Other Function
You can use the Lock function on the control panel of the indoor unit.
1Press the 
buttons simultaneously for 3 seconds.
Result: u 
indicates on the control panel. u The control panel is locked.
Note You can use the remote control even if the control panel is locked.
2 To cancel the Lock function, press the 
buttons simultaneously for 3 seconds once again.
Operating Recommendations
Here are a few recommendations that you should follow when using your air conditioner.
Topic | Recommendation |
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Heating performances | The heat pump inside the air conditioner absorbs heat from outside | ||
| air and brings it indoors. If the temperature of the outside air drops, | ||
| the air conditioner will heat less. |
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Warm air circulation | The air conditioner circulates warm air to heat your room; as a result, | ||
| some time will be required after starting the air conditioner to warm | ||
| the entire room. If necessary, set the air conditioner on before you | ||
| wish to use the room. |
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Frost | When outside temperatures are low and humidity is high, frost may | ||
| form in the outdoor unit when heating is selected. | ||
| If this happens: |
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| The heating operation is stopped. |
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| The Defrost( ) mode is triggered automatically for about | ||
| 7 minutes. |
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| No intervention is required from you; after about 7 minutes, the air | ||
| conditioner starts operating again normally. |
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High indoor and outdoor | If both the indoor and outdoor temperatures are high and you select | ||
temperatures | the Heat mode, the outdoor unit’s fan and compressor may stop at | ||
| times. |
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| This is normal; simply wait until the air conditioner switches on | ||
| again. |
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Power failure | If a power failure occurs when the air conditioner is operating, | ||
| the unit is switched off. |
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| When the power returns, you must press the |
| (On/Off ) button to |
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| restart it. |
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