Panasonic CS-E18NKUA, Service Manual

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ƒ During quiet operation, if ON timer activates, quiet operation maintains.
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After off, when on back, quiet operation is not memorised.
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Control contents
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Auto fan speed is change from normal setting to quiet setting of respective fan speed. This is to reduce
sound of Hi, Me, Lo for 3dB.
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Manual fan speed for quiet operation is -1 step from setting fan speed.
12.6 Quiet Operation (Heating)
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Purpose
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To provide quiet heating operation compare to normal operation.
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Control condition
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Quiet operation start condition
ƒ When “Quiet” button at remote control is pressed.
Quiet LED illuminates.
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Quiet operation stop condition
ƒ When one of the following conditions is satisfied, quiet operation stops:
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Powerful button is pressed.
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Stop by OFF/ON button.
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Timer “off” activates.
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Quiet button is pressed again.
ƒ When quiet operation is stopped, operation is shifted to normal operation with previous setting.
ƒ When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed.
ƒ When operation mode is changed, quiet operation is shifted to quiet operation of the new mode.
ƒ During quiet operation, if timer “on” activates, quiet operation maintains.
ƒ After off, when on back, quiet operation is not memorised.
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Control contents
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Fan speed auto
ƒ Indoor FM RPM depends on pipe temperature sensor of indoor heat exchanger. Auto fan speed is
changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of Hi, Me,
Lo for 3dB.
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Fan speed manual
ƒ Manual fan speed for quiet operation is -1 step from setting fan speed.
12.7 Powerful Mode Operation
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When the powerful mode is selected, the internal setting temperature will shift lower up to 3.6°F (for Cooling/Soft
Dry) or higher up to 6.3°F (for Heating) than remote control setting temperature for 20 minutes to achieve the
setting temperature quickly.