SPLIT TYPE
AIR CONDITIONER
CASSETTE
Models
Indoor unit Outdoor unit
type
MC24Y3F MR24UY3F
(60Hz)
CONTENTS
SPECIFICATIONS ...................... 1
DIMENSIONS .......................... 2
REFRIGERANT SYSTEM DIAGRAM ....... 4
CIRCUIT DIAGRAM ..................... 5
7INDOOR PCB CIRCUIT DIAGRAM ........
...... 8OUTDOOR PCB CIRCUIT DIAGRAM
ERROR CONTENTS ....................
DISASSEMBLY ILLUSTRATION ..........13
PARTS LIST .......................... 21
STANDARD ACCESSORIES ............. 23
11
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
COOLING & HEATING
MC24Y3F
MR24UY3F
22,200 / 22,200 BTU/h
24,200 / 24,200 BTU/h
NOISE LEVEL
INDOOR UNIT
OUTDOOR UNIT
HIGH-SPEED
MED-SPEED
LOW-SPEED
COOL
HEAT
45.0 dB
43.0 dB
38.0 dB
53.0 dB
55.0 dB
ELECTRICAL DATA
POWER SOURCE
COOLING
RUNNING CURRENT
HEATING
COOLING
INPUT WATTS
HEATING
COOLING
E.E.R.
HEATING
STARTING CURRENT
MOISTURE REMOVAL
AIRCIRCULATION -High
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A
1 230 / 208 V 60Hz
9.2 / 10.1 A
10.4 / 11.4 A
2.10 / 2.10 kW
2.37 / 2.37 kW
3.10 / 3.10 kW/kW
3.00 / 3.00 kW/kW
9.5 A
3.0 l/hr
1,050 m
3
/hr
Total enclosed type, 4 poles,
Inverter, Twin Rotary
TNB220FPBM9
4 lb 3 oz, 1,900 g
REFRIGERANT CHARGE (R410A)
MAX PIPE LENGTH
MAX PIPE HEIGHT
Pipe Length
FULL CHARGE
AMOUNT
ADDITIONAL REFRIGERANT
49 ft. (15 m)
66 ft. (20 m)
98 ft. (30 m)
131 ft. (40 m)
164 ft. (50 m)
4 lb 3 oz (1,900 g)
4 lb 10 oz (2,100 g)
5 lb 8 oz (2,500 g)
6 lb 6 oz (2,900 g)
7 lb 5 oz (3,300 g)
0.424 oz / ft. (40g/m)
50 m
30 m
FAN MOTOR
DISCRIMINATION
HIGH-SPEED
INDOOR UNIT
( Cool / Heat )
OUTDOOR UNIT
( Cool / Heat )
MED-SPEED
LOW-SPEED
S-LOW-SPEED
DISCRIMINATION
HIGH-SPEED
DIMENSIONS
INDOOR UNIT HxWxD
HxWxDOUTDOOR UNIT
WEIGHT
INDOOR UNIT Gross / Net
Gross / NetOUTDOOR UNIT
MFA-24RPT
490 r.p.m. / 440 r.p.m.
430 r.p.m. / 380 r.p.m.
360 r.p.m. / 330 r.p.m.
- / 250 r.p.m.
MFE-45ROM
850 r.p.m. / 900 r.p.m.
9-3/4" x 32-3/4" x 32-3/4" inch
( 246 x 830 x 830 mm )
32-3/4" x 35-1/2" x 13" inch
( 830 x 900 x 330 mm )
44 kg / 34 kg
70 kg / 64 kg
2006.05.25 1
DIMENSIONS
INDOOR UNIT
unit : inch (mm)
1-3/16" (30)
9-3/4" (246)
9-1/4" (235)
37" (940)
Drain inside Dia. ø1-1/4" (ø32)
outside Dia. ø1-1/2" (ø37)
11-3/4" (298.5)
2-3/8" (60)
12" (305.5)
9-25/32"
(248.5)
2-3/4" (70)
37" (940)
3-15/16" (100)
7-7/8" (200)
2-3/8" (60)
29-17/32" (750)
32-3/4" (830)
11-3/4" (298.5)
12" (305.5)
9-25/32"
(248.5)
29-17/32" (750)
2-3/4" (70)
32-3/4" (830)
3-15/16" (100)
2006.05.18 2
OUTDOOR UNIT
unit : inch (mm)
32-3/4" (830)
7/8" (21)
35-1/2" (900)
3/8"
(9)
3"(77)
1-1/4"
(31)
13" (330)
15-3/4" (400)
1/2"
(12)
17-3/8" (440)
Air Flow
14-5/8" (370)
25-5/8" (650)
2006.05.18 3
6-3/4" (170)
3-7/8"
(99)
5-3/4" (147)
7-3/4" (196)
REFRIGERANT SYSTEM DIAGRAM
OUTDOOR UNIT
Condenser
Pressure
Check Valve
High Pressure
Switch
4-way
Muffler
Valve
Compressor
Expansion
Valve
INDOOR UNIT
Refrigerant Pipe
15.88mm (5/8")
Charging
Valve
Evaporator
Accumulator
Refrigerant Pipe
9.52mm (3/8")
Strainer
Strainer
: COOL
: HEAT
2006.05.18 4
Charging Valve
CIRCUIT DIAGRAM
INDOOR UNIT
PIPE TEMPERATURE THERMISTOR
ROOM TEMPERATURE THERMISTOR
TO REMOTE CONTROL UNIT
TERMINAL
3
1
2
POWER SUPPLY
PCB ASSY
L
N
GREEN
BLACK
WHITE
G
1
RED
2
(N)
RED
WHITE
BLACK
Use T3.15A-250V
Fuse on F101
1
2
3
BLACK
WHITE
RED
1
2
3
3
TERMINAL
GRAY
BLACK
GRAY
1212
12
CN7 CN8
CN17
12
CONTROLLER PCB ASSY
1
1
2
2
CN1
3
3
BLACK
1
2
3
4
5
1
2
CN15 CN10
3
1
2
1
2
CN16 CN6
3
1
2
3
5
6
121
CN4 CN5
BROWN BROWN
1
RED RED
2
ORANGE
3
4
WHITE WHITE
5
BLACK
1
2
BLACK
3
BLACK
1
BLACK
2
RED
1
WHITE
2
BLACK
3
BLACK
1
WHITE
2
RED
3
PURPLE
5
BLUE
6
WHITE
WHITE
2
1
1
2
2
3
3
4
4
5
5
BLACK
1
1
2
2
BLACK
3
3
YELLOW
121
YELLOW
2
FAN MOTOR
FM
ORANGE
YELLOWYELLOW
STEP MOTOR
M
FLOAT SWITCH
DRAIN PUMP MOTOR
M
GREEN /
YELLOW
FAN MOTOR
CAPACITOR
TO OUTDOOR UNIT
2006.05.18 5
OUTDOOR UNIT
COMPRESSOR
BLACK
BLACK
CHOKE COIL
PIPE TEMPERATURE
THERMISTOR
DISCHARG TEMPERATURE
THERMISTOR
CONNECTOR
RED RED
U
WHITE
V
W
BLACK
ACTIVE
FILTER
MODULE
TERMINAL
WHITE
BROWN
L1
L2
+
-
EMI FILTER
WHITE
BLACK
BROWN
1
RED
2
ORANGE
3
4
5
YELLOW
6
P
N
EMI FILTER
1T
YELLOW
2T
BLACK
BLACK
BROWN
12 12 12 12 12
CN21
CN22
CN23
U
W305
V
BLUE
W304
W
W303
1
CONTROLLER PCB ASSY
2
CN407
3
4
5
W12
W13
FUSE
F4 T 5A-250V
FUSE
F2 T 3.15A-250V
RED
W16
W17
W10
W11
CN1
1
BLUE
BROWN
BLACK
THERMISTOR
COMPRESSOR TEMPERATURE
THERMISTOR
HEAT SINK TEMPERATURE
THERMISTOR
CN25
CN26
RED
OUTDOOR TEMPERATURE
1
CN37
CN30
CN802
CN27
432
CN34
1
32
W200
RED
2
BLACK
1
2
BLACK
3
RED
1
2
BLACK
3
WHITE
4
YELLOW
5
BLUE
6
RED
1
BROWN
2
BLUE
3
ORANGE
4
YELLOW
5
WHITE
6
HIGH PRESSURE SWITCH
4WV
SOLENOID COIL
FM FANMOTOR
EXPANSION VALVE COIL
EV
WHITE
BLACK
TM102
POWER SUPPLY PCB ASSY
TM101
W3
GREEN
1
GG
EARTH EARTH
2006.05.18 6
BLACK
BROWN
RED
32
CN1
W6 W7
BLACK
13LN
WHITE
W9 W8
WHITE
2 (N)
BLACK
W4
BLACK
W5
WHITE
RED
INDOOR PCB CIRCUIT DIAGRAM
Model : MC24Y3F
CONTROLLER PCB ASSEMBLY
K01AL-050LHSE-C1
2006.05.25 7