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Model
CS-C18JKD CU-C18JKD CS-C24JKD CU-C24JKD
Pages
59
Size
4.68 MB
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PDF
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Service Manual
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Device
Air Conditioner / AIR CONDITIONER
File
cs-c18jkd-cu-c18jkd-cs-c24jkd-cu-c24jkd.pdf
Date

Panasonic CS-C18JKD / CU-C18JKD / CS-C24JKD / CU-C24JKD Service Manual ▷ View online

33
12.10.2. OFF Timer
• When the OFF Timer is set by 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 setting will not be cancelled.
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 cancelled.
12.11. 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.
• This Random Auto Restart Control is not available when Timer is set.
• This control can be omitted by open the circuit of JX02. (Refer printed circuit board indoor unit)
12.12. 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.
12.13. Patrol Operation
• To monitor air dirtiness level by using Patrol sensor and to maintain air freshness by activates e-ion operation.
• Patrol operation start condition
- When the unit operation is started with “OFF/ON” button.
- When the unit stops, “Patrol” button is pressed, Patrol individual operation will start.
- During cooling only operation, “Patrol” button is pressed.
34
• Patrol operation stop condition (when any of the following condition is fulfilled):
- When “OFF/ON” button is pressed.
- During any operation with Patrol, "Patrol" button is pressed again.
- When “e-ion” button is pressed.
- When OFF Timer activates.
• Patrol operation disable
- To disable the Patrol Operation during unit start (default) with “OFF/ON” button, press “Patrol” button and hold for 5 seconds,
then release.
- To disable the Patrol Operation, press “Patrol” button and hold for 15 seconds, then release.
• Patrol Sensor Control
- 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.
- After that, Patrol sensor starts to record the resistance value at fixed interval. Higher resistance value indicates cleaner air.
- 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.
- 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: Dirty                        - Patrol LED = red color
• 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 “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.
• e-ion Control
- e-ion operation starts condition
- When dirtiness at level 2 (Patrol LED turns red).
- 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
- When e-ion operation starts, the fan speed increases based on dirtiness level:
35
- 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.
- During Patrol individual operation if e-ion stops, Indoor Fan stop operation.
- Airflow direction (Horizontal, Vertical) Control
- During any operation mode combines with Patrol operation, airflow direction follows respective operation mode.
- During Patrol individual operation if e-ion starts, only Auto Air Swing is allowed. Even if “Air Swing” button is pressed, no
signal is sent to air conditioner, and no change on LCD display.
- During Patrol individual operation if e-ion stops, Airflow direction louver closed.
- Indicator
- When Patrol operation starts, Patrol LED is ON with 3 different colors:
- Then e-ion operation starts based on dirtiness level, both Patrol LED and e-ion LED are ON.
- Remote Control Receiving Sound
- Timer Control
- When ON timer activates when unit stops, previous operation resumes without Patrol operation.
- When ON timer activates during any operation, no change and carry on current operation.
- When OFF timer activates during any operation, all operation stops.
- Power Failure Control
- During Patrol individual operation, if power failure occurs, after power resumes, Patrol individual operation resumes
immediately.
- During combination operation, if power failure occurs, after power resumes combination operation resume immediately.
- Error Detection Control
- The Patrol error detection control starts once the power is supplied to Patrol sensor. However, the error will display when
the Patrol operation is ON.
- Error detection method:
1. If the Patrol sensor is opened circuit continuously for 6 hours, Patrol sensor error occurs. However, the error will
display only when the Patrol operation is ON.
- Patrol Sensor Control after error occurs.
1. During any operation mode combines with Patrol operation.
a. Power supply to Patrol sensor is OFF.
b. Air conditioner normal mode operation continues with Patrol LED blinking.
c. The Patrol LED continues blinking if the patrol operation is ON and stops blinking if the Patrol operation is OFF.
- During Patrol individual mode.
1. Power supply to Patrol sensor is OFF.
2. Patrol LED blinks.
3. The Patrol LED continues blinking if the patrol operation is ON and stops blinking if the Patrol operation is OFF.
- Error cancel condition:
1. Power supply reset.
Patrol LED
Air Quality
Blue
Clean
Orange
Moderate
Red
Dirty
Normal Operation
→ Patrol Mode
: Beep
Patrol Mode
→ Stop  
: Long Beep
Patrol Mode
→ Normal Operation
: Beep
Stop  
→ Patrol
: Beep
36
12.14. e-ion Operation
• This operation provides clean air by producing negative ions to attract dust captured at the positively charged e-ion filters.
• e-ion operation start condition
- During unit running at any operation mode, if “e-ion” button is pressed, combination operation (operation mode + e-ion
operation) starts.
- During unit is OFF, if “e-ion” button is pressed, e-ion individual operation starts.
• e-ion operation stop condition
- When “OFF/ON” button is pressed to stop the operation.
- When “e-ion” button is pressed again.
- When “Patrol” button is pressed.
- When OFF Timer activates.
• e-ion operation pause condition
- When indoor fan stop (during deice, odor cut control, thermostat off, etc.). e-ion operation resume after indoor fan restarts.
- When indoor intake temperature   40°C. e-ion operation resume after indoor intake temperature < 40°C continuously for 30
minutes.
• Indoor fan control
- During any operation mode combines with e-ion operation, fan speed follows respective operation mode.
- During e-ion individual operation - 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.
Auto Fan Speed for e-ion operation switches between HLo and CLo at pattern below:
• Airflow direction control
- During any operation mode combines with e-ion operation, airflow direction follows respective operation mode.
- During e-ion individual operation, only Auto Air Swing is allowed. Even if Air Swing button is pressed, no signal is sent to air
conditioner, and no change on LCD display.
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