Panasonic CS-C12GKF, Service Manual

Page: 36 / 57

36
3. Control Content
a. Gas 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 level 2.
• After that, gas 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
- Air Dirtiness level 1: Moderate
- Air Dirtiness level 2: Contaminated
- Dirtiness level sensitivity adjustment.
It is possible to change the gas sensor sensitivity, where the Threshold value (G1 ~ G4) will be shifted accordingly:
a. Press and release “SET” button.
b. Press “Timer increment” / “Timer decrement” button to select sensitivity. (Low <
–
> Standard (Default) <
–
> High)
c. Confirm setting by pressing “Timer Set” button. LCD returned to original display after 2 seconds.
d. LCD returned to original display if remote control does not operate for 30 seconds.
b. e-ion Control
• When dirtiness level is 1 or 2, e-ion operation starts.
• If dirtiness level improves from level 2 to level 1, the unit carries out level change after 60 seconds.
• When dirtiness level returns to level 0 continuously for 10 minutes or more, e-ion operation stops.
Dirtiness Level Shift
• For Auto Fan Speed, the fan speed increased based on dirtiness level: