FILE NO. SVM-10049
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21
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(3) 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. 7-3-8
7-
3
-5. Automatic operation
([MODE] button on the remote control is set
to the automatic operation.)
(1) One of 3 operations (Cooling, Fan only or Heating)
is selected according to difference between the
preset temperature and the room temperature at
which the automatic operation has started, as
shown in Fig. 7-3-9. The Fan only operation
continues until the room temperature reaches a
level at which another mode is selected.
(2) Temporary Auto
When the [RESET] button on the indoor unit
is pushed, the preset temperature is fixed at 24°C
and the indoor unit is controlled as shown in
Fig. 7-3-9.
Fig. 7-
3
-
9
(Room temp.)
−
(Preset temp.)
°
C
0
-1
Cooling operation
Fan only operation
* No limitation while fan speed MANUAL mode is in stability.
* A: When Tsc
≥
24, A is 24, and when Tsc < 24, A is Tsc
Tsc: Set value
Normal AUTO
Line-approximate
H and SL with Tc.
Stop
46
Tc
34
45
33
33
21
32
20
*A+0 *A+0
*A-8 *A-8
Fan speed MANUAL or AUTO in starting
Fan speed AUTO in stability
Fan speed AUTO
Fan speed MANUAL
L-H (Up to
setting speed)
Line-approximate
H and SL with Tc.
SL (W2)
Stop
SL (W2)
Fig. 7-
3-8 Cold draft preventing control
FAN
•
Until 12 minutes
passed after operation
start
•
When 12 to 25 minutes
passed after operation
start and room temp.
is 3°C or lower than
set temp.
FAN
•
Room temp. < Set
Manual
•
When 12 to 25 minutes
passed after opeartion
start and room temp.
is than (set )
between preset
temp. –3.5°C
(4)
In order to prevent cold draft when compressor
during heating operation.Then louver will move
to upper position and fan speed will reduce or
OFF.
Heating operation
[In starting and in stability]
In starting
In stability
3°C
•
When 25 minutes or
more passed after
operation start
AUTO
temp.–4°C
•
Room temp. Set
Heat pump model Cooling model
