1.Control Starting Condition
a.Total Current is below 0.74 ~ 0.94 Amp.
b.Operating Frequency is 72 Hz (E18CK), 95 Hz (E21CK) +1 and above.
c.Continuously for 20s.
2.Control Contents
a.Abnormal signal transmitted to indoor unit after 3 minutes outdoor power is supplied. (Indoor unit stop)
3.Control Cancellation Condition Starting condition, (1) is not fulfilled.
8.2.1.8.Low Frequency Protection Control 1When the compressor operate at frequency lower than 22 Hz for 240 minutes, the operation frequency will be increased to 22 Hz for two minutes.
8.2.1.9.Low Frequency Protection Control 2When all the below conditions occur, minimum value (Freq. MIN) for the frequency instructed to compressor will change to 30 Hz.
Temperature, T, for: | Cooling/Soft Dry |
| Heating |
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Indoor intake air (°C) | T | 15 or T | 30 | T | 14 or T | 28 |
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Outdoor air (°C) | T | 13 or T | 38 | T | 4 or T | 24 |
Indoor heat exchanger (°C) |
| T 30 |
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| T 0 |
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•During cooling operation (Anti Freezing control, soft dry) carry out the following operation.
1.During remote control setting is less than 28 deg
Indoor Fan Speed |
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Above Hi | minHz = | 21 |
Above Me- | minHz = | 21 |
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Less than Me- | minHz = | 18 |
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Auto | minHz = | 16 |
2. During Powerful ON
minHz = | 22 |
However, when less than thermo OFF for 120 sec. continuously, the above control will be cancel.
•During heating operation, operate the followings control.
1.During Remote Control setting is less than 18 deg
Indoor Fan Speed |
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Above Hi | minHz = | 30 |
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Above Lo | minHz = | 25 |
Less than Lo | minHz = | 15 |
2. During Powerful ON
minHz = | 35 |
However, when less than thermo OFF for 100 sec. continuously, the above control will be cancel.
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