Hitachi RAC-25WSE, Руководство по обслуживанию

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COOLING
OPERA
TION
If indoors humidity is v
er
y high (80%), some de
w ma
y f
or
m on the air outlet g
rille of the indoor unit.
Press
the
MODE
selector
b
utton
so
that
the
displa
y
indicates
(COOL).
■
As the settings are stored in the memor
y of the remote controller
, y
ou
only ha
ve to press the
(ST
AR
T/ST
OP) b
utton ne
xt time
.
■
Dur
ing A
UT
O f
an, the f
an speed automatically changes as belo
w:
●
When the diff
erence betw
een room temper
ature and setting tem-
per
ature is large
, f
an star
ts to r
un at HI speed.
●
After room temper
ature reaches the preset temper
ature
, f
an speed
will be changed to lo
w
er speed to obtain optim
um room temper
ature
condition f
or natur
al health
y cooling.
ST
AR
T
ST
OP
1 2
3
Set
the
desired
F
AN
SPEED
with
the
(F
AN
SPEED)
b
utton
(the
displa
y
indicates
the
setting).
(A
UT
O)
(HIGH)
(MED)
(SILENT)
(LO
W)
Set
the
desired
room
temper
ature
with
the
TEMPERA
TURE
b
uttons
(the displa
y indicates the setting).
The
temper
ature
setting
and
the
actual
room
temper
ature
ma
y
var
y
depending on conditions
.
Press
the
(ST
AR
T/ST
OP)
b
utton.
Cooling
oper
ation
star
ts
with
a
beep
.
Press
the
b
utton
again
to
stop
oper
ation.
The
cooling
function
does
not
star
t
if
the
temper
ature
setting
is
higher
than
the
current
room
temper
ature
(e
ven
though
the
(
C
O
O
L
)
lamp
lights).
The
cooling
function
will
star
t
as
soon
as
user
set
the
temper
ature
belo
w the current room temper
ature
.
EN GL IS H
- 9 -
Use the device for cooling when the outdoor temperature is -10
43°C.
●
The dust and dirt adhering to indoor heat exchanger which is the cause of the smell. They are washed away
by freezing and thawing of the heat exchanger.
● ●
There are two kinds of Frost Wash operation, auto mode and manual mode.
■
Frost Wash (Auto mode)
※
It depends on the conditions of the room.
The process of Frost Wash
About 8 min
About 20 min to 90 min.
Operation such as cooling operation
Freezing and thawing heat exchanger
Auto Stop
Running
Stop
The deflector remain open during fan operation, freezing, thawing.
●
If you want to stop Frost Wash operation, press the (START/STOP) button twice.
●
lamp on the indoor unit lights up during Frost Wash operation.
●
When pressing the button such as cooling during Frost Wash operation, Frost Wash operation is discontinued
and start the cooling operation after about 3 minutes.
●
When Frost Wash is stopped during Frost Wash operation, the unit automatically restart Frost Wash operation
●
In order to protect the product, Frost Wash function cannot be carried out again for about 60 minutes after
Frost Wash operation is completed.
●
When the outdoor temperature or indoor humidity are not suitable for Frost Wash operation, only fan operation is carried out, Frost Wash operation will be done again at the next operation stop.
●
Sometimes the heat exchanger may not freeze depending on the conditions of the room.
●
When the ON timer reaches the set time during Frost Wash operation, it will stop the Frost Wash operation
●
If the interval of the Off to On timer is less than 2 hours, Frost Wash operation may not be completed. In that case, it will restart Frost Wash operation at the next operation stop. To be to normal Frost Wash (Auto mode) interval (42 hours), please stop operation of air conditioner and operate Frost Wash (Auto mode) or Frost Wash (Manual mode).
Frost Wash auto start conditions
Accumulated operating hours of the air conditioner have exceeded 42 hours operation H or not in room for 15 minutes
uman sensor detects somebody is in room for 15 minutes
and over
times;
Frost Wash start
Frost Wash end
at the next operation stop. and start the operation of setting mode.
4
" "
Frost Wash function can work when the outdoor temperature is 1
ȭZU
43
ȭ
and Indoor humidity is 30% to 70%.
Fan operation
Air conditioner is operated for more than 30 minutes and stops, such as cooling
FROST WASH OPERATION
Frost Wash start
Frost Wash end
About 20 min to 90 min.
About 8 min
not in room
About 30 minutes or more
Operation such as
cooling operation
Operation such as cooling operation
Last Frost Wash
Running
Stop
Running
Stop
Auto Stop
15 min
detect human in room or not in room
Frost Wash
About 20 min to 90 min.
Auto Stop
Frost Wash
in room
in room
detect human in room or not in room Fan operation
15 min
in room
detect human in room or not in room Fan operation
15 min
in room
detect human in room or not in room Fan operation
Fan operation
15 min
Fan operation
Accumulated operating hours of the air conditioner
have exceeded 42 hours
Frost Wash end
- 10 -
13