Toshiba RAC-24G-AR User manual

SERVICE MANUAL
AIR-CONDITIONER
WINDOW TYPE
RAC-24G-AR
RAC-24G2B
RAC-24GE2B
RAC-24G2L
FILE NO. SVM-06051-2
Revised Jul, 2007

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FILE NO. SVM-06051
CONTENTS
1. SPECIFICATIONS 3
2. CONSTRUCTIONVIEWS 4
3. SPECIFICATIONS OF ELECTRICAL PARTS 5
4. WIRING DIAGRAM 6
5. REFRIGERATING CYCLE DIAGRAM 8
6. PERFORMANCE CHARACTER 9
7. EXPLODEDVIEWS AND PARTS LIST 11

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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 A65 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 0.901.05 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

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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
1Compressor PH370X3CJ-3MTS Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 0.84 1.64
Output (Rated) 150W, 6 poles, Single phase, 220V, 60Hz
2Fan motor FG-230-200B Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 25.3 45.6
Output (Rated) 3W or less, 8 poles, Single phase, 220-240V,
3Auto 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)
424G-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
5Closing 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
6Running for fan motor DS451505BPQD 5µF, 450 VAC
capacitor for compressor RS44B556U0219S 55µF, 440VAC
7 Auto louver switch 3019B Reated AC current, closing and cut-off current 250V, 3A
8Heater 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
1Compressor PH440X3CJ-4MTS Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 0.93 2.04
Output (Rated) 145W, 4 poles, Single phase, 230V, 50Hz
2Fan motor FG-240-200A Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 15.6 19.8
3Running for fan motor DS441805BPQJ 8.0µF, 440VAC
capacitor for compressor RS44B606U0220S 60µF, 440VAC

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FILE NO. SVM-06051
4. WIRING DIAGRAM
4-1.RAC-24GE2B
Color Identification
BLK :BlackWHI:White
BLU :Blue GRY:Gray
BRW:BrownGRN :Green
ORN :Orange YEL :Yellow
RED :RedGRN & 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
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
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-06051
4-3. RAC-24G-AR
Color Identification
BLK :BlackWHI:White
BLU :Blue GRY:Gray
BRW:BrownGRN :Green
ORN :Orange YEL :Yellow
RED :RedGRN & 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

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FILE NO. SVM-06051
5. REFRIGERATING CYCLE DIAGRAM
Surface temp. of heat exchanger Ambient temp. conditions
Conditions interchanging pipe (°C) DB/WB (°C)
T1T2Indoor Outdoor
Standard 854 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 851 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)

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FILE NO. SVM-06051
6. PERFORMANCE CHARACTER
6-1. RAC-24G-AR

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FILE NO. SVM-06051
6-2. RAC-24G2B,24GE2B