INSTALLATION MANUAL
16
Automatic operation with heating (anti-freeze protection)
1. In normal mode, hold down the switch for more than 3 seconds to change the operation mode. The automatic
heating setting is activated and the ON indicator appears to the right of the current time. The ON indication
blinks during the automatic heating operation.
Cancellation
While the system is operating in the automatic heating mode, hold down the MODE switch for
more than 3 seconds to change back to normal mode.The automatic heating setting is deactivated,
and the ON indication to the right of the current time goes out.
NOTE:
If the temperature in the room is lower than a predefi ned value1*, the heating will start up automatically. When the room temperature reaches
the set temperature, the operation stops.
*1 The temperatures 5,10,or 15ºC can be selected using an optional setting.
Operation locking method
To prevent incorrect use of the switches, the switch operation * can be locked.
1. In normal mode, hold down the SELECT switch for more than 3 seconds. The operation lock is activated
and the OPER.LOCK indication appears. If a switch is pressed while it is locked, the indication OPER. LOCK
blinks.
Cancellation
While the locking operation is activated, hold down the
for more than 3 seconds to return to normal mode. The locking operation will be cancelled and the
OPER. LOCK indication goes out.
NOTE:
*The switch to be locked can be selected from "operation mode change", "temperature setting", "airfl ow" and "autolouver" by an optional setting
(F8~Fb) of up to 4 items.
The setting can be changed from CSNET or the sub-remote controller.
4.1.7. INDICATIONS UNDER NORMAL CONDITIONS
Thermo-controller
When the thermo-controller is operated, the fan speed changes to LOW, and the indication remains
unchanged. (Only in heating mode)
Defrosting
When the system is operating in the defrost mode, the DEFROST indication is shown.
The indoor fan slows down or stops (depending on the setting selected).
The louver is fi xed horizontally at 35°. However, the LCD indication is still activated.
(The fi gure shows the DEFROST setting).
When the unit stops during the defrosting operation, the RUN indicator (red) goes out.
However, the operation continues to show the DEFROST indication, and the unit starts up once the
defrost operation is fi nished.
Filter
Clogged fi lter: The "FILTER" indication appears when the fi lter is clogged with dust, etc.
Clean the fi lter: Press the RESET switch after cleaning the fi lter. The "FILTER" indication goes out.
switch and SELECT simultaneously
Mon
:
NEXT SCHEDULE
:
ON
OFF
Mon
:
NEXT SCHEDULE
:
OFF
Mon
:
NEXT SCHEDULE
:
OFF
OPER.LOCK
Mon
:
NEXT SCHEDULE
:
OFF