is no beep from the indoor unit. Push the START/STOP button. The operation lamp of 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...
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9-4-1. 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.
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(3) Checking procedure Table 9-4-1 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 from • Overload by short-circuit of the parts. the electronic parts base.
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Table 9-4-2 Approximate value of the sensor (thermistor) resistance (TA, TC) (= kΩ) Temperature 0°C 10°C 20°C 25°C 30°C Sensor Themo. Sensor 35,8 20,7 12,6 10,0 7,92 9-4-3. How to Reduce the Operation Time of TEMP. the Anti-Restart Timer (1) Set the operation mode, temperature, and air START/STOP flow rate to be applied with the timer short mode.
10. PART REPLACEMENT 10-1. Indoor Unit RAS-10YKH-E, RAS-10YKH-ES, RAS-13YKH-E, RAS-13YKH-ES Part name Procedure Remarks Front panel 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.
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Part name Procedure Remarks Horizontal grille 1) Perform the process Note: 2) Remove the screw fixing the louver motor, and The horizontal remove the louver motor. Louver motor grille can not be 3) Remove the shaft of the horizontal grille from the removed without drain-pan.
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10-2. Microcomputer RAS-10YKH-E, RAS-10YKH-ES, RAS-13YKH-E, RAS-13YKH-ES Part name Procedure Remarks Common 1) Turn the power supply off to stop the operation of air- Replace the thermal fuse, terminal procedure conditioner, and disconnect the power cord from the AC block, power cord, microcomputer ass’y supply.
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10-3. Outdoor Unit RAS-10YAH-E, RAS-10YAH-ES Part name Procedure Remarks Common 1) Stop the operation of air-conditioner, and disconnect procedure the power cord from the AC supply. 2) Remove Electric parts cover. Remove (1- ST1T Ø4 x 10 l) 7-ST1T ´ 3) Remove the cord clamp (2- ST2T Ø4 x 12 l) and remove the connecting cable.
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RAS-13YAH-E, RAS-13YAH-ES Part name Procedure Remarks Common 1) Stop the operation of air-conditioner, and disconnect procedure the power cord from the AC supply. Remove 2) Remove E-parts cover. (2- ST1T Ø4 x 10 l) 7-ST1T ´ 3) Remove the cord clamp (2- ST2T Ø4 x 12 l) and remove the connecting cable.