Toshiba RAS-24SKP-ES2 User manual

April, 2010
FILE NO. SVM-10049
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-24SKP-ES2/ RAS-24SA-ES2
RAS-24SKHP-ES2/ RAS-24S2AH-ES2

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FILE NO. SVM-10049
CONTENTS
1. SPECIFICATIONS
2. CONSTRUCTIONVIEWS
2-1 Indoor Unit
2-2 Outdoor Unit
3. WIRING DIAGRAM
4. SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit (RAS-24SKP-ES2)
4-2
Outdoor Unit (RAS-24SA-ES2)
5. REFRIGERATION CYCLE DIAGRAM
5-1RAS-24SKP-ES2/ RAS-24SA-ES2
6. CONTROL BLOCK DIAGRAM
3-1 RAS-24SKP-ES2 / RAS-24SA-ES2
3-2 RAS-24SKHP-ES2 / RAS-24S2AH-ES2
4-3Indoor Unit (RASP-24SKHP-ES2)
4-4Outdoor Unit (RAS-24S2AH-ES2)
5-2RAS-24SKHP-ES2/ RAS-24S2AH-ES2
6-1 RAS-24SKP-ES / RAS-24SA-ES2
6-2 RAS-24SKHP-ES2/ RAS-24S2AH-ES2
7. OPERATION DESCRIPTION
7-2Outline of Air Conditioner Control
7-3Description of Operation Circuit
7-4Description of Safety and Reliability Prevention Function
7-5One-Touch Operation
7-6Hi POWER Operation
7-7QUIET Operation
7-8ECO Operation
7-9COMFORT SLEEP Operation
7-10 FILTER Check lamp
7-1 Remote control
7-11 Auto Restart Function
7-12 Self-Cleaning Operation

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FILE NO. SVM-10049
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 Test Operation
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)
9-6
9-7Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire)
9-8Troubleshooting for P.C. Board
9-9Troubleshooting for Remote Control
10.
10-1 Indoor Unit
10-2 Outdoor Unit
11. EXPLODEDVIEWS AND PARTS LIST
11-1 Indoor Unit (E - Parts Assy)
11-2 Indoor Unit
11-3
11-4
Outdoor Unit (RAS-24SA-ES2)
Outdoor Unit (RAS-24S2AH-ES2)
9-5How To Diagnose Faulty Parts
Troubleshooting for Indoor unit
HOW TO REPLACE THE MAIN PARTS

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FILE NO. SVM-10049
1. SPECIFICATIONS
MODEL RAS-24SKP-ES2
RAS--24SA-ES2
ITEM Cooling
kW
Phase
V
Hz
Power consumption W
Power factor %
Running A
Current Indoor/Outdoor
Starting current A
Moisture removal lit/h
Noise Indoor (H/M+/M/L+/L) dB
Outdoor (220-240V) dB
Refrigerant Name of refrigerant
Rated amount kg
Refrigerant control
Interconnection Gas side size mm
pipe Connection type
Liquid side size mm
Connection type
Maximum length m
(One way)
Maximum height m
difference
INDOOR UNIT
Dimensions Height mm
Width mm
Depth mm
Net weight kg
Evaporator type
Indoor fan type
Airflow volume High fan m3/h
Medium fan m3/h
Low fan m3/h
Fan motor output W
Air filter
OUTDOOR UNIT
Dimensions Height mm
Width mm
Depth mm
Net weight kg
Condenser type
Outdoor fan type
Airflow volume m3/h
Fan motor output W
Compressor Model
Output W
Safety device
Louver type
Usable outdoor temperature range °C
4200
15 ~ 43
RAS-24SKP-ES2
25*2
10
57
15*1
2070
97
0.3/9.1 0.3/8.6
1∅
220 - 240
50
Capacity
Power source
220V
6.80240V 6.85
2030
98
2.7
55
50/48/46/43/40
56 R410A
1.90
Capillary tube
∅12.7
Flare connection
∅6.35
Flare connection
Fuse , IOL
320
1050
228
13
Finned tube
Cross flow fan
1240
1000
850
30
Honeycomb woven filter with PP frame
RAS-24SA-ES2
Finned tube
890
900
320
59
Propeller fan
4000
Automatic louver
85
PA271X3CS-4MUL
2000
Note *1 Chargeless pipe
*2 Maximum pipe

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FILE NO. SVM-10049
MODEL RAS-24SKHP-ES2
RAS-24S2AH-ES2
ITEM Cooling Heating
kW
Phase
V
Hz
Power consumption W
Power factor %
Running Indoor A 0.30
Current Outdoor A 9.409.108.95 8.90
Starting current A
Moisture removal lit/h
Noise Indoor (H/M+/M/L+/L) dB
Outdoor (220-240V) dB
Refrigerant Name of refrigerant
Rated amount kg
Refrigerant control
Interconnection Gas side size mm
pipe Connection type
Liquid side size mm
Connection type
Maximum length m
(One way)
Maximum height m
difference
INDOOR UNIT
Dimensions Height mm
Width mm
Depth mm
Net weight kg
Evaporator type
Indoor fan type
Airflow volume High fan m3/h
Medium fan m3/h
Low fan m3/h
Fan motor output W
Air filter
OUTDOOR UNIT
Dimensions Height mm
Width mm
Depth mm
Net weight kg
Condenser type
Outdoor fan type
Airflow volume m3/h
Fan motor output W
Compressor Model
Output W
Safety device
Louver type
Usable outdoor temperature range °C
4200
15 ~ 43 -10 ~ 24
RAS-24SKHP-ES2
1240
1000
25*2
10
57-58
15*1
98 2050 96
240V 220V
6.82 7.28
1∅
220 - 240
50
2100 1930
Capacity
Power source
220V
6.78
240V
7.32
2030
98 96
55
2.7
50/48/46/43/40
56-57 R410A
2.00
Capillary tube
∅12.7
Flare connection
∅6.35
Flare connection
Fuse , IOL
320
1050
228
14
Finned tube
Cross flow fan 1240
1000
85085030
Honeycomb woven filter with PP frame
RAS-24S2AH-ES2
Finned tube
890
900
320
64
Propeller fan
4000 42004000
Automatic louver
85
PA271X3CS-4MUL
2000
Note *1 Chargeless pipe
*2 Maximum pipe

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FILE NO. SVM-10049
Note : 1
•Capacity is based on the following temperature conditions.
Note : 2
•Charge refrigerant according to the table below.
Temperature Condition JIS C9612
Cooling Heating
Indoor unit inlet air temperature (DB) 27°C20°C
(WB) 19°C15°C
Outdoor unit inlet air temperature (DB) 35°C7°C
(WB) 24°C6°C
Refrigerant
*1 No need to charge 15 m or less
extra refrigerant
*2 Need to charge Over 15 m up to 25m (20 g/m)
extra refrigerant
RAS-24SKHP-ES2 / RAS-24S2AH-ES2
RAS-24SKP-ES2 / RAS-24SA-ES2

2.CONSTRUCTIONVIEWS
2-1. Indoor Unit
FILE NO. SVM-10049
73.57
Air inlet Air filter
Heat exchanger
Air outlet
1050
320
Front Panel
Grille Inlet
Knock out system
50
Knock out system
228
73.5
50
7
65
262.5
40
262.5
215
235
215
235
320
40
10947 215.5 153.5
85 23
65
200
525
278 200 222 150
6)
Hanger 8~
Hanger Hanger
Center line
10)
Installation plate outline
For stud bold (
For stud bold (
Outline of indoor unit
786
72 78
50 50
78 72
Drain hose (0.5m)
12.70)
Connecting pipe (0.39m) Connecting pipe (0.49m)
6.35)(Flare
Hanger
(Flare
Hanger
132
19
157
Wireless remote controller
56
Remote controller holder
26
125
63
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FILE NO. SVM-10049
2-2. Outdoor Unit
A Detail Drawing (Back leg)
150
438
FAN-GUARD
HANDLE
113
365
525
Z
PANEL-PIPING-BK
ZView
R6
Service port
HANDLE
600
600
365
56.5
320
890
150600
400
365
Liquid-side
(Flare 6.35)
Gas-side
(Flare12.70)
128
82
45
Air inlet
600 or more
1000 or more
Air outlet
150ormore
200 or more
320
4x17Longholes
365
12x17 Hole
B Detail Drawing (Front leg)
A
B
56.5
25Drainoutlet2- 12x17 Hole
Installation dimension
Ø
Ø
Ø
Ø
Ø
Ø
Ø
547

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FILE NO. SVM-10049
3. WIRING DIAGRAM
3
12
OUTDOOR
3-1. RAS-24SKP-ES2 / RAS-24SA-ES2
6/T35/L3
LN3
12
RED
RED
RED
RED
BLK
BLK CHASSIS
GRY
POWER SUPPLY
220 −240 V ~ 50 Hz
SPARK KILLER
MAGNETIC CONTACTOR
BLK BLK
RED
A2 A1
52C
1/L1 2/T1
COMPRESSOR
WHI
PNK BLK
C
S
R
CAPACITOR
CAPACITOR
WHI
RED
FAN MOTOR
BLK
OUTDOOR
TERMINAL
BLOCK
UNIT

3
12
TRANSFORMER
MAINP.C. BOARD (MCC-890)
OUTDOOR
UNIT
GRN&YEL
FERRITE CORE
DISCHARGE
PIPE
SENSOR (TD)
HEAT
EXCHANGER
SENSOR (TE)
CN08
CN07
BLU
BLU
BLK
BLK
11
2
33
11
2
33
RED
RED
BLK
BLK
MAGNETIC
CONTACTOR
1/L1 A1
A2
52C
2/T1
5/L3
6/T3
PNK
WHI BLK WHI BLK BLK
COIL FOR
4 WAY VALVE
RED
RED
RED
CAPACITOR CAPACITOR
BLK
BLK
WHI
RED CN01
CN05
GRY
1
3
5
7
9
1
3
5
7
9
BLK
BLK
RED
RED
11
33
11
33
2
CN11
BLU
YEL
1
3
1
3
1
1
3
CN02
BLU
BLU
11
33
CN03
F01
250VAC T6. 3A
CR11
CR12
CR13
RY07
RY05
RY06
SG01
CN06
TNR
R74
TNR
R73
COMPRESSOR FAN MOTOR
OUTDOOR
TERMINAL
BLOCK
LN3
1 2
S
R
C
POWER SUPPLY
220-240V~50 Hz
i
CHASSIS
3-2. RAS-24SKHP-ES2 / RAS-24S2AH-ES2
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FILE NO. SVM-10049