7-1Outline of Air Conditioner Control
7-2Description of Operation Circuit
7-3High-Temperature Limit Control
7-4Low-Temperature Limit Control
7-5 Defrost Operation
7-6 Auto Restart Function
7-7Filter Check Lamp
– 1 –
8.INSTALLATION PROCEDURE
8-1Safety Cautions
8-2Installation Diagram of Indoor and Outdoor Units
8-3Installation
8-4Indoor Unit
8-5Outdoor Unit
8-6How to Set Remote Control Selector Switch
8-7Others
9.TROUBLESHOOTING CHART
9-1Troubleshooting Procedure
9-2Basic Check Items
9-3Primary Judgement
9-4Self-Diagnosis by Remote Control (Check Code)
9-5How to Diagnose Faulty Parts
9-6Troubleshooting for Indoor Unit
9-7Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire)
9-8Troubleshooting for P.C. Board
9-9Troubleshooting for Remote Control
FILE NO. SVM-05010
10. PART REPLACEMENT
10-1 Indoor Unit
10-2 Outdoor Unit (38CJR024-723, 38TAR024X-723, 38TAR018-723)
10-3 Outdoor Unit (38CJR018-723)
10-4 Outdoor Unit (38HNR024-713)
10-5 Outdoor Unit (38HNR018-713)
11. EXPLODED VIEWS AND PARTS LIST
11-1 Indoor Unit (E - Parts Assy)
11-2 Indoor Unit
11-3 Outdoor Unit (38CJR024-723, 38TAR024X-723)
11-4 Outdoor Unit (38TAR018-723)
11-5 Outdoor Unit (38CJR018-723)
11-6 Outdoor Unit (38HNR024-713)
11-7 Outdoor Unit (38HNR018-713)
– 2 –
1. SPECIFICATIONS
FILE NO. SVM-05010
ITEMCooling
Capacity
Power sourceV220 – 240220
Power consumption W 2420 2510 2250
Power factor % 98 92 95
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN : GREEN
GRN&YEL : GREEN & YELLOW
P04
6.3A
CN30
CN31
Varistor
DSA
F01
250V
MAIN P.C. BOARD
(WP-003)
Varistor
Louver
motor
BLU
PNK
6
5223311
6
5
Infrared rays receive
and Indication parts
598
1 2 3 4 610
BLU
BLU
BLU
BLU
YEL
RED
BRW
ORN
4
CN07
4
BLU
1 2 3 4 6510
5 64
321
Power supply
circuit
Control
Fan motor
circuit
GRY
BRW
YEL
105 64321
8 9
7
7
BLU
BLU
7
7
8 9
CN25
BLU
BLU
WHI
98
CN13
10
2
1
21
1
BLK2BLK
CN03
CN01
2
1
BLK
BLK
OUTDOOR
TERMINAL
BLOCK
POWER SUPPLY
240 V ~ 50 Hz
220 −
(For 38CJR024-723)
220 V ~ 50 Hz
(FOR 38TAR024X-723)
L
N
BLK
RED
BLK
RED
BLKBLK
RED
Indoor
terminal
block
i
SPARK KILLER
A2 A1
52C
1/L1
2/T1
3/L2 4/T2
5/L3 6/T3
1
1
2
2
GRN&YEL
RED
CAPACITOR
3
3
GRY
i
CHASSIS
RED
WHI
PNK
COMPRESSOR
INDOOR
UNIT
OUTDOOR
UNIT
CAPACITOR
S
R
WHI
RED
BLK
C
COMPRESSOR TERMINAL
FAN MOTOR
C
RS
BLK
1
2
4
3
1
2
66554
3
145 C
TEMP FUSE
Thermo.
sensor
(TA)
Heat exchanger
sensor
(TC)
MAGNETIC CONTACTOR
− 12−
3-2. 42CJR018-723 / 38CJR018-723
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN : GREEN
GRN&YEL : GREEN & YELLOW
P04
BLK
6.3A
CN30
CN31
CN27
GRN&YEL
Varistor
DSA
F01
250V
MAIN P.C. BOARD
(WP-003)
Varistor
Louver
motor
BLU
PNK
6
5223311
6
5
FILE NO. SVM-05010-1
Infrared rays receive
and Indication parts
1 2 3 4 610
BLU
BLU
BLU
YEL
RED
BRW
ORN
4
CN07
4
BLU
1 2 3 4 6510
321
Power supply
circuit
Control
Fan motor
circuit
GRY
BRW
YEL
1
2
4
3
1
2
3
598
BLU
5 64
66554
BLU
8 9
7
7
BLU
BLU
7
8 9
7
Thermo.
sensor
(TA)
BLU
98
1
105 64321
10
21
BLK2BLK
WHI
CN03
CN25
CN13
2
1
CN01
2
1
BLK
BLK
Heat exchanger
sensor
(TC)
OUTDOOR
TERMINAL
BLOCK
RED
POWER SUPPLY
220 − 240 V ~ 50 Hz
BLK
MAGNETIC
CONTACTOR
CAPACITOR
145 C
TEMP FUSE
Indoor
l
termina
block
L
N
BLK
RED
RED
i
GRN&YEL
1
1
RED
3
2
2
3
i
CHASSIS
GRN&YEL
BLK
BLK
INDOOR
UNIT
OUTDOOR
UNIT
SPARK KILLER
GRY
R
U
T
S
W
V
(or A)
A1
(or B)
A2
CAPACITOR
RED
S
WHI
PNK
C
BLK
R
COMPRESSOR
C
S
R
COMPRESSOR TERMINAL
WHI
RED
FAN MOTOR
BLK
– 13
–
3-3.42TAR018-723 / 38TAR018-723
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN : GREEN
GRN&YEL : GREEN & YELLOW
P04
BLK
DSA
F01
250V
6.3A
CN30
CN31
CN27
GRN&YEL
Louver
motor
Varistor
Varistor
MAIN P.C. BOARD
(WP-003)
BLU
PNK
6
5223311
4
6
5
4
FILE NO. SVM-05010-1
Infrared rays receive
and Indication parts
1 2 3 4 610
BLU
BLU
BLU
YEL
RED
BRW
ORN
CN07
BLU
1 2 3 4 6510
321
Power supply
circuit
Control
Fan motor
circuit
GRY
BRW
YEL
598
BLU
BLU
5 64
105 64321
8 9
7
7
BLU
7
7
BLU
8 9
CN25
BLU
WHI
98
CN13
10
2
1
21
1
BLK2BLK
CN03
CN01
2
1
BLK
BLK
OUTDOOR
TERMINAL
BLOCK
Indoor
termina
block
POWER SUPPLY
220 V ~ 50 Hz
L
N
BLK
RED
BLK
RED
BLKBLK
RED
l
1
1
i
SPARK KILLER
A1A2
52C
R U
SV
TW
2
2
GRN&YEL
RED
CAPACITOR
3
3
GRY
i
CHASSIS
RED
WHI
PNK
COMPRESSOR
INDOOR
UNIT
OUTDOOR
UNIT
CAPACITOR
S
R
WHI
RED
BLK
C
COMPRESSOR TERMINAL
FAN MOTOR
C
S
R
BLK
1
2
4
3
1
2
66554
3
145 C
TEMP FUSE
Thermo.
sensor
(TA)
Heat exchanger
sensor
(TC)
MAGNETIC CONTACTOR
− 14 −
.
3-4
42HNR018-713 /38HNR018-713
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN : GREEN
GRN&YEL : GREEN & YELLOW
P04BLK
CN30
CN31
DSA
Varistor
F01
Louver
motor
250V6.3A
MAIN P.C. BOARD
(WP-003)
BLU
PNK
6
5223311
5
6
FILE NO. SVM-05010-1
Infrared rays receive
and Indication parts
BLU
RED
YEL
ORN
BRW
4
CN07
4
BLU
1 2 3 4 6510
98 1071 2 3
4 65
4 6
5
BLU
BLU
BLU
BLU
5 64
321
CN25
10
9871 2 3
WHI
BLU
BLU
BLU
98
7
CN13
10
8 9
7
+12 VDC
+5 VDC
WP-003
C
S
R
COMPRESSOR TERMINAL
220 − 240V ~ 50 Hz
L
BLK
RED
BLK
RED
WHI
PNK
N
FERRITE CORE
RED
MAGNETIC
CONTACTOR
R
(1/L1)
(3/L2)
(2/T1)
(4/T2)
U
CAPACITOR
S
R
C OMP R ES S O R
CN23
1
3
2
Serial Signal
circuit
TRANSFORMER
2
1
i
3
GRN&YEL
GRN&YEL
i
CHASSIS
BLK
BLK
RED
RED
BLK
BLK
WHI
RED
GRY
GRY
BRW
YEL
1
2
4
3
1
2
66554
3
145 C
TEMP FUSE
MAIN P.C. BOARD (MCC-890)
1
1
2
3
3
1
1
3
3
1
1
3
3
5
5
7
7
9
9
CN06
CN05
SG01
250VAC T6. 3A
CN01
F01
TNR
R74
TNR
R73
CN07
CN08
DISCHARGE
PIPE
SENSOR (TD)
BLU
1
1
2
3
3
BLU
BLK
1
1
2
3
3
BLK
HEAT
EXCHANGER
SENSOR (TE)
RY07
BLU
1
S
T
A1
(5/L3)
52C
(6/T3)
BLK
A2
W
COIL FOR
4 WAY VALVE
CAPACITOR
RED
WHI
RED
BLKBLK
V
C
YEL
BLU
BLU
313
11
33
CN11
CN02
CR11
CR12
CR13
CN03
1
1
RY05
RY06
3
FA N MO TO R
−15−
3-5.42HNR024-713 / 38HNR024-713
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN : GREEN
GRN&YEL : GREEN & YELLOW
P04BLK
CN30
CN31
DSA
Varistor
F01
250V6.3A
MAIN P.C. BOARD
(WP-003)
Louver
motor
BLU
PNK
6
5223311
5
6
FILE NO. SVM-05010-1
Infrared rays receive
and Indication parts
BLU
RED
YEL
ORN
BRW
4
CN07
4
BLU
1 2 3 4 6510
98 1071 2 3
4 65
4 6
5
BLU
BLU
BLU
BLU
5 64
321
CN25
10
9871 2 3
WHI
BLU
BLU
BLU
98
7
CN13
10
8 9
7
+12 VDC
+5 VDC
WP-003
C
S
R
COMPRESSOR TERMINAL
220 − 240V ~ 50 Hz
L
BLK
RED
BLK
RED
WHI
PNK
i
N
FERRITE CORE
RED
MAGNETIC
CONTACTOR
R
S
(1/L1)
(3/L2)
(2/T1)
(4/T2)
U
V
CAPACITOR
S
C
R
COMPRESSOR
BLK
1
1
GRN&YEL
T
(5/L3)
(6/T3)
W
A1
52C
A2
2
2
CN23
RED
RED
3
3
WHI
GRN&YEL
i
CHASSIS
CAPACITOR
FAN MOTOR
Serial Signal
circuit
TRANSFORMER
COIL FOR
4 WAY VALVE
BLK
BLK
RED
RED
BLK
BLK
WHI
RED
GRY
BLU
YEL
BLU
BLU
GRY
BRW
YEL
1
1
145 C
TEMP FUSE
1
1
2
CN06
3
3
1
1
CN05
3
3
1
1
3
3
5
5
CN01
7
7
9
9
1
CN11
313
11
CN02
33
BLKBLK
2
4
3
2
66554
3
MAIN P.C. BOARD (MCC-890)
TNR
SG01
R74
F01
250VAC T6. 3A
TNR
R73
RY07
CR11
RY05
CR12
CR13
CN03
3
1
1
RY06
CN07
CN08
DISCHARGE
PIPE
SENSOR (TD)
BLU
1
1
2
3
3
BLU
BLK
1
1
2
3
3
BLK
HEAT
EXCHANGER
SENSOR (TE)
−16−
FILE NO. SVM-05010
4. SPECIFICATION OF ELECTRICAL PARTS
4-1. Indoor Unit (42CJR024-723, 42CJR018-723, 42TAR024X-723, 42TAR018-723)
No.Parts nameTypeSpecifications
1 Fan motor (for indoor) AFS-220-31AAC 200 − 240V, 31W
2Thermo sensor (TA-sensor)———10 kΩ at 25°C
3 Micro Power Module (M01) µRM1260V DC 390 V, Secondary DC 12 V
4MicrocontrollerTMP87CM40AN
5Heat exchanger sensor
(TC-sensor)
6 Line filter (L01) LC*SS11V-06270 27mH, 600mA
7Diode (DB01)D3SBA604 A, 600 V
8 Capacitor (C63) KMH400VSSN47M22S4.7µF, 400 V
9 Fuse (F01) BET6.3A T6.3 A, 250 V
10 Varistor (R21, R22) 15G561K 560 V
11 Resistor (R319) RF-2TK5R6 5.6Ω, 2 W
12 Louver motor MP35EA12 Output (Rated) 2 W, 10 poles, 1 phase,
13Relay : (RY04) G5NB-1A Coil DC 12V, 16.7mA, Contact AC 250V, 1A
———10 kΩ at 25°C
DC 12 V
4-2. Indoor Unit (42HNR024-713, 42HNR018-713)
No.Parts nameTypeSpecifications
1 Fan motor (for indoor) AFS-220-31A AC 200 V, 31 W
2 Thermo sensor (TA-sensor) ——— 10 kΩ at 25°C
3 Micro Power Model (M01)µ RW1260 V DC 390 V, Secondary DC 12 V
4 Microcontroller TMP87CM40AN
5Heat exchanger sensor
(TC-sensor)
6 Line filter (L01) LC*SS11V-06270 27 mH, 600mA
7 Diode (DB01) D3SBA60 4 A, 600 V
8 Capacitor (C63) KMN400VSSN47M22S 4.74µF, 400 V
9 Fuse (F01) BET6.3A T6.3A, 250 V
10 Varistor (R21, R22) 15G561K 560 V
11 Resistor (R319) RF-2TK5R65.6Ω, 2 W
Cooling High temperature 0.5 12.0 High 32/23 43/26*
Low temperature0.31.0Low21/1521/15
Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
– 21 –
5-2. 42HNR024-713 / 38HNR024-713
FILE NO. SVM-05010
Indoor unit
Cooling
0.39 m
(Connecting pipe)
∅
15.88
O.D.:15.88 mmO.D.:6.35 mm
Cooling
Heating
Heating
P
Packed valve
(∅15.88)
Gas container connection (Reinstall etc.)
Heating
4-way valve
Cooling
Compressor
2JS386D5BB02
Accumulator
Condenser
Evaporator
Cross flow fan
T
Capillary tube
∅
1.0 x 700 s
Dryer
Packed valve
∅
6.35)
(
Capillary tube
∅2.0 x 1000 s
0.49 m
(Connecting pipe)
∅
6.35
Refrigerant
R22 1.
75 kg
Cooling
Heating
Propeller fan
Outdoor unit
Mark ( ) means check points of Gas Leak
Ambient temp.
50 Hz
Standard
pressure
(MPaG)
P
Surface temp. of heat
exchanger interchanging
pipe
T
(°C)
Fan speed
(indoor)
conditions DB/WB
(°C)
IndoorOutdoor
Standard 1.7 43.0 High 20/– 7/6
Heating High temperature 2.3 ~ 2.4 52.0 ~ 59.0 Low 27/– 24/18
Low temperature*1 1.2 36.0 High 20/– –10/–10
Standard0.411.0High27/1935/24
Cooling High temperature 0.6 12.0 High 32/23 43/26
Low temperature0.31.0Low21/1521/15
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.
– 22 –
5-3. 42CJR018-723 / 38CJR018-723
FILE NO. SVM-05010
Indoor unit
Evaporator
(Connecting pipe)
0.39 m
∅12.7
O.D.:12.7 mmO.D.:6.35 mm
Compressor
P
Packed valve
(∅12.7)
Accumulator
PH340X3C-4KT1
Cross flow fan
Condenser
Propeller fan
T
0.49 m
(Connecting pipe)
∅6.35
Packed valve
(∅6.35)
Capillary tube
∅2.0 x 1400 s
Refrigerant
R22 1.17 kg
Outdoor unit
Mark ( ) means check points of Gas Leak
Ambient temp.
Surface temp. of heat
exchanger interchanging
pipe
T
(°C)
Fan speed
(indoor)
conditions DB/WB
(°C)
IndoorOutdoor
50 Hz
Standard
pressure
(MPaG)
P
Standard0.411.0High27/1935/24
CoolingHigh temperature0.513.0High32/2343/26
Low temperature0.32.0Low21/1521/15
Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
– 23 –
5-4. 42TAR018-723 / 38TAR018-723
FILE NO. SVM-05010
Indoor unit
Evaporator
(Connecting pipe)
0.39 m
∅15.88
O.D.:15.88 mmO.D.:6.35 mm
Compressor
P
Packed valve
(∅15.88)
Accumulator
PH290X2C-4FT1
Cross flow fan
Condenser
Propeller fan
T
0.49 m
(Connecting pipe)
∅6.35
Packed valve
(∅6.35)
Capillary tube
∅2.0 x 800 s
Refrigerant
R22 1.47 kg
Outdoor unit
Mark ( ) means check points of Gas Leak
Ambient temp.
Surface temp. of heat
exchanger interchanging
pipe
T
(°C)
Fan speed
(indoor)
conditions DB/WB
(°C)
IndoorOutdoor
50 Hz
Standard
pressure
(MPaG)
P
Standard 0.5 10.0 High 27/19 35/24
CoolingHigh temperature0.612.0High32/2343/26
Low temperature0.32.0Low21/1521/15
Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
– 24 –
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