Hitachi RAD-25NH5, Service Manual, Page: 61 / 371

Ð 0202 Ð
Ð4Ð FULL
DUCT
Discharge
gr
ille
Air
deflector
Indicator
Suction
gr
ille
Filter
Remote
controller
Remote
controller
Remote
controller
Air
deflector
Discharge
gr
ille
Indicator
Suction
gr
ille
Filter
Indicator
Suction
gr
ille
Filter
Air
deflector
SEMI
DUCT
NON
DUCT
Discharge
gr
ille
With
this
m
ulti-air
conditioner
,s
ev
er
al
indoor
units
can
be
connected
to
one
outdoor
unit
to
be
dr
iv
en.
Yo
u
can
oper
ate
the
required
number
of
indoor
units
.
¥Y
ou
cannot
oper
ate
the
indoor
units
in
the
follo
wing
combinations
.
One
unit
Other
unit
Cooling
Heating
Dehumidifying
Circulating
(fan)
¥
The
indoor
unit
which
is
switched
on
first
continues
to
oper
ate
,b
ut
other
indoor
units
which
is
switched
on
later
does
not
oper
ate
while
the
lamp
lights
.
¥T
o
restar
ta
n
indoor
unit
which
w
as
oper
ated
later
,stop
the
indoor
unit
which
w
as
oper
ated
first
or
later
and
reset
the
type
of
oper
ation,
then
perf
or
m
operation
again.
!"
#
!
!
Decrease
the
number
of
indoor
units
to
be
operated
especially
when
it
is
ve
ry
hot
or
ve
ry
cold
or
when
yo
u
w
ant
to
reach
the
preset
temperature
quic
kly
.
!
When
an
indoor
unit
is
oper
ated
in
the
cooling,
heating
or
dehumidifying
mode
in
one
room,
the
sound
of
refr
igerant
flo
w
m
ay
be
heard
from
a
stopped
indoor
unit
or
a
stopped
indoor
unit
ma
y
become
w
ar
m
.This
is
because
the
indoor
unit
retur
ns
refr
iger
ant
to
the
outdoor
unit
to
be
ready
fo
roper
ation.
When
oper
ation
mode
is
selected:
Dur
ing
automatic
oper
ation:
¥
When
heating
oper
ation
is
automatically
selected
fo
rthe
first
indoor
unit,
the
ne
xt
indoor
unit
will
then
star
tt
o
heat.
Also
,i
fcooling
or
dehumidifying
is
automatically
selected
fo
rthe
first
indoor
unit,
the
ne
xt
indoor
unit
will
also
star
tt
o
cool
or
dehumidify
.
Ð5Ð
$
% $& '(()
*+,-
./)
)
012
MODEL
WIDTH
HEIGHT
DEPTH
RAD-25NH5 RAD-35NH5
750mm
(29-17/32")
235mm
(9-1/4")
400mm
(15-3/4")
(INDOOR
UNIT)
TEMPORAR
Y
SWITCH
Use
this
switch
to
star
t
and
stop
when
the
remote
controller
does
not
w
or
k.
Nor
mally
do
not
use
this
button.
TIMER
lamp
This
lamp
lights
when
the
timer
is
w
or
king.
OPERA
TION
lamp
This
lamp
lights
dur
ing
oper
ation.
Dur
ing
heating,
the
oper
ation
indicator
ma
y
blink,
bl
owing
ve
ry
lightly
or
totally
stopping
under
the
follo
wing
conditions:
(1)
!"
#"
3#"
4
Fo
rabout
2~3
min
utes
after
star
tu
p.
(2)
!"
"
3#"
4
Defrosting
will
be
perf
or
med
about
once
an
hour
when
frost
fo
rm
so
n
the
heat
exchanger
of
the
outdoor
unit,
fo
r
5~10
min
utes
each
time
.(If
the
piping
length
used
is
longer
than
usual,
frost
will
lik
ely
to
fo
rm.)
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