Electric Controll Functions - Haier FCB-051BCN2A Servise Manual

9.Brief Introduction of Electric controll functions
9.1 Control system features
Can be controlled with outdoor unit simultaneously (The relative outdoor unit must have this function too)
9.2 Signal LED functions：
LED of infrared remote control type includes: RUN, TIMER, COMP, PUMP. RUN LED also can be used
as Failure LED.When the system startup, RUN LED is on, and if the system stops running ,RUN LED will
be off .If the TIMER or SLEEP function has been set, TIMER LED will be on , or it will be off. When the
compressor starts to run after being electrified, COMP LED will be on , or it will be off.When the water
pump starts to run after being electrified, PUMP LED will be on , or it will be off .If the system failure
occurs,the LED will flash regularly, please refer to the Trouble diagnose according to the flash times.
9.3 Control features
(1) AUTO Function：
In AUTO mode , system can feel the temperature automatically，and change the running mode
automatically according to the user's comfort .then adjust the room temperature,the user can always
stay in a comfortable environment.
(2) Auto Restart Function
If the power supply cut off suddenly or the other reasons cause the system stop, the unit will
automaticlly recover the previous running mode once the power supply is on.
To set the AUTO restart function:press the SLEEP button 10 times within 5 seconds continuously,
system enters AUTO Restart state.To cancel this function : when the unit in this mode ,press the
SLEEP cutton 10 times within 5 seconds continuously,then the auto restart function is cancelled.
(3) TIMER Function
System running time can be set by the detector and the timer, this intelligentized function would
make the user more comfortable .
(4) AUTO check function
Unit can check the failure automatically, and show the failure by failure code or flashing LED, easy
to analyze and resolve the problem.
（5）Anti-cold air in heating mode
In heating mode, according to the coil temperature ,unit can estimate the temperature of outlet air
flow automatically to avoid the cold air blowing out , the user would feel more comfortable.
9.4 System protection
Communication failure
Indoor PCB will not be controlled by the operation panel compulsorily, and the PCB will not alarm
because of the communication failure with the operation panel.
When the operation panel can not communicate with the indoor PCB normally, the operation panel
will alarm.
Indoor PCB can be controlled by remote controller or wired controller; also it has hold-on function.
Commercial Air Conditioner
28
Model:Cassette type Fan Coil