Hitachi RAC-18WPB, Service Manual

Page: 33 / 148

– 19 –
ECO SLEEP TIMER OPERA
TION
■
T
o set ECO SLEEP
TIMER and ON
TIMER
■
T
o cancel ECO SLEEP
TIMER and ON
TIMER operation
The air conditioner will be turned off by ECO SLEEP TIMER and turned on by ON TIMER. 1.
Set the ON TIMER.
2.
Press
(SLEEP) button and set ECO SLEEP TIMER.
Direct the remote controller towards the indoor unit and press
(CANCEL) button.
●
“
”, “
”, “
”, “OFF”, off time, “
”, number of hour, "ON" and ON TIMER set time disappear
from the remote controller display.
●
A beep sound emitted from indoor unit and the (TIMER) lamp on the indoor unit turns off.
●
ECO SLEEP TIMER and ON TIMER reservations are cancelled.
30 minutes after setting ECO SLEEP TIMER, outdoor fan speed will be reduced to lower the noise level and to have comfort operation. 1 hour after setting ECO SLEEP TIMER, set temperature will be slightly shifted. Amount of temperature shifted depends on type of air conditioner. These automatic operation changes contribute to energy saving without losing comfort. The level of energy consumption depends on outside temperature, room temperature, set temperature or air conditioner type. Cooling operation [diagram representation for illustrative purpose only]
Example: In this case, air conditioner will turn off in 2 hours (at 1:38) and it will be turned on at 6:00 the next morning.
NO
TE
●
If ECO SLEEP TIMER is set when OFF TIMER or ON/OFF TIMER has been set earlier, the ECO SLEEP TIMER becomes effective instead of the OFF TIMER or ON/OFF TIMER.
Heating operation [diagram representation for illustrative purpose only]
Temperature
30 minutes
Outdoor fan
speed reduce
Shift
temperature
1 hour
Temperature
30 minutes
Outdoor fan
speed reduce
Shift
temperature
1 hour
ENGLISH
– 20 –
●
It is possible to select Mode A or Mode B. For each mode, up to 6 programs can be set per day. In total, a maximum of 42 programs can be set for a week for each mode.
●
If calendar and clock are not set, the reservation setting for WEEKLY TIMER cannot be set.
●
If calendar and clock are not set correctly, WEEKLY TIMER will not operate correctly.
●
Reservation for calendar and clock shall be set
rst before operating WEEKLY TIMER.
WEEKL
Y TIMER OPERA
TION
■
How to set a WEEKLY TIMER.
1.
Select Mode A or Mode B
Press
(WEEKLY) button.
lights up.
and
blink on the
display. (Mode A is selected). Press
(WEEKLY) button again,
and
blink on the display.
(Mode B is selected). ●
If no reservation has been made, ON/OFF,
,
appear.
●
If reservation has been made, ON/OFF,
,
will not
appear.
2.
Set a program
Press
(WEEKLY) button for about 3 seconds. The selection mode
can be changed.
, day: Mon, program no. : 1, ON/OFF, setting time and setting
temperature blink on the display.
3.
Select the desired day of the week
Press
(DAY) button.
The day changes from Mon
Tue
Wed
Thu
Fri
Sat
Sun
Mon, Tue, Wed, Thu, Fri, Sat, Sun [Full days]
Mon, Tue, Wed, Thu,
Fri [weekday]
Sat, Sun [weekend]
Mon
Tue ......
Select [Full days] for daily reservation. Select [weekday] for Monday to Friday reservation. Select [weekend] for Saturday and Sunday reservation. ●
After reservation has been set, it is easy to check and edit at the same time.
4.
Press
button to select a program number.
The number changes from 1
2
3
4
5
6
1
2 .....
●
If program number has been set, follow above in order to make changes.
1 2
Step
1
:
Set the reser
v
ation sc
hedule to the remote contr
oller
. Send the registered reser
v
ation to indoor
unit and then operate
.
Step 2
:
Select Mode A or Mode B and activ
ate or deactiv
ate
WEEKL
Y
TIMER .
Step 3
:
Cop
y and cancel the reser
v
ation sc
hedule
.
Step
1
:
Set reser
v
ation sc
hedule to the remote contr
oller
. Send the registered reser
v
ation
to indoor unit and then operate
.
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