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)
Minimum heat (All) operation
While this function is selected, all indoor ●
units start the minimum heat operation
when all the indoor units are stopped by
operation of the [On/Off button].
When the room temperature is higher than ●
50°F (10°C), MIN. HEAT operation starts
and maintains the room temperature at
50°F (10°C) when the temperature drops
below 50°F (10°C).
When “MIN, HEAT operation stops, the ●
room set temperature quickly returns to the
preset temperature.
50
°F
70
°F
Indoor unit
operation START
“All MIN. 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 of each indoor
unit individually.
Economy operation is energy saving, as ●
the set temperature of indoor unit is shifted
by 2°F (1°C) and the maximum electric
value of the outdoor unit is suppressed.
Temp.
Economy operation
Shift
setting
temp
Control maxmum current
Nomal operation
Time
Set temperature
Schedule timer
Example
Operation setting can be changed ●
4 times in each day of a week, and
2types of the schedule 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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