Haier H-MRV AF092FCBHA, Service Manual

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Setting method with electronic expansion valve outside:
，
CN23 is short connected with a jump wire, CN6 is
Setting method with built-in electronic expansion valve:
expansion valve box(MP3 or MP2) control indoor
expansion valve communication,and the electronic
CN23 is disconnected,CN25 is connected with electronic
other parts are the same as remote control unit
CN17 together with jump
controller with remote controller such as YR-H39)
can make remote operation on wired
The unit with wired controller(equipped with wired
connected with swing motor
4.Cabinet type:CN11 must be short connected
3.Cassette type:connected with float switch
connected with float switch and
1.Ceiling concealed type:CN11 must be short
The unit with remote controller is matched with
controller and receive display only can choose one
combination usage arbitrarily).Wired
accumulator are optional parts for health and
electric heater,negative ion generator,high voltage
Auxiliary
switch,pump motor,swing motor are parts matched
temp. sensor,indoor fan motor,transformer are
In the diagram,gas pipe temp. sensor,liquid pipe
0010573324
"in indoor controll board is
emergency switch(ON/OFF)
indoor fan motor low-speed relay
indoor fan motor Mid-speed relay
indoor fan motor High-speed relay
health function module relay
auxiliary eletric heater relay
indoor fan can be choosed from high,middle and low.
from middle and low."OFF" means that the speed of
"ON" means that the speed of indoor can be choosed
different speed of indoor fan under heating mode.
of 4 position dial switch is used to choose the
temp sensor (CN24) are unuseful now. The fourth bit
Attentions: The water temp sensor (CN9) and indoor
resumable heat
communication
BR:Brown
Y/G:Yellow/Green
W:White
R:Red
BL:Blue
B:Black
outdoor
wired controller
T15A/250VAC
FUSE
indoor,wiring sequence must correspond with
box not work and damaged.
PCB of indoor and electronic expansion valve
the label respectively,other wise, will cause
and communication
box power supply
expansion valve
electronic
power and communication from corresponding
Must connect electronic expansion valve box
：
NOTE
indoor power
1PH.220-230V~.50Hz
connector for float switch
CN11 RL4
10A/250VAC ， 105 ℃
auxiliary electric heater
only applicable for unit with
RL3
RL2
RL1
LED3
LED2
LED1
） red － running （ indicator
） yellow － timer （ indicator
） green － power （ indicator
pump motor relay
swing motor relay
80 10A/250VAC
℃，
protector
auxiliary heater
one-off heat protector
CN17
RL7
RL6
RL5
23 CN
CN16
CN15
serial communication port
controller
short connector for wired
electronic expansion valve
short connector for built-in
SW1
sensor CN5
liquid pipe temp. sensor
）； with the model(combined usage
2
float switch
sensor
indoor temp
controller type
controller type
choice of wired
D C A B
LED3 LED2
choice of remote
LED1
SW1
CN1
receive display PCB
5
64
1
3
2
87
9
sensor
ambient temp.
CN2
1 2
10
CN14
、 Short connect CN15
3
CN20
earthing
M
high voltage accumulator
negative ion generator or
indoor fan motor
Y/G
pump motor swing motor
2
CN4 CN10 CN1
capacitor
fan
R R
3 1 2 1 7 6 2 3 4 5
1
2
CN19 CN12 CN7
M M
connector
1 2 3 1 3 2 1
connected with electronic expansion valve
indoor unit control refrigerant flow itself.
CN3
B R R
1 2
refrigerant flow.
， wire
Indoor control board
RL4
RL5
CN13
RL7 RL6
1 2
9
8
1
2
7
4
5
6
3
4
RL1 RL2 RL3
T3.15A/250VAC
FUSE
unit code setting
24 CN
CN11
serial
CN15
CN16
2
1
1 2
1
3
2
1
2
1
10
CN23
1
2
2
1
： 2.Duct type
W
CN18
CN22
，
controller
， with a jump wire
；
pump motor and swing motor
；
pump motor
transformer
BR
CN25
； connected with a jump wire
receive display:
at will.
（ comfort
expansion valve
electronic
gas pipe temp. sensor
AE07/09/12/14/18/242FCBKA
Indoor unit wiring diagram
M
water
for built-in EEV type
CN9
CN6
6 5
1
3 2 4
34 CN17
temperate
－－－
NOTE:The dashed "
BL BL
CN8
1 2 3
display,electronic expansion valve,float
Wired controller,receive ； necessary parts
About control board outer connector:
PCB inner wiring.
and
：
：
；
、
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