Hitachi RAC-50FPA, Service Manual

Page: 17 / 101

– 21 –
– 20 –
CLEAN (ONE TOUCH CLEAN) OPERA
TION
Drying indoor heat exchanger after cooling operation to prevent mildew
.
Ƶ
T
o
start CLEAN operation
Ƶ
T
o
cancel CLEAN operation
ƽ
Press
(CLEAN) button when unit is OFF.
T
otal time taken for One
T
ouch Clean operation is 60 minutes.
During this operation, HEA
TING or F
AN operation shall
operate. During one touch clean, operation lamp is blinking. “
”, “
” is displayed on the LCD.
ƽ
Press
(ST
A
R
T/ST
OP) button.O
r
ƽ
Press
(CLEAN) button again.
1
NOTE
ƽ
When CLEAN operation
finish,
unit will
switch OFF automatically
.
ƽ ƽ
For multi connections, when pressing
(CLEAN) button, operation is limited to F
AN operation.
ƽ
For multi connections,
when one room operates
CLEAN operation
first,
other rooms can operate
COOLING, DEHUMIDIFYING or F
AN operation. However
, when other rooms need to operate HEA
TING
operation, air conditioner will be in ST
ANDBY
mode.
After CLEAN operation
finish,
HEA
TING operation
will start.
If Weekly Timer or Once Timer is set, there is a need
to cancel those timer before operating CLEAN function.
ONCE TIMER (ON/OFF TIMER) OPERA
TION
The device can be set to turn of
f at a preset time.
1.
Press
(OFF-TIMER) button.
and
blink on the display
.
2.
Set the "turn-of
f time" with
(TIME) button.
3.
After setting, direct the remote controller towards the indoor and press
(SEND) button.
and "set time" lights up instead of blinking.
A
beep sound emitted from indoor unit and the (TIMER) lamp on the
indoor unit lights up.
Ƶ
The timer may be used in three ways: OFF-timer
, ON
timer and ON/OFF (OFF/ON)-
timer
. Set the current time
f
irst because it serves as a reference.
Ƶ
T
o cancel Reservation
ƽ
Point the signal window of the remote controller towards the indoor unit and press
(CANCEL) button.
and "ON or OFF set time" goes out with a beep and the (TIMER) lamp on the indoor unit turns of
f.
NOTE
ƽ
User can set only one of the OFF-timer
, ON-timer or ON/OFF-timer
.
ƽ
If WEEKL
Y
TIMER already set, by setting the ONCE
TIMER, ONCE
TIMER operation
ONCE
TIMER operation is complete, WEEKL
Y
TIMER operation will be activated.
OFF TIMER
1
is prioriti
z e
d
.
When
-
17
ON TIMER When (ON-TIMER) is set, the operation starts so that the preset temperature is
at the preset time.
The air conditioner starts operation a maximum 60 minutes before the preset ti
e,
depending on conditions including room temperature and preset temperature. 1.
Press
(ON-TIMER) button.
and
blink on the display
.
2.
Set the "turn-on time" with
(TIME) button.
3.
After setting, direct the remote controller towards the indoor and press (SEND) button.
and "set time" light up instead of blinking.
A
beep sound emitted from indoor unit and the (TIMER) lamp on the indoor
unit lights up.
ON/OFF TIMER
ƽ
T
h
e
d
e
v
ic
e
w
ill
t
u
rn
o
ff
a
n
d
o
n
a
t
th
e
d
e
s
ig
n
a
te
d
t
im
e
.
ƽ
The switching occurs
first at the preset time that comes earlier
.
ƽ
The arrow mark appears on the display to indicate the sequence of switching operations.
1.
Press
(OFF-TIMER) button so that
and
blink on the
display
.
2.
Set the "turn-of
f" time with
(TIME) button.
After setting, direct the remote
controller towards the indoor and press
(SEND) button.
3.
Press
(ON-TIMER) button so that
and set "turn-of
f" time light up.
The
and
blink.
4.
Set the "turn-on" time with
(TIME) button.
5.
After setting, direct the remote controller towards the indoor and press
(SEND) button
and set "turn-on" time light up instead of blinking.
A
beep sound emitted from indoor unit and the (TIMER) lamp on the indoor
unit lights up.
m
reached