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FILE NO. SVM-03010(1)

5. REFRIGERATION CYCLE DIAGRAM

5-1. RAS-24UKHP-E-1 / RAS-24UAH-E-1

Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
*1 : During heating overload, the high temperature limit control operation is included.

Ambient temp.

conditions DB/WB

(°C)

Indoor

Outdoor

Standard

0.4

43.0

High

20/–

7/6

Heating

High temperature

0.5 ~ 0.7

52.0 ~ 59.0

Low

27/–

24/18

Low temperature*1

0.3

36.0

High

20/–

–10/–10

Standard

0.4

11.0

High

27/19

35/24

Cooling

High temperature

0.5

12.0

High

32/23

43/26

Low temperature

0.3

1.0

Low

21/15

Standard

pressure P

(MPaG)

Surface temp. of heat

exchanger interchanging

pipe T (°C)

Fan speed

(indoor)

50 Hz

Evaporator

Indoor unit

Cross flow fan

Cooling

Heating

4-way valve

Heating Cooling

Compressor

Condenser

Propeller fan

Outdoor unit

PH310X3-4MM

Accumulator

Cooling
Heating

Mark ( ) means check points of Gas Leak

O.D.:15.88 mm

O.D.:6.35 mm

Cooling

Heating

Gas container connection (Reinstall etc.)

Packed valve

(

∅

6.35)

Packed valve

(

∅

15.88)

0.39 m
(Connecting pipe)

∅

15.88

0.49 m
(Connecting pipe)

∅

6.35

Refrigerant
R22 1.63 kg

Capillary tube

∅

0.8x500

Capillary tube

∅

2.4x1400

Содержание RAS-18UA-AR2

Страница 1: ...UAH E 1 RAS 18UKHP E2 RAS 18UAH E2 RAS 24UKP E 1 RAS 24UA E 1 RAS 24UKPX 1 RAS 24UAX 1 RAS 24UKP AR 1 RAS 24UA AR 1 RAS 24UKPX T 1 RAS 24UAX T 1 RAS 18UKP E2 RAS 18UA E2 RAS 18UKPX2 RAS 18UAX2 RAS 18UKP AR2 RAS 18UA AR2 RAS 18UKPX2 T2 RAS 18UAX2 T2 18 Class Heat pump model 24 Class 18 Class Cooling only model ...

Страница 2: ...Indoor Unit RAS 24UKP E 1 RAS 24UKPX 1 RAS 24UKP AR 1 RAS 24UKPX T 1 RAS 18UKP E2 RAS 18UKPX2 RAS 18UKP AR2 RAS 18UKPX2 T2 4 5 Outdoor Unit RAS 24UA E 1 RAS 24UA AR 1 4 6 Outdoor Unit RAS 24UAX 1 RAS 24UAX T 1 4 7 Outdoor Unit RAS 18UA E2 4 8 Outdoor Unit RAS 18UAX2 4 9 Outdoor Unit RAS 18UA AR2 4 10 Outdoor Unit RAS 18UAX2 T2 5 REFRIGERATION CYCLE DIAGRAM 5 1 RAS 24UKHP E 1 RAS 24UAH E 1 5 2 RAS ...

Страница 3: ...f Diagnosis by Remote Control Check Code 9 5 How to Diagnose Faulty Part 9 6 Troubleshooting for Indoor Unit 9 7 Troubleshooting for Wiring Interconnect cable and Serial Signal Wire 9 8 Troubleshooting for P C Board 9 9 Troubleshooting for Remote Control 10 PARTS REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit RAS 24UAH E 1 RAS 24UA E 1 RAS 24UAX 1 RAS 24UA AR 1 RAS 24UAX T 1 RAS 18UAX2 T2 10 3 Out...

Страница 4: ...ry tube Gas side size mm 15 88 Connection type Flare connection Liquid side size mm 6 35 Interconnection Connection type Flare connection pipe Maximum length m 15 1 One way 25 2 Maximum height m 10 difference INDOOR UNIT RAS 24UKHP E 1 RAS 24UKP E 1 RAS 24UKPX 1 RAS 24UKP AR 1 RAS 24UKPX T 1 Height mm 298 Dimensions Width mm 998 Depth mm 208 Net weight kg 12 Evaporator type Finned tube Indoor fan ...

Страница 5: ...y tube Gas side size mm 12 7 15 88 Connection type Flare connection Liquid side size mm 6 35 Interconnection Connection type Flare connection pipe Maximum length m 15 1 One way 20 2 Maximum height m 8 difference INDOOR UNIT RAS 18UKHP E2 RAS 18UKP E2 RAS 18UKPX2 RAS 18UKP AR2 RAS 18UKPX2 T2 Height mm 298 Dimensions Width mm 998 Depth mm 208 Net weight kg 12 Evaporator type Finned tube Indoor fan t...

Страница 6: ...1 RAS 24UAX 1 RAS 18UKPX2 RAS 18UAX2 RAS 24UKP AR 1 RAS 24UA AR 1 RAS 18UKP AR2 RAS 18UA AR2 RAS 24UKPX T 1 RAS 24UAX T 1 RAS 18UKPX T2 RAS 18UAX2 T2 1 No need to charge 15 m or less 15 m or less extra refrigerant 2 Need to charge Over 15 m up to 25 m 20 g m Over 15 m up to 20 m 20 g m extra refrigerant Temperature Condition JIS C9612 1994 Cooling Heating Indoor unit inlet air temperature DB 27 C ...

Страница 7: ...3 5 55 55 55 41 29 57 18 160 6 5 8 Back body Knock out system Front panel Grille inlet Knock out system Connection pipe 0 39 m For 24 series and RAS 18UKPX2 T2 Flare 15 88 For 18 series except RAS 18UKPX2 T2 Flare 12 7 Connection pipe 0 49 m Wireless remote control Flare 6 35 For stud bolt 6 For stud bolt 8 10 Drain hose 0 54 m Installation Plate outline Outline of indoor unit ...

Страница 8: ... 74 140 88 310 340 340 pitch 12 12 364 A 12x18 hole A Detail Drawing 25 Drain outlet 52 Handle Installation dimension 600 100 or more 100 or more 600 or more 600 or more Air outlet Air inlet Electric Parts cover Liquid side Flare 6 35 Gas side Flare 15 88 Service Port 600 340 23 68 Handle 4 12x18 for 8 10 anchor bolt 4 12x18 holes for 8 10 anchor bolt ...

Страница 9: ... cover Liquid side Flare 6 35 Gas side Flare 12 7 Installation dimension 100 or more Air inlet 600 or more 100 or more Air inlet Air outlet 600 or more 600 50 35 600 344 325 91 54 60 50 90 600 830 90 120 52 23 325 Handle 538 300 Service Port 4x 11x14 for 8 10 anchor bolt 8 6 holes for fixing outdoor unit 6 11x14 holes for 8 10 anchor bolt ...

Страница 10: ...ing outdoor unit A 325 120 Liquid side Flare 6 35 Gas side Flare 12 7 52 5 Service Port Electric parts cover 344 27 130 100 Installation dimension 100 or more Air inlet 600 or more 100 or more Air inlet Air outlet 600 or more 600 325 23 301 325 11x14 hole 6 hole R10 600 Detail Drawing 50 35 A 4x 11x14 for 8 10 anchor bolt 4 11x14 hole for 8 10 anchor bolt ...

Страница 11: ...01 R09 R21 R22 BLK P04 SG01 DSA VARISTOR T6 3A 250 V IC02 DISCHARGE PIPE SENSOR TD HEAT EXCHANGER SENSOR TE CN08 CN07 BLU BLU BLK BLK 1 1 2 3 3 1 1 2 3 3 DC15V DC0V DC12V DC7V DC0V 3 1 2 i L N 3 1 2 i FERRITE CORE GRN YEL RED RED BLK BLK MAGNETIC CONTACTOR R A1 A2 52C U S V T W PNK WHI COMPRESSOR TERMINAL BLK S R C WHI BLK BLK COIL FOR 4 WAY VALVE RED RED RED CAPACITOR 1 L1 2 T1 3 L2 4 T2 5 L3 6 T...

Страница 12: ... IC01 IC T01 IC04 C15 CN23 BLK WHI RED GRN YEL CN30 CN31 C01 R01 R09 R21 R22 BLK P04 SG01 DSA VARISTOR T6 3A 250 V IC02 DC15V DC0V DC12V DC7V DC0V DISCHARGE PIPE SENSOR TD HEAT EXCHANGER SENSOR TE CN08 CN07 BLU BLU BLK BLK 1 1 2 3 3 1 1 2 3 3 3 1 2 i L N 3 1 2 i FERRITE CORE GRN YEL RED RED BLK BLK RELAY 11 12 13 14 15 16 PNK WHI COMPRESSOR TERMINAL BLK S R C WHI BLK BLK RED RED RED CAPACITOR CAPA...

Страница 13: ... CN25 CN13 BLK BLK BLK BLK F01 FUSE RY04 DB01 FAN MOTOR LOUVER MOTOR MAIN P C BOARD MCC 821 L01 BLU BLU BLU BLU BLU BLU BLU BLU WHI DC MOTOR CN 07 CN 10 C02 C06 IC02 IC01 IC T01 IC04 C15 BLK WHI GRN YEL RED C01 R01 R09 R21 R22 BLK P04 SG01 DSA VARISTOR T6 3A 250 V DC15V DC0V DC12V DC7V DC0V CN30 CN31 CN27 GREEN GRN YELLOW 3 1 2 i L N 3 1 2 i GRN YEL RED RED RED RED BLK BLK CHASSIS GRY POWER SUPPLY...

Страница 14: ...K BLK F01 FUSE RY04 DB01 FAN MOTOR LOUVER MOTOR MAIN P C BOARD MCC 821 L01 BLU BLU BLU BLU BLU BLU BLU BLU WHI DC MOTOR CN 07 CN 10 C02 C06 IC02 IC01 IC T01 IC04 C15 BLK WHI GRN YEL RED C01 R01 R09 R21 R22 BLK P04 SG01 DSA VARISTOR T6 3A 250 V DC15V DC0V DC12V DC7V DC0V CN30 CN31 CN27 GREEN GRN YELLOW 3 1 2 i L N 3 1 2 i GRN YEL RED RED RED RED BLK BLK CHASSIS GRY POWER SUPPLY 220 240 V 50 Hz 220 ...

Страница 15: ...1 2 1 2 CN03 CN01 CN25 CN13 BLK BLK BLK BLK F01 FUSE DB01 FAN MOTOR LOUVER MOTOR MAIN P C BOARD MCC 821 L01 BLU BLU BLU BLU BLU BLU BLU BLU WHI DC MOTOR CN 07 CN 10 C02 C06 IC02 IC01 IC T01 IC04 C15 BLK WHI GRN YEL RED CN30 CN31 CN27 C01 R01 R09 R21 R22 BLK P04 SG01 DSA VARISTOR T6 3A 250 V DC15V DC0V DC12V DC7V DC0V RY04 3 1 2 i L N 3 1 2 i GRN YEL RED RED GRY RED BLK BLK BLK BLK BLK GRN YEL CHAS...

Страница 16: ...2 CN03 CN01 CN25 CN13 BLK BLK BLK BLK F01 FUSE DB01 FAN MOTOR LOUVER MOTOR MAIN P C BOARD MCC 821 L01 BLU BLU BLU BLU BLU BLU BLU BLU WHI DC MOTOR CN 07 CN 10 C02 C06 IC02 IC01 IC T01 IC04 C15 BLK WHI GRN YEL RED CN30 CN31 CN27 C01 R01 R09 R21 R22 BLK P04 SG01 DSA VARISTOR T6 3A 250 V DC15V DC0V DC12V DC7V DC0V RY04 3 1 2 i L N 3 1 2 i GRN YEL RED RED GRY RED BLK BLK BLK BLK GRN YEL CHASSIS POWER ...

Страница 17: ...2 CN03 CN01 CN25 CN13 BLK BLK BLK BLK F01 FUSE DB01 FAN MOTOR LOUVER MOTOR MAIN P C BOARD MCC 821 L01 BLU BLU BLU BLU BLU BLU BLU BLU WHI DC MOTOR CN 07 CN 10 C02 C06 IC02 IC01 IC T01 IC04 C15 BLK WHI GRN YEL RED CN30 CN31 CN27 C01 R01 R09 R21 R22 BLK P04 SG01 DSA VARISTOR T6 3A 250 V DC15V DC0V DC12V DC7V DC0V RY04 3 1 2 i L N 3 1 2 i GRN YEL RED RED GRY RED BLK BLK BLK BLK GRN YEL CHASSIS POWER ...

Страница 18: ...BLK BLK BLK BLK F01 FUSE RY04 DB01 FAN MOTOR LOUVER MOTOR MAIN P C BOARD MCC 821 L01 BLU BLU BLU BLU BLU BLU BLU BLU WHI DC MOTOR CN 07 CN 10 C02 C06 IC02 IC01 IC T01 IC04 C15 BLK WHI GRN YEL RED C01 R01 R09 R21 R22 BLK P04 SG01 DSA VARISTOR T6 3A 250 V DC15V DC0V DC12V DC7V DC0V CN30 CN31 CN27 GREEN GRN YELLOW 3 1 2 i L N 3 1 2 i GRN YEL RED RED RED RED BLK BLK CHASSIS GRY POWER SUPPLY 220 V 50 H...

Страница 19: ...R01 RF 5TK4R7 4 7 Ω 5 W 13 Louver motor MP35EA12 Output Rated 2 W 10 poles 1 phase DC 12 V 4 2 Outdoor Unit RAS 24UAH E 1 No Parts name Type Specifications Output Rated 2200 W 2 poles 1 phase 220 240 V 50 Hz 1 Compressor PH310X3 4MM Winding resistance Ω C R C S at 20 C 0 8 2 16 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz 2 Fan motor for outdoor KFG6 71SB5P T1 Winding resistance Ω Red Black W...

Страница 20: ...istor R73 R74 R86 15G471K 470 V 11 Fuse F01 MT3 T6 3 A 250 V 4 4 Indoor Unit RAS 24UKP E 1 RAS 24UKPX 1 RAS 24UKP AR 1 RAS 24UKPX T 1 RAS 18UKP E2 RAS 18UKPX2 RAS 18UKP AR2 RAS 18UKPX2 T2 No Parts name Type Specifications 1 Fan motor for indoor ICF 340 30 2 DC 340 V 30 W 2 Thermo sensor TA sensor 10 kΩ at 25 C 3 DC DC transformer T01 SWT 58A DC 390 V Secondary DC 15 V 12 V 7 V 4 Microcontroller TM...

Страница 21: ...µF 4 RAS 24UA E 1 SK C2CMP45U1 S AC 420 V 45µF RAS 24UA AR 1 5 Magnetic contactor A35 220 240 V 50 Hz 4 6 Outdoor Unit RAS 24UAX 1 RAS 24UAX T 1 No Parts name Type Specifications Output Rated 2200 W 2 poles 1 phase 220 240 V 50 Hz 1 Compressor 2JS386D5BB02 Winding resistance Ω C R C S at 20 C 0 886 1 979 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz 2 Fan motor for outdoor KFG6 71SB5P T Windin...

Страница 22: ...nding resistance Ω C R C S at 20 C 0 981 2 845 Output Rated 42 W 6 poles 1 phase 220 240 V 50 Hz 2 Fan motor for outdoor HF 240 42B 1 Winding resistance Ω Red Black White Black at 20 C 176 2 290 5 3 Running capacitor 451205KQ AC 450 V 2µF for fan motor 4 Running capacitor 371456JCR AC 370 V 45µF for compressor 5 Magnetic contactor CLK 26J 220 240 V 50 Hz 4 9 Outdoor Unit RAS 18UA AR2 No Parts name...

Страница 23: ...T2 4L7 Winding resistance Ω C R C S at 20 C 1 07 2 20 Output Rated 65 W 6 poles 1 phase 220 240 V 50 Hz 2 Fan motor for outdoor KFG6 71SB5P T Winding resistance Ω Red Black White Black at 20 C 64 4 127 4 3 Running capacitor 451355KQ AC 450 V 3 5µF for fan motor 4 Running capacitor 371356JCR AC 420 V 35µF for compressor 5 Magnetic contactor A35 220 240 V 50 Hz ...

Страница 24: ... 19 35 24 Cooling High temperature 0 5 12 0 High 32 23 43 26 Low temperature 0 3 1 0 Low 21 15 21 15 Standard pressure P MPaG Surface temp of heat exchanger interchanging pipe T C Fan speed indoor 50 Hz Evaporator Indoor unit Cross flow fan Cooling Heating 4 way valve Heating Cooling Compressor Condenser Propeller fan Outdoor unit PH310X3 4MM Accumulator Cooling Heating Mark means check points of ...

Страница 25: ...apillary tube 1 2x1500 s Capillary tube 2 0x1200 s 5 2 RAS 18UKHP E2 RAS 18UAH E2 Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor 1 During heating overload the high temperature limit control operation is included Ambient temp conditions DB WB C Indoor Outdoor Standard 0 4 45 0 High 20 7 6 Heating High temperature 1 0 5 0 6 49 0 58 0 Low 27 24 18 Low temper...

Страница 26: ...ture 0 3 1 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standard pressure P MPaG Evaporator Indoor unit Cross flow fan Cooling Cooling Compressor Condenser Propeller fan Outdoor unit PH280X3 4MS Accumulator Cooling O D 15 88 mm O D 6 35 mm Cooling Gas container connection Reinstall etc Packed valve 6 35 Packed valve 15 88 0 39 m Connecting pipe 15 88 0 49 m Connecting pipe 6 35 T P Refrigerant R22 1 6...

Страница 27: ...ll etc Packed valve 6 35 Packed valve 15 88 0 39 m Connecting pipe 15 88 0 49 m Connecting pipe 6 35 T P Refrigerant R22 1 63 kg Mark means check points of Gas Leak Capillary tube 2 0 x650 s SASO Standard s condition Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions DB WB C Indoor Outdoor Standard 0 4 11 0 High 27 19 35 24 Cooling Hig...

Страница 28: ...igh 32 23 43 26 Low temperature 0 3 2 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standard pressure P MPaG Indoor unit Cross flow fan Compressor Condenser Propeller fan Outdoor unit PH250X3 4LM O D 12 7 mm O D 6 35 mm Packed valve 12 7 Packed valve 6 35 T P Refrigerant R22 1 06 kg Evaporator 0 39 m Connecting pipe 12 7 0 49 m Connecting pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 4...

Страница 29: ...e 12 7 0 49 m Connecting pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 0x600 s Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions DB WB C Indoor Outdoor Standard 0 4 11 0 High 27 19 35 24 Cooling High temperature 0 5 13 0 High 32 23 43 26 Low temperature 0 3 2 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standard pressure ...

Страница 30: ... m Connecting pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 0x1000 s Capillary tube 0 8x900 s Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions DB WB C Indoor Outdoor Standard 0 4 10 0 High 27 19 35 24 Cooling High temperature 0 6 13 0 High 32 23 52 31 Low temperature 0 3 2 0 Low 21 15 21 15 Fan speed indoor 50 Hz Sta...

Страница 31: ...49 m Connecting pipe 6 35 Mark means check points of Gas Leak Capillary tube 2 0x800 s Accumulator Note Measure the heat exchanger temperature at the center of U bend By means of TC sensor Ambient temp conditions DB WB C Indoor Outdoor Standard 0 4 10 0 High 27 19 35 24 Cooling High temperature 0 6 12 0 High 32 23 43 26 Low temperature 0 3 2 0 Low 21 15 21 15 Fan speed indoor 50 Hz Standard pressu...

Страница 32: ...emperature Sensor Infrared Rays Signal Receiver Initiallizing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Noise Filter From Outdoor Unit 220 240 V AC 50 Hz M C U Functions Louver Control 3 minute Delay at Restart for Compressor Motor Revolution Control Processing Timer Serial Signal Communication Louver ON OFF Signal Louver Driver Serial Signal Transmitter Receiver Serial Signa...

Страница 33: ...utdoor Unit Outdoor unit ON OFF Signal Relay Driver Indoor Unit Control Panel Temperature Sensor Infrared Rays Signal Receiver Initiallizing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Noise Filter From Outdoor Unit 220 240 V AC 50 Hz Except RAS 24UKPX T 1 RAS 24UAX T 1 RAS 18UKPX2 T2 RAS 18UAX2 T2 model 220 V AC 50 Hz For RAS 24UKPX T 1 RAS 24UAX T 1 RAS 18UKPX2 T2 RAS 18UAX2 ...

Страница 34: ...peration commands from the indoor unit and operates the outdoor fan motor and the compressor 1 Role of indoor unit controller The indoor unit controller receives the operation commands from the remote control and executes them Temperature measurement at the air inlet of the indoor heat exchanger by the indoor temperature sensor Temperature setting of the indoor heat exchanger by the heat exchanger...

Страница 35: ...w NOTE 1 The values marked with 1 are calculated and controlled by the difference in motor speed between M and L Fig 7 2 1 Setting of air flow FAN AUTO 2 ECO operation cannot be set 7 2 2 Cooling operation MODE button on the remote control is set to the cooling operation 1 The compressor 4 way valve outdoor fan and operation display lamp are controlled as shown in Fig 7 2 2 Fig 7 2 2 2 When FAN bu...

Страница 36: ... Fig 7 2 4 2 The microprocessor turns the compressor on and off at the regular intervals 4 to 6 minutes While the compressor is turning off the indoor fan motor operates in the SUPER LOW position The pattern of operation depending on the relation between room temperature and preset temperatures is shown in Fig 7 2 5 Fig 7 2 5 3 FAN button on the remote control is set to AUTO only 4 The ECO and Hi ...

Страница 37: ...ly or Heating is selected according to difference between the preset temperature and the room temperature at which the automatic operation has started as shown in Fig 7 2 9 The Fan only operation continues until the room temperature reaches a level at which another mode is selected 2 Temporary Auto When the TEMPORARY button on the indoor unit is pushed the preset temperature is fixed at 24 C and t...

Страница 38: ...set temperature is higher 2 C 4 The Hi POWER mode can not be set in Dry or Fan only operation 7 4 High Temperature Limit Control Heat pump model only The microcontroller detects the indoor heat exchanger temperature to prevent pressure of a refrigerating cycle from increasing excessively The compressor and outdoor fan motor are controlled as shown in Fig 7 4 1 Fig 7 4 1 7 5 Low Temperature Limit C...

Страница 39: ...to restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Push the TEMPORARY button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down While the filter chec...

Страница 40: ...w to turn off filter check lamp Press FILTER button on the remote control OR push TEMPORARY button on the indoor unit Note If TEMPORARY button is pushed while the filter check lamp is not indicating the indoor unit will start the Automatic Operation Operation Motions Push TEMPORARY button for more The unit is on standby than three seconds The unit starts to operate The orange lamp is on After appr...

Страница 41: ...ight of the unit Personal injury and property damage can result if the unit falls Before doing the electrical work attach an approved plug to the power supply cord Also make sure the equipment is properly earthed Appliance shall be installed in accordance with national wiring regulations If you detect any damage do not install the unit Contact your TOSHIBA dealer immediately CAUTION Exposure of un...

Страница 42: ...rt of the compressor technical process following installation conditions do apply 1 The power connection for the air conditioner has to be done at the main power distribution This distribution has to be of an impedance Normally the required impedance is reached at a 32A fusing point Air conditioner fuse has to be 16A max 2 No other equipment should be connected to this power line 3 For detailed in...

Страница 43: ...ing Insert the cushion between the indoor unit and wall and lift the indoor unit for better operation Wall The auxiliary piping can be connected the left rear left rear right or bottom Insulate the refrigerant pipes separately with insulation not together 6 mm thick heat resisting polyethylene foam Left Rear left Right Rear Bottom Attach to the front panel Attach to the air filter 6 Zeolite filter...

Страница 44: ...likely to be exposed to a strong wind Use 8 mm or 10 mm anchor bolts and nuts If it is necessary to drain the defrost water attach drain nipple to the bottom plate of the outdoor unit before installing it Part Code A B C Q ty One each 1 One each Parts name Refrigerant piping Liquid side 6 35 mm Gas side 12 70 mm 18 series except RAS 18UKPX2 T2 RAS 18UAX2 T2 15 88 mm 24 series and RAS 18UKPX2 T2 RA...

Страница 45: ...rt No 4 5 6 Part No 7 8 9 Others Name Owner s manual Installation manual The part marked with asterisk is packaged with the outdoor unit This model is not equipped with an extension drain hose Option For the extension drain hose use an optionally available RB 821SW or commercially available one Part name Q ty Purifying filter x 2 Mounting screw 4 x 25 s x 8 Pan head wood screw 3 1 x 16 s x 2 Drain...

Страница 46: ...earest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote control should be determined as shown below Fig 8 4 1 5 m 5 m 45 45 75 7 m 7 m Top view Indoor unit Axial distance Reception range Reception range Remote control Indoor unit Remote control Side view 8 4 2 Cutting a hole and mounting installation plate Cutting a hole Wh...

Страница 47: ...sult in personal injury and property damage if the unit falls In case of block brick concrete or similar type walls make 5 mm dia holes in the wall Insert clip anchors for appropriate mounting screws 8 NOTE Secure four corners and lower parts of the installation plate with 6 to 8 mounting screws to install it Installation plate Keep horizontal direction 8 4 3 Electrical work 1 The supply voltage m...

Страница 48: ...onnecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit Front panel Earth line Connecting cable 2 1 Cord clamp Terminal block Screw Terminal cover Screw Air Inlet grille 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 limitat...

Страница 49: ...on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them 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 Carefully arrange pipes so that any pipe does not stick ou...

Страница 50: ...om Drain hose Shield pipe Extension drain hose Wall Drain guide Space for pipes Do not put the drain hose end in the drainage ditch Do not form the drain hose into a wavy shape Do not put the drain hose end into water Do not rise the drain hose 50 mm or more 8 4 6 Indoor unit fixing 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hooks 2...

Страница 51: ...ng wind like a coast or on a high story of a building secure the normal fan operation using a duct or a wind shield 3 Specially in windy area install the unit to prevent the admission of wind 4 Installation in the following places may result in trouble Do not install the unit in such places A place full of machine oil A saline place such as the coast A place full of sulfide gas A place where high ...

Страница 52: ... 101 kPa 76 cmHg 5 Close the low pressure side valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both side of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Fig 8 5 6 Use a wrench to secure Unit N m Use a torque wrench to tighten Flare nut Half union Externally threaded side Internally threaded side Fla...

Страница 53: ... RAS 18UKPX2 RAS 18UAX2 RAS 24UKP AR 1 RAS 24UA AR 1 RAS 18UKP AR2 RAS 18UA AR2 RAS 24UKPX T 1 RAS 24UAX T 1 RAS 18UKPX2 T2 RAS 18UAX2 T2 No need to charge 15 m or less 15 m or less extra refrigerant Need to charge Over 15 m up to Over 15 m up to extra refrigerant 25 m 20 g m 20 m 20 g m A Hexagonal wrench is required Stripping length of connecting cable Fig 8 5 8 CAUTION Wrong wiring connection m...

Страница 54: ...and Front panel Refer to page 74 10 1 3 Select the terminal of selector switch from A position to B position Fig 8 6 1 2 Set the remote control selector switch with the remote control B is indicated on the liquid crystal display when setting remote control selector switch to B A is not indicated on the display even if the selector switch is set to A 1 Load the remote control with the batteries 2 P...

Страница 55: ... connections Indoor unit Valve stem cap connection TEMPORARY button D C A B 8 7 3 Auto restart setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure Information The product was shipped with Auto Restart function in the off position Turn it on as required How to set the auto restart Press and hold the TEMPO...

Страница 56: ... turned on 8 The operation mode changes in the Automatic operation 9 The Fan only operation continues in the Automatic operation 10 The ECO operation or Hi POWER operation does not work 11 When Hi POWER button is pressed the display on the remote control does not change at all No Operation of air conditioner Descriptions The OPERATION lamp blinks to indicate that power is turned on If the START ST...

Страница 57: ... Hz E OPERATION lamp is blinking 5 Hz F OPERATION and TIMER lamps are blinking 5 Hz G OPERATION TIMER and PRE DEF or FAN ONLY for cooling only model lamps are blinking Table 9 3 2 Diagnosis by detective operation The remote control does not work The outdoor fan does not rotate Turn off the power supply once then turn it on Try to operate the remote control The compressor operates The compressor do...

Страница 58: ...t with a code the indoor unit will beep once Pi and the display of the remote control will change as follows Check the unit with all 35 check codes 00 to 22 as shown in Table 9 4 1 Press TIMER 9 button to change the check code backwards If there is a fault the indoor unit will beep for 10 seconds Pi Pi Pi Note the check code on the display of the remote control 2 digits alphanumeric will be indica...

Страница 59: ...amp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is defected And it returns to the normal condition when recovering from errors The lamp on the indoor unit blinks when error is defected The lamp on the indoor unit blinks when error is detected 1 Check the indoor thermo sensor TA 2 Check the ...

Страница 60: ...ect crossover wires properly Connect connector properly Indoor P C board is defective Replace P C board Operation Check item Conceivable principle cause Measure Item by symptoms Does four way valve operate properly Does coil terminal have 220 240 V in heating operation Are circuit wires normal Is outdoor P C board normal Four way valve is defective Outdoor P C board is defective CN11 220 240 V Ind...

Страница 61: ... Outdoor P C board is defective Indoor P C board is defective Is TC sensor resistance value 10 kΩ at 25 C normal Failure 09 Other cycle error 1 Heat pump model 09 Other cycle error 2 Clean filters Replace TC sensor Charge refrigerant Replacd P C board Anti freezing operation Anti freezing operation Does indoor fan operate Are filters clogged Is charged amount of refrigerant normal Is outside air l...

Страница 62: ...ve Connect CN04 properly Replace TA sensor Replace P C board NO NO YES YES Is CN05 TC sensor connector connected properly Is TC sensor resistance value 10 kΩ at 25 C normal Indoor P C board is defective Connect CN05 properly Replace TC sensor Replace P C board NO NO YES YES Is TE sensor connector connected properly Is TE sensor resistance value 10 kΩ at 25 C normal Indoor P C board is defective Co...

Страница 63: ...rmal Is TD sensor resistance value 50 kΩ at 25 C normal Are wires connected to connector properly Outdoor P C board is defective Connect wires to connector properly Check and modify charged amount of refrigerant Unit operates normally Replace TD sensor Replace P C board NO NO YES YES Is TD sensor connected properly Is TD sensor resistance value 50 kΩ at 25 C normal Outdoor P C board is defective C...

Страница 64: ... not be turned on The unit does not operate at all Primary check 1 Is the supply voltage normal 2 Is the connection to the AC output OK 3 Are the connection of the primary side and the secondary side of the power transformer inserted into the P C board 4 Is the fuse F01 blown ...

Страница 65: ...ossible to detect the power supply voltage 200 240 V 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 prevent a cold air from blowing in ...

Страница 66: ...ws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN10 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Use a thin test rod DC P C board CN10 6 Blue 5 Yellow 4 White 3 Black 2 1 Red Black Yellow Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board Measure vol...

Страница 67: ...010 1 9 6 4 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 Cooling only model ...

Страница 68: ... 67 FILE NO SVM 03010 1 Inspection procedure Cooling and heating model ...

Страница 69: ...sor cords normal Is compressor motor winding normal Check winding resistor Is gas quantity normal Check gas pressure Is capacitor for compressor normal Is overload relay normal Does compressor start Does compressor stop after a while Replace compressor Compressor is defective Compressor is defective NO Capacitor is defective NO Overload relay is defective NO Compressor is defective NO Gas shortage...

Страница 70: ... Confirmation procedure Select one of 3 cases below and follow the procedure 1 The outdoor unit stops between 10 and 20 minutes passed after starting and it takes 10 minutes or more to restart the unit 2 1 3 Terminal block on indoor side S5277G Terminal block Tester S5277G or equivalent G or J type Diode with rated voltage of 400 V or more is acceptable Red White 2 The outdoor unit stops once it w...

Страница 71: ...3 IC01 IC02 and T1 are defective 4 IC01 IC02 and T1 are defective 5 IC01 IC02 IC07 and T01 are defective Heat pump model IC05 and IC06 are defectice Cooling only model 1 The wire of the relay coil RY04 comes down or the relay drive Q33 is defective 2 CN27 or RY04 is connected wrongly The lamps are defective or the housing assembly CN13 is defective Check whenther or not the fuse F01 is blown Check...

Страница 72: ...xchanger is extremely low 2 The connection of the heat exchanger sensor is loose The connector is disconnected CN01 3 The heat exchanger sensor and the P C board are defective Refer to Table 9 8 2 4 The main P C board is defective 1 The temperature of the indoor heat exchanger is extremely high 2 The connector of the heat exchanger sensor short circuited CN01 3 The heat exchanger sensor and the P ...

Страница 73: ... 72 FILE NO SVM 03010 1 Top View Bottom View 9 8 3 P C Board layout ...

Страница 74: ...rate Remote control is defective Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio P C board is defective Keep indoor unit away from thyristor fluorescent light Avoid direct sunlight Replace P C board Replace batteries Normal operation Replace remote control The unit does not be...

Страница 75: ...tlet 3 Check the gap between the front panel and the back body If you operate the air conditioner in cooling or dry operation without pushing the 3 places the surface of the front panel may be covered with frost and have dewdrops 1 Remove the front panel with the procedure 1 2 Remove the screw fixing the electrical part box 3 Remove the drain guide 4 Remove the connector 5P for the fan motor and t...

Страница 76: ...at exchanger with procedure 4 2 Loosen the set screw of the cross flow fan 3 Remove 2 screws fixing the bearing base and the back body 4 Pull the cross flow fan toward you 1 Remove the front panel electrical parts assembly horizontal grille heat exchanger and the cross flow fan with procedure 5 2 Remove the bearing from the bearing base If the housing protrudes from the base bearing put the housin...

Страница 77: ... wires from the terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the housing from the P C Board 1 Perform the common procedure 1 2 Disconnect the lead wires from the P C Board 3 Remove P C Board after unhooking 4 clams 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the terminal 1 Perform t...

Страница 78: ...isconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Unlatch the relay and pull it upward 3 Disconnect the lead wires from the relay terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the...

Страница 79: ...om the capacitor terminal 1 Perform the common procedure 1 2 Remove the fixing screw 1 screw 4 x 10L 3 Disconnect the lead wires from the capacitor terminal 1 Perform the common procedure 1 2 Unlatch the relay and pull it upward 3 Disconnect the lead wires from the relay terminal 1 Perform the common procedure 1 2 Remove the fixing screw 2 screws 4 x 10L 3 Disconnect the lead wires from the termin...

Страница 80: ...43T69005 Sensor Thermostat 10 kΩ 25 C 405 43T69066 P C Board ASSY WRS LED MCC 819 406 43T69064 P C Board ASSY RAS 24UKHP E 1 Location Part Description No No 406 43T69065 P C Board ASSY RAS 24UKP E 1 RAS 24UKPX 1 RAS 24UKP AR 1 RAS 24UKPX T 1 406 43T69067 P C Board ASSY RAS 18UKHP E2 406 43T69068 P C Board ASSY RAS 18UKP E2 RAS 18UKPX2 RAS 18UKP AR2 RAS 18UKPX2 T2 408 43T62003 Clamp Cord 406 408 40...

Страница 81: ...ate EVA Seal 223 43T79007 Guide Drain 224 43T39016 Fix Motor 225 43T60075 Fan Motor Cord Location Part Description No No 226 43T21327 Motor Fan 227 43T20014 Fan Cross Flow 228 43T22008 Bearing 229 43T39015 Base Bearing 230 43T03013 Back Body ASSY RAS 24UKHP E 1 RAS 18UKHP E2 RAS 24UKP E 1 RAS 24UKP AR 1 RAS 18UKP E2 RAS 18UKP AR2 230 43T03301 Back Body ASSY RAS 24UKPX 1 RAS 24UKPX T 1 RAS 18UKPX2 ...

Страница 82: ...r Cord 20 43T62015 Protector Cord 21 43T49011 Base Spring A Location Part Description No No 22 43T49012 Base Spring B 23 43T49019 Spring Buffer 24 43T21315 Motor Fan AC 220 240 V 50 Hz 25 43T20301 Fan Propeller 491 26 43T96001 Bushing 27 43T96004 Bushing Cord 28 43T62013 Cover E Parts 29 43T52305 Switch Magnet A35 220 240 V 50 Hz 30 43T55016 MF Capacitor 60µF 420 V 31 43T55317 MF Capacitor 3 5µF 4...

Страница 83: ...illary Tube 0 8 Dia Location Part Description No No 20 43T47007 Capillary Tube 1 2 Dia 21 43T49011 Base Spring A 22 43T49012 Base Spring B 23 43T49019 Spring Buffer 24 43T55316 MF Capacitor 45µF 370 V 25 43T55318 MF Capacitor 2µF 450 V 26 43T60324 Terminal Block 6P 27 43T41800 Compressor PH250X3 4LM 28 43T54005 Relay Power VC 20FA 29 43T46319 Valve 4way 30 43T46310 Coil V 4way AC 220 240 V VHV 31 ...

Страница 84: ...UAX T 1 18 43141301 Compressor PH280X3 4MS RAS 24UA E 1 RAS 24UA AR 1 18 43T41314 Compressor PH210T2 4L7 RAS 18UAX2 T2 19 43T62014 Protector Cord 20 43T62015 Protector Cord 21 43T49011 Base Spring A RAS 24UA E 1 RAS 24UA AR 1 RAS 18UAX2 T2 Location Part Description No No 22 43T49012 Base Spring B RAS 24UA E 1 RAS 24UA AR 1 RAS 18UAX2 T2 23 43T49019 Spring Buffer RAS 24UA E 1 RAS 24UA AR 1 RAS 18UA...

Страница 85: ...Valve Packed 6 35 Dia Location Part Description No No 16 43T47020 Bonnet 6 35 Dia 17 43T46019 Valve Packed 12 7 Dia 18 43T47018 Bonnet 12 7 Dia 21 43T49011 Base Spring A 22 43T49012 Base Spring B 23 43T49019 Spring Buffer 24 43T55316 MF Capacitor 45µF 370 V 25 43T55318 MF Capacitor 2µF 450 V 26 43T60324 Terminal Block 6P 27 43T41800 Compressor PH250X3 4LM 28 43T54005 Relay Power VC 20FA 36 43T4331...

Страница 86: ...ndenser Assembly Location Part Description No No 15 43T46311 Valve Packed 6 35 Dia 16 43T47020 Bonnet 6 35 Dia 17 43T46019 Valve Packed 12 7 Dia 18 43T47018 Bonnet 12 7 Dia 20 43T47013 Capillary Tube 2 0 Dia 23 43T49309 Rubber Cushion 24 43T55316 MF Capacitor 45µF 370 V 25 43T55318 MF Capacitor 2µF 450 V 26 43T60324 Terminal Block 6P 27 43T41341 Compressor 2JS350D5DA02 28 43T52302 Magnetic Contact...

Страница 87: ...35 Dia Location Part Description No No 17 43T46019 Valve Packed 12 7 Dia 18 43T47018 Bonnet 12 7 Dia 19 43T47309 Capillary Tube 0 8 Dia 20 43T47013 Capillary Tube 2 0 Dia 21 43T49011 Base Spring A 22 43T49012 Base Spring B 23 43T49019 Spring Buffer 24 43T55307 MF Capacitor 45µF 420 V 25 43T55318 MF Capacitor 2µF 450 V 26 43T60324 Terminal Block 6P 27 43T41800 Compressor PH250X3 4LM 28 43T52302 Mag...

Страница 88: ... 87 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 ...

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Toshiba RAS-18UA-AR2, Руководство по обслуживанию

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