![Hitachi Summit RAC-18YH5 Service Manual Download Page 11](http://html.mh-extra.com/html/hitachi/summit-rac-18yh5/summit-rac-18yh5_service-manual_2139436011.webp)
Ð1
0
Ð
Press
the
(ST
AR
T/ST
OP)
button.
Cooling
oper
ation
star
ts
with
a
beep
.Press
the
button
again
to
stop
oper
ation.
The
cooling
function
does
not
start
if
the
temperature
setting
is
higher
than
the
current
room
temper
ature
(e
ve
n
though
the
(OPERA
TION)
lamp
lights).
The
cooling
function
will
star
ta
s
soon
as
yo
u
set
the
temper
ature
belo
w
the
current
room
temper
ature
.
Use
the
de
vice
fo
rcooling
when
the
outdoor
temper
ature
is
-10
to
42
¡C
.
If
humidity
is
ve
ry
high
(o
ve
r80%)
indoors
,some
de
w
ma
y
for
m
on
the
air
outlet
grille
of
the
indoor
unit.
Press
the
FUNCTION
selector
so
that
the
display
indicates
(COOL).
Set
the
desired
FA
N
SPEED
with
the
(F
AN
SPEED)
button
(the
displa
y
indicates
the
setting).
(A
UT
O)
:
The
FA
N
SPEED
is
HI
at
first
andv
ar
ies
to
MED
automatically
when
the
preset
temper
ature
has
been
reached.
(HI)
:
Economical
as
the
room
will
become
cool
quic
kly
.
(MED)
:
Quiet.
(LO
W)
:
More
quiet.
Set
the
desired
room
temper
ature
with
the
TEMPERA
TURE
buttons
(the
displa
y
indicates
the
setting).
The
temper
ature
setting
andthe
actual
room
temperature
ma
y
va
ry
some
what
depending
on
conditions
.
As
the
settings
are
storedin
memor
y
in
the
remote
controller
,y
ou
only
ha
ve
to
press
the
(ST
AR
T/ST
OP)
button
ne
xt
time
.
Ð1
1
Ð
Press
the
(ST
AR
T/ST
OP)
button.
Fa
n
oper
ation
star
ts
with
a
beep
.
Press
the
button
again
to
stop
oper
ation.
Yo
u
can
use
the
de
vice
simply
as
an
air
circulator
.Use
this
function
to
dr
y
the
inter
ior
of
the
indoor
unit
at
the
endof
summer
.
Press
the
FUNCTION
selector
so
that
the
display
indicates
(F
AN).
Press
the
(F
AN
SPEED)
button.
(HI)
:
The
strongest
air
bl
ow
.
(MED)
:
Quiet.
(LO
W)
:
More
quiet.
É
When
the
AU
TO
fa
n
speedmod
e
is
set
in
the
cooling/heating
oper
ation:
For
the
heating
operation
¥
The
fa
n
speedwill
automatically
change
accord
ing
to
the
temperature
of
discharged
air
.
¥A
s
room
temper
ature
reaches
the
preset
temper
ature
,a
ver
y
light
breez
e
will
bl
ow
.
¥
Oper
ation
star
ts
in
the
ÒHIÓ
mode
to
reach
the
preset
temperature
.
¥A
s
room
temper
ature
approaches
the
preset
temper
ature
,f
an
speedauto-
matically
switches
to
ÒLO
W
Ó.
For
the
cooling
operation
– 9 –
Summary of Contents for Summit RAC-18YH5
Page 6: ...SPECIFICATIONS 0 4 ...
Page 17: ... 01 2 34 5 6 2 7 6 7 8 3 9 15 ...
Page 18: ... φ 0 φ φ 0 1 1 1 2 33 16 ...
Page 20: ... 0 0 1 203 1 202 4 5 5 6 6 728 5 9 7 8 2 7 4 18 ...
Page 21: ... 19 ...
Page 24: ...RAC 18YH5 MODEL A X 8 T 1 1 SELF CHECK SELF MODE SERVICE SW RED RED RED 23 ...
Page 25: ... 25 0 0 0 1 1 1 1 2 0 1 3 44 5 1 1 6 7 4 887 8972 ...
Page 26: ... 27 ...
Page 27: ... 28 Mode data file RAS 18YH5 VALUE LABEL NAME ...
Page 28: ... 29 0 1 1 2 334 5 22 1 6 0 7 0 7 6 8 1 9 0 1 1 66 66 5 0 7 22 22 1 1 ...
Page 31: ... 35 0 1 ...
Page 32: ... 36 ...
Page 33: ... 0 1 2 3 4 1 2 0 1 2 3 4 1 2 5 6 6 5 6 6 7 4 4 37 ...
Page 34: ... 2 Receiver Circuit 3 Buzzer Circuit 01 23 4 5 5 6 6 6 78 9 4 9 5 4 9 8 2 38 ...
Page 36: ...5 Initial Setting Circuit IC401 6 Power Supply 0 1 2 2 3 4 2 5 6 4 7 8 6 9 8 6 40 ...
Page 37: ... 7 Fan Motor Drive Circuit 0 0 1 2 3 3 0 45 67 8 7 45 3 0 9 0 2 2 1 52 152 2 2 41 ...
Page 38: ... 0 1 2 3 4 1 2 3 3 3 0 3 5 6 1 7 7 5 8 0 42 ...
Page 40: ... 0 1 0 2 3 3 2 3 3 2 3 3 2 44 ...
Page 43: ... 1 8 0 9 1 8 0 9 47 ...
Page 45: ... 0 49 ...
Page 48: ... 0 12 3 4 0 12 5 5 4 6 7 3 8 9 3 9 9 9 4 4 4 52 ...
Page 49: ... 0 1 2 3 4 5 45 5 4 5 45 5 5 4 45 45 5 5 53 ...
Page 50: ...5 Power Circuit for P W B 54 ...
Page 54: ... 0 1 2 23 23 4 5 6 7 8 6 6 9 0 6 1 3 1 6 0 1 6 6 0 9 58 ...
Page 57: ... 0 0 0 1 8 Reversing valve control circuit 2 334 5 4 6 5 7 8 0 3 0 8 0 8 0 61 ...
Page 67: ... 71 0 0 1 2 31 0 4 5 0 6 1 6 6 0 1 5 0 1 6 0 0 6 0 ...
Page 68: ... 72 0 1 2 THE SUPPORT FUNCTION OF FAILURE DIAGNOSIS ...
Page 69: ... 73 0 1 2 3 4 5 6 3 3 7 8 6 9 3 8 6 9 3 6 8 698 6 6 60 9 6 8 ...
Page 70: ... 74 ...
Page 77: ... 81 ...
Page 80: ... 84 0 1 0 1 2 0 3 4 1 3 0 3 1 5 5 5 5 5 5 5 5 ...
Page 82: ... 86 0 1 0 2 3 2 3 4 4 4 4 4 ...
Page 83: ... 87 ...
Page 84: ... 88 0 10 2 3 3 4 1 2 2 5 2 6 7 7 7 7 7 7 7 3 3 3 3 3 3 3 ...
Page 85: ... 89 0 12 3 3 3 ...
Page 86: ... 90 0 12 1 3 4 5 4 5 4 5 4 65 65 7 6 8 9 2 8 5 ...
Page 88: ... 92 IPM Intelligent Power Module DIAGNOSIS ...
Page 91: ... 95 4 Tangential air flow fan and fan motor 1 Electrical parts 0 1 211 3 0124 5 6 78 ...
Page 92: ... 96 ...
Page 93: ... 97 ...
Page 94: ... 98 ...
Page 95: ... 99 ...
Page 96: ...Printed in Japan TSK AW NO 0010E RAS 18YH5 RAC 18YH5 F ...