Toshiba RAS-M10GDCV-E Service Manual page 18

3) Defrost reset
Resetting operation from defrost to heating is
performed when any one of the following
conditions is satisfied.
a. Temperature of the outdoor heat exchanger
rose to +8°C or higher.
b. A status that temperature of the outdoor
heat exchanger is +5°C or higher continued
for 80 seconds.
c. Defrost operation continued for 10 minutes.
In resetting defrost operation, the compressor
stops for 50 seconds if defrost has started
under condition a. to d. in item 1, but the
compressor is reset to heating operation
keeping operated if defrost has started under
condition e. in item 1.
8-2-5. Auto Operation
1. Selection of operation mode
As shown in Fig. 8-2-6, the operation starts by
selecting automatically the status of the room
temperature (Ta) when starting AUTO operation.
Ts : Setting temperature by remote controller
Ta
Ts + 1
Minitoring (Fan only)
Ts – 1
Heating operation (Heat pump model)
Fan only operation (Cooling only model)
*1 When reselecting the operation mode, the fan
speed is controlled by the previous operation
mode.
Fig. 8-2-6
2. Mode selection is done again if the cpmpressor
turns off for 15 minutes continuesly, due to the
room temperature.
Cool operation
8-2-6. ECO Timer Operation
When you push the ECO button during cooling, Dry,
Heating, or A operation, the air conditioner will start
the following operation.
The fan speed will be automatically controlled.
• Cooling operation
In the operation suppression zone, where capacity
is kept to the minimum, overcooling is prevented by
raising the temperature setting by 1°C after 1 hour
and by 2°C after 2 hours of operation.
The room temperature is thus regulated between
the operation suppression zone and the set tem-
perature.
1 hour
• Heating operation
(Heat pump model only)
In the operation suppression zone, where capacity
is kept to the minimum, overheating is prevented by
lowering the temperature setting by 1°C after 1
hour and by 2°C after 2 hours of operation.
The room temperature is thus regulated between
the set temperature and the operation suppression
zone.
1˚C
1 hour
8-2-7. High POWER Operation
When you push the Hi-POWER button during Cool-
ing, Heating, or A operation, the air conditioner will
start the following operation. (A operation : Auto
change over)
• Cooling operation
Performs the cooling operation at 1°C lower than
the setting temperature.
When the room temperature is above the setting
temperature. In addition, fan speed is high*.
* Noise level raises in accordance with fan speed.
• Heating operation (Heat pump model only)
Performs the heating operation at 2°C higher than
the setting temperature.
– 18 –
/ Dry operation
Operation suppression zone
1˚C
Room
2˚C
temperature
Set
temperature
2 hours
Fig. 8-2-7
Set temperature
Room
2˚C
temperature
Operation
2 hours
suppression zone
Fig. 8-2-8