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

FILE NO. A06-011

SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE Indoor Unit Outdoor Unit <High Wall, Heat Pump Type> <Heat Pump Type> (Standard Type) RAS-B10SKVP-E RAS-B13SKVP-E RAS-B16SKVP-E RAS-10SAVP-E RAS-13SAVP-E RAS-16SAVP-E (North Europe Type) RAS-10SKVP-ND RAS-13SKVP-ND RAS-16SKVP-ND RAS-10SAVP-ND RAS-13SAVP-ND…

1. SAFETY PRECAUTIONS

For general public use Power supply cord of outdoor unit shall be 1.5 mm ² (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 them without…

• 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. Specifications RAS-B10SKVP-E/RAS-B13SKVP-E/RAS-B16SKVP-E, RAS-10SAVP-E/RAS-13SAVP-E/RAS-16SAVP-E Indoor Outdoor Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply Unit model Indoor Electric characteristics Outdoor COP Operating noise Indoor Outdoor Unit…

RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND/RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-ND

Unit model Indoor RAS-10SKVP-ND RAS-13SKVP-ND RAS-16SKVP-ND Outdoor RAS-10SAVP-ND RAS-13SAVP-ND RAS-16SAVP-ND Cooling capacity (kW) 2.5 3.5 4.5 Cooling capacity range (kW) 0.5–3.5 0.6–4.5 0.8–5.0 Heating capacity (kW) 3.2 4.2 5.5 Heating capacity range (kW) 0.6 – 6.1 0.6 – 6.9 0.8 – 8.0 Power supply…

2-2. Operation Characteristic Curve

RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E <Heating> Current (A) Current (A) <Cooling> • Conditions Indoor : DB 27˚C/WB 19˚C Outdoor : DB 35˚C Air flow : High Pipe length : 5m Voltage : 230V Compressor speed (rps) • Conditions Indoor : DB 20˚C Outdoor : DB 7˚C/WB 6˚C Air flow : High Pipe length…

2-3. Capacity Variation Ratio According to Temperature

RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E Capacity ratio (%) <Heating> Capacity ratio (%) <Cooling> • Conditions Indoor : DB27˚C/WB19˚C Indoor air flow : High Pipe length : 5m 0 –15 • Conditions Indoor : DB 20˚C Indoor air flow : High Pipe length : 5m –10 –5 Outdoor temp. (˚C) Outdoor temp. (˚C)…

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 790 Plasma pure filter Indoor heat exchanger 790 Air filter 51.5 250 Front panel 55 65 Knockout system Knockout system 64 53 54.5 60 60 54.5 5 125.5 53 Remote controller holder Installation plate hanging section Wireless remote controller…

RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND

790 Plasma pure filter Indoor heat exchanger 790 Air filter 51.5 250 Front panel 55 65 Knockout system Knockout system 64 53 54.5 60 60 54.5 5 125.5 53 Remote controller holder Installation plate hanging section Wireless remote controller Installation plate hanging section Drain hose (Outside…

4-2. Outdoor Unit

RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E, RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-ND 600 6 dia.436 Packed valve cover dia.11 × 14 long hole (For dia.8-10 anchor bolt) Dia.11-14U-shape hole (For dia.8-10 anchor bolt) 8-dia.7 hole (For fixing outdoor unit) B leg part Fan guard Connecting pipe port…

5. WIRING DIAGRAM

5-1. Outdoor Unit RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E CM RED 1 1 WHI 2 2 BLK 3 3 P04 P05 P06 Q200 ~ 205 IGBT P25 YEL P24 P23 YEL P22 P21 BRW Fan Motor BLK 3 3 WHI 2 2 RED FM 1 1 CN300 Pulse Motor Valve CN700 PMV Q300 ~ 305 MOS-FET R221 R321 R220 R320 R219 R319 L03 YEL C13 P. C. Board MCC-5009…

5-3. Outdoor Unit

RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-ND CM RED 1 1 WHI 2 2 BLK 3 3 P04 P05 P06 Q200 ~ 205 IGBT P25 YEL P24 P23 YEL P22 P21 BRW Fan Motor BLK 3 3 WHI 2 2 RED FM 1 1 CN300 Pulse Motor Valve CN700 PMV Q300 ~ 305 MOS-FET R221 R321 R220 R320 R219 R319 P35 L03 YEL C13 P. C. Board MCC-5009 P34 P19…

6. SPECIFICATIONS OF ELECTRICAL PARTS

7. REFRIGERANT CYCLE DIAGRAM

7-1. Refrigerant Cycle Diagram INDOOR UNIT TCJ Indoor heat exchanger T1 Temp. measurement Cross flow fan TA Deoxidized copper pipe Outer dia. : 6.35mm Thickness : 0.8mm Deoxidized copper pipe Outer dia.: 9.52mm (10SAVP-E, -ND) 9.52mm (13SAVP-E, -ND) 12.7mm (16SAVP-E, -ND) Thickness: 0.8mm Sectional…

7-2. Operation Data

<Cooling> Temperature condition (°C) Indoor Model name RAS- Outdoor 27/19 35/– Standard pressure P (MPa) Heat exchanger pipe temp. T1 (°C) T2 (°C) Indoor fan mode Outdoor fan mode Compressor revolution (rps) B10SKVP-E 10SKVP-ND 1.0 to 1.2 13 to 15 36 to 39 High High 35 B13SKVP-E 13SKVP-ND 0.9 to 1.1…

8. CONTROL BLOCK DIAGRAM

8-1. Indoor Unit RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E / RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND Indoor Unit Control Unit M.C.U. Louver Motor Heat Exchanger Sensor (Tcj) Functions Heat Exchanger Sensor (Tc) • Cold draft preventing Function Room Temperature Sensor (Ta) • 3-minute Delay at…

Heat exchanger

temp.sensor Suction temp. sensor Outdoor air temp. sensor Discharge temp. sensor Noise Filter M.C.U MCC5009 (P.C.B) – 26 – Driver circuit of P.M.V. P.M.V. Freeze prevention heater Converter (AC DC) ® Clock frequency 4MHz Relay circuit (-ND model only) Input current sensor High Power factor…

9. OPERATION DESCRIPTION

• Compressor operation control Operations followed to • Operation control of judgment of serial outdoor fan motor signal from indoor side. • P.M.V. control • 4-way valve control • Detection of inverter input current and current release operation • Over-current detection and prevention operation to…

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. Cooling/Heating operation The operations are performed in the following parts by controls according to cooling/heating conditions. 1) Receiving the operation ON signal of the remote controller, the cooling or heating operation signal…

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…

Description

Operation flow and applicable data, etc. 2. Indoor fan motor control <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…

таблицы и схемы — в просмотре

4. 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…

Description

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

Description

7. Quick heating control This function quickens the starting of heating operation when indoor/outdoor temperature is low. (Available only in heating operation) When indoor temperature is low, this function stores the heat by heating winding depended on the outdoor temperature and then it enables the…

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. Description <Cooling operation> This function operates the air conditioner with the difference between the set and the room…

Description

11. Temporary operation Pushing [RESET] button starts the temporary operation of [AUTO] operation. When keeping [RESET] button pushed for 10 seconds or more, the temporary [COOL] operation is performed. 1) When pushing [RESET] button, the temporary [AUTO] operation starts. 2) When keeping [RESET]…

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 controls the open degree of valve with an expansion valve with pulse motor. 1) When starting the operation…

15. Clean operation

Unit now performing cooling or dry operation Push “STOP” button Only S.CLEAN indicator lights, and clean operation starts Time set now elapses Operation stops • During clean operations: The louver opens slightly. The indoor fan operates continuously at a speed of 260 rpm. Clean operation times…

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)…

19. Outdoor

Quiet control Description <With Quiet control/Non-select method> 1. Purpose For the users who concern about noise of the outdoor unit, this control controls the max. revolutions of the compressor to reduce the noise. Select “Control” or “No control” by keeping [RESET] button pushed for 20 seconds.…

Description

20. 8°C HEAT operation (-ND model only) Pushing the [8°C] button on the remote controller starts HEAT operation with set temp. 8°C. The air conditioner is controlled according to the room temperature 8°C as a standard. The room temperature may be a little off the room temperature 8°C due to the room…

20. 8°C HEAT operation

(-ND model only) Operation flow and applicable data, etc. <Indoor fan control> Description <Indoor fan control> When 8°C HEAT operation, the indoor fan control rises up automatically. When the indoor fan is operated manually, it is matched with the fan tap. However the cold draft preventive control…

21. Cord heater control

(-ND model only) Operation flow and applicable data, etc. Description <Base plate cord heater control> 1. Purpose Base plate freeze prevention of the outdoor unit TO temp. 2. Operation As shown in the left figure, the base plate freeze preventive heater is controlled by temperature of the outside…

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

12 High power button (Hi POWER) 9-5-1. Parts Name of Remote Controller Push this button to start high power operation. 13 Memory button (MEMO) 1 Infrared signal transmitter Push this button to ready for storing the settings. Hold down the button for 3 seconds or more to store the setting indicated…

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 pushed) When [Hi POWER] button is pushed 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 preset temperature…

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 Indoor unit name Y Liquid side (Outer diameter) Gas side (Outer diameter) . 1 ea. RAS-B10SKVP-E, B13SKVP-E RAS-10SKVP-ND, 13SKVP-ND 6.35 mm 9.52 mm RAS-B16SKVP-E, 16SKVP-ND 6.35 mm 12.7 mm Shield pipe (for extension…

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 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…

10-4. Outdoor Unit

Precautions for adding refrigerant 10-4-1. Installation Location • Use a scale having at least 10 g per index line precision when adding the refrigerant. Do not use a bathroom scale or similar instrument. • Use liquid refrigerant when refilling the refrigerant. Since the refrigerant is in liquid…

10-4-2. Draining the Water

10-4-3. Refrigerant Piping Connection • Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating operations is drained off efficiently. If a centralized drain is required when installing the unit on a balcony or wall, follow the steps below to…

Tightening Connection

Use a vacuum pump Align the centers of the connecting pipes and tighten the flare nut as much as possible with your fingers. Then tighten the nut with a wrench and torque wrench as shown in the figure. Be sure to use a vacuum pump with counter-flow prevention function so that oil inside the pump…

Packed Valve handling precautions

• Open the valve stem until it touches the stopper. Once it is in contact with the stopper, refrain from applying any more force than is necessary. • Securely tighten the valve stem cap with torque in the following table: Gas side (Ø12.7 mm) 50 to 62 N•m (5.0 to 6.2 kgf•m) Gas side (Ø9.52 mm) 33 to…

10-5. Test Operation

10-5-4. If the air conditioner operates incorrectly 10-5-1. Gas Leak Test • Check the flare nut connections for gas leaks with a gas leak detector and/or soapy water. Check places for flare nut connections (indoor unit) Valve cover Electric parts Check places for outdoor unit Fig. 10-5-1 10-5-2.…

11. HOW TO DIAGNOSE THE TROUBLE

The pulse motor 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.…

CAUTION

A high voltage (equivalent to the supply voltage) is also energized to ground through the sensors, PMV and other low-voltage circuits. The sensor leads and other wires are covered with insulated tubes for protection. Nevertheless, care must be taken to ensure that these wires are not pinched. Take…

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 Which is not a Trouble…

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, 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…

11-5. 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 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…

11-5-2. 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…

11-6. 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…

11-7. 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 Item Contents Check Check winding resistance between phases of compressor, and resistance between outdoor frames by using a tester. B Replace control board assembly. Check compressor winding resistance. NG • Is not grounded. → OK if 10MΩ or more • Is not short-circuited between windings.  → OK if…

(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 TA, TC, TCJ, TO, TE, TS Temperature (˚C) – 85 – TD : Discharge temp. sensor TA : Room temp. sensor TC, TCJ : Heat exchanger temp. sensor TO : Outdoor temp. sensor TE : Outdoor heat exchanger temp. sensor TS : Suction…

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 boost, 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 that…

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

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

High voltage generator 1) Follow to the procedure in the item . 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

Electric parts box assembly 1) Follow the procedure up to 4) 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 (5P) for the fan motor and connector (5P) for the louver motor from the electric parts box…

Procedures

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 Evaporator (Heat exchanger) 1) Follow to the procedure in the item…

Bearing Procedures Remarks 1) Follow to the procedure in the items . 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…

Part name Fan motor Procedures Remarks 1) Follow to the procedure in the item . 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

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 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 Common procedure Procedure Remarks 1. Detachment NOTE Wear gloves for this job. Otherwise, you may injure your hands on the parts, etc. 1) Stop operation of the air conditioner, and turn off the main switch of the breaker for air conditioner. 2) Remove the valve cover. (ST1TØ4 × 8L 1…

Procedure

Front cabinet 1. Detachment 1) Perform step 1 in . 2) Remove the fixing screws (ST1TØ4 × 8L 2 pcs.) 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 secure the…

Inverter assembly Procedure 1) Perform work of item 1 in . 2) Remove screw (ST1TØ4 × 8L 2 pcs.) 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 above the unit, perform work of 1 in . Remarks Inverter…

Procedure

Control board assembly 1. Disconnect the leads and connectors connected to the other parts from the control board assembly. 1) Leads • 3 leads (black, white, orange) connected to terminal block. • Lead connected to compressor : Disconnect the connector (3P). • Lead connected to reactor…

Side

cabinet Procedure Remarks 1. Side cabinet (right) 1) Perform step 1 in and all the steps in . 2) Remove the fixing screw (ST1TØ4 × 8L 5 pcs.) used for securing the side cabinet to the bottom plate and valve fixing panel. 2. Side cabinet (left) 1) Perform step 1 in . 2) Remove the fixing screw…

Procedure

Compressor 1) Perform work of item 1 of and , , , . 2) Extract refrigerant gas. 3) Remove the partition board. (ST1TØ4 × 8L 3 pcs.) 4) Remove the sound-insulation material. 5) Remove terminal cover of the compressor, and disconnect lead wire of the compressor from the terminal. 6) Remove pipe…

Electronic expansion valve coil Procedure Remarks 1. Detachment 1) Perform step 1 in , all the steps in and 1 in . 2) Remove the coil by pulling it up from the electronic control valve body. Coil anti-turn lock 2. Attachment 1) When assembling the coil into the valve body, ensure that the coil…

Procedure Part name Remarks TE sensor (outdoor heat exchanging temperature sensor) • Attachment With the leads pointing downward and the sensor leads pointing in the direction shown in the figure, install the sensor onto the straight pipe part of the condenser output pipe. Detail A Arrow D Detail C…

Procedure

15 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 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 43009694 43080512 43080521 43009693 4302C067…

RAS-10SKVP-ND, RAS-13SKVP-ND, RAS-16SKVP-ND

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 43009694 43080512 43080521 43009693 4302C067 4302D003 4306A024 43039363 43039321 43020346 43039314 43020253…

13-2. Outdoor Unit

RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E 11 4 28, 29 30, 13, 16, 19, 14, 15, 17, 18, 20, 21, 23, 24, – 112 –

∗ 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. 43005657 43005642 43005658 43005634 4301V035 4301V053 43100346 43119471 43062262 43041641 43043780 37546845 43046442 15 43146680 16 17 43147196 43047401 43147195 43047676 43047677 43047655 43047679…

RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-ND

11 4 28, 29 30, 13, 16, 19, 14, 15, 17, 18, 20, 21, 23, 24, CORD, HEATER, Ass’y – 114 –

∗ 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. 43005657 43005642 43005658 43005634 4301V035 4301V053 43005716 43119471 43062262 43041641 43043780 37546845 43046442 15 43146680 16 17 43147196 43047401 43147195 43047676 43047677 21 43047655 22 23…

RAS-10SAVP-E-INV, RAS-13SAVP-E-INV, RAS-16SAVP-E-INV 705 701 Sensor, TE 702 Sensor, TS 703 Sensor, TO 704 Sensor, TD (Ø4) 707 706 ∗ 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. 43050422…

RAS-10SAVP-ND-INV, RAS-13SAVP-ND-INV, RAS-16SAVP-ND-INV

Before replacing the P.C. board, set up the P.C. board according to the following table. Caution When repaired P.C. board should be electric discharge of capacitor. (C12, C13, C14) APPLICATION MODELS : RAS-10SAVP-E, RAS-13SAVP-E, RAS-16SAVP-E RAS-10SAVP-ND, RAS-13SAVP-ND, RAS-16SAVP-ND JUMPER SET UP…

TOSHIBA CARRIER CORPORATION

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

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