General AWHZ14L, AWHZ14LBC, AOHZ14LBC, AWHZ18L, AWHZ18LBC Service Manual
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SPLIT TYPE
ROOM AIR CONDITIONER
CEILING WALL
INVERTER
Models
Indoor unit Outdoor unit
AWHZ14LBC AOHZ14LBC
AWHZ18LBC AOHZ18LBC
type
CONTENTS
SPECIFICATIONS
OUTLINE AND DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
CIRCUIT DIAGRAM
INDOOR PCB CIRCUIT DIAGRAM
OUTDOOR PCB CIRCUIT DIAGRAM
ERROR CONTENTS
DISASSEMBLY ILLUSTRATION
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . 2
. . . . 3
. . . . . . . . . . . . . . . . . . 4
. . . . . 5
. . . 8
. . . . . . . . . . . . . . . . .
. . . . . . .
10
11
14
SPECIFICATIONS
TYPE
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
ELECTRICAL DATA
POWER SUPPLY
RUNNING CURRENT
INPUT WATTS
E.E.R.
MOISTURE REMOVAL
AIR CIRCULATION-HiGH
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
Cooling and Heat-pump heating
AWHZ14LBC AWHZ18LBC
AOHZ14LBC
4.2 kW 5.2 kW
6.0 kW 6.7 kW
230 V 50 Hz
4.5 A 6.9 A
5.9 A 7.2 A
1.02 kW 1.58 kW
1.35 kW 1.63 kW
4.12 kW/kW 3.29 kW/kW
4.44 kW/kW 4.11 kW/kW
2.1 L/hr
AOHZ18LBC
2.8 L/hr
850 m3/hr
940 m3/hr
REFRIGERANT CHARGE (R410A)
Pipe Length
FULL CHARGE AMOUNT
ADDITIONAL REFRIGERANT
MAX PIPE LENGTH
15 m
20 m
1,350 g
1,450 g
20 g / m
20 m
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A
FAN MOTOR
POWER SOURCE
HIGH2
HIGH-SPEED
INDOOR UNIT
( cool / heat )
OUTDOOR UNIT
( cool / heat )
MED-SPEED
LOW-SPEED
QUIET
SUPER-QUIET
HIGH2
HIGH-SPEED
DIMENSIONS and WEIGHT
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
H x W x D
H x W x D
GROSS / NET
GROSS / NET
Hermetic type, Inverter, Three phase
Induction motor, Rotary
808 - 907 - 80
1,350 g
230 V
1,550 r.p.m. / 1,750 r.p.m.
1,450 r.p.m. / 1,650 r.p.m.
1,320 r.p.m. / 1,350 r.p.m.
1,050 r.p.m. / 1,150 r.p.m.
880 r.p.m. / 1,000 r.p.m.
730 r.p.m. / 820 r.p.m.
835 / 820 r.p.m. 850 / 900 r.p.m.
820 / 730 r.p.m. 820 / 730 r.p.m.
250 x 899 x 298 mm
578 x 790 x 300 mm
17 kg / 13.5 kg
43 kg / 39 kg
NOISE LEVEL
HIGH2 47 dB / 47 dB 47 dB / 47 dB
HIGH-SPEED
INDOOR UNIT
( cool / heat )
OUTDOOR UNIT
( cool / heat )
MED-SPEED
LOW-SPEED
QUIET
SUPER QUIET
HIGH2 47 dB / 49 dB 48 dB / 50 dB
HIGH-SPEED
Note : Noise was measured in accordance with JIS standards, Japan.
"HIGH2" means when ability measurement
2006.02.06 1
46 dB / 46 dB
43 dB / 39 dB
35 dB / 34 dB
29 dB / 29 dB
24 dB / 24 dB
46 dB / 47 dB
46 dB / 46 dB
43 dB / 39 dB
35 dB / 34 dB
29 dB / 29 dB
24 dB / 24 dB
47 dB / 48 dB
DIMENSIONS
Models :
AWHZ14LBC, AWHZ18LBC
(Unit : mm)
300
250
Models :
AOHZ14LBC, AOHZ18LBC
899
298
2,000
40
170
52
508
20
320
540 125
790
578
10
60
300
2006.02.06 2
REFRIGERANT SYSTEM DIAGRAM
Models :
AWHZ14LBC / AOHZ14LBC
AWHZ18LBC / AOHZ18LBC
Muffler
Compressor
Accumulator
Muffler
3-Way Valve
4-Way Valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Heat exchanger B
( INDOOR )
Strainer
2-Way Valve
Receiver
Strainer
Cooling
Heating
Liquid pipe : 6.35 mm
Gas pipe : 12.7 mm
2006.02.06 3
Pulse motor valve
CIRCUIT DIAGRAM
INDOOR UNIT
CONNECTOR (RED)
LOUVER U
CONNECTOR (WHITE)
LOUVER Z
CONNECTOR (WHITE)
RIGHT-LEFT LOUVER
CONNECTOR (RED)
DIFFUSER
BROWN
1
1
RED
M
2
2
ORANGE
3
3
YELLOW
4
4
GREEN
5
5
BLUE
1
1
PURPLE
2
M
2
GRAY
3
3
WHITE
4
4
BLACK
5
5
RED
1
1
WHITE
M
2
2
WHITE
3
3
WHITE
4
4
WHITE
5
5
RED
1
1
WHITE
2
2
M
WHITE
3
3
WHITE
4
4
WHITE
5
5
F M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
BLUE
YELLOW
WHITE
BLACK
RED
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
AIR FILTER (LEFT)
TERMAL
WHITE
1
1
FUSE 102
SWITCH
(RIGHT)
M
3
1
1
1
WHITE
RED
BROWN
RED
ORANGE
YELLOW
2
4
1
3
5
2
3
2
CN201
4
5
RED
2
1 6
1
CN200 CN203 CN202
CONNECTOR BOARD
WHITE
GRAY
TERMAL
FUSE 102
TERMINAL
AIR FILTER (RIGHT)
TERMAL
FUSE 102
CN15
CN16
CN4
CN11
CN9
WHITE
10
WHITE
9
WHITE
8
WHITE
7
WHITE
6
WHITE
5
4
WHITE
3
WHITE
2
RED
1
RED
1
WHITE
2
WHITE
3
WHITE
4
5
WHITE
6
WHITE
7
WHITE
8
WHITE
9
WHITE
10
RED
WHITE
1
1
WHITE
2
2
WHITE
3
3
WHITE
4
4
WHITE
5
5
WHITE
6
6
WHITE
7
7
8
8
WHITE
9
9
10
10
RED
11
11
WHITE
12
12
13
13
WHITE
14
14
WHITE
15
15
WHITE
16
16
WHITE
17
17
WHITE
18
18
WHITE
WHITE
TEST
4
3
5
2
1
CN3
CONTROLLER PCB
1
2
3
CN206
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
CN205
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
1
1
2
2
3
3
4
4
5
5
6
6
SWITCH (LEFT)
M
3
1
WHITE
BROWN
ORANGE
RED
YELLOW
4
3
5
2
4
3
5
2
WHITE
WHITE
WHITE
WHITE
4
3
5
2
TM1 TM2
RED
BLACK
NL3
RED
WHITE
2
1
2
1
RED
WHITE
4
3
2
1
POWER RELAY
4
3
BLUE
INDICATOR PCB
CN208
4
32
WHITE
2
2
WHITE
WHITE
4
3
43
CN204
7
6
5
WHITE
WHITE
WHITE
6
7
5
6
7
5
BROWN
1
RED
1
1
POWER
SOURCE
8
WHITE
8
8
GREEN / YELLOW
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
OUTDOOR UNIT
CHOKE COIL
L1 L2
N2
I O
P
PURPLE
ACTIVE FILTER
MODURE
-
BLACK
D201
DISCHARGE TEMP. THERMISTOR
N1
BROWN
1
1
2
2
ORANGE
3
3
CN11
YELLOW
4
4
5
5
6
6
+
RED
+
ORANGE
BROWN
-
BROWN
BROWN
PIPE TEMP. THERMISTOR
OUTDOOR TEMP. THERMISTOR
BLACK
FUSE
20A-250V
TERMINAL
N L
3
WHITE
RED
BLACK
BLACK
BLUE
BLUE
RED
WHITE
BLACK
GREEN
CN6 CN7 CN17
1
2
1
BLACK
BLACK
BLACK
TM03
TM04
1
1
2
2
CN400
3
3
4
4
CONTROLLER
PCB ASSY
TM01
TM02
1
1
CN60
2
2
1
1
CN61
2
2
121
CN62
2
W4
W2
W1
W3
W3
TM303
TM304
TM305
CN301
TRANSISTOR
PCB ASSY
CN302
CN303
TM301P N TM302
F M
FAN MOTOR
EXPANSION VALVE
PMV
4-WAY VALVE
W
WHITE
V
RED
U
R
(U)
COMPRESSOR
S
C M
BLACK
(V)
C
(W)
5
CN210
RECEIVER PCB
BROWM
RED
ORANGE
YELLOW
GREEN
BLUE
PURPLE
GRAY
WHITE
BLACK
BROWN
RED
WHITE
BLACK
BROWN
RED
YELLOW
BLUE
RED
BLACK
WHITE
YELLOW
BROWN
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
CN12
1
RED
1
1
32
WHITE
WHITE
32
32
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
1
1
2
2
3
3
4
4
5
5
6
6
7
7
121
2
4WV
1
32
CN40
CN41
CN70
CN42
CN800
CN700
CN500
WHITE
WHITE
RED
1
32
1
32
WHITE
BLACK
BLUE
UV-LED
UNIT
1
2
3
4
5
6
7
8
9
1
2
3
1
2
3
4
5
6
7
121
W7
W8
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
3
4
WHITE
4
4
RED
1
2
3
4
5
6
7
8
9
1
2
3
1
2
3
4
5
6
7
2
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
3
2
BLACK
2006.02.06 4
INDOOR PCB CIRCUIT DIAGRAM
Models :
AWHZ14LBC
AWHZ18LBC
CN2
JB-4
CN7
2P-SCN
HUMIDITY SENSOR
1
2
WHITE
3
BLACK
4
1
BLACK
2
BLACK
GRAY
PHR-3
V I N
DO
GND
RHU-222A
PIPE TEMPERATURE THERMISTOR
UV-LED UNIT
BLUE
WHITE
BLACK
RED
F. M.
FAN MOTOR
NH5
RMH-4
BLACK
WHITE
RED
YELLOW
BLUE
RED
WHITE
WHITE
WHITE
TEST
CN17
JB-5
1
2
3
4
5
CN3
1
2
3
4
5
CONTROLLER PCB ASSY
AWHZ14LBC : K05DS-0500HSE-F1
AWHZ18LBC : K05DS-0501HSE-F1
CN4
S5 (6-5) B-XARK
6
5
4
3
2
1
CN11
JC-10
CN9
JC-10
CN15
JZ-11
CN16
JZ-11
OUTDOOR UNIT
TERMINAL
N
L
THERMAL
FUSE 103
BLUE
BROWN
POWER SOURCE
AC220-240V
50 / 62Hz
CN6
2P-SAN
1
BLACK
2
BLACK
ROOM TEMPERATURE THERMISTOR
3
WHITE
RED
TM2
TM1
22007
ZHR-5
ZHR-5
ZHR-5
ZHR-5
4 3
CN206
JB-10
1
2
3
4
5
6
7
8
9
10
CN205
JB-10
1
2
3
4
5
6
7
8
9
10
22007
10
WHITE
9
WHITE
8
WHITE
7
WHITE
WHITE
6
WHITE
5
4
3
WHITE
2
WHITE
RED
1
RED
1
WHITE
2
WHITE
3
WHITE
4
5
6
WHITE
7
WHITE
WHITE
8
9
WHITE
10
WHITE
RED
1
2
WHITE
3
WHITE
4
WHITE
5
WHITE
6
WHITE
7
WHITE
8
9
WHITE
WHITE
10
11
WHITE
RED
1
WHITE
2
WHITE
3
4
WHITE
5
WHITE
6
WHITE
7
WHITE
8
WHITE
9
WHITE
10
WHITE
11
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
RJW-20
RJW-18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
PURPLE
GRAY
WHITE
BLACK
RED
WHITE
WHITE
WHITE
WHITE
RED
WHITE
WHITE
WHITE
WHITE
M
M
M
M
BLACK
K1
CONNECTOR PCB
K05DS-0500HSE-CNO
LOUVER-U
( UP / DOWN )
LOUVER-Z
( UP / DOWN )
LOUVER
( RIGHT / LEFT )
DIFFUSER
B3B-PASK
CN201
B5B-XASK
CN200
B2B-XASK
CN203
JB-6
CN202
JB-4
CN204
S8B-PASK
CN12
WHITE
BROWN
RED
ORANGE
YELLOW
RED
WHITE
RED
WHITE
WHITE
WHITE
WHITE
RED
WHITE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
WHITE
WHITE
ZHR-5
1
2
3
1
2
3
4
5
1
2
1
2
3
4
5
6
1
2
3
4
1
2
3
4
5
6
7
8
M
LIMIT SWITCH-R
JB-8
1
2
3
4
5
6
7
8
CN208
CN207
S2B-PH
1
2
CN210
JB-3
1
RECEIVER PCB ASSY
2
3
K05DS-0500HSE-SO
CLEAN FILTER-R
B5B-XASK
B2B-XASK
WHITE
BROWN
RED
ORANGE
YELLOW
RED
WHITE
ZHR-5
INDICATOR PCB ASSY
K04DU-0500HSD-DO
M
LIMIT SWITCH-L
CLEAN FILTER-L
2006.02.06 5
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