Инструкция на Мультисплит-системы Toshiba серии RAS .... (сервис-мануалы) бренда Toshiba

FILE NO. SVM-07034

SERVICE MANUAL SPLIT TYPE Indoor Unit <High Wall, Heat Pump Type> RAS-M10SKV-E RAS-M13SKV-E RAS-M16SKV-E <High Wall, Cooling Type> RAS-M10SKCV-E RAS-M13SKCV-E RAS-M16SKCV-E R410A July, 2007

1. SAFETY PRECAUTIONS

For general public use Power supply cord of outdoor unit shall be more than 1.5 mm2 (H07RN-F or 60245IEC66) polychloroprene sheathed flexible cord. • Read this “SAFETY PRECAUTIONS” carefully before servicing. • The precautions described below include the important items regarding safety. Observe…

• DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS. FAILURE

TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION. • TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD, PLACE THE UNIT WELL AWAY (MORE THAN 2 M) FROM HEAT SOURCES SUCH AS RADIATORS, HEAT REGISTORS, FURNACE, STOVES, ETC. • WHEN MOVING THE AIR-CONDITIONER FOR INSTALLATION…

2. Specifications

2-1. Combined Outdoor Unit The outdoor units, which can be combined with M∗∗ SKV-E series indoor unit are as described below: 2-2-1. Heatpump type Indoor unit model name Combined outdoor unit Outdoor unit type model name M16SKV-E 2-room Multi RAS-M14GAV-E X outdoor unit RAS-M18GAV-E 3-room Multi…

2−2. Specifications

Unit model Indoor Outdoor Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply Electric Indoor characteristic Outdoor COP(Cooling/Heating) Operating Indoor noise (Cooling/ Db(A) Heating) Outdoor Indoor unit Outdoor unit Piping connection Unit model Dimension…

Unit model

Indoor Outdoor Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply Electric Indoor characteristic Outdoor COP(Cooling/Heating) Operating Indoor noise (Cooling/ Db(A) Heating) Outdoor Indoor unit Outdoor unit Piping connection Unit model Dimension (mm) (kW)…

3. REFRIGERANT R410A

This air conditioner adopts the new refrigerant HFC (R410A) which does not damage the ozone layer. The working pressure of the new refrigerant R410A is 1.6 times higher than conventional refrigerant (R22). The refrigerating oil is also changed in accordance with change of refrigerant, so be careful…

Table 3-2-1 Thicknesses of annealed copper pipes

Thickness (mm) Nominal diameter Outer diameter (mm) R410A R22 1/4 6.35 0.80 0.80 3/8 9.52 0.80 0.80 1/2 12.70 0.80 0.80 5/8 15.88 1.00 1.00 2. Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to…

d) Flare Processing

Make certain that a clamp bar and copper pipe have been cleaned. By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conventional flare tool. Flare processing dimensions differ according to the type of flare tool. When using a conventional flare…

Table 3-2-6 Flare and flare nut dimensions for R22

Dimension (mm) Nominal diameter Outer diameter (mm) Thickness (mm) A B C D Flare nut width (mm) 1/4 6.35 0.8 9.0 9.2 6.5 13 17 3/8 9.52 0.8 13.0 13.5 9.7 20 22 1/2 12.70 0.8 16.2 16.0 12.9 20 24 5/8 15.88 1.0 19.7 19.0 16.0 23 27 3/4 19.05 1.0 23.3 24.0 19.2 34 36 45˚ 6˚ to 4 B A C 43˚ D to 4 5˚…

3-3. Tools

3-3-1. Required Tools The service port diameter of packed valve of the outdoor unit in the air-water heat pump 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…

3-4. 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…

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…

2. Characteristics required for flux

• Activated temperature of flux coincides with the brazing temperature. • Due to a wide effective temperature range, flux is hard to carbonize. • It is easy to remove slag after brazing. • The corrosive action to the treated metal and brazing filler is minimum. • It excels in coating performance and…

4. CONSTRUCTION VIEWS

RAS-M10SKV-E, RAS-M13SKV-E, RAS-M16SKV-E RAS-M10SKCV-E, RAS-M13SKCV-E, RAS-M16SKCV-E 790 Air inlet Air filter Heat exchanger Front panel Knock out system 49 Knock out system 62 480 Installation plate hanger Wireless remote controller Installation plate hanger Drain hose (0.50m) 84.5 235 215 Minimum…

5. WIRING DIAGRAM

6. SPECIFICATIONS OF ELECTRICAL PARTS

7. REFRIGERANT CYCLE DIAGRAM

INDOOR UNIT T1 Indoor heat exchanger Temp. measurement TCJ P Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Outer dia. : 9.52mm Thickness : 0.8mm TA Deoxidized copper pipe Outer dia. : 6.35mm Thickness : 0.8mm Sectional shape of heat insulator ∗1 : Refer…

8. CONTROL BLOCK DIAGRAM

8-1. Indoor Unit RAS-M10SKV-E, RAS-M13SKV-E, RAS-M16SKV-E Heat Exchanger Sensor (Tc) Indoor Unit Control Unit M.C.U. Heat Exchanger Sensor (Tcj) Louver Motor Functions • Cold draft preventing Function Room Temperature Sensor (Ta) • 3-minute Delay at Restart for Compressor Infrared Rays Signal…

Heat Exchanger Sensor (Tc) Indoor Unit Control Unit M.C.U. Heat Exchanger Sensor (Tcj) Louver Motor Functions • Cold draft preventing Function Room Temperature Sensor (Ta) • 3-minute Delay at Restart for Compressor Infrared Rays Signal Receiver and Indication • Fan Motor Starting Control…

9. OPERATION DESCRIPTION

9-1. Outline of Air Conditioner Control This air conditioner is a capacity-variable type air conditioner, which uses AC or DC motor for the indoor for motor and the outdoor fan motor. And the capacityproportional control compressor mounted. The DC motor drive circuit is mounted to the indoor unit.…

1. Basic

operation Description 1. Operation control Receiving the user’s operation condition setup, the operation statuses of indoor/outdoor units are controlled. 1) The operation conditions are selected by the remote controller as shown in the below. 2) A signal is sent by ON button of the remote…

1. Basic

operation Operation flow and applicable data, etc. Description 2. Operating mode selection when performing 2-room operation 1) The outdoor unit operation mode conforms to the instructions of the indoor unit that was pressed first. 2) When combined operation consisting of cooling (dry) and heating…

Description

1. Basic operation 4. AUTO operation Selection of operation mode As shown in the following figure, the operation starts by selecting automatically the status of room temperature (Ta) when starting AUTO operation. *1. When reselecting the operation mode, the fan speed is controlled by the previous…

2. Indoor fan

motor control <In cooling operation> (This operation controls the fan speed at indoor unit side.) The indoor fan (cross flow fan) is operated by the phasecontrol induction motor. The fan rotates in 5 stages in MANUAL mode, and in 5 stages in AUTO mode, respectively. (Table 1) Description COOL ON Fan…

2. Indoor fan

motor control Description <In heating operation> 1) When setting the fan speed to L, L+, M, M+ or H on the remote controller, the operation is performed with the constant speed shown in Fig. 3 and Table 1. 2) When setting the fan speed to AUTO on the remote controller, revolution of the fan motor is…

3. Capacity

control Operation flow and applicable data, etc. Description The cooling or heating capacity depending on the load is adjusted. According to difference between the setup value of temperature and the room temperature, the capacity is adjusted by the compressor revolution. 1) The difference between…

Indoor heat exchanger temperature

4. Release protective <In cooling/dry operation> control by tempera- (Prevent-freezing control for indoor heat exchanger) ture of indoor heat In cooling/dry operation, the sensor of indoor heat exchanger exchanger detects evaporation temperature and controls the compressor speed so that temperature…

Description

5. Louver control This function controls the air direction of the indoor unit. 1) Louver • The position is automatically controlled according to the operation position mode (COOL/HEAT). • The set louver position is stored in memory by the microcomputer, and the louver returns to the stored position…

6. ECO

operation Operation flow and applicable data, etc. Description When pressing [ECO] button on the remote controller, a Economic operation is performed. <Cooling operation> <Cooling operation> This function operates the air conditioner with the difference between the set and the room temperature as…

Description

7. Temporary operation Pressing [RESET] button starts the temporary operation of [AUTO] operation. When keeping [RESET] button pressed for 10 seconds or more, the temporary [COOL] operation is performed. 1) When pressing [RESET] button, the temporary [AUTO] operation starts. 2) When keeping [RESET]…

Description

Operation flow and applicable data, etc. 8. Self-Cleaning function Unit now performing cooling or dry operation Press “STOP” button Only timer indicator lights, and Self Cleaning operation starts 1. Purpose The Self-Cleaning operation is to minimize the growth of mold, bacteria etc. by running the…

Description

• Self-Cleaning diagram 8. Self-Cleaning function Operation display ON OFF OFF FCU fan ON rpm is depend on presetting. ON (500RPM) OFF FCU louver OPEN OPEN (12.7º) CLOSE Timer display ON or OFF depend on presetting of timer function. ON ON or OFF depend on presetting of timer function. Compressor ON…

selection Operation flow and applicable data, etc. Setting the remote controller To separate using of remote control for each indoor unit in case of 2 air conditioner are installed nearly. Remote Control B Setup. 1) Press RESET button on the indoor unit to turn the air conditioner ON. 2) Point the…

11. QUIET mode

Description Operation flow and applicable data, etc. When the [QUIET] button is pressed, the fan of the indoor unit will be restricted the revolving speed at speed L − until the [QUIET] button is pressed once again (cancel Quiet mode). Quiet mode is the system which, control the revolving speed of…

14. One-Touch

Comfort Operation flow and applicable data, etc. One touch comfort is the fully automated operation that is set according to the preferable condition in a region. 0 * AUTO/L 12 L 25 Operation condition for model to Europe market When an indoor unit receives "One Touch Comfort Signal" from the remote…

9-3. Auto Restart Function

This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down. The operation will resume without warning three minutes after power is restored. This function…

9-3-2. How to Cancel the Auto Restart Function

To cancel auto restart function, proceed as follows : Repeat the setting procedure : the unit receives the signal and beeps three times. The unit will be required to be turned on with the remote controller after the main power supply is turned off. • When the system is on stand-by (not operating)…

9-4. Remote control

9-4-1. Remote control and its functions Infrared signal emitter Start/Stop button Mode select button (MODE) Temperature button (TEMP) Fan speed button (FAN Swing louver button (SWING) Set louver button (FIX) On timer button (ON) Off timer button (OFF) Sleep timer button (SLEEP) Setup button (SET)…

4. DRY OPERATION (COOLING ONLY)

For dehumidification, a moderate cooling performance is controlled automatically. 1. Press MODE : Select Dry . 2. Press MODE : Set the desired temperature. 5. Hi-POWER OPERATION To automatically control room temperature and airflow for faster cooling or heating operation (except in DRY and FAN ONLY…

9. PRESET OPERATION

Set your preferred operation for future use. The setting will be memorized by the unit for future operation (except air flow direction). 1. Select your preferred operation. 2. Press and hold PRESET for 3 seconds to memorize the setting. The P mark displays. 3. Press PRESET : Operate the preset…

9-4-3. Name and Functions of Indications on Remote Controller

[Display] All indications, except for the clock time indicator, are displayed by pressing the 1 Transmission mark button. 5 TIMER and clock time indicator This transmission mark indicates when the remote controller transmits signals to the indoor unit. The time setting for timer operation or the…

9-5. Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo-off

Side in Heating Operation While heating operation is executed in two rooms, if room temperature reached the setup temperature in one room and thermo-off occurred, the following operations start. (Refer to the figure belox.) 1. The indoor unit of the room (A room) in which thermo-off did not occur…

10. INSTALLATION PROCEDURE

10-1. Installation Diagram of Indoor and Outdoor Units Before installing the wireless remote controller A C L • Loading Batteries 1. Remove the battery cover. 2. Insert 2 new batteries (AAA type) following the (+) and (− ) positions. 3 Batteries 2 Wireless remote controller – 47 –

10-2. Optional Parts, Accessories and Tools

10-2-1. Optional Installation Parts Part Code Parts name Q’ty Refrigerant piping Indoor unit name Y Liquid side (Outer diameter) Gas side (Outer diameter) RAS-M10SKV-E, M10SKCV-E RAS-M13SKV-E, M13SKCV-E 6.35 mm 9.52 mm RAS-M16SKV-E, M16SKCV-E 6.35 mm 12.7 mm 1 ea. Shield pipe (for extension drain…

10-2-3. Installation/Servicing Tools

Changes in the product and components In the case of an air conditioner using R410A, in order to prevent any other refrigerant from being charged accidentally, the service port diameter of the outdoor unit control valve (3 way valve) has been changed. (1/2 UNF 20 threads per inch) • In order to…

10-3-2. Drilling a Hole and Mounting Installation Plate

10-3. Indoor Unit 10-3-1. Installation Place • A place which provides enough spaces around the indoor unit as shown in the diagram. • A place where there are no obstacle near the air inlet and outlet. • A place which allows easy installation of the piping to the outdoor unit. • A place which allows…

When the installation plate is directly

mounted on the wall 1. Securely fit the installation plate onto the wall by screws with the upper and lower catches, that hold the indoor unit, facing out. 2. To mount the installation plate on a concrete wall use anchor bolts. Drill the anchor bolt holes as illustrated in the above figure. 3.…

10-3-5. Piping and Drain Hose Installation

CAUTION Piping and drain hose forming • Be sure to refer to the wiring system diagram labeled inside the front panel. • Check local electrical regulations for any specific wiring instructions or limitations. • Since condensation results in machine trouble, make sure to insulate both the connecting…

How to attach the drain cap

In case of bottom right or bottom left piping 1. Insert hexagonal wrench (4 mm). • After making slits on the front panel with a knife or similar tool, cut them out with a pair of nippers or an equivalent tool. Slit Fig. 10-3-16 4 mm Fig. 10-3-13 Left-hand connection with piping 2. Firmly insert…

10-3-7. Drainage

CAUTION 1. Run the drain hose at a downward sloped angle. • Bind the auxiliary pipes (two) and connecting cable with facing tape tightly. In case of leftward piping and rear-leftward piping, bind the auxiliary pipes (two) only with facing tape. NOTE : • Hole should be made at a slight downward slant…

11. HOW TO DIAGNOSE THE TROUBLE

11-1. First Confirmation 11-1-1. Confirmation of Power Supply Confirm that the power breaker operates (ON) normally. 11-1-2. Confirmation of Power Voltage Confirm that power voltage is AC 220–230–240 ± 10%. If power voltage is not in this range, the unit may not operate normally. 11-1-3. Operation…

11-2. Primary Judgment

To diagnose the troubles, use the following methods. 1) Judgment by flashing LED of indoor unit 2) Self-diagnosis by service check remote controller 3) Judgment of trouble by every symptom Firstly use the method 1) for diagnosis. Then, use the method 2) or 3) to diagnose the details of troubles.…

11-4. Self-Diagnosis by Remote Controller (Check Code)

1. If the lamps are indicated as shown B to E in Table 11-3-1, execute the self-diagnosis by the remote controller. 2. When the remote controller is set to the service mode, the indoor controller diagnoses the operation condition and indicates the information of the self-diagnosis on the display of…

11-4-2. Caution at Servicing

1. After servicing, press 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…

Block distinction

Check code Block Operation of diagnosis function Check code Air conditioner status Cause of operation Remarks Judgment and action Inverter over-current protective circuit operates. (Short time) All off Displayed when error is detected. Even if trying operation again, all operations stop immediately.…

11-5. Judgment of Trouble by Every Symptom

11-5-1. Indoor Unit (Including Remote Controller) (1) Power is not turned on (Does not operate entirely) <Primary check> 1. Is the supply voltage normal? 2. Is the normal voltage provided to the outdoor unit? 3. Is the crossover cable connected properly? 4. Is the fuse (F01) blown? Operation (…

Operation

Check Item Considerable principle cause Turn off power supply once, and 5 second later, turn it on again. Measures NO Item by symptoms Is OPERATION indicator flashing? YES Is it possible to turn on power supply by pushing [START/STOP] button on remote controller? YES NO Does transmission mark on…

(3) Only the indoor motor fan does not operate

<Primary check> 1. Is it possible to detect the power supply voltage (AC220–240V) between Q and R 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 10 minutes after it is turned on, to…

Turn off power

supply once, and turn it on again. Does fan motor continue to operate? Is it possible to detect YES DC 1V or more between NO 5 + and 3 – of Peplace indoor fan motor. motor connector (CN31). NO YES Start to operate indoor unit in cooling operation at airflow level “LOW”. Does indoor fan operate? NO…

(4) Indoor fan motor automatically starts to rotate by turning on power supply

(For DC fan motor in RAS-M16SKV-E, RAS-M16SKCV-E) <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.…

<Inspection procedure> 1. Remove the front panel. (Remove 2 screws.) 2. Remove the cover of the fan motor lead wires. 3. Check AC voltage with CN31 connector while the fan motor is rotating. NOTE : • Using a tester, measure the resistance value of each winding coil. • Use a thin test rod.…

(5) Troubleshooting for remote controller

<Primary check> Check that A or B selected on the main unit is matched with A or B selected on the remote controller. The unit does not beep at all. Push the START/STOP button. Operation lamp on indoor unit is not indicated. NO Is transmission mark indicated? YES Is receiver on indoor unit exposed…

11-5-2. Wiring Failure (Interconnecting and Serial Signal Wire)

(1) Outdoor unit does not operate 1) Is the voltage between R and S of the indoor terminal block varied? Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram. NOTE: • Measurement should be performed 2 minutes and 30 seconds after starting…

11-9. How to Check Simply the Main Parts

11-9-1. How to Check the P.C. Board (Indoor Unit) (1) Operating precautions 1) When removing the front panel or the P.C. board, be sure to shut off the power supply breaker. 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…

(3) Check procedures

( RAS-M10,13 Series ) Table 11-9-1 No. Procedure Check points 1 Turn off the power supply breaker and remove the P.C. board assembly from electronic parts base. Remove the connecting cables from the terminal block. Check whether or not the fuse (F01) is blown. Impulse voltage was applied or the…

Table 11-9-1

No. Procedure Check points 1 Turn off the power supply breaker and remove the P.C. board assembly from electronic parts base. Remove the connecting cables from the terminal block. Check whether or not the fuse (F01) is blown. Impulse voltage was applied or the indoor fan motor short-circuited. 2…

( RAS-M10, 13 Series ) +5V +12V [1] Sensor characteristic table 100 Resistance value (k ) TA, TC, TCJ 30 TA : Room temp. sensor TC : Heat exchanger temp. sensor TCJ : Heat exchanger temp. sensor Temperature (˚C) – 71 –

GND

+12V +5V [1] Sensor characteristic table 100 Resistance value (k ) TA, TC, TCJ Temperature (˚C) – 92 – TA : Room temp. sensor TC : Heat exchanger temp. sensor TCJ : Heat exchanger temp. sensor

11-9-3. Indoor Unit (Other Parts)

No. Part name 1 Room temp. (TA) sensor Heat exchanger (TC, TCJ) sensor Checking procedure Disconnect the connector and measure the resistance value with tester. (Normal temp.) Temperature Sensor TCJ, TA, TC (kΩ) 10°C 20°C 25°C 30°C 40°C 20.7 12.6 10.0 7.9 4.5 2 Remote controller Refer to 11-5-1.…

12. HOW TO REPLACE THE MAIN PARTS

WARNING • Since high voltages pass through the electrical parts, turn off the power without fail before proceeding with the repairs. Electric shocks may occur if the power plug is not disconnected. • After the repairs have been completed (after the front panel and cabinet have been installed)…

Front panel Procedures Remarks 5) Remove the front panel fixing screws. (2 pcs.) 6) Take off three hooks of panel from rear side. 2 Screws Three hooks <How to assemble the front panel> 1) Press three center positions and two lower center positions of the air outlet, and then hang the hanging hooks…

Procedures

k Electric parts box assembly 1) Follow the procedure up to 3) in above. 2) Remove screw of earth lead attached to the end plate of the evaporator. 3) Remove the lead wire cover, and remove connector for the fan motor and connector for the louver motor from the electric parts box assembly. 4) Pull…

Procedures

Remarks l Horizontal louver 1) Remove shaft of the horizontal louver from the back body. (First remove the left shaft, and then remove other shafts while sliding the horizontal louver leftward.) m Evaporator (Heat exchanger) 1) Follow to the procedure in the item k . 2) Remove the pipe holder from…

n

Part name Bearing Procedures Remarks 1) Follow to the procedure in the item m. 2) Remove the two screws used to secure the bearing base. Two screws 3) Remove the bearing base. <Caution at assembling> • If the bearing is out from the housing, push it into the specified position and then incorporate…

o

Part name Fan motor Procedures Remarks 1) Follow to the procedure till item m. 2) Loosen the set screw of the cross flow fan. 3) Remove two fixing screws of the motor cover and them remove the motor cover. 4) Remove two more fixing screws of the motor band and remove the motor band. Set screw Motor…

Procedures

p Cross flow fan <Caution at reassembling> 1) To incorporate the fan motor, remove the fan motor rubber (at shaft core side), incorporate the motor into the position in the following figure, and then install the fan motor. • Install the cross flow fan so that the right end of the 1st joint from the…

12-2. Microcomputer

No. Part name Common procedure Procedure Remarks 1) Turn the power supply off to stop the operation of air-conditioner. 2) Remove the front panel. • Remove the 2 fixing screws. 3) Remove the electrical part base. Replace terminal block, microcomputer ass’y and the P.C. board ass’y. <P.C. board…

R05

13. EXPLODED VIEWS AND PARTS LIST

13-1. Indoor Unit (1) Location No. Part No. 201 202 43T21397 43T21371 202 43T21393 43T22312 43T70313 43T20325 43T11301 206 43T11320 43T83003 43T60382 43T82310 43T19333 43T09408 43T03360 Description Location No. Part No. 43T39327 43T39328 43T39329 43T09409 43T79313 43T44409 219 43T44410 43T00488…

Indoor Unit (2)

(THAILAND) CO.,LTD

144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND.

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