Fujitsu AW?Z24LBC, Service Instruction

Page: 28 / 97

19. UV FILTER CLEANING CONTROL
1. SETTING METHOD
(1) Manual filter cleaning function
- Press [FILTER] button on remote controller to start filter cleaning.
(2) Automatic cleaning function
- Filter maintenance interval can be set at either 50 hours or 100 hours
with the remote controller ([SET TIME] button is kept pressed - refer to
the operation manual).
- When the accumulated operating time reached to the set up interval
time, the filter cleaning function automatically starts at the stop mode.
2. MAIN UNIT INDICATION
* Type of [MAINTENANCE SIGN] lamp (Red) indications on main unit.
- During the filter cleaning function
[MAINTENANCE SIGN] lamp (Red) is ON.
(It lights up only when the filter is functioning. Upon filter
function is completed, it goes off.)
- When the filter cleaning function is abnormal
[MAINTENANCE SIGN] lamp (Red) blinks (1 sec. ON / 1 sec. OFF)
- Notification of Dust box maintenance
[MAINTENANCE SIGN] lamp (Red) will light up.
It notifies the timing of Dust box maintenance. It lights up after 2,000
or 4,000 hours of operation by setting up with the auto cleaning
function time.
The red lamp will keep lighting until resetting the accumulated time,
regardless of air conditioner's operating mode.
3. REMOTE CONTROLLER CONDITION
The LCD indication does not change with [FILTER] button.
4. LIMIT SWITCH CONDITION FOR THE FILTER LOCATION DETECTION.
- Limit switch ON - On filter function, the filter is stopped on the way.
- Limit switch OFF - The filter is correctly installed, or The filter is not installed.
05-14
MAINTENANCE SIGN TIMER OPERATION HI-POWER SUPER QUIET