Toshiba RAC-18G-AR, RAC-18G2L, RAC-18GE2B, RAC-18G2B Service Manual

SERVICE MANUAL

AIR-CONDITIONER

FILE NO. SVM-06049-1

WINDO W TYPE

RAC-18G-AR

RAC-18G2B

RAC-18G2L

RAC-18GE2B

Revised May, 2007

FILE NO. SVM-06049

CONTENTS

1. SPECIFICATIONS 2

2. CONSTRUCTION VIEWS 3

3. SPECIFICATIONS OF ELECTRICAL PARTS 4

4. WIRING DIAGRAM 5

5. REFRIGERATING CYCLE DIAGRAM 7

6. PERFORMANCE CHARACTER 8

7. EXPLODED VIEWS AND PARTS LIST 10

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FILE NO. SVM-06049

1. SPECIFICATIONS

MODEL RAC-18GE2B RAC-18G2B RAC-18G-AR RAC-18G2L

ITEM

Capacity*

Power source V 220 220 220 – 240 220

Power consumption W 2,700 3,670 2,700 2,140 2,200
Power factor % 96 100 96 94 98
Running current A 12.8 16.7 12.8 9.85 10.25
Starting current A 45 45 42 45
Moisture removal lit/h 3.0 3.0 3.0 3.0

Noise

Compressor output W 1,500 1,500 1,700 1,500
Fan motor output W 93 93 93 93

Refrigerant

Air volume Medium Fan m3/h —

Refrigerant control Capillary tube

Safety device Thermal fuse for protection of fan motor

Control device Selector switch, Thermostat, Auto louver switch
Ventilation Yes
Auto louver Yes

Dimensions Width mm 660

Net weight kg 55 53 53 55
Usable outdoor temperature range °C 21-52

Indoor (High/Low) dB 57/51 57/51 55/51-57/53 56/50
Outdoor (High/Low) dB 62/57 64/57 62/57 62/57-64/59 62/57

Name of refrigerant R22 R22 R22 R22
Charge volume kg 0.70 0.70 0.76 0.70
High Fan m3/h 800

Low Fan m3/h 600

Height mm 435

Depth mm 658

k cal/h 3,600 3,010 3,600 — —

Phase Single Single Single Single

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

Btu/h 4,200 (W) 3,500 (W) 4,200 (W) 5,000 (W) 4,700 (W)

Hz 60 60 50 60

Over current relay for protection of compressor

Thermal relay and thermal fuse for protection of heater

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

Outdoor unit inlet air temperature

(DB) 32°C27°C
(WB) 23°C 19°C
(DB) 52°C35°C
(WB) 31°C24°C

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2. CONSTRUCTION VIEWS

15

130

FILE NO. SVM-06049

150

15

150235

660

435

1200 mm

150

15

15023563

658

Power Supply Cord

18-

Power source

Single phase 60Hz 220V
For RAC-18G2B,GE2B,G2L
Single phase 50Hz 220-240V

For RAC-18G-AR

95 8x50P = 400

180300

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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

1 Compressor RM6520GPH96 Winding resistance (Ω) Red-Black White-Black

(at 20°C) 1.029 1.841

Output (Rated) 150W, 6 poles, Single phase, 220-230V, 60Hz

2 Fan motor FG-230-150B Winding resistance (Ω) Red-Black White-Black

(at 20°C) 22.06 37.07

3 Auto louver motor 50SM16-54S

Room thermostat
(RAC-18GE2B)

4

Room thermostat Differential 2°C
(RAC-18G-AR/18G2B/ B-A106
18G2L) Closing current 90A

Selector switch
(RAC-18GE2B)

5

Selector switch
(RAC-18G-AR/18G2B/
18G2L)

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

2137 Rated current 25A (at 250V) between terminal

2105B

Output (Rated) 3W or less, 8 poles, Single phase, 220-240V, 50/60Hz

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

Differential 2°C

Closing current 80A (at 250V)

Rated current 25A

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

Closing current 100A (at 250V) between terminal 5-6, 11-12

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

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

5-6, 11-12

}

Running for fan motor

6

capacitor for compressor RS44B506U0218S 50µF, 440V

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

Heater (RAS-18GE2B) HG-2235

8

DS45150BPQD

5µF, 450V

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

1 Compressor RM6523GNHE96 Winding resistance (Ω) Red-Black White-Black

(at 20°C) 1.194 2.576

Output (Rated) 145W, 6 poles, Single phase, 220-240V, 50Hz

2 Fan motor FG-240-145A Winding resistance (Ω) Red-Black White-Black

(at 20°C) 34.88 27.12

Running for fan motor DS441805BPQJ

3

capacitor for compressor RS44B606U0220S

8µF , 440V

60µF , 440V

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