American Comfort ACW800CH, Owner'S Manual

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Multi Protective Function
9
Freeze Prevention Control
When the ambient temperature is very low under Cooling and Dehumidifying Mode, the
compressor and water motor will stop working if the copper coil temperature Tp <2º after
the compressor continued to work for 10 minutes, the LCD Display E4; when copper coil
temperature will increase>8º, the protection will be dis-functioned automatically, and restore
to foregoing mode for Compressor Three-minutes Delay protection function. It is strongly
suggested not to use cooling or dehumidifying mode when the temperature is too low.
Water-Full Water Level Protection
Water-level protection is done by the water-level switch. Water-level switch is always closed,
and it will open when the protection function runs.
a) When checking the water-level protection, compressor must work. After 10 seconds
moving, the water-level switch will go to stability that is water-level protection.
b) When the water-level is higher than the protective water-level, the water-level switch will
move( compressor is at work), the LCD displays “P2”, pls drainage (the way of drainage as
below 5th).
Auto Overheat Protective Function
To use for longer time, this model have auto overheat protective function in heating mode,
it can protect compressor and down motor effectively (stop them working) when unit
temperature back to normal, unit will back to working again.
Compressor Delay-Protection
Except of the � rst power-on, the compressor can work at once, in other cases;
the compressor runs under 3 minutes delay protection.
Energy Saving:
Press any key on the control panel, background light will turn off after 10 seconds.
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