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

FILE NO. A06-013

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 RESISTORS, FURNACE, STOVES, ETC. • WHEN MOVING THE AIR-CONDITIONER FOR INSTALLATION…

2. SPECIFICATIONS

The indoor and outdoor units that can be used in combination are shown in the tables below. Table of models that can be connected Type Outdoor unit Heat pump Indoor unit RAS-B10SKVP–E RAS-B13SKVP–E RAS-B16SKVP–E RAS-M10SKV–E RAS-M13SKV–E RAS-M16SKV–E RAS-M10GDV–E RAS-M13GDV–E RAS-M16GDV–E…

2-1. Specifications

<Heat Pump Models> RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E / RAS-3M18SAV-E Unit model Indoor Outdoor Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply Indoor Electric characteristics Outdoor RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E RAS-3M18SAV-E 5.2…

<Cooling Only Models>

RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E / RAS-3M18SACV-E Unit model Indoor Outdoor Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply Indoor Electric characteristics Outdoor (kW) (kW) (kW) (kW) Unit model Running current Power consumption Power factor…

2-2. Specifications of Performance When Each Indoor Unit is Combined with Other Unit

<Heating>

Outdoor Unit : RAS-3M18SACV-E

2-2-1. Operation Characteristic Curve

<Cooling> RAS3M18SAV-E, RAS-3M18SACV-E <Heating> RAS-3M18SAV-E 230V 220V • Conditions Indoor : DB20˚C/WB15˚C Outdoor : DB7˚C/WB6˚C Indoor air flow : High Pipe length : 5m × 3 3 units operating 10 Current (A) 9 Current (A) 220V • Conditions Indoor : DB27˚C/WB19˚C Outdoor : DB35˚C/WB24˚C Indoor air…

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…

3-5-3. Brazing

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. •…

4. CONSTRUCTION VIEWS

4-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E 790 Plasma pure filter Indoor heat exchanger 790 Air filter 51.5 250 Front panel 65 Knockout system Knockout system 54.5 74.5 54.5 5 125.5 Remote controller holder Installation plate hanging…

4-2. Outdoor Unit

5. WIRING DIAGRAM

5-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E (Heat pump models) RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E (Cooling only models) To outdoor unit Air Purifier Electrode BRW 4 4 BRW 3 3 High-voltage BRW 2 2 Power Supply RED 1 1 Indoor Terminal Block BLK BLK WHI Heat Exchanger CN63…

5-2. Outdoor Unit

6. SPECIFICATIONS OF ELECTRICAL PARTS

7. REFRIGERANT CYCLE DIAGRAM

7-1. Indoor Unit, Outdoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E / RAS-3M18SAV-E INDOOR UNIT A To To C room B room T1 Temp. measurement To To C room B room Indoor heat exchanger Connecting pipe Thickness : 0.8 mm 6.35 Pressure measurement Gauge attaching port Vacuum pump connecting port…

INDOOR UNIT A To To C room B room Indoor heat exchanger T1 Temp. measurement To To C room B room Connecting pipe Thickness : 0.8 mm 6.35 Pressure measurement Gauge attaching port Vacuum pump connecting port Allowable pipe length Connecting pipe Thickness : 0.8 mm 9.52 : RAS-M10SKCVP-E RAS-M13SKCVP-E…

7-2. Operation Data

Outdoor Unit : RAS-3M18SAV-E <Cooling> Temperature condition Indoor Outdoor No. of operating units 1 unit 2 units 27 /19°C 35 / –°C 3 units Operating combination (Unit) A B C 10 – – 13 – 16 Standard pressure P (MPa) Heat exchanger pipe temp. Indoor fan (Manual) Outdoor fan Compressor revolution…

Outdoor Unit : RAS-3M18SACV-E

8. CONTROL BLOCK DIAGRAM

8-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E Indoor Unit Control Unit M.C.U. Heat Exchanger Sensor (Tc) 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…

Indoor Unit Control Unit M.C.U. Heat Exchanger Sensor (Tc) Room Temperature Sensor (Ta) Infrared Rays Signal Receiver and Indication Initializing Circuit Clock Frequency Oscillator Circuit Louver Motor Functions • 3-minute Delay at Restart for Compressor • Fan Motor Starting Control Louver Motor…

8-2. Outdoor Unit (Inverter Assembly)

RAS-3M18SAV-E, RAS-3M18SACV-E Outdoor air temp. Sensor Gas side pipe temp. Sensor Suction temp. Sensor *1 Evaporator temp. Sensor Discharge temp. Sensor MCC-818 (SUB-P.C. B) A unit P.M.V. M.C.U • Inverter outdoor frequency control B unit P.M.V. • A/D converter function Driver circuit of P.M.V. •…

9. OPERATION DESCRIPTION

• Detection of inverter input current and current release operation • Over-current detection and prevention operation to IGBT module (Compressor stop function) • Compressor and outdoor fan stop function when serial signal is off (when the serial signal does not reach the board assembly of outdoor…

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 operating 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) Detects the room temperature (Ta) when the operation started. 2) Selects an…

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 UH H M+ M…

2. Indoor fan

motor control Description <In heating operation> (Heat pump model) 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…

Description

3. Outdoor fan motor control The blowing air volume at the outdoor unit side is controlled. Receiving the operation command from the controller of indoor unit, the controller of outdoor unit controls fan speed. * A DC motor is used for the outdoor fan and the fan is controlled with 10 stages. 1) The…

3. Outdoor fan

motor control Operation flow and applicable data, etc. Description <Heating operation> Basically, the fan speed is decided by the compressor speed and the outdoor temperature. The fan speed is controlled between MIN. and MAX. as shown in the table below. 1) In the following cases, the outdoor fan is…

5. Current release

control Operation flow and applicable data, etc. Description This function prevents troubles on the electronic parts of the compressor driving inverter. This function also controls drive circuit of the compressor speed so that electric power of the compressor drive circuit does not exceed the…

When the outdoor temperature is low, the windings/

coils are heated to ensure compressor reliability. Outdoor temperature 7. Winding/Coil heating control 8. Defrost control (Only in heating operation) Winding/Coil heating amount To 6˚C OFF Outdoor heat exchanger temperature Winding/Coil heating is performed when the following conditions are met.…

9. Louver control

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

10. SLEEP

MODE operation When pushing [SLEEP MODE] button on the remote controller, a quiet and mild operation is performed by reducing the fan speed and the compressor speed. <Cooling operation> This function operates the air conditioner with the difference between the set and the room temperature (Tsc and…

11. Temporary

operation Description 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. YES Filter lamp ON Press RESET button. NO NO Did you press [RESET] button for 3 to 9 seconds?…

1. Purpose

The air purifying control function is to alert the user to trouble in the ionizing or air purifying operation. 12. Air purifying control [Detection of abnormality] Air purifying operation 2. Description Trouble is determined to have occurred (indicated by the FILTER indicator) in the following four…

Description

14. Pulse motor valve (PMV) control This function controls throttle amount of the refrigerant in the refrigerating cycle. According to operating status of the air conditioner, this function also controls the open degree of valve with an expansion valve with pulse motor. 1) When starting the…

15. Clean

operation Description 1. Purpose The clean operation is to minimize the growth of mold, bacteria etc. by running the fan and drying so as to keep the inside of the air conditioner clean. Unit now performing cooling or dry operation Clean operation When the cooling or dry operation shuts down, the…

16. Clean operation

cancel Description Operation flow and applicable data, etc. Setting the clean operation cancel Add J201 of the indoor P.C. board assembly. * This cancels the auto restart function. Hold down the [RESET] button on the indoor unit for at least 3 seconds but not more than 10 seconds. The indoor unit’s…

17. Select switch on

remote controller 1. Purpose This operation is to operate only one indoor unit using one remote controller. Push the operation button on the remote controller. YES Both indoor units start operation. Select “B” as the setting for one of the two indoor units and for the remote controller. (See below…

18. Set temp

correction Operation flow and applicable data, etc. <Indoor control P.C. board (At shipment)> Description 1. Purpose When the difference between the set temp. of the remote controller and the room temp. is wide due to the installation condition, etc, the set temp. is corrected. (HEAT operation only)…

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)…

9-5. Remote Controller and Its Fuctions

9-5-1. Parts Name of Remote Controller 12 High power button (Hi POWER) 1 Infrared signal transmitter Push this button to start high power operation. Transmits signals to the indoor unit. 2 13 Memory button (MEMO) button Push this button to ready for storing the settings. Hold down the button for 3…

9-5-2. Name and Functions of Indications on Remote Controller

[Display] All indications, except for the clock time indicator, are displayed by pushing the 1 Transmission mark button. 6 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…

9-6. Hi POWER Mode

([Hi POWER] button on the remote controller is pressed) When [Hi POWER] button is pressed while the indoor unit is in Auto, Cooling or Heating operation, Hi POWER mark is indicated on the display of the remote controller and the unit operates as follows. 1. Automatic operation • The indoor unit…

10. INSTALLATION PROCEDURE

10-1. Safety Cautions For the rear left and left piping Hook 47 mm or more 1 Installation plate Wall Hook 140 mm or more 74 mm or more Hook 6 Mounting screw Insert the cushion between the indoor unit and wall, and tilt the indoor unit for better installation work. Do not allow the drain hose to…

10-2. Optional Parts, Accessories and Tools

10-2-1. Optional Installation Parts Part code Parts name Q’ty Refrigerant piping Liquid side (Outer diameter) Gas side (Outer diameter) RAS-B10SKVP-E, B13SKVP-E RAS-M10SKCVP-E, M13SKCVP-E 6.35 mm 9.52 mm RAS-B16SKVP-E, M16SKCVP-E 6.35 mm 12.7 mm 1 ea. Shield pipe (for extension drain hose)…

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 and Mounting Installation

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

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. 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. Place the level at the top end of the…

10-3-5. Piping and Drain Hose Installation

Terminal cover Piping and drain hose forming Screw Terminal block • Since condensation results in machine trouble, make sure to insulate both the connecting pipes separately. (Use polyethylene foam as insulating material.) Earth wire Rear left Die-cutting Front panel slit Bottom left Cord clamp Left…

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 • 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. 1. Run the drain hose at a downward sloped angle. NOTE : • Hole should be made at a slight downward slant…

10-4. Outdoor Unit

CAUTION 10-4-1. Accessory and Installation Parts 1. Install the outdoor unit without anything blocking the air discharging. 2. When the outdoor unit is installed in a place exposed always to a strong wind like a coast or on a high story of a building, secure the normal fan operation using a duct or…

10-4-5. Refrigerant Piping Connection

• Flaring size : A (Unit : mm) A CAUTION Fig. 10-4-4 KEEP IMPORTANT 4 POINTS FOR PIPING WORK 1. Keep dust and moisture from entering the pipes. 2. Tight connection (between pipes and unit) 3. Evacuate the air in the connecting pipes using VACUUM PUMP. 4. Check gas leak. (connected points) +0 A - 0.4…

1. Piping connections to the outdoor unit should be

arranged in the sequence A, B, C starting from the bottom. (For each piping connection, the gas pipe is on the bottom and the liquid pipe is on the top.) 2. When multiple indoor units are to be connected to the outdoor unit, make the ends of the pipes and wires from each indoor unit to ensure that…

10-4-7. Evacuating

• Tightening torque of flare pipe The pressure of R410A is higher than R22. (Approx. 1.6 times) Therefore securely tighten the flare pipes which connect the outdoor unit and indoor unit with the specified tightening torque using a torque wrench. If any flare pipe is incorrectly connected, it may…

Packed valve handling precautions

Wiring connection • Open the valve stem all the way out ; do not try to open it beyond the stopper. • Securely tighten the valve stem cap in torque is as follows : 1. Remove valve cover, the electric parts cover and the cord clamp from the outdoor unit. 2. Connect the connecting cable to the…

10-4-9. Check and Test Operation

10-4-10. Miswiring (Mispiping) Check For R410A, use the leak detector exclusively manufactured for HFC refrigerant (R410A, R134a, etc.). * The conventional leak detector for HCFC refrigerant (R22, etc.) cannot be used because its sensitivity for HFC refrigerant lowers to approx. 1/ 40. • Pressure of…

Miswiring (mispiping) check by LED Indication

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, a 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…

11. HOW TO DIAGNOSE THE TROUBLE

The pulse modulating circuits are mounted to both indoor and outdoor units. Therefore, diagnose troubles according to the trouble diagnosis procedure as described below. (Refer to the check points in servicing written on the wiring diagrams attached to the indoor/outdoor units.) Table 11-1 No.…

11-1-3. Operation Which is not a Trouble

(Program Operation) 11-1. First Confirmation 11-1-1. Confirmation of Power Supply For controlling the air conditioner, the program operations are built in the microcomputer as described in the following table. If a claim is made for running operation, check whether or not it meets to the contents in…

11-3. 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…

11-3-2. Caution at Servicing

1. After servicing, push 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 Outdoor P.C. board 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…

11-4. Judgment of Trouble by Every Symptom

11-4-1. 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 Check…

(3) Only the indoor motor fan does not operate

<Primary check> 1. Is it possible to detect the power supply voltage (AC220–240V) between and 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…

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

<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.…

(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…

11-4-2. Wiring Failure (Interconnecting and Serial Signal Wire)

(1) Outdoor unit does not operate 1) Is the voltage between and 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…

11-5. Check Code 1C (Miswiring in indoor/outdoor units) and 1E

<Check procedure> 1C 1E Gas leakage, disconnection of TS/TC sensors (Check code 02, 1C) Discharge temp. error, gas leakage (Check code 03, 1E) Valve drive check Is coil of the pulse motor valve (P.M.V.) correctly set? NO Set it correctly. YES Is connecter of coil connected to inverter? NO Set it…

11-6. Trouble Diagnosis by Outdoor LED

For the outdoor unit, the self-diagnosis is possible by LED (Yel) and four LEDs (Red). • LED (Yel) (D800) and LEDs (Red) (D801 to D804) are provided on the sub-control board under surface of the inverter, and as shown below, they are checked from the wiring port when removing the wiring cover. LED…

11-7. Troubleshooting

11-7-1. How to Check Whether the Air Purifier is Good or Not Turn off the power breaker once, and turn on again after 10 seconds. Does the OPERATION indicator flash? NO To item “Power supply is not turned on” Primary check YES Turn off the power breaker and remove CN41 (Micro switch connector).…

11-8. How to Diagnose Trouble in Outdoor Unit

11-8-1. Summarized Inner Diagnosis of Inverter Assembly Table 11-8-1 Diagnosis/Process flowchart Item Contents Preparation Turn “OFF” the power supply breaker, and remove 3P connector which connects inverter and compressor. Check • Check whether 25A fuse on the control board assembly is blown or…

Diagnosis/Process flowchart

A B Item Contents Check Check winding resistance between phases of compressor, and resistance between outdoor frames by using a tester. C Check winding of compressor. NG OK NG Check fan motor position detect signal. Replace compressor. Replace outdoor fan motor. Replace control board assembly. Check…

(3) Check procedures

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…

GND +12V +5V [1] Sensor characteristic table 100 Resistance value (kW) 90 80 TD : Discharge temp. sensor TA : Room temp. sensor TC : Heat exchanger temp. sensor TO : Outdoor temp. sensor TE : Outdoor heat exchanger temp. sensor TS : Suction temp. sensor TGa : A room Gas side temp. sensor TGb : B…

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

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

11-9-5. Checking Method for Each Part

Part name Checking procedure 1 Electrolytic capacitor (For raising pressure, smoothing) 1. Turn OFF the power supply breaker. 2. Discharge all three capacitors completely. 3. Check that safety valve at the bottom of capacitor is not broken. 4. Check that vessel is not swollen or exploded. 5. Check…

11-10. How to Simply Judge Whether Outdoor Fan Motor is Good or Bad

1. Symptom • Outdoor fan motor does not rotate. • Outdoor fan motor stops within several tens seconds though it started rotating. • Outdoor fan motor rotates or does not rotate according to the position where the fan stopped, etc. Remote controller check code “02 : Outdoor block, 1A : Outdoor fan…

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)…

Procedures

Q Front panel 4) Push “PUSH” part under the front panel and remove hooks of the front panel from the installation plate. Remarks Installation plate Pull here Front panel Push here Push here Push 5) Remove the front panel fixing screws. (2 pcs.) 6) Push the electric parts box with the right thumb…

Procedures

R High voltage generator 1) Follow to the procedure in the item Q. 2) Disconnect the connectors of the high-voltage generator, and disconnect the four leads from where they are fitted into the other components. 3) Remove the fixing screw which secures the high voltage generator, and remove the high…

Procedures

S Electric parts box assembly 1) Follow the procedure up to 4) in R above. 2) Remove screw of earth lead attached to the end plate of the evaporator. 3) Remove the lead wire cover, and remove connector (5P) for the fan motor and connector (5P) for the louver motor from the electric parts box…

Procedures

T 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.) Remarks Slide the horizontal louver leftward U Evaporator (Heat exchanger) 1) Follow to the procedure in the item…

V

Bearing Procedures Remarks 1) Follow to the procedure in the items Q. 2) Remove the two fixing screws used to secure the left edge panel of the heat exchanger, and remove the two screws used to secure the bearing base. Screw Bearing base Screw 3) Raise the left side of the heat exchanger slightly…

W

Part name Fan motor Procedures Remarks 1) Follow to the procedure in the item S. 2) Loosen the set screw of the cross flow fan. 3) Remove two fixing screws of the motor band (Right), and then remove the motor band (Right). 4) Pull the fan motor outward. In assembling work, install the fan motor as…

Procedures

X Cross flow fan <Caution at reassembling> 1) At assembling work of the bearing base, check that the drain pipe is surely incorporated in the back body. (Otherwise, water leak is caused.) 2) To incorporate the fan motor, remove the fan motor rubber (at shaft core side), incorporate the motor into…

12-2. Microcomputer

No. Part name Q 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. <P.C. board layout> R02 L01 C01 CN01 FUSE R01 R531 CN31 DB01 C03 T101 IC101 C121 IC81…

12-3. Outdoor Unit

No. Part name 1 Common procedure Procedure Remarks 1. Detachment Upper cabinet NOTE Wear gloves for this job. Otherwise, you may injure your hands on the parts, etc. Water-proof cover Wiring cover 1) Stop operation of the air conditioner, and turn off the main switch of the breaker for air…

Procedure

2 Front cabinet 1. Detachment 1) Perform work of item 1 of 1 . 2) Remove the fixing screws (ST1TØ4 × 8L 1 pc.) used to secure the front cabinet and inverter cover, the screws (ST1TØ4 × 8L 3 pcs.) used to secure the front cabinet at the bottom, and the fixing screws (ST1TØ4 × 8L 2 pcs.) used to…

Procedure

3 Inverter assembly 1. Detachment 1) Perform work of items 1. of 1 and 2 . 2) Remove screw (ST1TØ4 × 8L 1 pc.) of the upper part of the front cabinet. • If removing the inverter cover in this condition, P.C. board can be checked. • If there is no space in the upper part of the upper cabinet, perform…

Procedure

4 Control board assembly 1. Disconnect lead wires and connectors connected from the control board assembly to other parts. 1) Lead wires Remarks • Connection with terminal block : 6 wires (Red, Orange, Pink, Black and two White wires) • Connection with compressor : Remove the connector from CN09…

Procedure

No. Part name 5 Rear cabinet 1) Perform work of item 1. of 1 , 2 and 3 . 2) Remove fixed screws fixing to the bottom plate. (ST1TØ4 × 8L 2 pcs.) 3) Remove fixed screws fixing to the heat exchanger. (ST1TØ4 × 8L 2 pcs.) 4) Remove fixed screw fixing to the valve mounting plate. (ST1TØ4 × 8L 1 pc.) 6…

Procedure

9 Pulse motor valve coil 1. Detachment 1) Perform step 1. in 2 , all the steps in 3 and 1. in 5 . 2) Release the coil from the notch by turning it, and remove coil from the pulse motor valve. 2. Attachment 1) Put the coil deep into the bottom position. 2) Fix the coil firmly by turning it to the…

Part name Procedure Remarks TE sensor (outdoor heat exchanging temperature sensor) • Attachment With the sensor leads pointing in the direction shown in the figure, install the sensor onto the straight pipe part of the condenser output pipe. 12 TS TD TGc TGb TS sensor (Suction pipe temperature…

Procedure

11 Replacement of temperature sensor for servicing only 1) Cut the sensor 100 mm longer than old one. 2) Cut the protective tube after pulling out it (200 mm). 3) Move the protective tube toward the thermal sensor side and tear the tip of lead wire in two then strip the covering part. 4) Pass the…

13. EXPLODED VIEWS AND PARTS LIST

13-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E RAS-M10SKCVP-E, RAS-M13SKCVP-E, RAS-M16SKCVP-E 225, 218, 221, 222, ∗ The parts in the following parts list are conformed to RoHS. Therefore be sure to use the following parts for repairing and replacing. Location No. Part No. 43005709…

13-2. Outdoor Unit

∗ The parts in the following parts list are conformed to RoHS

Therefore be sure to use the following parts for repairing and replacing. Location No. Part No. 43005637 43005638 43005636 43042491 4301V030 4301V029 4301V021 43062262 43041635 43043785 37546845 43046442 43147196 43047401 43047676 43047677 43047679 43047680 43047674 43046449 25 43046448 26 43046444…

TOSHIBA CARRIER CORPORATION

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

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