Toshiba RAS-10YKH-E User manual

SERVICE MANUAL
FILE NO. DAS-SM-00-003
AIR-CONDITIONER
SUPPLEMENT
SPLIT WALL TYPE
RAS-10YKH-E / RAS-10YAH-E
RAS-13YKH-E / RAS-13YAH-E
RAS-10YKH-ES / RAS-10YAH-ES
RAS-13YKH-ES / RAS-13YAH-ES

– 2 –
CONTENTS
1. SPECIFICATIONS ..................................................................................... 3
2. CONSTRUCTION VIEWS ........................................................................ 6
3. WIRING DIAGRAM .................................................................................. 9
4. SPECIFICATIONS OF ELECTRICAL PARTS ..................................... 11
5. REFRIGERANT CYCLE DIAGRAM ..................................................... 13
6. CONTROL BLOCK DIAGRAM ............................................................. 17
7. OPERATION DESCRIPTIONS................................................................ 18
8. INSTALLATION PROCEDURE .............................................................. 27
9. TROUBLESHOOTING CHART .............................................................. 41
10. PART REPLACEMENT .......................................................................... 57
11. EXPLODED VIEWS AND PARTS LIST .............................................. 62

– 3 –
RAS-10YKH-E/10YAH-E RAS-13YKH-E/13YAH-E
MODEL
ITEM Cooling Heating Cooling Heating
220V–240V 220V–240V 220V–240V 220V–240V
Capacity kW *12,65–2,70 3,00–3,10 3,45–3,50 4,00–4,10
Phase Single
V220–240Power source
Hz 50
Power consumption kW 0,98–1,02 0,89–0,91 1,26–1,30 1,19–1,27
Power factor % 95–90 95–88 98–92 95–93
V220V–240V 220V–240V 220V–240V 220V–240V
Running current Indoor/Outdoor A 0,11/4,58 - 0,11/4,61 0,11/4,17 - 0,11/4,22 0,15/5,70 - 0,15/5,75 0,15/5,54 - 0,15/5,44
Starting current A 19 14 25 25
Moisture removal lit/h 1,2 2,0
Indoor (H/M/L) dB (A) 41 / 36 / 29 41 / 36 / 29 44 / 39 / 34 44 / 39 / 34
Noise
(SPL at 1 meter) Outdoor (220–240V) dB (A) 47–49 47–49 49 / 51 49 / 51
Name of refrigerant R-22
Refrigerant Rated volume kg 0,74 0,88
Refrigerant control Capillary tube
Gas side size mm 9,52 12,7
Connection type Flare connection
Liquid side size mm 6,35
Connection type Flare connection
Maximum length (of one way) m *210 15
Interconnection pipe
Maximum height difference
Indoor unit
Outdoor unit m56
Condensate drain pipe Outer diameter mm 16
INDOOR UNIT RAS-10YKH-E RAS-13YKH-E
Height mm 265
Width mm 790Dimensions
Depth mm 189
Net weight kg 8
Evaporator type Finned tube
Indoor fan type Cross flow fan
High fan m³/h 600 650
Medium fan m³/h 500 560Air flow rate
Low fan m³/h 400 510
Fan motor output W 20
Air filter Polypropylene net filter (Washable)
OUTDOOR UNIT RAS-10YAH-E RAS-13YAH-E
Height mm 530 538
Width mm 770 780Dimensions
Depth mm 200 300
Net weight kg 31 42
Condenser type Finned tube
Outdoor fan type Propeller
Air flow rate (220–240V) m³/h 1500–1700 1690–1730
Fan motor output W 18 28
Model PH120T1-4C PH170T2-4L2
Compressor Output W 750 1100
Safety device Fuse, Overload relay
Auto louver Ye s
Usable outdoor temperature range °C21–43 -5–21 21–43 -5–21
1. SPECIFICATIONS
RAS-10YKH-E / RAS-10YAH-E, RAS-13YKH-E / RAS-13YAH-E
Specifications are subject to change without notice.
↑
↓

–4 –
RAS-10YKH-ES / RAS-10YAH-ES, RAS-13YKH-ES / RAS-13YAH-ES
RAS-10YKH-ES/10YAH-ES RAS-13YKH-ES/13YAH-ES
MODEL
ITEM Cooling Heating Cooling Heating
220V–240V
Capacity kW *12,65–2,70 3,00–3,10 3,45–3,50 4,00–4,10
Phase Single
V220–240Power source
Hz 50
Power consumption kW 0,98–1,02 0,89–0,91 1,26–1,30 1,19–1,27
Power factor % 95–90 95–88 98–94 97–93
V220V–240V
Running current Indoor/Outdoor A 0,11/4,44 - 0,11/4,46 0,11/4,15 - 0,11/4,10 0,15/5,70 - 0,15/5,61 0,15/5,43 - 0,15/5,54
Starting current A 19 14 25 25
Moisture removal lit/h 1,2 2,0
Indoor (H/M/L) dB (A) 41 / 36 / 29 41 / 36 / 29 44 / 39 / 34 44 / 39 / 34
Noise
(SPL at 1 meter) Outdoor (220–240V) dB (A) 47–49 47–49 49 / 51 49 / 51
Name of refrigerant R-410A
Refrigerant Rated volume kg 0,69 0,80
Refrigerant control Capillary tube
Gas side size mm 9,52
Connection type Flare connection
Liquid side size mm 6,35
Connection type Flare connection
Maximum length (of one way) m *210 15
Interconnection pipe
Maximum height difference
Indoor unit
Outdoor unit m56
Condensate drain pipe Outer diameter mm 16
INDOOR UNIT RAS-10YKH-ES RAS-13YKH-ES
Height mm 265
Width mm 790Dimensions
Depth mm 189
Net weight kg 8
Evaporator type Finned tube
Indoor fan type Cross flow fan
High fan m³/h 600 650
Medium fan m³/h 500 560Air flow rate
Low fan m³/h 400 510
Fan motor output W 20
Air filter Polypropylene net filter (Washable)
OUTDOOR UNIT RAS-13YAH-E RAS-13YAH-ES
Height mm 530 538
Width mm 770 780Dimensions
Depth mm 200 300
Net weight kg 31 42
Condenser type Finned tube
Outdoor fan type Propeller
Air flow rate (220–240V) m³/h 1500–1700 1690–1730
Fan motor output W 18 28
Model PA118X1T-4FZ PA160X2T-4FM
Compressor Output W 750 1100
Safety device Fuse, Overload relay
Auto louver Ye s
Usable outdoor temperature range °C21–43 -5–21 21–43 -5–21
Specifications are subject to change without notice.
↑
↓

–5 –
Note : *1
•Capacity is based on the following temperature conditions.
CONDITION COOLING HEATING
TEMPERATURE
Indoor unit inlet air temperature
(DB) 27 °C 20 °C
(WB) 19 °C 12 °C
Outdoor unit inlet air temperature
(DB) 35 °C 7°C
(WB) 24 °C 6°C
Notes : *2 CHARGELESS
RAS-10YKH-E, RAS-10YKH-ES
•No additional refrigerant required.
•This air conditioner accepts a connection piping length of up to 10m and a head of up to 5m.
•There is no need to add the refrigerant as long as the total length of the connection piping is up to 10m.
RAS-13YKH-E, RAS-13YKH-ES
•No additional refrigerant required.
•This air conditioner accepts a connection piping length of up to 15m and a head of up to 6m.
•There is no need to add the refrigerant as long as the total length of the connection piping is up to 15m.

–6 –
2. CONSTRUCTION VIEWS
2-1. Indoor Unit
Air filter
790
Heat exchanger
Air inlet
265
Air outlet
47
10 50
189
47
10 50
Knock out system
790
232 326 232
Hanger
321
Drain hose (0,54m)
Connecting pipe (0,39m)
(Flare Ø6,35)
(Flare Ø9,52)
(Flare Ø12,7 for 13YKH-E only)
Hanger
65965,5
326
450
65,5
For stud bolt
(Ø8~Ø10)
For stud bolt
(Ø6)
Hanger
Minimum
distance
to wall
Minimum
distance
to ceiling
265
178,5
Knock out system
Front panel
Back body
20 2037
40,5
60,5
790
12626931976
Center line Installation
plate outline
HangerHanger
40,5
3,5
Hanger
Minimum
distance
to wall
17 20
46
120 or more 120 or more
66 or more
2,5
Connecting pipe (0,49m)

–7 –
2-2. Outdoor Unit
RAS-10YAH-E, RAS-10YAH-ES
600 85
36 111
Ø25 Drain hole
50
30
216 230
8-Ø6 Holes
(For fixing the outdoor unit)
4-Ø11x14 Long holes
(For anchor bolt Ø8-Ø10)
Gas side (flare Ø9,52)
Liquid side (flare Ø6,35)
111
A
600
R10
50
36
25
216 230
Ø11x14 Hole Ø6 Hole
Handle
11
525 530
5
268
Fan guard
Ø420 TOSHIBA
770 59
89
200
11
12
Electric
parts cover
Z
54 62
Service
port
250
Z
View
600
45 or more
Inlet port
600 or more
(Minimum distance
of the wall)
4-Ø11x14 Long holes
(For anchor bolt Ø8-Ø10)
400 or more
Outlet
port
Center
port
230
100 or more
Inlet port
Visible outline
of the product
A
Detail Drawing
Mounting dimension of anchor bolt
268
770
59
89

–8 –
RAS-13YAH-E, RAS-13YAH-ES
538
325
325
52,5
23
301
325
300
Handle
Ø25 Drain 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-Ø6 hole(for fixing outdoor unit)
Liquid side (Flare Ø6,35)
Gas side
(Flare Ø12,7 for 13YAH-E,
Flare Ø9,52 for 13YAH-ES)
120
Ø11x14 hole
Ø6 hole
R10
600
Detail Drawing
50
36
A
A
6-Ø11x14 hole (for Ø8-Ø10 anchor bolt)
600
100
130
780
90
59
27
Fan guard
Ø420
Z
View
Z
4xØ11x14 Long holes (for Ø8-Ø10 anchor bolt)

–9 –
3. WIRING DIAGRAM
RAS-10YKH-E / RAS-10YAH-E
RAS-10YKH-ES / RAS-10YAH-ES
123456
123456
53 1 12
12
12
12
L
N
FAN
MOTOR
WHI
WHI
PNK
BLK BLUBLU
RED
RED
RED
SOLENOID
COIL
BLK
CAPACITOR
CAPACITOR
GRN & YEL
CHASSIS
INDOOR
OUTDOOR
RED
BLU
BLK
WHI GRN&YEL
GRN&YEL
P04
BLK
BRW
BLU
ORN ORN
CN04 CN13
CN25
CN03CN10
C58 MCC-798
CN11 CN01
BLK BLK BLK BLK
POWER
SUPPLY
CIRCUIT
C02
DC 12V
DB01
R01
C01
L01
C15
R22
F01
6,3A
250V
R21
RY01
RY02
WHI
CR01
CR02
CN27
RY04RY03
BLK
T02
C.T
3
4
3
4
1Ø220V-240V
50Hz
POWER
TERMINAL
BLOCK
INDOOR
TERMINAL
BLOCK
THERMO
SENSOR
(TA)
AC FAN MOTOR
HEAT
EXCHANGER
SENSOR
(TC)
:
:
:
:
:
:
:
:
:
:
BROWN
RED
WHITE
YELLOW
BLUE
BLACK
GRAY
PINK
ORANGE
GREEN &
YELLOW
BRW
RED
WHI
YEL
BLU
BLK
GRY
PNK
ORN
GRN&YEL
COLOR IDENTIFICATION
VARISTOR
VARISTOR
1
9
8
7
6
5
4321
9
8
7
6
5
9
8
7
6
5
4
4
3
3
2
2
1
1
2
2
1
SG01
DSA
123
53 1
123
YEL BLK
BLK
BRW
PNK WHI
1
3
321 4
321 4
COMPRESSOR
BLU PNK
BLK
WHI
BLU
BLU BLU BLU BLU
OUTDOOR
TERMINAL
BLOCK
THERMAL
FUSE
77˚C x 2
LOUVER MOTOR
1
2
3
4
65
PNK YEL
ORN
RED BRW
BLU
CN07
1
2
3
4
65
DC 5V
CR03 IC 03
INFRARED RAYS RECEIVE
AND INDICATION PARTS
BLK
OVER LOAD
RELAY
Same as
figure. COMPRESSOR
RAS-10YAH-ES RAS-10YAH-E
Same as
figure. BLK
A
B
RAS-10YAH-ES RAS-10YAH-E
Detail A
Detail B

–10 –
RAS-13YKH-E / RAS-13YAH-E
RAS-13YKH-ES / RAS-13YAH-ES
123456
123456
53 1 12
12
12
12
L
N
FAN
MOTOR
WHI
WHI
PNK
BLK BLUBLU
RED
RED
RED
SOLENOID
COIL
BLK
CAPACITOR
CAPACITOR
GRN & YEL
CHASSIS
INDOOR
OUTDOOR
RED
BLU
BLK
WHI GRN&YEL
GRN&YEL
P04
BLK
BRW
BLU
ORN ORN
CN04 CN13
CN25
CN03CN10
C58 MCC-798
CN11 CN01
BLK BLK BLK BLK
POWER
SUPPLY
CIRCUIT
C02
DC 12V
DB01
R01
C01
L01
C15
R22
F01
6,3A
250V
R21
RY01
RY02
WHI
CR01
CR02
RY04RY03
BLK
T02
C.T
3
4
3
4
Ø220V-240V
50Hz
POWER
TERMINAL
BLOCK
INDOOR
TERMINAL
BLOCK
THERMO
SENSOR
(TA)
AC FAN MOTOR
HEAT
EXCHANGER
SENSOR
(TC)
:
:
:
:
:
:
:
:
:
:
BROWN
RED
WHITE
YELLOW
BLUE
BLACK
GRAY
PINK
ORANGE
GREEN &
YELLOW
BRW
RED
WHI
YEL
BLU
BLK
GRY
PNK
ORN
GRN&YEL
COLOR IDENTIFICATION
VARISTOR
1
9
8
7
6
5
4321
9
8
7
6
5
9
8
7
6
5
4
4
3
3
2
2
1
1
2
2
1
SG01
DSA
123
53 1
123
YEL BLK
BLK
BRW
PNK WHI
1
3
321 4
321 4
COMPRESSOR
BLU PNK
BLK
WHI
BLU
BLU BLU BLU BLU
OUTDOOR
TERMINAL
BLOCK
THERMAL
FUSE
77˚C x 2
LOUVER MOTOR
1
2
3
4
65
PNK YEL
ORN
RED BRW
BLU
CN07
1
2
3
4
65
DC 5V
CR03 IC 03
INFRARED RAYS RECEIVE
AND INDICATION PARTS
BLK
BLK
OVER LOAD
RELAY
THERMOSTAT
FOR
COMPRESSOR
Same as
figure.
COMPRESSOR
Detail B
Detail A
RAS-13YAH-ES RAS-13YAH-E
Same as
figure. BLK
A
B
RAS-13YAH-ES RAS-13YAH-E

–11 –
4. SPECIFICATIONS OF ELECTRICAL PARTS
4-1. Indoor Unit
RAS-10YKH-E, RAS-10YKH-ES
RAS-13YKH-E, RAS-13YKH-ES
No. PARTS NAME TYPE SPECIFICATIONS
Output (Rated) 20W, 6poles, 1phase, 220–240V, 50Hz
Red-Black White-Black1Fan motor (for indoor) MMF-240-20-4A Winding resistance (W)
(at 20°C) 220,8 324,3
2 Thermo. sensor (TA-sensor) (Microprocessor) 10kWat 25°C
3 Switching transformer SWT-47
4 Microcomputer TMP87CK40
5Power relay, Common relay
(RY01, RY02) DI1U Coil : DC 12V 75mA, Rated AC 250V 20A
6 Heat exchanger sensor (TC-sensor) (Microprocessor) 10kWat 25°C
7 Line filter (L01) SS11V-06180 18mH, AC 0,6A
8 Diode (DB01) D3SBA60 4A, 600V
9 Capacitor (C02) CEAUF2W101M20 100mF, 450V
10 Fuse (F01) MT3 T3, 15A, 250V
11 Relay (RY03, Ry04)
(for outdoor fan motor, solenoid coil) AJQ1341 Coil DC 12V, 33Ma, Rated 1A, AC 250V
12 Power supply IC (IC01) MA2830-FJ 4A, 600V
13 Varistor (R21, 109) 15G561K 560V
14 Resistor (R01) ERF-5TK5R6 5,6W, 5W
15 Current trans (T02) CT422920S-01 DC 4,0V 485 - 545W
16 Louver motor MP35EA12 Output (Rated) 2W, 10poles, 1phase, DC 12V

–12 –
4-2. Outdoor Unit
RAS-10YAH-E, RAS-10YAH-ES
RAS-13YAH-E, RAS-13YAH-ES
No. PARTS NAME MODELS TYPE SPECIFICATIONS
Output (Rated) 750W, 2poles, 1phase, 220–240V, 50Hz
C-R C-S
RAS-10YAH-E PH120T1-4C Winding resistance (W)
(at 20°C) 4,53 8,73
Output (Rated) 1100W, 2poles, 1phase, 220–240V, 50Hz
C-R C-S
RAS-13YAH-E PH170T2-4L2 Winding resistance (W)
(at 20°C) 2,22 3,04
Output (Rated) 750W, 2poles, 1phase, 220–240V, 50Hz
C-R C-S
RAS-10YAH-ES PA118X1T-4FZ Winding resistance (W)
(at 20°C) 3,17 5,18
Output (Rated) 1100W, 2poles, 1phase, 220–240V, 50Hz
C-R C-S
1 Compressor
RAS-13YAH-ES PA160X2T-4FM Winding resistance (W)
(at 20°C) 2,26 3,53
Output (Rated) 18W, 6poles, 1phase, 220–240V, 50Hz
Red-Black White-Black
RAS-10YAH-E
RAS-10YAH-ES UE6-21SJ5P Winding resistance (W)
(at 20°C) 370 370
Output (Rated) 28W, 6poles, 1phase, 220–240V, 50Hz
Red-Black White-Black
2Fan motor
(for outdoor)
RAS-13YAH-E
RAS-13YAH-ES AF-230-28P Winding resistance (W)
(at 20°C) 198 160
RAS-10YAH-E
RAS-10YAH-ES SK-50FMP1,5U1 AC 500V, 1,5mF
3
Running
capacitor
(for fan motor) RAS-13YAH-E
RAS-13YAH-ES SK-50FMP1,5U2 AC 500V, 1,5mF
RAS-10YAH-E
RAS-10YAH-ES SK-40CMP25U1 AC 400V, 25mF
4
Running
capacitor
(for compressor) RAS-13YAH-E
RAS-13YAH-ES SK-40CMP35U1 AC 400V, 35mF
RAS-10YAH-E JMRA99269-9200 U/T : 6,8A (90°C), OPEN 135 ± 5°C, CLOSE : 69 ± 11°C
5 Overload relay RAS-13YAH-E JMRA99257-9200 U/T : 8,0A (80°C), OPEN 145 ± 5°C, CLOSE : 75 ± 11°C
6Thermostat
(for compressor) RAS-10YAH-E CS-7 OFF : 130°C, ON : 70°C
RAS-10YAH-E
RAS-13YAH-E LB60012 AC 200 / 240V
7Solenoid coil
(for 4-way valve) RAS-10YAH-ES
RAS-13YAH-ES VHV-01A1501A1 AC 200 / 240V

–13 –
5. REFRIGERANT CYCLE DIAGRAM
RAS-10YKH-E / RAS-10YAH-E
Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
*1 : During heating overload, the high temperature limit control operation is included.
Evaporator
Indoor unit
Cross flow fan
Cooling
Heating
4-way valve
Heating Cooling Compressor
Accumulator
Condenser
Propeller fan
Outdoor unit
Dryer
Capillary tube
ø1,5x500
PH120T
1 -4C
Cooling
Heating
Mark( )means check points of Gas Leak
O.D.:9,52mm O.D.:6,35mm
Cooling
Heating
Packed valve
(ø9,52)
Packed valve
(ø6,35)
0,39m
(Connecting pipe)
ø9,52
0,49m
(Connecting pipe)
ø6,35
T
P
Refrigerant
R-22 0,74kg
Ambient temp.
conditions DB/WB (°C)
50Hz
Standard
pressure P
(kg/cm²G)
Surface temp. of heat
exchanger interchanging
pipe T(°C)
Fan speed
(indoor) Indoor Outdoor
Standard 15,0 40,0 High 21/ - 7/6
High temperature *119–23 52,0–59,0 Low 27/ - 21/15Heating
Low temperature 12,5 35,0 High 21/ - -10/-10
Standard 6,0 12,0 High 27/19 35/24
High temperature 6,5 15,0 High 32/23 43/26Cooling
Low temperature 4,0 2,0 Low 21/15 21/15

–14 –
RAS-13YKH-E / RAS-13YAH-E
Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
*1 : During heating overload, the high temperature limit control operation is included.
Heat exchanger
Indoor unit
Cross flow fan
Cooling
Heating
4-way valve
Gas container connection (Reinstall etc.)
Heating Cooling Compressor
Accumulator
Condenser
Propeller fan
Outdoor unit
Capillary tube
ø1,2x400
PH170T2-4L2
Cooling
Heating
Mark( )means check points of Gas Leak
O.D.:12,7mm O.D.:6,35mm
Cooling
Heating
Packed valve
(ø12,7)
Packed valve
(ø6,35)
0,49m
(Connecting pipe)
ø12,7
0,39m
(Connecting pipe)
ø6,35
T
P
Refrigerant
R-22 0,88kg
Capillary tube
ø1,7x400
Capillary tube
ø0,6x1500
Ambient temp.
conditions DB/WB (°C)
50Hz
Standard
pressure P
(kg/cm²G)
Surface temp. of heat
exchanger interchanging
pipe T(°C)
Fan speed
(indoor) Indoor Outdoor
Standard 15,0 43,0 High 21/ - 7/6
High temperature *119–23 52,0–59,0 Low 27/ - 21/15Heating
Low temperature 12,5 35,0 High 21/ - -10/-10
Standard 5,0 10,0 High 27/19 35/24
High temperature 6,0 14,0 High 32/23 43/26Cooling
Low temperature 4,0 2,0 Low 21/15 21/15

–15 –
RAS-10YKH-ES / RAS-10YAH-ES
Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
*1 : During heating overload, the high temperature limit control operation is included.
Evaporator
Indoor unit
Cross flow fan
Cooling
Heating
4-way valve
Heating Cooling Compressor
Accumulator
Condenser
Propeller fan
Outdoor unit
Dryer
Capillary tube
ø0,8x400
PA118X1T-4FZ
Cooling
Heating
Mark( )means check points of Gas Leak
O.D.:9,52mm O.D.:6,35mm
Cooling
Heating
Packed valve
(ø9,52)
Packed valve
(ø6,35)
0,39m
(Connecting pipe)
ø9,52
0,49m
(Connecting pipe)
ø6,35
T
P
Refrigerant
R-410A 0,69kg
Capillary tube
ø1,2x400
Muffler Muffler
Ambient temp.
conditions DB/WB (°C)
50Hz
Standard
pressure P
(MPaG)
Surface temp. of heat
exchanger interchanging
pipe T(°C)
Fan speed
(indoor) Indoor Outdoor
Standard 2,5 43,0 High 20/ - 7/6
High temperature *13,1–3,6 51,0–58,0 Low 27/ - 21/15Heating
Low temperature 2,2 36,0 High 20/ - -10/-10
Standard 0,9 10,0 High 27/19 35/24
High temperature 1,1 16,0 High 32/23 43/26Cooling
Low temperature 0,6 2,0 Low 21/15 21/15

–16 –
RAS-13YKH-ES / RAS-13YAH-ES
Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
*1 : During heating overload, the high temperature limit control operation is included.
Heat exchanger
Indoor unit
Cross flow fan
Cooling
Heating
4-way valve
Heating Cooling Compressor
Condenser
Propeller fan
Outdoor unit
Dryer
Capillary tube
ø1,5x500
PA160X2T-4FM
Cooling
Heating
Mark( )means check points of Gas Leak
O.D.:9,52mm O.D.:6,35mm
Cooling
Gas container connection (Reinstall etc.)
Packed valve
(ø9,52)
Packed valve
(ø6,35)
(Note)
Maximum pipe length is 15m
Maximum pipe head is 6m
0,49m
(Connecting pipe)
ø9,52
0,39m
(Connecting pipe)
ø6,35
T
P
Refrigerant
R-410A 0,80kg
Capillary tube
ø1,2x1200
Muffler
Ambient temp.
conditions DB/WB (°C)
50Hz
Standard
pressure P
(MPaG)
Surface temp. of heat
exchanger interchanging
pipe T(°C)
Fan speed
(indoor) Indoor Outdoor
Standard 2,7 43,0 High 20/ - 7/6
High temperature *13,2–3,6 52,0–57,0 Low 27/ - 21/15Heating
Low temperature 2,0 30,0 High 20/ - -10/-10
Standard 0,9 11,0 High 27/19 35/24
High temperature 1,0 14,0 High 32/23 43/26Cooling
Low temperature 0,6 2,0 Low 21/15 21/15

–17 –
6. CONTROL BLOCK DIAGRAM
Infrared Rays Signal Receiver
Current Sensor
Thermo. Sensor
Functions
•Louver Control
•3-minutes Delay at Restart for Compressor
•Motor Revolution Control
•Processing
(Temperature Processing)
•Timer
ECONO.
Louver Direction Setting
Louver AUTO Swing
OFF TIMER Setting
ON TIMER Setting
Fan Speed Selection
Thermo. Setting
Operation Mode Selection
AUTO, COOL, DRY, HEAT, FAN ONLY
Operation (START/STOP)
Relay Driver, Louver Driver
Clock Frequency
Oscillator Circuit
Heat Exchanger Sensor
Infrared
Rays Initializing Circuit
C. P. U
Main Unit Control Panel
AC 220/230/240V ~
50Hz
Remote Control
Operation
Display
Timer
Display
ECONO.
Sign Display
PRE-DEF.
Sign Display
Indoor
Fan Motor
Louver
ON/OFF Signal
4-Way Valve
ON/OFF Signal
Outdoor Fan
ON/OFF Signal
Compressor
ON/OFF Signal
RelayRelayRelay
4-Way ValveOutdoor Fan Motor
Louver
Motor
Compressor
(Compressor Current)
Relay
RY02
RY01 RY03 RY04
Noise Filter
Power Supply
Circuit

–18 –
7. OPERATION DESCRIPTIONS
7-1. FAN ONLY Operation
(MODE of the remote control : FAN ONLY)
(1) During this mode, the relay RY01 is always
turned off so that only the indoor fan is operated.
RY02 is always turnd on.
1) When the FAN is set to AUTO, the indoor fan
motor operates as shown in Fig. 7-1-1.
2) When the FAN is set to LOW, MED, or HIGH,
the indoor fan motor operates with a constant
in volume as listed in Table 7-1-1.
7-2. COOL Operation
(MODE of the remote control : COOL)
(1) Compressor, 4-way valve, outdoor fan and
operation display are controlled as shown in Fig.
7-2-1.
Fig. 7-2-2
(3) Once the setting is made, the operation mode is
memorized in the microcomputer so that the
same operation can be effected thereafter simply
by pushing the START/STOP button.
Fig. 7-2-1
(2) Relays RY01 and RY02 are turned on to ener-
gize the outdoor unit, and a cool operation is
carried out.
1) When the FAN is set to AUTO, the indoor fan
motor operates as shown in Fig. 7-2-2.
2) When the FAN is set to LOW, MED, or HIGH,
the indoor fan motor operates with a constant
in volume as listed in Table 7-1-1.
(Room temp. –Set temp.)
MED
LOW(+)
LOW
LOW
(continuous)
+4
+3
+2
+1
0
RY01
OFF
Set
temp.
Manual
FAN
According
to the set
position
HIGH
AUTO
HIGH
MED
LOW(+)
LOW
LOW
28
27
26
25
24
(Room temp. –Set temp.)
Set
temp.
Fig. 7-1-1 Auto setting of air volume
Table 7-1-1 Manual setting of FAN SPEED
Indication of
FAN SPEED
LOW
MED
HIGH
HIGH Air volume (m3/hr)
RAS-10YKH-E RAS13-YKH-E
RAS-10YKH-ES RAS13-YKH-ES
400 510
500 560
600 650
(Room temp. –Set temp.)
+1
0
Set
temp.
ON
OFF
4-way valve
(RY04)
Outdoor fan
(RY03)
OPERATION
display
ON
OFF
OFF
ON ON
Compressor
(RY01)
Common relay
(RY02)
(2) Once the setting is made, the operation mode is
memorized in the microcomputer so that the
same operation can be effected thereafter simply
by pushing the START/STOP button.

–19 –
7-2-1. Louver Control
(1) By pushing the SET button of the remote control
during the operation, the louver can be set to the
desired position.
And the louver position is stored in the micro-
computer, the louvers will be set to the position
automatically at the next operation.
(2) When the AUTO button is pushed, the louver
vertically swings within range of 25deg.
7-3. DRY Operation
(MODE of the remote control : DRY)
(1) Compressor 4-way valve, outdoor fan and
operation display are controlled as shown in Fig.
7-3-1.
(Room temp. –Set temp.)
Set
temp.
OFF ON
+3
+2
+1
0
OFF
4-way valve
(RY04)
Outdoor fan
(RY03)
OPERATION
display
Compressor
(RY01)
Common relay
(RY02)
ON:6min. OFF:4min.
ON:5min. OFF:5min.
OFF
ON:6min. OFF:4min.
ON:5min. OFF:5min.
ON
Fig. 7-3-1
•The microprocessor turns the compressor on
and off at regular intervals (4 to 6 minutes on
and/or off). During the compressor off, the
indoor fan will operate in the super low
position.
•The indoor fan will operate in the AUTO
position.
(2) The pattern of operation depending on the
relation between room temperature and set
temperature is shown below:
Room temp.
Set temp.+1
Set temp.
Compressor
Outdoor fan
Indoor fan L. *S.L. S.L.L. L. S.L. L.
ON ON ON ON
OFF OFF OFF
*Super Low
Fig. 7-3-2
7-4. HEAT Operation
(MODE of the remote control : HEAT)
(1) Relays compressor 4-way valve, outdoor fan and
operation display are controlled as shown in Fig.
7-4-1.
Fig. 7-4-2
(3) Once the setting is made, the operation mode is
memorized in the microcomputer so that the
same operation can be effected thereafter simply
by pushing the START/STOP button.
Fig. 7-4-1
(2) Relays RY01 and RY02 are turned on to ener-
gize the outdoor unit, and a heat operation is
carried out. The indoor fan motor operates as
shown in Fig. 7-4-2, when the FAN is set to
AUTO.
The motor operates with a constant air volume
as listed in Table 7-1-1, when the FAN is set to
LOW, MED, or HIGH.
0
–1
ON
OFF
ON
OFF
ON
ON ON
(Room temp. –Set temp.)
4-way valve
(RY04)
Outdoor fan
(RY03)
OPERATION
display
Compressor
(RY01)
Common relay
(RY02)
(Room temp. –Set temp.)
0
-1
-2
-3
-4
Set
temp.
MED
RY01 OFF
MED( - )
LOW(+)
LOW
FAN
Manual
AUTO
According
to the set
position

–20 –
7-4-1. Louver Control
(1) By pushing the SET button of the remote control
during the operation, the louver can be set to the
desired position.
(2) When the AUTO button is pushed, the louver
vertically swings within range of 25deg.
And the louver position is stored in the micro-
computer, and at the next operation, the louvers
will be set to the stored position automatically at
the next operation.
7-4-2. Cool Airflow Control
(1) If the indoor heat-exchanger temperature de-
tected by the indoor heat-exchanger sensor is
20°C or below, the indoor fan stops and if the
temperature rises to 25°C (RAS-10YKH-E, RAS-
10YKH-ES), 35°C (RAS-13YKH-E, RAS-13YKH-
ES) or above, the fan is restarted. The details are
in 7-10.
7-5. AUTO Operation
(MODE of the remote control : AUTO)
(1) One of the 3 modes, Cooling, Fan only and
Heating is selected according to room tempera-
ture at which operation is to start, as shown in
Fig. 7-5-1. The Fan mode will continue until room
temperature reaches a level at which another
mode is selected.
7-5-1. Temporary Auto
When the TEMPORARY button is pushed (1 sec),
the set temperature is fixed at 24°C and controlled in
accordance with the chart shown in Fig. 7-5-1.
Cooling mode
Cooling mode
Fan only mode
Heating mode
+4
+1
–1
(The same cooling mode as the room temperature control is set at set temp. –1˚C)
The Louver moved downward.
(The same cooling mode as the room temperature control is set at set temp. –1˚C)
(Only the indoor fan operates at Low speed)
(The same heating mode as the room temperature control is set at set temp. +1˚C)
(Room temp. –Set temp.)
Fig. 7-5-1