Haier AU482FIBHA - Page 21

20
Abnormal test run
Turn rotary switches SW01, SW02of control panel to "0", nixie light displays malfunction code. If no malfunction
exists, it displays "-". Confirm the check code displayed, then check the position which the check code corresponding
to according to [Trouble shooting] item of installation specification.
Critical concentration is a noxious gas concentration that is not so harmful to personnel but needs to treat urgently.
The critical concentration of R22/R407C is 0.3kg/m
3
1. Precautions of refrigerant leakage
The air conditioner system uses R22/R407C as its refrigerant which itself is no harm to human body and nonflammable
safety refrigerant. But the room for installing the system should reach a certain space in order to avoid exceeding
critical concentration in case of leakage. Other precautions could be taken also.
OFF
OFF
OFF
ON
ON
OFF
ON
ON
SW03
1
SW03
2
J08
J07
FORMAT1 : 0.8 1 1.2 1.5 2 2.5 3 4 (HP)
FORMAT2 (Compatible former indoor units):1 2 3 4 5 6 7 8 (HP)
J10
2. Function explanation of switch SW03 of control panel of outdoor unit.
Function explanation
In general, i.e. indoor units determine the operating mode of outdoor unit.
Cooling only type
Heating only type
In general, same as above
3. Function explanation of jumper wire of control panel of outdoor unit
Corrected grade of compressor capacity
Grade 6
Grade 4
YES
NO
Permission setting of capacity over loading of indoor units
Capacity of indoor units could not exceed 130% of rated capacity of outdoor unit. NOTICE: When
detecting excess, outdoor unit will stop and give an alarm to indoor units.
Capacity permission of indoor units exceed 130% of rated capacity of outdoor unit
YES
NO
YES
NO
Choose of the capacity of indoor units
4. Trial run by switches combination of outdoor unit
Function
Outline
Method of setting and discharging
Setting of
rated
operation
mode of
outdoor
unit
Let the outdoor unit in
rated operation mode by
setting the switches on
control panel of outdoor
unit
[Setting]
Set SW01 to 1, SW02 to 11 and press SW04 for over 2 seconds.
Nixie light with seven segments displays "FF", setting succeeds. "FF" will keep when
operating.
[Discharge]
Switch off
Others and Test Run