Toshiba RAC-18G-AR User manual

SERVICE MANUAL
AIR-CONDITIONER
WINDOW TYPE
RAC-18G-AR
RAC-18G2B
RAC-18G2L
RAC-18GE2B
FILE NO. SVM-06049-1
Revised May, 2007

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FILE NO. SVM-06049
CONTENTS
1. SPECIFICATIONS 2
2. CONSTRUCTIONVIEWS 3
3. SPECIFICATIONS OF ELECTRICAL PARTS 4
4. WIRING DIAGRAM 5
5. REFRIGERATING CYCLE DIAGRAM 7
6. PERFORMANCE CHARACTER 8
7. EXPLODEDVIEWS AND PARTS LIST 10

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FILE NO. SVM-06049
1. SPECIFICATIONS
Specifications 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) 32°C27°C
(WB) 23°C19°C
Outdoor unit inlet air temperature (DB) 52°C35°C
(WB) 31°C24°C
MODEL RAC-18GE2B RAC-18G2B RAC-18G-AR RAC-18G2L
ITEM COOLING (SSA) HEATING COOLING (SSA) COOLING (JIS) COOLING (JIS)
Capacity* k cal/h 3,600 3,010 3,600 — —
Btu/h 4,200 (W) 3,500 (W) 4,200 (W) 5,000 (W) 4,700 (W)
Phase Single Single Single Single
Power source V 220 220 220 – 240 220
Hz 60 60 50 60
Power consumption W2,700 3,670 2,700 2,140 2,200
Power factor %96 100 96 94 98
Running current A12.8 16.7 12.8 9.85 10.25
Starting current A45 45 42 45
Moisture removal lit/h 3.0 3.0 3.0 3.0
Noise Indoor (High/Low) dB 57/5157/5155/51-57/53 56/50
Outdoor (High/Low) dB 62/5764/57 62/5762/57-64/59 62/57
Compressor output W1,500 1,500 1,700 1,500
Fan motor output W 93 93 93 93
Refrigerant Name of refrigerant R22 R22 R22 R22
Charge volume kg 0.70 0.70 0.760.70
High Fan m3/h 800
Air volume Medium Fan m3/h —
Low Fan m3/h 600
Refrigerant control Capillary tube
Over current relay for protection of compressor
Safety device Thermal fuse for protection of fan motor
Thermal relay and thermal fuse for protection of heater
Control device Selector switch,Thermostat, Auto louver switch
Ventilation Yes
Auto louver Yes
Height mm 435
Dimensions Width mm 660
Depth mm 658
Net weight kg 55535355
Usable outdoor temperature range °C21-52

FILE NO. SVM-06049
2. CONSTRUCTION VIEWS
-3-
150
15
150235
658
660
435
15
130
150
95 8x50P=400
180300
15
15023563
18-
Power source
Single phase 60Hz 220V
For RAC-18G2B,GE2B,G2L
Single phase 50Hz 220-240V
For RAC-18G-AR
Power Supply Cord
1200 mm

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FILE NO. SVM-06049
3. SPECIFICATIONS OF ELECTRICAL PARTS
3-1.RAC-18GE2B/18G2B/18G2L
No. Parts name Code Specifications
Output (Rated) 1,500W, 2 poles, Single phase, 208/230V, 60Hz
1Compressor RM6520GPH96 Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 1.029 1.841
Output (Rated) 150W, 6 poles, Single phase, 220-230V, 60Hz
2Fan motor FG-230-150B Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 22.06 37.07
3Auto louver motor 50SM16-54S
Output (Rated) 3W or less, 8 poles, Single phase, 220-240V, 50/60Hz
Winding resistance (kΩ) (at 20°C) 10.5
Room thermostat Differential 2°C
YTB-T321 Rated current 20A (at 250V)
4
(RAC-18GE2B)Closing current 80A (at 250V)
Room thermostat Differential 2°C
(RAC-18G-AR/18G2B/ B-A106 Rated current 25A
18G2L) Closing current 90A
Selector switch Rated current 3A (at 250V) between terminal 1-2, 3-4, 9-10
2137 Rated current 25A (at 250V) between terminal
}
5-6, 11-12
5
(RAC-18GE2B) Closing current 100A (at 250V) between terminal 5-6, 11-12
Selector switch Rated current 3A (at 250V) between terminal 1-2, 1-3
(RAC-18G-AR/18G2B/ 2105B
18G2L)Rated current 25A (at 250V) between terminal 5-6, 1-4
6
Running for fan motor DS45150BPQD 5µF, 450V
capacitor for compressor RS44B506U0218S 50µF, 440V
7Auto louver switch 3019B-W Reated AC current, closing and cut-off current 250V, 3A
8Heater (RAS-18GE2B)HG-2235
3.5kW, Thermal relay 60 ±3°C OFF, 45 ± 5°C ON
Thermal fuse 85°C ON
3-2.RAC-18G-AR
Different points from above model show below and another specifications are the same as above.
No. Parts name Code Specifications
Output (Rated) 1,500W, 2 poles, Single phase, 230V, 50Hz
1Compressor RM6523GNHE96 Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 1.194 2.576
Output (Rated) 145W, 6 poles, Single phase, 220-240V, 50Hz
2Fan motor FG-240-145A Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 34.88 27.12
3
Running for fan motor DS441805BPQJ
capacitor for compressor RS44B606U0220S
8µF, 440V
60µF, 440V

FILE NO. SVM-06049
4-1. RAC-18G-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
6324
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
4-2. RAC-18GE2B
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
13
LH
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
4. WIRING DIAGRAM
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FILE NO. SVM-06049
Color Identification
BLK :BlackWHI:White
BLU :Blue GRY:Gray
BRW:BrownGRN :Green
ORN :Orange YEL :Yellow
RED :RedGRN & YEL :Green and Yellow
4-3.RAC-18G2B/18G2L
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
6324
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

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FILE NO. SVM-06049
Surface temp. of heat exchanger Ambient temp. conditions
Conditions interchanging pipe (°C) DB/WB (°C)
T1 T2 Indoor Outdoor
RAC-18GE2B,Standard 10 63 29/19 46/24
Cooling High temperature 17 72 32/23 52/31
18G2B Low temperature 2 39 21/16 21/16
Standard 752 27/19 35/24
RAC-18G2L Cooling High temperature 177232/23 52/31
Low temperature 239 21/16 21/16
5. REFRIGERATING CYCLE DIAGRAM
Note : Measure the heat exchanger temperature at the center of U-bend.
(By means of thermistor thermometer)
RAC-18GE2B, 18G2B, 18G2L 1.5∅X 500 mm 0.8∅X 650 mm
1.5∅X 600 mm
RAC-18G-AR 1.5∅X 1100 mm 0.8∅X 650 mm
1.5∅X 1000 mm
* When servicing the cycle, be sure to change the strainer for the dryer.
Standard 953 27/19 35/24
RAC-18G-AR Cooling High temperature 177132/23 52/31
Low temperature 239 21/16 21/16

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FILE NO. SVM-06049
6. PERFORMANCE CHARACTER
6-1. RAC-18G2B/18GE2B/18G2L

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FILE NO. SVM-06049
6-2. RAC-18G-AR

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FILE NO. SVM-06049
7. EXPLODED VIEWS AND PARTS LIST
7-1. Cabinet Assy
Location Part Location Part
No. No. No. No.
1 43T00463 CABINET ASSY 3 43T80316 AIR FILTER
2 43T00465 FRONT PANEL ASSY 35 43T79005 ASM-D-ELBOW
Description Description

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FILE NO. SVM-06049
7-2. Main Assy
Location Part Location Part
No. No. No. No.
4 43T21380 FAN MOTOR (For RAC-18G-AR) 9 43T63003 C-THERMO-HOLDER
5 43020242 SIROCCO FAN ASSY 9 43T63009 HOLDER;THERMOSAT
(For RAC-18G-AR) (For RAC-18GE2B)
5 43020241 SIROCCO FAN ASSY 10 43T07007 VENTILATION DOOR
(For RAC-18G2B,G2L) 11 43T09394 GRILLE
5 43020243 SIROCCO FAN ASSY 12 43T09008 GRILLE CONNECTION PLATE
(For RAC-18G2B,G2L)
(
LOWER
)
6 43T20002 PROPELLER FAN 13 43T09002 ROTARY PLATE
7 43T22311 INDOOR FAN CASE ASSY 15 43T07310 VENTILATION LEVER
7 43T22310 INDOOR FAN CASE ASSY 33 43T09013 GRILLE CONNECTION PLATE
(For RAC-18GE2B) CUPPER
8 43T72003 DRAIN-PAN 36 43T21336 HEATER (For RAC-18GE2B)
8 43T72008 DRAIN-PAN (For RAC-18GE2B)
Description Description

FILE NO. SVM-06049-1
7-3. E-Parts Assy
Location Part Location Part
No. No. No. No.
14 43T67304 GEAR-MOTOR-ASSY 20 43T55344 METALLIZED FILM CAPA
16 43051320 ROTARY SWICH (For RAC-18G-AR)
16 43051321 ROTARY SWITCH 20 43T55343 MF CAPACITOR
(For RAC-18GE2B) (For RAC-18G2B,G2L,GE2B)
17 43T50319 THERMOSTAT 21 43T60368 POWER CORD ASSY
17 43T50007 YTB-THERMOSTAT 21 43T60369 POWER CORD ASSY
(For RAC-18GE2B)
(
For RAC-18GE2B
)
18 43T51005 SWITCH SEESAW 22 43T08415 SWITCH PANEL
19 43T55340 MF CAPACITOR
(
For RAC-18G-AR,G2B
)
22 43T08417 SWITCH PANEL (For RAC-18G2L)
22 43T08416 SWITCH PANEL (For RAC-18GE2B)
23 43T67303 KNOB ASSY
45 43T54315 SURGE PROTECTOR ASSY
Description Description
−12 −

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FILE NO. SVM-06049
7-4. Refrigerator Assy
Location Part Location Part
No. No. No. No.
24 43T44006 EVAPORATOR-ASSY 30 43T41384 COMPRESSOR
25 43T43002 CONDENSER-ASSY 30 43T41383 COMPRESSOR
25 43T43312 CONDENSOR ASSY (For RAC-18G2B,18G2L,18GE2B)
(For RAC-18G2B,18G2L,18GE2B) 31 43T54307 OL-RELAY
26 43T47346 PIPE-OUT-COND; ASSY (For RAC-18G2B,18G2L,18GE2B)
27 43T49011 SPRING BASE(UPPER) 32 43T63001 HOLDER; OL-RELAY
28 43T49012 SPRING BASE (LOWER) (For RAC-18G2B,18G2L,18GE2B)
29 43T49013 BUFFER-SPRING 34 43T89006 BOX-SPANNER
29 43T49035 BUFFER-SPRING 43 43T47356 AUX PIPE ASSY
(For RAC-18G2B,18G2L,18GE2B) 43 43T47358 AUX PIPE ASSY
29 43T49035 BUFFER-SPRING (For RAC-18G2B,18G2L,18GE2B)
(For RAC-18G2B,18G2L,18GE2B) 44 43T47359 INJ CAPI ASSY
44 43T47360 INJ CAPI ASSY
(For RAC-18G2B,18G2L,18GE2B)
Description Description

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FILE NO. SVM-06049
7-5. Heater Assy (RAC-18GE2B)
Location Part Location Part
No. No. No. No.
36 43T21336 HEATER 38 43T11004 INSULATOR (B)
37 43T11003 INSULATOR (A) 39 43T96002 BUSHING
Description Description

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