Hitachi Summit RAC-18YH6, Service Manual, Page: 8 / 96

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RAS_AW_001-014en 2008.1.29, 9:39 6
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4
–
NAMES AND FUNCTIONS OF EACH P
AR
T
INDOOR UNIT
Air filter T
o pre
v
ent dust from coming into the indoor unit.
(Ref
er page 16)
Fr
ont panel
Indoor unit indicator
s
Light indicator sho
wing the oper
ating condition.
(Ref
er page 5)
Horizontal deflector
V
er
tical deflector
(Air Outlet) (Refer page 15) Remote contr
oller
Send out operation signal to the indoor unit. So as to operate the whole unit. (Refer page 6)
MODEL NAME AND DIMENSIONS
About the outdoor unit: •
When
“Stop
” is selected during operation
of the indoor unit, the fan of the outdoor unit continues turning for 10 to 60 seconds to cool the electric parts down.
•
In heating operation, condensate or w
ater due to defrosting will flo
w
.
Do not cover the drain port of the outdoor unit because such water may freeze in the chilly area.
•
When the outdoor unit is hung on the ceiling, install the bush and drain pipe on the dr
ain por
t and dr
ain w
ater
.
MODEL
WIDTH (mm)
HEIGHT
(mm)
DEPTH (mm)
RAS-18FH6, RAS-25FH6, RAS-35FH6
780
280
220
RAC-18YH6, RAC-25YH6
700
505
258
RAC-35YH6
750
548
288
Air outlet When
“heating
” operation is
performed, cool air blows and when
“cooling
” or
“dehumidifying
”
operation is performed, warm air blows.
Drain hose Drains the dehumidified water from the indoor unit to the outdoor during
“cooling
” or
“dehumidifying
” operation.
Piping and
Wiring
Air inlets (Rear and left sides)
Drain por
t
(Bottom)
Ear
th terminal
(Lo
wer section of the side)
Air outlet When
“heating
” operation is
performed, cool air blows and when
“cooling
” or
“dehumidifying
”
operation is performed, warm air blows.
Drain hose Drains the dehumidified water from the indoor unit to the outdoor during
“cooling
” or
“dehumidifying
” operation.
Piping and
Wiring
Air inlets (Rear and left sides)
Drain por
t
(Bottom)
Ear
th terminal
(Lo
wer section of the side)
RAC-35YH6 RAC-18YH6 RAC-25YH6 OUTDOOR UNIT
–
5
–
NAMES AND FUNCTIONS OF EACH P
AR
T
INDOOR UNIT INDICA
TIONS
TIMER LAMP (Orange) This lamp lights when the timer is w
or
king.
FIL
TER LAMP (Green)
When the de
vice is oper
ated f
or a total of about 200
hours
, the FIL
TER lamp lights indicates that it is time
to clean the filter
.The lamp goes out when the
“
(A
UT
O SWING)
” b
u
tton is pressed while the
oper
ation is stopped.
OPERA
TION LAMP (Y
ello
w)
This lamp lights dur
ing oper
ation.
The OPERA
TION LAMP flashes in the f
ollo
wing
cases dur
ing heating.
(1)
During preheating F
or about 2-3 min
utes after star
ting up
.
(2)
During defr
osting
Defrosting will be perf
or
med about once an hour
when frost f
or
ms on the heat e
xchanger of the
outdoor unit, f
or 5-10 min
utes each time
.
TEMPORAR
Y SWITCH
●
Use this s
witch to star
t and stop when the remote controller does not w
or
k.
●
This tempor
ar
y oper
ation will be at the most recent setting made
. (The unit
will immediately go into automatic oper
ation once po
w
er is s
witched on.)
CA
UTION
T
ur
n off the circuit break
er or pull out
the po
w
er plug if the unit is not be
oper
ated f
or a long per
iod.
✩
If the po
w
er sta
ys on and the unit is not oper
ated, po
w
er is slightly consumed in the control circuit.
The po
w
er is sa
v
ed b
y tur
ning off the po
w
er s
witch (or the circuit break
er when the po
w
er is supplied
from the outdoor unit). Attac
hing the air c
leansing and deodorizing filter
s (Accessories) to the filter frame
.
•
Attach the air cleansing and deodor
izing filters to the fr
ame b
y
gently compress its both sides and release after inser
tion into
filter fr
ame
.
•
The cooling capacity is slightly w
eak
ened and the cooling speed
becomes slo
w
er when the air cleansing and deodor
izing filters
are used.
•
Air cleansing and deodor
izing filters are w
ashab
le and reusab
le up to 20 times b
y using v
acuum
cleaner or w
ater r
inse under r
unning tap w
ater
. When y
ou w
ant to rene
w it, please ask y
our sales
agent.
Optional air cleansing and deodor
izing filters(SPX-CFH11).
F
rame
PO
WER SWITCH