FILE NO. SVM-06021
7. OPERATION DESCRIPTION
LO
7-1-1.
W
Louver contr
+
ol
=
(1)
MED
V
+
er
=
tical air flo
LO
w louv
W+MED
er
2
P
MED+HIGH
osition of v
2
eritcal air flo
T
w louv
able 7-1-1
er is automatically
FA
controlled according to the operation mode
N
.
T
Besides
A
, position of v
P
er
Cooling
tical air flo
U
w louv
H
er can be
H
arbitr
M+
ar
L+
ily set b
L-
y pressing [FIX] b
SUL/SL-
utton.
The louv
OPERATION
er position which is set b
F
y [FIX] b
an only
utton is
H
stored in the microcomputer
M
, and the louv
L
er is
L-
automatically set at the stored position f
Dr
or the ne
y
xt
M
oper
L
ation.
L
(2)
-
Swing
U
If [SWING] b
L
utton is pressed when the indoor unit
S
is in oper
UL
ation, the v
MODE
er
Heat
tical air flo
UH
w louv
H
er star
M+
ts
L
s
RAS-18GFHP Series
winging.
r
p
When [SWING] button is pressed, it
m
1060
stops swinging.
7-1-2.
1030
Indoor fan contr
900
ol (AC F
950
an motor)
(1)
820
The indoor fan is oper
Air flo
ated b
w v
y the stepless speed
olume (m
change AC motor
3
.
/h)
(2)
800
For air flo
770 720
w lev
680
el, speed of the indoor f
700
an motor is
600
controlled in five steps (LOW
RAS-24GFHP Series
, LO
r
W
p
+
m
, MED
920
, MED
+
750
and HIGH).
860
If AUTO mode is selected, the f
Air flo
an
w v
motor speed is automatically controlled b
olume (m
y the
3
diff
/h)
erence betw
810
een the preset temper
930
ature and
750
the room temper
660
ature
440
.
410
7-1. Outline of Air Conditioner Contr
r
ol
p
This is a fix
m
ed capacity type air conditioner, which uses
1210
a AC motor for an indoor fan.
860
The AC motor driv
600
e
Air flo
circuit is mounted in the indoor unit.
w v
And electr
olume (m
ical
3
par
/h)
ts which operate the compressor and the outdoor
930
fan motor, are mounted in the outdoor unit.
660
The air conditioner is mainly controlled by the indoor
410
unit controller
Model
.
830
The controller operates the indoor fan
motor based upon commands transmitted by the
remote control and tr
RAS-18GFP Series
ansf
r
ers the operation commands
p
to the outdoor unit controller
m
.
Air flo
The outdoor unit controller receiv
w v
RAS-24GFP Series
es oper
olume (m
ation
3
SUL/SL-
commands from the indoor unit, and oper
/h)
U
ates the
L
outdoor f
1120
L+
an motor and the compressor
1090
M+
.
−
M
(1)
1000
L+
Role of indoor unit controller
820
L
The indoor unit controller receiv
L-
es the oper
M
ation
1090
L+
commands from the remote control and e
1210
L
x
1000
690
ecutes
600
480
them.
640
480
600
690
640
• Temperature measurement at the air inlet of the
440
indoor heat e
650
xchanger b
450
y the indoor
450
temperature sensor
700
•
490
T
490
emperature setting of the indoor heat
700
exchanger b
650
y the heat exchanger sensor
800
•
580
Louv
580
er motor control
850
•
650
Indoor f
650
an motor oper
850
ation control
•
800
LED display control
• T
−
r
−
ansferring of operation commands to the
outdoor unit
•
−
Receiving of inf
−
ormation of the operation status
and judging of the infor
−
mation or indication of
−
error
(2) Role of outdoor unit controller
The outdoor unit controller receives the oper
−
ation
−
commands from the indoor controller and
ex
970
ecutes them.
•
500
Compressor oper
− 21 −
ation
control
• Operation control of
outdoor fan motor
• Turning off the compressor and outdoor fan
when the outdoor unit receives the shutdown
command
• Defrost control in heating operation
(Temperature measurement by the outdoor heat
exchanger and control for the four-way valve
and the outdoor fan motor) *Heat pump Model
only.
Operations according
to the commands
from the indoor unit
1170
900
1170
900
800
1060
1120
830
−
−
770
1030
−
−
320
−
760
1020
540
350
−
−
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