Friedrich MR18Y3H User's Manual

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Friedrich MR18Y3H User's Manual | Manualzz
Service and Parts Manual
Models
Indoor Units
MW18Y3H
Outdoor Units
MR18Y3H
MW18Y3H
MR24Y3H
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.
FRIEDRICH AUTHORIZED PARTS DEPOTS
AAA Refrigeration Service
1322 24th Street, Suite B
Kenner, Louisiana 70062
504-464-7444
877-813-7444
The Gabbert Company
6868 Ardmore
Houston, Texas 77054
713-747-4110
800-458-4110
Alamo Service Company
1450 North Flores Street
San Antonio, Texas 78212
210-227-2450
800-328-2450
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
TECHNICAL SUPPORT
CONTACT INFORMATION
FRIEDRICH AIR CONDITIONING CO.
10001 Reunion Place, Ste. 500, San Antonio, TX 78216
(210) 546-0500 877-599-5665 x 261 FAX (210) 546-0630
Email: [email protected]
www.friedrich.com
Printed in the U.S.A.
1
SPECIF IC A TIO N S
ELECTRICAL DATA
Cool & heat inverter
TYPE
MW24Y3H
MW18Y3H
INDOOR UNIT
OUTDOOR UNIT
MR24Y3H
MR18Y3H
COOLING CAPACITY
18,000 BTU/h
5.28 kW
22,000 BTU/h
6.50 kW
HEATING CAPACITY
21,600 BTU/h
6.30 kW
27,600 BTU/h
8.10 kW
POWER SOURCE
208 V / 230 V
208 V / 230 V
60 Hz
60 Hz
Cooling
6.3 A
7.9 A
Heating
8.0 A
10.5 A
Cooling
1.38 kW
1.76 kW
Heating
1.80 kW
2.38 kW
FREQUENCY
RUNNING CURRENT
INPUT WATTS
E.E.R.
Cooling
13.0 BTU/kW 3.83 kW/kW 12.5 BTU/kW 3.69 kW/kW
COP
Heating
12.0 BTU/kW 3.50 kW/kW 11.6 BTU/kW 3.40 kW/kW
MOISTURE REMOVAL
5.9 Pt/h
AIR CIRCULATION HIGH
541 cfm
MAXIMUM CURRENT
6.3 Pt/h
2.8 L/hr
659 cfm
920 m3/hr
3.0 L/hr
1,120 m3/hr
15.5 A
14.5 A
FAN MOTOR
POWER SOURCE
INDOOR UNIT
OUTDOOR UNIT
230 V
230 V
High speed
1,260 r.p.m.
1,480 r.p.m.
Middle speed
1,020 r.p.m.
1,220 r.p.m.
Low speed
900 r.p.m.
1,020 r.p.m.
Quiet
770 r.p.m.
900 r.p.m.
Cool
620 r.p.m.
800 r.p.m.
Heat
620 r.p.m.
850 r.p.m.
NOISE LEVEL
INDOOR UNIT
Cool 43 dB / Heat 44 dB Cool 49 dB / Heat 49 dB
OUTDOOR UNIT
Cool 47 dB / Heat 50 dB Cool 54 dB / Heat 55 dB
COMPRESSOR AND REFRIGERANT
Hermetic type, 6 pole, DC inverter motor, Rotary
TYPE
DISCRIMINATION
N-TF30ND1A
34.2 lb
WEIGHT WITH OIL
PRECHARGED REFRIGERANT
2,100 g
R410A
REFRIGERANT TYPE
Pipe length 66 ft
FULL CHARGE
4 lb 10 oz
15.5 kg
20 m
4 lb 10 oz
2,100 g
164 ft 50 m
7 lb 4 oz
3,300 g
0.43 oz/ft
40 g/m
ADDITIONAL CHARGE
DIMENSIONS
INDOOR UNIT
HxWxD
12-5/8 x 39-1/4 x 9 inch
320 x 998 x 228 mm
OUTDOOR UNIT
HxWxD
32-3/4 x 35-3/8 x 13 inch
830 x 900 x 330 mm
WEIGHT
INDOOR UNIT
Shipping / Net
OUTDOOR UNIT Shipping / Net
2
40 lbs / 31 lbs
150 lbs / 135 lbs
18 kg / 14 kg
68 kg / 61 kg
D I M E N S I O NS
INDOOR UNIT
Unit : inch (mm)
12-5/8"
(320)
39-1/4" (998)
9" (228)
Drain pipe diameter
Inside : 5/8 inch (16 mm)
Outside : 1-3/32 inch (28 mm)
Liquid pipe diameter : 3/8 inch (9.52 mm)
Gas pipe diameter : 5/8 inch (15.88 mm)
3
OUTDOOR UNIT
Unit : inch (mm)
35-1/2" (900)
13" (330)
3"(77)
1/2"
(12)
3/8"
(9)
7/8"
(21)
17-3/8" (440)
32-3/4" (830)
1-1/4"
(31)
15-3/4" (400)
25-5/8" (650)
7-3/4" (196)
3-7/8"
(99)
14-5/8" (370)
Air Flow
5-3/4" (147)
6-3/4" (170)
4
R E FRIG ERANT
S Y S TEM DIAGRAM
3-Way valve
(Large)
Heat exchanger
( INDOOR )
3-Way valve
(Small)
Compressor
Muffler
Sub-accumulator
Pressure
switch
Strainer
Expansion
valve
4-Way valve
Heat exchanger
( OUTDOOR )
Strainer
Cooling flow
Heating flow
Refrigerant pipe diameter
Liquid : 3/8" (9.52 mm)
Gas : 5/8" (15.88 mm)
5
TERMINAL BOARD
THERMAL
FUSE 102
BLACK
6
5
4
3
2
1
5
4
3
2
1
6
5
4
3
2
1
5
4
3
2
1
7
6
5
4
3
2
1
5
4
3
2
1
2
1
2
1
6
5
4
3
2
1
6
5
4
3
2
1
1
2
RED
3
TM4 TM2
TM1
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
WHITE
CN201
7
6
5
INDICATOR
4
PCB ASSY
3
2
1
WIRED REMOTE CONTROL
( OPTION )
7
6
5
4
3
2
1
BLACK
BLACK
WHITE
RED
THERMISTOR ( ROOM TEMP. )
3 3
2 2
1 1
BLACK
BLACK
THERMISTOR ( PIPE TEMP. )
EX IN
( OPTION )
1
2
3
4
5
6
CN10
G
W5
CN8
EX OUT
( OPTION )
CONTROLLER PCB ASSY ( MAIN PCB )
GREEN
BLUE
PINK
YELLOW
ORANGE
RED
RED
BLUE
PINK
YELLOW
ORANGE
YELLOW
ORANGE
RED
BLUE
PINK
RED
BLUE
YELLOW
WHITE
BLACK
M
M
M
STEP MOTOR ( RIGHT / LEFT )
STEP MOTOR ( UP / DOWN )
STEP MOTOR ( DIFFUSER )
FM FAN MOTOR
BLACK
S
ORANGE
BROWN
RED
BLACK
YELLOW
WHITE
RED
TM102
TM101
W17
W16
TM301
BLUE
W307
CN301 W306
TM302
TRANSISTOR
PCB ASSY
(IPM)
CN303
R
T
-I N
+I N L2 L1
P
N
ACTPM
123456
123456
CN11
CHOKE COIL
WHITE
VIOLET
CM COMPRESSOR
W8
W13
W7
W12
CAPACITOR
PCB ASSY
12
12
123456789
123456789
CN400
1234
1234
CN200
CN40
123456789
123456789
12345
12345
12345
12345
CN42
OUTDOOR UNIT
WHITE
WHITE
WHITE
WHITE
WHITE
TEST
1 2 3 4 5
CN13 1
2
2
1
3
3
4
2
5
1
6
CN14 CN16
CN3
CN1
BROWN
RED
ORANGE
INDOOR UNIT
CN5
CN6
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
CN2
CN11
WHITE
BLACK
TM303
W
TM304
V
TM305
U
YELLOW
WHITE
MW18Y3H / MR18Y3H
2
W29 CN100
W28
POWER SUPPLY
PCB ASSY
1
CN1
12
12
THERMISTOR ( COMPRESSOR TEMP. )
HIGH PRESSURE SWITCH
BLACK
GREEN
WHITE
BLACK
WHITE
RED
RED
BROWN
YELLOW
WHITE
BLACK
BLACK
BLACK
WHITE
YELLOW
ORANGE
BLUE
BROWN
RED
BROWN
BROWN
4-WAY VALVE
FM
POWER SOURCE
G
FAN MOTOR
PMV EXPANSION VALVE
4WV
THERMISTOR ( DISCHARGE TEMP. )
BLACK
BLACK
THERMISTOR ( PIPE TEMP. )
BLUE
BLUE
THERMISTOR ( OUTDOOR TEMP. )
BROWN
BROWN
RED
RED
TERMINAL BOARD 1 2 3 L1L2
G
W3
W18
W17
W2
W1
3
2
1
2
1
6
5
4
3
2
1
7
6
5
4
3
2
1
3 3
CN65 2 2
1 1
3 3
CN62 2 2
1 1
3 3
CN64 2 2
1 1
2
CN90 2
1 1
3
CN63 2
1
CN500 2
1
6
5
CN700 4
3
2
1
7
6
5
CN800 4
3
2
CN110
1
12
W4
12
INVERTER PCB ASSY
( MAIN PCB )
BLACK
WHITE
TM600
GRAY
TM601
BLACK
W9
W21
CIRCUIT DIAGRAM
WHITE
BLACK
W20
W19
6
7
TERMINAL BOARD
THERMAL
FUSE 102
BLACK
6
5
4
3
2
1
5
4
3
2
1
6
5
4
3
2
1
5
4
3
2
1
7
6
5
4
3
2
1
5
4
3
2
1
2
1
2
1
6
5
4
3
2
1
6
5
4
3
2
1
1
2
RED
3
TM4 TM2
TM1
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
WHITE
CN201
7
6
5
INDICATOR
4
PCB ASSY
3
2
1
WIRED REMOTE CONTROL UNIT
( OPTION )
7
6
5
4
3
2
1
BLACK
BLACK
WHITE
RED
THERMISTOR ( ROOM TEMP. )
3 3
2 2
1 1
BLACK
BLACK
THERMISTOR ( PIPE TEMP. )
CN10
G
W5
CN8
EX IN
( OPTION )
1
2
3
4
5
6
CONTROLLER PCB ASSY ( MAIN PCB )
GREEN
BLUE
PINK
YELLOW
ORANGE
RED
RED
BLUE
PINK
YELLOW
ORANGE
YELLOW
ORANGE
RED
BLUE
PINK
RED
BLUE
YELLOW
WHITE
BLACK
M
M
M
STEP MOTOR ( RIGHT / LEFT )
STEP MOTOR ( UP / DOWN )
STEP MOTOR ( DIFFUSER )
FM FAN MOTOR
12345
12345
CN42
BLACK
S
ORANGE
BROWN
R
T
CM COMPRESSOR
POSISTOR
ORANGE
ORANGE
CHOKE COIL
+I N L2 L1
P
N
ACTPM
RED
WHITE
VIOLET
-I N
W8
W13
W7
W12
CAPACITOR
PCB ASSY
123456
123456
CN11
BLACK
YELLOW
BLUE
WHITE
RED
TM102
TM101
W17
W16
TM301
TM302
W307
123456789
123456789
CN301 W306
1234
1234
12
12
123456789
123456789
TRANSISTOR
PCB ASSY
(IPM)
CN303
12345
12345
CN400
CN200
CN40
OUTDOOR UNIT
WHITE
WHITE
WHITE
WHITE
WHITE
EX OUT
( OPTION )
CN3
CN1
BROWN
RED
ORANGE
TEST
1 2 3 4 5
CN13 1
2
2
1
3
3
4
2
5
1
6
CN14 CN16
CN5
CN6
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
CN2
CN11
WHITE
BLACK
TM303
W
TM304
V
TM305
U
YELLOW
WHITE
INDOOR UNIT
2
W29 CN100
W28
W25 POWER SUPPLY
PCB ASSY
W26
1
CN1
12
12
3
2
1
2
1
6
5
4
3
2
1
7
6
5
4
3
2
1
THERMISTOR ( COMPRESSOR TEMP. )
HIGH PRESSURE SWITCH
BLACK
GREEN
WHITE
BLACK
WHITE
RED
RED
BROWN
YELLOW
WHITE
BLACK
BLACK
BLACK
WHITE
YELLOW
ORANGE
BLUE
BROWN
RED
BROWN
BROWN
4-WAY VALVE
FM
POWER SOURCE
G
FAN MOTOR
PMV EXPANSION VALVE
4WV
THERMISTOR ( DISCHARGE TEMP. )
BLACK
BLACK
THERMISTOR ( PIPE TEMP. )
BLUE
BLUE
THERMISTOR ( OUTDOOR TEMP. )
BROWN
BROWN
RED
RED
TERMINAL BOARD 1 2 3 L1L2
G
W3
W18
W17
W2
W1
3
CN63 2
1
CN500 2
1
6
5
CN700 4
3
2
1
7
6
5
CN800 4
3
2
CN110
1
12
W4
12
3
2
1
3
2
1
3 3
CN64 2 2
1 1
2
CN90 2
1 1
3
CN62 2
1
INVERTER PCB ASSY
( MAIN PCB )
3
CN65 2
1
BLACK
WHITE
TM600
GRAY
TM601
BLACK
W9
W21
MW24Y3H / MR24Y3H
WHITE
BLACK
W20
W19
I N D O O R P CB
C IR C U IT D IA G RA M
CONTROL UNIT
MW18Y3H : EZ-0090HHSE
MW24Y3H : EZ-0090KHSE
TERMINAL BOARD
N
OUTDOOR UNIT
1
L
2
SERIAL
3
THERMAL
FUSE 102
EARTH
EARTH TERMINAL
W5
GREEN
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0
TM1 TM4
TM2
22007 22007 22007
RED
WHITE
BLACK
CONTROLLER PCB ASSEMBLY
MW18Y3H : K08CX-0903HSE-C1
MW24Y3H : K08CX-0904HSE-C1
WIRED REMOTE CONTROL UNIT
CN6-1
RED
CN6-2
WHITE
CN6-3
BLACK
CN201
JB20-07HG
CN11
B07B-PASK
CN2
SJH20-05WS
1
CN11-1
RED
1
2
CN11-2
WHITE
2
3
CN11-3
WHITE
3
2
4
CN11-4
WHITE
4
YELLOW
3
5
CN11-5
WHITE
5
CN2-4
PINK
4
6
CN11-6
WHITE
6
CN2-5
BLUE
5
7
CN11-7
WHITE
7
LOUVER ( RIGHT / LEFT )
M
CN2-1
RED
1
CN2-2
ORANGE
CN2-3
CN5
SJH20-06WS
LOUVER ( UP / DOWN )
1
M
CN5-1
RED
2
CN5-2
ORANGE
3
CN5-3
YELLOW
4
CN5-4
PINK
5
CN5-5
BLUE
6
CN14
B3B-XH-AM
1
2
EX IN
3
CN16
B2B-XH-AM
1
CN8
B06B-PASK
LOUVER ( DIFFUSER )
M
CN8-1
RED
1
CN8-2
ORANGE
2
CN8-3
YELLOW
3
CN8-4
PINK
4
CN8-5
BLUE
EX OUT
2
CN3
JC25-02HG
5
6
XARR-03VF XAP-03V-1
PIPE THERMISTOR
BLACK
1
CN3-1
RED
2
CN3-2
WHITE
BLACK
CN1
2P-SAN
FAN MOTOR
CN10
B06B-XARK
8
CN2-1
BLACK
2
CN2-2
BLACK
CN10-6
RED
CN10-4
BLACK
4
1
CN13-1
CN10-3
WHITE
3
2
CN13-2
CN10-2
YELLOW
2
3
CN13-3
CN10-1
BLUE
1
4
CN13-4
5
CN13-5
6
5
F. M.
1
CN13
B5P-SHF-1AA
TEST
ROOM THERMISTOR
9
C22
0.1
<F>
2
3
1
RED
WHITE
JP SWITCH
BLACK
L7
BLm18
<BD102>
12V
5
4
3
2
1
JP5
0R0
C12
0.1
<F>
3
12V
1
3
2
R17
10k
<1/10W>
D3
DAN217U
5V
R20
1.0k
<1/10W>
12V
R21
15.4k
<1/10W>
1%
R22
28k
<1/10W>
1%
C16
0.1
<F>
C15
0.1
<F>
2
3
2 3 +
6
5 +
C21
0.1
<F>
L1
SS1V-R060330
1
4
C20
C17
+ C18 +
0.1
330/
10/
<F>
25V
25V
12V
R14
1.0k
<1/10W>
O
R13
1.0k
<1/10W>
2
G
C14
0.01
<F>
C13
0.01
<F>
W5
C7
0.1
<F>
1
1
16
C23
0.1
<F>
R30
10k
<1/10W>
5V
A
3
1
D7
UD7G-TB
C 1
L 2
X 3
4
8
4
7
5
VCC
DO
NC
GND
I C1-73
I C1-43
2
Q6
RT1N241M
I C1-28
I C1-29
I C1-32
I C1-33
CS 1
SK 2
DI 3
NC 6
I C6
BR93L46RF-WE2
I C1-59
IC5
8
12V
5V
5V
C27 +
47/
35V
R38
15k
<1/10W>
R39
10k
<1/10W>
R34
12k
<1/10W>
6 D
5 F
4 S
1SS355
20V
C4
47pF/
1kV
SL D8
C29
0.22
<B>
3
1
C30
1000p
<R>
C35
0.01
<F>
T1
MY064
2
I C1-57
I C1-59
I C1-4
I C1-64
I C1-63
I C1-6
I C1-76
I C1-75
I C1-74
I C1-73
R113
47
<1/10W>
R57, R60, R58, R59
330 <1/10W> x 4
C73
10k
<1/10W>
R54
0R0
5V
R52
10k
<1/10W>
CS
1
3
I C1-38
I C1-43
I C1-42
I C1-41
I C1-40
C36
100/
25V
R44
1.0k
<1/10W>
3
4
12
P00 VDD 9
P01 EVDD 31
P02
P50 56
P03
P51 55
P04
P52 54
P53 53
P05
P54 52
P06
P10
P55 51
P56 50
P11
P57 49
P12
P60 33
P13
P14
P61 32
P62 29
P15
P63 28
P16
P64 48
P17
P65 47
P20
P21
P66 46
P67 45
P22
P70 72
P23
P24
P71 71
P25
P72 70
P73 69
P26
P27
P74 68
P75 67
P30
P31
P76 66
P32
P77 65
3
P33 P120
P40 P130 17
P41 P140 26
P42 P141 27
P43 P142 34
P44 P143 35
P45 P144 36
P46 P145 37
P47 AVREF 1
RST
IC 8
X1 REGC 10
GND 11
X2
XT1 AGND 2
XT2 EGND 30
15V
C1
0.1
<X7R>
C53
1000p
<R>
R110
10k
<1/10W>
23
24
25
80
79
78
77
76
75
74
73
7
6
5
4
64
63
62
61
60
59
58
57
14
12
13
15
16
39
38
18
19
20
21
22
44
43
42
41
40
I C1
uPD780148
5
R56
R63
4.7k
6.8k
<1/10W> <1/4W>
2
1
C 3
C38
0.1
<F>
A
12V
T1-12
5V
340V
C40 +
100/
25V
5V
5V
C39 +
100/
50V
1
I
4
14
R32
10k
<1/10W>
13
4
5
13
I C18-1 - I C18-4
uLN2003ADR x 4
I C1-63
I C1-64
R90 - R93
330 <1/10W> x 4
I C1-40
12
5V
6
1
10
7
2
16
5
13
15
TEST
6
12
2
4
3
1
K10
G5NB-1A
C52
1000p
<R>
5V
3
12V
L4
0R0
2
1
I C25
PS2561L-1
-V-F3 ( L )
4
14
11
I C1-38
5V
3
15
R104
10k
<1/10W>
R88
1.0k
<1/10W>
5
4
3
2
1
14
L3
0R0
12V
10
2
3
1
2
4
4
3
3
2
2
1
5V
C54
0.01
<B>
R114
390
<1/10W>
1
LOUVER ( RIGHT / LEFT )
CN2
SJH20-05WS
8
I C 16
9
12V
LOUVER ( UP / DOWN )
CN5
SJH20-06WS
1
2
3
4
5
LOUVER ( DIFFUSER )
CN8
B06B-PASK-1
E. I. B. OUT
E. I. B. I N
R109
10k
<1/10W>
CN16
B2B-XH-A
C51
0.01
<B>
1
5
BZ1
PKM13EPYH-4000-A0 12V
8
R101
CN14
330
B3B-XH-AM
<1/10W>
7
8
5
D14
DAN202K
I C 18
9
2
12V
3
9
1
2
3
4
5
6
1
2
3
4
5
6
1
12V
IC7
I C18-7
uLN2003ADR
R107
1.0k
<1/10W>
R108
10k
<1/10W>
5V
10
IC26
GK-LV3011E4
R106
6
7
1.0k
I C26-10
VA6
<1/2W>
470V
C101
<TNR>
0.022 <LE>
5V
R105 I C26-14
3
10k
2
<1/10W>
3
2
1
R103
Q11
390
Q10
1
RT1N241M
<1/10W>
RT1N241M
18
8
I C7-3 - I C7-6
uLN2003ADR x 4
CN13
B6P-SHF-1AA
I C7-2
uLN2003ADR
2
C57
0.01
<B>
10
I C16-4 - I C16-7
uLN2003ADR x 4
11
4
14
C50
0.01
<B>
I C1-47
I C1-46
I C1-6
TM2
I C7-7, I C16-1 - I C16-3
uLN2003ADR x 4
7
3
REMOTE CONTROL SWITCH - 2
REMOTE CONTROL SWITCH - 1
C56
0.1
<F>
15V
JM10
JM8
ROOM TEMPERARURE
CORRECTION - 2
JM7
AUTO RESTART / PULAG ON
ROOM TEMPERARURE
CORRECTION - 1
JM6
JM5
R95, R97 - R99
10K <1/10W> x 4
C28
0.01
<B>
R33
1.0k
<1/10W>
MANUAL AUTO SWITCH
5V
O 3
C42 +
330/
25V
G
2
I C20
78M15
I C18-6
uLN2003ADR
15
3
I C1-4
16
2
11
C59, C47 - C49
0.1 <F> x 4
6
R8
1.0k
<RS-2W>
JM9
0R0
R79, R81 - R84 5V
10k <1/10W> x 5
SW1
KSMC632PB
CN10
B5 ( 6-5 ) B-XARK-1-A
1
2
3
4
5
6
C41
0.01
<B>
7
6
5
4
3
2
1
1
C25
0.1
<F>
I C1-74
I C1-75
I C1-41
I C1-42
I C1-76
A
20V
CN11
B07B-PASK-1
R35
0R0
I C1-3
CS
I C1-47
I C1-46
I C1-33
I C1-32
I C1-29
I C1-28
R76
47k
<1/10W>
1%
R48
R53
200k
5.6k
<1/10W>
<1/10W>
1%
1
+
REF
C37 A 2
I C19
1000/
TL431I LPRE3
25V
I C18-5
uLN2003ADR
R64
1.8k
<1/10W>
R67
150
<1/10W>
D12 D2FL20U
D10 D1FL20U
R55
+
820
A
5V <1/4W> A
1%
15V
R47
I C14
10k
PS2561L-1
<1/10W>
-V-F3 ( L )
3
2
1
8
9
10
X1
8.38MHz
<CSTLS>
R37 10k <1/10W>
R40 10k <1/10W>
D4
D1FL20U
3
4
I C15
PS2561L-1
-V-F3 ( L )
6
5
4
3
2
1
I C10 15V
R51
PS2561L-1
1.0k
-V-F3 ( L )
<1/4W>
1
4
1%
2
R43
3
330
<1/10W>
5V
I C1-3
5V
+
D9
D1FL20U
C33
R42
47/
270
<1/10W> 35V
2
Q7
R46
47 2SA1037AK
<Q> 1
<1/2W>
C32
R45
0.01
100k
<RS-2W> <ECQE>
I C8
TOP244YN
C26
0.1
<F>
C6 +
100/
420V
R31
I C7-1
390
<1/4W> uLN2003ADR
1%
I C5-1
BA10393F
7
I C5-2
BA10393F
C5
0.1
<F>
2
D6
4
GSIB460L
TH1
5D2-10-LCS
INDOOR UNIT
CONTROLLER PCB ASSEMBLY
MW18Y3H : K08CX-0903HSE-C1
MW24Y3H : K08CX-0904HSE-C1
R4
10k
<1/10W>
5V
1 I
I C2
BA05T
R6
49.9k
<1/10W>
1%
7V
C8
0.47
<LE>-M
I C26-10
D2
D1F60
C3
0.1
<F>
R2
10k
<1/10W>
1%
JM3
L6
BLm18
<BD102>
5V
CN6
B05B-XASK-1-A
2
1
CN3
02 / 03 JC25 / XARR
1007 L=60
TO WIRED REMOTE CONTROL UNIT
THERMISTOR ( PIPE TEMP. )
+
FH1
FH2
TP00351-31 x 2
VA1
470V
<TNR>
C2
0.1
1 <F>
CN1
150-103-86174
C19
330/
25V
TM1
T1-12
THERMISTOR ( ROOM TEMP. )
POWER SOURCE
TM4
K1-4
F1
FSL 3.15A
250V I C26-14
( EM )
340V
R49 5.6k <1/10W>
INDOOR UNIT
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0
5V
5V
D201
SLR-325MC
1
GREEN
2
3
D202
SLR-325DC
4
ORANGE
GREEN
D203
SLR-325MC
C201
0.1
<F>
5V
I C201
GP1UM261RKVF
VCC 2
OUT 1
GND 3
10
CN201
07 JB20 / PAP
1061 L=230
R201
47
<1/4W>
+ C202
47/
10V
5
6
7
11
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( DISCHARGE TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( COMP. TEMP. )
PRESSURE SWITCH
4-WAY VALVE
EXPANSION VALVE
DC FAN MOTOR
M
F. M.
1
2
BLACK
UL1015
AWG20
BLACK
BLACK
BROWN
BROWN
BLUE
BLUE
BROWN
BROWN
RED
RED
1
CN500
1747052-1
( G I C7.92-2P )
YELLOW
RED
CN65
1-1971032-3
( G I C2.0-3P )
CN63
3-1971032-3
( G I C2.0-3P )
1
2
3
WHITE
CN62
1971032-3
( G I C2.0-3P )
BLUE
CN64
2-1971032-3
( G I C2.0-3P )
RED
CN90
1-1871843-2
( G I C2.5-2P )
WHITE
CN1
1871843-2
( G I C2.5-2P )
1
1
W29
B
W28
B
ORANGE
INVERTER PCB ASSEMBLY ( MAIN PCB )
MR18Y3H : K07BS-090EHUE-C1
MR24Y3H : K07BS-090FHUE-C1
MR24Y3H
ONLY
ZPR0YCE400A300
UL3271
AWG20
ORANGE
W26
B
UL3271
AWG20
W25
B
BROWN
UL1015
AWG14
ORANGE
UL1015
AWG14
L1
WHITE
UL3271
AWG14
L2
+
WHITE
UL3271
AWG14
CHOKE COIL
L=0.32mH 30A
6
5
4
4
3
3
2
2
WHITE
UL1015
AWG20
RED
VDC I N
2
RED
1
W8
B
W7
B
MR24Y3H
ONLY
BLACK
UL1015
AWG20
ACTPM CONTROL
EMI FILTER
ZCAT1518-0730
2T
W13
B
W12
B
CN200
1-1747052-2
( G I C7.92-2P )
1
VIOLET
UL1015
AWG14
WHITE
UL1015
AWG14
BLACK
UL1015
AWG14
RED
UL1015
AWG14
BLUE
UL1015
AWG14
YELLOW
UL1015
AWG14
CAPACITOR PCB ASSEMBLY
MR18Y3H : K05FB-0902HUE-P0
MR24Y3H : K05FB-0903HUE-P0
CN400
1-1971032-4
( G I C2.0-4P )
EMI FILTER
ZCAT1518-0730
1T
1
N1
P
EMI FILTER
ZCAT1518-0730
1T
EMI FILTER
ZCAT2132-1130
2T
I C404
PM601BSG (ACTPM)
EMI FILTER
ZCAT2132-1130
1T
P. T. C. THERMISTOR (POSISTOR )
WHITE
TM601 TM600
2
2
CN100
POWER RELAY CONTROL
CN700
B6B-XARK-1-A
RED
W21
B
YELLOW
CN800
B5 ( 7-2.3 ) B-XASK-1-A
WHITE
W9
B
CT I N / OUT
VAC I N1
CN110
3-1747052-4
( G I C7.92-2P )
2
F101
FCT 250 5 ( EM )
( 250V 5A )
F100
FCT 250 5 ( EM )
( 250V 5A )
W19 W20
B
B
W3
B
W18
B
1
2
3
1
2
3
1
2
3
1
2
1
2
1
2
3
4
5
6
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
1
2
3
4
5
6
7
RED
BLACK
WHITE
YELLOW
BROWN
RED
SERIAL
W4
B
EARTH
GREEN
UL3271
AWG16
W17
B
BLACK
UL3271 AWG20
I NDOOR UNIT
W2
B
WHITE
UL3271 AWG20
EMI FILTER
ZCAT1518-0730
1T
BLACK
UL3271 AWG14
RED
GRAY
UL3271 AWG20
WHITE
WHITE
UL1430 AWG24
UL1015
AWG20
BLACK
UL1430 AWG24
3
W1
B
YELLOW
UL1007 AWG24
BLACK
RED
ORANGE
UL1015
AWG14
9
1
W307
B
W306
B
2
3
D100
D25XB60
-
+
1
4
3
4
5
WHITE
6
5
4
3
WHITE
CN40
1971032-9
( G I C2.0-9P )
7
7
8
2
I. P. M. CONTROL
8
6
CN301
1971032-9
( G I C2.0-9P )
I. P. M. CONTROL
2
TM302
TM301
W17
B
W16
B
TM102
TM101
WHITE
UL3271
AWG20
WHITE
UL1007 AWG24
UL1007 AWG24
BLACK
WHITE
UL1007 AWG24
L
WHITE
UL1007 AWG24
WHITE
WHITE
UL1007 AWG24
UL1015
AWG14
WHITE
UL1007 AWG24
AWG14
1
9
TM303
TM304
TM305
5
1
3
3
2
4
1
5
REVERSE CURRENT
WHITE
CN42
1971032-5
( G I C2.0-5P )
4
2
WHITE
CN303
1971032-5
( G I C2.0-5P )
REVERSE CURRENT
WHITE
UL1007 AWG24
N
WHITE
UL1007 AWG24
POWER SOURCE
BROWN
UL1007 AWG24
UL1007 AWG24
UL1007 AWG24
TRANSISTOR PCB ASSEMBLY
( I. P. M. )
MR18Y3H : K07BT-0905HUE-TR0
MR24Y3H : K07BT-0906HUE-TR0
WHITE
UL1007 AWG24
EMI FILTER
ZCAT2132-1130
1T
UL1015
WHITE
UL1007 AWG24
INVERTER ASSEMBLY
WHITE
UL1007 AWG24
MR18Y3H : EZ-009SHUE
MR24Y3H : EZ-009THUE
WHITE
POWER SUPPLY PCB ASSEMBLY
MR18Y3H : K09DH-0904HUE-FL0
MR24Y3H : K09DH-0900HUE-FL0
WHITE
UL1007 AWG24
OU TD O OR PCB C I RCU I T D I AGR AM
WHITE
UL1007 AWG24
UL1007 AWG24
UL3271
AWG14
x3
BLACK
WHITE
RED
EMI FILTER
ZCAT2132-1130
1T
COMPRESSOR
C. M.
12
RED
W4
WHITE
12V
THERMISTPR ( COMPRESSOR TEMP. )
BLUE
CN64
G I C2.0-3P
THERMISTPR ( OUTDOOR TEMP. )
WHITE
CN62
1971032-3
( G I C2.0-3P )
THERMISTPR ( DISCHARGE TEMP. )
YELLOW
CN63
3-1971032-3
( G I C2.0-3P )
THERMISTPR ( PIPE TEMP. )
RED
CN65
1-1971032-3
( G I C2.0-3P )
3
1
2
3
2
1
3
2
1
3
2
1
2
1
RED
5
4
3
2
1
6
RED
CN90
1-1871843-2
( G I C2.5-2P )
PRESSUER SWITCH
2
1
JM503
JM504
3
+
3
JM502
JM501
12V
3
1
4
2
K500
G5NB-1A
DC12V
D600
DAN217U
R600
C600 R602
1.0k
220/ 4.75k
<1/10W>
25V <1/10W>
1%
1%
HYIC20
GK-30434E2
10
18
14
5V 55 44
8
6
7
2
1
5V
R91
2.2k
<1/10W>
5V
C60
0.1
<F>
L60
5V
BL02Rn1
L90
BL02Rn1
12V
2
7
9
16
4
5
12
13
R64
10k
<1/10W>
R69
10k
<1/10W>
R65 38.3k
<1/10W>
1%
R68
13k
<1/10W>
R60
10k
<1/10W>
R61 13k
<1/10W>
C91
0.01
<F>
2 1
R703
R702
R700
R701
3 2 1
3
R22
1.0k
<1/10W>
C20
0.022
<F>
C65
0.1
<F>
C63
0.1
<F>
C61
0.1
<F>
C62
0.1
<F>
2
1
P-AN-CT
RED
1
Q200
1C
2C
3C
4C
5C
6C
7C
COM
1
2
3
4
5
6
7
8
P-AN-AC or P_AN_CP
P-AN-TA
P-AN-TD
P-AN-TE
P-AN-DC
P-EPV-C
P-EPV-D
P-EPV-B
P-E2P-CS
P-TTR I P-FO
P-SO
P-PR
P-LED
P-V4-DC
P-V4-AC
P-POS
P-AN-TD
P-AN-TA
P-AN-TE
P-AN-AC or P_AN_CP
P-SO
P-PR
P-LED
P-V4-DC
P-V4-AC
P-DBG-4
R52
10k
<1/10W>
P-AN-CT
P-PFCPWM or P_NC_3
TTXD
5V
TAUX3
C49
0R0
3
17
JM100
1
P50
P26
47
P30
P25
46
C
P51
X1
X1
4.00MHz
2 <FCR>
23
X0
P53
6
4
22
P52
P54
P55
P56
P57
P23
P22
P21
P20
5
7
8
9
10
44
43
42
41
57
GND
GND
AGND
P27
RSTX
P45
P41
P42
P43
P44
MD1
MD0
P61
P60
P35
49
24
13
48
19
1
61
62
63
64
20
18
15
14
55
54
53
P10
P34
P33
33
P07
P06
31
32
52
51
50
P32
P31
45
12
AVR
P24
39
38
37
P16
P15
P14
36
26
40
P13
P17
25
11
56
P01
P00
AVCC
VCC
P05
P04
P03
8
7
5
30
29
28
P02
P11
34
27
MD2
P40
P36
21
60
58
P37
P12
59
3
P46
P62
D
S
S
D5
UF4005
I C3
TOP243PN
1 M
2 S
3 S
4 C
R19
0R0
R18
C8
150k 2200p
<2W> <E>
I C1
MB90467PFM
P63
35
2
C1
0.1
<F>
+
C7
0.1
<F>
R15 - R17
510k
<1/8W> 1%
x3
R14
560k
<1/8W>
1%
16
5V
R900
10k
<1/10W>
C6
47/
35V
R13
47
<1/10W>
D4
1SS355
R12
0R0
D3
UDZS8.2B
D2
1SS355
15V
P-FANPWM
P-DBG-4
P-FAN-I N
+C211
33/
450V
P-PFC-C or P_SW_PRS
P-POWER
P-S I
W5
F201
T 3.15A 250V ( EM )
P-PFC-C or P_SW_PRS
P-EPV-D
P-EPV-C
P-EPV-A
P-EPV-B
P-FAN-I N
P-FANPWM
I C2
uLN2003ADR
16
15
14
13
12
11
10
9
1B
2B
3B
4B
5B
6B
7B
E
<RED>
R3
2.2k
<1/10W>
12V
C21
0.022
<F>
D1
SLR-332VRTE7
12V
<BQ>
2 2SC2412K
3
C5
0.1
<F>
JM200
R23
1.0k
<1/10W>
R21
R24
1.0k
27k
<1/10W> <1/10W>
R20
10k
<1/10W>
5V
C601
0.1
<F>
DC VOLT I N
1.5k <1/10W> x 4
C700
0.1
<F>
12V
R62
10k
<1/10W>
3
6
11
14
1
8
10
15
C801
0.01
<B>
R63 4.75k
<1/10W>
1%
R90
1.0k
<1/10W>
I1
O1
O2
I2
I3
O3
I4
O4
GND1COM1
GND2COM2
GND3 NC1
GND4 NC2
I C700
TD62064
R803
1.0k
<1/10W>
C90
0.1
<F>
D800
DAN217U
D801
15V
15V
Q801
HZ24BP L800
DTA143EUA
1
C802
0.1
R800
Q800
2
<F>
27k
DTC143EUA
3
<1/10W> 3
2
5V
5V
C800
R801 +
R802
4.7/
22k
2
1
10k
50V
1
<1/10W>
<1/10W>
CR500
RE1202
0.2/120
CN700
B06B-XARK-1-A
7
6
5
4
1
2
1
2
1
B
CT600
CT-1B
F110
T 3.15A 250V ( EM )
SERIAL
1 N
2 L
5
3
ELECTRIC EXPANSION VALVE
WHITE
CN801
B5 ( 7-2.3 ) B-XASK-1-A
DC FAN MOTOR
POWER RELAY CONTROL
CN1
1871843-2
( G I C2.5-2P )
WHITE
CN500
1747052-1
( G I C7.92-2P )
SELIAL
AC VOLT I N 1
YELLOW
CN110
3-1747052-4
G I C7.92-2P
86028
TM600
86028
TM601
R601
1.0k
R603
<1/10W> 22k
1% <1/10W>
CN200
1-1747052-2
G I C7.92-2P
T1
RPZ-1F
10
9
8
7
6
U
5V
G
2
2
+
O 3
I C5
7818
TEST
R10
100k
<1/10W>
C12
0.1
<F>
I C10
BU4842F
R645
10k
<1/10W>
5V
P-S I
TCK
TRXD
TMODE
P-E2P-CS
P-E2P-SK
P-E2P-D I
P-U
P-V
P-W
P-X
P-Y
P-Z
P-POS
TAUX
TTXD
TRXD
TMODE
TAUX3
TCK
TRES
P-PFCEN or P_AFS
P-PFCEN or P_AFS
P-U
P-X
P-V
P-Y
P-W
P-Z
P-EPV-A
P-E2P-D I
P-POWER
R651
10k
<1/10W>
5V
P-AN-DC
P-TTR I P-FO
+ C17
100/
25V
P-E2P-SK
TAUX
A
5V
MANUAL AUTO
SWITCH
2 VDD
NC 3
1 OUT GND 4
JM101
JM103
5V
SW2
R903, R902, R901
10k <1/10W> x 3
JM102
18V
C10
10/50V
C22 C15 I C4 C16
0.1 100/ 7805 0.1
<F> 25V
<F>
SERVICE JUMPER
R7
10k
<1/10W>
JM2
R2
10k
<1/10W>
C11
R11
0.1
1.0k
<F> <1/10W>
R6
1.0k
<1/10W>
5V
Z
W
Y
V
X
5V
JM1
5V
R4
10k
<1/10W>
-8V
1 I
D12
1SS355
+ C13
12V
D13
330/25V
1SS355
+
R26 10k
<1/10W> 1 I
O 3
+ G
C18 C14
D10 +
100/ 470/
1SS355
25V 25V
D9
D8
C19
0.1 <F>
D7 D1FL20U x 3 15V
C2, C3
5V
0.1 <F> x 2
C4
+
10/
25V
1
2
3
4
5
D9
D1FL20U
C9
220/
50V
+
R31
10k
<1/10W>
C74
470p
<B>
C670
0.1
<F>
C42
1000p
<B>
3
D670
DAN217U
1
5V
R955
22k
<1/10W>
C30
0.1
<F>
A
R953
R956
1.0k
10k
<1/10W> <1/10W>
2
1
3
5V
270
<1/10W>
1% x 2
3
1
C400
0.01
<F>
-8V
R952, R951, R950
10k <1/10W> x 3
A
A
18V
C43
0.1
<F>
15V
4
3
2
1
9
8
7
6
5
4
3
2
1
REVERSE CURRENT
D11
HZ24BP
18V
WHITE
CN42
1971032-5
( G I C2.0-5P )
A R403, R402
2
Q400
DTA143EUA
Q401
DTC143EUA
R401
22k
<1/10W>
C401
1000p
<B>
VCC 8
DO 4
TEST 6
GND 5
R30
10k
<1/10W>
1 CS
2 SK
3 DI
7 NC
R954
1.0k
<1/10W>
5V
5V
R84
1.0k
<1/10W>
2
I C30
S-93C56BD0I 5V
R85
4.7k
<1/10W>
R674
1.0k
<1/10W>
R41
1.0k
<1/10W>
R40
10k
<1/10W>
5V
OUTDOOR UNIT
INVERTER PCB ASSEMBLY ( MAIN PCB )
MR18Y3H : K07BS-090EHUE-C1
MR24Y3H : K07BS-090FHUE-C1
I P M CONTROL
RED
ACTPM CONTROL
CN400
G I C2.0-4P
WN
VN
UN
WP
VP
UP
-8V
+15V
WHITE
CN40
1971032-9
( G I C2.0-9P )
13
WN
VN
UN
WP
VP
UP
-8V
+15V
WHITE
1
2
3
4
5
6
7
15V
N
C308
+ 47/
35V
-8V
I P M-G
C301
9 0.1
8 <F>
CN301
1971032-9
POWER-G
P
C300
0.1
<F>
1
-
+
2
5
4
3
2
1
CN303
1971032-5
WHITE
3
1
2
R80
5.6k
C73 <1/10W>
1%
330p
<B>
R108
4.3k
<1/10W>
1%
2
3
-
1
I P M-GND
R107
39k
<1/10W>
1%
R81
33k
<1/10W>
1%
R69
120k
<1/3W>
1%
R70
120k
<1/3W>
1%
R71
150k
<1/3W>
1%
L70
D100
LL25XB60
D70, D71
DAN217Ux 2
POWER-G
C72
470p
<B>
C71
C70 0.1
10/ <F>
25V
+
15V
3
I P M-GND
I C70-1
BA2903F-E2
BLACK
W307
B
BLUE
TM302
YELLOW
TM301
WHITE
W306
B
BROWN
TM102
4
R77
143
<1/10W>
1%
R76
5.76k
<1/10W>
1%
W17
B
BLACK
-
+
C322
C323
0.22
<F>
x3
5
6
470
<1/10W>
x6
+
+
+
R55
0R0
C326
C325
0.1 <F>
x3
C324
POWER-GND
6
4
3
1
12
10
9
7
18
16
20
15
13
38
VP1
VUFB
VUFS
VP
VP1
VVFB
VVFS
WP
VP1
VNO
VWFB
VWFS
NC
UP
R61
R64
R67
I PM-G
C330
100p
<B>
120k
<1/3W>
1% x 6
R62
R65
R68
C327
0.022
<F>
L300
BL02Rn1
D307
ZP1027-TP
150k
<1/3W>
1% x 3
R60
R63
R66
R312
820
<1/10W>
R304
0R0
R284, R285, R302
0.04 <5W> x 3
TM303
W
TM304
V
TM305
U
BLACK
WHITE
RED
OUTDOOR UNIT
TRANSISTOR PCB ASSEMBLY ( I P M PCB )
MR18Y3H : K07BT-0905HUE-TR0
MR24Y3H : K07BT-0906HUE-TR0
15V
I C301
MR18Y3H : PS21765
MR24Y3H : PS21767
VN1 28
VNC 27
C I N 26
CFO 25
FO 24
UN 21
VN 22
WN 23
P 37
U 36
V 35
W 34
NU 33
NV 32
NW 31
+
C332 C302
0.1 100/
<F> 35V
I PM-G
I P M-GND
C50
0R0
C311 - C316
1000p <B> x 6
C303
C304
C305
47/
35V
x3
I PM-G
D301 - D303
C321
US1J x 3
R316
R317
R318
R319
R320
R321
R360
68
<1/4W>
7
I C70-2
BA2903F-E2
C161
0.1
<X7R>
RED
3
1
W16
B
+
ORANGE
2
TM101
14
AC VOLT OUT
EARTH
N
TO I NDOOR UNIT
L
N
POWER SOURCE
L
WHITE
W20
B
BLACK
W19
B
GREEN
W3
B
WHITE
W18
B
BLACK
W17
B
F100
5.00A
250V
WHITE
W2
B
BLACK
W1
B
C100
3.3
<LE>
F101
5.00A
250V
SA100
RA-302M
VA100, VA101
470V
<TNR>
x2
C101, C102
0.033
<YE>
x2
2
3
L100
RCH3818-022PF07
1
4
C104, C105
0.022
<YE>
x2
OUTDOOR UNIT
MR18Y3H
POWER SUPPLY PCB ASSEMBLY
K09DH-0904HUE-FL0
C103
3.3
<LE>
W21
B
GRAY
BLACK
CT OUT
W9
B
2
3
L101
RCH3818-022PF07
1
4
C106
3.3
<LE>
1
4
K101
G4A-1A
or
DW12D1
2
3
12V
R101
ZPR0RCH400
L102
N200500K1D7C-02N
PTC THERMISTOR
C108
3.3
<LE>
2
1
12V
W28
B
CN100
172520-2
BROWN
W29
B
ORANGE
POWER RELAY CONTROL
15
AC VOLT OUT
EARTH
N
TO I NDOOR UNIT
L
N
POWER SOURCE
L
WHITE
W20
B
BLACK
W19
B
GREEN
W3
B
WHITE
W18
B
BLACK
W17
B
F100
5.00A
250V
WHITE
W2
B
BLACK
W1
B
C100
3.3
<LE>
F101
5.00A
250V
SA100
RA-302M
VA100, VA101
470V
<TNR>
x2
C101, C102
0.033
<YE>
x2
2
L100
RCH3818-022PF07
1
4
3
C104, C105
0.022
<YE>
x2
OUTDOOR UNIT
MR24Y3H
POWER SUPPLY PCB ASSEMBLY
K09DH-0900HUE-FL0
C103
3.3
<LE>
W21
B
GRAY
BLACK
CT OUT
W9
B
2
3
L101
RCH3818-022PF07
1
4
C106
3.3
<LE>
1
4
K101
G4A-1A
or
DW12D1
2
3
12V
L102
N200500K1D7C-02N
C108
3.3
<LE>
2
1
12V
W25
B
POWER RELAY CONTROL
PTC OUT
CN100
172520-2
BROWN
W29
B
ORANGE
W28
B
ORANGE
W26
B
ORANGE
OUTDOOR UNIT
MR18Y3H
CAPACITOR PCB ASSEMBLY
K05FB-0902HUE-P0
W12
B
P
WHITE
W7
B
YELLOW
C201
660/
450V
C203
660/
450V
+
+
W13
B
N
W8
B
BLUE
VIOLET
POWER_G
MR24Y3H
CAPACITOR PCB ASSEMBLY
K05FB-0903HUE-P0
W12
B
P
WHITE
C200 - C202
660/
450V
x3
+
+
+
W13
B
N
W8
B
BLUE
VIOLET
POWER_G
16
W7
B
YELLOW
ERR OR DE T EC T ION
Error
Serial signal error
Indoor unit thermistor error
Outdoor unit thermistor error
Indoor unit control error
Outdoor unit control error
Indoor fan motor error
Refrigerant cycle error
Optional function error
Model information error
Display
Error
Operation
Timer LED
LED
Normal
2 flash
Serial signal (reverse) error, at operation start up
3 flash
Serial signal (reverse) error, during oeration
4 flash
Serial signal (forward) error, at operation start up
5 flash
Serial signal (forward) error, during operation
8 flash
Wired remote controller error
2 flash
Indoor temperature thermistor open / short
3 flash
Heat exchanger middle thermistor open / short
2 flash
Discharge thermistor open / short
3 flash
Heat exchanger thermistor open
4 flash
Outdoor temperature thermistor open / short
8 flash
Compressor temperature thermistor open / short
2 flash
Forced automatic SW welded
3 flash
Main relay welded
4 flash
Power interruption error
7 flash
VDD permanent stop protection
8 flash
reverse VDD permanent stop protection
2 flash
Current trip error
3 flash
CT abnormal
5 flash
Compressor location detection error
6 flash
Outdoor unit fan drive system abnormal
2 flash
Abnormal lock
3 flash
Abnormal rotation
2 flash
Discharge Temperature abnormal
3 flash
Cooling high pressure abnormal rise
5 flash
Pressure switch trouble
2 flash
Active filter voltage trouble (second time)
3 flash
Active filter voltage trouble (first time)
4 flash
PFC circuit error
2 flash
3 flash
4 flash
5 flash
6 flash
7 flash
8 flash
0.1 sec on/off 0.1 sec on/off Model information error
17
18
PARTS
INDOOR UNIT
5
4
5
2
4
3
Ref Descriprion
Part number
1
Front Panel Total Assy
67201282
2
Front Panel
67201791
3
Intake Grille Assy
67201501
4
Air Filter
67201502
5
Clamper Grille
67200936
--
Remote
67201294
--
Remote Holder
67201533
1
19
16
INDOOR
UNIT
17
18
19
23
20
25
26
21
27
24
22
20
11
Ref
Descriprion
Part number
Ref
11
Casing Assy
67201281
21
Louver U
67201565
16
Drain Cap
67201509
22
Louver Z
67201566
17
Drain Hose Assy
67201560
23
Diffuser U
67201562
18
Bush B
67201561
24
Diffuser Z
67201563
19
Spacer B
67201507
25
Spring C
67201564
20
R and L Louver
67201506
26
Piller A
67201277
27
Joint B
67201274
--
Fan Guard
67201271
--
Fan Guard Holder Right
67201289
--
Fan Guard Holder Left
67201290
Descriprion
Part number
INDOOR UNIT
33
37
35
36
34
32
39
38
Ref Descriprion
31
Part number
31
Evaporator Total Assy
67201283
32
Water Seal
67201552
33
Evaporater Holder R
67201515
34
Evaporater Holder L
67201516
35
Rear Bracket
67201553
36
Filter Guide
67201554
37
Filter Guard
67201555
38
Crossflow Fan Assy
67201504
39
Bearing C Assy
67200922
40
Room Therimistor Holder
67201280
40
21
42
41
INDOOR UNIT
43
50
45
46
51
44
47
Ref Descriprion
Part number
41
Controller PCB (18)
67201299
41
Controller PCB (24)
67201380
42
Control Box
67201567
43
Control Cover
67201568
44
Motor Case
67201569
45
Terminal Earth
67201570
46
DC Brushless Motor
67201571
47
Motor, Step
67201526
48
Motor, Step
67201527
49
Motor, Step
67201528
50
Terminal
67201381
51
Indicator PCB Assy
67201298
Pipe Thermistor
67201574
--
Controller PCB includes a room thermistor.
22
49
48
1
PARTS
OUTDOOR UNIT
5
6
Ref. Description
2
Part number
1
Top Panel Sub Assy
67201600
2
Front Panel Sub Assy
67201939
3
Service Panel Sub Assy
67201604
5
Right Panel Sub Assy
67201940
6
Valve Cover
67201499
--
Protective Net
67201836
--
Drain Assy
67201914
--
Drain Cap
67201707
3
23
OUTDOOR UNIT
13
12
14
15
11
17
Ref. Description
16
24
Part number
11
Base Assy
67201497
12
Separate Wall Sub Assy
67201938
13
Condenser A Assy
67201875
14
Motor Bracket Sub Assy
67201820
15
Fan Motor
67201847
16
Propeller Fan Assy
67201607
17
Valve Plate
67201496
OUTDOOR UNIT
26
30
28
29
21
32
Ref. Description
31
22
27
25
23
Part number
21
Strainer Assy
67201611
22
3-Way Valve Sub Assy
67201837
23
3-Way Valve Assy
67201876
25
Compressor Sub Assy
67201867
26
Accumulator
67201618
27
Accumulator Support Assy
67201483
28
4-Way Valve
67201629
29
Solenoid
67201874
30
Pressure Switch
67201621
31
Expansion Valve Assy
67201488
32
Expansion Valve Coil
67201422
Muffler
67201792
--
25
49
42
OUTDOOR UNIT
51
Connector : Orange
Connector : Blue
43
Connector : Green
Connector
: Red
47
48
44
52
46
53
Ref. Description
26
54
Part number
41
PCB Case Assy
67201832
42
Inverter Case
67201930
43
ACTPM
67201850
44
PTC Thermistor
67201628
45
Inverter PCB Assy (18)
67201851
45
Inverter PCB Assy (24)
67201852
46
Power Supply PCB Assy (18)
67201857
46
Power Supply PCB Assy (24, 30)
67201856
47
Capacitor PCB Assy (18)
67201848
47
Capacitor PCB Assy (24, 30)
67201849
48
Transistor PCB Assy (18)
67201853
48
Transistor PCB Assy (24, 30)
67201854
49
Choke Coil
67201868
50
Terminal
67201908
51
Discharge Thermistor
67201869
52
Outdoor Thermistor
67201871
53
Compressor Thermistor
67201872
54
Heat Exchanger Thermistor
67201031
45
41
50
FRIEDRICH AIR CONDITIONING CO.
10001 Reunion Place, Ste. 500, San Antonio, TX 78216
(210) 546-0500 877-599-5665 x 261 FAX (210) 546-0630
Email: [email protected]
www.friedrich.com
Printed in the U.S.A.

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