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9.5.2. Quiet operation (Heating)
A. Purpose
To provide quiet heating operation at limited fan speed which lower than Manual Low Fan Speed. (See 9.6 Fan Motor Operation
table.)
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It improves the operation noise approximately 3dB compared to Manual Low Fan Speed.
B. Control condition
a. Quiet operation start condition
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When QUIET button at remote control is pressed.
(QUIET is approved on LED at remote control.)
b. Quiet operation stop condition
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One of the following conditions is satisfied, QUIET operation is to be concealed.
1. Repressing QUIET button during quiet operation.
2. Pressing POWERFUL button.
3. Pressing FAN SPEED button, the operation is to be shifted to the selected fan speed.
4. Changing the operation mode to IONIZER only operation.
5. Stopping the operation by OFF/ON button and/or OFF Timer.
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CS-HE9DKE CU-HE9DKE / CS-HE12DKE CU-HE12DKE