23
9-1-4. 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 mode while the compres-
sor 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 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 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.
9-1-5. HA Operation Mode (JEMA)
●
When the operation is started by HA, it is switched to Automatic Operation mode.
●
When the operation mode is changed by the remote control unit during the operation, the previous operation
mode is selected in the following operation.
One cycle of HA Terminals 1 – 2 consists of short – open of input pins for operation / stop.
9-1-6. Lamp Colors
Operation Lamp
Heating Operation ................(red)
Dry Operation.............(orange)
Cooling Operation ................(green)
Air Cleaning................(green)
Timer ....................................(green)
Filter ...........................(orange, red)
People Sensor Lamp............(green)
9-1-7. 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.
9-1-8. 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
NOTE
Load
< Cooling Zone >
< A Zone >
< AA Zone >
< B Zone >
Thermo-OFF
point
When room temperature is below
15
°
C, 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