Panasonic CS-W18MKD / CS-W24MKD / CU-W18MKD / CU-W24MKD Service Manual ▷ View online
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12.10 Quiet Operation
(For Cooling Operation or cooling region of Soft Dry Operation)
To provide quiet cooling operation condition.
Once the Quiet Operation is set at the remote control, the Quiet LED brightness will be dimmed. The sound level
will reduce around 2dB(A) for Lo fan speed or 3dB(A) for Hi/Me fan speed against the present operation sound
level.
level.
Dew formation become severe at Quite Lo Cool, therefore Quiet Lo cool operated only 1 hour 30 minutes (1 hour
QLo, 30 minutes QLo + 50 rpm).
Manual Airflow Direction:
o
RPM control during Lo cool
o
RPM control during Hi & Me cool
Auto Fan Speed
Quiet operation stops when:
o
Quiet button is pressed again.
o
Stopped by OFF/ON operation button.
o
Timer OFF activates.
o
Operation mode button is changed.
(Heating Operation condition)
When the Quiet Mode is set at the remote control, Quiet Mode LED illuminates. The sound level will reduce
either around 2 dB (Lo) or 3 dB (Hi, Me), against the present sound level operation.
Quiet setting of fan speed rpm refer to Indoor Fan Speed Control.
Manual Fan Speed:-
o
Rpm control during Lo, Me & Hi Cool
42
Auto Fan Speed:-
o
Rpm control depends on the piping air temperature sensor of Indoor heat exchanger
12.11
Timer Control
12.11.1 ON Timer
When the ON Timer is set by using the remote control, the unit will start to operate slightly before the set time, so
that the room will reach nearly to the set temperature by the set time.
For Cooling and Soft Dry operation, the operation will start 15 minutes before the set time.
For Heating operation, the operation will start 30 minutes before the set time.
For Automatic operation, the indoor fan will operate at SLo speed for 20~25 seconds, 30 minutes before the set
time to detect the intake air temperature to determine the operation mode. The operation indication lamp will blink
at this time.
at this time.
12.11.2 OFF Timer
When the OFF Timer is set using the remote control, the unit will stop operate according to the desired setting.
Notes:
1 By pressing ON/OFF operation button, the ON Timer or OFF Timer will not be cancel.
2 To cancel the previous timer setting, press CANCEL button.
3 To activate the previous timer setting, press SET button.
4 If main power supply is switched off, the Timer setting will be cancel.
1 By pressing ON/OFF operation button, the ON Timer or OFF Timer will not be cancel.
2 To cancel the previous timer setting, press CANCEL button.
3 To activate the previous timer setting, press SET button.
4 If main power supply is switched off, the Timer setting will be cancel.
12.12 Random Auto Restart Control
If there is a power failure during operation, the air conditioner will automatically restart after 3 to 4 minutes when
the power is resumed.
It will start with previous operation mode and airflow direction.
If there are more than one air conditioner unit in operation and power failure occur, restart time for each unit to
operate will be decided randomly using 4 parameters:- intake air temperature, setting temperature, fan speed
and air swing louver position.
and air swing louver position.
This Random Auto Restart Control is not available when Timer is set.
This control can be omitted by open the circuit of JX02 at indoor unit printed circuit board.
12.13 Remote Control Signal Receiving Sound
Short beep sound will be heard when turn ON the air conditioner or enabling other operations.
Long beep sound will be heard when turn OFF the air conditioner or disabling other operations.
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12.14 Patrol
Operation
To monitor air dirtiness level by using Patrol sensor and to maintain air freshness by activates e-ion operation
Patrol operation starts condition
o
When the unit operation is started with “OFF/ON” button
o
When the unit stops, “Patrol” operation is selected, Patrol individual operation will start.
o
During cooling only operation, “Patrol” operation is selected.
Patrol operation stops condition (when any of the following condition is fulfilled):
o
When “OFF/ON” button is selected.
o
During any operation with Patrol, “PATROL/e-ion” button is pressed.
o
When OFF Timer activates.
To disable the Patrol Operation during unit starts (default) with “OFF/ON” button
o
Press “Set” button continuously for 15 seconds by using pointer during Air Conditioner is OFF condition to
enter internal setting mode.
o
Press “Timer Decrement" button to select “Pt dFLt”.
o
Press “Timer Set” button to toggle Patrol operation default OFF/ON.
Long "beep": Turn OFF Patrol operation default.
Short "beep": Turn ON Patrol operation default.
SET
SET
Transmit Patrol default OFF/ON code
(Buzzer: OFF:Long Beep, ON:Short Beep)
(Buzzer: OFF:Long Beep, ON:Short Beep)
Press continously for 15s
SET
Transmit Patrol demo code
(Buzzer: OFF:Long Beep, ON:Short Beep)
(Buzzer: OFF:Long Beep, ON:Short Beep)
SET
Transmit ECO demo code
(Buzzer: OFF:Long Beep, ON:Short Beep)
(Buzzer: OFF:Long Beep, ON:Short Beep)
SET
Transmit check code
(Buzzer:Short Beep)
(Buzzer:Short Beep)
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Patrol Sensor Control
o
First 2 minutes from Patrol function activates is stabilization time, during stabilization time, no air dirtiness
level is monitored. The Air Dirtiness level is set to Clean, Patrol LED turns blue color.
o
After that, Patrol sensor starts to record the resistance value at fixed interval. Higher resistance value
indicates cleaner air.
o
The air dirtiness level is monitored by comparing the current resistance value with maximum resistance value
from time to time to get the Air Dirtiness Value.
o
There are 3 air dirtiness level, based on the Air Dirtiness Value:
Air Dirtiness level 0: Clean
– Patrol LED = blue color
Air Dirtiness level 1: Moderate
– Patrol LED = orange color
Air Dirtiness level 2: Contaminated – Patrol LED = red color
Air Dirtiness Level 0
Air Quality Worsen
G1
Air Dirtiness Level 1
G3
G2
G4
Air Dirtiness Level 2
Air Quality Improve
Dirtiness level sensitivity adjustment
It is possible to change the Patrol sensor sensitivity, where the Threshold value (G1 ~ G4) will be shifted
accordingly:
1 Press and release “SET” button.
2 Press
accordingly:
1 Press and release “SET” button.
2 Press
Timer
▲ / Timer ▼ button to select sensitivity.
(Air 1 “Low Sensitivity” ↔ Air 2 “Standard” (Default) ↔ Air 3 “High Sensitivity”)
3 Confirm setting by pressing “Timer Set” button. LCD returned to original display after 2 seconds.
4 LCD returned to original display if remote control does not operate for 30 seconds
4 LCD returned to original display if remote control does not operate for 30 seconds
e-ion
Control
o
e-ion operation starts condition
When dirtiness at level 2 (Patrol LED turns red).
2 minutes after stabilization time (Patrol LED turns red).
4 hours at level 0 (Patrol LED turns red).
o
e-ion operation time
If dirtiness level improves from level 2 to level 1 (Patrol LED from red to orange), the unit carries out level
change after 60 seconds.
When dirtiness level returns to level 0 (Patrol LED turns blue) continuously for 11 minutes or more, e-ion
operation stops.
Dirtiness Level and fan speed
o
When e-ion operation starts, the fan speed increases based on dirtiness level:
rpm shift
Dirtiness level
Patrol individual
operation
Combine operation
Dirtiness level 0
No change
No change
Auto
Manual
Dirtiness level 1
+ 20
+1 fan tap (max - Hi)
e-ion ON
Dirtiness level 2
+ 40
No change
Me -
Me
+2 fan tap (max - Hi)
o
Indoor Fan Control
During any operation mode combines with Patrol operation, fan speed follows respective operation mode.
During Patrol individual operation if e-ion starts, only Auto Fan Speed and no Powerful operation is
allowed. Even if “Fan Speed” button is pressed, no signal is sent to air conditioner, and no change on
LCD display.
LCD display.
During Patrol individual operation if e-ion stops, Indoor Fan stop operation.
Air Dirtine
ss Value
Dirty
Moderate
Clean
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