Hitachi RAC-25JX4, Руководство по обслуживанию

Страница: 23 / 119

Ð 21 Ð
Ð3
5Ð
1
2 3
!
If
the
ear
th
line
is
disconnected
or
faulty
,unit
failure
or
electr
ic
shoc
k
hazard
ma
y
result.
"#
"
$%
"
!
It
could
collapse
or
fall,
causing
injur
y.
PLEASE
CHECK
THE
FOLLO
WING
POINTS
EVER
Y
EITHER
HALF
YEARL
Y
O
R
YEARL
Y.
CONT
AC
T
YOUR
SALES
AG
ENT
SHOULD
YO
U
N
EED
ANY
HELP
.
&
'
&#
'
!
If
the
po
wer
plug
is
not
inser
ted
into
the
w
all
soc
ke
tsecurely
,i
t
will
become
hot
and
an
electric
shoc
k
or
fire
ma
y
occured.
If
dust
or
dir
ti
s
found
on
the
po
wer
plug,
clean
the
plug
and
inser
ti
tinto
the
w
all
soc
ket.
(
)*
)
+
¥D
o
the
batter
ies
need
replacement?
¥I
s
the
polar
ity
of
the
inser
ted
batter
ies
correct?
¥I
s
the
air
filter
bloc
ke
d
with
dust?
¥I
s
the
set
temperature
suitab
le?
¥H
av
e
hor
izontal
air
deflectors
been
adjusted
to
their
correct
positions
according
to
the
operation
mode
selected?
¥
Are
the
air
inlets
or
air
outlets
of
indoor
and
outdoor
units
bloc
ked?
¥I
s
the
fa
n
speed
ÒLO
WÓ
or
ÒSILENTÓ?
¥I
s
the
fuse
all
right?
¥I
s
the
voltage
extremely
high
or
lo
w?
¥I
s
the
circuit
break
er
ÒONÓ?
¥I
s
the
po
wer
plug
inser
ted?
¥D
oy
ou
ha
ve
an
y
po
wer
cut?
When
it
does
not
oper
ate
.
When
it
does
not
cool
well.
When
it
does
not
heat
well.
If
the
remote
controller
is
not
transmitting
a
signal.
(Remote
controller
displa
y
is
dim
or
blank.)
)
*
+
,-
)*
)
+
!
The
follo
wing
phenomena
do
not
indicate
unit
failure
.
<Operation
start>
The
unit
is
preparing
to
blow
warm
air.
Please
wait.
<In
operation>
The
outdoor
unit
is
defrosting.
Please
wait.
Hissing
or
fizzy
sounds
Refrigerant
flow
noise
in
the
pipe
or
valve
sound
generated
when
flow
rate
is
adjusted.
Squeaking
noise
Noise
generated
when
the
unit
expands
or
contracts
due
to
temperature
changes.
Rustling
noise
Noise
generated
with
the
indoor
unit
fanÕs
rpm
changing
such
as
operation
start
times.
Clicking
noise
Noise
of
the
motorized
valve
when
the
unit
is
switched
on.
During
heating,
the
operation
indicator
blinks
and
air
blow
stops
+
,
(
.
Ð3
6Ð
Perking
noise
Noise
of
the
ventilation
fan
sucking
in
air
present
in
the
drain
hose
and
blowing
out
dehumidifying
water
that
had
accumulated
in
the
condensed
water
collector.
For
details,
consult
your
sales
agent.
Changing
operation
noise
Operation
noise
changes
due
to
power
variations
according
to
room
temperature
changes.
Mist
emission
Mist
is
generated
as
the
air
within
the
room
is
suddenly
cooled
by
conditioned
air.
Steam
emitted
from
the
outdoor
unit
Water
generated
during
defrosting
operation
evaporates
and
steam
is
emitted.
Odors
Caused
as
the
smells
and
particles
of
smoke,
food,
cosmetics,
etc.
present
in
room
air
become
attached
the
unit
and
blown
off
into
the
room
again.
Defrosting
is
underway
(as
the
heating
operation
is
stopped,
the
microcomputer
checks
frost
accumulated
in
the
indoor
unit
and
instructs
the
unit
to
perform
automatic
defrosting
if
necessary).
Shows
preheating
or
defrosting
operation
is
underway.
As
the
protective
circuit
or
preheat
sensor
operates
when
unit
operation
is
stopped
during
preheating
and
then
restarted,
or
when
operation
mode
is
switched
from
cooling
to
heating,
the
lamp
continues
to
blink.
Actual
room
temperature
may
deviate
slightly
from
the
remote
controllerÕs
temperature
setting
depending
on
the
number
of
people
in
the
room,
indoor
or
outdoor
conditions
when
the
air
conditioner
is
used
for
more
than
one
room
at
the
same
time.
¥I
f
the
unit
still
fails
to
oper
ate
nor
mally
after
perf
or
ming
the
abo
ve
inspections
,tur
n
the
circuit
break
er
off
and
contact
your
sales
agent
immediately
.
¥
Please
contact
your
sales
agent
immediately
if
the
air
conditioner
still
fails
to
oper
ate
nor
mally
after
the
abo
ve
inspections
.
Inf
or
m
your
agent
of
the
model
of
your
unit,
production
number
,date
of
installation.
Please
also
inf
or
m
him
regarding
the
fault.
()
#
""
'#
&"
/
¥
The
circuit
break
er
switches
off
or
the
fuse
bl
ow
s
frequently
.
¥
The
switch
oper
ation
is
not
stab
le
.
¥F
oreign
matter
or
water
accidentally
enters
the
unit
interior
.
¥
The
po
wer
cord
gets
excessiv
ely
hot
or
its
insulation
is
tor
n
or
str
ipped.
¥
TIMER
lamp
or
FIL
TER
lamp
on
the
indoor
unit
indicators
blinks
.
As
the
nature
of
the
failure
can
be
identified
by
the
blinking
cycle
,chec
k
the
blinking
cycle
bef
ore
tur
ning
off
the
circuit
break
er
.
¥I
n
quiet
oper
ation
or
stopping
the
running,
the
follo
wing
phenomena
ma
y
occasionally
occur
,b
ut
the
y
are
not
abnor
mal
fo
rthe
operation.
(1)
Slight
flowing
noise
of
refrigerant
in
the
refrigerating
cycle.
(2)
Slight
rubbing
noise
from
the
fan
casing
which
is
cooled
and
then
gradually
warmed
as
operation
stops.
¥
The
odor
will
possib
ly
be
emitted
from
the
room
air
conditioner
because
the
va
rious
odor
,emitted
by
smok
e,
foodstuffs
,cosmetics
and
so
on,
stic
ks
to
it.
So
please
clean
the
air
filter
and
the
ev
aporator
regularly
to
reduce
the
odor
.
The
outdoor
unit
continues
to
oper
ate
ev
en
if
operation
is
stopped.
The
OPERA
TION
lamp
is
blinking.
Does
not
reach
the
temper
ature
setting.
Please
note:
On
switching
on
the
equipment,
par
ticular
ly
when
the
room
light
is
dimmed,
a
slight
brightness
fluctuation
ma
y
occur
.This
is
of
no
consequence
.
The
conditions
of
the
local
Po
wer
Supply
Companies
are
to
be
obser
ved.