Haier AE242FCBKA [96/126] 2 3 1 2 34
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Haier AE242FCBKA [96/126] 2 3 1 2 34

Haier AB092FCBIA [96/126] 2 3 1 2 34
Commercial Air Conditioner Model: AU242FHBIA,
AU482FIBIA, AU48NFIBJA
AU48NFIBJA wiring diagram:
compressor
fan motor
oxygen bar function
4-way valve
solenoid valve
crankcase heater
water pump
radiator temp. sensor
mid-condenser temp. sensor
defrosing temp. sensor
ambient temp. sensor
suction temp. sensor
discharging temp. sensor
Low pressure switch
High pressure switch
Electronic expansion valve
current transducer
Anti-surge relay
Power Supply
Noise Filter
Communication
black
blue
red
white
yellow
green
yellow/green
Color symbol:
symbol symbol
Remarks:
1. CN302 ǃ CN303 areports for
controllers,and will be used in maintenance.
2. Parts in dashed frame are optional.
part name
Control Board
L2
CN201
CN1
CN3
CN2
CN204
CN103
RECTIFIER
CM
CN203
CN211
RY207
RY208
RY209
RY206 RY205 RY204 RY203
CN210 CN210 CN208 CN207 CN206 CN205
RY202
RY201
CN202
OX-P
4-WAY
SV2 SV1
CRANKCASE
HEART
W-P
12345
1
2
3
1
2
3
4
5
5
4
3
2
1
1
2
3
4
5
32 1 32 1 123321321213
1
2
3
4
5
1
2
3
4
5
123
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
201916 1512 11 8 7 4 1
201916 1512 11 8 7 4 1
N
P
UVW
(+)
(
)
(
)()()
CT
UVW
123 45 678 9
CN105
CN305
CN306
CN309
98
7
6
54
321
CN304
B
WR
Y/G
Y/G
R
S
TN
C101 C102 C103
C104 C105 C106
R101
R114
PTC
Lm2Lm1
C1 C2
RY101
1
2
3
1
2
3
4
CN107
CN104
B
BL
R
W
Y
G
Y/G
123
4
12
CM
FM
OX-P
4-WAY
SV
HEAT
W-P
TSINK
Tt
Te
Ta
Ts
Td
0H
0P
EEV
CT
1
2
3
4
5
1
2
1
2
1
2
1
2
1
2
2
1
1
2
1
2
TSINK
Tt
Te
Ta
Ts
Td
0H(L)
0P(H)
CN310
CN318
CN317
CN316
CN315
CN314
CN313
CN312
CN311
CN302
CN301
CN303
CN308 CN307
JP301
12345 12 2121
FM4FM3
T3.15A/250VAC
0010577105
Symbols meaning
symbol
IPM
Power Supply Board
CF1
FAN1
CN212
part name
symbol
L
N
SCLD-P-B-4PDT-C
FAN2
CF2
Fan capacitor
Fan capacitor
AB**2FCBIA wiring diagram:
CN14
32
1
4
CN13
3
6
5
4
7
2
1
10
8
9
1
243
B
A
2
1
10
978
2
3
146
5
liquid pipe temp. sensor
Remote receiver
serial
unit code setting
CN16
CN5
CN1
CN20
CN18
CN25
1PH.220-230V~.50Hz
Indoor unit wiring diagram
electronic
expansion valve
box power supply
and communication
<*
R
R
Indoor control board
CD
2
1
Wired control type
NOTE
˖
Must connect electronic expansion valve box
power and communication from corresponding
indoor,wiring sequence must correspond with
the label respectively,other wise, will cause
PCB of indoor and electronic expansion valve
box not work and damaged.
M
electronic
expansion valve
CN6
423
1
56
23
1
CN11
float switch
1
32
negative ion generator or high
voltage accumulator
23
1
M
pump motor
CN19
CN22
CN4
CN7
FUSE
T3.15A/250VAC
About the PCB setting
and comfort
usage).
Remote control type
Outside EEV type
pump motor,swing motor are
one of type at will.
valve
expansion valve
electronic
So the second bit
of SW03
The dip switch setting when out of factory
fan capacitor
sw02
sw01
sw03
32
1
45
M
CN3
swing motor
M
123
5
4
fan motor
CN8
b
ac
sw01
POW
OPER
BEEP1
LED3
d
TIMCOMP
W
BR
In the diagram,gas pipe temp. sensor,liquid pipe temp.
sensor,room temp.sensor ,indoor fan motor,float switch,
Wired
controller,remote receiver,electronic
are parts matched with
the model(combined usage);
high voltage accumulator
are optional parts for health
˄
combined
Wired controller and remote receiver
only can be chosen
The setting of SW01,SW02 and SW03 :
1.The former three bits of SW01 are used to set unit
number,which are operated by the installer on field .
2.The fourth bit of SW01 is used to choose different
indoor fan speed in heating mode."ON"means that fan
speed can be set as middle and low level,"OFF"means
that fan speed can be set as high,middle and low level.
3.The first bit of SW02 and SW03 is used to choose
wired control type or remote control type.
The unit with wired controller
can make remote operation
on wired controller with remote controller such
as YR-H71 .
"ON"means that the unit with wired controller(other parts
are as the same as remote control unit). And "OFF"is
remote controller.
4.The second bit of SW02 is used to choose built-in or
outside electronic expansion valve setting .
"ON"means built-in type :
"OFF"means outside type:
Attentions:
The CN9 is
CN16 is a serial communication port for service.
refrigerant flow.
expansion valve box(MP3A) control indoor
electronic expansion valve communication,and the
CN25 is connected with
refrigerant flow itself.
and indoor unit control
electronic
CN6 is connected with
is must be set "ON",And CN19,CN22 is not available.
not available .
necessary parts;
expansion
negative ion generator or
gas pipe temp. sensor
indoor power
outdoor
communication
LED1LED2
LED4
emergency
switch
B:Black
BL:Blue
BR:Brown
R:Red
W:White
Y/G:Yellow/Green
0010577029
CN9
2
1
Wired controller
Builtin EEV type
Room temp. sensor
1
2
CN
-96-

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