18
Function and Control
Child lock Setting
Press and hold the "
" and "
" buttons at the same time for 5 seconds to enter the child
lockstate. " " is displayed on the LCD. Press the "
" and "
" buttons again for 5 seconds to
exit, otherwise, pressing any other buttons will have no effect.
Note: In child lock state, all buttons except for the "Power" button will be shielded when a fault occurs.
Smart Defrost
In heating mode, when the defrost function is turned on by the controller of an outdoor unit, the air conditioner will automatically turn on
the defrost function and the "defrost" icon is displayed.
Forced Defrost
When powered-on, in the heating mode, and the temperature is set to 16
℃
, press the "
" , "
" , "
" , "
" , "
" , "
"
buttons within 5 seconds (6 button presses) to force the whole indoor unit system into the defrost mode. In this case, the unit enters
the forced defrost mode. The system can exit this mode only when exiting conditions are met, and the other operations are ineffective.
Note:
The forced defrost function can be enabled only when the air compressor of an outdoor unit is operating.
Parameter Search
Press and hold the "
" button on the wired controller for 5 seconds. The temperature display area of the wired controller will display
the searchable parameter code "F00". Then, press the "
" or "
" button to select the parameter to search. The timer area
displays the related parameter value. Press the "
" button to exit parameter searching.
Search Parameter
Code
Parameter Name
Parameter Range
View Mode
F00
Settable parameter entry
-
F03
Search for indoor unit
engineering code and location
1~16
1.The Timer area displays the current indoor unit
engineering code.
2. Location of a faulty indoor unit: Press the "
" button
to access the location of an indoor unit. The buzzer of
the associated indoor unit will sound for 2 seconds.
Press the "
" button to exit location menu. The
buzzer of the current indoor unit will stop.
F05
Search for number of online
indoor units
1~16
F08
Ambient temperature of an
indoor unit
-30 to 90
F11
Ambient temperature of an
outdoor unit
-30 to 90
Unit Parameter Setting
Press and hold the "
" button on the wired controller for 5 seconds. The temperature display area of the wired controller will display
the searchable parameter code "F00". Then, press and hold the "
" button on the wired controller again for 5 seconds to enter the
parameter setting interface and the temperature display area will show a flashing "A00". Press the "
" or "
" button to select the
parameter to set and then press the "
" button. The timer area displays the parameter value to set and flashes. You can press the
"
" or "
" button to change the parameter and finally, press the "
" button to complete the setting and return to the previous
menu.
