Toshiba RAS-10SAH-E, Руководство по обслуживанию, Страница: 17 / 62

– 17 –
7-8. High-Temperature Limit Control
(Heating Operation)
The microprocessor detects the indoor heat exchanger
temperature so as to prevent exceeding the
condensate pressure.
Control is performed as shown in Fig. 7-8-1.
7-10. Cool Airflow Prevention Control
(Heating Operation)
(1) During the heating operation, the indoor fan speed
is controlled automatically in accordance with the
indoor heat exchanger temperature to prevent
blowing the cool air.
Control is performed as shown in Fig. 7-10-1.
Fig. 7-8-1
7-9. 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. 7-9-1.
Fig. 7-10-1
(2) As soon as the defrost operation starts, the indoor
fan stops.
Compressor
Less than 5˚C continues
for 5 minutes
OFF
ON
Outdoor fan
7
Heat exchanger
temperature
5
(˚C)
Fig. 7-9-1
60
53
52
(˚C)
Compressor,
Outdoor fan
OFF
ON
*
1 ····· Only outdoor fan is turned off.
*
1
Heat exchanger
temperature
According to the
set position
Indoor fan speed
30
25
20
Heat exchanger
temperature
(˚C)
U.L. (Ultra Low)
Room temp.
Set temp.
S.L (Super Low)
Room temp.
Set temp.
OFF
> <