35
10-1-4. ON Timer
●
The air conditioner starts operation at the preset time.
●
ON timer can be set / canceled while the air conditioner is not operating. When the timer is set, the timer lamp
on the main unit illuminates.
10-1-5. Frequency Control
During Automatic Operation, temperature and fan speed are adjusted according to the room conditions to keep
the room comfortable.
< Dry Operation >
●
Dry operation is as described in the diagram
at right.
●
If the room temperature drops below 15°C,
the unit operates under monitored status.
●
Within the monitored area, the air condition-
er does not operate but the operation lamp
remains on.
The compressor operates with 1/f fan operation. Also, the indoor fan operates under 1/f-fluctuation mode while
the compressor is running.
The compressor operates with 1/f fan operation with lower operation frequency than Dry AA. The indoor fan oper-
ates under 1/f-fluctuation mode while the compressor is running.
The compressor repeats a cycle of ON for 3 minutes and OFF for 6 minutes.
The indoor fan operates under 1/f-fluctuation mode while the compressor is running.
If the compressor is turned OFF and the room temperature falls below approximately 20°C, the
indoor fan also will be turned OFF.
— What is 1/f fluctuation mode? —
The 1/f-fluctuation has been widely found in various phenomena covering electrical, natural and also human
organic functions.
10-1-6. Timer Back-Up
●
If the indoor unit does not receive a time-up signal from the remote control unit at the preset ON / OFF time,
time-up is carried out by the back-up timer of the indoor unit within 15 minutes.
10-1-7. OFF Timer
●
The air conditioner stops operation at the preset time.
●
OFF timer can be set / canceled while the air conditioner is operating. When the timer is set, the timer lamp on
the main unit illuminates.
NOTE
Load
< Cooling Zone >
< A Zone >
< AA Zone >
< B Zone >
Thermo-OFF
point
When room temperature is below
15
¡
C, unit is always in the monitored area.
●
When temperature
of indoor heat exchanger
is below approx. 2
¡
C,
the compressor stops
and freeze prevention
function is activated. The
indoor fan also stops.
Dry AA
Dry A
Dry B
