Toshiba RAV-SM802UT-E User Manual

– 59 –

+1.5

Tsc

or Tsh

-1.5

Ta
(˚C)

COOL

(COOL ON)

(COOL OFF)

HEAT

1

2

When power
supply is reset

Operation mode
selection

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 speed of the indoor fan/setting whether to

adjust air direction or not.
(Only 4-way models)
Based on EEPROM data, speed of the indoor fan or
setting whether to adjust air direction or not is
selected.

1) Based on the operation mode selecting command

from the remote controller, the operation mode is
selected.

STOP

FAN

COOL

DRY

HEAT

AUTO

Air conditioner stops.

Fan operation

Cooling operation

Dry operation

Heating operation

• COOL/HEAT operation mode is

automatically selected by Ta
and Ts for operation.

1) Judge the selection of COOL/HEAT mode as shown

in the figure above.

When 10 minutes passed after thermostat had been
turned off, the heating operation (Thermo OFF) is
exchanged to cooling operation if Tsh exceeds +1.5
or more.

(COOL OFF) and (COOL ON) in the figure indicate
an example.

When 10 minutes passed after thermostat had been
turned off, the cooling operation (Thermo OFF) is
exchanged to heating operation if Tsc exceeds –1.5
or less.

2) For the automatic capacity control after judgment of

COOL/HEAT, refer to item 4.

3) For the temperature correction of room temperature

control in automatic heating operation, refer to item 3.

Air speed/
Air direction adjustment

Ta : Room temperature
Ts : Setup temperature
Tsc : Setup temperature in

cooling operation

Tsh : Setup temperature

+ Room temperature
control temperature
compensation