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7-2. Control Specifications
No.
1
Item
When power
supply is reset
Outline of specifications
1) Distinction of outdoor unit
When the power supply is reset, the outdoors are distin-
guished and the control is selected according to the
distinguished result.
2) Setting of indoor fan speed and existence of air direction
adjustment
Based on EEPROM data, select setting of the indoor fan
speed and the existence of air direction adjustment.
Remarks
Air speed (rpm)/
Air direction adjustment
Remote controller
command
STOP
FAN
COOL
DRY
HEAT
AUTO
Control outline
Air conditioner stops.
Fan operation
Cooling operation
Dry operation
Heating operation
• COOL/HEAT operation mode is
automatically selected by Ta, Ts
and To for operation.
• The operation is performed as
shown in the following figure
according to Ta value at the first
time only. (In the range of Ts +
α –1 < Ta < Ts + α + 1, Cooling
thermo. OFF (Fan)/Setup air
volume operation continues.)
•
α is corrected according to the outside temperature.
1) Adjustment range: Remote controller setup temperature (°C)
Outside temp.
No To
To ≥ 24°C
24 > To ≥ 18°C
To < 18°C
To error
Correction value (
αα
αα
α)
0K
–1K
0K
+1K
0K
Wired type
Wireless type
COOL/DRY
18 to 29
18 to 30
HEAT
18 to 29
16 to 30
AUTO
18 to 29
17 to 27
Operation
mode selection
Room temp.
control
2
3
Ta: Room temp.
Ts: Setup temp.
To: Outside temp.
k = deg
1) Based on the operation mode selecting command from the
remote controller, the operation mode is selected.
Cooling thermo. OFF (Fan)
• Setup air volume
Cooling
operation
Heating
operation
Ta
(˚C)
-1.0
Ts +
α
+1.0