Models
Indoor Units
MW18Y3H MW18Y3H
MR18Y3H MR24Y3H
Outdoor Units
SPECIFICATIONS
ELECTRICAL DATA
Cool & heat inverter
TYPE
MW24Y3H
INDOOR UNIT
MW18Y3H
MR18Y3H
MR24Y3H
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
POWER SOURCE
FREQUENCY
18,000 BTU/h 5.28 kW
22,000 BTU/h 6.50 kW
21,600 BTU/h 6.30 kW 27,600 BTU/h 8.10 kW
208 V / 230 V
60 Hz
208 V / 230 V
60 Hz
7.9 A
Cooling
RUNNING CURRENT
Heating
6.3 A
8.0 A
10.5 A
Cooling
INPUT WATTS
Heating
1.38 kW
1.80 kW
1.76 kW
2.38 kW
E.E.R.
Cooling 13.0 BTU/kW 3.83 kW/kW 12.5 BTU/kW 3.69 kW/kW
Heating 12.0 BTU/kW 3.50 kW/kW 11.6 BTU/kW 3.40 kW/kW
COP
MOISTURE REMOVAL
AIR CIRCULATION HIGH
MAXIMUM CURRENT
5.9 Pt/h 2.8 L/hr
541 cfm 920 m3/hr
14.5 A
6.3 Pt/h 3.0 L/hr
659 cfm 1,120 m3/hr
15.5 A
FAN MOTOR
POWER SOURCE
230 V
230 V
High speed
1,260 r.p.m.
1,020 r.p.m.
900 r.p.m.
770 r.p.m.
620 r.p.m.
620 r.p.m.
1,480 r.p.m.
1,220 r.p.m.
1,020 r.p.m.
900 r.p.m.
800 r.p.m.
850 r.p.m.
Middle speed
Low speed
Quiet
INDOOR UNIT
Cool
OUTDOOR UNIT
Heat
NOISE LEVEL
INDOOR UNIT
Cool 43 dB / Heat 44 dB Cool 49 dB / Heat 49 dB
Cool 47 dB / Heat 50 dB Cool 54 dB / Heat 55 dB
OUTDOOR UNIT
COMPRESSOR AND REFRIGERANT
TYPE
Hermetic type, 6 pole, DC inverter motor, Rotary
DISCRIMINATION
WEIGHT WITH OIL
PRECHARGED REFRIGERANT
REFRIGERANT TYPE
N-TF30ND1A
34.2 lb 15.5 kg
4 lb 10 oz 2,100 g
R410A
Pipe length
66 ft 20 m
4 lb 10 oz 2,100 g
7 lb 4 oz 3,300 g
0.43 oz/ft 40 g/m
FULL CHARGE
164 ft 50 m
ADDITIONAL CHARGE
DIMENSIONS
INDOOR UNIT
H x W x D
12-5/8 x 39-1/4 x 9 inch 320 x 998 x 228 mm
32-3/4 x 35-3/8 x 13 inch 830 x 900 x 330 mm
OUTDOOR UNIT
H x W x D
WEIGHT
INDOOR UNIT
Shipping / Net
Shipping / Net
40 lbs / 31 lbs 18 kg / 14 kg
150 lbs / 135 lbs 68 kg / 61 kg
OUTDOOR UNIT
2
DIMENSIONS
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)
1/2"
(12)
13" (330)
35-1/2" (900)
3"(77)
1-1/4"
(31)
15-3/4" (400)
Air Flow
25-5/8" (650)
5-3/4" (147)
6-3/4" (170)
4
REFRIGERANT
SYSTEM DIAGRAM
Heat exchanger
( INDOOR )
3-Way valve
(Large)
3-Way valve
(Small)
Muffler
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
W 1 9
W 2 0
B L A C K
W H I T E
T M 6 0 1
T M 6 0 0
W 9
B L A C K
W 2 1
Y
G R A
W H I T E
B L A C K
Y E L L O W
W H I T E
W H I T E
O R A N G E
R E D
B R O W N
B L A C K
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
U
T M 3 0 5
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
V
T M 3 0 4
W
T M 3 0 3
C N 1 0
C N 8
C N 5
C N 2
C O N T R O L L E R
C N 1
)
P C B M ( A I N A S S Y P C B
C N 3 C N 1
C N 1 6 C N 1 4
C N 6
1
6
W 1 9
W 2 0
B L A C K
W H I T E
T M 6 0 1
T M 6 0 0
W 9
B L A C K
W 2 1
Y
G R A
W H I T E
B L A C K
Y E L L O W
W H I T E
W H I T E
O R A N G E
R E D
B R O W N
B L A C K
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
U
T M 3 0 5
W H I T E
W H I T E
W H I T E
W H I T E
W H I T E
V
T M 3 0 4
W
T M 3 0 3
C N 1 0
C N 8
C N 5
C N 2
C O N T R O L L E R
C N 1
)
P C B M ( A I N A S S Y P C B
C N 3 C N 1
C N 1 6 C N 1 4
C N 6
1
7
INDOOR PCB
CIRCUIT DIAGRAM
CONTROL UNIT
MW18Y3H : EZ-0090HHSE
MW24Y3H : EZ-0090KHSE
TERMINAL BOARD
N
THERMAL
FUSE 102
1
L
SERIAL
2
OUTDOOR UNIT
3
EARTH
EARTH TERMINAL
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0
TM2 TM1
22007 22007
W5
GREEN
TM4
22007
BLACK
RED
WHITE
CONTROLLER PCB ASSEMBLY
MW18Y3H : K08CX-0903HSE-C1
MW24Y3H : K08CX-0904HSE-C1
CN6-1
CN6-2
CN6-3
RED
WHITE
BLACK
WIRED REMOTE CONTROL UNIT
CN11
B07B-PASK
CN201
JB20-07HG
CN2
SJH20-05WS
1
2
3
4
5
6
7
CN11-1
CN11-2
CN11-3
CN11-4
CN11-5
CN11-6
CN11-7
RED
1
2
3
4
5
6
7
LOUVER ( RIGHT / LEFT )
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
CN2-1
CN2-2
CN2-3
CN2-4
CN2-5
RED
1
2
3
4
5
ORANGE
YELLOW
PINK
M
BLUE
CN5
SJH20-06WS
LOUVER ( UP / DOWN )
CN14
B3B-XH-AM
1
2
3
4
5
6
CN5-1
CN5-2
CN5-3
CN5-4
CN5-5
RED
1
2
3
ORANGE
YELLOW
PINK
EX IN
M
BLUE
CN16
B2B-XH-AM
1
2
EX OUT
CN8
B06B-PASK
LOUVER ( DIFFUSER )
CN8-1
CN8-2
CN8-3
CN8-4
CN8-5
RED
1
2
3
4
5
6
ORANGE
YELLOW
PINK
CN3
JC25-02HG
XARR-03VF XAP-03V-1
PIPE THERMISTOR
M
BLACK
CN3-1
RED
1
2
BLUE
CN3-2
WHITE
BLACK
CN1
2P-SAN
CN2-1
CN2-2
BLACK
BLACK
1
2
ROOM THERMISTOR
FAN MOTOR
CN10
B06B-XARK
CN10-6
RED
6
5
4
3
2
1
CN13
B5P-SHF-1AA
CN10-4
CN10-3
CN10-2
CN10-1
BLACK
WHITE
YELLOW
BLUE
CN13-1
CN13-2
CN13-3
CN13-4
CN13-5
1
2
3
4
5
F. M.
TEST
8
< 1 / 1 0 5 W . 6 > k R 4 9
9
INDOOR UNIT
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0
5V
5V
CN201
07 JB20 / PAP
1061 L=230
D201
SLR-325MC
1
2
3
4
5
6
7
GREEN
D202
SLR-325DC
ORANGE
C201
0.1
<F>
GREEN
D203
SLR-325MC
5V
I C201
GP1UM261RKVF
R201
47
<1/4W>
2
1
3
VCC
OUT
GND
+ C202
47/
10V
10
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
W H I T E G 2 W 4 A
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
B R O W N
W
A
G 2 4
R E D G 2 W 4 A
O R A N G E W G 2 4
U L 1 0 0 7
U L 1 0 0 7
U L 1 0 0 7
A
Y E L L O G W 2 W 4 A
U L 1 0 0 7
B L A C K
W H I T E
W A G 2 4
U L 1 4 3 0
U L 1 4 3 0
W A G 2 4
Y
G R A
W A G 2 0
U L 3 2 7 1
U L 3 2 7 1
B L A C K
W A G 1 4
W H I T E
B L A C K
W A G 2 0
U L 3 2 7 1
U L 3 2 7 1
W A G 2 0
11
12
13
14
15
OUTDOOR UNIT
MR18Y3H
CAPACITOR PCB ASSEMBLY
K05FB-0902HUE-P0
W12
B
WHITE
W7
B
YELLOW
P
C201
660/
450V
C203
660/
450V
+
+
W8
B
BLUE
W13
B
VIOLET
N
POWER_G
MR24Y3H
CAPACITOR PCB ASSEMBLY
K05FB-0903HUE-P0
W12
B
WHITE
W7
B
YELLOW
P
C200 - C202
+
660/
450V
x 3
+
+
W8
B
BLUE
W13
B
VIOLET
N
POWER_G
16
ERROR DETECTION
Display
Operation
LED
Error
Error
Timer LED
2 flash
3 flash
4 flash
5 flash
8 flash
2 flash
3 flash
2 flash
3 flash
4 flash
8 flash
2 flash
3 flash
4 flash
7 flash
8 flash
2 flash
3 flash
5 flash
6 flash
2 flash
3 flash
2 flash
3 flash
5 flash
2 flash
3 flash
4 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
Wired remote controller error
Serial signal error
Normal
Indoor temperature thermistor open / short
Heat exchanger middle thermistor open / short
Discharge thermistor open / short
Heat exchanger thermistor open
Outdoor temperature thermistor open / short
Compressor temperature thermistor open / short
Forced automatic SW welded
Indoor unit thermistor error
2 flash
Outdoor unit thermistor error
3 flash
Main relay welded
Indoor unit control error
4 flash
Power interruption error
VDD permanent stop protection
reverse VDD permanent stop protection
Current trip error
CT abnormal
Outdoor unit control error
5 flash
Compressor location detection error
Outdoor unit fan drive system abnormal
Abnormal lock
Indoor fan motor error
Refrigerant cycle error
6 flash
7 flash
Abnormal rotation
Discharge Temperature abnormal
Cooling high pressure abnormal rise
Pressure switch trouble
Active filter voltage trouble (second time)
Active filter voltage trouble (first time)
PFC circuit error
Optional function error
Model information error
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
2
3
4
5
Front Panel Total Assy
67201282
67201791
67201501
67201502
67200936
67201294
67201533
Front Panel
Intake Grille Assy
Air Filter
1
Clamper Grille
-- Remote
-- Remote Holder
19
16
INDOOR
UNIT
18
19
20
23
25
21
24
11
Ref Descriprion
Part number
Ref Descriprion
Part number
11 Casing Assy
16 Drain Cap
67201281
67201509
67201560
67201561
67201507
67201506
21 Louver U
22 Louver Z
67201565
67201566
67201562
67201563
67201564
67201277
67201274
67201271
67201289
67201290
23 Diffuser U
24 Diffuser Z
25 Spring C
17 Drain Hose Assy
18 Bush B
19 Spacer B
26 Piller A
20 R and L Louver
27 Joint B
-- Fan Guard
-- Fan Guard Holder Right
-- Fan Guard Holder Left
20
INDOOR UNIT
37
33
35
36
34
32
39
38
Ref Descriprion
Part number
31
31 Evaporator Total Assy
32 Water Seal
67201283
67201552
67201515
67201516
67201553
67201554
67201555
67201504
67200922
67201280
33 Evaporater Holder R
34 Evaporater Holder L
35 Rear Bracket
40
36 Filter Guide
37 Filter Guard
38 Crossflow Fan Assy
39 Bearing C Assy
40 Room Therimistor Holder
21
42
41
INDOOR UNIT
43
50
45
46
51
44
47
Ref Descriprion
Part number
41 Controller PCB (18)
41 Controller PCB (24)
42 Control Box
67201299
67201380
67201567
67201568
67201569
67201570
67201571
67201526
67201527
67201528
67201381
67201298
67201574
49
43 Control Cover
44 Motor Case
45 Terminal Earth
46 DC Brushless Motor
47 Motor, Step
48
48 Motor, Step
49 Motor, Step
50 Terminal
51 Indicator PCB Assy
-- Pipe Thermistor
Controller PCB includes a room thermistor.
22
1
PARTS
OUTDOOR UNIT
5
6
Ref. Description
Part number
1
2
3
5
6
Top Panel Sub Assy
67201600
67201939
67201604
67201940
67201499
67201836
67201914
67201707
Front Panel Sub Assy
Service Panel Sub Assy
Right Panel Sub Assy
Valve Cover
-- Protective Net
-- Drain Assy
-- Drain Cap
2
3
23
OUTDOOR UNIT
13
12
14
15
11
17
Ref. Description
11 Base Assy
Part number
67201497
67201938
67201875
67201820
67201847
67201607
67201496
12 Separate Wall Sub Assy
13 Condenser A Assy
14 Motor Bracket Sub Assy
15 Fan Motor
16
16 Propeller Fan Assy
17 Valve Plate
24
OUTDOOR UNIT
26
30
28
29
21
32
Ref. Description
Part number
21 Strainer Assy
67201611
67201837
67201876
67201867
67201618
67201483
67201629
67201874
67201621
67201488
67201422
67201792
22 3-Way Valve Sub Assy
23 3-Way Valve Assy
25 Compressor Sub Assy
26 Accumulator
31
22
27 Accumulator Support Assy
28 4-Way Valve
29 Solenoid
30 Pressure Switch
31 Expansion Valve Assy
32 Expansion Valve Coil
-- Muffler
27
23
25
25
49
42
OUTDOOR UNIT
51
Connector : Orange
Connector : Blue
43
Connector : Green
47
Connector
: Red
48
44
46
52
54
53
Ref. Description
Part number
41 PCB Case Assy
42 Inverter Case
67201832
67201930
67201850
67201628
67201851
67201852
43 ACTPM
44 PTC Thermistor
45 Inverter PCB Assy (18)
45 Inverter PCB Assy (24)
45
46 Power Supply PCB Assy (18)
46 Power Supply PCB Assy (24, 30)
47 Capacitor PCB Assy (18)
47 Capacitor PCB Assy (24, 30)
48 Transistor PCB Assy (18)
48 Transistor PCB Assy (24, 30)
49 Choke Coil
67201857
67201856
67201848
67201849
67201853
67201854
67201868
67201908
67201869
67201871
67201872
67201031
50
41
50 Terminal
51 Discharge Thermistor
52 Outdoor Thermistor
53 Compressor Thermistor
54 Heat Exchanger Thermistor
26
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]
Printed in the U.S.A.
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