37
12.10 Cooling Overload Control
•
Pipe temperature limitation / restriction.
o
Detects the outdoor pipe temperature and carry out restriction / limitation below (Limit the compressor
operation frequency)
o
The compressor stops if outdoor pipe temperature exceeds 61°C.
o
If the compressor stops 4 times in 20 minutes, Timer LED blinks (“F95” indicated: Outdoor high pressure rise
protection)
12.11 Freeze Prevention Control
•
When indoor heat exchanger temperature is lower than 0°C continuously for 6 minutes, compressor will stops
operation.
•
Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 13°C.
•
At the same time, indoor fan speed will be higher than during its normal operation.
•
If the indoor heat exchanger temperature is higher than 13°C for 5 minutes, the fan speed will return to its normal
operation.
12.12 Freeze Prevention Control 2
•
Control start conditions
o
During Cooling operation and soft dry operation
During Thermo OFF condition, Indoor intake temperature is less than 10°C or
Compressor stops for freeze prevention control
o
Either one of the conditions above occurs 5 times in 60 minutes.
•
Control
contents
o
Operation
stops
o
Timer LED blinks and “H99” indicated
12.13 Dew Prevention Control
•
To prevent dew formation at indoor unit discharge area.
•
This control will be activated if:
o
Cooling mode or Quiet mode is activated.
o
Remote control setting temperature is less than 25°C.
o
Fan Speed is at CLo or QLo.
o
Room temperature is constant (±1°C) for 30 minutes.
o
Compressor is continuously running.
•
Fan speed will be adjusted accordingly in this control.
o
Fan speed will be increased slowly if the unit is in quiet mode but no change in normal cooling mode.
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