Friedrich MW09Y3H Building instructions

Models
MW09Y3HIndoor Units
Outdoor Units MR09Y3H
MW12Y3H
MR12Y3H
Service and Parts Manual

FRIEDRICH AIR CONDITIONING CO.
10001 Reunion Place, Ste. 500, San Antonio, TX 78216
[phone] 877-599-5665 x 261 FAX [phone]
Email: [email protected]
www.friedrich.com
Printed in the U.S.A.
TECHNICAL SUPPORT
CONTACT INFORMATION
FRIEDRICH AUTHORIZED PARTS DEPOTS
AAA Refrigeration Service
1322 24th Street, Suite B
Kenner, Louisiana 70062
504-464-7444
877-813-7444
Alamo Service Company
1450 North Flores Street
San Antonio, Texas 78212
210-227-2450
800-328-2450
The Gabbert Company
6868 Ardmore
Houston, Texas 77054
713-747-4110
800-458-4110
Johnstone Supply of Woodside
27-01 Brooklyn Queens Expway
Woodside, New York 11377
718-545-5464
800-431-1143
Reeve Air Conditioning, Inc.
2501 South Park Road
Hallandale, Florida 33009
954-962-0252
800-962-3383
CUSTOMER SATISFACTION and QUALITY ASSURANCE
Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and
controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering
to the policies and procedures you provide us with vital information on each warranty repair you complete.
This information is used to identify product failure trends, initiate corrective action, and improve product
quality, thereby further reducing warranty expenses while increasing customer satisfaction levels.
1

2
S P E C I F I C A T I O N S
TYPE Cool & heat inverter
INDOOR UNIT MW12Y3H
OUTDOOR UNIT MR12Y3H
COOLING CAPACITY 11,500 BTU/h
(3.40 kW)
HEATING CAPACITY 14,000BTU/h
(4.11 kW)
POWER SOURCE 208 / 230 V
FREQUENCY 60 Hz
RUNNING
CURRENT
MAXIMUM
CURRENT
4.3 A
5.2 A
INPUT WATTS 0.92 kW
1.12 kW
E.E.R. Cooling 12.5 BTU/Wh
(3.69 kW/kW)
COP Heating
Cooling
Heating
Cooling
Heating
Cooling
Heating
12.5 BTU/Wh
(3.67 kW/kW)
MOISTURE REMOVAL 3.8 Pts/h (1.8 L/h)
AIR CIRCULATION HIGH 447 cfm (760 m3/h)
MW09Y3H
MR09Y3H
8,500 BTU/h
(2.50 kW)
10,000 BTU/h
(2.93 kW)
208 / 230 V
60 Hz
3.3 A
3.6 A
6.5 A
9.0 A
6.0 A
7.5 A
0.68 kW
0.76 kW
12.5 BTU/Wh
(3.68 kW/kW)
13.16 BTU/Wh
(3.86 kW/kW)
2.7 Pts/h (1.3 L/h)
FAN MOTOR
POWER SOURCE 230 V
High speed
INDOOR
UNIT
Cooling
Middle speed
Low speed
Quiet
High speed
INDOOR
UNIT
Heating
Middle speed
Low speed
Quiet
High speed
Middle speed
Low speed
Quiet
OUTDOOR UNIT Heating 650 r.p.m.
OUTDOOR UNIT Cooling
730 r.p.m.
1,300 r.p.m.
1,130 r.p.m.
900 r.p.m.
650 r.p.m.
1,300 r.p.m.
1,130 r.p.m.
950 r.p.m.
680 r.p.m.
760 r.p.m.
860 r.p.m.
ELECTRICAL DATA
INDOOR
UNIT
Cooling
High speed
Middle speed
Low speed
Quiet
INDOOR
UNIT
Heating
OUTDOOR UNIT Heating
NOISE LEVEL
43 dB
38 dB
33 dB
22 dB
43 dB
38 dB
33 dB
22 dB
43 dB
38 dB
33 dB
22 dB
43 dB
38 dB
33 dB
22 dB
46 dB 49 dB
OUTDOOR UNIT Cooling 46 dB 49 dB
COMPRESSOR TYPE
Hermetic type,
4 pole, 3 phase,
DC inverter motor, Rotary
DISCRIMINATION
DA89X1C-20FZ2
5SS072XAA
PRECHARGED REFRIGERANT
REFRIGERANT TYPE R410AR410A
30 oz (850 g)
30 oz (850 g)
25 oz (700 g)
25 oz (700 g)
WEIGHT (with oil) 20 lb (9.2 kg)13 lb (5.9 kg)
COMPRESSOR AND REFRIGERANT
Pipe length 49 ft (15 m)
FULL CHARGE 66 ft (20 m) 34 oz (950 g)
28 oz (800 g)
MAXIMUM PIPING HEIGHT 49 ft (15 m)
ADDITIONAL REFRIGERANT
0.21 oz/ft (20 g/m)
WEIGHT
INDOOR UNIT Shipping / Net
Shipping / Net
21 lb / 16.5 lb
(9.5 kg / 7.5 kg)
OUTDOOR UNIT
75 lb / 68 lb
(34 kg / 31 kg)
62 lb / 55 lb
(28 kg / 25 kg)
INDOOR UNIT H x W x D
H x W x D
11-1/32 x 31-3/32 x 7-25/32 inch
(280 x 790 x 198 mm)
OUTDOOR UNIT
21-1/4 x 25-31/32 x 11-13/32 inch
(540 x 660 x 290 mm)
DIMENSIONS

3
D I M E N S I O N S
unit : inch (mm)
11-1/32 (280)
7-25/32 (198)31-3/32 (790)
INDOOR UNIT
Refrigerant pipe length
Liquid : 15-3/16 inch (386 mm)
Gas : 12-15/16 inch (329 mm)
Drain hose length : 23-5/8 inch (600 mm)
Drain pipe diameter
Inside : 5/8 inch (15.8 mm)
Outside : 1-9/64 inch (29 mm)
OUTDOOR UNIT
25-31/32 (660)
18 (454)
21-1/4 (540)
11-13/32 (290)

4
R E F R I G E R A N T
S Y S T E M D I A G R A M
2-Way valve
Strainer
Strainer
3-Way valve
Muffler
4-Way valve
Expansion valve
Refrigerant direction
Heat exchanger
(indoor unit)
Heat exchanger
(outdoor unit)
Compressor
Cooling flow
Heating flow
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm)

5
RED
WHITE WHITE WHITE WHITE WHITE WHITE
BLUE
YELLOW
WHITE
BLACK
RED
BLACK BLACK
BLACK
BLACK
BLUE PINK
YELLOW ORANGE RED
GREEN
RED
WHITE
BLACK
CN1
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 6 7 8
1
2 3 4 5 6 7
1
2 3 4 5 6 7
1
2 3 4 5 6 7
1
2 3 4 5 6
1
2 3 4 5 6 1
2
1
2 3 4 5
1
2 3 4 5
1
2 3 4 5
1
2 3 4
1
2 3 4
CN8
CN3
CN201
CN5
CN4
CN7
CN6
CN2
W4
GEARTH
TERMINAL
TERMINAL BOARD
1 2 3
TEST
M
PIPE THERMISTOR
ROOM THERMISTOR
STEP MOTOR ( LOUVER )
F MFAN MOTOR
INDICATOR PCB ASSY
CONTROLLER
PCB ASSY
( MAIN PCB )
THERMAL FUSE 102
COMPRESSOR
FAN MOTOR
EXPANSION VALVE COIL
EXPANSION VALVE COIL
4-WAY VALVE COIL
G
POWER SOURCE
TERMINAL BOARD 123 L1 L2
FUSE
250V 20A
FUSE
250V 5A
or
or
PIPE THERMISTOR
DISCHARGE THERMISTOR
OUTDOOR THERMISTOR
REACTOR REACTOR
CONTROLLER PCB ASSY
CN62
BLACK
CN61
W10
W11
W7 W8
W9
CN800
CN40
CN501
W4 W2
W1
W3
1 2
3 4 5
6
7
1 2
3 4 5
6
7
1 2
3 4 5
6
1 2
3 4 5
6
1 2
1 2
1 2
3 4
1 2
3 4
1 2
3
1 2
3
BLACK
BLACK BLACK
BLACK BLACK
BLACK
BLACK
RED
WHITE
BLACK
BLACK
GREEN
WHITE
WHITE
RED
WHITE
RED
RED BLACK WHITE YELLOW BROWN
RED
BROWN BLUE ORANGE YELLOW WHITE
RED BLUE ORANGE
YELLOW
WHITE
BLACK BLACK
PMV
PMV 4WV
F M
C M
C(T)W
R(R)U
S(S)V
RED
WHITE BLACK
BLACK WHITE RED
C
R
S
C M COMPRESSOR
MR09Y3H
MR12Y3H
INDOOR UNIT OUTDOOR UNIT
C I R C U I T D IA G R A M

6
BLACK
BLACK
BLACK
BLACK
RED
ORANGE
YELLOW
PINK
BLUE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
BLACK
WHITE
YELLOW
BLUE
6
5
4
3
2
1
1
2
3
4
5
6
7
8
1
2
3
4
5
1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
4
1
2
3
4
5
6
7
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( ROOM TEMP. )
CN4
1971032-4
CN5
1971032-5
CN3
1971032-7
CN6
B5B-PH-K-S
CN8
SJH20-08WSF
CN7
B5 ( 6-5 ) B-XARK
FAN MOTOR
TEST
CN201
JB20-07
STEP MOTOR
( LOUVER )
F. M.
M
THERMAL
FUSE 102
BLACK
WHITE
RED
GREEN
EARTH TERMINAL
TERMINAL BOARD
3
N
L
W4
12345
2 1
CN2
1871843-2
CN1
2013485-1
TO OUTDOOR UNIT
CONTROLLER PCB ASSEMBLY
MW09Y3H : K07AN-0907HSE-C1
MW12Y3H : K07AN-0908HSE-C1
INDICATOR PCB ASSEMBLY
K07BJ-0700HSD-D0
OPTION
CONTROL UNIT
MW09Y3H : EZ-00906HSE
MW12Y3H : EZ-00907HSE
I N D O O R P C B
C I R C U I T D I A G R A M

7
P32 P70 P71 P72 P73 P74 P75 P33 P63 P62 P61 P60
VDD
VSS
C
X1
X2
MD0
123
P
124
P
120
P
140
P
130
P
AV
DD
AV
SS
RST
P40
P41
P00
P01
P20
P21
P22
P23P24P25
P26P27
P10
P11
P12
P13 P14
P15 P16 P17 P30
P31
12 11 10 9 8 76 5 4 321
25 26 27 28 29 30 31 32 33 34 35 36
13
14
15 16 17 18 19 20 21
22
23
24
48
47
46 45 44 43 42 41 40
39
38
37
C24
0.1
<F>
5V
C17
0.1
<F>
X1
FCR8.0MC5T
8.00MHz
5V
R48 0R0
5V
5V
C41
0.1
<F>
R46
1.0k
<1/10W>
R45 10k <1/10W>
C50
1000p
<R>
15V-3
R37
47
<1/10W>
R25
10k
<1/10W>
1%
C25
1000p
<R>
R36
10k
<1/10W>
15V-2 340V
5V
R20
1.0k
<1/10W>
R21
10k
<1/10W>
C23
1000p
<R>
5V
15V
R29, R28, R27 270 <1/10W> x 3
15V
I C8
TNY274PN
C12
0.1
<F>
D7
1SS355
15V
5V
L2
BLm18
<BD102>
15V
JM1 0R0
15V-2 15V-3
R57 0R0
T1
MY082N D3
D1FL20U
C10
220/
25V
+C9
330/
25V
+
D4
D1FL20U
R8 1.0k <1/10W>
Q5 2SC4081 <R>
R11
27k
<1/10W>
R10
10k
<1/10W>
1%
R9
10k
<1/10W>
1%
C11
0.1
<F>
I C6
TL431 I Z-AP
C
AREF
3
2
1
Q6
2SA1576A
<R>
R6
150
<1/10W>
R7
1.0k
<1/10W>
5
6 7 8 S
S
S S
4
2 1
D
BP-M
EN-UV
1 3
2
5
3 2
4
10
9 8 7 6
A
D2
UF4007
R3
100k
<1/2W>
340V
C5
0.01
<ECQE>
R2
100
<1/4W>
C28
0.1
<F>
C31
0.1
<F>
15V
R38
1.0k
<1/10W>
R39
10k
<1/10W>
1%
R40
1.0k
<1/10W>
R41
49.9k
<1/10W>
1%
5V
L4
0R0 L6
0R0
L3
0R0
R43
10k
<1/10W>
BZ1 PS1240P02BT
B Z
I C13-7 uLN2003ADR
10 7
A
5V
C19
0.1
<F>
A
R44
10k
<1/10W>
I C12
S-93C56BD0 I
5V
C36
0.1
<F>
5V
R55
10k
<1/10W>
A
8
4
6 57
3 2
1VCC
DO
TEST GND NC
D I
SK CS
11 6
I C13-6 uLN2003ADR
R35 33 <1/2W>
15V
C29
1000p
<E>
R12
1.0k
<1/2W>
5V
JM2
0R0
5V
R15
1.0K
<1/10W>
C21
0.01
<B>
A
A
AA
R14
1.0k
<1/10W>
R13
10k
<1/10W>
Q1
RT1N241M
C20
0.01
<B>
I C13-1
uLN2003ADR
3
1
2
16 1
W4
18 14 10 5 4 3 2 1
A
10 54 3 2 1
14
18
2 3
1
4
+
D5
S1NBC60
-
+C4
68/
420V
9
8A
I C 1 3
uLN2003ADR
A
I C13-2 uLN2003ADR
I C13-3 uLN2003ADR
I C13-4 uLN2003ADR
I C13-5 uLN2003ADR
12
13
14
5
4
3
152
R31 - R34
47 <1/10W> x 4
A
A
1
3
2
A
I C 1
uPD78F0514AGA
A
A
A
A
AA
+C6
10/
25V
R26
8.2k
<1/10W>
1%
Q3 DTA124EUA
Q2
RT1N241M
2
3 1
2
3 1
A
340V
5V
A
R22 10k <1/10W>
R30
100k
<1/10W>
R19
10k
<1/10W>
R23, R42 1.0k <1/10W> x 2
AA
C15
0.1
<F>
C14
0.01
<B>
W-I N
W-OUT
5V 5V
R49, R51 10k <1/10W> x 2
A
A
R1
0R0
FH1 FH2
F1
FIH 250V 3.15A (EM)
VA1
470V
<ERZV>
C1
0.1
<LE>
C3
0.01
<F>
C2
0.01
<F>
L5
20*20*18
0.6A - 10mH
43
1 2
H I C 2
G K - L V 3 0 1 1 E 5
L1
SS11V-06180
A
A
W-I N
W-OUT
A
AA
A
1
2
3 4
5 6 7
1
2
3 4
5
5
4
3 2
1
1
2
3 4
5
1
2
1
3
5
4
3 2 1
8
7
6 5
4 3 2
1
CN2
1871843-2
TP00351-31 x 2
6
CN7 B5 (6-5) B-XARK-1
DC FAN MOTOR
CN3 1971032-7
TO INDICATOR PCB ASSY
CN5 1971032-5
STEP MOTOR ( LOUVER )
CN4
1971032-4
THERMISTOR ( PIPE TEMP. )
CN6
B5B-PH-K-S
TEST
TIMER SHORT SCK
DO
D I
TO TERMINAL BOARD
POWER RELAY DRAIVE
CN1
2013485-1
BLACK
WHITE
RED
TO TERMINAL BOARD FAN
( Vsp )
FAN
( Vcc )
CN8
SJH20-08WS
TO OPTION PCB ASSY
INDOOR UNIT CONTROLLER PCB ASSEMBLY ( MAIN PCB ) MW09Y3H : K07AN-0907HSE-C1 MW12Y3H : K07AN-0908HSE-C1
THERMISTOR ( ROOM TEMP. )

8
5V
5V
5V
+
I C201
GP1UM261RKVF
R202
47
<1/4W>
C202
47/
10V
C203
0.1
<F>
SW201
KSHG0611BT
CN201
07 JB20 / GIC
1061 L=230
A
A
A
A
1
2
3
4
5
6
7
2
1
3
VCC
OUT
GND
D201 SLR-343MC <GREEN>
D203 SLR-343YC <YELLOW>
D202 SLR-343DC <ORANGE>
MANUAL AUTO SWITCH
INDOOR UNIT
INDICATOR PCB ASSEMBLY
K07BJ-0700HSD-D0

9
RED BLACK
WHITE
YELLOW
BROWN BLACK BLACK RED BROWN BLUE
ORANGE
YELLOW
WHITE
UL3271 AWG16 x 3
RED
WHITE
BLACK
C. M. COMPRESSOR
4-WAY VALVE COIL
F. M. DC FAN MOTOR
EXPANSION VALVEM
1 2 3 4 5 6
7
1 2
1 2 3 4
1 2 3
1 2 3 4 5 6
CN40
B6B-XARK-1-A
RED
CN800
B5 ( 7-2.3 ) B-XASK-1-A ( LF ) SN
WHITE
CN501
MR09Y3H : 1747052-3
WHITE
MR12Y3H : 2-1747052-3
BLUE
REACTOR
UL3271 AWG14 x 2
WHITE
RED
W10
B B
W11
W1 B
W2 B W4 B W3 B
CN61 1971032-4
WHITE
CN62 1971032-3
WHITE
EARTH
F201
20A - 250V
F202
5A - 250V
UL1015 AWG16
GREEN
UL1015 AWG20
RED
UL1015 AWG14
WHITE
UL1015 AWG14
BLACK
BLACK BLACK BLACK
BLACK BLACK
BLACK
THERMISTOR ( DISCHARGE TEMP. )
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
TERMINAL
SERIAL
N
L
TO INDOOR UNIT
POWER SOURCE
AC208 - 240V
50 / 60Hz
W103
UL1015 AWG20 BLACK
W100
UL1015 AWG20
WHITE
W102
UL1015 AWG20
BLACK
W101
UL1015 AWG14
BLACK
1
2
3 4
5
BW7
U
BW8
V
BW9
W
EMI FILTER
ZCAT2132-1130
CONTROLLER PCB ASSEMBLY
MR09Y3H : K07CJ-0925HUE-C1 MR12Y3H : K07CJ-0926HUE-C1
INVERTER ASSEMBLY MR09Y3H : EZ-009LHUE MR12Y3H : EZ-009MHUE
O U T D O O R P C B C I R C U I T D I A G R A M

10
D64
1SS355
+C69
100/
25V
-12V
C70
0.1
<F>
+
C67
0.1
<F>
+C65
470/
25V
+C68
100/
25V
5V
12V
R61
10k
<1/10W>
I C60
BA17805
D54
1SS355
C64
330/
25V
+
1
2
3I O
G
D62
D1FL20U
D61
D1FL20U
D60
D1FL20U
15V
R311
8.66k
1%
R309
5.76k
1%
R310
143
1%
C84
0.1
<F>
C87
330p
<B>
C86
470p
<B>
+
C85
10/
25V
15V
T60
RPZ-1F
10
9 8 7 6
5
4
3 2
1
C52
2200p
<E>
R57 0R0
D53
UF4007
I C50
TOP243PN
1
2 3
4 5
7
8
M
S S
C D
S
S
C51
1.0
<B>
+
DCV-F
JM100 JM103 JM102 JM101
SW90
5V
8
7 6
5 4
3
2
1
1 2
3 7
8
4
6
5
CS SK
D I NC
VCC
DO
TEST
GND
I C570
S-93C56B
R570
10k
R571
1.0k
<1/10W>
R585
1.0k
R90 - R93
10k <1/10W> x 4
I C560
S80842
5V
R560
100k 2
1
3
4
VDD
OUT
NC
GND
5V
15V
-12V
-
-
+
+
13 12 14
2
31
+
+
-
-
6 57
2
31
9
10 8
+
-
-12V
12V
C80
0.1
<F>
12V
I C80
uLN2003
12V 9
10
11
12 13 14 15
16
8 7
6 5
4
3
2
11C
COM
2C
3C
4C
5C
6C
7C
1B
2B
3B
4B
5B
6B
7B
E
76
5
+
-
1
2 3
4
5
6
7
8
9
10
11
12
13 14 15
16
17 18
19 20
21
22
23
24 25 26
27
VCC COM I N
I N
I N VFO CFOD CSC I N VCC VB
VS I N
VCC VB VS I N VCC VB
VS
NU
NV
NW
U V
W
P
2 1
3
2 1
3
2 1
3
21
3
21
3
+
--
+
7 61 11
10 13
1
2
3 4 5
6
7
14
13
12
11
10
9 8
14 13 12
11
10
9 8
7
6
5 4 3
2
1
1 5
7
3
2
6
4
GAT I N S I
D I NC
VCC
SO
GND
2 31
+
-
2
31
+
-
+
-
6 57
+
-
6 57
2 1
3
1
2
3
2
1
3
3
1
2
3
2 1
3
21
2
34
1
1 4
2
3
1 3
2
2
3
1
14 9
8
+
-
3
12
56
P63
11
25 26 40 36
37
38 39 12 45
46 50
52
51
53
54
55 14
15
18
20
64 63 62 61
1
19 48
13 24 49
2
13
23 22
4
6 5
7 8 9
10 44 43 42
41
57 33
32
31
30
29
28
27
47
34 21 60
58 59
3
35
2
16 17
P62 P46
P12 P50
P37 P36 P40 MD2
P11
P26 P02 P03 P04 P05 P06 P07
P10
C
P20 P21
P22
P23
P57
P56 P55 P54 P52 P53
P51
X0
X1
VCC
AVCC
P00
P01 P17 P13 P14 P15
P16
AVR
P24
P25
P30 P31 P32
P33 P34 P35 P60 P61
MD0 MD1
P44 P43
P42 P41 P45
RSTX
P27
AGND
GND
GND
5V
I C500
MB90462
C115
0.1
<F>
C116
0.1
<F>
I C104-4
BA2902F
I C104-1
BA2902F
R168
22k
<1/10W>
5V
3
1 2
+C128
0.1
<F>
R169
22k
15V
C112
0.1
<F>
C112
0.1
<F>
C136
0.01
<F>
C110
0.1
<F> R114
4.7k
<1/10W>
1%
R111
10k
+
+
I C102-3
BA2901F
-
+
5 42
I C102-1
BA2901F
C108
2.2/
50V
C107
0.1
<F>
R110
6.8k
C109
2.2/
50V
R221
1.0k
5V
5V
I C302-2
BA2903F
R83
4.7k
<1/10W>
R81
1.0k
<1/10W>
C300
470p
<B>
R327
22k
R339
10k
C66
100/
25V
D80
SML-310
RED
R80
2.2k
C73
0.1
<F>
C71
0.1
<F>
C72
0.1
<F>
L70
BL02Rn1
5V
R71 4.75k
<1/10W>
1%
R72 13k
<1/10W>
1%
R73
38.3k
1%
R75
10k
R77
10k
R76
10k
C75
0.1
<F>
12V
C41
0.1
<F>
C40
0.1
<F>
12V
I C40
TD62064APG
2 7
9
16
4
5
12 13
3
6
14
8
10
15
1
11
O1 O2
O3
O4
GND1 GND2 GND3
GND4
1
2 3 4 5
6
7
1
2 3 4 5
6
1
2 3 4
1
2 3
2 1
15V
DCV-F
CR30
RE1201
0.1/120
C801
0.01
<F >
5V
C800
4.7/
50V
+
R800
22k
<1/10W>
1%
R803
10k
<1/10W>
15V
R801
27k
<1/10W>
1%
Q801
DTA143EUA
R802
1.0k
<1/10W>
C802
0.01
<F>
Q800
DTC143EUA
K30
G5T-1A
12V
R24 0R0
15V
5V 5V
15V
REACTOR
W10 W11 D100
D15XB60
D101
D15XB60
15V
R401 - R408
0.2 <0.75W> 1% x 8
+
-
+
-
2 3
2 3
1 4
1 4
W6W5
R1
ZPR0RCH400
12V
15V
5V-2
5V
+
R122
4.7k
R123
4.7k
1% x 2
I C102-2
BA2901F
R121
100k
1% 5V
R124
4.7k
I C102-4
BA2901F
R171
4.7k
5V
I C101
TC74HC00AF
I C100
TA9316
+
15V
L100
ELC0607RA
R109
22
<1/4W>
R108
47
<1/4W>
C104
10/
25V
C105
0.1
<F>
L130 47uH
<ELC0607>
C140
0.1
<F>
C139
2.2/
50V
C119
0.1
<F>
C120
0.1
<F>
I C103-2
BA560RF
-12V
R120 4.7k 1%
R125 4.7k
R167
10k
C106
0.1
<F>
5V-2 D106
DAN217U
R113
1.0k
<1/10W>
1%
C141
1000p
<B>
R101
4.7k
5V-2
R112
10k
<1/10W>
1%
R115
22k
1%
R117
22k
1%
C111
4700P
<B>
R119
10k
<1/10W>
1%
C219
4700p
<B>
R219
1.0k
5V
I C200
FSBF10CH60BT
UV W
U
W7
W
W9
V
W8
15V
L300 47uH
<ELC0607>
C222 1.0 <F>
+
C220 100 / 35V
D203 HZ24BP
DCV
R211 - R217, R220 0.2 <1/4W> 1% x 8
C214
2200p
<B>
R210
820
1%
C213
0.022
<F>
D304, D303
DAN217U x 2
R8
150k
<1/3W>
1%
R308
120k
<1/3W>
1%
R307
120k
<1/3W>
1%
5V
R218
4.7k
<1/10W>
R204 - R209
390 <1/10W> x 6
C206 - C208, C215 - C217
2200p <B> x 6
C211, C210, C209
0.1 <F> x 3
W V U
POW-GND
R56
150k
<2W>
R52
470k
<1/8W>
1%
R53 - R55
510k
<1/8W>
1%
x 3
D51
UDZC8.2B
D50
1SS355
15V
R50 0R0
D52
1SS355
R51
47
<1/10W>
C50
47/
35V
5V
C570
0.1
<F>
R581 10k
R582 10k
R583 1.0k
R584 22k
C580
0.1
<F>
5V
D113
DAN217U
D112
DAN217U
C134
0.1
<F>
+
C133
2.2/
50V
C132
2.2/
50V
+
C131
0.1
<F>
C127
2.2/
50V
C126
2.2/
50V
+
R165
22k
C125
0.1
<F>
R164
22k
R134
10k
1%
R133
10k
1%
R135
10k
1%
I C105-2
BA2903F
R141
10k
1%
D108 RB751V
I C104-2
BA2902F
-
+
6 57
D109
RB751V
R140
10k
1%
R139
10k
1%
R138 10k 1%
R137 10k 1% R136 10k 1%
I C105-1
BA2903F
R161
1.5k
1%
C129
1000p
<B>
R159
4.7k
R160
68k
1%
C130
0.1
<F> R163
10k
1%
R162
68k
1%
D110, D111 DAN217U x 2
R143 39k 1%
R144
22k
1%
R145
22k
1%
I C104-3
BA2902F
R146
39k
1%
C124
2200p
<B>
R152
4.7k
1%
C123
2200p
<B>
R149
4.7k
1%
JM1
0R0
R500
10k
R502
1.0k
R503
10k
JM2
SERVICE
R40 - R43
1.5k <1/10W> x 4
I 1 I 2
I 3
I 4
COM1 COM2
NC1 NC2
5V
H Y I C 1
G K - 3 0 4 3 4 E 3
18
W4
14 10 54 3 2 1
65 4 3 21
7
8
W3
SA1
RA-302M
W2
VA1
470V
<TND07V>
VA2
470V
<TND07V>
C1
1.0
<LE>
4 3
21
L1
SC-10-E55J
C4
C5
C6
2.2
<LE>
5V
5V-2
R116
15k
1%
R118
10k
<1/10W>
1%
D107
RB751V
C117
1.0
<B>
5V
R147
120k
<1/3W>
1%
R148
120k
<1/3W>
1%
R2
150k
<1/3W>
1%
R3
150k
<1/3W>
1%
R150
120k
<1/3W>
1%
R151
120k
<1/3W>
1%
D115, D114
DAN217U x 2
C113
2700p
<B>
C142
0.1
<F>
R166 3.9k
R158 3.9k
Q102
DTC143EUA
R130
220
1%
R131
10
1%
R142
1.2k
1%
I C3-2
BA4560RF
R154
120k
1%
R132
2.2k
C20
0.1
<F>
C21
0.1
<F>
Q103
DTC143EUA
R22
1.0k
<1/10W>
R23
4.7k
<1/10W>
R21
10k
<1/10W> R20 1.0k
<1/10W>
R157
4.7k
C138
2.2/
50V
+
-12V
D105
DAN217U
C137
0.1
<F>
R155,
R156
100k
1% x 2
R127,
R128
10k
1% x 2
R153 120k 1% R129
100k
1% I C3-1
BA4560RF
I C103-1
BA4560RF
R126 100k
1%
R102
47k
Q100
RJP6006
R103
100
<1/2W>
D102
UF4007
DCV-F
DCV
DCV
F4
POW-GND
R107
3.83k
<1/10W>
1%
R4
150k
<1/3W>
1%
R105
120k
<1/3W>
1% R106
120k
<1/3W>
1%
C100, C101
660/
450V
x 2
+ +
+
+
R561
1.0k
C561
0.1
<F>
C503
0.1
<F>
C502
0.1
<F>
C501
10 / 25V
X500
4.00MHz
<FCR>
C500
0.1
<F>
W1
L
N
BLACK
WHITE
GREEN
EARTH
SERIAL
RED
POWER SOURCE AC230 - 208V 60Hz
COMP
COMP
ACV / 7P
I PM - CR / 9P
I PM - TRIP / 33P
Z / 55P
Y / 53P
X / 51P W / 54P
V / 52P
U / 50P
PFCSW / 35P PFCEN / 14P PFC - TRIP / 46P
FO - RE / 34P
CT / 3P
DCV / 8P
CP - POS / 47P
ZXH / 36P
S I / 48P
ZXL / 37P
PFCEN / 14P
PFC / 58P
V4 - AC / I C80 - 3
SO / I C80 - 2
EPV3 / 44P EPV4 / 43P EPV2 / 42P EPV1 / 45P
FAN I N / 17P
FAN PWM / 2P
TE / 5P TD / 4P
TA / 6P
PR / I C80 - 5
LED / 30P SO / 32P V4 - AC / 27P PR / 31P
DCV / 8P ACV / 7P TE / 5P TA / 6P TD / 4P
E2CS / 41P EPV2 / 42P EPV4 / 43P EPV3 / 44P LED / 30P PR / 31P SO / 32P V4 - AC / 27P
I PM - TRIP / 33P I PM - CR / 9P
CP - POS / 47P
FO - RE / 34P
TAUX3 / 21P TTXD / 60P
PFC / 58P
TEST / 59P
CT / 3P
PFCSW / 35P FAN PWM / 2P
FAN I N / 17P
TEST / 59P
MD2 / 63P MD1 / 64P
MD0 / 1P
E2CS / 41P E2SK / 40P E2D I / 39P
TTXD / 60P TRXD / 61P
TMODE / 18P
TAUX3 / 21P
/ TRES / 19P
PFC - TRIP / 46P EPV1 / 45P
E2D I / 39P
ZXL / 37P ZXH / 36P
E2SK / 40P
PFCEN / 14P
U / 50P
X / 51P V / 52P Y / 53P
W / 54P
Z / 55P
TMODE / 18P
MD1 / 64P MD2 / 63P
TRXD / 61P MD0 / 1P
/ TRES / 19P
S I / 48P
THERMISTOR
( OUTDOOR TEMP. )
CN62
1971032-3
CN61
1971032-4
THERMISTOR
( DISCHARGE TEMP. )
THERMISTOR
( HEAT EXCANGE TEMP. )
CN40
B06B-XARK-1-A
RED
ELECTRIC VALVE
DC FAN MOTOR
CN800
B5 ( 7 - 2.3 ) B-XASK-1-A
WHITE
4-WAY VALVE
CN501
MR09Y3H : 1747052-1
K1
DW12D1-O(M)
SO / I C80-2
V4-AC / I C80-3
PR / I C80-5
15P
16P
C205
0.1
<F>
C204
47/
35V
+
C202
47/
35V
C203
0.1
<F>
C201
0.1
<F>
C200
47/
35V
+
MR12Y3H : C4, C5 0.010 <KH> x 2
MR09Y3H : C4, C5 0.015 <YE> x 2
MR12Y3H : 2-1747052-3
OUTDOOR UNIT CONTROLLER PSB ASSEMBLY MR09Y3H : K07CJ-0925HUE-C1 MR12Y3H : K07CJ-0926HUE-C1
R305, R303, R301 R306, R304, R302
120k <1/3W> 1% x 6
R7, R6, R5
150k <1/3W> 1% x 3

11
E R R O R D E T E C T I O N
Error Operation
LED
Coil dry
LED
Timer LED
Serial signal error Off
2 flash off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
3 flash
4 flash
5 flash
Serial signal (reverse) error, at operation start up
Serial signal (reverse) error, during oeration
Serial signal (forward) error, at operation start up
Serial signal (forward) error, during operation
8 flash Wired remote control error
Indoor unit
thermistor error 2 flash
2 flash
Outdoor unit
thermistor error 3 flash
3 flash
2 flash
3 flash
4 flash
Indoor unit control error 4 flash
Indoor unit LED Wired
remote
control Error
Outdoor unit
control error 5 flash
2 flash
3 flash
5 flash
Indoor fan motor error 6 flash
CT abnormal
Outdoor unit fan drive system abnormal
2 flash
Refrigerant cycle error 7 flash
3 flash
Optional function error
Model information error
8 flash
0.1 sec on/off 0.1 sec on/off 0.1 sec on/off
6 flash
01
01
13
13
00
02
04
0C
06
0A
17
18
1A
11
2 flash
3 flash
Abnormal lock (upper fan motor)
Abnormal rotation (upper fan motor)
12
12
0F
24
1B
Current trip error
Outdoor air thermistor error
Indoor air thermistor error
Heat exchanger thermistor error
Heat exchanger middle thermistor error
Discharge pipe thermistor error
2 flash 20 Manual auto button welded
Compressor location detection error
Model information error
Discharge temperature abnormal
Cooling high pressure abnormal rise
off
off
2 flash
3 flash
19
19
Active filter abnormal (first time)
Active filter abnormal (second time)
4 flash 25 PFC circuit error

12
P A R T S
2
3
1
7
8
9
4
4
5
5
INDOOR UNIT
Front panel assy
4
Air Filter
1 Front Panel Assy
5
3
Clamper (Grille)
Intake Grille Assy
Panel Cover
-- Wire Cover
-- Wire Shield
7
Remote Control8
9 Remote Control Holder
Ref. Description Part number
67202083
67202067
67202003
67202066
67202215
67202007
67201533
67202076
67202077

13
11
13
16
14
15
17
12
11 Evaporator Total Assy
17 Room Thermistor Holder
12 Joint Pipe Assy
13 Filter Guide
15
14
Evaporator Holder R
16 Evaporator Holder L
Rear Bracket
Ref. Description Part number
INDOOR UNIT
Evaporator
67202082
67202084
67202072
67202071
67202070
67202069
67202018

14
41
28
32 31
33 34
27
39
29 30
40
23
21
35
42
37
36
24
38
INDOOR UNIT
Casing assy
27 Fan Guard
37 Fan Motor
38 Crossflow Fan Assy
39 Shaft Holder C
40 Louver U
41 Louver Z
30 Conduit Holder
42 Bracket Panel
34 Motor Step
23 Drain Hose Assy
24 Drain Cap
Ref. Description Part number
29 Cable Guide
28 R and L Louver B
35 Motor Cover (1)
21 Casing Assy
36 Motor Cover (2)
31 Louver Gear Holder
32 Louver Gear
33 Gear A
Ref. Description Part number
67202080
67202030
67202031
67202098
67202063
67202023
67202038
67202079
67202068
67202097
67202062
67202022
67202033
67201206
67202034
67200922
67202073
67202074
67202078

15
52
53
51
57
56
59
54
INDOOR UNIT
Control box
56 Display PCB Assy
54 Controller PCB Assy (09)
54 Controller PCB Assy (12)
59 Earth Terminal
58 Terminal
57 Control Box
-- Thermistor Assy
51 Box Shield Assy
52 Control Cover
53 Cover Shield Assy
Ref. Description Part number
58
67202065
67202075
67202090
67202094
67202095
67202045
67202091
67202048
67202061
67202019

16
P A R T S
1
1
2
9
12
3
15
14
10
13
11
5
6
7
8
4
OUTDOOR UNIT
MR09Y3H
MR12Y3H
4 Top Panel Assy
1 Front Panel Assy
5 Protective Net
3
6
Cabinet Left Assy
2 Emblem
Switch Cover
8 Valve Bracket
7 Cabinet Right Assy
9 Valve Bracket Cover
11 Motor Bracket
12 REM Plate Assy (12)
10 Propeller Fan
12 REM Plate Assy (09)
14 Reactor Assy
15 Separator Assy
-- Drain Pipe
13 Fan Motor (09)
13 Fan Motor (12)
Ref. Description Part number
67202179
67202192
67202180
67202182
67202103
67201371
67202183
67202105
67202106
67201413
67202107
67202108
67202109
67202184
67202111
67202112
67202181
67201709

17
OUTDOOR UNIT
MR09Y3H
21
24
22
25
29
27
26
30
28
24 Compressor Assy
26 3 way Valve Assy
29 Pulse Motor Valve Assy
-- Solenoid
22 Condenser Total Assy
30 Expansion Valve Coil
27 Muffler
28 4 way Valve
25 2 way Valve Assy
21 Base Assy
Ref. Description Part number
67202163
67202141
67202119
67202127
67202129
67202130
67202131
67202139
67201422
67202140

18
21
24
22
25
29
27
26
30
28
OUTDOOR UNIT
MR12Y3H
24 Compressor Assy
26 3 way Valve Assy
29 Pulse Motor Valve Assy
-- Solenoid
22 Condenser Total Assy
30 Expansion Valve Coil
27 Muffler
28 4 way Valve
25 2 way Valve Assy
21 Base Assy
Ref. Description Part number
67202164
67202145
67202125
67202127
67202129
67202133
67202134
67202139
67201422
67202144

19
33
34
32
31
36
37
38
39
OUTDOOR UNIT
MR09Y3H
MR12Y3H
-- Outdoor Thermistor
36 Terminal Bracket
37 Terminal 5P
38 Terminal Cover Assy
39 Bracket Conduit
34
Controller PCB Assy (09)
Controller PCB Assy (12)
-- Thermistor Assy
31 Sealed Panel
32
Inverter Case Assy
32
33 PCB Holder
Ref. Description Part number
67202151
67202186
67202187
67202154
67202155
67202157
67201450
67202158
67202160
67202161
67202162