Panasonic CS-TE9DKE / CU-TE9DKE / CS-TE12DKE / CU-TE12DKE Service Manual ▷ View online
9.5.2. Quiet operation (Heating)
A. Purpose
To provide quiet heating operation compare to normal operation.
B. Control condition
a. Quiet operation start condition
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When “quiet” button at remote control is pressed.
Quiet LED illuminates.
Quiet LED illuminates.
b. Quiet operation stop condition
1. When one of the following conditions is satisfied, quiet operation stops:
a. Powerful button is pressed.
b. Stop by OFF/ON switch.
c. Timer “off” activates.
d. When change mode to ION only mode.
b. Stop by OFF/ON switch.
c. Timer “off” activates.
d. When change mode to ION only mode.
2. When quiet operation is stopped, operation is shifted to normal operation with previous setting.
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 ION only mode.
5. During quiet operation, if timer “on” activates, quiet operation maintains.
6. After off, when on back, quiet operation is not memorised.
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 ION only mode.
5. During quiet operation, if timer “on” activates, quiet operation maintains.
6. After off, when on back, quiet operation is not memorised.
C. Control contents
a. Fan Speed manual
1. Fan speed is changed from normal setting to quiet setting of respective fan speed.
1. 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.
2. Fan speed for quiet operation is -100 rpm from setting fan speed.
3. Fan Speed Auto
3. Fan Speed Auto
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If FM
Lo
-100 rpm reduce from normal Heating Auto Fan Speed
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If FM
Lo
maintain RPM
Indoor FM RPM depends on Piping temp sensor of indoor heat exchanger.
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CS-TE9DKE CU-TE9DKE / CS-TE12DKE CU-TE12DKE
9.6. Indoor Fan Control
9.6.1. Fan Motor Control
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Fan speed is controlled according to operation conditions such as fan speed setting on the remote controller as shown in the
table below.
table below.
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There is a different speed control from setting on the remote controller.
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When Dry operation is selected, in the Cooling area, fan speed will be switched to one at Cooling mode and in the Dry area,
it will be switched to one at Dry mode.
it will be switched to one at Dry mode.
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Indoor fan operates in Quiet and Quiet Control indicated in the table below by pressing the QUIET button on the remote
controller.
controller.
CS-TE9DKE
Cooling and Dry Operations
Heating Operation
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CS-TE9DKE CU-TE9DKE / CS-TE12DKE CU-TE12DKE
CS-TE12DKE
Cooling and Dry Operations
Heating Operation
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CS-TE9DKE CU-TE9DKE / CS-TE12DKE CU-TE12DKE
9.6.2. Cooling Operation
1. Automatic Fan Speed
Odour Cut Control is equipped with this model. Fan is temporarily stopped for 40 seconds at the beginning of unit operation or
Thermostat-ON in order to wash away odour ingredients from heat exchanger with dehumidifying water.
Thermostat-ON in order to wash away odour ingredients from heat exchanger with dehumidifying water.
Conditions of Control Starting
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When Cooling fan speed is “Auto”,
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When conditions other than Defrost control,
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When indoor Pipe temperature is in the area shown in the figure below,
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When operations other than Powerful operation,
Items to be controlled
According to Intake air - Setting temperature differences, indoor fan speed is adjusted by revolution speed correction of
automatic normal fan speed as shown in the graph below.
According to Intake air - Setting temperature differences, indoor fan speed is adjusted by revolution speed correction of
automatic normal fan speed as shown in the graph below.
In addition, fan speed will be reduced to MIN rpm under the following conditions:
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Neural control stability
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[Intake air temp. - Indoor Pipe Temp.] < 13 °C
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Operating frequency < 25 Hz
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CS-TE9DKE CU-TE9DKE / CS-TE12DKE CU-TE12DKE
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