Toshiba SRAS-13SKH-ES, Руководство по обслуживанию

Страница: 18 / 68

– 18 –
7-6. ECONO. Mode
When the ECONO. button is pushed, during COOL,
HEAT 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.
7-6-1. Cooling
(1) In the ECONO. mode, the set temp. by the remote
control is changed automatically as shown in Fig.
7-6-1.
(2) Fan speed
→
LOW
7-7. Current Limit Control
The microprocessor detects the input current so as to
prevent it exceeds a specified value by means of
controlling the outdoor fan control as described in (1)
and (2).
(1) Current limit control (Cooling)
Control is performed as shown below by detecting
the compressor operation current with a current
sensor (C.T).
Fig. 7-6-2
+2
+1
Set temp. 1H 2H TIME 0H
(˚C)
ECONO. button
is pushed
Set temp.
is changed
Set temp.
is changed
Fig. 7-6-1
7-6-2. Heating
(1) In the ECONO. mode, the set temp. by the remote
control is changed automatically as shown in Fig.
7-6-2.
(2) Fan speed
→
LOW
-1
-2
Set temp.
1H 2H TIME 0H
(˚C)
ECONO. button
is pushed
Set temp.
is changed
Set temp.
is changed
10A I
4
Input
current
9A I
3
Compressor Outdoor fan
More than I
4
continues for 3 seconds
OFF
More than I
3
continues for 5 minutes
OFF
ON
Fig. 7-7-1
(2) Current limit control (Heating)
Control is performed as shown in Fig. 7-7-2.
10A I
4
Input
current
9A I
3
8A I
2
Compressor Outdoor fan
More than I
4
continues for 3 seconds
OFF
More than I
3
continues for 5 minutes
OFF
ON OFF
ON
7.5A I
1
Fig. 7-7-2