Toshiba RAS-10YAV-E Service Manual page 29

(8) ECONO. operation control
When the ECONO. button of the remote control-
ler is pushed, quiet and mild operation is per-
formed by restraining air flow and operating
motor speed.
1) Indoor air flow is controlled between SUL
and L– (Low air (–)).
3,5
3
2,5
2
1,5
1
0,5
8-2-2. DRY Operation
(The Remote Controller MODE Button
is Set to the DRY Position)
• Once the setting is made, the operation mode is
memorized in the microcomputer so that the
same operation can be effected thereafter simply
by pushing [START/STOP] button.
• Dry operation signal is transmitted to outdoor
unit.
• The Cooling operation giving priority to dehumidi-
fying, which restrains the indoor fan speed and
compressor motor speed, is performed.
• The indoor fan motor operates as shown in Fig.
8-2-5. (Fan speed is AUTO only.)
• The outdoor unit controls the outdoor fan relay
R01, R02 and R03, and the compressor motor
speed according to the operation command
signal sent from the indoor unit.
1H 2H
Fig. 8-2-4
– 29 –
2) Setting 10 at 16 rps and 13 at 20 rps as the
maximum operating compressor motor
speed, the minimum capacity operation range
is widened every 1 hour and 2 hours have
passed after ECONO. operation had started.
Compressor motor speed
10
Air volume
L– 16 rps
{(L–) + (SUL)}/2 15 rps
SUL 13 rps
Time
+2,5
+2,0
+1,5
+1,0
+0,5
Set
0
temp.
–0,5
NOTE :
*1 : Middle motor speed between L– and SUL
Fig. 8-2-5 Setting of air flow
13
20 rps
17 rps
13 rps
L–
*1
SUL