Econo. Mode; Cooling; Low-Temperature Limit Control (Cooling Operation) - Toshiba RAS-10SA-E-1 Service Manual

7-5. ECONO. Mode

When the ECONO. button is pushed, during COOL
and AUTO operation, the OPERATION display is
turned off and the ECONO. display is lit and the indoor
unit operates quietly and mildly with controlling airflow.

7-5-1. Cooling

(1) In the ECONO. mode, the set temp. by the remote
control is changed automatically as shown in Fig.
7-5-1.
(2) Fan speed → LOW
(˚C)
+2
+1
0H
Set temp.
ECONO. button
is pushed
Fig. 7-5-1
Set temp.
is changed
Set temp.
is changed
1H 2H
7-6. Low-Temperature Limit Control
(Cooling Operation)
The microprocessor detects the indoor heat exchanger
temperature so as to prevent freezing up the indoor
heat exchanger.
Control is performed as shown in Fig. 7-6-1.
Heat exchanger
temperature
(˚C)
7
5
TIME
– 15 –
Compressor Outdoor fan
ON
Less than 5˚C continues
for 5 minutes
OFF
Fig. 7-6-1