Haier AE092FSAHA Wiring Manual

Electric wiring

NOTE: 1. Ceiling concealed type must be connected MP2A or MP3A
( ).
TES indoor units not included
2. Connect method of MP3A is follwing
Outdoor Indoor
Outdoor control circuit
Y/G
L N C1 C2
Short circuit protector
outdoor power supply
"Indoor 1"
1PH.220-230V~.50Hz
control board
Y/G
W B R
C1 C2
1 2 3
Indoor power supply
1PH.220-230V~.50Hz
NOTE
1.The power supply and communication wiring of indoor electronic expansion valve must be connected with their
corresponding indoor unit.And their phase sequence must correspond with the remarks strictly respectively, or will
cause control board of indoor unit and electronic expansion valve box abnormal or damaged.
2.Because the power supply of MP3A control board is joined from "indoor 1","indoor 1" must be always electrified in
running mode, or will cause performance abnormal.
3. MP3A wiring and indoor wiring: H05RNF 4 x (1.0-1.5)mm

Field setting

Field setting the unit number
In order to realize central control of the MRV air conditioning system, its necessary to set
the indoor unit number (control address).
Indoor unit number setting
Indoor unit number setting switch and confirmation of the settings.
There is a 4-position dial switch for setting the indoor unit number and fan speed level on
the computer board of the indoor unit.
Setting way is as follows:
Before connecting the power supply, please set the indoor unit number manually according
to the following table
Matrix of the dial switch and indoor unit number
Position 1 Position 2 Position 3 Representing unit number
0 0 0
1 0 0
0 1 0
1 1 0
0 0 1
1 0 1
0 1 1
1 1 1
SW02 SW03
ON ON
Example: Example:
OFF
D
Electronic expansion valve
driver board(MP3A)
B W BR B W BR B W BR
Y/G
L1 N1 C1 L2 N2 C2 L3 N3 C3
"Indoor 2" "Indoor 3"
control board control board
Y/G Y/G
W B R W B R
C1 C2 C1 C2
1 2 3 1 2 3
Indoor power supply Indoor power supply
1PH.220-230V~.50Hz 1PH.220-230V~.50Hz
2 ,H05RNF 3x(1.0-1.5)mm 2 .
SW01
ON
: 0
Example:
: 1
1
OFF
2
1 0 0 1
3
4
5
6
Pos.1 Pos. Pos. Pos.
2 3 4
7
8 Setting for No. 2 indoor unit
"ON" means that the indoor unit fan
speed can be choosed to middle and low
level. "OFF" means that the indoor unit
fan speed can be choosed to high, middle
and low level.After producing in plant ,
the position is "OFF".
OFF
0010573683

Specifications

1. Applicable ambient temperature range:
DB C
Indoor
WB C
Cooling
DB C
outdoor
WB C
DB C
Indoor
Heating
WB C
outdoor DB C
WB C
2. Error display
Indoor unit malfunction display code
Indoor unit malfunction Display code
Float switch or water motor abnormal E0
Outdoor unit abnormal E1
E3
Liquid temperature sensor is abnormal
Gas temperature sensor is abnormal
E4
Indoor unit adress abnormal
E5
(Firstly you saw E5 in controller LCD,
and then the failure code is changed
from E5 to E9)
Indoor unit EEPROM data is abnormal E6
Remote controller Timer and Operation indicator malfunction code
When the unit running, Timer indicator flash stand for indoor unit malfunction
Timer indicator
Indoor unit malfunction
Flashing times
Flashing once The liquid tube temperature sensor is abnormal
Flashing twice
The gas tube temperature sensor is abnormal
Flashing 3 times The environment temperature sensor is abnormal
Flashing 4 times The communication with outdoor unit is abnormal
The ommunication with the electronic expansion valve control board is abnormal
Flashing 5 times
Flashing 10 times Indoor unit PG fan motor is abnormal
Flashing 11 times Indoor unit water overflow or float switch is abnormal
Flashing 12 times Indoor unit EEPROM data is abnormal
Outdoor unit malfunction display code
When the wire remote controller display E1,Can check the outdoor unit control board LED1 or outdoor
unit malfunction display code to sure outdoor unit malfunction.
When the operation indicator flashing stand for outdoor unit malfunction,Operation indicator flashing
times can't determinant outdoor unit malfunction ,You must check the outdoor unit control board LED1
flashing times or outdoor unit malfunction display code to sure outdoor unit malfunction.
Others malfunction manual plese read the outdoor unit manual.
Please keep this manual carefully and safely.
Rated Maximum Minimum
27 32 18
19 23 14
35 43 -5
24 26 --
20 27 15
14.5 -- --
7 21 -15
6 15 --
Indoor unit malfunction Display code
The communication with electronic E7
expansion box is abnormal
The communication between the E8
wire remote controller and indoor
unit control board is abnormal
The communication between indoor E9
and outdoor unit is abnormal
Water temp. sensor is abnormal EB
0010573683 D