AIR CONDITIONER OPERATION AND PERFORMANCE
Three-minute protection feature
A protection feature is provided that prevents the air conditioner from being activated for approximately 3 minutes when it is restarted immediately after operation or when the power supply switch is set to on. This is used to protect the machine.
Heating characteristics
Preheating operation
The air conditioner does not deliver warm air immediately after it is started.
Warm air flows out after approximately 5 minutes when the indoor heat exchanger has warmed up.
Warm air control
When the room temperature reaches the temperature setting, the fan indoor speed is automatically reduced. The outdoor unit is stopped at this time.
Defrosting
If frost has formed on the outdoor unit during the heating operation, defrosting is started automatically (for approximately 5 to 10 minutes) to maintain the heating effect.
•The fans in both the indoor and outdoor units stop during the defrost operation.
•During the defrost operation, defrosted water is drained from the bottom plate of the outdoor unit.
Heating capacity
In the heating operation, heat is absorbed from outdoors and released into the room. That is called the heat pump system. When the outdoor temperature is too low, usage of another heating apparatus in combination with the air conditioner is recommended.
Consideration for accumulated snow
Select the position for the outdoor unit where it will not be subjected to snow drifts, accumulation of leaves or other seasonal debris. It is important that the air flow of the outdoor unit is not blocked as this will result in reduced heating or cooling performance. During the heating mode and at
Power failure
Power failure during operation stops the unit completely.
•The OPERATION indicator (green) on the indoor unit starts flashing when power is restored.
•To restart operation, push the 
button on the remote control.
•Lightning or a car wireless telephone operating nearby may cause the unit to malfunction. Turn the power supply switch off and then
on again. Push the 
button on the remote control to restart.
Air conditioner operating conditions
For proper performance, operate the air conditioner under the following temperature conditions.
Cooling operation | Outdoor temperature: 10°C to 43°C |
| Room temperature: 21°C to 32°C |
| CAUTION |
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| Room relative humidity — less than 80%. If the air conditioner operates outside this | |
| range, the surface of the air conditioner may attract condensation. | |
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Heating operation | Outdoor temperature: | |
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| Room temperature: | Less than 28°C |
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Dry operation | Outdoor temperature: | 10°C to 43°C |
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| Room temperature: | 17°C to 32°C |
If the air conditioner is used in conditions other than above, the safety protection functions may be activated.
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