Panasonic CS-A12KKD-2, Service Manual

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Patrol Sensor Control
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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.
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After that, Patrol sensor starts to record the resistance value at fixed interval. Higher resistance value
indicates cleaner air.
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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.
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There are 3 air dirtiness level, based on the Air Dirtiness Value:
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Air Dirtiness level 0: Clean – Patrol LED = blue color
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Air Dirtiness level 1: Moderate – Patrol LED = orange color
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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
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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
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e-ion Control
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e-ion operation starts condition
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When dirtiness at level 2 (Patrol LED turns red).
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2 minutes after stabilization time (Patrol LED turns red).
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4 hours at level 0 (Patrol LED turns red).
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e-ion operation time
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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.
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When dirtiness level returns to level 0 (Patrol LED turns blue) continuously for 11 minutes or more, e-ion
operation stops.
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Dirtiness Level and fan speed
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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)
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Indoor Fan Control
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During any operation mode combines with Patrol operation, fan speed follows respective operation mode.
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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.
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During Patrol individual operation if e-ion stops, Indoor Fan stop operation.
Air Dirtine
ss Value
Dirty
Moderate
Clean