Toshiba RAV-SM560XT-E Service Manual page 25

<HEAT>
°C
Preset
0
−0.5
temp.
−1
−1.5
−2
−5.0
−5.5
[FAN AUTO]
NOTE :
*1, *2 : The values marked with *1 and *2 are
calculated and controlled by the difference in
motor speed between M+ and L.
Table 8-3-1
RAV-SM560XT-E
MODEL
Motor speed Air flow level Motor speed Air flow level
(rpm)
Cooling HIGH 1060
and MED 950
Fan only LOW 800
HIGH 1120
Heating MED 970
LOW 820
+
LOW
MED +
L
*1
*2
M +
H
Fig. 8-3-2
RAV-SM800XT-E
(m 3 /h) (rpm)
800 1190
690 1010
580 850
830 1300
730 1070
600 860
LOW+MED
=
2
MED+HIGH
=
2
8-4. Cool air discharge preventive control
In heating operation, the indoor heat exchanger
restricts revolving speed of the fan motor to prevent a
cold draft. The upper limit of the revolving speed is
shown in Fig. 8-4-1 and Table 8-4-1.
46 34
45 33
33 21
32 20
*2 A+4 A+4
A−8 A−8
*6 *5
NOTES :
*1: The fan stops for 2 minutes after thermostat-OFF.
*2: A is 24°C when the preset temperature is 24°C or
more and A is the preset temperature when it is
under 24°C.
(m 3 /h)
900
*3: SUL means Super Ultra Low.
750
*4: Calculated from difference in motor speed
650
between SUL and HIGH.
980
800
Fig. 8-4-1 Cold draft preventing control
650
*5 and *6:
Fan *5
speed
• Up until 12 minutes
AUTO
passed after starting
the unit
• From 12 to 25 minutes
passed after starting
the unit and room
temperature is 3°C
lower than preset
temperature
• Room temperature
Manual
(L – H) < Preset temperature
– 23 –
Table 8-4-1
*6
Starting period
• From 12 to 25 minutes
passed after starting
the unit and room
temperature is
between preset
temperature and 3°C
lower than preset
temperature
• 25 minutes or more
passed after starting
the unit
• Room temperature
–4°C
Manual
(One of
AUTO
5 steps)
*4
L−H
(Up to
setting
speed)
3
SUL*
SUL*1
Stop
Stabilized period
Preset temperature
–3.5°C