Haier AU482FIERA Installation & Maintenance Instructions Manual page 34

(3) Function explanation of switch SW01, SW02. We can know the number of some parameters by using testing
device, but must to connect the testing device. Which is not in the control board. The testing device must be bought
from manufacturer.
SW01 SW02 Display of numeral pipe light with seven segments
Error code of outdoor unit display, "--" displayed normally. For 0151800123A PCB, 150/180
0
displayed for AU48/60
1 Operation mode of outdoor units: Cooling: -C, Heating: -H
2-3 No used
4 Target of operating frequency of compressor (Decimal number)
0
5 Actual operating frequency of compressor (Decimal number)
6 Indoor units connected (Decimal number)
7-13 No used
14 Compulsory cooling: 0; compulsory heating: 1; without compulsory operation: --
15 Adjust frequency by hand, display the set frequency; without set manually, --
0 Sensor TD air discharge value (°C)(decimal number)
1 Sensor TA environment temp. value (°C)(decimal number)
2 Sensor TS air suction value (°C)(decimal number)
3 Sensor TE defrost value (°C)(decimal number)
4 Sensor TC middle part of Condenser value (°C)(decimal number)
5 Module temperature (new function with 0151800123A PCB)
6 No used
7 Opening of outdoor unit PMV (decimal number)
1
8 Magnet valve SV2: ON:1 OFF: 0
9 Magnet valve SV1: ON:1 OFF: 0
10 Current value of compressor when operating (decimal number)
11 Blower fan mode of outdoor Low speed: -1 Medium speed:-2 High speed:-3
12 No used
13 On position of 4-way valve display: ON: 1, OFF: 0
14 Bus voltage (Hitachi communication module does not contain this information, a fixed value)
15 Overheat value
0 Target frequency
1 Current frequency
2 Discharging frequency
3 Low pressure protection frequency in heating mode
4 Indoor coil average temperature
5 Unit model selection
2
6 Fan speed (new function with 0151800123A PCB)
7 Target fan speed of top fan motor (max. 999)(new function with 0151800123A PCB)
8 Current fan speed of top fan motor (new function with 0151800123A PCB)
9 Target fan speed of down fan speed (max. 999)(new function with 0151800123A PCB)
10 Current fan speed of down fan motor (new function with 0151800123A PCB)
11-15 No used
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