8-1. Control Specification
No. Item Outline of specification Remarks
1 When power
supply is reset
1) Distinction of outdoor unit
When the power supply is reset, the outdoors are
distinguished 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.
Fan speed (rpm)
2 Operation
mode selection
1) Based on the operation mode selecting command from
the remote controller, the operation mode is selected.
Remote controller
command
Control outline
Air conditioner stops.
FAN Fan operation
COOL Cooling operation
DRY Dry operation
AUTO • COOL 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 valu
at the first time only. (In th
range of Ts + α –1 < Ta < Ts
+ α + 1, Cooling thermo.
OFF (Fan)/Setup air volume
operation continues.)
Cooling thermo. OFF (Fan)
• Setup air volume
Cooling
operation
Ta
(°C)
-1.0
Ts + α
+1.0
• α is corrected according to the outside
temperature.
Outside temp. Correction value (α)
No To 0K
To ≥ 24°C –1K
24 > To ≥ 18°C 0K
To < 18°C +1K
To error 0K
Ta: Room temp.
Ts: Setup temp.
To: Outside temp.
K = deg
3 Room temp.
control
1) Adjustment range: Remote controller setup
temperature (°C)
COOL/DRY AUTO
Wired type 18 to 29 18 to 29
Wireless type 17 to 30 17 to 30
STOP
8. CONTROL CIRCUIT
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