Friedrich MW09C3E User manual

MULTI SPLIT TYPE
AIR CONDITIONER
WALL MOUNTED type
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . 5
OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . 6
PRINTED CIRCUIT BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . 7
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Models Indoor unit Outdoor unit
ASU9D AOU18D
MW09C3E MR18DC3E
s
DUAL ZONE
DUAL ZONE
SPLIT TYPE
AIR CONDITIONER
920-149-00 (10-02)

– 1–
SPECIFICATIONS
INDOOR UNIT ASU9D ASU9D x 2
OUTDOOR UNIT AOU18D
COOLING CAPACITY (BTU/hr) 9,300 - 9,600 18,600 - 18,800
PO ER SOURCE (V) 208 - 230
FREQUENCY (Hz) 60
RUNNING CURRENT (A) 4.9 - 4.6 9.5 - 9.0
INPUT ATTS ( ) 1,000 - 1,030 1,950 - 2,000
SEER 10.5 11.0
MOISTURE REMO AL Pts/hr (R/hr) 2.1 (1.0) 2.1 (1.0) + 2.1 (1.0)
AIR CIRCULATION-Hi (m3/hr) 510 510 + 510
ELECTRICAL DATA
COMPRESSOR
FAN MOTOR
DIMENSIONS
TYPE Hermetic type, Permanent split condenser,
2 pole, Single phase, Induction motor
CODE QK151KAA
208 - 230 60Hz
REFRIGERANT R-22 lbs (g) 1.83 (830) x 2
POWER SOURCE ( ) 208 - 230
H I (r.p.m.) 1,320 ± 20
INDOOR UNIT MED (r.p.m.) 1,210 ± 20
LO (r.p.m.) 1,100 ± 20
QUIET (r.p.m.) 1,000 ± 20
OUTDOOR UNIT (r.p.m.) 0,650 ±50
INDOOR UNIT
H x x D inch (mm)
11 (280) x 32-1/8 (815) x 7 (179)
OUTDOOR UNIT 25-6/16 (643) x 33-1/16 (840) x 13-3/16 (335)
WEIG TS
INDOOR UNIT
GROSS / NET lbs (kg)
26 / 22 (12 / 10)
OUTDOOR UNIT 168 / 150 (76 / 68)
MW09C3E x 2MW09C3E
MR18DC3E

– 2–
Models : ASU9D / AOU18D
32-1/8”(815) 7 (179)
11 (280)
OUTLINE AND DIMENSIONS
INDOOR UNIT
Unit : inch (mm)
OUTDOOR UNIT
33-1/16”
(840) 13-3/16” (336)
25-6/16”
(643)
13-3/16”
(333)
63/64” (25)
31-10/16” (804)
Mounting bolt pitch)
MW09C3E / MR18DC3E

– 3–
REFRIGERANT SYSTEM DIAGRAM
Models : ASU9D x 2 / AOU18D
COMPRESSOR-A
2-WAY
VALVE
2-WAY
VALVE
3-WAY
VALVE
3-WAY
VALVE
THERMISTOR-A (DISCHARGE PIPE)
COMPRESSOR-B
THERMISTOR-A (CONDENSER)
THERMISTOR-B (DISCHARGE PIPE)
THERMISTOR-B (CONDENSER)
THERMISTOR
(PIPE)
EVAPORATOR EVAPORATOR
CAPILLARY TUBE HEAT EXCHANGER
HEAT EXCHANGER
CAPILLARY TUBE
DRYER DRYER
OUTDOOR UNIT
INDOOR UNIT A INDOOR UNIT B
THERMISTOR
(PIPE)
MW09C3E x 2 / MR18DC3E

– 4–
CIRCUIT DIAGRAM
Models : ASU9D x 2 / AOU18D
12345 12 12
12
22 11
345
12345 123456 89 123456 89
6 89
3 2 1
3 2 1
6 5 4 3 2 1
6 5 4 3 2 1
PURPLE BLUE GREEN YELLOW ORANGE RED
WHITE
BLACK
RED
BLACK
GREEN
RED
BLACK
123
WHITE
YELLOW
WHITE
ORANGE ORANGE
WHITE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BROWN
1 2 1 2
M
FM
FM
FAN MOTOR
FAN
CAPACITOR
COMPRESSOR CAPACITOR B
COMPRESSOR MOTOR B
POWER RELAY B
TERMINAL
TERMINAL
POWER SOURCE 230 - 208V 60Hz
OVERLOAD PROTECTOR
BLACK
BLACK
BLACK
WHITE RED BLUE
THERMISTOR (OUTDOOR TEMP.)
RED
BLUE
BROWN
S
R
C
WHITE BLACK
BLACK BLACK
PINK
BLACK
WHITE
WHITE WHITE BLUE
RED
GREEN RED RED
PURPLE PURPLE
YELLOW
THERMAL FUSE
FUSE
F1 T3.15A 250V
FUSE (3A)
G
TRANSFORMER
PRINTED CIRCUIT BOARD
RED RED BLUE BLUE BLACK BROWN PINK GREEN YELLOW
UNIT A UNIT B POWER
THERMISTOR A (COND. TEMP.) THERMISTOR B (COND. TEMP.) THERMISTOR A (DIS. TEMP.) THERMISTOR B (DIS. TEMP.)
WHITE
WHITE
BLACK
WHITE BLACK
WHITE
COMPRESSOR CAPACITOR A
COMPRESSOR MOTOR A
STEP MOTOR
CONTROL BOARD
POWER SUPPLY BOARD
THERMISTOR
(ROOM TEMP.)
(LOUVER U)
LOUVER Z DIFFUSER
TEST
POWER RELAY A
OVERLOAD PROTECTOR
RED
WHITE
BROWN
RED
ORANGE
YELLOW
GREEN
BLACK
BLACK BLACK
WHITE
GRAY
PURPLE
BLUE
BROWN
S
R
C
BLACK
GREEN/ YELLOW
1 2 3 4 5 6 8 9
10
1
1 2 3 4 5 1 2 3 4 5
2 3 4 5 6 8 9
10
M
54321 54321
()
THERMISTOR
(PIPE TEMP.)
PRINTED CIRCUIT
BOARD (DISPLAY)
FAN MOTOR
CAPACITOR
TERMINAL THERMAL
PROTECTOR
GRAY GRAY
12345 12 12
12
22 11
345
12345 123456 89 123456 89
6 89
3 2 1
3 2 1
6 5 4 3 2 1
6 5 4 3 2 1
PURPLE BLUE GREEN YELLOW ORANGE RED
WHITE
BLACK
RED
BLACK
GREEN
RED
BLACK
123
WHITE
YELLOW
WHITE
ORANGE ORANGE
WHITE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BROWN
1 2 1 2
M
FM
STEP MOTOR
CONTROL BOARD
POWER SUPPLY BOARD
THERMISTOR
(ROOM TEMP.)
(LOUVER U)
LOUVER Z DIFFUSER
TEST
UNIT A
INDOOR UNIT OUTDOOR UNIT
UNIT B
BROWN
RED
ORANGE
YELLOW
GREEN
BLACK
BLACK BLACK
WHITE
GRAY
PURPLE
BLUE
GREEN/ YELLOW
1 2 3 4 5 6 8 9
10
1
1 2 3 4 5 1 2 3 4 5
2 3 4 5 6 8 9
10
M
54321 54321
()
THERMISTOR
(PIPE TEMP.)
PRINTED CIRCUIT
BOARD (DISPLAY)
FAN MOTOR
CAPACITOR
TERMINAL THERMAL
PROTECTOR
GRAY GRAY
CN1
CN
CN101 CN103
W104W105W106W101
CN104
CN6 CN5CN4
CN11
1 2
12
3 4 5 6
CN12
1 2
1 2
CN
1 2
3 4 5 6
CN8
W2 W1
1 2 3 4
CN9
1 2 3 4 5 6 8 9
10
1234
CN3CN2
CN4
1 2
CN5
1 2
1
CN1
E
1 2
CN18
3 1 2
CN10
3
23456 8
1 2 3 4 5
CN3
CN2
CN1
CN
CN101
CN102
CN102
CN103
W104W105W106W101
CN104
CN6 CN5CN4
1 2 3 4 5
CN3
CN2
MW09C3E x 2 / MR18DC3E

– 5–
INDOOR PRINTED CIRCUIT BOARD
CIRCUIT DIAGRAM
Model : ASU9D
(RED)
(GREEN)
(WHITE) (WHITE) (ORANGE) (ORANGE)
(BROWN)
(BROWN)
(BLACK) (BLACK) (GRAY) (GRAY)
PIPE TEMPERATURE THERMISTOR ROOM TEMPERATURE THERMISTOR
(RED) (ORANGE) (PURPLE)
(RED) (
ORANGE
)
(YELLOW)
(YELLOW) (GREEN) (GREEN) (BLUE) (BLUE) OPERATE (RED)
TIMER (GREEN) SWING (ORANGE)
(PURPLE) (GRAY) (WHITE)
(BLACK)
LOUVER U LOUVER Z (DIFFUSER)
INDICATOR PCB
CONTROLLER PCB ASSEMBLY (MAIN PCB)
THERMAL FUSE 102°C
230V AC 0 Hz
FAN CAPACITOR
8.38MHz
(WHITE)
(WHITE) (WHITE)
(WHITE) (WHITE) (WHITE) (WHITE) (WHITE) (WHITE) (RED)
(RED)
(RED)
(BLACK)
(BLACK) (WHITE)
MODEL CHANGING CODE
AUTO CHANGE OVER
HEATING CORRECTION SWITCHING
AUTO RESTART
REMOTE CONTROL CUSTOM CODE RESERVE
(WHITE)
(BLACK)
POWER SUPPLY PCB
MW09C3E

– 6–
OUTDOOR PRINTED CIRCUIT BOARD
CIRCUIT DIAGRAM
Model : AOU18D
5V
CN4 1 9844-1
CN5 1 9844-2
K2 JQ1-12V
CN3 B4P -VH-B
RELAY CONNECTOR
TERMINAL BOARD
FUSE
3A 250V(T)
INDOOR UNIT AINDOOR UNIT B
POWER
SOURCE
208V/230V
60Hz
CR2
120/0.2
CR3
120/0.2
BLACK BLACK
BLACK BLACK
BLACK
BLACK
BLUE
CN4-2 CN4-1
CN3-4
CN3-3 CN3-2 CN3-1
RED RED BLUE BLUE
WHITE
WHITE BLACK BLACK
WHITE
WHITE
WHITE
BLACK
BLACK
WHITE
WHITE
TERMINAL
WHITE
RED
BLUE
RED
BLACK
YELLOW
COMP. CAPACITOR B COMP. CAPACITOR A
COMP. RELAY B
JM1AN-ZTM-DC12V
COMP. RELAY A
JM1AN-ZTM-DC12V
COMP. B
COMP. A
TRANS EZ-000AHUE-T
THERMAL FUSE
UL1015-AWG22
UL1015-AWG22
PURPLE
PURPLE
UL1430-AWG22
UL1430-AWG22
UL1430-AWG22
UL1430-AWG22
BLUE
BLUE
RED
RED
CN5-1
CN B2P3-VH-B
CN -1 CN -2
CN8 B4B-XH-AM
CN8-4
CN8-3
D2 D2SB20
K6 JQ1-12V
K5 JQ1-12V
D12 D1F60
Q2 2SD1932
24V
5V
12V 12V
K2 K1
K5
K6
16
14
12
10
11 6
4
3
15 2
IC3- UPA2003
IC3-6 UPA2003
IC3-5 UPA2003
IC3-4 UPA2003
IC3-3 UPA2003
IC3-2 UPA2003
IC3-1 UPA2003
IC10 NM93C46
R36 390 <1/10W> R34 390 <1/10W> R24 390 <1/10W>
R35 390 <1/10W>
R25 390 <1/10W>
R23 390 <1/10W>
R58
R5
R56
10K <1/10W>x3
R44 10K <1/10W>
C36 0.1<F>
D8 SLR-325
D9 SLR-325 D10 SLR-325
D15 SLR-325 D16 SLR-325 D1 SLR-325
RED
RED RED
RED
RED RED 14
12
10 13
9
11
1
2 3
4
5
6
P46
P45
P44
P43 P42
P41
P40
P50 P52 P54
P51 P53 P55
X1 X2
49 48
13
35
36
40
3
38 39
44
RESET
19 20 21
22
P30
P31
P32
P33 AN1 AN2
AN3
AN4 AN5 AN6
2
5V
IC2 805
D5 D1F60
12V
CN8-2 CN8-1
D1 D2SB20
Q1 2SD1932
R1 10K <1/10W> X1 8.38MHz
C10
100
50V
+
D4
MTZJ2 A
R3
4. K
<1/10W>
R2
4. K
<1/10W>
+
C9
10
50V
R42
15K <1/4W>
R41
15K <1/4W>
C6
2200 63V
C12
0.1 <F>
C11
1000 25V
+
C8
10 50V
C
10
50V
+
D3
MTZJ15A
CJ28
C5
3300 50V
R45
10K
<1/4W>
+
1000P <R>x5
C23
C24
C25
C26
CJ2
R12
R13 R14 R15
R11 1.0K <1/10W>x5
10/25Vx5
+++++
C29
C30
C31
C32
C33
C41
C40
C39
C38
UL1015-AWG20
4WV.A 4WV.B
K1 JQ1-12V
CR1
120/0.2
BLACK
UL1015-AWG20
FAN CAPACITOR-1
BLACK
CN2 B2P3-VH-B-Y
FAN MOTOR 1
CN2-2 CN2-1
C44
0.1<F>
R40
10K
<1/10W>
5V
CJ3 D11 DAN202K
5V
IC6 PST 600C
C43
0.1 <F>
R30
R31 R32
R33
1.0K <1/10W>x4
0.01 <F>x4
P10 41
1
2
3
25 24 23
26
P36
P35
P34
P20
P0152
50 VSS
1 2 3 6
CJ35
R50 10K <1/10W>
56
P 1
18
10
14
4 5
1
3
2
5V
C4 100 50V
IC8 HU2001
5V
+
C46
0.1
Q8 2SC2 12
R46 10K <1/10W>
C45
0.1
R51 1.0K <1/10W>
5V
R8 1.0K <1/10W>
C16
1000P
<R>
R10
10K
<1/10W>
R6
4. K
<1/10W>
5V
R4 10K <1/10W>
R52 1.0K <1/10W>
Q 2SC2 12
5V
C15
1000P
<R>
R 1K 31
4
34
33
2 16
15
1
32 55 46
43
42 18
8
28
29 P23
IC
P1 AVSS
P21
P5
P56
VSS
VDD P 0 XT1 AVDD AVREF
VDD
P4
P22 P03
P02
P 2
P 3 58
5
54
53
R53 1.0K <1/10W>
R55 1.0K <1/10W>
R49 10K <1/10W>
R48 10K <1/10W>
Q6 2SC2 12
Q5 2SC2 12
Q4 2SC2 12
R66 10 <1/4W>
D DA226U
D6 DA226U
24V D13
DAN202K
118
8
2
R63 10 <1/4W>
R64 10 <1/4W>
R65 10 <1/4W>
314
15
UPA2003 IC4 (3/ )
CN10 B3B-XASK-1-A
8
4 5
VCC CS
SK
GND
NC
D0
NC
D1
SA1 RA-362M
VA2 4 0 <TNR12G>
18
10 14
C4
0.01 <KH>
C1
0.22
<RE>
C3
0.01
<KH>
F1 3.15A 250V
VA1
4 0 <TNR12G>
CN1-2
CN1-1
CN1 B2P3-VH-B-C
UL1015-AWG16
GREEN
E
W1
W2
UL1015-AWG20 WHITE
UL1015-AWG20 BLACK
UL1015-AWG20
UL1015-AWG20
RED
PINK
BLACK
1
2 3
4
5
6
8
E
5 1
5V
R3
R38
R39
R43
10K <1/10W>x4
CN14-1
IC1 P 4
P 5
P24
P25
XT2 45
60
59
30
UPD 80023ACW -015
P64 61
P65
P66
62
413 512
6
9
11
10
63
64
51 P6
INTP0
24V
IC4 (4/ ) UPA2003
24V
R59 10 <1/4W>
R60 10 <1/4W>
R61 10 <1/4W>
R62 10 <1/4W>
Q3 DTC124EKA
C13 0.1 <F>
C14
0.01
R9
10K
<1/10W>
5V
R5
4. K <1/10W>
5V 5V
R4
4. K <1/10W>
2 3
1
5
4
IC HU2001
EZ-0010WUE-C 24V
CN11-1
CN11-2
CN11-3 CN11-4
CN11-5
CN11-6
CN11
B6B-XASK-1-A
CN12
B6B-XARK-1-A
CN12-1
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
RED
BROWN
BLUE
ORENGE
YELLOW
WHITE
CN12-2
CN12-3
CN12-4
CN12-5
CN12-6
CN-10-1
CN10-3
CN18-1
CN18-3
CN18 B3B-XARK-1-A
UL1430-AWG22
UL1430-AWG22 UL1430-AWG22
UL1430-AWG22 RED
RED
WHITE
WHITE
CN14-2 CN14-3 CN14-4 CN14-5
5V
CN14 B5P-SHF-1AA
CN9 B10B-XASK-1-A
CN9-1 CN9-2 CN9-3
CN9-4 CN9-5 CN9-6 CN9-
CN9-8 CN9-9 CN9-10
BLACK
BLACK
BLACK BLACK
BLACK
BLACK
BROWN BROWN BROWN
BROWN
TEST
THERMISTOR
(BLACK)
(BROWN)
(PINK)
(GREEN)
(YELLOW)
TUBE
C1
C18
C19
C20
C21
0.1 <F>x5
R21 6.65K (1/10W) (1%)
R19 14.0K (1/10W) (1%)
R18 14.0K (1/10W) (1%)
R1 38.3K (1/10W) (1%)
EV-A EV-B
ELECTRONIC VALVE COIL A ELECTRONIC VALVE COIL B
COMP RELAY A
COMP RELAY B
OUTDOOR TEMP. R25=10.00 B25/50=3950K COND.TEMP.A R0=16.05 B0/25=38 3K
COND. TEMP.B RO=16.05 B0/25=38 3K
DIS. TEMP. A R100=3.43K B50/100=4012K DIS. TEMP.B R100=3.43K B50/100=4012K
CONTROLLER PCB ASSEMBLY (MAIN PCB)
CN5-2
IGO
R20 6.65K (1/10W) (1%)
R54 1.0K <1/10W>
BLACK
GREEN/YELLOW
MR18DC3E

– 7–
INDOOR P.C. BOARD LAYOUTS
CONTROLLER P.C. BOARD ASSEMBLY (MAIN PCB)
( iewed from the solder side)
INDICATOR P.C. BOARD ASSEMBLY
( iewed from the solder side)
POWER SUPPLY P.C. BOARD ASSEMBLY
( iewed from the solder side)

– 8–
CONTROLLER P.C. BOARD ASSEMBLY (MAIN PCB)
( iewed from the component side)
INDICATOR P.C. BOARD ASSEMBLY
( iewed from the component side)
POWER SUPPLY P.C. BOARD ASSEMBLY
( iewed from the component side)

– 9–
OUTDOOR P.C. BOARD LAYOUTS
CONTROLLER P.C. BOARD ASSEMBLY
( iewed from the solder side)
( iewed from the component side)