Friedrich MR18Y3H Building instructions

Models
MW18Y3HIndoor Units
Outdoor Units
MW18Y3H
MR18Y3H MR24Y3H
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

INDOOR UNIT H x W x D
HxWxD
12-5/8 x 39-1/4 x 9 inch 320 x 998 x 228 mm
OUTDOOR UNIT 32-3/4 x 35-3/8 x 13 inch 830 x 900 x 330 mm
DIMENSIONS
INDOOR UNIT Shipping / Net
Shipping / Net
40 lbs / 31 lbs 18 kg / 14 kg
OUTDOOR UNIT 150 lbs / 135 lbs 68 kg / 61 kg
WEIGHT
SPECIFICATIONS
TYPE Cool & heat inverter
INDOOR UNIT
OUTDOOR UNIT
MW18Y3H
MR18Y3H
COOLING CAPACITY
HEATING CAPACITY
POWER SOURCE 208 V / 230 V
FREQUENCY 60 Hz
RUNNING CURRENT
MAXIMUM CURRENT
Cooling
Heating
INPUT WATTS Cooling
Heating
E.E.R. Cooling
COP Heating
MOISTURE REMOVAL
AIR CIRCULATION HIGH 541 cfm 920 m3/hr
18,000 BTU/h 5.28 kW
21,600 BTU/h 6.30 kW
6.3 A
14.5 A
8.0 A
1.38 kW
1.80 kW
13.0 BTU/kW 3.83 kW/kW
12.0 BTU/kW 3.50 kW/kW
5.9 Pt/h 2.8 L/hr
FAN MOTOR
TYPE Hermetic type, 6 pole, DC inverter motor, Rotary
DISCRIMINATION
WEIGHT WITH OIL
N-TF30ND1A
REFRIGERANT TYPE
PRECHARGED REFRIGERANT
R410A
4 lb 10 oz 2,100 g
34.2 lb 15.5 kg
POWER SOURCE 230 V
High speed 1,260 r.p.m.
INDOOR UNIT Middle speed 1,020 r.p.m.
Low speed 900 r.p.m.
Quiet
Cool
Heat
770 r.p.m.
OUTDOOR UNIT 620 r.p.m.
620 r.p.m.
ELECTRICAL DATA
COMPRESSOR AND REFRIGERANT
INDOOR UNIT
OUTDOOR UNIT
Cool 43 dB / Heat 44 dB
Cool 47 dB / Heat 50 dB
MW24Y3H
MR24Y3H
208 V / 230 V
60 Hz
659 cfm 1,120 m3/hr
22,000 BTU/h 6.50 kW
27,600 BTU/h 8.10 kW
7.9 A
15.5 A
10.5 A
1.76 kW
2.38 kW
12.5 BTU/kW 3.69 kW/kW
11.6 BTU/kW 3.40 kW/kW
6.3 Pt/h 3.0 L/hr
230 V
1,480 r.p.m.
1,220 r.p.m.
1,020 r.p.m.
900 r.p.m.
850 r.p.m.
800 r.p.m.
Cool 49 dB / Heat 49 dB
Cool 54 dB / Heat 55 dB
NOISE LEVEL
Pipe length 66 ft 20 m 4 lb 10 oz 2,100 g
FULL CHARGE 164 ft 50 m 7 lb 4 oz 3,300 g
ADDITIONAL CHARGE 0.43 oz/ft 40 g/m
2

DIMENSIONS
Unit : inch (mm)
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)
INDOOR UNIT
39-1/4" (998) 9" (228)
12-5/8"
(320)
3

Unit : inch (mm)
OUTDOOR UNIT
3"(77)
35-1/2" (900)
32-3/4" (830)
17-3/8" (440)
7/8" (21)
3/8" (9)
15-3/4" (400)
13" (330)
1-1/4"
(31)
1/2"
(12)
7-3/4" (196)
5-3/4" (147)
6-3/4" (170)
3-7/8" (99)
14-5/8" (370)
25-5/8" (650)
Air Flow
4

REFRIGERANT
SYSTEM DIAGRAM
3-Way valve
(Small)
3-Way valve
(Large)
Strainer
Strainer
Muffler
Pressure
switch
4-Way valve
Expansion
valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Sub-accumulator
Compressor
Refrigerant pipe diameter
Liquid : 3/8" (9.52 mm)
Gas : 5/8" (15.88 mm)
Cooling flow
Heating flow
5

RED RED
BROWN
BROWN
BLUE BLUE BLACK BLACK BROWN BROWN BLACK BLACK
WHITE YELLOW ORANGE BLUE BROWN RED
BROWN
YELLOW
WHITE
BLACK
RED RED
GREEN WHITE BLACK
WHITE
BLACK
VIOLET WHITE
BLACK
WHITE
WHITE
WHITE
WHITE
BLACK
BLACK
GRAY
RED
WHITE
BLACK
BROWN ORANGE
BLACK RED
YELLOW
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
BROWN
RED
ORANGE
YELLOW
12 3 4 5 6 7 8 9
12 3 4 5 6 7 8 9
12 3 4 5 6 7 8 9
12 3 4 5 6 7 8 9
12 3 4 5
12 3 4 5
12 3 4 5
12 3 4 5 12 3 4 5 6
12 3 4 5 6
12 3 4
12 3 4
12
12
121
2
3 4
5
6
7
12 12
12
12
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
1 2
3
1 2
3
1 2
3
1 2
3
1 2
3
1 2
3
1 2
3
1 2
1 2
CN90
CN64
CN62
CN65
CN63
CN500
CN700
CN800
CN1 CN110
TM600
TM601
CN100
W29 W28
W21
W9
W20
W19
W3
W18
W17
W2
W1
W4
CN11
L2 L1
N
P
-I N
+I N
W8 W7
W13 W12
CN303 CN301 W306
W307
TM302
TM301
W17 W16
TM102 TM101
TM303
W
TM304
VTM305
U
S
R
T
CN42 CN40 CN200 CN400
CM
L1L2321
G
G
COMPRESSOR
CHOKE COIL
TERMINAL BOARD
HIGH PRESSURE SWITCH
THERMISTOR ( COMPRESSOR TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( PIPE TEMP. ) THERMISTOR ( DISCHARGE TEMP. )
4-WAY VALVE
EXPANSION VALVE
FAN MOTOR
4WV
PMV
FM
POWER SOURCE
TRANSISTOR
PCB ASSY
(IPM) A C T P M
CAPACITOR
PCB ASSY
POWER SUPPLY
PCB ASSY
INVERTER PCB ASSY
( MAIN PCB )
7
6 5 4
3
2
1
7
6 5 4
3
2
1
7
6 5 4
3
2
1
5 4
3
2
1
3
2
1
3
2
1
2
1
2
1
2 1
3
2
1
5 4
3
2
1
5 4
3
2
1
6 5 4
3
2
1
6 5 4
3
2
1
6 5 4
3
2
1
6 5 4
3
2
1
5
43
2
1
1
2 3 4
5
6
1
2 3 4
5
6
CN13
CN16CN14
CN10
CN3CN1
CN8
CN6
CN5
CN11
CN2
TM1
TM4 TM2 W5
CN201
BLUE
YELLOW WHITE
BLACK RED BLUE PINK
YELLOW
ORANGE RED BLUE PINK
YELLOW
ORANGE
RED BLUE PINK
YELLOW
ORANGE RED
GREEN
WHITE
RED
BLACK BLACK
BLACK BLACK
WHITE WHITE WHITE WHITE WHITE WHITE
RED
BLACK
WHITE
RED
FM
TEST
FAN MOTOR
M STEP MOTOR ( DIFFUSER ) M STEP MOTOR ( UP / DOWN ) M STEP MOTOR ( RIGHT / LEFT )
G
12 3
TERMINAL BOARD
EX OUT
( OPTION )
EX IN
( OPTION )
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( ROOM TEMP. )
WIRED REMOTE CONTROL
( OPTION )
INDICATOR PCB ASSY
THERMAL FUSE 102
CONTROLLER PCB ASSY ( MAIN PCB )
INDOOR UNIT OUTDOOR UNIT MW18Y3H / MR18Y3H CIRCUIT DIAGRAM
6

L1L2321
G
G
POWER SOURCE
7
6 5 4
3
2
1
7
6 5 4
3
2
1
7
6 5 4
3
2
1
5 4
3
2
1
3
2
1
3
2
1
2
1
2
1
2 1
3
2
1
5 4
3
2
1
5 4
3
2
1
6 5 4
3
2
1
6 5 4
3
2
1
6 5 4
3
2
1
6 5 4
3
2
1
5
43
2
1
1
2 3 4
5
6
1
2 3 4
5
6
CN13
CN16CN14
CN10
CN3CN1
CN8
CN6
CN5
CN11
CN2
TM1
TM4 TM2 W5
CN201
BLUE
YELLOW WHITE
BLACK RED BLUE PINK
YELLOW
ORANGE RED BLUE PINK
YELLOW
ORANGE
RED BLUE PINK
YELLOW
ORANGE RED
GREEN
WHITE
RED
BLACK BLACK
BLACK BLACK
WHITE WHITE WHITE WHITE WHITE WHITE
RED
BLACK
WHITE
RED
FM
TEST
FAN MOTOR
M STEP MOTOR ( DIFFUSER ) M STEP MOTOR ( UP / DOWN ) M STEP MOTOR ( RIGHT / LEFT )
G
12 3
TERMINAL BOARD
EX OUT
( OPTION )
EX IN
( OPTION )
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( ROOM TEMP. )
WIRED REMOTE CONTROL UNIT
( OPTION )
INDICATOR PCB ASSY
THERMAL FUSE 102
CONTROLLER PCB ASSY ( MAIN PCB )
INDOOR UNIT OUTDOOR UNIT
RED RED
BROWN
BROWN
BLUE BLUE BLACK BLACK BROWN BROWN BLACK BLACK
WHITE YELLOW ORANGE BLUE BROWN RED
BROWN
YELLOW
WHITE
BLACK
RED RED
GREEN WHITE BLACK
WHITE
BLACK
VIOLET WHITE
BLACK
WHITE
WHITE
WHITE
WHITE
BLACK
BLACK
GRAY
RED
WHITE
BLACK
BROWN ORANGE
ORANGE ORANGE
BLACK RED
YELLOW
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
BROWN
RED
ORANGE
YELLOW
12 3 4 5 6 7 8 9
12 3 4 5 6 7 8 9
12 3 4 5 6 7 8 9
12 3 4 5 6 7 8 9
12 3 4 5
12 3 4 5
12 3 4 5
12 3 4 5 12 3 4 5 6
12 3 4 5 6
12 3 4
12 3 4
12
12
121
2
3 4
5
6 7
12 12
12
12
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
1 2
3
1 2
3
1 2
3
1
2
3
1 2
3
1 2
3
1 2
3
1 2
1 2
CN90
CN64
CN62
CN65
CN63
CN500
CN700
CN800
CN1 CN110
TM600
TM601
CN100
W29 W28
W25
W26
W21
W9
W20
W19
W3
W18
W17
W2
W1
W4
CN11
L2 L1
N
P
-I N
+I N
W8 W7
W13 W12
CN303 CN301 W306
W307
TM302
TM301
W17 W16
TM102 TM101
TM303
W
TM304
VTM305
U
S
R
T
CN42 CN40 CN200 CN400
CM COMPRESSOR
POSISTOR
CHOKE COIL
TERMINAL BOARD
HIGH PRESSURE SWITCH
THERMISTOR ( COMPRESSOR TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( PIPE TEMP. ) THERMISTOR ( DISCHARGE TEMP. )
4-WAY VALVE
EXPANSION VALVE
FAN MOTOR
4WV
PMV
FM
TRANSISTOR
PCB ASSY
(IPM) A C T P M
CAPACITOR
PCB ASSY
POWER SUPPLY
PCB ASSY
INVERTER PCB ASSY
( MAIN PCB )
MW24Y3H / MR24Y3H
7

CN11-2 WHITE
CN11-1 RED
CN11-3 WHITE
CN11-4 WHITE
CN11-5 WHITE
CN11-6 WHITE
CN11-7 WHITE
CN3-2 WHITE
CN3-1 RED
CN2-2 BLACK
CN2-1 BLACK
CN13-1
CN13-5
CN13-4
CN13-3
CN13-2
BLACK
BLACK
CN10-3 WHITE
CN10-2 YELLOW
CN10-1 BLUE
CN10-4 BLACK
CN10-6 RED
CN8-3 YELLOW
CN8-4 PINK
CN8-5 BLUE
CN8-2 ORANGE
CN8-1 RED
CN5-3 YELLOW
CN5-4 PINK
CN5-5 BLUE
CN5-2 ORANGE
CN5-1 RED
CN2-3 YELLOW
CN2-4 PINK
CN2-5 BLUE
CN2-2 ORANGE
CN2-1 RED
CN6-3 BLACK
CN6-2 WHITE
CN6-1 RED
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
1
2
1
2
1
2
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
5
4
3
2
1
CN2
SJH20-05WS
CN5
SJH20-06WS
CN8
B06B-PASK
CN10
B06B-XARK
CN13
B5P-SHF-1AA
CN1
2P-SAN
CN3
JC25-02HG
CN11
B07B-PASK
W5
GREEN
CN201
JB20-07HG
TEST
XARR-03VF XAP-03V-1
ROOM THERMISTOR
PIPE THERMISTOR
EX IN
EX OUT
EARTH TERMINAL
LOUVER ( RIGHT / LEFT )
LOUVER ( UP / DOWN )
LOUVER ( DIFFUSER )
FAN MOTOR
WIRED REMOTE CONTROL UNIT
M
M
F. M.
M
EARTH
OUTDOOR UNIT
THERMAL
FUSE 102
TM2
22007
RED
TM1
22007
WHITE
TM4
22007
BLACK
TERMINAL BOARD
N
L
SERIAL
1
2
3
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0
CONTROLLER PCB ASSEMBLY
MW18Y3H : K08CX-0903HSE-C1
MW24Y3H : K08CX-0904HSE-C1
CN14
B3B-XH-AM
CN16
B2B-XH-AM
CONTROL UNIT
MW18Y3H : EZ-0090HHSE
MW24Y3H : EZ-0090KHSE
INDOOR PCB
CIRCUIT DIAGRAM
8

5V
12V
R88
1.0k
<1/10W>
C57
0.01
<B>
I C7-2
uLN2003ADR
L4
0R0
C51
0.01
<B>
K10
G5NB-1A
L3
0R0
R101
330
<1/10W>
CN14
B3B-XH-AM
CN16
B2B-XH-A
2 15 4
2 3
1
3
4
2
1
I C1-63
I C1-64
2
1
3 2
1
12V
R109
10k
<1/10W>
BZ1
PKM13EPYH-4000-A0
I C18-7
uLN2003ADR
710
12V
12V 12V 12V
IC7 IC18 I C 16
9 8
9 8
9 8
I C1-4
1
2 3 4
5
5V
R90 - R93
330 <1/10W> x 4
R95, R97 - R99
10K <1/10W> x 4
C28
0.01
<B>
R33
1.0k
<1/10W>
5V
SW1
KSMC632PB
R32
10k
<1/10W>
I C1-40
A
15V
4 3 2
1
4
3
2 1
5V
5V
CN11
B07B-PASK-1
C53
1000p
<R> +
C40
100/
25V
C41
0.01
<B>
R110
10k
<1/10W>
X1
8.38MHz
<CSTLS>
R54 0R0
R57, R60, R58, R59
330 <1/10W> x 4
R113
47
<1/10W>
15V
R52
10k
<1/10W>
5V
5V
C26
0.1
<F>
R39
10k
<1/10W>
I C6
BR93L46RF-WE2
5V
+R42
270
<1/10W>
C27
47/
35V
R38
15k
<1/10W>
R34
12k
<1/10W>
C29
0.22
<B> +
C37
1000/
25V
+
R64
1.8k
<1/10W>
C33
47/
35V
D4
D1FL20U
20V
C35
0.01
<F>
T1
MY064
3 4
2
1
C
AREF
3
2
1
6 5
1 2 3
4
8
9
10
2
3
1
6 5 43
2 1D
F
S
C
L
X
2
4
3
1
2
31
G
I O
5V
R79, R81 - R84
10k <1/10W> x 5
5V
R108
10k
<1/10W>
R107
1.0k
<1/10W>
C52
1000p
<R>
314
413
512
6 11
710
116
2 15
3 14
611
16
1
2 15
3 14
4 13
413
5 12
611
710
2
13
I
G
O
12
5
3
2
1
2
3
1
2
3
1
5V R51
1.0k
<1/4W>
1%
+
5V
15V
I C14
PS2561L-1
-V-F3 ( L )
R44
1.0k
<1/10W>
C30
1000p
<R>
R43
330
<1/10W>
Q6
RT1N241M
R47
10k
<1/10W>
R55
820
<1/4W>
1%
R56
4.7k
<1/10W>
R63
6.8k
<1/4W>
340V
C1
0.1
<X7R>
CN10
B5 ( 6-5 ) B-XARK-1-A
C36
100/
25V
C73
10k
<1/10W>
CN13
B6P-SHF-1AA
I C18-6
uLN2003ADR
15V
C56
0.1
<F>
+
I C20
78M15
C42
330/
25V
JM9
0R0
20V
+
C39
100/
50V
C25
0.1
<F>
R8
1.0k
<RS-2W>
I C18-5
uLN2003ADR
I C1
uPD780148 5V
8 4 7 56
3 2 1
VCC DO NC GND
CS
SK
D I
NC
8
4
IC5
12V
C23
0.1
<F>
5V
R30
10k
<1/10W>
12V
16 1
+
-
+
-
6 57
2 31
I C5-2
BA10393F
I C5-1
BA10393F
I C7-1
uLN2003ADR
R31
390
<1/4W>
1%
12V
5V
12V
12V
JP5
0R0
R4
10k
<1/10W>
R17
10k
<1/10W>
D3
DAN217U
21
3
R20
1.0k
<1/10W>
R21
15.4k
<1/10W>
1%
R22
28k
<1/10W>
1%
C16
0.1
<F>
C15
0.1
<F>
R14
1.0k
<1/10W>
R13
1.0k
<1/10W>
R6
49.9k
<1/10W>
1%
C3
0.1
<F>
L7
BLm18
<BD102>
L6
BLm18
<BD102>
R2
10k
<1/10W>
1%
5V
CN1
150-103-86174
C2
0.1
<F>
CN3
02 / 03 JC25 / XARR
1007 L=60
CN6
B05B-XASK-1-A
D2
D1F60
5V
C14 0.01 <F>
I C2
BA05T
JM3
7V
C22
0.1
<F>
+
C19
330/
25V
TM1
TM4
F1
FSL 3.15A
250V
( EM )
FH1 FH2
VA1
470V
<TNR>
C13
0.01
<F>
C8
0.47
<LE>-M
W5
L1
SS1V-R060330
TH1
5D2-10-LCS
+
C6
100/
420V
D6
GSIB460L I C8
TOP244YN
C7
0.1
<F>
C5
0.1
<F>
C21
0.1
<F>
C20
0.1
<F>
C18
10/
25V
+
C17
330/
25V
+
C12
0.1
<F>
Q7
2SA1037AK
<Q>
R46
47
<1/2W>
340V D7
UD7G-TB
R45
100k
<RS-2W>
C32
0.01
<ECQE>
12V
I C19
TL431I LPRE3
R76
47k
<1/10W>
1%
C38
0.1
<F>
R53
5.6k
<1/10W>
R48
200k
<1/10W>
1%
R67
150
<1/10W>
D12 D2FL20U
D10 D1FL20U
Q10
RT1N241M
C50
0.01
<B>
Q11
RT1N241M
D14
DAN202K
R106
1.0k
<1/2W>
C101
0.022 <LE>
TM2 VA6
470V
<TNR>
5V R105
10k
<1/10W>
R103
390
<1/10W>
5V
R114
390
<1/10W>
C54
0.01
<B>
IC26
GK-LV3011E4
CN8
B06B-PASK-1
CN2
SJH20-05WS
CN5
SJH20-06WS
R49 5.6k <1/10W>
D8
1SS355
C4
47pF/
1kV
SL
I C1-73
I C1-59
CS
I C1-43
I C1-3
R37 10k <1/10W>
R40 10k <1/10W>
D9
D1FL20U
A
A
I C1-33 I C1-32 I C1-29 I C1-28
I C1-47 I C1-46
I C1-38
I C1-47 I C1-46
I C1-6
I C26-14
I C26-10
I C1-3 CS
T1-12
K1-4
I C26-14 I C26-10
4 3
2
1
T1-12
I C1-76 I C1-42 I C1-41 I C1-75 I C1-74
18 14 10 5 4 3 21
5
64 3 2 17
8
32
1
AUTO RESTART / PULAG ON
ROOM TEMPERARURE CORRECTION - 1 REMOTE CONTROL SWITCH - 1 ROOM TEMPERARURE CORRECTION - 2
REMOTE CONTROL SWITCH - 2
JM5 JM6 JM7
JM8
JM10
6 5 4
3 2
1
6 5 4
3 2
1
5 4
3 2
1
5 4
3 2
1
1
2 3 4
5 6
7
1
2 3 4
5
1
2
3
1
2 1
I C1-43 I C1-42 I C1-41 I C1-40 I C1-38
I C1-76 I C1-75 I C1-74 I C1-73 I C1-6
I C1-4 I C1-64 I C1-63 I C1-59 I C1-57
2
3
1
16
15
13
12 14
57
58
59
60 61
62
63 64
4 5 6
7
73 74 75 76 77
78
79
80
25 24 23 22
21 20
19
18
38
39
40 41 42 43 44
56
31
9
55
54
53
52
51 50 49
33
32
29
28 48 47 46
45
72
71
70
69
68
67
66
65
3
17
26 27
34
35
36
37
1
8
10
11
2
30
P00 P01 P02 P03
P04
P05 P06 P10
P11
P12 P13
P14
P15 P16 P17 P20
P21
P22 P23
P24
P25
P26 P27
P30
P31 P32
P33
P40 P41 P42 P43 P44 P45
P46
P47
RST
X1
X2
XT1 XT2 EGND
AGND
GND
REGC
I C
AVREF
P145
P144
P143 P142 P141 P140 P130
P120
P77
P76 P75
P74
P73
P72
P71
P70
P67
P66 P65 P64
P63
P62 P61
P60
P57
P56
P55 P54
P53 P52 P51
P50
EVDD
VDD
I C1-33 I C1-32 I C1-29
I C1-28
AA
I C10
PS2561L-1
-V-F3 ( L )
MANUAL AUTO SWITCH
I C25
PS2561L-1
-V-F3 ( L ) E. I. B. I N
TEST
C59, C47 - C49
0.1 <F> x 4
I C18-1 - I C18-4
uLN2003ADR x 4
I C16-4 - I C16-7
uLN2003ADR x 4
I C7-3 - I C7-6
uLN2003ADR x 4
I C7-7, I C16-1 - I C16-3
uLN2003ADR x 4
LOUVER ( DIFFUSER )
LOUVER ( RIGHT / LEFT )
LOUVER ( UP / DOWN )
5V
6
TO WIRED REMOTE CONTROL UNIT
RED
WHITE
BLACK
JP SWITCH
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( ROOM TEMP. )
R35 0R0
I C15
PS2561L-1
-V-F3 ( L )
TP00351-31 x 2
5V
R104
10k
<1/10W>
E. I. B. OUT
POWER SOURCE
INDOOR UNIT CONTROLLER PCB ASSEMBLY MW18Y3H : K08CX-0903HSE-C1 MW24Y3H : K08CX-0904HSE-C1
9