Toshiba RAS-18UFHP-E4 User manual

SERVICE MANUAL
AIR-CONDITIONER
UNDER CEILING / CONSOLE TYPE
RAS-18UFHP-E4/ RAS-18UAH-E4
RAS-18UFP-E4/ RAS-18UA-E4
RAS-18UFPX4/ RAS-18UAX4
RAS-18UFP-AR4/ RAS-18UA-AR4
RAS-18UFPX4-T2 / RAS-18UAX4-T2
RAS-24UFHP-E4/ RAS-24UAH-E4
RAS-24UFP-E4/ RAS-24UA-E4
RAS-24UFPX4/ RAS-24UAX4
RAS-24UFP-AR4/ RAS-24UA-AR4
FILE NO. SVM-05015
18 Class
(Heat pump model) 24 Class18 Class (Cooling only model)
May, 2005

−1−
FILE NO. SVM-05015
CONTENTS
1. SPECIFICATIONS
1-1 18 Class
1-2 24 Class
2. CONSTRUCTION VIEWS
2-1 Indoor Unit
2-2 Outdoor Unit (RAS-24UAH-E4, RAS-24UA-E4, RAS-24UAX4, RAS-24UA-AR4)
2-3 Outdoor Unit (RAS-18UAH-E4)
2-4 Outdoor Unit (RAS-18UA-E4, RAS-18UAX4, RAS-18UA-AR4)
3. WIRING DIAGRAM
3-1 RAS-18UFHP-E4/ RAS-18UAH-E4
3-2 RAS-18UFP-E4/ RAS-18UA-E4, RAS-18UFPX4 / RAS-18UAX4
3-3 RAS-18UFP-AR4/ RAS-18UA-AR4
3-4
3-5 RAS-24UFHP-E4/ RAS-24UAH-E4
3-6 RAS-24UFP-E4/ RAS-24UA-E4
RAS-24UFPX4/ RAS-24UAX4
RAS-24UFP-AR4/ RAS-24UA-AR4
4. SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit
4-2 Outdoor Unit (RAS-18UAH-E4)
4-3 Outdoor Unit (RAS-18UAX4, RAS-18UA-E4)
4-4 Outdoor Unit (RAS-18UA-AR4)
4-5 Outdoor Unit (RAS-18UAX4-T2)
4-6 Outdoor Unit (RAS-24UAH-E4)
4-7 Outdoor Unit (RAS-24UA-E4, RAS-24UAX4)
4-8 Outdoor Unit (RAS-24UA-AR4)
RAS-18AX4-T2)
RAS-18UFPX4-T2 / RAS-18UAX4-T2
5. REFRIGERATION CYCLE DIAGRAM
5-1 RAS-18UFHP-E4/ RAS-18UAH-E4
5-2 RAS-18UFP-E4/ RAS-18UA-E4
RAS-18UFPX4/ RAS-18UAX4
5-3 RAS-18UFP-AR4/ RAS-18UA-AR4
5-4 RAS-18UFPX4-T2 / RAS-18UAX4-T2
5-5
5-6
RAS-24UFHP-E4/ RAS-24UAH-E4
5-7
RAS-24UFP-E4/ RAS-24UA-E4
RAS-24UFPX4/ RAS -24UAX4
RAS-24UFP-AR4 / RAS-24UA-AR4

−2−
FILE NO. SVM-05015
6. CONTROL BLOCK DIAGRAM
6-1 RAS-18UFHP-E4, RAS-24UFHP-E4
6-2 RAS-18UFP-E4, RAS-18UFPX4, RAS-18UFP-AR4, RAS-18UFPX4-T2
RAS-24UFP-E4, RAS-24UFPX4, RAS-24UFP-AR4
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 Defrosting Operation
7-7 Auto Restart Function
7-8 Filter Check Lamp
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 How to Use Drain Pump Kit of Option
8-8 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 How to Diagnose Faulty Parts
9-6 Troubleshooting for Indoor Unit
9-7 Troubleshooting for Wiring (Interconnect Cable and Serial Signal Wire)
9-8 Troubleshooting for P.C. Board
9-9 Troubleshooting for Remote Control
10. PARTS REPLACEMENT
10-1 Indoor Unit
10-2 Outdoor Unit (RAS-24UAH-E4, RAS-24UA-E4, RAS-24UAX4,
10-3 Outdoor Unit (RAS-18UAH-E4)
10-4Outdoor Unit (RAS-18UA-E4, RAS-18UAX4, RAS-18UA-AR4)
7-9Self-Cleaning function
7-10 QUIET Mode
7-11 COMFORT SLEEP mode
RAS-24UA-AR4, RAS-18UAX4-T2)

− 3−
FILE NO. SVM-05015
11. EXPLODED VIEWS AND PARTS LIST
11-1 Indoor Unit (E-Parts Assy)
11-2 Indoor Unit
11-4Outdoor Unit (RAS-18UA-E4, RAS-18UAX4)
11-6Outdoor Unit (RAS-18UAX4-T2)
11-7Outdoor Unit (RAS-24UAH-E4)
11-8
11-9Outdoor Unit (RAS-24UA-E4, RAS-24UAX4) Outdoor Unit (RAS-24UA-AR4)
11-5Indoor Unit (RAS-18UA-AR4)
11-3Outdoor Unit (RAS-18-UAH-E4)

– 4 –
FILE NO. SVM-05015
1. SPECIFICATIONS
1-1
RAS-18UFHP-E4/18UAH-E4RAS-18UFP-E4/18UA-E4RAS-18UFP-AR4/18UA-AR4RAS-18UFPX4-T2/18UAX4-T2
RAS-18UFPX4/18UAX4
Cooling Heating Cooling
Capacity kW 220V 240V 220V 240V 220V 240V 220V 240V 220V
5.00 5.70 5.80 5.20 5.25 5.35 5.35 5.10
Phase 1∅
Power source V 220 – 240 220
Hz 50
Power consumption W 2000 2130 1830 2000 2000 2120 2020 2140 1610
Power factor %958793849691 9583 98
Running current Indoor A 0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.45
Outdoor A9.20 9.85 8.50 9.50 9.05 9.30 9.30 10.30 7.00
Starting current A
Moisture removal lit/h 2.0
Noise Indoor (H/M/L) dB 43/41/39/37/36
Outdoor dB 52 53 53 54 51 52 52 53 56
Refrigerant Name of refrigerant R-22
Rated amount kg 1.15 1.17 1.20 1.47
Refrigerant control Capillary tube
Gas side sizemm∅12.70 Ø 15.88
Connection type Flare connection
Liquid side size mm ∅6.35
Interconnection Connection type Flare connection
pipe Maximum length m 15*1
(One way) 20*2
Maximum height m 8
difference
INDOOR UNIT RAS-18UFHP-E4
RAS-18UFP-E4RAS-18UFP-AR4RAS-18UFPX4-T2
RAS-18UFPX4
Width mm 1093
Dimensions Height mm 633
Depth mm 208
Net weight kg 23
Evaporator type Finned tube
Indoor fan type Multi blade fan
High fan m3/h 800 830 800 900
Air volume Medium fan m3/h 680 700 680 730
Low fan m3/h 580 650 580 580
Fan motor output W 50
Air filter Washable -filter
OUTDOOR UNIT RAS-18UAH-E4RAS-18UA-E4 RAS-18UA-AR4RAS-18UAX4-T2
RAS-18UAX4
Width mm
Dimensions Height mm
Depth mm
Net weight kg 54 41 44 51
Condenser type Finned tube
Outdoor fan type Propeller fan
Airflow volume m3/h 2105 2310 2105 2310 2120 2200 2120 2200 3380
Fan motor output W654265
Compressor Model 2JS350D5A02 PH340X3C-4KT1
Output W
Safety device IOL, Td Sensor IOL
Louver type Automatic louver
Usable outdoor temperature range °C 15 ~ 43 –10 ~ 24 15 ~ 43 21 ~ 52 21 ~ 43
MODEL
ITEM
PH290X2C-4FT1
1700
1500 1700
45 42 50
42
46/43/41/38/36
1800
PH340X3C-4KTS1
Note *1 Chargeless pipe
*2 Maximum pipe
830
538
300
780
550
270
880
690
310

– 5–
FILE NO. SVM-05015
1-2
RAS-24UFP-E4/24UA-E4
RAS-24UFHP-E4/24UAH-E4RAS-24UFPX4/24UAX4RAS-24UFP-AR4/
Cooling Heating Cooling
Capacity kW 220V 240V 220V 240V 220V 240V 220V 240V
6.106.206.80 6.90 6.106.20 6.10 6.20
Phase 1∅
Power source V220 – 240
Hz 50
Power consumption W2480 2650 2490 2670 2260 2400 2260 2400
Power factor %97 90 97 89 9284 92 81
Running current Indoor A0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.45
Outdoor A11.15 11.85 11.20 12.00 10.75 11.4011.20 12.40
Starting current A60 60 59
Moisture removal lit/h 2.5 2.7
Noise Indoor (H/M/L) dB 46/44/42/39/37
Outdoor dB 56 57 57 58 56 57 56 57
Refrigerant Name of refrigerant R-22
Rated amount kg
Refrigerant control Capillary tube
Gas side size mm ∅15.88
Connection type Flare connection
Liquid side size mm ∅6.35
Interconnection Connection type Flare connection
pipe Maximum length m 15*1
(One way) 25*2
Maximum height m 10
difference
INDOOR UNIT RAS-24UFHP-E4RAS-24UFP-AR4
RAS-24UFPX4
Width mm 1093
Dimensions Height mm 633
Depth mm 208
Net weight kg 23
Evaporator type Finned tube
Indoor fan type Multi blade fan
High fan m3/h 930930 900
Air volume Medium fan m3/h 750 760 750
Low fan m3/h 650 660 650
Fan motor output W 50
Air filter Washable -filter
OUTDOOR UNIT RAS-24UAH-E4RAS-24UA-AR4
RAS-24UAX4
Width mm 880
Dimensions Height mm 690
Depth mm 310
Net weight kg 6458 59
Condenser type Finned tube
Outdoor fan type Propeller fan
Airflow volume m3/h 3380 3560 3380 3560 3380 3560 3380 3560
Fan motor output W 65
Compressor Model 2JS386D5BB02 PH400X3CS-4KT1 PH400X3CS-4KTS1
Output W1800 1800 1900
Safety device IOL,Td Sensor IOL
Louver type Automatic louver
Usable outdoor temperature range °C 15 ~ 43 –10 ~ 24 15 ~ 43 21 ~ 43
MODEL
ITEM
1.75 1.70
RAS-24UFP-E4
RAS-24UA-E4
24UA-AR4

– 6–
FILE NO. SVM-05015
Note : 1
• Capacity is based on the following temperature conditions.
Note : 2
• Charge refrigerant according to the table below.
refrigerant
*2 Need to charge Over 15m up to 20m (20g/m) Over 15m up to 25m (30g/m)
refrigerant
Temperature Condition JIS B8615-1
Cooling Heating
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
RAS-18UFHP-E4/ RAS-18UAH-E4RAS-24UFHP-E4/ RAS-24UAH-E4
RAS-18UFP-E4/ RAS-18UA-E4RAS-24UFP-E4/ RAS-24UA-E4
RAS-18UFPX4/ RAS-18UAX4RAS-24UFPX4/ RAS-24UAX4
Refrigerant
RAS-18UFP-AR4/ RAS-18UA-AR4RAS-24UFP-AR4/ RAS-24UA-AR4
RAS-18UFPX4-T2 / RAS-18UAX4-T2
*1 No need to charge 15m or less 15m or less

– 7–
FILE NO. SVM-05015
2. CONSTRUCTIONVIEWS
2-1. Indoor Unit
Front panel
Knock out system
For stud bolt
(∅8 - ∅10)
For stud bolt (∅6)
Grille air inlet
Back Body
Installation plate
Mount plate
M10 Suspention bolt
Wireless remote control
Knock out system
200 Min 1093
1015
742
450
20 20
330165
∅74
70 Min 633
460
57 18
160
633
208
1093
UNDER CEILING & CONSOLE INSTALLATION

–8 –
FILE NO. SVM-05015
2-2.Outdoor Unit (RAS-24UAH-E4,RAS-24UA-E4,RAS-24UAX4,RAS-24UA-AR4,
RAS-18UAX4-T2)
120
63.8
340
600
27
50
690
880 74
140
88
310
340
340 (pitch) 12
12
364
A
∅12x18 hole
ADetail Drawing
∅25 Drain outlet
52
Handle
Installation dimension
600
100 or more 100 or more
600 or more
600 or more
Air outlet
Air inlet
Electric Parts cover
Liquid side (Flare ∅6.35)
Gas side (Flare ∅15.88)
Service Port
600
340
23
68
Handle
4-∅12x18
for ∅8 −∅10
anchor bolt
4-∅12x18 holes
(for ∅8 −∅10 anchor bolt)

–9 –
FILE NO. SVM-05015
2-3.Outdoor Unit (RAS-18UAH-E4)
A
ADetail Drawing
∅6 hole
R10
∅11x14 hole
∅25 Drain outlet
Fan guard
∅420
Electric Parts cover
Liquid side (Flare ∅6.35)
Gas side (Flare ∅12.7)
Installation dimension
100 or more Air inlet 600 or more
100 or more
Air inlet
Air
outlet
600 or more
600
50 35
600
344
325
91 54
60
50
90
600
830
90
120
52
23
325
Handle
538
300
Service Port
4x∅11x14
for ∅8 −∅10
anchor bolt
8-∅6 holes
(for fixing outdoor unit)
6-∅11x14 holes (for ∅8 −∅10 anchor bolt)

310
310 302
102
310
302
302
530
265
600
ADetail Drawing (Back Leg)
A
BDetail Drawing (Front Leg)
52
R15
32.5 115 125
R5.5
∅30 Drain outlet
FAN GUARD
36
∅6 Hole
2-∅11x14 Hole
(For ∅8-∅10 anchor bolt)
∅436
4x ∅ 11 Long holes (For ∅8-∅10 anchor bolt)
∅11x14 Hole
∅6 Hole
36
52
310
330
R15
270 600 90
780 62
COVER PV
Electrical
part cover
Liquid side
(Flare ∅6.35)
Gas side
(Flare ∅12.7)
Service port
600 or more
100 or more
600 or more
100 or more
325
600
Air inlet
Air outlet
Installation dimension
120
75
54
B
Z
ZView
–10 –
FILE NO. SVM-05015
2-4.Outdoor Unit (RAS-18UA-E4, RAS-18UAX4, RAS-18UA-AR4)

FILE NO. SVM-05015
3-1. RAS-18UFHP-E4/ RAS-18UAH-E4
−11−
DISCHARGE
PIPE
SENSOR (TD)
HEAT
EXCHANGER
SENSOR (TE)
CN08
COMPRESSOR
CN07
FAN MOTOR
BLU
BLU
BLK
BLK
11
2
33
11
2
33
3
12
LN3
12
FERRITE CORE
GRN&YEL
RED
RED
BLK
BLK
MAGNETIC
CONTACTOR
RA1
A2
52C
U
S
V
T
W
PNK
WHI
COMPRESSOR TERMINAL
BLK
S
R
CWHI
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
GRN&YEL
CHASSIS
TRANSFORMER
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
MAIN P.C. BOARD (MCC-890)
POWER SUPPLY
220 −240 V ~ 50 Hz
INDOOR
TERMINAL
BLOCK
OUTDOOR
TERMINAL
BLOCK
INDOOR
UNIT
OUTDOOR
UNIT
BLK
P04
SG01 R09 R507
IC04
CN07 CN13
BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
LOUVER
MOTOR
C15
R405
C501
RY401
L01
MAIN PCB
RY501 CR502
DC12V
DC5V
CR501 IC03
R506
CN10 BLK
BLK
BLK
CN03
THERMO
SENSOR
(TA)
C01
R01 DB01
C02
SWITCH
PCB
MCC-865B
POWER SUPPLY CIRCUIT
R22
F01
T6.3A
BLK CN30
CN31
CN23
FOR FLOAT SWITCH
(OPTION)
GRN&YEL
FOR DRAIN PUMP
(OPTION)
BRW
GRY
BLK
RED RED
WHI WHI
FAN
MOTOR
PUR
BLU
GRY
YEL
When you use float
switch you should
cut J401
CN402 CN401 CN11
J401
WHI
RED
FUSE
250VAC
R21
MCC-865A
CR401
21 1 1232 3
123
654
654
321
321
123
123
456
456
789
789
10
10
CN25
ORN
RED
PNK
YEL
BRW
BLU
INFRARED RAYS RECEIVE
AND INDICATION PARTS
123
123
456
456
789
789
10
10
5 3
5 3
1
1
1 1
1 1
2 2
CN100
WHI
GRY
GRY
CN101
11
22
33
1
2
3
3 3
6 6
3 3
2 2
1 1
BLK
BLK
CN01
HEAT
EXCHANGER
SENSOR
(TC)
1 1
2 2
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN&YEL : GREEN&
YELLOW
GRN : GREEN
PUR : PURPLE
3. WIRING DIAGRAM
C
SR

3-2. RAS-18UFP-E4/RAS-18UA-E4,RAS-18UFPX4/RAS-18UAX4
−12 −
3
12
LN3
12
GRN&YEL
RED
RED
GRY
RED
BLK
BLK
BLK
BLK
GRN&YEL
CHASSIS
POWER SUPPLY
220 −240 V ~ 50 Hz
MAGNETIC
CONTACTOR
A1
A2
UVW
RST
SPARK KILLER
FAN MOTOR
WHI
BLK
RED
RED
CAPACITOR
WHI
BLK
PNK
S
R
C
CAPACITOR
COMPRESSOR
RED
INDOOR
TERMINAL
BLOCK
OUTDOOR
TERMINAL
BLOCK
INDOOR
UNIT
OUTDOOR
UNIT
COMPRESSOR TERMINAL
(or A)
(or B)
BLK
P04
SG01 R09 R507
IC04
CN07 CN13
LOUVER
MOTOR
C15
R405
C501
RY401
L01
MAIN PCB
RY501 CR502
DC12V
DC5V
CR501 IC03
R506
CN10 BLK
BLK
BLK
CN03
THERMO
SENSOR
(TA)
C01
R01 DB01
C02
SWITCH
PCB
MCC-865B
POWER SUPPLY CIRCUIT
R22
F01
T6.3A
BLK CN30
CN27
CN31
FOR FLOAT SWITCH
(OPTION)
GRN&YEL
FOR DRAIN PUMP
(OPTION)
BRW
GRY
BLK
RED RED
WHI WHI
FAN
MOTOR
PUR
BLU
GRY
YEL
CN402 CN401 CN11
WHI
RED
FUSE
250VAC
R21
CR02
RY04
MCC-865A
CR401
21 11232
11
33
3
123
654
654
321
321
123
123
456
456
789
789
10
10
CN25
INFRARED RAYS RECEIVE
AND INDICATION PARTS
123
123
456
456
789
789
10
10
5 3
5 3
1
1
1 1
1 1
2 2
CN100
WHI
GRY
GRY
CN101
11
22
33
1
2
3
3 3
6 6
3 3
2 2
1 1
BLK
BLK
CN01
HEAT
EXCHANGER
SENSOR
(TC)
1 1
2 2
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN&YEL : GREEN&
YELLOW
GRN : GREEN
PUR : PURPLE
J401
ORN
RED
PNK
YEL
BRW
BLU
BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
When you use float
switch you should
cut J401
FILE NO. SVM-05015
C
RS

−13−
3-3. RAS-18UFP-AR4/RAS-18UA-AR4
3
12
LN3
12
GRN&YEL
RED
RED
GRY
RED
BLK
BLK
BLK
BLK
GRN&YEL
CHASSIS
POWER SUPPLY
220 −240 V ~ 50 Hz
A1 (or A)
(or B)
A2
UVW
RST
SPARK KILLER
FAN MOTOR
WHI
BLK
RED
RED
CAPACITOR
WHI
BLK
PNK
S
R
C
BLK
P04
SG01 R09 R507
IC04
CN07 CN13
LOUVER
MOTOR
C15
R405
C501
RY401
L01
MAINPCB
RY501 CR502
DC12V
DC5V
CR501 IC03
R506
CN10 BLK
BLK
BLK
CN03
THERMO
SENSOR
(TA)
C01
R01 DB01
C02
SWITCH
PCB
MCC-865B
POWERSUPPL Y CIRCUIT
R22
F01
T6.3A
BLK CN30
CN27
CN31
FORFLOA TSWITCH
(OPTION)
GRN&YEL
FORDRAINPUMP
(OPTION)
BRW
GRY
BLK
RED RED
WHI WHI
FAN
MOTOR
PUR
BLU
GRY
YEL
CN402 CN401 CN11
WHI
RED
FUSE
250VAC
R21
CR02
RY04
MCC-865A
CR401
21 11232
11
33
3
123
654
654
321
321
123
123
456
456
789
789
10
10
CN25
INFRAREDRA YSRECEIVE
ANDINDICA TIONP ARTS
123
123
456
456
789
789
10
10
5 3
5 3
1
1
1 1
1 1
1 1
2 2
CN100
WHI
GRY
GRY
CN101
11
22
33
1
2
3
3 3
6 6
3 3
2 2
BLK
BLK
CN01
HEAT
EXCHANGER
SENSOR
(TC)
1 1
2 2
COLORIDENTIFICA TION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN&YEL : GREEN&
YELLOW
GRN : GREEN
PUR : PURPLE
J401
ORN
RED
PNK
YEL
BRW
BLU
BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
Whenyouusefloat
switchyoushould
cutJ401
CAPACITOR
COMPRESSOR
RED
INDOOR
TERMINAL
BLOCK
OUTDOOR
TERMINAL
BLOCK
INDOOR
UNIT
OUTDOOR
UNIT
COMPRESSOR TERMINAL
MAGNETIC
CONTACTOR
FILE NO. SVM-05015
R
S
C

INDOOR
TERMINAL
BLOCK
OUTDOOR
TERMINAL
BLOCK
INDOOR
UNIT
OUTDOOR
UNIT
3
12
LN3
12
GRN&YEL
RED
RED
RED
RED
BLK
BLK CHASSIS
GRY
POWER SUPPLY
220 V ~ 50 Hz
SPARK KILLER
MAGNETIC CONTACTOR
BLK BLK
RED
A1 A2
52C
R U
SV
TW
COMPRESSOR
WHI
PNK BLK
C
S
R
CAPACITOR
CAPACITOR
WHI
RED
FAN MOTOR
BLK
COMPRESSOR TERMINAL
BLK
P04
SG01 R09 R507
IC04
CN07 CN13
LOUVER
MOTOR
C15
R405
C501
RY401
L01
MAIN PCB
RY501 CR502
DC12V
DC5V
CR501 IC03
R506
CN10 BLK
BLK
BLK
CN03
THERMO
SENSOR
(TA)
C01
R01 DB01
C02
SWITCH
PCB
MCC-865B
POWER SUPPLY CIRCUIT
R22
F01
T6.3A
BLK CN30
CN27
CN31
FOR FLOAT SWITCH
(OPTION)
GRN&YEL
FOR DRAIN PUMP
(OPTION)
BRW
GRY
BLK
RED RED
WHI WHI
FAN
MOTOR
PUR
BLU
GRY
YEL
CN402 CN401 CN11
WHI
RED
FUSE
250VAC
R21
CR02
RY04
MCC-865A
CR401
21 11232
11
33
3
123
654
654
321
321
123
123
456
456
789
789
10
10
CN25
INFRARED RAYS RECEIVE
AND INDICATION PARTS
123
123
456
456
789
789
10
10
5 3
5 3
1
1
1 1
1 1
2 2
CN100
WHI
GRY
GRY
CN101
11
22
33
1
2
3
3 3
6 6
3 3
2 2
1 1
BLK
BLK
CN01
HEAT
EXCHANGER
SENSOR
(TC)
1 1
2 2
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN&YEL : GREEN&
YELLOW
GRN : GREEN
PUR : PURPLE
J401
ORN
RED
PNK
YEL
BRW
BLU
BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
When you use float
switch you should
cut J401
3-4. RAS-18UFPX4-T2 / RAS-18UAX4-T2
FILE NO. SVM-05015
−14−
R
S
C

FILE NO. SVM-05015
−15−
DISCHARGE
PIPE
SENSOR (TD)
HEAT
EXCHANGER
SENSOR (TE)
CN08
CN07
BLU
BLU
BLK
BLK
11
2
33
11
2
33
3
12
LN3
12
FERRITE CORE
GRN&YEL
RED
RED
BLK
BLK
MAGNETIC
CONTACTOR
RA1
A2
52C
U
S
V
T
W
PNK
WHI
COMPRESSOR TERMINAL
BLK
S
R
CWHI
BLK BLK
COIL FOR
4 WAY VALVE
RED
RED
RED
CAPACITOR
(1/L1)
(2/T1)
(3/L2)
(4/T2)
(5/L3)
(6/T3)
CAPACITOR
BLK
BLK
WHI
RED CN01
CN05
GRY
1
3
5
7
9
1
3
5
7
9
GRN&YEL
CHASSIS
TRANSFORMER
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
MAIN P.C. BOARD (MCC-890)
POWER SUPPLY
220 −240 V ~ 50 Hz
INDOOR
TERMINAL
BLOCK
OUTDOOR
TERMINAL
BLOCK
INDOOR
UNIT
OUTDOOR
UNIT
COMPRESSOR FAN MOTOR
BLK
P04
SG01 R09 R507
IC04
CN07 CN13
BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
LOUVER
MOTOR
C15
R405
C501
RY401
L01
MAIN PCB
RY501 CR502
DC12V
DC5V
CR501 IC03
R506
CN10 BLK
BLK
BLK
CN03
THERMO
SENSOR
(TA)
C01
R01 DB01
C02
SWITCH
PCB
MCC-865B
POWER SUPPLY CIRCUIT
R22
F01
T6.3A
BLK CN30
CN31
CN23
FOR FLOAT SWITCH
(OPTION)
GRN&YEL
FOR DRAIN PUMP
(OPTION)
BRW
GRY
BLK
RED RED
WHI WHI
FAN
MOTOR
PUR
BLU
GRY
YEL
When you use float
switch you should
cut J401
CN402 CN401 CN11
J401
WHI
RED
FUSE
250VAC
R21
MCC-865A
CR401
21 1 1232 3
123
654
654
321
321
123
123
456
456
789
789
10
10
CN25
ORN
RED
PNK
YEL
BRW
BLU
INFRARED RAYS RECEIVE
AND INDICATION PARTS
123
123
456
456
789
789
10
10
5 3
5 3
1
1
1 1
1 1
2 2
CN100
WHI
GRY
GRY
CN101
11
22
33
1
2
3
3 3
6 6
3 3
2 2
1 1
BLK
BLK
CN01
HEAT
EXCHANGER
SENSOR
(TC)
1 1
2 2
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN&YEL : GREEN&
YELLOW
GRN : GREEN
PUR : PURPLE
3-5. RAS-24UFHP-E4/ RAS-24UAH-E4
C
SR

3
12
LN3
12
GRN&YEL
RED
RED
RED
RED
BLK
BLK CHASSIS
GRY
POWER SUPPLY
220 −240 V ~ 50 Hz
SPARK KILLER
MAGNETIC CONTACTOR
BLK BLK
RED
A2A1
52C
1/L1 2/T1
3/L2 4/T2
5/L3 6/T3
COMPRESSOR
WHI
PNK BLK
C
S
R
CAPACITOR
CAPACITOR
WHI
RED
FAN MOTOR
BLK
COMPRESSOR TERMINAL
INDOOR
TERMINAL
BLOCK
OUTDOOR
TERMINAL
BLOCK
INDOOR
UNIT
OUTDOOR
UNIT
BLK
P04
SG01 R09 R507
IC04
CN07 CN13
LOUVER
MOTOR
C15
R405
C501
RY401
L01
MAIN PCB
RY501 CR502
DC12V
DC5V
CR501 IC03
R506
CN10 BLK
BLK
BLK
CN03
THERMO
SENSOR
(TA)
C01
R01 DB01
C02
SWITCH
PCB
MCC-865B
POWER SUPPLY CIRCUIT
R22
F01
T6.3A
BLK CN30
CN27
CN31
FOR FLOAT SWITCH
(OPTION)
GRN&YEL
FOR DRAIN PUMP
(OPTION)
BRW
GRY
BLK
RED RED
WHI WHI
FAN
MOTOR
PUR
BLU
GRY
YEL
CN402 CN401 CN11
WHI
RED
FUSE
250VAC
R21
CR02
RY04
MCC-865A
CR401
21 11232
11
33
3
123
654
654
321
321
123
123
456
456
789
789
10
10
CN25
INFRARED RAYS RECEIVE
AND INDICATION PARTS
123
123
456
456
789
789
10
10
5 3
5 3
1
1
1 1
1 1
2 2
CN100
WHI
GRY
GRY
CN101
11
22
33
1
2
3
3 3
6 6
3 3
2 2
1 1
BLK
BLK
CN01
HEAT
EXCHANGER
SENSOR
(TC)
1 1
2 2
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN&YEL : GREEN&
YELLOW
GRN : GREEN
PUR : PURPLE
J401
ORN
RED
PNK
YEL
BRW
BLU
BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
When you use float
switch you should
cut J401
3-6. RAS-24UFP-E4/ RAS-24UA-E4
RAS-24UFPX4/ RAS-24UAX4
RAS-24UFP-AR4/ RAS-24UA-AR4
FILE NO. SVM-05015
−16−
R
S
C

FILE NO. SVM-05015
– 17–
4. SPECIFICATION OF ELECTRICAL PARTS
4-1. Indoor Unit
No. Parts name Type Specifications
1 Fan motor (for indoor) AFP-220-50-4A Output (Rated) 50W, 220-240V
2 Thermo sensor (TA-sensor) ——— 10kΩat 25°C
3 DC-DC transformer (T01) SWT-47 DC 390V, Secondary DC 12V, 7V
4 Microcomputer TMP87CM40AN
5Heat exchanger sensor ——— 10kΩat 25°C
(TC-sensor)
6 Line filter (L01) SS11V-R07190 19mH, AC0.7A
7 Diode (DB01) D3SBA60 4A, 600V
8 Capacitor (C02) KMH400VSSN47M22S 47µF, 400V
9 Fuse (F01) TSCR T6.3A, 250V
10 Varistor (R21, R22) 15G561K 560V
11 Resistor (R01) RF-2TK5R6 5.6Ω, 2W
12 Louver motor MP35EA12 Output (Rated) 2W,6poles, 4phase,
DC 12V
4-2.Outdoor Unit (RAS-18UAH-E4)
No. Parts name Type Specifications
Output (Rated) 1500 W, 2 poles, 1 phase, 220 – 240 V, 50 Hz
1Compressor 2JS350D5DA02 Winding resistance (Ω)C-R C-S
(at 20°C) 0.981 2.845
Output (Rated) 65 W, 6 poles, 1 phase, 220 – 240 V, 50 Hz
2Fan motor (for outdoor) KFG6-71SB5P-T3 Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 64.4 127.4
3Running capacitor 451205L AC 450 V, 2µF
(for fan motor)
4Running capacitor BUM44X4505B AC 440 V, 45µF
(for compressor)
5Solenoid coil VHV (STF) AC 220 – 240 V
(for 4-way valve)
6 Thermo sensor TE / TD 10 kΩat 25°C / 50 kΩat 25°C
7Magnetic contactor CLK-26J 220 −240 V, 50 Hz
8 Transformer TT-05 220 – 240 V
9 Microcontroller TMP47C840N
10 Varistor (R73, R74, R86) 15G471K 470 V
11 Fuse (F01) MT3 T6.3 A, 250 V

4-5.Outdoor Unit (RAS-18UA-AR4)
No. Parts name Type Specifications
Output (Rated) 1500 W, 2 poles, 1 phase, 220 – 240 V, 50 Hz
1Compressor PH340X3C-4KTS1 Winding resistance (Ω)C-R C-S
(at 20°C) 1.23 2.58
Output (Rated) 65 W, 6 poles, 1 phase, 220 – 240 V, 50 Hz
2Fan motor (for outdoor) WLF-240-42B Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 197 255
3Running capacitor 451205LAC 450 V, 2µF
(for fan motor)
4Running capacitor SK42CMP45U1-S AC 420V, 45µF
(for compressor)
5Magnetic contactor CLK-26J220 – 240 V, 50 Hz
4-4.Outdoor Unit (RAS-18UAX4, RAS-18UA-E4)
No. Parts name Type Specifications
Output (Rated) 1500 W, 2 poles, 1 phase, 220 – 240 V, 50 Hz
1Compressor PH340X3C-4KT1 Winding resistance (Ω)C-R C-S
(at 20°C) 1.46 2.47
Output (Rated) 42 W, 6 poles, 1 phase, 220 – 240 V, 50 Hz
2Fan motor (for outdoor) WLF-240-42A-1 Winding resistance (Ω)Red-BlackWhite-Black
(at 20°C) 188 289
3Running capacitor 451155L AC 450 V, 1.5µF
(for fan motor)
4Running capacitor BUM44X4505B AC 440 V, 45µF
(for compressor)
5 Magnetic contactor CLK-26J 220 – 240 V, 50 Hz
No. Parts name Type Specifications
Output (Rated) 1500 W, 2 poles, 1 phase, 220 – 240V, 50 Hz
1Compressor PH290X2C-4FT1 Winding resistance (Ω)C-R C-S
(at 20°C) 1.71 3.09
Output (Rated) 65 W, 6 poles, 1 phase, 220 – 240V, 50 Hz
2 Fan motor (for outdoor) KFG6-71SB5P-T Winding resistance (Ω) Red-Black White-Black
(at 20°C) 64.4 127.4
3Running capacitor 451355L AC 450 V, 3.5µF
(for fan motor)
4Running capacitor BUM44X3505A AC 440V, 35µF
(for compressor)
5Magnetic contactor CLK-26J 220 – 240 V, 50 Hz
4-6. Outdoor Unit (RAS-18UAX4-T2)
– 18 –
FILE NO. SVM-05015

FILE NO. SVM-04008
– 19 –
FILE NO. SVM-05015
No. Parts name Type Specifications
Output (Rated) 2200 W, 2 poles, 1 phase, 220 – 240V, 50 Hz
1Compressor 2JS386D5BB02 Winding resistance (Ω)C-R C-S
(at 20°C) 0.886 1.979
Output (Rated) 65 W, 6 poles, 1 phase, 220 – 240V, 50 Hz
2 Fan motor (for outdoor) KFG6-71SB5P-T1 Winding resistance (Ω) Red-Black White-Black
(at 20°C) 64.4 127.4
3Running capacitor 451355L AC 450 V, 3.5µF
(for fan motor)
4Running capacitor BUM44X6005C AC 440V, 60µF
(for compressor)
5Solenoid coil VHV (STF) AC 220 – 240 V
(for 4-way valve)
6 Thermo sensor TE / TD 10 kΩat 25°C / 50 kΩat 25°C
7Magnetic contactor A35 220 −240 V, 50 Hz
8Transformer TT-05 220 – 240 V
9 Microcontroller TMP47C840N
10 Varistor (R73, R74, R86) 15G471K 470 V
11 Fuse (F01) MT3 T6.3 A, 250 V
4-7.Outdoor Unit (RAS-24UAH-E4)
4-8.Outdoor Unit (RAS-24UA-E4, RAS-24UAX4)
No. Parts name Type Specifications
Output (Rated) 2200 W, 2 poles, 1 phase, 220 −240V, 50 Hz
1Compressor PH400X3CS-4KT1 Winding resistance (Ω)C-R C-S
(at 20 °C)
Output (Rated) 65 W, 6 poles, 1 phase, 220 −240V, 50 Hz
Winding resistance (Ω)Red-BlackWhite-Black
2 Fan motor (for outdoor)
(at 20°C)64.4 127.4
KFG6-71SB5P-T
AC 440 V, 45µF
1.13 2.10
3Running capacitor 451355LAC 450 V, 3.5µF
(for fan motor)
BUM44X4505B
4
5Magnetic contactor A35 220 −240 V, 50 Hz
Running capacitor
(for compressor)