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13.2.5. Freeze Prevention Control 1
1. When indoor heat exchanger temperature is lower than 0qC continuously for six minutes, compressor will stop operating.
2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 13qC.
3. At the same time, indoor fan speed will be higher than during its normal operation.
4. If indoor heat exchanger temperature is higher than 13qC for five minutes, the fan speed will return to its normal operation.
13.2.6. Freeze Prevention Control 2
1. Control start conditions
• 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
• Either one of the conditions above occurs 5 times in 60 minutes.
2. Control contents
• Operation stops.
• Timer LED blinks and “H99” indicated.
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