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

FILE NO. SVM-05016-1

SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-24NKHD-E4 / RAS-24UAH-E4 RAS-18NKHD-E4 / RAS-18UAH-E4 RAS-24NKD-E4 / RAS-24UA-E4 RAS-18NKD-E4 / RAS-18UA-E4 RAS-24NKD-AR4 / RAS-24UA-AR4 RAS-18NKD-AR4 / RAS-18UA-AR4 RAS-24NKDX4 / RAS-24UAX4 RAS-18NKDX4 / RAS-18UAX4 RAS-24NKDX4-T / RAS-24UAX3-T1…

SPECIFICATIONS 2. CONSTRUCTION VIEWS 2-1 2-2 2-3 2-4 3. 3-4 3-5 3-6 4-5 4-6 4-7 4-8 4-9 Indoor Unit (RAS-24NKHD-E4, RAS-18NKHD-E4) Outdoor Unit (RAS-24UAH-E4) Outdoor Unit (RAS-18UAH-E4) Indoor Unit (RAS-24NKD-E4, RAS-24NKDX4, RAS-24NKD-AR4, RAS-24NKDX4-T, RAS-18NKD-E4, RAS-18NKDX4, RAS-18NKD-AR4…

OPERATION DESCRIPTION 7-1 Outline of Air Conditioner Control 7-2 Description of Operation Circuit 7-3 Hi POWER Mode 7-4 High-Temperature Limit Control 7-5 Low-Temperature Limit Control 7-6 Defrosting Operation 7-7 Auto Restart Function 7-8 Filter Check Lamp 7-9 Self-Cleaning function 7-10 QUIET Mode…

1. SPECIFICATIONS

MODEL ITEM RAS-24NKHD-E4 RAS-24NKD-E4 RAS-24NKDX4 RAS-24NKD-AR4 RAS-24NKDX4-T RAS-24UAH-E4 RAS-24UA-E4 RAS-24UAX4 RAS-24UA-AR4 RAS-24UA X3-T1 Cooling Cooling Cooling Cooling Cooling Capacity kW Heating 220 V 240 V 220 V 240 V 220 V 240 V 220 V 6.30 6.30 6.80 6.90 6.40 6.45 6.40 Phase Power source V…

MODEL

ITEM RAS-18NKHD-E4 RAS-18NKD-E4 RAS-18NKDX4 RAS-18NKD-AR4 RAS-18NKDX4-T2 RAS-18UAH-E4 RAS-18UA-E4 RAS-18UAX4 RAS-18UA-AR4 RAS-18UAX4-T2 Cooling Cooling Cooling Cooling Cooling Capacity kW Heating 220 V 240 V 220 V 240 V 220 V 240 V 220 V 240 V 220 V 240 V 220 V 5.05 5.05 5.80 5.90 5.20 5.25 5.20…

Note : 1

2. CONSTRUCTION VIEWS

2-1. Indoor Unit Back body 998 Air inlet Air filter Heat exchanger Plasma air purifier Air outlet Front panel Grille inlet Knock out system 50 Knock out system Connection pipe (0.49 m) (Flare ∅6.35) Connection pipe (0.39 m) (For 24 series and RAS-18NKDX4-T2 : Flare ∅15.88) (For 18 series except…

50 ∅12x18 hole 27 A Detail Drawing 600 340 4-∅12x18 holes (for ∅8 − ∅10 anchor bolt) 63.8 Handle ∅25 Drain outlet Handle 68 52 –7– 74 88 A or more 100 or more 364 340 (pitch) 310 Air outlet Air inlet 600 4-∅12x18 for ∅8 − ∅10 anchor bolt 12 Service Port Liquid side (Flare ∅6.35) Gas side (Flare…

Handle

300 ∅11x14 hole ∅420 ∅6 hole 90 Fan guard A 600 830 ∅25 Drain outlet or more 344 Air outlet Air inlet 4x∅11x14 for ∅8 − ∅10 anchor bolt 600 or more –8– Gas side (Flare ∅12.7) Liquid side (Flare ∅6.35) Electric Parts cover 600 or more 600 Air inlet Installation dimension 100 or more Service Port 8-∅6…

2-4. Outdoor Unit (RAS-18UA-E4, RAS-18UAX4, RAS-18UA-AR4)

A 32.5 A Detail Drawing (Back Leg) B Detail Drawing (Front Leg) 310 302 R15 125 ∅6 Hole ∅11x14 Hole R5.5 ∅30 Drain outlet ∅436 52 R15 B 2-∅11x14 Hole (For ∅8-∅10 anchor bolt) FAN GUARD COVER PV 265 530 Z Electrical part cover Gas side (Flare ∅12.7) Liquid side (Flare ∅6.35) Z View Service port…

3. WIRING DIAGRAM

3-1. RAS-24NKHD-E4 / RAS-24UAH-E4 COLOR IDENTIFICATION BRW : BROWN RED : RED WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY DRN : ORANGE GRN : GREEN GRN&YEL : GREEN & YELLOW Louver motor Infrared rays receive and Indication parts CN34 BRW BLU CN13 P04 BRW BRW BRW REW + 12 VDC Power…

COLOR IDENTIFICATION BRW : BROWN RED : RED WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY DRN : ORANGE GRN : GREEN GRN&YEL : GREEN & YELLOW Louver motor Infrared rays receive and Indication parts CN34 BRW BLU CN07 P04 250V Power supply circuit BRW BRW BRW REW + 12 VDC CN33 + 5 VDC MAIN…

RAS-24NKDX4 / RAS-24UAX4 Louver motor COLOR IDENTIFICATION BRW : BROWN RED : RED WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY DRN : ORANGE GRN : GREEN GRN&YEL : GREEN & YELLOW Infrared reys receive and Indication parts CN34 BRW BLU Varistor Varistor F01 DSA 250V 6.3A + 12 VDV Power…

3-4. RAS-24NKDX4-T / RAS-24UAX3-T1

Louver motor COLOR IDENTIFICATION BRW : BROWN RED : RED WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY DRN : ORANGE GRN : GREEN GRN&YEL : GREEN & YELLOW Infrared rays receive and Indication parts CN13 P04 Varistor Varistor F01 DSA 6.3A 250V + 12 VCD Power supply circuit + 5 VCD Fan motor…

3.5 RAS-18NKD-E4 / RAS-18UA-E4, RAS-18NKDX4 / RAS-18UAX4

RAS-18NKD-AR4 / RAS-18UA-AR4 Louver motor COLOR IDENTIFICATION BRW : BROWN RED : RED WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY DRN : ORANGE GRN : GREEN GRN&YEL : GREEN & YELLOW CN07 CN34 BRW BLU CN13 P04 Varistor Varistor F01 DSA 6.3A 250V + 12 VDC Power supply circuit + 5 VDC BRW…

3-6. RAS-18NKDX4-T2 / RAS-18UAX4-T2

COLOR IDENTIFICATION BRW : BROWN RED : RED WHI : WHITE YEL : YELLOW BLU : BLUE BLK : BLACK GRY : GRAY DRN : ORANGE GRN : GREEN GRN&YEL : GREEN & YELLOW Louver motor Infrared rays receive and Indication parts Varistor Varistor F01 DSA 6.3A 250V Relay + 12 VDC Power supply circuit + 5 VDC MAIN P.C.…

4. SPECIFICATION OF ELECTRICAL PARTS

4-3. Outdoor Unit (RAS-18UAH-E4)

4-5. Outdoor Unit (RAS-24UA-E4, RAS-24UAX4, RAS-24UAX3-T1

4-7. Outdoor Unit (RAS-18UAX4, RAS-18UA-E4)

4.9. Outdoor Unit (RAS-18UAX4-T2)

5. REFRIGERATION CYCLE DIAGRAM

5-1. RAS-24NKHD-E4 / RAS-24UAH-E4 Cooling 0.39 m (Connecting pipe) ∅15.88 T Indoor unit Evaporator 0.49 m (Connecting pipe) ∅6.35 Heating Cross flow fan O.D.:15.88 mm O.D.:6.35 mm P Packed valve (∅15.88) Gas container connection (Reinstall etc.) Packed valve (∅6.35) Heating Cooling 4-way valve…

5-2. RAS-18NKHD-E4 / RAS-18UAH-E4

Indoor unit Evaporator Cooling 0.39 m (Connecting pipe) ∅12.7 T 0.49 m (Connecting pipe) ∅6.35 Heating Cross flow fan O.D.:12.7 mm O.D.:6.35 mm P Packed valve (∅6.35) Packed valve (∅12.7) Gas container connection (Reinstall etc.) Heating Cooling 4-way valve Capillary tube ∅0.8x400 s Heating Cooling…

5-3. RAS-24NKD-E4 / RAS-24UA-E4, RAS-24NKDX4 / RAS-24UAX4,

RAS-24NKDX4-T / RAS-24UAX3-T1 Indoor unit Evaporator Cooling 0.39 m (Connecting pipe) ∅15.88 T 0.49 m (Connecting pipe) ∅6.35 Cross flow fan P O.D.:15.88 mm O.D.:6.35 mm Packed valve (∅15.88) Gas container connection (Reinstall etc.) Packed valve (∅6.35) Compressor PH400X3CS-4KT1 Capillary tube ∅…

5-4. RAS-18NKD-E4 / RAS-18UA-E4, RAS-18NKDX4 / RAS-18UAX4

T Indoor unit Evaporator 0.39 m (Connecting pipe) ∅12.7 0.49 m (Connecting pipe) ∅6.35 Cross flow fan O.D.:12.7 mm O.D.:6.35 mm P Packed valve (∅12.7) Packed valve (∅6.35) Capillary tube ∅2.0x1400 s Compressor PH340X3C-4KT1 Dryer Condenser Refrigerant R22 1.17 kg Propeller fan Outdoor unit ) means…

T Indoor unit Evaporator 0.49 m (Connecting pipe) ∅6.35 0.39 m (Connecting pipe) ∅12.7 Cross flow fan O.D.:12.7 mm O.D.:6.35 mm P Packed valve (∅12.7) Packed valve (∅6.35) Capillary tube ∅2.0x1000 s Accumulator Capillary tube ∅0.8x1200 s Compressor PH340X3C-4KTS1 Condenser Refrigerant R22 1.20 kg…

Indoor unit Evaporator Cooling 0.39 m (Connecting pipe) ∅15.88 T 0.49 m (Connecting pipe) ∅6.35 Cross flow fan P O.D.:15.88 mm O.D.:6.35 mm Packed valve (∅15.88) Gas container connection (Reinstall etc.) Packed valve (∅6.35) Capillary tube ∅0.8x400 l Accumulator Capillary tube ∅2.4 x 1400 s…

5-7. RAS-18NKDX4-T2 / RAS-18UAX4-T2

Indoor unit Evaporator T 0.49 m (Connecting pipe) ∅6.35 0.39 m (Connecting pipe) ∅15.88 Cross flow fan O.D.:15.88 mm O.D.:6.35 mm P Packed valve (∅15.88) Packed valve (∅6.35) Capillary tube ∅2.0x800 s Accumulator Compressor PH290X2C-4FT1 Condenser Refrigerant R22 1.47 kg Propeller fan Mark ( Outdoor…

6. CONTROL BLOCK DIAGRAM

6-1. RAS-24NKHD-E4, RAS-18NKHD-E4 Indoor Unit Control Panel M.C.U. Operation Display Functions Heat Exchanger Sensor Temperature Sensor Infrared Rays Signal Receiver Initiallizing Circuit Infrared Rays Clock Frequency Oscillator Circuit • Louver Control Timer Display • 3-minute Delay at Restart for…

6-2. RAS-18NKD-E4 / RAS-18UA-E4, RAS-18NKDX4 / RAS-18UAX4

RAS-18NKD-AR4 / RAS-18UA-AR4, RAS-18NKDX4-T2 / RAS-18UAX4-T2 RAS-24NKD-E4 / RAS-24UA-E4, RAS-24NKDX4 / RAS-24UAX4 RAS-24NKD-AR4 / RAS-24UA-AR4, RAS-24NKDX4-T / RAS-24UAX3-T1 Indoor Unit Control Panel M.C.U. Heat Exchanger Sensor Temperature Sensor Infrared Rays Signal Receiver Initiallizing Circuit…

7. OPERATION DESCRIPTION

• Turning off the compressor and outdoor fan when the outdoor unit receives the shutdown command • Defrost control in heating operation (Temperature measurement by the outdoor heat exchanger and control for the four-way valve and the outdoor fan motor) *Heat pump Model only 7-1. Outline of Air…

7-2-2. Cooling operation

([MODE] button on the remote control is set to the cooling operation.) 7-2. Description of Operation Circuit (1) When turning on the breaker, the operation lamp blinks. This means that the power is on (or the power supply is cut off.) OFF OFF OFF ON Preset temp. OPERATION display lamp Fig. 7-2-2 +3…

(1) The compressor, 4-way valve, outdoor fan and

operation display lamp are controlled as shown in Fig. 7-2-6. 0.5 ON (Room temp.) OPERATION display lamp Outdoor fan OFF 4-way valve Compressor OFF ON Outdoor fan 0 +1 OFF ON OFF ON OPERATION display lamp Preset temp. ON OFF 0 4-way valve +2 Preset temp. Compressor (Room temp.) +3 °C (Preset temp.)…

(3) The indoor heat exchanger restricts revolving

speed of the fan motor to prevent a cold draft. The upper limit of the revolving speed is shown in Fig. 7-2-8 and Table 7-2-1. Manual (One of AUTO 5 steps) *4 SUL*3 *2 A+4 A+4 A-8 A-8 *6 L-H (Up to setting speed) 7-2-5. Automatic operation ([MODE] button on the remote control is set to the automatic…

(1) Operation flow chat

PAP START OPERATION LED ON PAP LED ON Less than 1 hour Indoor fan ON 1 Air-Purlfier OFF 1 hour later 2 Air-Purlfier ON Error after 1 minute 5 Error within 1 minute Operation confirm 3 PAP LED ON Air-Purifier OFF No error PAP LED ON Air-Purifier ON 6 10 minutes 500 hours FILTER LED ON Air-Purifier…

(2) The indoor fan motor and Plasma Air-Purifier operation

• When Plasma Air-Purifier has been operated with other operation of air conditioner mode (Fan only, AUTO, Cooling, Dry or Heat). The speed revolution of indoor fan is based upon the operated mode of air conditioner. In fact, Plasma Air-Purifier works continuously. • When the Plasma Air-Purifier is…

7-3. Hi POWER Mode

([Hi POWER] button on the remote control is pressed.) 7-4. High-Temperature Limit Control *Heat pump model only 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 control and the unit operates as…

7-6-1. Defrost starting condition

7-7. Auto Restart Function

7-7-1. How to set auto restart function The 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 power supply being accidentally shut down. The operation will resume without warning three minutes…

7-7-2. How to cancel auto restart function

To cancel auto restart function, proceed as follows: Repeat the setting prodedure: the unit receives the signal and beeps three times. The unit will be required to be turned on with the remote control after the main power supply is turned off. When the unit is on standby (Not operating) Operation…

7-9. Self-Cleaning function

Self-Cleaning function is designed to reduce humidity that causes mold to form inside the air conditioning unit. This advanced, efficient system reduces moisture in the coil. When you turn off your air conditioner, the internal fan activates and dries the moisture in the coil for 20 minutes, then…

7-10. QUIET Mode

Quiet mode is the system which, control the revolving speed of indoor fan to work constantly at lower than speed L. In addition, noise level of indoor unit is less than usual. When the [QUIET] button is pressed, the fan of the indoor unit will be restricted the revolving speed at speed L - until the…

8. INSTALLATION PROCEDURE

8-1. Safety Cautions For general public use Power supply cord of Outdoor unit shall be more than 4 mm2 (H07RN-F or 245 IEC66 : polychloroprene sheathed flexible cord) or 3.5 mm2 (AWG-12). CAUTION To Disconnect the Appliance from the Main Power Supply. This appliance must be connected to the main…

REQUIREMENT OF REPORT TO THE LOCAL POWER SUPPLIER

Please make absolutely sure that the installation of this appliance is reported to the local power supplier before installation. If you experience any problems, or if the installation is not accepted by the supplier, the service agency will take adequate countermeasures. Remark per EMC Directive…

mm 100 mm or more 8-2. Installation Diagram of Indoor and Outdoor Units For the rear left and left piping 1 Installation plate Hook or m ore Wall 170 m Hook m or Insert the cushion between the indoor unit and wall, and tilt the indoor unit for better operation. more Do not allow the drain hose to…

8-3. Installation

8-3-1. Optional installation parts Part Code Parts name Q'ty A Refrigerant piping Liquid side : ∅6.35 mm One Gas side : ∅12.70 mm (18 series except RAS-18NKDX4-T2 / RAS-18UAX4-T2) each : ∅15.88 mm (24 series and RAS-18NKDX4-T2 / RAS-18UAX4-T2) B Pipe insulating material (polyethylene foam, 6 mm…

8-3-2. Accessory and installation parts

Part No. Part name (Q'ty) 1 Part No. Part name (Q'ty) 4 Installation plate x Others Pan head wood screw ∅ 3.1 x 16 l x 2 Sasa-Zeolite plus filter x 2 6 Battery x 2 Mounting screw ∅ 4 x 25l x 8 Remote control holder x 1 Wireless remote control x 1 Part name (Q'ty) Part No. 9 Plasma air purifier x 1…

8-4-2. Cutting a hole and mounting installation

plate 8-4. Indoor Unit 8-4-1. Installation place • A place which provides the spaces around the indoor unit as shown in the above diagram. • A place where there is no obstacle near the air inlet and outlet. • A place that allows easy installation of the piping to the outdoor unit. • A place which…

<When the installation plate is directly mounted on

the wall> 1. Securely fit the installation plate onto the wall by screwing it in the upper and lower parts to hook up the indoor unit. 2. To mount the installation plate on a concrete wall with anchor bolts, utilize the anchor bolt holes as illustrated in the above figure. 3. Install the…

8-4-4. Wiring connection

CAUTION • Be sure to refer to the wiring system diagram labeled inside the front panel. • Check local electrical cords and also any specific wiring instructions or limitations. Air Inlet grille Front panel 2 1 Connecting cable abo ut 1 5 Fig. 8-4-6 Terminal block Cord clamp cm Earth line <Stripping…

8-4-5. Piping and Drain Hose Installation

<In case of rightward piping> To connect the pipe after installation of the unit (figure) (To the forefront of flare) • After scribing slits of the body-right by a knife or a making-off pin, cut them by a pair of nippers or the like. 400 mm 300 mm Liquid side Gas side 43 mm Outward form of indoor…

8-4-7. Drainage

8-4-6. Indoor unit fixing 1. Pass the pipe through the hole in the wall, and hook 1. Run the drain hose sloped downwards. the indoor unit on the installation plate at the upper NOTE hooks. 2. Swing the indoor unit to right and left to confirm that • Hole should be made at a slight downward slant on…

8-5. Outdoor Unit

8-5-2. Refrigerant piping connection 8-5-1. Installation place 1. Cut the pipe with a pipe cutter. • A place which provides the spaces around the outdoor unit as shown in the left diagram. • A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and…

Outer dia. of copper pipe Tightening torque ∅6.35 mm 16 to 18 (1.6 to 1.8 kgf·m) ∅12.70 mm 50 to 62 (5.0 to 6.2 kgf·m) ∅15.88 mm 65 to 80 (6.5 to 8.0 kgf·m) After the piping has been connected to the indoor unit, you can perform the air purge together at once. AIR PURGE Evacuate the air in the…

<Stripping length of connecting cable>

TO CHARGE REFRIGERANT RAS-24NKHD-E4 / RAS-24UAH-E4 RAS-18NKHD-E4 / RAS-18UAH-E4 RAS-24NKD-E4 / RAS-24UA-E4 RAS-18NKD-E4 / RAS-18UA-E4 RAS-24NKDX4 / RAS-24UAX4 RAS-18NKDX4 / RAS-18UAX4 RAS-18NKD-AR4 / RAS-18UA-AR4 RAS-24NKD-AR4 / RAS-24UA-AR4 RAS-24NKDX4-T/ RAS-24UAX3-T1 RAS-18NKDX4-T2 /…

2. Set the remote control selector switch with the

remote control 8-6. How to Set Remote Control Selector Switch When two indoor units as installed in seperated rooms, there is no need to change the selector switch. [B] is indicated on the liquid crystal display when setting remote control from A to B. [A] is not indicated on the display even if the…

8-7. Others

8-7-3. Auto restart setting 8-7-1. Gas leak test This product is designed so that, after a power failure, it can restart automatically in the same operating mode as before the power failure. Electric parts cover C D Information Flare nut connections (Indoor unit) The product was shipped with Auto…

9. TROUBLESHOOTING CHART

9-2-2. Incorrect cable connection between Indoor and outdoor units 9-1. Troubleshooting Procedure : Follow the details of 9-2. Basic Check Items. If there is no trouble corresponding to 9-2, check whether or not there are faulty parts following 9-4. Self-Diagnosis by Remote Control. The indoor unit…

9-3. Primary Judgement

9-3-2. Failure diagnosis 9-3-1. Role of indoor unit controller The indoor unit diagnoses the operation condition and indicates the information of the self-diagnosis with the lamps on the display panel of the indoor unit. The indoor unit controller receives the operation commands from the remote…

9-4. Self-Diagnosis by Remote Control

(Check Code) (1) If the lamps are indicated as shown B to G in Table 9-3-1, exchanger the self-diagnosis by the remote control. (2) When the remote control is set to the service mode, the indoor controller diagnoses the operation condition and indicate the information of the self-diagnosis on the…

Table 9-4-1

Block level Check code Block Indoor P.C. board Cable connection Outdoor P.C. board Other parts (including compressor) Diagnosis function Check code Symptom Unit status Condition Judgement and action The indoor thermo sensor (TA) is defective. Disconnection or short-circuit Operation continues. The…

9-5. How To Diagnose Faulty Parts

Operation Check item Conceivable principle cause [04 Serial signal error] (Heat pump model) Measure Item by symptoms Does outdoor unit operate? NO YES Are 1, 2 and 3 crossover wires connected properly? NO Connect crossover wires properly. NO Connect connector properly. YES Is connector connected…

[09 Other cycle error] (1) (Heat pump model)

Does compressor operate? NO YES Is compressor turned off shortly? YES NO Does inner overload relay (in compressor) operate? Check charged amount of refrigerant. Check defective overload. Check compressor. YES NO NO Failure Is TC sensor resistance value (10 kΩ at 25°C) normal? Replace compressor. YES…

[0C Indoor TA sensor error]

[19 outdoor TD sensor error] (Heat pump model)

Is TD sensor connected properly? Connect connector properly. NO YES Is TD sensor resistance value (50 kΩ at 25°C) normal? NO Replace TD sensor. YES Outdoor P.C. board is defective. Replace P.C. board. [1E Discharge temp. error] (Heat pump model) Is protective controller such as discharge thermostat…

9-6. Troubleshooting for Indoor unit

Operation 9-6-1. Power can not be turned on. (The unit does not operate at all.) Check item <Primar check> (1) Is the supply voltage normal? (2) Is the connection to the AC output OK? (3) Is the fuse (F01) blown? Conceivable principle cause Measure Item by symptoms Turn off power supply once, and 5…

9-6-2. Only the indoor fan does not operate

<Primary chec k> (1) Is it possible to detect the power supply voltage (200 −240V) between 1 and 2 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 5 minutes after it is turned on, to…

9-6-3. Compressor does not operate

<Primary check> (1) Is the preset temperature higher than the room temperature in cooling operation? (2) Is the crossover cable connected properly? <Inspection procedure> Turn on power supply. Does OPERATION lamp blink? Refer to 9-6-1 “Power can not be turned on”. NO YES Does miniature relay RY04…

<Inspection procedure>

- Cooling model Turn on power supply. Does OPERATION lamp blink? Refer to item Power can not be turned on . NO YES Is it possible to start unit by remote control? Refer to 9-9 Troubleshooting for Remote Control . NO YES Is it possible to detect AC 200V between 2 and 3 on terminal block? NO Replace…

<Inspection procedure)

- Heating model - AC 70-100V Replace transformer outdoor P.C. board. − 69 −

YES

Are all of compressor cords normal? NO Rewire or replace defective cords. YES Is compressor motor winding normal? (Check winding resistor.) NO Compressor is defective. Replace compressor. Capacitor is defective. Replace capacitor. Overload relay is defective. Replace overload relay. Compressor is…

9-7. Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire)

9-7-1. Outdoor unit does not operate. <Inspection procedure> (1) Is the voltage between 1 and 2 of the indoor terminal block varied? (2) Are signals from the indoor unit to the outdoor unit transmitted correctly based upon the following diagram? NOTE: Measure the voltage for 2 minutes and 30 seconds…

9-8. Troubleshooting for Air Purifier and Minus Ion

9-8-1. 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 lamp blink? NO To item Power supply is not turned on YES Primary check Turn off the power breaker and remove CN34 (Micro switch connector).…

9-8-2. How to Check Whether the Minus Ion Generator is Good or Not

Turn off the power breaker once, and turn on again after 10 seconds. Does the OPERATION lamp blink? NO To item Power supply is not turned on YES Primary check Turn off the power breaker and remove CN34 (Micro switch connector). Short-circuit between 1 and 2 pin of CN34 at PC side, and turn on the…

9-9. Troubleshooting for P.C. board

9-9-1. How to check indoor P.C. board <Cautions for handling P.C. board> (1) When removing the front panel and the P.C. board, be sure to turn off the power supply. (2) When removing the P.C. board, hold the edge of the P.C. board and do not apply force to the parts. (3) When connecting or…

No

Procedure Check points Causes 5 Press [ ] button once to start the unit. • Shorten the time of the restart delay timer. • Set the operation mode to COOL. • Set the fan speed level to AUTO. • Set the preset temperature much lower than the room temperature. (The unit (compressor) operates continuously…

9-10. Troubleshooting for Remote Control

The unit does not beep at all. OPERATION lamp on indoor unit is not indicated. Press [ ] button. Is transmission mark indicated? NO YES Is receiver on indoor unit exposed to direct sunlight? Press RESET button on remote control with tip of pencil. NO YES Is there any thyristor fluorescent light…

10. PART REPLACEMENT

10-1. Indoor Unit No. 1 Part name Front panel Procedures Remarks How to remove the front panel 1) Stop the operation of the air conditioner and turn off its main power supply. 2) Pull the inlet grille toward you to open it and remove the inlet grille. (2) 3) Take off the right side of air filter. 4)…

No

Part name 3 Horizontal grille 4 Heat exchanger Procedures Remarks 1) Remove center 2 shafts of the horizontal grille from the back body. 2) Remove left shaft of the horizontal grille from the back body. 3) Remove the horizontal grille from the back body. 1) Remove the front panel, electrical parts…

10-2. Outdoor Unit (RAS-24UAH-E4, RAS-24UA-E4, RAS-24UAX4, RAS-24UA-AR4,

RAS-24UAX3-T1, RAS-18UAX4-T2) No. 1 Part name Common procedure Procedures 1) Stop the operation of the air conditioner and turn off its main power supply or remove the power supply cord. 2) Remove the electrical parts cover. (4 screws ∅4 x 10L) 3) Remove 2 cord clamps (4 screws ∅4 x 22L) and…

10-3 Outdoor Unit (RAS-18UAH-E4)

No. 1 Part name Common procedure Procedures Remarks 1) Stop the operation of the air conditioner and turn off its main power supply or remove the power supply cord. 2) Remove the electrical parts cover. (4 screws ∅ 4 x 10L) Remove 3) Remove 2 cord clamps (4 screws ∅ 4 x 22L) and 8 screws Ø4 x 10L…

10-4 Outdoor Unit (RAS-18UA-E4, RAS-18UAX4, RAS-18UA-AR4)

No. 1 Part name Common procedure Procedures Remarks 1) Stop the operation of the air conditioner and turn off its main power supply or remove the power supply cord. 2) Remove the packed valved cover and the electrical Parts cover (3 screws ∅ 4 x 10L) 3) Remove 2 cord clamps (4 screws ∅ 4 x 22L) and…

11. EXPLODED VIEWS AND PARTS LIST

11-1. Indoor Unit (E-Parts Assy) Location Part No. No. 43T60002 43T50004 43T69005 43T69482 43T62003 43T62003 43T60355 43T69454 Description Location Part No. No. 411 43T69455 411 411 43T69456 43T69457 411 412 43T69458 43T51305 TERMINAL BLOCK; 3P SENSOR; HEAT EXCHANGER SENSOR;THERMOSTAT PC BOARD ASSY…

11-2. Indoor Unit

Electric Parts Assembly 236 202 Location No. Part No. Description 43T00412 43T09353 43T80306 43T80313 43T03010 43T03011 43T03012 43T09345 43T70301 43T21302 43T44310 43T44311 43T47311 43T47016 43T49010 43T19003 43T49009 43T49036 43T49039 43T49038 43T49037 43T79007 43T39306 43T21346 43T20309 43T22002…

11-3. Outdoor Unit (RAS-24UAH-E4)

11-4. Outdoor Unit (RAS-18UAH-E4)

11-5. Outdoor Unit (RAS-24UA-E4, RAS-24UAX4, RAS-24UAX3-T1)

11-6. Outdoor Unit (RAS-24UA-AR4)

11-7. Outdoor Unit (RAS-18UAX4-T2)

11-8. Outdoor Unit (RAS-18UA-E4, RAS-18UAX4)

Location No. Part No. 43T00368 43T03308 43T42317 43T09318 43T62311 43T20307 43T21345 43T47001 43T43359 43T46308 43T46019 43T47331 43T47333 Description Location No. Part No. 43T63303 43T47013 43T41371 43T47324 43T49008 43T52310 43T00396 43T55322 43T55325 43T60352 43T52302 Cabinet, Front Assembly…

11-9. Outdoor Unit (RAS-18UA-AR4)

Location No. Part No. 43T00368 43T03308 43T42317 43T09318 43T62311 43T20307 43T21348 43T47001 43T43360 43T46308 43T46019 43T47331 43T47333 Description Location No. Part No. 43T63303 43T47013 43T41372 43T47324 43T49008 43T52310 43T00396 43T55326 43T55324 43T60352 27 43T52302 Magnetic Contactor…

FILE NO. SVM-03010(1)

TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND. – 87 –

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

Текст инструкции

Новое в каталогах

Новое в инструкциях