Toshiba RAS-07SKSX-1 User manual

FILE NO. SVM-08028
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-07SKSX-1 / RAS-07S2AX-1
RAS-09SKSX-1 / RAS-09SASX-1
April, 2008

− 1−
CONTENTS
1. SPECIFICATIONS
2. CONSTRUCTION VIEWS
2-1 Indoor Unit
2-2 Outdoor Unit (RAS-07S2AX-1)
3. WIRING DIAGRAM
4. SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit
4-2 Outdoor Unit (RAS-07S2AX-1)
5. REFRIGERATION CYCLE DIAGRAM
5-1 RAS-07SKSX-1 / RAS-07S2AX-1
5-2 RAS-09SKSX-1 / RAS-09SASX-1
6. CONTROL BLOCK DIAGRAM
4-3 Outdoor Unit (RAS-09SASX-1)
7. OPERATION DESCRIPTION
7-1 Outline of Air Conditioner Control
7-4 Auto Restart Function
7-2 Description of Operation Circuit
7-3
Low-Temperature Limit Control
FILE NO. SVM-08028
2-3 Outdoor Unit (RAS-09SASX-1)
8. INSTALLATION PROCEDURE
8-1 Safety Cautions
8-2 Installation Diagram of Indoor and Outdoor Units
8-3 Installation
8-4 Indoor Unit
8-5 Outdoor Unit
8-6 How to Set Remote Control Selector Switch
8-7 Others
9. TROUBLESHOOTING CHART
9-1 Troubleshooting Procedure
9-2 Basic Check Items
9-3 Primary Judgement
9-4 Self-Diagnosis by Remote Control (Check Code)
9-5 Troubleshooting Flowcharts
9-6 Troubleshooting for Remote Control (Including The Indoor P.C. Board)

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10. PARTS REPLACEMENT
10-1 Indoor Unit
10-2 Outdoor Unit (RAS-07S2SX-1)
11. EXPLODED VIEWS AND PARTS LIST
11-1
11-4 Outdoor Unit (RAS-09SASX-1)
FILE NO. SVM-08028
11-3 Outdoor Unit (RAS-07S2SX-1)
11-2 Indoor Unit
Indoor Unit (E-Parts Assy)
10-3Outdoor Unit (RAS-09SASX-1)

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FILE NO. SVM-08028
540
1. SPECIFICATIONS
MO DE L
RAS-07SKSX-1 /RAS-07S2AX-1 RAS-09SKSX-1 /RAS-09SASX-1
IT E M Cooling
Capacity 220V 240V 220V 240V
kW 2.00 2.00 2.50 2.50
Phase 1
Power source V 220 - 240
Hz 50
Power consumption kW 0.62 0.66 0.84 0.88
Power factor % 98 96 98 98
Running Indoor A 0.15
current Outdoor A 2.72 2.72 3.75 3.60
Starting current A1315
Moisture removal lit/h 0.51.2
Noise Indoor (H/M/L) dB 40/35/3043/38/33
Outdoor dB 464746 47
Refrigerant Name of refrigerant R22
Rated amount kg 0.58
Refrigerant control Capillary tube
Gas side size mm  
9.52
Connection type Flare connection
Liquid side size mm 6.35
Interconnection Connection type Flare connection
pipe Maximum length m
10*1
(One way)
Maximum height m5
difference
INDOORUNITRAS-07SKSX-1 RAS-09SKSX-1
Height mm 250
Dimensions Width mm 740
Depth mm 185
Net weight kg
Evaporator type Finned tube
Indoor fan type Cross flow fan
Air volume
High fan m3/h
430 470
Fan motor output W 20
Air filter Honeycomb woven filter with PP frame
OUTDOORUNITRAS-07S2AX-1 RAS-09SASX-1
Height mm 530
Dimensions Width mm 660
Depth mm 240
Net weight kg 25
Condenser type Finned tube
Outdoor fan type Propeller fan
Airflow volume m3/h 1580 1640
Fan motor output W 20 20
Compressor Model PH108X1C-4DZDN2
Output W 605 780
Safety device Fuse, Overload relay
Louver type Automatic louver
Usable outdoor temperature range °C 21 ~ 43
1620 1720
8
QK164PBA
26
390
350
510
Low fan
Medium fan m3/h
m3/h

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Note : 1
•Capacity is based on the following temperature conditions.
Note : 2
Temperature
Condition JIS C9612
Cooling
Indoor unit inlet air temperature
(DB) 27°C
(WB)
Outdoor unit inlet air temperature
(DB) 35°C
(WB) 24°C
19°C
*1 No need to charge extra refrigerant.
FILE NO. SVM-08028

2. CONSTRUCTION VIEWS
2-1. Indoor Unit
FILE NO. SVM-08028
135
1654
Wireless remote control
– 5–

FILE NO. SVM-08028
−6−
2-2. Outdoor Unit
C
L
C
L
400
280

−7−
FILE NO. SVM-08028
P ower C ord
INDOOR
CHASSIS
TERMINAL
BLOCK
OUTDOOR
OUTDOOR
TERMINAL
BLOCK
1
(L)
2
(N)
FAN MOTOR
CAPACITOR CAPACITOR
RED
RED
PNK
WHI
BLK BLK
COMPRESSOR
RED
WHI
OVERLOAD RELAY
BLK
3. WIRING DIAGRAM
Type "A" Type "B"
FAN MOTOR
1∅220‑240V
50Hz
BRW
BLU
GRN&YEL
N
Heat exchanger
GRN&YEL
WHI
BLK
CN31 BLK
P04
CN01
Heat exchanger
Sensor(TC)
Thermo sensor(TA) CN03
CN25 CN12
Infrared rays receiver
WP‑017
and indication parts.
11
22
11
22
11
22
33
44
5
6
7
8
5
6
7
8
11
22
33
44
5
6
7
8
5
6
7
8
BLU
BLU
BLU
BLU
BLU
BLU
BLU
WHI
43
RY01
F01
6.3 A
250 VAC
R62 R63 SG01
DSA
L01
C25 C26
21
34
R64 DB01
C27
DC 12V
DC 5V
C07
IC03
12V
MCU
CN04
PNK
PNK
RED
BLK
WHI
CN10
YEL
GRY
BRW
CN11
11
22
33
11
22
33
44
55
11
22
33
44
55
YEL
YEL
YEL
YEL
WHI
CN07
Louver motor
Fan motor
11
22
33
44
5
6
5
6
11
33
55
AC motor
Temp fuse 73 C
o
11
22
Switching power supply
Voltage regulator
1
2
3
4
WP‑018
INDOOR
TERMINAL
BLOCK
GRN&YEL
BLK
WHI
12
SINGLE PHASE

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FILE NO. SVM-08028
4. SPECIFICATION OF ELECTRICAL PARTS
4-1. Indoor Unit
4-2. Outdoor Unit (RAS-07S2AX-1)
Winding resistance (Ω)C-R C-S
(at 20ºC) 4.84 4.40
Output (Rated) 20 W, 6 poles, 1 phase, 220 - 240 V~, 50Hz
Winding resistance (Ω)Red-Black White-Black
(at 20ºC) 410 435
Output (Rated) 20 W, 6 poles, 1 phase, 220 - 240 V, 50Hz
Winding resistance (Ω)Red-Black White-Black
(at 20ºC) 235.2 260.1
Running capacitor
(for fan motor)
Running capacitor
(for compressor)
4RS44B256U0213SAC 440 V~, 25µF
5Overload relay U/T : 4.2A (80ºC), Open : 135±5ºC, Close : 69±11ºC
DS451155NPQB AC 450 V~, 1.5µF 3
WLF-240-20A
(Type "A")
SKF-240-20B
(Type "B")
Fan motor (for outdoor)2
Specifications
PH108X1C-4DZDN2Compressor1
JMRA99208-9102
ST-001
No. Parts name Type Specifications
1Fan motor (for indoor) AFS-220-20-4AR AC Motor with 145 °C thermo fuse
2 Thermo sensor (TA-sensor) 10k at 25 C
3Switching power supply (T01)
4Microcontroller unit (IC30) TMP87CM40ANG-6P68
5 Heat exchanger sensor 10k at 25 C
(TC-sensor)
6 Line filter (L01) LC*SS11V-06270 27mH, 600mA
7Bridge rectifier (DB01) DB105G 1A, 600 V
8Capacitor (C27)EKMH401VSN470MP20S 47mF, 400 V
9Fuse (F01) BET6.3A 6.3A, 250VAC
10 Varistor (R62, R63)SR561K14DL 560 V
11 Resistor (R64)RF-2TK5R6 5.6 , 2 W
12 Louver motor MP24ZCT 12VDC
13 Relay (Comp., RY01) G4A-1A-E-CA Rating 20A/AC250 V, 12VDC
W
W
W
°
°
Output (Rated) 605W, 2 poles, 1 phase, 220 - 240V~, 50Hz

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4-3. Outdoor Unit (RAS-09SASX-1)
FILE NO. SVM-08028
No. Parts name Type
Output (Rated) 780W, 2 poles, 1 phase, 220 - 240 V~, 50H
z
Winding resistance (Ω)C-R C-S
(at 20ºC) 3.51 3.67
Output (Rated) 20 W, 6 poles, 1 phase, 220 - 240 V~, 50Hz
Winding resistance (Ω)Red-Black White-Black
(at 20ºC) 410 435
Output (Rated) 20 W, 6 poles, 1 phase, 220 - 240 V, 50Hz
Winding resistance (Ω)Red-Black White-Black
(at 20ºC) 235.2 260.1
Running capacitor
(for fan motor)
Running capacitor
(for compressor)
4RS44B356U0215SAC 440 V~, 35µF
5Overload relay U/T : 6.1A (80ºC), Open : 135±5ºC, Close : 75±11ºC
DS451155NPQB AC 450 V~, 1.5µF 3
WLF-240-20A
(Type "A")
SKF-240-20B
(Type "B")
Fan motor (for outdoor)2
Specifications
QK164PBA
Compressor1
LPAP960B