Hitachi RAK-18QXB, Service Manual

Page: 16 / 92

–
15
–
EN GL IS H
LEAVE
HOME
(LH)
OPERATION
Prevent
the
room
temperature
from
falling
too
much
when
no
one
is
at
home.
The
initial
setting
temperature
is
10°C
and
the
temperature range can be set between 10°C and 16°C. This
operation
is
able
to
operate
by
"Continuous
operation"
or
"Day
timer
operation".
Please
use
"Day
timer
operation"
to
set the number of days up to 99 days.
■
To
start
LEAVE
HOME
operation
Option 1. Continuous operation.
Press
(LEAVE HOME) button during stop or operation.
Room temperature is set at 10°C and heating operation starts. Set
the
desired
room
temperature
with
the
TEMPERATURE
buttons.
Temperature range can be set between 10°C and 16°C. “
”,
“
”,
“
”,
“
”,
“SET
TEMPERATURE”
is
displayed
on the LCD.
Option 2. Day timer operation.
Press
(LEAVE HOME) button during stop or operation.
Room temperature is set at 10°C and heating operation starts. Set
the
desired
room
temperature
with
the
TEMPERATURE
buttons.
Temperature range can be set between 10°C and 16°C. “
”,
“
”,
“
”,
“
”,
“SET
TEMPERATURE”
is
displayed
on the LCD. Set number of operation days (1 to 99 days), if needed. Press
(TIME) button to select number of days.
Number of days blink.
*
Press
“
(UP)”
or
“
(DOWN)”
to
set
number
of
days
from
1 day to 99 days.
*
Number of day is counted when clock indicates 0:00.
Press
(SEND)
button
to
confi
rm
number
of
operation
days.
Display for number of operation days will stop blinking. Press
(CANCEL)
button
to
reset
number
of
operation
days
or to have continuous operation.
To
cancel
LEAVE
HOME
operation
●
Press
(START/STOP) button. Or
●
Press
(LEAVE HOME) button again.
Return to previous operation mode. Or
●
Change to other operation mode by pressing
(MODE) button.
NOTE
●
After
reaching
the
set
number
of
operation
days
for
Leave
Home
or
by
pressing
the
(Leave
Home)
button
again,
the
unit
will
operate
in
previous
mode.
●
During
Leave
Home
operation,
fan
speed
and
horizontal
air
defl
ector
position
cannot
be
changed.
●
By
pressing
(Leave
Home)
button,
implementation
of
Weekly
Timer
or
Once
Timer
is
cancelled.
●
In
case
of
power
supply
shut
down,
after
autorestart,
all
setting
for
number
of
days
operation
will
be
reset
and
unit
shall
be
in
continuous
operation.
●
POWERFUL,
SILENT
and
ECO
operations
are
not
applicable
during
Leave
Home
operation.
●
For
multi
connection
●
FAN/COOLING/DEHUMIDIFYING
and
Leave
Home
cannot
operate
at
the
same
time.
The
fi
rst-run
unit
has
a
priority
and
other
units
in
different
mode
will
be
in
standby
mode.
●
Heating
operation
can
be
used
with
Leave
Home.
●
When
two
or
more
rooms
are
set
to
operate
Leave
Home,
the
temperature
set
by
Leave
Home
may
not
be
reached.
It
also
depends
on
outdoor
temperature.
Continuous operation Day timer operation
1 2
1 2
1 2 3 4
3 4
–
16
–
CLEAN
(ONE
TOUCH
CLEAN)
OPERATION
Drying indoor heat exchanger after cooling operation to prevent mildew.
■
To
start
CLEAN
operation
■
To
cancel
CLEAN
operation
●
Press
(CLEAN) button when unit is OFF.
Total
time
taken
for
One
Touch
Clean
operation
is
60
minutes.
During
this
operation,
HEATING
or
FAN
operation
shall
operate. During one touch clean, operation lamp is blinking. “
”, “
” is displayed on the LCD.
●
Press
(START/STOP) button. Or
●
Press
(CLEAN) button again.
1
NOTE
●
When
CLEAN
operation
fi
nish,
unit
will
switch
OFF
automatically.
●
If
Weekly
Timer
or
Once
Timer
is
set,
there
is
a
need
to
cancel
those
timer
before
operating
CLEAN
function.
●
For
multi
connections,
when
pressing
(CLEAN)
button,
operation
is
limited
to
FAN
operation.
●
F
o
r
m
u
lt
i
c
o
n
n
e
c
ti
o
n
s
,
w
h
e
n
o
n
e
ro
o
m
o
p
e
ra
te
s
C
L
E
A
N
o
p
e
ra
ti
o
n
fi
rs
t,
o
th
e
r
ro
o
m
s
c
a
n
o
p
e
ra
te
COOLING,
DEHUMIDIFYING
or
FAN
operation.
However,
when
other
rooms
need
to
operate
HEATING
operation,
air
conditioner
will
be
in
STANDBY
mode.
After
CLEAN
operation
fi
nish,
HEATING
operation
will
start.
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