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3.7. Timer setting
•
If the timer is set, the unit starts (stops) at the set time, and the time mode is
terminated.
•
When you wish to confirm the starting and ending time, press the 2 [Timer/
continuous] button while C "
Function of timer
On-timer
Set the on-timer for the time the working day begins in your company.
When the set start time arrives, the air conditioner starts operation.
Off-timer
Use the off-timer as a reminder to turn off the air conditioner. When the set end-
work time arrives, the air conditioner stops operation.
There are three methods for using the timer.
1. ON/OFF Timer
When setting both starting and ending time
2. On-timer
When only setting the starting time
(Ending time is set to " - - : - - ")
3. Off-timer
When only setting the ending time
(Starting time is set to " - - : - - ")
Display example of timer setting
The example shows a timer set for operation start at 8:00 and end at 17:00.
1. Press the 4 4 4 4 4 [Time selection] button and bring up the A A A A A "Timer start
time" display
2. Press the 4 4 4 4 4
(
) button of the 4 4 4 4 4 [Time selection] and set the
starting time
When using it as an off-timer, set the starting time to " - - : - - ".
The " - - : - - " is displayed next to 23:50.
3. Press the 4 4 4 4 4 [Time selection] button and bring up the A A A A A "Timer end time"
display
4. The smart way to use
Even minimal steps to care for your air conditioner can help make its use far
more effective in terms of air-conditioning effect, electricity charges, etc.
Set the right room temperature
In cooling operation, a temperature difference of about 5 °C [9 °F] between
•
indoors and outdoors is optimum.
If the room temperature is raised by 1 °C [2 °F] during air-cooling operation,
•
about 10 % electric power can be saved.
•
Excessive cooling is bad for health. It also results in the waste of electric power.
Clean the filter thoroughly
•
If the screen of the air filter becomes clogged, the airflow and air-conditioning
effect can be significantly reduced.
Further, if the condition is left unattended, failure can result. It is particularly
important to clean the filter at the beginning of the cooling and heating sea-
sons. (When profuse dust and dirt have accumulated, clean the filter thoroughly.)
5. Caring for the machine
Always have filter maintenance performed by a service person.
Before care-taking, turn the power supply OFF.
Refer to 1 1 1 1 1 and 2 2 2 2 2 in Fig. A on page 3 for the way to remove the filter.
Caution:
•
Before you start cleaning, stop operation and turn OFF the power supply.
Remember that the fan is rotating inside at high speed, posing a serious
risk of injury.
•
Indoor units are equipped with filters to remove the dust of sucked-in air.
Clean the filters using the methods shown in the following sketches. (The
standard filter should normally be cleaned once a week)
•
The life of the filter depends on where the unit is installed and how it is
operated.
" is displayed.
4. Press the 4 4 4 4 4
(
) button of the [Time switch] and set the ending
time
When using it as an on-timer, set the ending time to " - - : - - ".
The " - - : - - " is displayed next to 23:50.
5. Press the 2 2 2 2 2 [Timer/continuous] button and bring up the C C C C C "
play
Bringing up the C "
" display completes the setting.
Every time the 4
(
) button of the 4 [timer selection] is pressed once,
it advances (or retrogresses) by 10 minutes.
If the button is pressed continuously, it advances (or retrogresses) continuously.
First set the hour digit and then set the minute digit.
When the ON/OFF timer mode is set, you can run (on-timer) or stop (off-timer)
operation by pressing the B [ON/OFF] button even when there is remaining time.
Release
Press the 2 2 2 2 2 [timer/continuous] button and disappear the "
3.8. Others
CENTRALLY CONTROLLED
: Displayed when control is executed by a separately
sold centralized control unit, etc.
STAND BY
: Displayed from the start of heating operation until the
DEFROST
moment warm air blows out.
: This displays indication when some abnormality oc-
CHECK
curs in the unit.
NOT AVAILABLE
: When a button is pressed for any function which the
indoor unit cannot perform, this display flashes con-
currently with the display of that function.
: In the system in which the [Sensor] display is indi-
cated as the "remote controller", room temperature
measurement is performed by the room temperature
sensor built into the remote controller. Therefore, pay
attention to the following:
FILTER
: Displayed when it is time to clean the filter.
Press the A [Filter] button twice, then the display is
disappeared.
Prevent intrusion of heat during air-cooling
•
To prevent the intrusion of heat during cooling operation, provide a curtain or a
blind on the window to block out direct sunlight. Also, do not open the entrance
or exit except in cases of dire necessity.
Carry out ventilation sometimes
•
Since the air periodically gets dirty in a room that is kept closed for a long time,
ventilation is sometimes necessary. When gas appliances are used together
with the air conditioner, special precautions must be taken. If the "LOSSNAY"
ventilation unit developed by our company is used, you can perform ventilation
with less waste. For details on this unit, consult with your dealer.
How to clean
•
Clear dust away lightly or clean it up with a vacuum cleaner. In the case of
severe staining, wash the filter in lukewarm water mixed with dissolved neutral
detergent or water, and then rinse off the detergent completely. After washing,
dry it and fix it back into place.
Caution:
•
Do not dry the filter by exposing it to direct sunlight or warming it using
fire, etc. Doing so can result in the deformation of the filter.
•
Washing it in hot water (more than 50
mation.
Caution:
Never pour water or flammable sprays onto the air conditioner. Cleaning using
these methods can result in the failure of the air conditioner, electric shock,
or fire.
" dis-
" display.
°
°
C [122
F]) can also result in defor-
7
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