17
FILTER Sign
In this central controller, “FILTER” indication notifies for each indoor unit of cleaning time of the air filter of the indoor unit.
(Extended operation time has been already set up at shipment from the factory.)
1
Selection of UNIT No.
Pushing “UNIT” button indicates the operation
status of the indoor unit.
2
Check FILTER sign.
When “FILTER” indication goes on, the indi-
cated indoor unit requires cleaning of the air
filter.
3
Rinse/Cleaning of air filter
Maintenance such as rinse and cleaning is
required for the corresponding indoor unit.
(For details, refer to the Owner’s Manual at-
tached to the indoor unit.)
4
Resetting of FILTER sign
Push “FILTER RESET” button.
“FILTER” indication goes off.
(NOTE 1) Check all the connected indoor units.
(NOTE 2) The extended operation time is not reset even if resetting filter of the indoor unit in which “FILTER” is not
indicated.
If the power of the air conditioner is turned off, the extended operation time is held.
Fire alarm signal
• Connecting a fire alarm signal of the fire alarm panel, all the connected units stop and operation is locked when a fire
alarm has been issued.
In this case, the indication part changes as follows.
1
ON lamp (Red) indication rapidly flashes.
2
On the indication part, “ALL”/”ZONE”/
/
”UNIT”/
/”ON”/”OFF”/”LOCKED” indica-
tions flash.
• When the fire alarm signal has not been issued,
flashing
1
and
2
indications disappear, and “MONI-
TOR” is automatically indicated. In this time, whole air
conditioner stops. Check there is no trouble, and
then restart operation of the air conditioner.
FILTER RESET
49
64
33
48
17
32
1
MONITOR
FILTER
ON
MODE
COOL
ON
UNIT
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
FAN
AUTO
TEMP.
˚C
LOUVER
FAN
TEMP.
MODE
MONITOR/SET ALL/ZONE
ZONE
UNIT
ON CENTER/LOCKED
CHECK
ZONE SET/ENTER SELECT
OFF
TIMER ON
1
4
2
FILTER RESET
ZONE
ALL
LOCKED
ON
OFF
ON
UNIT
LOUVER
FAN
TEMP.
MODE
MONITOR/SET ALL/ZONE
ZONE
UNIT
ON CENTER/LOCKED
CHECK
ZONE SET/ENTER SELECT
OFF
TIMER ON
1
2
