8. OPERATION DESCRIPTION

8-1. When power supply is reset

(1)Distinction of outdoor units

When the power supply is reset, the outdoors are distinguished, and control is exchanged according to the distinguished result.

(2)Setting of the indoor fan speed

Based on EEPROM data, rspeed of the indoor fan is selected.

Remarks: Air speed

8-2. Operation mode selection

(1)Based on the operation mode selecting command from the remote control, the operation mode is selected.

 

Table 8-2-1

 

 

Remote control

Outline of control

command

 

 

 

STOP

Air conditioner stops.

 

 

FAN

Fan operation

 

 

COOL

Cooling operation

 

 

DRY

Dry operation

 

 

HEAT

Heating operation

 

 

AUTO

Automatic operation

 

 

(2)Automatic Operation

The air conditioner selects and operates in one of the operating modes of cooling, heating or fan only, depending on the room temperature.

If the AUTO mode is uncomfortable, you can select the desired conditions manually.

8-3. Air volume control

(1)Operation with [HIGH (H)], [MED (M)], [LOW (L)], or [AUTO] mode is performed by the command from the remote control.

(2)When [FAN] button is set to AUTO, the indoor fan motor operates as shown in Fig. 8-3-1, Fig. 8-3-2 and Table 8-3-1.

<COOL>

temp.)

 

°C

+3

 

 

 

(Preset

 

M+

+2.5

 

 

 

 

*1

+2

 

*1

temp.)

*1

 

+1.5

 

(Room

+1

 

+0.5

 

 

 

 

Preset

 

0

 

 

 

temp.

0.5

 

NOTE :

*1: The values marked with *1 are calculated and controlled by the difference in motor speed between M+ and L–.

Fig. 8-3-1

 

 

Table 8-2-2

 

 

 

 

Room temperature in operation

 

 

Operating condition

 

 

 

 

The set temperature +1°C or higher

Cooling

 

Performs the cooling operation at a temperature 1°C

(in case that the room is hot)

operation

 

higher than the setting.

 

 

 

 

The set temperature –1°C to +1°C

Fan only

 

Performs the fan only operation (low speed) while

 

operation

 

monitoring the room temperature. When the room

 

 

 

temperature changes, the air conditioner will select the

 

 

 

cooling or heating mode.

 

 

 

 

The set temperature –1°C or lower

Heating

 

Performs the heating operation at a temperature 1°C

(in case that the room is cold)

operation

 

lower than the setting.

 

 

 

 

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Toshiba RAV-SM800XT-E Operation Description, When power supply is reset, Operation mode selection, Air volume control