Hitachi RAK-15QEF, Руководство по обслуживанию

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INFORMA
TION
CAP
ABILITIE
S
Heat
in
g
Capab
il
ity
s
This
room
air
conditioner
utiliz
es
a
heat
pump
system
that
absorbs
e
xter
ior
heat
and
br
ings
it
into
a
room
to
be
heated.
A
s
the
ambient
temper
ature
gets
lo
w
er
,
heating
capability
will
also
lo
w
er
.
In
such
a
situation,
the
inverter
work
to
increase
compressor
rpm
to
keep
the
unit!
s
heating
capability
from
decreasing.
If
the
unit
!s
heating
perf
or-
mance
is
still
unsatisf
actor
y,
other
heating
appliances
should
be
used
to
augment
this
unit!
s
perf
or
mance
.
s
The
air
conditioner
is
designed
to
heat
an
entire
room
so
that
it
may
take
some
time
before
you
feel
warm.
Timer oper
ation is recommended f
or eff
ectiv
e preheating ahead of the desired time
.
Cool
in
g
and Dehum
id
ify
in
g
Capab
il
it
ie
s
s
If
the
heat
present
in
a
room
e
xceeds
the
unit!
s
cooling
capacity
(f
or
e
xample
,
if
there
are
man
y
people
in
the room or other heating appliances are used), the preset room temper
ature ma
y not be reached.
CA
UTION
PROHIBITION
Do not use a stove or any other high temperature devices in proximity to the indoor unit.
For the refrigerant charge information, please refer to the outdoor unit installation manual or specification label.
REFRIGERANT INFORMATION
-8-
REGULAR
INSPECTION
PLE
A
SE
CHECK
THE
FOLLO
WING
POINTS
EVER
Y
EITHER
H
A
LF
YE
A
RL
Y
OR
YE
A
RL
Y
. CONT
A
CT
Y
OUR S
A
LES
A
GENT SHOULD
Y
OU NEED
A
NY HELP
.
1 2
W
A
R
N
IN
G
W
A
R
N
IN
G
Chec
k
to
see
if
the
unit’
s
ear
th
line
has
been
con-
nected
correctl
y
.
If
the
ear
th
line
is
disconnected
or
faulty
,
unit
failure
or
electr
ic
shoc
k
hazard
ma
y
result.
Chec
k
to
see
if
the
mounting
frame
has
rusted
e
x-
cessivel
y
or
if
the
outdoor
unit
has
tilted
or
become
unstab
le
.
It could collapse or f
all, causing in
jur
y.
AFTER SALES SERVICE AND W
ARRANTY
WHEN ASKING FOR SER
V
ICE,
CHECK
THE FOLLO
WING POINTS.
CONDITION
CHECK
THE FOLLO
WING POINTS
s
Do
the
batter
ies
need
replacement?
s
Is
the
polar
ity
of
the
inser
ted
batter
ies
correct?
s
Is
the
fuse
all
right?
s
Is
the
v
oltage
e
xtremely
high
or
lo
w?
s
Is
the
circuit breaker
!ON"?
s
Is the power plug inserted?
s
Do y
ou ha
v
e an
y po
w
er cut?
s
Is
the
air
filter
b
loc
k
ed
with
dust?
s
Is
the
set
temper
ature
suitab
le?
s
Have
horizontal
air
deflectors
been
ad
justed
to
their
correct
positions
according
to
the
operation
mode
selected?
s
A
re
t
h
e
a
ir
i
n
le
ts
o
r
a
ir
o
u
tl
e
ts
o
f
in
d
o
o
r
a
n
d
o
u
td
o
o
r
u
n
it
s
b
loc
k
ed?
s
Is the f
an speed
!LO
W
"or
!SILENT"?
When
it
does
not
oper
ate
.
When it does not cool w
ell.
When it does not heat well. If
the
remote
controller
is
not
tr
ansmitting
a
signal.
(Remote controller displa
y is
dim
or
b
lank.)
The f
ollo
wing phenomena
do
not indicate
unit
failure
.
<
O
p
e
ra
tio
n
s
ta
rt
>
T
h
e
u
n
it
is
p
re
p
a
ri
n
g
t
o
b
lo
w
w
a
rm
a
ir.
P
le
a
se
w
a
it.
<
In
o
p
e
ra
tio
n
>
T
h
e
o
u
td
o
o
r
u
n
it
is
d
e
fr
o
st
in
g
.
P
le
a
se
w
a
it.
R
e
fr
ig
e
ra
n
t
flo
w
n
o
is
e
i
n
t
h
e
p
ip
e
o
r
va
lv
e
s
o
u
n
d
g
e
n
e
ra
te
d
w
h
e
n
f
lo
w
r
a
te
i
s
a
d
ju
st
e
d
.
N
o
is
e
g
e
n
e
ra
te
d
w
h
e
n
t
h
e
u
n
it
e
xp
a
n
d
s
o
r
co
n
tr
a
ct
s
d
u
e
t
o
t
e
m
p
e
ra
tu
re
c
h
a
n
g
e
s.
N
o
is
e
g
e
n
e
ra
te
d
w
ith
t
h
e
i
n
d
o
o
r
u
n
it
fa
n
#s
r
p
m
c
h
a
n
g
in
g
s
u
ch
a
s
o
p
e
ra
tio
n
s
ta
rt
tim
e
s.
N
o
is
e
o
f
th
e
m
o
to
ri
ze
d
v
a
lv
e
w
h
e
n
t
h
e
u
n
it
is
s
w
itc
h
e
d
o
n
.
Dur
ing
heating,
the
oper
ation
indicator b
links and air b
lo
w stops
Hissing
or
fizzy
sounds
Squeaking noise Rustling
noise
Clicking
noise
-9-
FROST WASH OPERATION
(FROST WASH)
indicator blinks Noise occurred during frost wash operation Frost wash operation does not start
It
d
o
e
s n
o
t
w
a
sh
w
h
e
n
o
u
tsid
e
te
m
p
e
ra
tu
re
is le
ss t
h
a
n
a
b
o
u
t
1
d
e
g
re
e
s Ce
lsi
u
s o
r
It
d
o
e
s n
o
t
w
a
sh
w
h
e
n
t
h
e
h
u
m
idity
in
t
h
e
r
o
o
m
is a
b
o
u
t
3
0
%
o
r le
ss o
r a
b
o
u
t
7
0
%
o
r
m
o
re
t
h
a
n
4
3
d
e
g
re
e
s Ce
lsi
u
s.
m
o
re
.
W
h
e
n
"
F
ROS
T
W
A
S
H"
is d
o
n
e
b
y o
p
e
ra
tin
g
a
r
e
m
o
te
co
n
tr
o
lle
r,
it
d
o
e
s n
o
t
w
a
sh
W
ith
in
6
0
m
inu
te
s a
ft
e
r t
h
e
e
n
d
o
f
"F
ROS
T
W
A
S
H"
,
"F
ROS
T
W
A
S
H"
is n
o
t
o
p
e
ra
te
d
fo
r p
ro
d
u
ct
p
ro
te
ctio
n
.
It
is th
e
so
u
n
d
t
h
a
t
th
e
in
te
rn
a
l m
a
ch
ine
is in
fla
te
d
a
n
d
co
n
tr
a
cte
d
b
y t
h
e
t
e
m
p
e
ra
tu
re
ch
a
n
g
e
a
n
d
t
h
e
f
in
o
f
th
e
h
e
a
t
e
x
ch
a
n
g
e
r is f
ro
z
e
n
a
n
d
t
h
a
w
e
d
Rep
e
a
t
fo
r 1
se
co
n
d
ǂ
o
n
a
n
d
1
se
co
n
d
o
ff
fo
r 1
0
se
co
n
d
s
B
e
ca
u
se
"
F
ROS
T
W
A
S
H"
ca
n
n
o
t
w
o
rk
w
h
e
n
o
p
e
ra
tin
g
t
h
e
"F
ROS
T
W
A
S
H"
w
ith
T
h
e
a
ir
co
n
d
ition
e
r is o
p
e
ra
tin
g
Ou
tsid
e
a
ir
t
e
m
p
e
ra
tu
re
,
ro
o
m
t
e
m
p
e
ra
tu
re
a
n
d
r
o
o
m
h
u
m
idity
a
re
n
o
t
It
h
a
s
n
o
t b
e
e
n
o
ve
r 6
0
m
inu
te
s sin
ce
t
h
e
e
n
d
o
f
"
F
ROS
T
W
A
S
H"
re
m
o
te
co
n
tr
o
lle
r.
su
ita
b
le
fo
r "
F
ROS
T
W
A
S
H"
Rep
e
a
t
fo
r 4
se
co
n
d
s o
n
a
n
d
1
se
co
n
d
o
ff
fo
r 1
5
se
co
n
d
s
B
e
ca
u
se
it
is n
o
t
"F
ROS
T
W
A
S
H"
f
o
r a
lo
n
g
t
im
e
.
Op
e
ra
te
t
h
e
r
e
m
o
te
co
n
tr
o
lle
r t
o
o
p
e
ra
te
"F
ROS
T
W
A
S
H"
.
· · ·
w
h
e
n
t
h
e
r
o
o
m
t
e
m
p
e
ra
tu
re
is le
ss t
h
a
n
a
b
o
u
t
1
0
d
e
g
re
e
s Ce
lsi
u
s o
r m
o
re
t
h
a
n
a
b
o
u
t
3
2
d
e
g
re
e
s Ce
lsi
u
s.
17