Toshiba RAC-24G-AR, RAC-24G2B, RAC-24GE2B, RAC-24G2L Service Manual

SERVICE MANUAL

AIR-CONDITIONER

WINDO W TYPE

RAC-24G-AR

RAC-24G2B

RAC-24GE2B

RAC-24G2L

FILE NO. SVM-06051-2

Revised Jul, 2007

– 2 –

FILE NO. SVM-06051

CONTENTS

1. SPECIFICATIONS 3

2. CONSTRUCTION VIEWS 4

3. SPECIFICATIONS OF ELECTRICAL PARTS 5

4. WIRING DIAGRAM 6

5. REFRIGERATING CYCLE DIAGRAM 8

6. PERFORMANCE CHARACTER 9

7. EXPLODED VIEWS AND PARTS LIST 11

– 3 –

FILE NO. SVM-06051

1. SPECIFICATIONS

Specification are subject to change without notice.

Note : Capacity is based on the following temperature conditions. (*)

MODE SSA 385/386 JIS

ITEM COOLING COOLING

Indoor unit inlet air temperature

(DB) 29°C27°C
(WB) 19°C 19.5°C

Outdoor unit inlet air temperature

(DB) 46°C35°C
(WB) 24°C24°C

MODEL RAC-24GE2B RAC-24G2B RAC-24G-AR RAC-24G2L

ITEM

COOLING (SSA) HEATING COOLING (SSA) COOLING (JIS) COOLING (JIS)

Capacity*

k cal/h 4,800 3,440 4,800 — —

Btu/h 5,600 (W) 4,000 (W) 5,600 (W) 6,500 (W) 6,500 (W)

Phase Single Single Single Single

Power source V 220 220 220 – 240 220

Hz 60 60 50 60
Power consumption W 3,750 4,400 3,750 3,100 3,200
Power factor % 97 100 97 93 96
Running current A 17.5 20.0 17.5 14.5 15.1
Starting current A 65 65 58 65
Moisture removal lit/h 3.7 3.7 3.7 3.7

Noise

Indoor (Hi/Low) dB 58/53 58/53 58/53,60/55 58/53

Outdoor (Hi/Low) dB 64/59 64/59 64/59,66/62 64/59
Compressor output W 2,000 2,000 2,200 2,000
Fan motor output W 200 200 200 200

Refrigerant

Name of refrigerant R22 R22 R22 R22

Charge volume kg 0.90 0.90 1.05 0.90

High Fan m3/h 1,050 1,050 1,050 1,050
Air volume Medium Fan m3/h — — — —

Low Fan m3/h 850 850 850 850
Refrigerant control Capillary tube
Safety device Over current relay for protection of compressor motor and fan motor
Control device Selector switch, Thermostat, Auto louver switch
Ventilation Yes
Auto louver Yes

Height mm 435
Dimensions Width mm 660

Depth mm 748
Net weight kg 72 70 70 70
Usable outdoor temperature range °C MAX. 52

FILE NO. SVM-06051

2. CONSTRUCTION VIEWS

-4-

150

15

150285

748

660

435

15

130

150

80 10x50P = 500

180300

15

15028563

22-

Power source

Single phase 60Hz 220V
For RAC-24G2B,GE2B,G2L
Single phase 50Hz 220-240V

For RAC-24G-AR

1300 mm

– 5 –

FILE NO. SVM-06051

3. SPECIFICATION OF ELECTRICAL PARTS

3-1. RAC-24G2B/24GE2B/24G2L

No. Parts name Model Specifications

Output (Rated) 2,000W, 2 poles, Single phase, 208-230V, 60Hz

1 Compressor PH370X3CJ-3MTS Winding resistance (Ω) Red-Black White-Black

(at 20°C) 0.84 1.64
Output (Rated) 150W, 6 poles, Single phase, 220V, 60Hz

2 Fan motor FG-230-200B Winding resistance (Ω) Red-Black White-Black

(at 20°C) 25.3 45.6
Output (Rated) 3W or less, 8 poles, Single phase, 220-240V,

3 Auto louver motor 50SM16-54S 50/60Hz

Winding resistance (kΩ) (at 20°C) 10.5 –

Room thermostat Differential 3°C
(RAC-24G2B,24G2L, B-A106 Rated current 25A (at 250V)

4

24G-AR) Closing current 80A (at 250V)
Room thermostat

Differential 2°C

(RAC-24GE2B)

YTB-T321 Rated current 20A (at 250V)

Closing current 80A (at 250V)

Selector switch

Rated current 25A (at 250V) between terminal 1-2, 3-4, 9-10

(RAC-24GE2B)

2137 Rated current 3A (at 250V) between terminal 5-6, 11-12

5

Closing current 12A (at 250V) between terminal 5-6, 11-12

Selector switch

Rated current 3A (at 250V) between terminal 1-2, 1-3

(RAC-24G2B, 24G2L, 2105B
24G-AR)

Rated current 25A (at 250V) between terminal 5-6, 1-4

6

Running for fan motor DS451505BPQD 5µF, 450 VAC
capacitor for compressor RS44B556U0219S 55µF, 440 VAC

7 Auto louver switch 3019B Reated AC current, closing and cut-off current 250V, 3A

8

Heater

HG-2240

4.0kW (at 220V), Thermal relay 60°C OFF,

(RAC-24GE2B) Thermal fuse 95°C OFF

3-2. RAC-24G-AR

Different points from above model show below and another specifications are the same as above.

No. Parts name Model Specifications

Output (Rated) 2,200W, 2 poles, Single phase, 220-240V, 50Hz

1 Compressor PH440X3CJ-4MTS Winding resistance (Ω) Red-Black White-Black

(at 20°C) 0.93 2.04
Output (Rated) 145W, 4 poles, Single phase, 230V, 50Hz

2 Fan motor FG-240-200A Winding resistance (Ω) Red-Black White-Black

(at 20°C) 15.6 19.8

3

Running for fan motor DS441805BPQJ 8.0µF, 440VAC
capacitor for compressor RS44B606U0220S 60µF, 44

0VAC

– 6 –

FILE NO. SVM-06051

4. WIRING DIAGRAM

4-1. RAC-24GE2B

Color Identification

BLK : Black WHI : White
BLU : Blue GRY : Gray
BRW : Brown GRN : Green
ORN : Orange YEL : Yellow
RED : Red GRN & YEL : Green and Yellow

4-2. RAC-24G2B/24G2L

60Hz
220V

AUTO
LOUVER
MOTOR

RUNNING
CAPACITOR

AUTO
LOUVER
SWITCH

SELECTOR
SWITCH

CN01

CN02 CN03

R01 R01

SG01

CN03

CN02

CN01

BLU

GRN&YEL

BRW

BRW

RED

YEL

WHI

GRN&YEL

SURGE
PROTECTOR

GRN&YEL

COMPRESSOR

FAN MOTOR

THERMOSTAT

GROUND

2

1

3

L

H

C

9

1

3

5

7

11

10

2

4

6

8

12

SINGLE
PHASE

CUTOFF
THERMOSTAT

RUNNING
CAPACITOR

RED

M

LOW HEAT

HIGH HEAT

LOW FAN

OFF

HIGH COOL

LOW COOL

HIGH FAN

GRY

BLK

RED

ORN

WHI

YEL

RED

WHI

RED

BLK

BLK

WHI

BLK

WHI

BLU

HEATER

FUSE

GROUND

BRW

BLU

LOW FAN

LOW COOL

HIGH COOL

HIGH FAN

OFF

RED

GRY

BLK

ORN

WHI

RED

YEL

YEL

GRY

BLK

RED

RED

RED

WHI

THERMOSTAT

M

RUNNING

CAPACITOR

FAN MOTOR

COMPRESSOR

1

5

6

3

2

4

1

3

2

CN01

CN02

CN03

CN02CN01 CN03

R01

R02

SG01

RUNNING
CAPACITOR

AUTO LOUVER
MOTOR

AUTO LOUVER
SWITCH

SELECTOR
SWITCH

SURGE
PROTECTOR

SINGLE
PHASE

GRN&YEL

BRW

BLU

GRN&YEL

GRN&YEL

60Hz
220V

– 7 −

FILE NO. SVM-06051

4-3. RAC-24G-AR

Color Identification

BLK : Black WHI : White
BLU : Blue GRY : Gray
BRW : Brown GRN : Green
ORN : Orange YEL : Yellow
RED : Red GRN & YEL: Green and Yellow

GROUND

BRW

BLU

LOW FAN

LOW COOL

HIGH COOL

HIGH FAN

OFF

RED

GRY

BLK

ORN

WHI

RED

YEL

YEL

GRY

BLK

RED

RED

RED

WHI

THERMOSTAT

M

RUNNING

CAPACITOR

FAN MOTOR

COMPRESSOR

1

5

6

3

2

4

1

3

2

CN01

CN02

CN03

CN02

CN01 CN03

R01

R02

SG01

RUNNING

CAPACITOR

AUTO LOUVER
MOTOR

AUTO LOUVER
SWITCH

SELECTOR
SWITCH

SURGE
PROTECTOR

SINGLE
PHASE

GRN&YEL

BRW

BLU

GRN&YEL

GRN&YEL

50Hz

220-240V

– 8 –

FILE NO. SVM-06051

5. REFRIGERATING CYCLE DIAGRAM

Surface temp. of heat exchanger Ambient temp. conditions

Conditions

interchanging pipe (°C) DB/WB (°C)

T

1

T

2

Indoor Outdoor

Standard 8 54 27/19.5 35/24

RAC-24G-AR High temperature 14 73 32/22.5 52/24

Low temperature -1 40 21/15.5 21/15.5
Standard 8 51 29/19 46/24

RAC-24G2B, 24GE2B, 24G2L High temperature 13 74 32/22.5 52/24

Low temperature 0 41 21/16 21/16

Note : Measure the heat exchanger temperature at the center of U-bend.

(By means of thermistor thermometer)

* When servicing the cycle, be sure to change the strainer for the dryer.

Evaporator

Suction Pipe

Compressor

Discharge Pipe

Condenser

Strainer (Dryer)

1.5 ∅ x700L (1.5 ∅x1400L;G-AR)

Capillary Tube(Comp injection)
(1 pcs)

(1.0 ∅ x700L)

1.5 ∅ x900L (1.5 ∅x1400L;G-AR)

1.5 ∅ x700L (1.5 ∅x1300L;G-AR)

– 9 –

FILE NO. SVM-06051

6. PERFORMANCE CHARACTER

6-1. RAC-24G-AR

– 10 –

FILE NO. SVM-06051

6-2. RAC-24G2B,24GE2B

– 11 –

FILE NO. SVM-06051

6-3. RAC-24G2L

– 12 –

FILE NO. SVM-06051

7. EXPLODED VIEWS AND PARTS LIST

7-1. Cabinet Assy

Location Part

Description

No. No.

1 43T00467 CABINET ASSY
2 43T00465 FRONT PANEL ASSY

Location Part

Description

No. No.

3 43T80316 AIR FILTER

35 43T79005 ASM-D-ELBOW

1

35

3

2

– 13 –

No. No.

4 43T21382 FAN MOTOR (FG-240-145C)

(24G-AR)

4 43T21383 FAN MOTOR (FG-230-150D)

5 43020242 SIROCCO FAN ASSY

(24G-AR,G2B,G2L)

5 43020245 SIROCCO FAN ASSY

(24GE2B)

6 43T20002 PROPELLER FAN

7 43T22009 INDOOR FAN CASE ASSY

(24G-AR,G2B,G2L)

7 43T22302 INDOOR FAN CASE ASSY

Location Part

Description

No. No.

8 43T72004 DRAIN-PAN

(24G-AR,G2B,G2L)

8 43T72306 DRAIN PAN ASSY (24GE2B)

43T63003 C-THERMO-HOLDER

9

9 43T63009 HOLDER;THERMOSAT (24GE2B)

10 43T07007 VENTILATION DOOR

11 43T09394 GRILLE
12 43T09011 GRILLE CONNECTION PLATE
13 43T09002 ROTARY PLATE

Location Part

Description

(24GE2B)

(24G-AR,G2B,G2L)

15 43T07312 VENTILATION LEVER

33 43T09012 GRILLE CONNECTION PLATE

6

4

5

33

11

12

13

10

15

8

36

9

7

FILE NO. SVM-06051

7-2. Main Assy

– 14 –

FILE NO. SVM-06051-1

7-3. E-Parts Assy

Location Part

Description

No. No.

14 43T67304 GEAR-MOTOR-ASSY
16 43051320 ROTARY SWICH

(24G-AR,G2B,G2L)
16 43051321 ROTARY SWITCH (24GE2B)
17 43T50319 THERMOSTAT (24G-AR,G2B,G2L)
17 43T50011 THERMOSTAT (24GE2B)
18 43T51005 SWITCH SEESAW
19 43T55345 MF-CAPACITOR, (24G-AR)
19 43T55346 MF-CAPACITOR, (24G2B,

G2L,GE2B)
20 43T55344 MF-CAPACITOR, (24G-AR)

Location Part

Description

No. No.

20 43T55343 Capacitor, (24G2B,

G2B, G2L)
21 43T60368 Power Cord ASSY(24G-AR,G2B,G2L)
21 43T60369 Power Cord ASSY(24GE2B)
22 43T08415 SWITCH PANEL (24G-AR,G2B)
22 43T08416 SWITCH PANEL (24GE2B)
22 43T08417 SWITCH PANEL (24G2L)
23 43T67303 KNOB ASSY
45 43T54315 SURGE PROTECTOR ASSY

19

20

21

45

1416

22

23

18

17

– 15 –

FILE NO. SVM-06051

7-4. Refrigerator Assy (RAC-24G-AR)

Location Part

Description

No. No.

24 43T44005 EVAPORATOR-ASSY
25 43T43378 ASM-COND
26 43T47362 STRAINER ASSY
27 43T49011 SPRING BASE(UPPER)
28 43T49012 SPRING BASE(LOWER)
29 43T49019 SPRING; BUFFER
30 43T41393 COMPRESSOR (PH440X3CJ-4MTS)

Location Part

Description

No. No.

34 43T89006 BOX-SPANNER
44 43T47368 INJ CAPI ASSY

48 43T47365 AUX PIPE C ASSY

49 43T47366 AUX PIPE D ASSY

50 43T47367 AUX PIPE E ASSY

34

24

30

25

26

44

48

49

50

27
28

29

– 16 –

FILE NO. SVM-06051

7-4. Refrigerator Assy (RAC-24G2B, 24G2L, 24GE2B)

Location Part

Description

No. No.

24 43T44005 EVAPORATOR-ASSY
25 43T43378 ASM-COND
26 43T47361 PIPE CAPI ASSY (24G2B)
26 43047362 PIPE CAPI ASSY (24G2L,GE2B)
27 43T49011 SPRING BASE (UPPER)
28 43T49012 SPRING BASE (LOWER)
29 43T49019 SPRING BUFFER

Location Part

Description

No. No.

30 43T41392 COMPRESSOR (PH370X3CJ-3MTS)
34 43T89006 BOX-SPANNER

44 43T47368 INJ CAPI ASSY

46 43T47363 AUX PIPE A ASSY

47 43T47364 AUX PIPE B ASSY

34

24

30

25

26

44

46

47

27
28

29

– 17 –

FILE NO. SVM-06051

7-5. Heater Assy (RAC-24GE2B)

Location Part

Description

No. No.

36 43T57301 HEATER
37 43T11003 INSULATOR (A)

Location Part

Description

No. No.

38 43T11005 INSU-SPACER-B
39 43T96002 BUSHING

37

39

36

38

TOSHIBA CARRIER (THAILAND) CO., LTD.

144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI,

AMPHUR MUANG, PATHUMTHANI 12000, THAILAND.