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blowing 15 minutes then back to original cooling angle. Default fan speed is high but
speed and flaps angle can be controlled.
4.2.7 Anti-freeze protection
4.2.7.1 Condition for anti-freeze interruption: When the indoor heat exchanger
temperature is below the Anti-freeze Interruption Temperature（2℃） and maintains
for 10 s, the system is interrupted for the anti-freeze.
Action of anti-freeze interruption: The compressor is interrupted, the outdoor fan
stops and the indoor fan remains running.
Condition for anti-freeze lift: When the indoor heat exchanger temperature rises to
the Anti-freeze Releasing Temperature(8℃), the anti-freeze interruption is lifted.
4.2.8 Compressor discharge temperature too high protection
4.2.8.1 Conditions for the compressor discharge interruption protection: The
compressor discharge temperature is above or equal to 115
the compressor discharge interruption protection is activated.
Action of the compressor discharge interruption protection: Prompts are made on the
indoor display screen and with the outdoor indicator light and the compressor stops.
Conditions for the compressor discharge interruption protection lift: When the
compressor discharge temperature drops below 92
interruption protection is lifted.
4.2.9 Overcurrent protection in cooling:
4.2.9.1 Conditions for overcurrent protection: When the current rises above or at the
Interruption Current Value for the Cooling Current Protection （23A） and maintains for
10 s, the overcurrent protection is activated.
Action of the overcurrent protection: Prompts are shown on the screen on the indoor
unit and by the indicator light on the outdoor unit. The compressor stops.
Conditions for overcurrent protection lift: When the current drops below the Value of
the Current for the Cooling Current Protection Lift（16A,）, the overcurrent protection
is lifted.
4.3 Heating-run mode
4.3.1 Temperature compensation
Principle for compensation: The compensation is available only if the proper sensor is
used and it is not available when it is subject to the sensor on the remote controller or
line controller.
4.3.2 Indoor fan
The fan speed is set at the high, medium or low fan speed, it operates at a preset
speed (in the cold air prevention, it is forced to run at the ultra-low flowrate or stop).
When the fan speed is set in the auto-run, the fan speed setting is made according to
the room temperature differences (except for the cold air prevention).
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