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3. Multi protective function
3.1 Anti-freezing protecting control:
When the ambient temperature is low while in Cooling Mode, the compressor and water
motor will stop working if the copper coil temperature reaches <2
℃
for over 20 seconds. When
the copper coil temperature increases to >8
℃
, the protection will be stopped automatically.
3.2
、
Water-full protection:
When the water level in the internal water tank is surpassing the maximum level, the unit
will alert automatically and “P1” will flash on the LED screen. Please discharge water in the
machine according to “Water Drainage” instructions
3.3 Compressor delay-protection
Except for the first power-on, (or when changing from Cooling to Heating mode) the
compressor can start instantly. The compressor also runs under a 3 minute delay protection
function.
3.4 Compressor protection
In cooling, dehumidifying and heating mode, if the temperature difference between the
coil temperature and room temperature is less than 3
℃
, for more than 30 minutes, the
machine will enter ‘no refrigerant’ compressor protection mode. The compressor and
water pump motor will stop working. Normal operation will resume in due time.