Altech ATE-053DCIMX05, Technical & Service Manual

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7 Electronic control function
7.1 Electric Control working environment.
7.1.1 Input voltage: 175~253V.
7.1.2 Input power frequency:50Hz.
7.1.3 Indoor fan normal working amp. is less than 1A.
7.1.4 Outdoor fan. Normal working amp. is less than 1.5A.
7.1.5 Four-way valve normal working amp. is less than 1A.
7.1.6 Swing motor: DC12V.
7.2 Icon explanation on indoor display board.
7.2.1 Run indicator
Flash at 0.5Hz when the unit is standby. Illuminate when the unit is turned on.
7.2.2 Auto indicator
Illuminates when the air conditioner is in AUTO operation.
7.2.3 Timer indicator
Illuminate when TIMER is set ON/OFF.
7.2.4 Defrost Indicator
Illuminate when the air conditioner starts defrosting automatically or when the warm air
control feature is activated in heating mode.
7.2.5 TEMPERATURE indicator
Usually it displays the temperature settings. When change the setting
temperature, this indicator begins to flash, and stops 20 seconds later. It
displays the room temperature when the air conditioner is in FAN only operation,
and the range of that is 0~50 . It will also display the error codes when
malfunction or protection happen.
7.2.6 Frequency indicator
This indicator appears only when the compressor is in operation and indicates the current operating
frequency.
7.3 Outdoor unit’s digital display tube
There is a digital display tube in outdoor PCB.
7.3.1 Digital display tube display function
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In standby , the LED displays “- -”
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In compressor operation, the LED display the running frequency,
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In defrosting mode, The LED displays “dF” or alternative displays between running
frequency and “dF”(each displays 2s)
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In compressor pre-heating, The LED displays “- -”
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In protection or malfunction, the LED displays error code or protection code.
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