Panasonic CS-E18NKUA, Service Manual

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12.1.5 Automatic Operation
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This mode can be set using remote control and the operation is decided by remote control setting temperature,
remote control operation mode and indoor intake air temperature.
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During operation mode judgment, indoor fan motor (with speed of Lo-) is running for 30 seconds to detect the
indoor intake air temperature.
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Every 10 minutes, the indoor temperature is judged.
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For the 1st judgment
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If indoor intake temperature - remote control setting temperature ≥ 3.6°F, COOL mode is decided.
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If -3.6°F ≤ indoor intake temperature - remote control setting temperature < 3.6°F, DRY mode is decided.
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If indoor intake temperature - remote control setting temperature < -3.6°F, HEAT mode is decided.
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For the 2nd judgment onwards
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If indoor intake temperature - remote control setting temperature ≥ 5.4°F, if previous operate in DRY mode,
then continue in DRY mode. Otherwise COOL mode is decided.
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If -3.6°F ≤ indoor intake temperature - remote control setting temperature < 5.4°F, maintain with previous
mode.
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If indoor intake temperature - remote control setting temperature < -3.6°F, HEAT mode is decided.
12.2 Indoor Fan Motor Operation
12.2.1 Basic Rotation Speed (rpm)
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Manual Fan Speed
[Cooling, Dry]
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Fan motor’s number of rotation is determined according to remote control setting.
Remote control ○ ○ ○ ○ ○
Tab Hi Me+ Me Me- Lo
[Heating]
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Fan motor’s number of rotation is determined according to remote control setting.
Remote control ○ ○ ○ ○ ○
Tab Shi Me+ Me Me- Lo
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Auto Fan Speed
[Cooling, Dry]
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According to room temperature and setting temperature, indoor fan speed is determined automatically.
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The indoor fan will operate according to pattern below.
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During operation, indoor fan motor may stop due to odor prevention.