Toshiba RAS-13UKPX-T2 User manual

SERVICE MANUAL
AIR-CONDITIONER
SPLIT WALL TYPE
FILE NO. SVM-02003
RAS-13UKPX-T2 / RAS-13UAX-T2
RAS-10UKPX-T2 / RAS-10UAX-T2
RAS-07UKPX-T2 / RAS-07UAX-T2
RAS-13UKX / RAS-13UAX
RAS-10UKX / RAS-10UASX
10/13 Class
Apr., 2002
07 Class

FILE NO. SVM-02003
– 1 –
CONTENTS
1. SPECIFICATIONS
2. CONSTRUCTIONVIEWS
2-1 Indoor Unit (RAS-13UKPX-T2, RAS-10UKPX-T2, RAS-07UKPX-T2)
2-2 Indoor Unit (RAS-13UKX, RAS-10UKX)
2-3. Outdoor Unit (RAS-13UAX-T2, RAS-13UAX)
2-4.Outdoor Unit (RAS-10UAX-T2)
2-5.Outdoor Unit (RAS-10UASX, RAS-07UAX-T2)
3. WIRING DIAGRAM
4. SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit
4-2 Outdoor Unit (RAS-13UAX-T2)
4-3 Outdoor Unit (RAS-13UAX)
4-4 Outdoor Unit (RAS-10UAX-T2, RAS-10UASX)
4-5 Outdoor Unit (RAS-07UAX-T2)
5. REFRIGERATION CYCLE DIAGRAM
5-1 RAS-13UKPX-T2 / RAS-13UAX-T2
5-2 RAS-10UKPX-T2 / RAS-10UAX-T2
5-3 RAS-07UKPX-T2 / RAS-07UAX-T2
5-4 RAS-13UKX / RAS-13UAX
5-5 RAS-10UKX / RAS-10UASX
6. CONTROL BLOCK DIAGRAM
6-1 RAS-13UKPX-T2 / RAS-13UAX-T2
RAS-10UKPX-T2 / RAS-10UAX-T2
RAS-07UKPX-T2 / RAS-07UAX-T2
6-2 RAS-13UKX / RAS-13UAX
RAS-10UKX / RAS-10UASX
7. OPERATION DESCRIPTION
7-1 Outline of Air Conditioner Control
7-2 Description of Operation Circuit
7-3 Hi POWER Mode
7-4 High-Temperature Limit Control
7-5 Low-Temperature Limit Control
7-6 Auto Restart Function
7-7 Filter Check Lamp

FILE NO. SVM-02003
– 2 –
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)
10. PARTS REPLACEMENT
10-1 Indoor Unit
10-2 Outdoor Unit (RAS-13UAX-T2, RAS-13UAX)
10-3 Outdoor Unit (RAS-10UAX-T2)
10-4 Outdoor Unit (RAS-07UAX-T2, RAS-10UASX)
11. EXPLODED VIEWS AND PARTS LIST
11-1 Indoor Unit (E-Parts Assy)
11-2 Indoor Unit (RAS-13UKPX-T2, RAS-10UKPX-T2, RAS-07UKPX-T2)
11-3 Indoor Unit (RAS-13UKX, RAS-10UKX)
11-4 Outdoor Unit (RAS-13UAX-T2)
11-5 Outdoor Unit (RAS-10UAX-T2)
11-6 Outdoor Unit (RAS-13UAX)
11-7 Outdoor Unit (RAS-10UASX, RAS-07UAX-T2)

– 3 –
FILE NO. SVM-02003
RAS-13UKPX-T2 RAS-10UKPX-T2 RAS-07UKPX-T2 RAS-13UKX / RAS-13UAX RAS-10UKX / RAS-10UASX
RAS-13UAX-T2 RAS-10UAX-T2 RAS-07UAX-T2
ITEM Cooling
Capacity 220V 220V 220V 220V 240V 220V 240V
kW 3.65 2.70 2.10 3.70 3.75 2.60 2.60
Phase 1∅
Power source V 220 220 – 240
Hz 50
Power consumption kW 1.05 0.80 0.60 1.25 1.29 0.88 0.93
Power factor % 98 96 92 98 95 95 94
Running Indoor A 0.15
current Outdoor A 4.70 3.65 2.80 5.66 5.53 4.05 3.98
Starting current A 25 11 24 16
Moisture removal lit/h 2.0 1.2 0.8 2.0 1.2
Noise Indoor (H/M/L) dB 41/35/31 39/33/26 38/32/26 41/35/31 39/33/26
Outdoor (220-240V) dB 49 46 44 47-48 45-46
Refrigerant Name of refrigerant R-22
Rated amount kg 0.80 0.85 0.57 0.78 0.65
Refrigerant control Capillary tube
Gas side size mm ∅12.70 ∅9.52 ∅12.70 ∅9.52
Connection type Flare connection
Liquid side size mm ∅6.35
Interconnection Connection type Flare connection
pipe Maximum length m 15*110*115*110*1
(One way)
Maximum height m6 5 6 5
difference
INDOOR RAS-13UKPX-T2 RAS-10UKPX-T2 RAS-07UKPX-T2 RAS-13UKX RAS-10UKX
Height mm 275
Dimensions Width mm 790
Depth mm 208
Net weight kg 10
Evaporator type Finned tube
Indoor fan type Cross flow fan
High fan m3/h 630 570 630
Air volume Medium fan m3/h 550 490 460 550 490
Low fan m3/h 460 370 340 460 370
Fan motor output W 30
Air filter Honeycomb woven filter with PP frame
OUTDOOR RAS-13UAX-T2 RAS-10UAX-T2 RAS-07UAX-T2 RAS-13UAX RAS-10UASX
Height mm 538 530 538 530
Dimensions Width mm 780 770 660 780 660
Depth mm 300 200 240 300 240
Net weight kg 41 30 26 37 28
Condenser type Finned tube
Outdoor fan type Propeller fan
Airflow volume m3/h 1830 1700 1280 1700 1900 1420 1520
Fan motor output W 42 30 20 30
Compressor Model
RM5515FNE96 RM5510GNE94 PH80T1-4C PH160T2-4L2 PH102T1-4C
Output W 1100 750 605 1100 750
Safety device Fuse, Overload relay
Louver type Automatic louver
Usable outdoor temperature range °C 21 ~ 43
1. SPECIFICATIONS
MODEL

– 4 –
FILE NO. SVM-02003
Note : 1
•Capacity is based on the following temperature conditions.
Note : 2
•Charge refrigerant according to the table below.
RAS-10UKPX-T2 / RAS-10UAX-T2
Refrigerant RAS-07UKPX-T2 / RAS-07UAX-T2
RAS-10UKX / RAS-10UASX
*1 No need to charge 15m or less 10m or less
refrigerant
Temperature Condition JIS C9612-1994
Cooling
Indoor unit inlet air temperature (DB) 27°C
(WB) 19°C
Outdoor unit inlet air temperature (DB) 35 °C
(WB) 24 °C
RAS-13UKX-T2 / RAS-13UAX-T2
RAS-13UKX / RAS-13UAX

FILE NO. SVM-02003
– 5 –
2. CONSTRUCTIONVIEWS
2-1. Indoor Unit (RAS-13UKPX-T2, RAS-10UKPX-T2, RAS-07UKPX-T2)
Connecting pipe (0.33m)
(For 07,10 series ; Flare ∅9.52
For 13 series ; Flare ∅12.7)
Knock out system
Back body
Front panel
Air outlet
Air inlet Air filter Heat exchanger
Knock out system
660
275
790
48
208
48
48
26
4519040
32
64
590
320
620
235 235
215 215
9090
275 45
150150 160160
120 80
53
660
Hanger
Hanger
Hanger
Hanger Hanger
Drain hose (0.54m) Connecting pipe (0.43m)
(Flare ∅6.35)
For stud bolt
(∅8~∅10)
For stud bolt (∅6)
Installation plate outline
Center line
Minimum
distance
to ceiling
170 or more
Minimum
distance
to ceiling
170 or more
65 or more
Minimum
distance
to ceiling
Wireless remote control
57 18
160

FILE NO. SVM-02003
–6 –
2-2. Indoor Unit (RAS-13UKX, RAS-10UKX)
Front panel
Back body
Knock out system
660
275
48 Air outlet
Air inlet Air Filter 790 Heat exchanger
Knock out system
660
48
48
208
64
80590
320
620
235
215 215
9090 150150 160160
26
32 4540 190
275 45
235
120
53
Hanger
Hanger
Hanger
Hanger Hanger
Drain hose (0.54m) Connecting pipe (0.43m)
(Flare ∅6.35)
Connecting pipe (0.33m)
(For 07,10 series ; Flare ∅9.52
For 13 series ; Flare ∅12.7)
For stud bolt
(∅8~∅10)
Installation plate outline
Center line
Minimum
distance
to ceiling
170 or more
Minimum
distance
to ceiling
170 or more
65 or more
Minimum
distance
to ceiling
Wireless remote control
57 18
160

FILE NO. SVM-02003
–7 –
2-3. Outdoor Unit (RAS-13UAX-T2, RAS-13UAX)
538
325
325
52.5
23
301
325
300
Handle
∅25Drain outlet
Electric parts cover
Service
port
61
54
325 (pitch) (8.5)
(8.5) 342
100 or more
100 or more 600 or more
600 or more
Installation dimension
600
Air inlet
Air outlet
8-∅6 hole (for fixing outdoor unit)
Liquid side (Flare ∅6.35)
Gas side (Flare ∅12.7)
120
∅11x14 hole
∅6 hole
R10
600
Detail Drawing
50
36
AA
4-∅11x14 hole (for ∅8-∅10 anchor bolt)
600
100
130
780 90 59
27
Fan guard
∅420
Z
View
Z
4x∅11x14 Long holes (for ∅8-∅10 anchor bolt)

FILE NO. SVM-02003
–8 –
2-4. Outdoor Unit (RAS-10UAX-T2)
600 85
36 111 ∅25 Drain hole
50
30
216 230
8-∅6 Holes
(For fixing the outdoor unit)
4-∅11x14 Long holes
(For anchor bolt ∅8-∅10)
Gas side (flare ∅9.52)
Liquid side (flare ∅6.35)
111
A
600
R10
50
36
25
216 230
∅11x14 Hole ∅6 Hole
Handle
11
525 530
5
268
Fan guard
∅420
770 59
89
200
11
12
Electric
parts cover
Z
54 62
Access for
charging
250
Z
View
600
45 or more
Air inlet
600 or more
(Minimum distance
of the wall)
4-∅11x14 Long holes
400 or more
Air
outlet
Center
port
230
100 or more
Air inlet
Visible outline of the product
A
Detail Drawing
Mounting dimension of anchor bolt
268
770
59
89
(For anchor bolt ∅8-∅10)

FILE NO. SVM-02003
–9 –
2-5. Outdoor Unit (RAS-10UASX, RAS-07UAX-T2)
Z
Cover PV
54
273.5
59.5
∅420
500 97.5 (11) 297 (12.5)273.5 (pitch)
660
242
56
ADetail Drawing (Back Leg)
660
50
36
R 15
R 5.5
273.5
265
∅6 Hole
BDetail Drawing (Front Leg)
50
36
R 15
660
265
273.5
∅6 Hole
∅11x14 Hole
A
B
ZView
97
∅25Drain outlet
2-∅11x14 hole
(for ∅8-∅10 anchor bolt)
Fan guard
530
Liquid side
(Flare ∅6.35)
Gas side
(Flare ∅12.7)
Service port
126
48
325
100 or more
100 or more 600 or more
600 or more
Installation dimension
600
Air inlet
Air outlet 4x∅11x14 Long holes (for ∅8-∅10 anchor bolt)

FILE NO. SVM-02003
– 10 –
3. WIRING DIAGRAM
CN13
CN07
BLK
GRN&YEL
POWER
TERMINAL
BLOCK
POWER SUPPLY
SINGLE PHASE
220-240V ,
50 Hz
BRW
BLU
BLK WHI GRN&YEL
OUTDOOR
TERMINAL
BLOCK
INDOOR
TERMINAL
BLOCK
WHI
DSA VARISTOR
RY01
4
3
F01
C15 L01
IC03
C58
R48
R46
R47
CR03
D38
C01 R01 DB01
POWER
SUPPLY
CIRCUIT
C02
DC 12V
DC 5V
R21
VARISTOR
MAIN P.C. BOARD
MCC-862
T6.3A
250V
P04 SG01
CN04
INDOOR
OUTDOOR
1 2
1 2
CAPACITOR CAPACITOR
RED
RED
RED
WHI
WHI
BLK
C
BLK
BLK GRN & YEL
CHASSIS
RED
FAN MOTOR
OVER LOAD
RELAY
R
S
YEL
135
GRY BRW
BLK
WHI RED
CN01CN03
THERMO
SENSOR
(TA)
HEAT
EXCHANGER
SENSOR
(TC)
CN10CN11
AC FAN MOTOR
BLK BLK
135
135
24
246
6
1
3
51
3
5
12
123
31
12 2
BLK BLK
1
12 2
:
:
:
:
:
:
:
:
:
:
:
BROWN
RED
WHITE
YELLOW
BLUE
BLACK
GRAY
PINK
ORANGE
GREEN &
GREENGRN YELLOW
BRW
RED
WHI
YEL
BLU
BLK
GRY
PNK
ORN
GRN&YEL
COLOR IDENTIFICATION
BLU BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
YEL
CN25
PNK
PNK
YEL YEL YEL WHI
INFRARED RAYS RECEIVE
AND INDICATION PARTS
4 5 6 7 8 9 10 11
3
12
4 5 6 7 8 9 10 11
3
124 5 6 7 8 9 10 11
3
12
2 1
3
542 1
3
54
12
12
R22
N
L
Louver motor
GRN&YEL

FILE NO. SVM-02003
– 11 –
4. SPECIFICATION OF ELECTRICAL PARTS
4-1. Indoor Unit
4-2. Outdoor Unit (RAS-13UAX-T2)
No. Parts name Type Specifications
Output (Rated) 1100W, 2poles, 1 phase, 220 – 240V, 50Hz
1 Compressor RM5515FNE96 Winding resistance (Ω) C-R C-S
(at 20°C) 2.43 3.78
Output (Rated) 42W, 6poles, 1 phase, 220 – 240V, 50/60Hz
2 Fan motor (for outdoor) HF-240-42B Winding resistance (Ω) Red-Black White-Black
(at 20°C) 176.2 290.5
3Running capacitor DS451205BPQA AC 450V, 2.0µF
(for fan motor)
4Running capacitor DS371306CPNB AC 370V, 30µF
(for compressor)
5 Overload relay LAAO00A U/T: 9.0A (80°C), OPEN: 135±5°C, CLOSE: 75±11°C
No. Parts name Type Specifications
1 Fan motor (for indoor) MMF-240-20-4A-1 AC Motor with 135°C thermo fuse
2 Thermo sensor (TA-sensor) ——— 10kΩat 25°C
3 Switching transformer (T01) SWT-47
4 Microcontroller unit (IC30) TMP87CM40AN-2C67
5 Heat exchanger sensor ——— 10kΩat 25°C
(TC-sensor)
6 Line filter (L01) LC*SS11V-06270 27mH, 600mA
7 Bridge rectifier (DB01) D3SBA60 4A, 600V
8 Capacitor (C02) KMH400VSSN47M22S 47µF, 400V
9 Fuse (F01) TSCR6.3A T6.3A, 250VAC
10 Varistor (R21, R22) 15G561K 560V
11 Resistor (R01) RF-2TK5R6 5.6Ω, 2W
12 Louver motor MP24GA 12VDC
13 Relay (Comp., RY01) DI12D1 Rating 20A/AC250V, 12VDC

FILE NO. SVM-02003
– 12 –
4-3. Outdoor Unit (RAS-13UAX)
4-4. Outdoor Unit (RAS-10UAX-T2, RAS-10UASX)
No. Parts name Type Specifications
Output (Rated) 1100W, 2poles, 1 phase, 220 – 240V, 50Hz
1 Compressor PH160T2-4L2 Winding resistance (Ω) C-R C-S
(at 20°C) 2.43 3.78
Output (Rated) 30W, 6poles, 1 phase, 220 – 240V, 50/60Hz
2 Fan motor (for outdoor) HF-240-30B Winding resistance (Ω) Red-Black White-Black
(at 20°C) 245 388
3Running capacitor DS501155BPQA AC 500V, 1.5µF
(for fan motor)
4Running capacitor DS371356CPNB AC 370V, 35µF
(for compressor)
5 Overload relay LAAO00A U/T: 9.0A (80°C), OPEN: 135±5°C, CLOSE: 75±11°C
No. Parts name Type Specifications
Output (Rated) 800W, 2poles, 1 phase, 220 – 240V, 50Hz
1 Compressor Winding resistance (Ω) C-R C-S
(at 20°C) 2.159 3.899
Output (Rated) 750W, 2poles, 1 phase, 220 – 240V, 50Hz
Winding resistance (Ω) C-R C-S
(at 20°C) 3.88 5.06
Output (Rated) 30W, 6poles, 1 phase, 220 – 240V, 50Hz
2 Fan motor (for outdoor) HF-240-30B Winding resistance (Ω) Red-Black White-Black
(at 20°C) 245 388
3Running capacitor DS501155BPQA AC 500V, 1.5µF
(for fan motor)
4Running capacitor DS371256CPNB AC 370V, 25µF
(for compressor)
5 Overload relay LPAP960B U/T: 6.1A (80°C), OPEN: 135±5°C, CLOSE: 78±11°C
RM5510GNE94
(RAS-10UAX-T2)
PH102T1-4C
(RAS-10UASX)

FILE NO. SVM-02003
– 13 –
4-5. Outdoor Unit (RAS-07UAX-T2)
No. Parts name Type Specifications
Output (Rated) 750W, 2poles, 1 phase, 220 – 240V, 50Hz
1 Compressor PH80T1-4C Winding resistance (Ω) C-R C-S
(at 20°C) 4.80 8.37
Output (Rated) 20W, 6poles, 1 phase, 220 – 240V, 50Hz
2 Fan motor (for outdoor) HF-240-20B Winding resistance (Ω) Red-Black White-Black
(at 20°C) 387.3 466.2
3Running capacitor DS501155BPQA AC 500V, 1.5µF
(for fan motor)
4Running capacitor DS371156CPNB AC 370V, 15µF
(for compressor)
5 Overload relay JMRA99269-9200 U/T: 4.2A (80°C), OPEN: 135±5°C, CLOSE: 69±11°C

FILE NO. SVM-02003
– 14 –
Note :
• Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
Standard 0.48 13.0 High 27/19 35/24
Cooling Overload 0.60 18.0 High 32/23 43/26
Low temperature 0.42 2.0 Low 21/15 21/15
50Hz Fan speed
(indoor)
Ambient temp.
conditions DB/WB
(°C)
Indoor Outdoor
Standard
pressure P
(MPaG)
Surface temp. of heat
exchanger interchanging
pipe T1 (°C)
5. REFRIGERATION CYCLE DIAGRAM
5-1. RAS-13UKPX-T2 / RAS-13UAX-T2
Heat exchanger
Indoor unit
Cross flow fan
Cooling
Cooling Compressor
Condenser
Propeller fan
Outdoor unit
Capillary tube
∅1.7x500S
RM5515FNE96
Cooling Mark( )means check points of Gas Leak.
O.D.:12.7mm O.D.:6.35mm
Cooling
Packed valve
(∅12.7) Packed valve (∅6.35)
0.39m
(Connecting pipe)
∅12.7
0.49m
(Connecting pipe)
∅6.35
T1
P
Refrigerant
R-22 : 0.80 kg.

FILE NO. SVM-02003
–15 –
5-2. RAS-10UKPX-T2 / RAS-10UAX-T2
Indoor unit
Cross flow fan
Cooling
Cooling Compressor
Condenser
Propeller fan
Outdoor unit
RM5510GNE94
Cooling Mark( )means check points of Gas Leak.
O.D.:9.52mm O.D.:6.35mm
Cooling
Packed valve
(∅9.52) Packed valve (∅6.35)
0.39m
(Connecting pipe)
∅9.52
0.49m
(Connecting pipe)
∅6.35
T1
P
Refrigerant
R-22 : 0.85 kg.
Evaporator
Capillary tube
∅1.5x1200S
Note :
•Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
Standard 0.58 13.0 High 27/19 35/24
Cooling Overload 0.64 17.0 High 32/23 43/26
Low temperature 0.39 2.0 Low 21/15 21/15
50Hz Fan speed
(indoor)
Ambient temp.
conditions DB/WB
(°C)
Indoor Outdoor
Standard
pressure P
(MPaG)
Surface temp. of heat
exchanger interchanging
pipe T1 (°C)

FILE NO. SVM-02003
–16 –
5-3. RAS-07UKPX-T2 / RAS-07UAX-T2
Note :
•Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
Standard 0.45 14.0 High 27/19 35/24
Cooling Overload 0.69 18.0 High 32/23 43/26
Low temperature 0.40 3.0 Low 21/15 21/15
50Hz Fan speed
(indoor)
Ambient temp.
conditions DB/WB
(°C)
Indoor Outdoor
Standard
pressure P
(MPaG)
Surface temp. of heat
exchanger interchanging
pipe T1 (°C)
Heat exchanger
Indoor unit
Cross flow fan
Cooling
Cooling Compressor
Condenser
Propeller fan
Outdoor unit
Capillary tube
∅1.5x1200S
PH80T1-4C
Cooling Mark( )means check points of Gas Leak.
O.D.: 9.52mm O.D.:6.35mm
Cooling
Packed valve
(˘9.52) Packed valve (∅6.35)
0.39m
(Connecting pipe)
˘9.52
0.49m
(Connecting pipe)
∅6.35
T1
P
Refrigerant
R-22 : 0.57 kg.

FILE NO. SVM-02003
–17 –
5-4. RAS-13UKX / RAS-13UAX
Note :
•Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
Standard 0.45 13.0 High 27/19 35/24
Cooling Overload 0.62 18.0 High 32/23 43/26
Low temperature 0.40 2.0 Low 21/15 21/15
50Hz Fan speed
(indoor)
Ambient temp.
conditions DB/WB
(°C)
Indoor Outdoor
Standard
pressure P
(MPaG)
Surface temp. of heat
exchanger interchanging
pipe T1 (°C)
Indoor unit
Cross flow fan
Cooling
Cooling Compressor
Condenser
Propeller fan
Outdoor unit
PH160T2-4L2
Cooling Mark( )means check points of Gas Leak.
O.D.: 12.7mm O.D.:6.35mm
Cooling
Packed valve
(˘12.7) Packed valve (∅6.35)
0.39m
(Connecting pipe)
˘12.7
0.49m
(Connecting pipe)
∅6.35
T1
P
Refrigerant
R-22 : 0.78 kg.
Evaporator
Capillary tube
∅1.7x700S

FILE NO. SVM-02003
–18 –
5-5. RAS-10UKX / RAS-10UASX
Indoor unit
Cross flow fan
Cooling
Cooling Compressor
Condenser
Propeller fan
Outdoor unit
PH102T1-4C
Cooling Mark( )means check points of Gas Leak.
O.D.:9.52mm O.D.:6.35mm
Cooling
Packed valve
(∅9.52) Packed valve (∅6.35)
0.39m
(Connecting pipe)
∅9.52
0.49m
(Connecting pipe)
∅6.35
T1
P
Refrigerant
R-22 : 0.65 kg.
Evaporator
Capillary tube
∅1.5x1400S
Accumulator
Note :
•Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
Standard 0.52 13.0 High 27/19 35/24
Cooling Overload 0.65 18.0 High 32/23 43/26
Low temperature 0.40 3.0 Low 21/15 21/15
50Hz Fan speed
(indoor)
Ambient temp.
conditions DB/WB
(°C)
Indoor Outdoor
Standard
pressure P
(MPaG)
Surface temp. of heat
exchanger interchanging
pipe T1 (°C)

FILE NO. SVM-02003
– 19 –
6. CONTROL BLOCK DIAGRAM
6-1. RAS-13UKPX-T2 / RAS-13UAX-T2, RAS-10UKPX-T2 / RAS-10UAX-T2,
RAS-07UKPX-T2 / RAS-07UAX-T2
REMOTE CONTROL
Heat Exchange sensor
Main Unit Control Panel M.C.U.
Functions Operation
Display
Timer
Display
Filter Sign
Display
Hi Power
Sign Display
Fan Only
Sign Display
Indoor Fan
Motor
Louver
Motor
Louver
ON/OFF
Signal
Compressor
ON/OFF
Signal
Power Supply
Circuit
Noise Filter Relay Driver, Louver Driver
Relay
RY01
220-240 V~, 50Hz Compressor, Outdoor Fan Motor
Initiallizing Circuit
Clock Frequency
Oscillator Circuit
•Louver Control
•3-minutes Delay at Restart
for Compressor
•Processing
(Temperature Processing)
•Motor Revolution Control
•Timer
Thermo. Sensor
Infrared Rays Signal Reciver
Remote Control
Operation (START/STOP)
Operation Mode Selection
AUTO, COOL, DRY, FAN ONLY
Temperature Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
Louver Auto Swing
Louver Direction Setting
ECO
Hi power
Filter Reset
Infrared Rays