Filter
Top Products
F4
1.1. Operation / Filter Reset Button.
Operation
By pushing this button, one of the following two air-con operations are selected.
a) AUTOMATIC operation Selecting this operation is equivalent to selecting Auto mode,
auto fan speed control and auto vane function in manual
operation. The set temperature is internally fixed at 22°C and
cannot be changed.
This operation is useful when the hand held transmitter is lost
or faulty.
b) OFF operation The air-con will be switched off. The hand-held transmitter will
not be able to control the operation of the Air-con.
Note that the ac. power supply is still connected to the receiver module of the electronic
controller although the air-con is switched off.
This reset button selection is cyclic between AUTOMATIC – OFF.
Filter Reset
Whenever the Air-con is switched on, the air filter usage time will be monitored by the
microcontroller. When the period of usage reaches 500 hours, the red LED on the LED board
will light up to indicate that the air filter is dirty. The filter should then be removed and
cleansed.
To extinguish the red LED after cleansing and replacing the filter, press and hold the
Operation / Filter reset switch for 3 seconds. A beep sound will be heard after 3 seconds to
indicate that the red LED has been extinguish.
1.2. RFI Filter
This is built into the main receiver board to remove RFI from the AC power supply. RFI filter
could be removed provided that the EMC test result was satisfactory.
2. LED Board
Three LEDs on the board provide the following indications :
a) Power on/Defrost (green) LED Lights up when power on.
It blinks at approximately 60 times per minute
during de-icing.
b) Timer activated (yellow) LED Lights up upon activation of either one or both
of the START/STOP timers.