5. CONTROL SYSTEM
MAIN FUNCTIONS
Outdoor unit low noise operation
Users can choose from 4 low
noise levels, depending on the
installation environment.
100%
58dB
0
0
Heat load
Air
conditioning
load factor
Low noise operation
Operating
sound
Capacity
Down
(time)
10°C heat (All) operation
While this function is selected, all indoor units
start the “10°C heat” operation when all the
indoor units are stopped by operating the [On/
Off button] on the central remote controller.
When the room temperature is higher than
10°C, “10°C heat” operation does not start.
Operation starts and maintains the room
temperature at 10°C when the temperature
drops below 10°C.
When “10°C heat” operation stops, the room
set temperature quickly returns to the preset
temperature.
50
°F
70
°F
Indoor unit
operation START
“All 10°C heat”
operation
All indoor units
ON
OFF
Economy (All) operation
Example : Cooling operation
If all the indoor and outdoor units are
changed to economy mode, this can save
more energy than setting each indoor unit
individually.
Economy operation is energy saving, as
the set temperature of indoor unit is shifted
by 1°C and the maximum electric value of
the outdoor unit is suppressed.
Temp.
Economy operation
Shift
setting
temp
Control maximum current
Normal operation
Time
Set temperature
Schedule timer
Example
Operation setting can be changed
4 times in each day of the week,
and 2 types of schedules can be
set to suit users' preference.
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AM7
AM7 AM7PM12 PM1 PM1 PM6PM11 PM11
AM8PM12 PM1 PM6 PM10PM5 PM11 Time
Temp.Temp.
Temp.Temp.
Time
Time
Time
Summer
season
pattern
Winter
season
pattern
Cool Cool Cool Cool Cool Cool
Heat
Heat
Heat Heat
Heat
Heat
Prohibited Settings
The remote controller operation of all indoor units comes with a lock function to prevent
unapproved operations in the various rooms. The central remote controller also has a key lock
function to prevent children from playing with it, etc.
- (05 - 08) -
CONTROL
SYSTEM
CONTROL
SYSTEM
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