Panasonic CS-E15CKP Service Manual page 32

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CS-E15CKP CU-E15CKP5
8.2.24. Quiet operation (Cooling Mode/Cooling area of Dry Mode)
A. Basic Policy
a.
There shall be some difference between actual listening of normal operation & quiet operation.
For Hi & Me, Sound level at quiet operation is set -3dB vs normal operation.
b.
For Lo Cool, if fan speed of quiet Lo is too low, refrigerant sound become obvious, therefore sound level of Quiet Lo is set -2dB vs Lo Cool.
c.
For Lo Heat, to prevent compressor overload, fan speed is not set too low, sound level at quiet Lo operation is set -2dB vs normal Lo
operation.
B. Purpose
To provide quiet cooling operation compare to normal operation.
C. Control condition
a. Quiet operation start condition
• When "quiet" button at remocon is pressed.
Quiet LED illuminates.
b. Quiet operation stop condition
1. When one of the following conditions is satisfied, quiet operation stops:
a. Quiet powerful, button is pressed.
b. Stop by OFF/ON switch.
c. Timer "off" activates.
d. When change mode to fan only mode.
2. When quiet operation is stopped, operation is shifted to normal operation with previous setting.
Quiet LED off.
3. When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed.
4. When operation mode is changed, quiet operation is shifted to quiet operation of the new mode, except fan only mode.
5. During quiet operation, if timer "on" activates, quiet operation maintains.
6. After off, when on back, quiet operation is not memorised.
D. Control contents
a. Air flow volume manual
1. Fan speed is changed from normal setting to quiet setting of respective fan speed.
This is to reduce sound of Hi & Me for 3dB & Lo for 2dB.
2. Quiet setting of fan speed is as shown in the following table. (Cool and fan mode)
b. Air flow volume Auto
1. Odor cut control at normal operation, except selected fan speed is the quiet setting of the respective speed.
Normal Operation
E9CKP
RPM
1.0 HP
Quiet Hi
Hi-100
Quiet Me
Me-100
Quiet Lo
Lo-100
E12CKP/E15CKP
1.5 HP
Hi-100
Me-100
Lo-100
32

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