Panasonic CS-PC7KKD / CS-PC9KKD / CS-PC12KKD / CU-PC7KKD / CU-PC9KKD / CU-PC12KKD Service Manual ▷ View online
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9. Operation Control
9.1 Cooling
Operation
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Cooling Operation can be set using remote control.
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This operation is applied to cool down the room temperature to the setting temperature set on the
remote control.
remote control.
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The remote control setting temperature, which takes the reading of intake air temperature sensor, can
be adjusted from 16℃ to 30℃
be adjusted from 16℃ to 30℃
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During cooling operation, the compressor will stop and restart as shown in figure below:
9.1.1
Time Graph for Cooling Operation.
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9.2 Soft Dry Operation
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Soft Dry Operation can be set using remote control.
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Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room.
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When selecting Soft Dry operation, the operation will be cooling until the room temperature reaches the set
temperature on remote control, and then soft Dry will be activated.
temperature on remote control, and then soft Dry will be activated.
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The Soft Dry operation runs for less tan 10 minutes and once stop it will not be activated within 6 minutes.
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Dry operation area is shown as follows:-
9.2.1
Time Graph for Soft Dry operation.
9.3 Automatic
operation
Automatic operation can be set using remote control.
Operation mode is determined by set temperature of remote control, indoor intake temperature.
This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature.
After judged the temperature, the operation mode is determined by referring below standard.
Operation mode is determined by set temperature of remote control, indoor intake temperature.
This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature.
After judged the temperature, the operation mode is determined by referring below standard.
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9.4 Indoor Fan Speed Control
Indoor fan speed can be set using remote control.
9.4.1
Fan Speed rotation Chart
speed
Model
Hi
Me
Lo
Slo
CS-PC7KKD
1010
850
700
500
CS-PC9KKD
1010
880
750
500
CS-PC12KKD
1090
980
870
500
9.4.2
Automatic Fan Speed Control
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When set to Auto Fan Speed, the fan speed is adjusted between maximum and minimum setting as shown in
the table.
the table.
Shi Hi
Me
Lo
Lo-
SLo
SSLo
Auto
o
o
o
Cooling
Manual
o
o
o
Auto
o
o
Soft Dry
Area
Area
Manual
o
o
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Auto Fan Speed during cooling operation:-
1. At the beginning of each compressor starts operation, indoor fan speed increases gradually for deodorizing
purpose.
2. Indoor fan will rotate alternately between off and on as shown in below diagram.
*1. Fan speed will be at Hi till the compressors ceases when set temperature is reached.
*2. Fan Speed will be at Me when the compressor restarts.
*2. Fan Speed will be at Me when the compressor restarts.
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Auto Fan Speed during soft Dry operation.
1. Indoor fan will rotate alternately between OFF and Lo-.
2. At the beginning of each compressor starts operation, indoor fan will increase fan speed gradually for deodorizing
2. At the beginning of each compressor starts operation, indoor fan will increase fan speed gradually for deodorizing
purpose.
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9.4.3
Manual Fan Speed Control
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Manual fan speed can be set with Fan Speed selection button at the remote control
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There are 3 level of fan speed setting : Lo, Me, Hi
9.5 Outdoor Fan Speed Control
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There is only one speed for outdoor fan motor.
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When compressor stops, outdoor fan will continue running for 30 seconds.
9.6 Vertical Airflow Direction Control.
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The louver can be adjusted by pressing the button at remote control to the desired position.
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When operation stops using remote control, the discharge vent is reset ,and stop at the closing position..
Operation mode
Manual 15
°
26
°
36
°
45
°
55
°
Cooling/ Soft Dry
Auto 15
°
~ 55
°
Manual
Depending on remote control setting
During judgment
Auto 15
°
9.7 Horizontal Airflow Direction Control
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Horizontal airflow direction louver can be adjusted manually by hand.
9.8 Timer
Control
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Timer can be set using remote control (12-hour timer setting). When Timer- ON is set for cooling and Soft Dry
operation, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable
environment when reaching the set ON time.
operation, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable
environment when reaching the set ON time.
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For Cooling and Soft Dry operation, the operation will start 15 minutes before the set time.
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For Automatic operation, the indoor fan will operate at Slo speed for 25 seconds, 30 minutes before the set time
to detect the intake air temperature to determine the operation mode. The power LED will blink during detection.
to detect the intake air temperature to determine the operation mode. The power LED will blink during detection.
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If main power supply is switched off or encounter power failure, timer setting will be cancel. Timer needs to be
reset
reset
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The ON timer or OFF timer will be cancel by pressing CANCEL button.
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The ON timer or OFF timer will be cancel is ON/OFF operation button is pressed.
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Each timer setting is effective only once.
9.9 Random Auto Restart Control
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If there is a power failure during operation, the air conditioner will automatically restart after 2 minutes when the
power is resumed.
power is resumed.
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It will start with previous operation mode and airflow direction.
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If timer is set, timer setting will be cancel. The timer needs to be reset after the power is resumed.
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