Hitachi RAC-25WXD, Service Manual

Page: 14 / 92

–
11
–
EN GL IS H
POWERFUL
OPERATION
●
By
pressing
(POWERFUL)
button
during
AUTO,
HEATING,
DEHUMIDIFYING,
COOLING
or
FAN
operation,
the
air
conditioner
performs
at
the
maximum
power.
●
During
POWERFUL
operation,
cooler
or
warmer
air
will
be
blown
out
from
indoor
unit
for
COOLING
or
HEATING
operation
respectively.
■
To
start
POWERFUL
operation
■
T
o
c
a
n
c
e
l
P
O
W
E
R
F
U
L
o
p
e
ra
ti
o
n
●
Press
(POWERFUL) button during operation.
“
” is displayed on the LCD.
POWERFUL
operation
ends
in
20
minutes.
Then
the
system
automatically
operates
with
the
previous
settings
used
before
POWERFUL operation.
●
Press the
(START/STOP) button. Or
●
Press
(POWERFUL) button again.
POWERFUL operation stops. “
” disappears from the LCD.
1
NOTE
●
When
SLEEP
mode,
ECO
mode,
SILENT
mode
or
LEAVE
HOME
mode
is
selected,
POWERFUL
operation
is
cancelled.
●
During
POWERFUL
operation,
capacity
of
the
air
conditioner
will
not
increase
–
if
the
air
conditioner
is
already
running
at
maximum
capacity.
–
just
before
defrost
operation
(when
the
air
conditioner
is
running
in
HEATING
operation).
●
After
auto
restart,
POWERFUL
operation
is
cancelled
and
previous
operation
shall
start.
●
For
multi
model
connections,
POWERFUL
operation
may
not
function
depending
on
operation
conditions.
–
12
–
SILENT
OPERATION
●
By
pressing
(SILENT)
button
during
AUTO,
HEATING,
DEHUMIDIFYING,
COOLING
or
FAN
operation, the fan speed will change to ultra slow.
■
To
start
SILENT
operation
■
To
cancel
SILENT
operation
●
Press
(SILENT) button during operation.
“
” is displayed on the LCD. Fan speed will be ultra slow.
●
Press
(START/STOP) button. Or
●
Press
(SILENT)
button
again
or
(FAN
SPEED)
button. Fan
speed
will
return
to
previous
fan
speed
before
SILENT
operation starts. SILENT operation stops. “
” disappears from the LCD.
1
NOTE
●
W
h
e
n
P
O
W
E
R
F
U
L
o
p
e
ra
ti
o
n
is
s
e
le
c
te
d
,
S
IL
E
N
T
o
p
e
ra
ti
o
n
is
c
a
n
c
e
lle
d
.
F
a
n
s
p
e
e
d
w
ill
re
tu
rn
to
previous
fan
speed
before
SILENT
operation.
●
After
auto
restart,
SILENT
operation
is
cancelled.
Fan
speed
will
return
to
previous
fan
speed
before
SILENT
operation.
●
During
any
operation
with
fan
speed
(SILENT),
if
press
(SILENT)
button,
fan
speed
will
not
change.
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